CN100566994C - A kind of paper plastic glue-free composite bidirectional stretching polypropylene film and preparation method thereof - Google Patents
A kind of paper plastic glue-free composite bidirectional stretching polypropylene film and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of paper plastic glue-free composite bidirectional stretching polypropylene film and preparation method thereof, described film comprises the top layer that is provided with in turn and is co-extruded, sandwich layer and can be directly and paper wood, preprint paper wood or contain the compound functional layer of film of this layer, be provided with top layer last time between top layer and the sandwich layer, be provided with next top layer between sandwich layer and the functional layer.Top layer, last time, top layer, sandwich layer, next top layer and functional layer respectively formed through biaxial tension co-extrusion by corresponding composition.Preparation method of the present invention is: the raw material of apolegamy is sent into extruder plastify into melt, melt becomes sheet by curtain coating casting sheet Quench, and sheet becomes film through biaxial tension, and film becomes female film through sided corona treatment or flame treatment, parent roll cuts into finished film at last through Ageing Treatment.Bidirectional stretching polypropylene film of the present invention also has simple in structurely when the no glue that can realize paper is compound, and heat seal strength is big, the advantage that peel strength is high, and the manufacturing that is beneficial to product is promoted.
Description
Technical field
The present invention relates to a kind of paper plastic glue-free composite bidirectional stretching polypropylene film and preparation method thereof.
Background technology
At present, the industrial compound way of paper that is applied to mainly contains following several: first glue method (dry method is compound and wet method is compound), yet thereby the toxic solvent serious environment pollution that this method can be more to airborne release; It two is solvent-free composite algorithms, and the initial bonding strength of this method gained joint product is extremely low; It three is precoating methods, though this method can be without solvent, but operation is more, increases cost.In addition, said method gained joint product adhesive linkage peel strength time dependence is more obvious.Therefore, for overcoming the compound shortcoming of paper in the prior art, Chinese patent ZL03226653.7 discloses a kind of paper composite construction, the described paper composite construction of this patent comprises that papery layer and hot pressing are compounded in the plastic film layers on the papery layer, and this film can not have on the surface that the glue composite membrane directly is compounded in the papery layer by biaxial stretch-formed polypropylene.Yet, though this patent discloses a kind of paper plastic glue-free composite construction, concrete composition of described thin layer and preparation method thereof is not disclosed, in actual use, people are difficult to produce accurately reproduction, in the applying in paper complex technique field, have certain degree of difficulty.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of paper plastic glue-free composite bidirectional stretching polypropylene film and preparation method thereof is provided, it is characterized in that: it comprises the top layer that setting in turn and coextru-lamination form, sandwich layer and can be directly and paper wood, preprint paper wood or contain the compound functional layer of film of this layer, it is characterized in that: described functional layer is an ethylene-butene copolymer, ethylene-octene copolymer, ethene-butylene-octene copolymer, the modified by maleic acid anhydride graft thing of ethylene-butene copolymer, the modified by maleic acid anhydride graft thing of ethylene-octene copolymer, the modified by maleic acid anhydride graft thing of ethene-butylene-octene copolymer or above copolymer, modifier, any composition of blend respectively with the blend again of hydrogenated petroleum resin, and its feature is as follows: (i) content of butylene is 10～30% in the ethylene-butene copolymer, and the content of octene is 5～20% in the ethylene-octene copolymer; The content of butylene is 1～30% in ethene-butylene-octene copolymer, the content of octene is 1～20%; The percent grafting of the modified by maleic acid anhydride graft thing of the modified by maleic acid anhydride graft thing of ethylene-butene copolymer, the modified by maleic acid anhydride graft thing of ethylene-octene copolymer, ethene-butylene-octene copolymer is 0.5～10%; The weight ratio that (ii) described functional layer accounts for film is 10～50%.
Be provided with top layer last time between described top layer and the sandwich layer, be provided with next top layer between sandwich layer and the functional layer.
Described top layer is polypropylene, polyethylene or both blend that contains antiblocking agent.
Described sandwich layer contains 60～100% isotactic polypropylene or for by one or more mixtures formed among 60～100% isotactic polypropylene and hydrogenated petroleum resin, antistatic additive, the slipping agent, next top layer and last time the top layer contain 60～100% isotactic polypropylene or be by one or more mixtures formed among 60～100% isotactic polypropylene and hydrogenated petroleum resin, antistatic additive, the slipping agent.
In described next top layer, sandwich layer and the last time top layer one or more layers contains titanium dioxide.
Described next top layer, sandwich layer and last time the top layer all contain calcium carbonate and/or polybutylene terephthalate (PBT).
The weight ratio that described hydrogenated petroleum resin accounts for functional layer is 1～30%.
The preparation method of paper plastic glue-free composite bidirectional stretching polypropylene film of the present invention is:
To press the component design premix through main material, modified materials, the additive masterbatch of screening, stir, resin after metering, send into the melt that extruder is processed into plasticizing, homogenizing, melt filters by pipeline transmission, filter, be assigned to die head through runner, become sheet by curtain coating casting sheet Quench, sheet is drawn into film through two-way (earlier vertically more laterally or in length and breadth to synchronously).The thickness of film adopts automatic measuring thickness device control, and film is through sided corona treatment or flame treatment, and through the female film of traction harvest, parent roll cuts into finished film at last through Ageing Treatment with the film after handling.
Adopt paper plastic glue-free composite bidirectional stretching polypropylene film of said structure and preparation method thereof, its advantage is:
Bidirectional stretching polypropylene film of the present invention, it comprises base layer and functional skin layer, base layer and the functional skin layer that constitutes by the described material of the technical program wherein, after coextru-lamination and stretching, functional layer can be directly and paper wood, preprint paper wood or contain the film of this layer compound, realized the no gel that paper is compound, save the coating process of glue method, simplified combination process, and, compound tense can not produce toxic gas, environmental protection, safety, health.Simultaneously, with the bidirectional stretching polypropylene film that this structure, composition manufacturing form, it is simple in structure, and heat seal strength is big, with paper wood, preprint paper wood or contain the product that the film of this functional layer is composited, and the peel strength height, the manufacturing that is beneficial to product is promoted.
Description of drawings
Accompanying drawing 1 is the cross-section structure of the embodiment of the invention 1.
Accompanying drawing 2 is the cross-section structure of another embodiment of the present invention.
Accompanying drawing 3 is the technological process of method for manufacturing thin film of the present invention.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing.
According to illustrated in figures 1 and 2, paper plastic glue-free composite bidirectional stretching polypropylene film of the present invention, it comprises in turn the top layer 5 that is provided with, sandwich layer 3 and can be directly and paper wood, preprint paper wood or contain the compound functional layer 1 of film of this layer, when making this film, top layer 5, sandwich layer 3 and functional layer 1 are the coextru-lamination structure, constituted the most basic three layers structure of film of the present invention with these three layers, as shown in Figure 1.In addition, be to improve the performance of film, be provided with top layer 4 last time between top layer 5 and the sandwich layer 3, be provided with next top layer 2 between sandwich layer 3 and the functional layer 1.The film that forms with this five-layer structure has constituted another embodiment of the present invention, as shown in Figure 2.Top layer 5 is for containing polypropylene, polyethylene or both blends of antiblocking agent.According to different manufacturing requirements, next time top layer 2, sandwich layer 3 and last time the top layer 4 can be following three kinds of modes: first, sandwich layer 3 contains 60～100% isotactic polypropylene or for by one or more mixtures formed among 60～100% isotactic polypropylene and hydrogenated petroleum resin, antistatic additive, the slipping agent, next top layer 2 and last time top layer 4 contain 60～100% isotactic polypropylene or be by one or more mixtures formed among 60～100% isotactic polypropylene and hydrogenated petroleum resin, antistatic additive, the slipping agent; The second, one or more layers in next top layer 2, sandwich layer 3 and the last time top layer 4 contains titanium dioxide; The 3rd, one or more layers in next top layer 2, sandwich layer 3 and the last time top layer 4 contains calcium carbonate and/or polybutylene terephthalate (PBT).Functional layer 1 is an ethylene-butene copolymer, ethylene-octene copolymer, ethene-butylene-octene copolymer, the modified by maleic acid anhydride graft thing of ethylene-butene copolymer, the modified by maleic acid anhydride graft thing of ethylene-octene copolymer, the modified by maleic acid anhydride graft thing of ethene-butylene-octene copolymer or above copolymer, modifier, any composition of blend respectively with the blend again of hydrogenated petroleum resin, wherein, butene content in the ethylene-butene copolymer is 10～30%, octene content in the ethylene-octene copolymer is 5～20%, butene content is 1～30% in ethene-butylene-octene copolymer, octene content is 1～20%, the modified by maleic acid anhydride graft thing of ethylene-butene copolymer, the percent grafting of the modified by maleic acid anhydride graft thing of ethylene-octene copolymer and the modified by maleic acid anhydride graft thing of ethene-butylene-octene copolymer is 0.5～10%.
The weight ratio that hydrogenated petroleum resin in the functional layer (1) accounts for this layer is 1～30%.
As shown in Figure 3, method for manufacturing thin film of the present invention, its technological process is:
Among the figure: A is raw material (comprising main material, modified materials, additive masterbatch), and B is a melt, and C is a sheet, D is a film, and E is a finished product, and F is that extruder is extruded operation, G is that die head, curtain coating are cast the sheet chilling device to the melt forming operation, and H is the biaxial tension operation, and I is Ageing Treatment, branch cutting process.
To press the component design premix through the raw material A (comprising main material, modified materials, additive masterbatch) of screening, stir, resin after metering, send into the melt B that extruder processing F becomes plasticizing, homogenizing, melt filters by pipeline transmission, filter, be assigned to die head through runner, G becomes sheet C by curtain coating casting sheet, and sheet becomes film D through two-way (earlier vertically more laterally or in length and breadth to synchronously) stretching H.The thickness of film D adopts automatic measuring thickness device control, and to improve surface tension, through the female film of traction harvest, cut I at last and become finished film E through Ageing Treatment with the film after handling by parent roll through sided corona treatment or flame treatment for film.Wherein:
The extruder that described method is used, the temperature of die head are controlled at 220～270 ℃, curtain coating casting sheet temperature is at 15～40 ℃, surface treatment intensity is 35～45mN/m, in drawing process, can select two-step stretch or synchro-draw operation for use according to the condition of production equipment, in the two-step stretch operation, the longitudinal stretching cell temperature is controlled at 50～150 ℃, and the cross directional stretch cell temperature is controlled at 80～180 ℃, is respectively 4.5～6.5 and 7～10 to draw ratio in length and breadth.
Functional layer 1 accounts for the weight ratio of film 10～50%.
Among the embodiment 1 shown in Figure 1:
Functional layer 1 is the modified by maleic acid anhydride graft thing 9015 that 70% ethylene-butene copolymer 4090S adds 30% ethylene-butene copolymer;
Sandwich layer 3 is that 98% isotactic polypropylene FS3011 adds 2% antistatic additive ASPA2446;
Top layer 5 is delustring material DUL3636DP17.
The gross thickness of prepared product is 20 μ m, functional layer 1 thick 8 μ m, delustring bed thickness 3 μ m.
The preparation method is: will press the component design premix through the raw material A (comprising main material, modified materials, additive masterbatch) of screening, stir, resin after metering, send into the melt B that extruder is processed into plasticizing, homogenizing F, melt filters by pipeline transmission, filter, be assigned to die head through runner, G becomes sheet C by curtain coating casting sheet, and sheet becomes film D through two-way (earlier vertically more laterally or in length and breadth to synchronously) stretching H.The thickness of film D adopts automatic measuring thickness device control, and to improve surface tension, through the female film of traction harvest, cut I at last and become finished film E through Ageing Treatment with the film after handling by parent roll through sided corona treatment or flame treatment for film.Wherein, equipment is the flat embrane method bidirectional stretching polypropylene film of German BRUECKNER production line, 235～265 ℃ of extrusion temperatures; The longitudinal stretching temperature: preheating, stretching and setting temperature 50-150 ℃, 5 times of draw ratios; The cross directional stretch temperature: 80～180 ℃ of preheating, stretching and setting temperatures, draw ratio is 9 times; Sided corona treatment power is 25wmin./m
2, the properties of product of manufacturing are as follows:
(1) thickness: 20 μ m (2) density (extinction type): 0.83g/cm
3(3) hot strength (vertically/laterally): 90MPa/130MPa (4) heat seal strength: 8.0N/15mm
(5) peel strength (film-paper wood): 3.5N/15mm
(6) glossiness: 8.5Gu (7) percent thermal shrinkage (vertically/laterally): 2.5%/1.5%
(8) surface tension: 40mN/m
In the enforcement 2 shown in Figure 2:
Functional layer 1 is that the modified by maleic acid anhydride graft thing 9015 that 50% ethylene-butene copolymer 4090S adds 20% ethylene-butene copolymer adds 30% hydrogenated petroleum resin (masterbatch such as PA609);
Top layer 4 was 98% isotactic polypropylene FS3011 and added 2% antistatic additive ASPA2446 next time top layer 2, sandwich layer 3, last time;
Top layer 5 is the antiblocking agent ABVT180 that 98% isotactic polypropylene FS3011 adds 2000PPM.
The gross thickness of prepared product is 18 μ m, functional layer 1 thick 7 μ m.
The preparation method is identical with embodiment 1, and the specific performance of product is:
(1) thickness: 18 μ m (2) density (brightening type): 0.9g/cm
3
(3) hot strength (vertically/laterally): 110MPa/200MPa (4) heat seal strength: 6.0N/15mm
(5) peel strength (film-paper wood or preprint paper wood): 3.2N/15mm
(6) mist degree: 1.2% (7) percent thermal shrinkage (vertically/laterally): 2.0%/1.2%
(8) surface tension: 40mN/m
By the bidirectional stretching polypropylene film that said structure, composition and preparation method produce, it is simple in structure, and heat seal strength is big, with paper wood, preprint paper wood or contain the product that the film of this functional layer is composited, and the peel strength height, the manufacturing that is beneficial to product is promoted.
Claims (8)
1. paper plastic glue-free composite bidirectional stretching polypropylene film, comprise the top layer (5) that also coextru-lamination forms is set in turn, sandwich layer (3) and can be directly and paper wood, preprint paper wood or contain the compound functional layer (1) of film of this layer, it is characterized in that: described functional layer (1) is ethylene-butene copolymer, ethylene-octene copolymer, ethene-butylene-octene copolymer, the modified by maleic acid anhydride graft thing of ethylene-butene copolymer, the modified by maleic acid anhydride graft thing of ethylene-octene copolymer, the modified by maleic acid anhydride graft thing of ethene-butylene-octene copolymer or above copolymer, modifier, any composition of blend respectively with the blend again of hydrogenated petroleum resin, and
(i) content of butylene is 10～30% in the ethylene-butene copolymer, and the content of octene is 5～20% in the ethylene-octene copolymer; The content of butylene is 1～30% in ethene-butylene-octene copolymer, the content of octene is 1～20%; The percent grafting of the modified by maleic acid anhydride graft thing of the modified by maleic acid anhydride graft thing of ethylene-butene copolymer, the modified by maleic acid anhydride graft thing of ethylene-octene copolymer, ethene-butylene-octene copolymer is 0.5～10%;
The weight ratio that (ii) described functional layer accounts for film is 10～50%.
2. according to the described paper plastic glue-free composite bidirectional stretching polypropylene film of claim 1, it is characterized in that: be provided with top layer last time (4) between described top layer (5) and the sandwich layer (3), be provided with next top layer (2) between sandwich layer (3) and the functional layer (1).
3. according to the described paper plastic glue-free composite bidirectional stretching polypropylene film of claim 2, it is characterized in that: described top layer (5) are for containing polypropylene, polyethylene or both blends of antiblocking agent.
4. according to the described paper plastic glue-free composite bidirectional stretching polypropylene film of claim 2, it is characterized in that: described sandwich layer (3) contains 60～100% isotactic polypropylene or for by one or more mixtures formed among 60～100% isotactic polypropylene and hydrogenated petroleum resin, antistatic additive, the slipping agent, and next top layer (2) and top layer last time (4) are contained 60～100% isotactic polypropylene or be by one or more mixtures formed among 60～100% isotactic polypropylene and hydrogenated petroleum resin, antistatic additive, the slipping agent.
5. according to the described paper plastic glue-free composite bidirectional stretching polypropylene film of claim 2, it is characterized in that: one or more layers in described next top layer (2), sandwich layer (3) and top layer last time (4) contains titanium dioxide.
6. according to the described paper plastic glue-free composite bidirectional stretching polypropylene film of claim 2, it is characterized in that: one or more layers in described next top layer (2), sandwich layer (3) and top layer last time (4) contains calcium carbonate and/or polybutylene terephthalate (PBT).
7. according to the described paper plastic glue-free composite bidirectional stretching polypropylene film of claim 1, it is characterized in that: the weight ratio that described hydrogenated petroleum resin accounts for functional layer (1) is 1～30%.
8. preparation method according to the described paper plastic glue-free composite bidirectional stretching polypropylene film of claim 1, its technological process is:
To press the component design premix through main material, modified materials, the additive masterbatch of screening, stir, resin after metering, send into the melt that extruder is processed into plasticizing, homogenizing, melt filters by pipeline transmission, filter, be assigned to die head through runner, become sheet by curtain coating casting sheet Quench, sheet becomes film through biaxial tension; The thickness of film adopts automatic measuring thickness device control, and film is through sided corona treatment or flame treatment, and through the female film of traction harvest, parent roll cuts into finished film at last through Ageing Treatment with the film after handling.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100061005A CN100566994C (en) | 2006-12-08 | 2007-01-26 | A kind of paper plastic glue-free composite bidirectional stretching polypropylene film and preparation method thereof |
| KR1020097017387A KR100988873B1 (en) | 2007-01-26 | 2007-12-11 | A biaxially orientated polypropylene film for combining paper and plastic without adhesive and a preparation method thereof |
| TR2009/05559T TR200905559T1 (en) | 2007-01-26 | 2007-12-11 | A biaxially oriented polypropylene film suitable for glue-free lamination with paper and a method of preparation thereof |
| PCT/CN2007/003459 WO2008092328A1 (en) | 2007-01-26 | 2007-12-11 | A biaxially orientated polypropylene film for combining paper and plastic without adhesive and a preparation method thereof |
| BRPI0720817-0A BRPI0720817A2 (en) | 2007-01-26 | 2007-12-11 | BIAXIALLY SUITABLE ORIENTED POLYPROPYLENE FILM FOR PAPER FREE GLAMING AND METHOD FOR PREPARING A SUITABLE ORIENTED POLYPROPYLENE FILM FOR PAPER |
| RU2009132095/05A RU2426651C2 (en) | 2007-01-26 | 2007-12-11 | Biaxially-oriented polypropylene film for direct-bonding lamination on paper and method of its production |
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| CN200610124211.1 | 2006-12-08 | ||
| CN200610124211 | 2006-12-08 | ||
| CNB2007100061005A CN100566994C (en) | 2006-12-08 | 2007-01-26 | A kind of paper plastic glue-free composite bidirectional stretching polypropylene film and preparation method thereof |
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| CN100566994C true CN100566994C (en) | 2009-12-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014146237A1 (en) | 2013-03-18 | 2014-09-25 | Dow Global Technologies Llc | Film composition for paper thermal lamination |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BRPI0720817A2 (en) * | 2007-01-26 | 2014-03-04 | Guangdong Decro Packaga Films Co Ltd | BIAXIALLY SUITABLE ORIENTED POLYPROPYLENE FILM FOR PAPER FREE GLAMING AND METHOD FOR PREPARING A SUITABLE ORIENTED POLYPROPYLENE FILM FOR PAPER |
| CN101254644B (en) * | 2008-03-20 | 2010-04-21 | 江苏恒创包装材料有限公司 | Manufacturing method of biaxial stretching polypropylene sound-deadening adhesive tape base membrane |
| CN101633259B (en) * | 2008-07-21 | 2012-06-13 | 泉州利昌塑胶有限公司 | Non-adhesive hot-laminating polyethylene film and preparation method thereof |
| CN103009754B (en) * | 2012-01-20 | 2016-05-11 | 李波 | For compound laminated film of heat posted and preparation method thereof |
| CN102922850A (en) * | 2012-11-08 | 2013-02-13 | 温州市金田塑业有限公司 | Biaxially-oriented polypropylene (BOPP) tangle membrane and preparation method thereof |
| CN103182820B (en) * | 2013-03-10 | 2016-04-27 | 湖北慧狮塑业股份有限公司 | A kind of CPP direct response membrane |
| JP5782663B1 (en) * | 2014-07-16 | 2015-09-24 | 株式会社武田産業 | Packing member, manufacturing method thereof, and packaging container |
| CN105690782A (en) * | 2015-09-18 | 2016-06-22 | 安徽柒柒塑业有限公司 | Preparation process for BOPP thin film |
| CN107553941B (en) * | 2016-06-30 | 2021-08-24 | 上海永超新材料科技股份有限公司 | High-barrier BOPP aluminum-plated film and preparation method thereof |
| CN107498966A (en) * | 2017-09-18 | 2017-12-22 | 广东德冠薄膜新材料股份有限公司 | A kind of bidirectional stretching polypropylene film base material and its preparation method and application |
| CN110216918A (en) * | 2019-06-06 | 2019-09-10 | 安庆市康明纳包装有限公司 | A kind of band stick medical paper-plastic automatic sealing package pocket structure and machining method |
| CN112109414A (en) * | 2020-10-26 | 2020-12-22 | 广东安德力新材料有限公司 | Thermal compounding method of polypropylene film layer |
| CN114055762B (en) * | 2021-12-08 | 2022-06-07 | 广州美斯乐科技有限公司 | Manufacturing equipment and manufacturing process of vacuum packaging bag |
| CN114425897A (en) * | 2022-04-06 | 2022-05-03 | 广东德冠薄膜新材料股份有限公司 | Moldable metal-platable polypropylene film and preparation method and application thereof |
| CN117621586B (en) * | 2024-01-26 | 2024-04-19 | 广东德冠薄膜新材料股份有限公司 | BOPP film and preparation method and application thereof |
-
2007
- 2007-01-26 CN CNB2007100061005A patent/CN100566994C/en active Active
Non-Patent Citations (2)
| Title |
|---|
| 石油树脂和加氢石油树脂的制造和应用. 黄云翔.广州化工，第23卷第1期. 1995 |
| 石油树脂和加氢石油树脂的制造和应用. 黄云翔.广州化工，第23卷第1期. 1995 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014146237A1 (en) | 2013-03-18 | 2014-09-25 | Dow Global Technologies Llc | Film composition for paper thermal lamination |
| US11123964B2 (en) | 2013-03-18 | 2021-09-21 | Dow Global Technologies Llc | Film composition for paper thermal lamination application |
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Effective date of registration: 20100809 Address after: 528333 Guangdong Province, Foshan city Shunfengshan industrial zone of Shunde District of Guangdong decro packing material Co. Ltd Co-patentee after: Gaungdong Decro Film New Material Co.,Ltd. Patentee after: Guangdong Decro Package Films Co., Ltd. Address before: 528333 Guangdong Province, Foshan city Shunfengshan industrial zone of Shunde District of Guangdong decro packing material Co. Ltd Patentee before: Guangdong Decro Package Films Co., Ltd. |