CN1103359C - Water-soluble adhesive for plastic-film container for seedling cultivation and preparation method thereof - Google Patents
Water-soluble adhesive for plastic-film container for seedling cultivation and preparation method thereof Download PDFInfo
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- CN1103359C CN1103359C CN99121195A CN99121195A CN1103359C CN 1103359 C CN1103359 C CN 1103359C CN 99121195 A CN99121195 A CN 99121195A CN 99121195 A CN99121195 A CN 99121195A CN 1103359 C CN1103359 C CN 1103359C
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- styrene
- rosin
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- butadiene
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Abstract
The present invention relates to a water-soluble adhesive agent for a plastic film container for plant growth, which is prepared using a dissolved styrene-butadiene-styrene three-element block polymer as the main material, using dissolved rosin as a viscosity increaser and adding water-soluble vector of emulsion adhesive and epoxy resin. The preparation method comprises the following steps: the styrene-butadiene-styrene three-element block polymer (SBS), the rosin and turpentine are respectively dissolved into a fusion state according to a certain proportion; then, the dissolved SBS and the epoxy resin are mixed according to portions to form a first component; the dissolved rosin and the emulsion adhesive are mixed according to portions to form a second component; finally, the two components are mixed and uniformly stirred. The present invention has the advantages of simple technology, safe use, no toxicity or side effect, operation with no need of fuel and dynamic force, energy source saving, labor saving and time saving. The adhesive agent can be used for making the plastic film container and can be used as cover gum; the adhesive agent has water solubility and is suitable for large-scale production.
Description
The present invention relates to a kind of water-soluble adhesive for plastic-film container for seedling cultivation and preparation method thereof.
In the prior art, plastic-film container for seedling cultivation has been widely used in farming, woods, plant husbandry.The making processes of plastic-film container for seedling cultivation be with polyethylene tube film through cutting, sealing, impose the cellular container for plant growth that tackiness agent is bonded then.Time spent is launched into the hexangle type container of a plurality of hollows, and the time spent is not overlapped into the book shape, and front cover is made with paper in the container both sides.What past plastic film container bonding continued to use always is a kind of Hotmelt Adhesive, and it is that rosin is carried out saponification with sulfuric acid modified processing back with soda ash, adds a certain amount of tackifier then and is made; Abietyl modified treatment temp is about 200 ℃, and reactor consumes a large amount of Ministry Of Fuel And Power power, and causes atmospheric pollution with straight fire heating; Because this tackiness agent stripping strength is very low, so in use there is the serious phenomenon of coming unglued in container for plant growth.Because this tackiness agent is pasted not strongly to the front cover of container, therefore, be difficult for using as front cover glue.At present, the front cover glue that container for plant growth uses is the polyvinyl formal tackiness agent, formaldehyde is poisonous, harmful, and this aqueous-based adhesive contains a large amount of moisture content, need airing in the sun after the stickup, the packing of could casing after drying, both accounted for a large amount of airings factory site, time-consuming again, be unfavorable for scale operation.
Purpose of the present invention just is to solve above existing in prior technology problem, and a kind of technology that provides is simple, make easily, pasting does not firmly need airing again, not only save energy but also saving of work and time and to water-soluble adhesive for plastic-film container for seedling cultivation of human body no side effects and preparation method thereof.
The objective of the invention is to realize by following measure.Water-soluble adhesive for plastic-film container for seedling cultivation, this tackiness agent is that to dissolve styrene-butadiene one polystyrene ternary segmented copolymer with thermoplastic elastomer be material of main part, make tackifier with dissolving rosin, and then be equipped with water-soluble carrier white glue with vinyl and Resins, epoxy and constitute, wherein in the raw material umber, each components contents is:
Dissolve 10～30 parts of styrene-butadiene one polystyrene ternary segmented copolymers
Dissolve 20～40 parts of rosin
40～70 parts of white glue with vinyl
2～5 parts of Resins, epoxy
It is described that to dissolve styrene-butadiene one polystyrene ternary segmented copolymer be styrene-butadiene one polystyrene ternary segmented copolymer and turps forms in 1: 4～9 ratio dissolving.
It is described that to dissolve rosin be rosin and turps forms in 1: 0.8～3 ratio dissolving.
The preparation method of water-soluble adhesive for plastic-film container for seedling cultivation, be earlier styrene-butadiene one polystyrene ternary segmented copolymer and turps to be dissolved into the state of dissolving in 1: 4～9 ratio, rosin and turps are dissolved into the state of dissolving in 1: 0.8～3 ratio, to dissolve 2～5 parts of 10～30 parts of styrene-butadiene one polystyrene ternary segmented copolymers and Resins, epoxy then and mix formation first component, to dissolve 40～70 parts of 20～40 parts of rosin and white glue with vinyl again and mix formation second component, at last first component and second component are mixed, through agitator stirred 1～2 hour water-soluble binder of the present invention.
Be illustrated with embodiment below.
Embodiment 1 (meter by weight):
Styrene-butadiene one polystyrene ternary segmented copolymer (SBS) and turps are dissolved into the state of dissolving in 1: 4 ratio, rosin and turps are dissolved into the state of dissolving in 1: 0.8 ratio, get then and dissolve 28 parts of styrene-butadiene one polystyrene ternary segmented copolymers and Resins, epoxy and mix for 3 parts and constitute first component, get and dissolve 34 parts of rosin and white glue with vinyl and mix for 42 parts and constitute second component, then first component and second component are mixed, stirred 1 hour through agitator, tackiness agent of the present invention.
Embodiment 2 (meter by weight):
Styrene-butadiene one polystyrene ternary segmented copolymer (SBS) and turps are dissolved into the state of dissolving in 1: 6 ratio, rosin and turps are dissolved into the state of dissolving in 1: 1.7 ratio, get then and dissolve 4 parts of 11 parts of styrene-butadiene one polystyrene ternary segmented copolymers and Resins, epoxy, mix and constitute first component, get and dissolve 65 parts of 38 parts of rosin and white glue with vinyl, mix and constitute second component, then first component and second component are mixed, stirred 1.5 hours through agitator, tackiness agent of the present invention.
Embodiment 3 (meter by weight):
Styrene-butadiene one polystyrene ternary segmented copolymer (SBS) and turps are dissolved into the state of dissolving in 1: 8.5 ratio, rosin and turps are dissolved into the state of dissolving in 1: 2.6 ratio, get then and dissolve 2.5 parts of 20 parts of styrene-butadiene one polystyrene ternary segmented copolymers and Resins, epoxy, mix and constitute first component, get and dissolve 54 parts of 22 parts of rosin and white glue with vinyl, mix and constitute second component, then first component and second component are mixed, stirred 2 hours through agitator, tackiness agent of the present invention.
With the water-soluble binder that the inventive method is made, be to be solvent with turps, turps is the important secondary product of forestry of China, and is to the human body no side effects, safe in utilization.This tackiness agent normal temperature preparation, technology is simple.Operating aspect need not Ministry Of Fuel And Power power, not only save energy but also saving of work and time.Compare with the tackiness agent making method with plastic-film container for seedling cultivation in the past, manually reduce 30%, power consumption saves 50%.This tackiness agent not only can be used for the making of container for plant growth, and can be used as the use of front cover glue.Stickup to cover paper not only firmly but also not needs airing, and have water-soluble.Front cover gets final product loading packing after pasting, and makes the making processes of container for plant growth save the preparation of front cover glue, the processes such as airing of container for plant growth, makes the production process of container for plant growth simplify suitable for mass production greatly.
Water-soluble adhesive for plastic-film container for seedling cultivation performance index measuring method and result are as follows:
The appearance milky white viscous fluid
Viscosity NDJ-1 type rotary viscosity design determining, 0.532Pas
Solid content oven dry weighing method 60%-64%
Relative density pycnometric method D
4 20=1.2-1.25
Stripping strength 180 degree stripping strengths are moulded 284g/2.5cm
Mould a paper 337g/2.5cm
Stripping strength is measured does not still have unified industry standard at present, and sample adopts 180 degree to peel off in experiment, adopts the gravity descent method to survey 180 degree stripping strengths with counterweight.
Specimen preparation: polyethylene film and cover paper are cut into the rectangular of 10 * 2.5cm, to cutting out evenly applying glue on the good polyethylene film bar, apply another sheet polyethylene film or paper with glass stick then immediately, tight with hand, room temperature is placed, and sample is done the back and surveyed its stripping strength.
Sample 180 degree peel strength measurement results are as follows: heavy (g) peel strength of specimen coding specimen width (cm) counterweight (g/2.5cm) is moulded-1 2.5 280 280 and is moulded-2 2.5 300 300 and mould-3 2.5 275 275 and mould-4 2.5 280 280 and mould a paper-1 2.5 340 340 and mould a paper-2 2.5 320 320 and mould a paper-3 2.5 350 350
Plastic-film container for seedling cultivation can be adjusted according to nursery stage is different with the tackiness agent stripping strength, the container stripping strength allotment height that nursery stage is long, the short container stripping strength allotment of nursery stage is hanged down, and the stripping strength height is finished by each component ratio in the adjustment tackiness agent.
Claims (4)
1, a kind of water-soluble adhesive for plastic-film container for seedling cultivation, it is characterized in that this tackiness agent is that to dissolve styrene-butadiene one polystyrene ternary segmented copolymer with thermoplastic elastomer be material of main part, make tackifier with dissolving rosin, and then be equipped with water-soluble carrier white glue with vinyl and Resins, epoxy and constitute, wherein in the raw material umber, each components contents is:
Dissolve 10～30 parts of styrene-butadiene one polystyrene ternary segmented copolymers
Dissolve 20～40 parts of rosin
40～70 parts of white glue with vinyl
2～5 parts of Resins, epoxy
2, a kind of preparation method of water-soluble adhesive for plastic-film container for seedling cultivation, it is characterized in that this preparation method is that the state of dissolving is dissolved into styrene-butadiene one polystyrene ternary segmented copolymer and turps in 1: 4～9 ratio in elder generation, rosin and turps are dissolved into the state of dissolving in 1: 0.8～3 ratio, to dissolve 2～5 parts of 10～30 parts of styrene-butadiene one polystyrene ternary segmented copolymers and Resins, epoxy then and mix formation first component, to dissolve 40～70 parts of 20～40 parts of rosin and white glue with vinyl again and mix formation second component, at last first component and second component are mixed, through agitator stirred 1～2 hour water-soluble binder of the present invention.
3, water-soluble binder according to claim 1 is characterized in that described to dissolve styrene-butadiene one polystyrene ternary segmented copolymer be styrene-butadiene one polystyrene ternary segmented copolymer and turps forms in 1: 4～9 ratio dissolving.
4, water-soluble binder according to claim 1 is characterized in that described to dissolve rosin be rosin and turps forms in 1: 0.8～3 ratio dissolving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99121195A CN1103359C (en) | 1999-11-05 | 1999-11-05 | Water-soluble adhesive for plastic-film container for seedling cultivation and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99121195A CN1103359C (en) | 1999-11-05 | 1999-11-05 | Water-soluble adhesive for plastic-film container for seedling cultivation and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1251379A CN1251379A (en) | 2000-04-26 |
| CN1103359C true CN1103359C (en) | 2003-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99121195A Expired - Fee Related CN1103359C (en) | 1999-11-05 | 1999-11-05 | Water-soluble adhesive for plastic-film container for seedling cultivation and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1103359C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101376729B (en) * | 2007-08-27 | 2011-04-06 | 王致平 | Liquid curing elastic protective film and manufacturing method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1055377A (en) * | 1990-04-04 | 1991-10-16 | 中国科学院大连化学物理研究所 | A kind of adhesive for polyethylene film |
| US5439963A (en) * | 1993-10-21 | 1995-08-08 | Permacel | Cured thermoplastic high tack pressure sensitive adhesive |
-
1999
- 1999-11-05 CN CN99121195A patent/CN1103359C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1055377A (en) * | 1990-04-04 | 1991-10-16 | 中国科学院大连化学物理研究所 | A kind of adhesive for polyethylene film |
| US5439963A (en) * | 1993-10-21 | 1995-08-08 | Permacel | Cured thermoplastic high tack pressure sensitive adhesive |
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| Publication number | Publication date |
|---|---|
| CN1251379A (en) | 2000-04-26 |
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