EP1634996A1 - A method for producing paper pulp molded products of non-paper pulp natural fibers - Google Patents
A method for producing paper pulp molded products of non-paper pulp natural fibers Download PDFInfo
- Publication number
- EP1634996A1 EP1634996A1 EP04021609A EP04021609A EP1634996A1 EP 1634996 A1 EP1634996 A1 EP 1634996A1 EP 04021609 A EP04021609 A EP 04021609A EP 04021609 A EP04021609 A EP 04021609A EP 1634996 A1 EP1634996 A1 EP 1634996A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- paper pulp
- natural fibers
- pulp
- parts
- molded products
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J3/00—Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/72—Coated paper characterised by the paper substrate
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/50—Spraying or projecting
Definitions
- the present invention relates to a method for producing non-paper pulp natural fibers of paper pulp molded products, especially relates to a method that recycle and reuse the traditional industrial waste with coarser natural fibers such as palms, hemp and coconut shells to reproduce to a moldable pulp by steps such as scouring and bleaching, so as to produce a paper molded product. Therefore, the problem that paper pulp is hard to be obtained may be solved, and the cost of the paper molded product may be decreased.
- a well known paper molded packing product material especially to a fibrous material used for a packing container with environmental protection effect or decomposable.
- conventional paper production technology can not deal with harder fibers, therefore, the nonpoisonous plants such as wood pulp, sugar cane bagasse, phragmites communis, straw pulp, grain shells, starch and recycled paper are the major raw material, however, the amount of the above mentioned paper pulp raw material is limited, especially that trees are the primary raw material for producing paper pulp, and are the max number of usage, which seriously persecute the ecological environment of the earth. Therefore, some proprietors and nations who care the environmental protection have tried hard to find the replace product.
- the primary object of the present invention is to provide a method for producing non-paper pulp natural fibers of paper pulp molded products, which recycle and reuse the traditional industrial waste which has never been used before, such as palms, hemp and coconut shells, to both solve the problem of waste in the processing products nations and areas that produce palms, hemp and coconut shells (trees), and decrease the logging of trees to protect the ecological environment of the earth.
- the another object of the present invention is to provide a method for producing non-paper pulp natural fibers of paper pulp molded products, which produces the paper molded products by recycling and reusing the traditional industrial waste that has never been used before, such as palms, hemp and coconut shells, to decrease the cost.
- the producing steps of the present invention comprising: a. scouring, soaking and stirring the non-paper pulp natural fibers with water in a tank, wherein the ratio of the natural fibers to water is 1:10, adding 0.01% ⁇ 5% parts NaOH, scouring agents, penetrating agents and bleaching stabilizers, relative to the natural fibers, and being well stirred; b. bleaching, 1% ⁇ 10% parts H2O2 relative to said natural fibers is added well stirring of step a for stirring to an appropriate degree, for bleaching and being heated to about 90°C with soaked time in 30 ⁇ 90 minutes; c.
- step b washing, obtaining said non-paper pulp natural fibers after finishing bleaching of step b, then be soaked into the cold water with 0.01% ⁇ 5% Sodium Hydrosulfite about 30 minutes; d. dehydrating, taking out said non-paper pulp natural fibers after washing and swing or air-drying it; e. pulverizing, putting said non-paper pulp natural fibers into the pulverizer after dehydrating; f. pulping, putting said non-paper pulp natural fibers into the mixing pulp tank with adding the water to become a well mixed natural fibers pulp after pulverizing, wherein the ratio of the natural fibers to water is 1:10; g.
- cross-linking agents containing nonionic compounds and cationic compounds with said non-paper pulp natural fibers in a storage tank to become a moldable pulp after pulping, wherein said cross-linking agent is made with 0.75% ⁇ 5.4% parts Fluorochemical serice, 0.9% ⁇ 7.2% parts High polymer compound, 0.15% ⁇ 0.54% parts Aliphatic polyamine and 0.75% ⁇ 9% parts Alkyl acryl copolymers, relative to the amount of said natural fibers; h.
- paper pulp molding spraying a releasing harmonizing agent membrane on the surface of a paper molding mold, applying appropriate moldable pulp and then being heated to about 120°C , 10 ⁇ 20 minutes for drying thermosetting, wherein said releasing harmonizing agent is mixed from 9.5% parts releasing agent, 0.5% cross-linking agent and 90% dilute water; i. releasing, releasing products from mold by air-blowing to obtain paper pulp molded products.
- step f wherein after pulverizing said non-paper pulp natural fibers, further adds a part of paper pulp, recycled paper, or thermal resistance additives containing anionic compounds with equal amount of non-paper pulp natural fibers, and then, being stirred with water to form a uniform natural fibers pulp; said thermal resistance additives containing 50% ⁇ 80% parts Inorganic Aluminum Silicate and 1.5% ⁇ 9% parts Natural wax emulsion, relative to said natural fibers.
- a chemical polymer such as PP, OPP, OPS, PE, PET, or environmental protection waterproof, watergrease water based paint
- a chemical polymer such as PP, OPP, OPS, PE, PET, or environmental protection waterproof, watergrease water based paint
- the paper molded products produced by above method use the traditional industrial such as palms, hemp and coconut shells (trees) as the major raw material, the cost may be decreased, the problem of industrial waste may be solved, and the logging amount of trees may be decreased to protect the ecological environment.
- traditional industrial such as palms, hemp and coconut shells (trees)
- the method for producing non-paper pulp natural fibers of paper pulp molded production of the present invention comprises the steps of:
- non-paper pulp natural fibers of paper pulp molded production of the present invention which recycle and reuse the traditional industrial waste such as palms, hemp and coconut shells, after a series special steps such as scouring and bleaching, to both solve the problem of waste in the processing products nations and areas that produce palms, hemp and coconut shells (trees), and decrease the logging amount of trees to protect the ecological environment; furthermore, the cost may be decreased efficiently and the competition ability may be increased by the method for producing non-paper pulp natural fibers of paper pulp molded production of the present invention.
- a part of paper pulp or recycled paper is mixed with said pulverized non-paper pulp natural fibers to meet the requirement of the different production place, so as to increase the using range and economical benefit; or thermal resistance additives containing anionic compounds is added, the amount is equal to non-paper pulp natural fibers, and 10 times amount of water is added together, then, being stirred to form a natural fibers pulp which can be used at 200 °C to meet the requirement of oven or microwave; said thermal resistance additives containing 50%-80% parts Inorganic Aluminum Silicate and 1.5% ⁇ 9% parts Natural wax emulsion, relative to said natural fibers.
- a chemical polymer such as PP, OPP, OPS, PE, PET, or environmental protection waterproof, watergrease water based paint
- a chemical polymer such as PP, OPP, OPS, PE, PET, or environmental protection waterproof, watergrease water based paint
Abstract
A method for producing non-paper pulp natural fibers into paper pulp molded products, which is primarily produced by the following steps in sequence: a. scouring, b. bleaching, c. washing, d. dehydrating, e. pulverize, f. pulping, g. moldable pulp, h. paper pulp molding, and i. releasing, so as to obtain the paper pulp molded finished products made with non-paper pulp natural fibers. Accordingly, the present invention may use the traditional industrial waste such as palms, hemp and coconut shells as the major material for paper molded products to both decrease the cost of paper molded products and maintain the ecological environment of the earth.
Description
- The present invention relates to a method for producing non-paper pulp natural fibers of paper pulp molded products, especially relates to a method that recycle and reuse the traditional industrial waste with coarser natural fibers such as palms, hemp and coconut shells to reproduce to a moldable pulp by steps such as scouring and bleaching, so as to produce a paper molded product. Therefore, the problem that paper pulp is hard to be obtained may be solved, and the cost of the paper molded product may be decreased.
- Generally, a well known paper molded packing product material, especially to a fibrous material used for a packing container with environmental protection effect or decomposable. As known that conventional paper production technology can not deal with harder fibers, therefore, the nonpoisonous plants such as wood pulp, sugar cane bagasse, phragmites communis, straw pulp, grain shells, starch and recycled paper are the major raw material, however, the amount of the above mentioned paper pulp raw material is limited, especially that trees are the primary raw material for producing paper pulp, and are the max number of usage, which seriously persecute the ecological environment of the earth. Therefore, some proprietors and nations who care the environmental protection have tried hard to find the replace product.
- Because of the reason that when using paper pulp as the raw material for producing paper molded product, the amount of the material is small, the obtaining cost is high and id more dangerous to the ecological environment, the inventor of the present invention concentrate himself with many years experience to create a new method for producing non-paper pulp natural fibers of paper pulp molded products.
- The primary object of the present invention is to provide a method for producing non-paper pulp natural fibers of paper pulp molded products, which recycle and reuse the traditional industrial waste which has never been used before, such as palms, hemp and coconut shells, to both solve the problem of waste in the processing products nations and areas that produce palms, hemp and coconut shells (trees), and decrease the logging of trees to protect the ecological environment of the earth.
- The another object of the present invention is to provide a method for producing non-paper pulp natural fibers of paper pulp molded products, which produces the paper molded products by recycling and reusing the traditional industrial waste that has never been used before, such as palms, hemp and coconut shells, to decrease the cost.
- To achieve the above object, the producing steps of the present invention comprising: a. scouring, soaking and stirring the non-paper pulp natural fibers with water in a tank, wherein the ratio of the natural fibers to water is 1:10, adding 0.01%~5% parts NaOH, scouring agents, penetrating agents and bleaching stabilizers, relative to the natural fibers, and being well stirred; b. bleaching, 1%~10% parts H2O2 relative to said natural fibers is added well stirring of step a for stirring to an appropriate degree, for bleaching and being heated to about 90°C with soaked time in 30~90 minutes; c. washing, obtaining said non-paper pulp natural fibers after finishing bleaching of step b, then be soaked into the cold water with 0.01%~5% Sodium Hydrosulfite about 30 minutes; d. dehydrating, taking out said non-paper pulp natural fibers after washing and swing or air-drying it; e. pulverizing, putting said non-paper pulp natural fibers into the pulverizer after dehydrating; f. pulping, putting said non-paper pulp natural fibers into the mixing pulp tank with adding the water to become a well mixed natural fibers pulp after pulverizing, wherein the ratio of the natural fibers to water is 1:10; g. moldable pulp, mixing cross-linking agents containing nonionic compounds and cationic compounds with said non-paper pulp natural fibers in a storage tank to become a moldable pulp after pulping, wherein said cross-linking agent is made with 0.75%~5.4% parts Fluorochemical serice, 0.9%~7.2% parts High polymer compound, 0.15%~0.54% parts Aliphatic polyamine and 0.75%~9% parts Alkyl acryl copolymers, relative to the amount of said natural fibers; h. paper pulp molding, spraying a releasing harmonizing agent membrane on the surface of a paper molding mold, applying appropriate moldable pulp and then being heated to about 120°C , 10~20 minutes for drying thermosetting, wherein said releasing harmonizing agent is mixed from 9.5% parts releasing agent, 0.5% cross-linking agent and 90% dilute water; i. releasing, releasing products from mold by air-blowing to obtain paper pulp molded products.
- As the above producing method, in step f, wherein after pulverizing said non-paper pulp natural fibers, further adds a part of paper pulp, recycled paper, or thermal resistance additives containing anionic compounds with equal amount of non-paper pulp natural fibers, and then, being stirred with water to form a uniform natural fibers pulp; said thermal resistance additives containing 50%~80% parts Inorganic Aluminum Silicate and 1.5%~9% parts Natural wax emulsion, relative to said natural fibers.
- Also, after step I, a chemical polymer (such as PP, OPP, OPS, PE, PET, or environmental protection waterproof, watergrease water based paint) protection membrane is coated on the inner or outer surface of the paper pulp molded products obtained from releasing by spraying, coating or pasting, to meet the requirement of containing foods for different usage.
- Because the paper molded products produced by above method use the traditional industrial such as palms, hemp and coconut shells (trees) as the major raw material, the cost may be decreased, the problem of industrial waste may be solved, and the logging amount of trees may be decreased to protect the ecological environment.
- The following provides an explanation of an embodiment of the method for producing non-paper pulp natural fibers of paper pulp molded production of the present invention based on the drawings so as to make examiners more realize the technology, characters, and effective of the present invention:
- First, as shown in Figure 1, the method for producing non-paper pulp natural fibers of paper pulp molded production of the present invention comprises the steps of:
- a. Scouring, soaking and stirring the non-paper pulp natural fibers with water in a tank, wherein the ratio of the natural fibers to water is 1:10, adding 0.01%~5% parts NaOH, 0.01%~5% parts scouring agents, 0.01%~5% penetrating agents and 0.01%~5% bleaching stabilizers, relative to said natural fibers, and well stirred to easier crack the harder fibers; said non-paper pulp natural fibers being selected from one of the group of palms, hemp, coconut shells and the mixture thereof;
- b. Bleaching, 1%~10% parts H2O2 relative to said natural fibers is added after well stirring of step a for stirring to an appropriate degree, for bleaching and being heated to about 90°C with soaked time in 30~90 minutes, so as to lighter the color of the natural fibers;
- c. Washing, obtaining said non-paper pulp natural fibers after finishing bleaching of step b, then be soaked into the cold water with 0.01%~5% Sodium Hydrosulfite about 30 minutes, so as to wash the bleaching agents and chemical material therein out and maintain the natural fibers in a controllable stable state;
- d. Dehydrating, taking out said non-paper pulp natural fibers after washing and swing or air-drying it;
- e. Pulverizing, putting said non-paper pulp natural fibers (still containing 50%~60% water) into the pulverizer after dehydrating, so as to make the natural fibers thinner and shorter;
- f. Pulping, putting said non-paper pulp natural fibers into the mixing pulp tank with adding the water to become a well mixed natural fibers pulp after pulverizing, wherein the ratio of the natural fibers to water is 1:10;
- g. Moldable pulp, mixing cross-linking agents containing nonionic compounds and cationic compounds with said non-paper pulp natural fibers in a storage tank to become a moldable pulp after pulping, wherein said cross-linking agent is made with 0.75%∼5.4% parts Fluorochemical serice, 0.9%~7.2% parts High polymer compound, 0.15%~0.54% parts Aliphatic polyamine and 0.75%~9% parts Alkyl acryl copolymers, relative to the amount of said natural fibers;
- h. Paper pulp molding, spraying a releasing harmonizing agent membrane on the surface of a paper molding mold, applying appropriate moldable pulp and then being heated to about 120°C , 10~20 minutes for drying thermosetting, wherein said releasing harmonizing agent is mixed from 9.5% parts releasing agent, 0.5% cross-linking agent and 90% dilute water;
- i. Releasing, releasing products from mold by air-blowing to obtain paper pulp molded products
- As the above method for producing non-paper pulp natural fibers of paper pulp molded production of the present invention, which recycle and reuse the traditional industrial waste such as palms, hemp and coconut shells, after a series special steps such as scouring and bleaching, to both solve the problem of waste in the processing products nations and areas that produce palms, hemp and coconut shells (trees), and decrease the logging amount of trees to protect the ecological environment; furthermore, the cost may be decreased efficiently and the competition ability may be increased by the method for producing non-paper pulp natural fibers of paper pulp molded production of the present invention.
- As shown in Figure 2, a part of paper pulp or recycled paper is mixed with said pulverized non-paper pulp natural fibers to meet the requirement of the different production place, so as to increase the using range and economical benefit; or thermal resistance additives containing anionic compounds is added, the amount is equal to non-paper pulp natural fibers, and 10 times amount of water is added together, then, being stirred to form a natural fibers pulp which can be used at 200 °C to meet the requirement of oven or microwave; said thermal resistance additives containing 50%-80% parts Inorganic Aluminum Silicate and 1.5%~9% parts Natural wax emulsion, relative to said natural fibers.
- As the above method, after the releasing of step i, a chemical polymer (such as PP, OPP, OPS, PE, PET, or environmental protection waterproof, watergrease water based paint) protection membrane may be also coated on the inner or outer surface of the paper pulp molded products obtained from releasing by spraying, coating or pasting, to meet the requirement of containing foods for different usage
- Although the above has provided an explanation of an embodiment of the paper pulp mold packing structure of frozen foods for Oven and method of producing the same of the present invention based on the drawings, specific constitutions are not limited to the present embodiments, but rather the design and so forth may be altered provided it is within a range that does not deviate from the gist of the present invention.
-
- Figure 1 Is a block flow chart showing the method for producing non-paper pulp natural fibers of paper pulp molded product of the present invention; and
- Figure 2 Is a block flow chart showing the method for producing non-paper pulp natural fibers of paper pulp molded product for another embodiment of the present invention.
Claims (8)
- A method for producing non-paper pulp natural fibers of paper pulp molded products, which is primarily produced by the following steps:a. Scouring, soaking and stirring the non-paper pulp natural fibers with water in a tank, wherein the ratio of the natural fibers to water is 1:10, adding 0.01%~5% parts NaOH, 0.01%~5% parts scouring agents, 0.01%~5% penetrating agents and 0.01%~5% bleaching stabilizers, relative to said natural fibers, and well stirred; said non-paper pulp natural fibers being selected from one of the group of palms, hemp, coconut shells arid the mixture thereof;b. Bleaching, 1%~10% parts H2O2 relative to said natural fibers is added after well stirring of step a for stirring to an appropriate degree, for bleaching and being heated to about 90°C with soaked time in 30∼90 minutes;c. Washing, obtaining said non-paper pulp natural fibers after finishing bleaching of step b, then be soaked into the cold water with 0.01%~5% Sodium Hydrosulfite about 30 minutes;d. Dehydrating, taking out said non-paper pulp natural fibers after washing and swing or air-drying it;e. Pulverizing, putting said non-paper pulp natural fibers into the pulverizer after dehydrating;f. Pulping, putting said non-paper pulp natural fibers into the mixing pulp tank with adding the water to become a well mixed natural fibers pulp after pulverizing, wherein the ratio of the natural fibers to water is 1:10;g. Moldable pulp, mixing cross-linking agents containing nonionic compounds and cationic compounds with said non-paper pulp natural fibers in a storage tank to become a moldable pulp after pulping, wherein said cross-linking agent is made with 0.75%~5.4% parts Fluorochemical serice, 0.9%~7.2% parts High polymer compound, 0.15%~0.54% parts Aliphatic polyamine and 0.75%~9% parts Alkyl acryl copolymers, relative to the amount of said natural fibers;h. paper pulp molding, spraying a releasing harmonizing agent membrane on the surface of a paper molding mold, applying appropriate moldable pulp and then being heated to about 120°C , 10~20 minutes for drying thermosetting; andi. Releasing, releasing products from mold by air-blowing to obtain paper pulp molded products.
- The method according to claim 1, wherein said releasing harmonizing agent is mixed from 9.5% parts releasing agent, 0.5% cross-linking agent and 90% dilute water.
- The method according to claim 1, in step f, wherein
A part of paper pulp is mixed with said pulverized non-paper pulp natural fibers, and 10 times amount of water is added to stirring together to form a uniform natural fibers pulp. - The method according to claim 1, in step f, wherein after pulverizing said non-paper pulp natural fibers, 10 times amount of water is added and stirred to form a uniform natural fibers pulp, and thermal resistance additives containing anionic compounds is added and stirred to form a uniform thermal resistance natural fibers pulp, said thermal resistance additives containing 50%~80% parts Inorganic Aluminum Silicate and 1.5%~9% parts Natural wax emulsion, relative to said natural fibers.
- The method according to claim 1,in step I, wherein after obtaining said paper pulp molded products, a step j for coating a membrane may be added to form a protecting membrane with chemical polymer on the surface of said paper pulp molded products.
- The method according to claim 5, wherein said step j is to coat a layer of chemical polymer on the surface of said paper pulp molded products.
- The method according to claim 5, wherein said step j is to paste a layer of chemical polymer on the surface of said paper pulp molded products.
- The method according to claim 5, wherein said step j is to spread a layer of chemical polymer on the surface of said paper pulp molded products.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP04021609A EP1634996A1 (en) | 2004-09-10 | 2004-09-10 | A method for producing paper pulp molded products of non-paper pulp natural fibers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP04021609A EP1634996A1 (en) | 2004-09-10 | 2004-09-10 | A method for producing paper pulp molded products of non-paper pulp natural fibers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1634996A1 true EP1634996A1 (en) | 2006-03-15 |
Family
ID=34926502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04021609A Withdrawn EP1634996A1 (en) | 2004-09-10 | 2004-09-10 | A method for producing paper pulp molded products of non-paper pulp natural fibers |
Country Status (1)
| Country | Link |
|---|---|
| EP (1) | EP1634996A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2507385A (en) * | 2013-01-21 | 2014-04-30 | Ronan Lynch | Moulded tray for fresh produce |
| CN112878104A (en) * | 2021-01-11 | 2021-06-01 | 王道玲 | Spraying method of auxiliary agent for paper pulp molded product |
| CN113527903A (en) * | 2021-07-22 | 2021-10-22 | 厦门优妮克国际贸易有限公司 | Preparation method of environment-friendly model clothes hanger |
| CN114059390A (en) * | 2021-11-26 | 2022-02-18 | 绿赛可新材料(云南)有限公司 | Pulp molding solid-liquid graded injection pulping process |
| US11255052B1 (en) * | 2020-09-30 | 2022-02-22 | United Arab Emirates University | Thermal insulating material made from date palm surface fibers |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1576816A (en) * | 1975-11-28 | 1980-10-15 | Anvar | Process and apparatus for the production of articles made from agglomerated ligneous particles and articles obtained by the process |
| US4298643A (en) * | 1978-04-14 | 1981-11-03 | Toyo Boseki Kabushiki Kaisha | Fiber sheet for forming |
| US6379594B1 (en) * | 1996-09-16 | 2002-04-30 | Zellform Gesellschaft M.B.H. | Process for producing workpieces and molded pieces out of cellulose and/or cellulose-containing fiber material |
| WO2002055774A2 (en) * | 2000-11-14 | 2002-07-18 | Weyerhaeuser Co | Crosslinked cellulosic product formed by extrusion process |
| WO2003042451A2 (en) * | 2001-11-01 | 2003-05-22 | Ulla Westermark | Lignocellulose product |
| WO2003044279A1 (en) * | 2001-10-10 | 2003-05-30 | Grenidea Technologies Pte Ltd | Molded plant fiber manufacturing process |
-
2004
- 2004-09-10 EP EP04021609A patent/EP1634996A1/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1576816A (en) * | 1975-11-28 | 1980-10-15 | Anvar | Process and apparatus for the production of articles made from agglomerated ligneous particles and articles obtained by the process |
| US4298643A (en) * | 1978-04-14 | 1981-11-03 | Toyo Boseki Kabushiki Kaisha | Fiber sheet for forming |
| US6379594B1 (en) * | 1996-09-16 | 2002-04-30 | Zellform Gesellschaft M.B.H. | Process for producing workpieces and molded pieces out of cellulose and/or cellulose-containing fiber material |
| WO2002055774A2 (en) * | 2000-11-14 | 2002-07-18 | Weyerhaeuser Co | Crosslinked cellulosic product formed by extrusion process |
| WO2003044279A1 (en) * | 2001-10-10 | 2003-05-30 | Grenidea Technologies Pte Ltd | Molded plant fiber manufacturing process |
| WO2003042451A2 (en) * | 2001-11-01 | 2003-05-22 | Ulla Westermark | Lignocellulose product |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2507385A (en) * | 2013-01-21 | 2014-04-30 | Ronan Lynch | Moulded tray for fresh produce |
| GB2507385B (en) * | 2013-01-21 | 2014-12-03 | Evesham Specialist Packaging Ltd | Tray for fresh produce |
| US11255052B1 (en) * | 2020-09-30 | 2022-02-22 | United Arab Emirates University | Thermal insulating material made from date palm surface fibers |
| CN112878104A (en) * | 2021-01-11 | 2021-06-01 | 王道玲 | Spraying method of auxiliary agent for paper pulp molded product |
| CN113527903A (en) * | 2021-07-22 | 2021-10-22 | 厦门优妮克国际贸易有限公司 | Preparation method of environment-friendly model clothes hanger |
| CN114059390A (en) * | 2021-11-26 | 2022-02-18 | 绿赛可新材料(云南)有限公司 | Pulp molding solid-liquid graded injection pulping process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6268385B2 (en) | Waterproof recycled paper and production method thereof | |
| WO2003044279A1 (en) | Molded plant fiber manufacturing process | |
| CA2546004A1 (en) | Projectile, projectile core, and method of making | |
| CN102627804B (en) | Method for preparing wood-plastic composite material with waste printing/copy paper and waste plastics | |
| US20060054292A1 (en) | Method for producing non-paper pulp natural fibers of paper pulp molded products | |
| CN102248562A (en) | Method for producing paperboards and paper tubes | |
| CN106049165B (en) | The preparation method of wrapping paper | |
| EP1634996A1 (en) | A method for producing paper pulp molded products of non-paper pulp natural fibers | |
| CN106638079A (en) | Method for producing antistatic paper pulp | |
| CN104911937B (en) | A kind of paper and preparation method thereof | |
| CN106498809A (en) | A kind of moistureproof corrugated paper and preparation method thereof | |
| CN109227867A (en) | A kind of preparation method of the mould proof composite fibre plate of environment-friendly type antibiotic | |
| CN106189324A (en) | A kind of New Buffering packaging material and preparation method thereof | |
| CN104403405B (en) | Biologic Deinking Agent, its preparation method and utilize the method for its deinking | |
| CN106283823A (en) | A kind of manufacture method of anti-be full of cracks decorating base paper | |
| CN102886799B (en) | Process for preparing bamboo rib reinforced composite packaging material by utilizing waste paper and bamboo | |
| CN109129792A (en) | A kind of preparation method of environment-friendly sheet | |
| CN108728013A (en) | A kind of corrugated board adhesive and preparation method thereof | |
| CN106638108A (en) | Moisture-proof corrugated paper and preparation method thereof | |
| CN100344933C (en) | Firework outer cylinder with bottoms and method for making same | |
| US20050211405A1 (en) | Heat resistant food packing material and method of manufacturing the food packing material | |
| KR20070116381A (en) | Environmentally friendly disposable container comprising seaweed powder and method of manufacturing the same | |
| JP3949131B2 (en) | Non-Paper Pulp Plant Fiber Paper Plastic Molded Product Manufacturing Method | |
| TWI242062B (en) | Method for producing non-pulp paper molded product from plant fiber | |
| KR100706923B1 (en) | Manufacturing device for pulp instrument andmanufacturing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
Effective date: 20050406 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR |
|
| AX | Request for extension of the european patent |
Extension state: AL HR LT LV MK |
|
| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: LEE, JIA-YUAN |
|
| RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: HUANG, CHRISTINE Inventor name: YEH, CHI-YEE |
|
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1088052 Country of ref document: HK |
|
| AKX | Designation fees paid |
Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR |
|
| 17Q | First examination report despatched |
Effective date: 20070112 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
| 18D | Application deemed to be withdrawn |
Effective date: 20080401 |
|
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: WD Ref document number: 1088052 Country of ref document: HK |