CN102618212A - Hot melt adhesive and preparation process and application thereof - Google Patents
Hot melt adhesive and preparation process and application thereof Download PDFInfo
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- CN102618212A CN102618212A CN2012101083623A CN201210108362A CN102618212A CN 102618212 A CN102618212 A CN 102618212A CN 2012101083623 A CN2012101083623 A CN 2012101083623A CN 201210108362 A CN201210108362 A CN 201210108362A CN 102618212 A CN102618212 A CN 102618212A
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- hot melt
- melt adhesive
- gum rosin
- polyethylene wax
- starch
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Abstract
The invention relates to adhesives and preparation methods thereof, in particular to a hot melt adhesive and a preparation process and an application thereof. The hot melt adhesive comprises, by mass percentage, 5-10% of polyethylene (PE), 15-25% of starches, 15-25% of ethylene-vinyl acetate copolymers, 5-15% of polyethylene wax and 45-55% of rosin resins. The hot melt adhesive is obtained by the steps of melting, adding the polyethylene wax and antioxidants, adding the rosin resins, vacuumizing, granulating and packaging. According to the hot melt adhesive, natural renewable starches and rosin resins are used as main raw materials, hot melt adhesives which mainly use petroleum as raw materials at present are replaced, renewable resources are saved, the cost is lowered, the problem of raw material shortage of the hot melt adhesives at present is solved, and novel raw material fields of the hot melt adhesive industry are developed. The preparation process is simple in step, high in operability and convenient to popularize and apply. The hot melt adhesive is mainly applied to packaging for shoe counters and case sealing.
Description
Technical field
The present invention relates to glue paste and preparation method thereof, be specifically related to a kind of hot melt adhesive and preparation technology thereof and application.
Background technology
Hot melt adhesive is a kind of plastic tackiness agent, and its physical condition changes with temperature change in certain temperature range, and chemical property is constant, and it is nonpoisonous and tasteless, belongs to the environmental-protecting chemical product.Because melt viscosity sum velocity is fast, nontoxic, adhesion technique is simple, and has good adhesive strength and snappiness, therefore be widely used in the bonding of goods such as various timber, paper, fiber, metal, plastics.
Present hot melt adhesive all is to be made by the by product of oil; More and more shortage of petroleum resources now; Because hot melt adhesive is a kind of environment-friendly adhesive; Annual consumption is so that the hot melt adhesive starting material also are to go up increasing therefore several times more than 25% always, and is also more and more obvious thereby hot melt adhesive is faced with the pressure of cost.
Summary of the invention
In order to overcome above-mentioned defective, the object of the present invention is to provide a kind of hot melt adhesive, mainly utilize the recyclable organism raw material, substitute existing petroleum products raw material like starch, Gum Rosin, can not only practice thrift renewable resources, and can also reduce cost.
Another object of the present invention is to provide a kind of preparation technology of hot melt adhesive, step is simple, and is workable.
Another purpose of the present invention is to provide hot melt adhesive to use.
For realizing above-mentioned purpose, the technical scheme that the present invention adopted is following:
A kind of hot melt adhesive, it comprises following component by percentage to the quality:
PE: 5-10%
Starch: 15-25%
Injecatable EVA Copolymer: 15-25%
Polyethylene wax: 5-15%
Gum Rosin: 45-55%.
Preferably, hot melt adhesive of the present invention comprises following component by percentage to the quality:
PE： 10%
Starch: 20%
Injecatable EVA Copolymer: 15%
Polyethylene wax: 5%
Gum Rosin: 50%.
In order to keep the premium properties of hot melt adhesive, improve the work-ing life of hot melt adhesive, hot melt adhesive of the present invention also comprises oxidation inhibitor, the consumption of oxidation inhibitor is 1-5% by percentage to the quality.
A kind of preparation technology of hot melt adhesive, it may further comprise the steps
(1) fusion:, wait to fuse the back and slowly add starch the extremely fusion of PE heated and stirred according to prescription, controlled temperature mixes simultaneously, obtains PE-starch consolute material, and is for use;
(2) add polyethylene wax and oxidation inhibitor: with the reaction kettle heating, slowly drop into polyethylene wax, Injecatable EVA Copolymer and oxidation inhibitor then, and constantly stir, controlled temperature fuses to adding polyethylene wax fully;
(3) add Gum Rosin: in above-mentioned fusion has the reaction kettle of polyethylene wax, slowly add Gum Rosin, controlled temperature constantly stirs, and fuses fully up to Gum Rosin;
(4) vacuumize: in aforesaid reaction vessel, add the PE-starch consolute material of fusion then, controlled temperature constantly stirs, and fusion mixes, and is adding Gum Rosin, and controlled temperature also begins to vacuumize;
(5) granulation, packing: after vacuumizing completion, cooling, granulation packing.
Among the above-mentioned preparation technology, wherein the consumption of various components is by percentage to the quality: PE:5-10%, starch 15-25%, Injecatable EVA Copolymer: 15-25%, polyethylene wax 5-15%, Gum Rosin 45-55%.
Among the above-mentioned preparation technology, temperature is controlled at 130-140 ℃ in the step (1), uses in the dissolution process to feed nitrogen protection.
Among the above-mentioned preparation technology, in the step (2), reaction kettle is heated to 120 ℃, and temperature is controlled at 140-150 ℃ during stirring.
Among the above-mentioned preparation technology, the amount that adds Gum Rosin in the step (3) is the 30-50% of total amount in the Gum Rosin.
Among the above-mentioned preparation technology, in the step (4), during stirring, temperature is controlled at 130-140 ℃, and when vacuumizing, temperature also is controlled at 130-140 ℃.
Hot melt adhesive of the present invention is applied to footwear material port treasured and joint sealing usefulness is packed.During use, bond again after directly the solution heat melten gel applies.
Compare prior art, beneficial effect of the present invention is: hot melt adhesive of the present invention is faint yellow opaque solid, viscosity: 1000-1500cps, softening temperature: 105-115 degree.It is main raw material that hot melt adhesive of the present invention adopts the starch and the Gum Rosin of natural reproducible; Substituted the main at present hot melt adhesive that adopts petroleum; Can not only practice thrift renewable resources; And can also reduce cost, solved the nervous problem of present hot melt adhesive starting material, for the hot melt adhesive industry has been opened up new starting material field.Preparation technology of the present invention, step is simple, and is workable, conveniently applies.
Below in conjunction with embodiment the present invention is done further explain.
Embodiment
It below is the preferred embodiment of the invention.
Embodiment 1
A kind of preparation technology of hot melt adhesive, it may further comprise the steps:
Be stirred to fusion by mass percent is heated to 140 ℃ with PE10%, wait to fuse the back and slowly add starch 20%, controlled temperature mixes at 130 ℃ simultaneously, obtains PE-starch consolute material, and is for use; Reaction kettle is heated to 120 ℃, slowly drops into polyethylene wax 5%, Injecatable EVA Copolymer 15% and oxidation inhibitor 1% then, and constantly stir, 150 ℃ of controlled temperature to add polyethylene wax, Injecatable EVA Copolymer fuses fully; In aforesaid reaction vessel, slowly add Gum Rosin 20%, 150 ℃ of controlled temperature constantly stir, and fuse fully up to Gum Rosin; In reaction kettle, add the PE-starch consolute material of fusion then, controlled temperature constantly stirs, and fusion mixes, and at the Gum Rosin that adds remaining 30%, 130 ℃ of controlled temperature also begin to vacuumize; After 30 minutes, vacuumize completion after, cooling, granulation packing; Wherein PE10%, starch 20%, Injecatable EVA Copolymer 15%, polyethylene wax 5%, Gum Rosin 50% by mass percentage.The hot melt adhesive that obtains at last is faint yellow opaque solid, and viscosity is 1200cps, softening temperature: 105 ℃.
Embodiment 2
A kind of preparation technology of hot melt adhesive, it may further comprise the steps:
Be stirred to fusion by mass percent is heated to 140 ℃ with PE5%, wait to fuse the back and slowly add starch 20%, controlled temperature mixes at 130 ℃ simultaneously, obtains PE-starch consolute material, and is for use; Reaction kettle is heated to 120 ℃, slowly drops into polyethylene wax 5%, Injecatable EVA Copolymer 15% and oxidation inhibitor 1% then, and constantly stir, 150 ℃ of controlled temperature to add polyethylene wax, Injecatable EVA Copolymer fuses fully; In aforesaid reaction vessel, slowly add Gum Rosin 20%, 150 ℃ of controlled temperature constantly stir, and fuse fully up to Gum Rosin; In reaction kettle, add the PE-starch consolute material of fusion then, controlled temperature constantly stirs, and fusion mixes, and at the Gum Rosin that adds remaining 35%, 130 ℃ of controlled temperature also begin to vacuumize; After 30 minutes, vacuumize completion after, cooling, granulation packing; Wherein PE10%, starch 20%, Injecatable EVA Copolymer 15%, polyethylene wax 5%, Gum Rosin 55% by mass percentage.The hot melt adhesive that obtains at last is faint yellow opaque solid, and viscosity is 1000cps, softening temperature: 110 ℃.
Embodiment 3
A kind of preparation technology of hot melt adhesive, it may further comprise the steps:
Be stirred to fusion by mass percent is heated to 140 ℃ with PE10%, wait to fuse the back and slowly add starch 15%, controlled temperature mixes at 130 ℃ simultaneously, obtains PE-starch consolute material, and is for use; Reaction kettle is heated to 120 ℃, slowly drops into polyethylene wax 15%, Injecatable EVA Copolymer 15% and oxidation inhibitor 1% then, and constantly stir, 150 ℃ of controlled temperature to add polyethylene wax, Injecatable EVA Copolymer fuses fully; In aforesaid reaction vessel, slowly add Gum Rosin 20%, 150 ℃ of controlled temperature constantly stir, and fuse fully up to Gum Rosin; In reaction kettle, add the PE-starch consolute material of fusion then, controlled temperature constantly stirs, and fusion mixes, and at the Gum Rosin that adds remaining 25%, 130 ℃ of controlled temperature also begin to vacuumize; After 30 minutes, vacuumize completion after, cooling, granulation packing; Wherein PE10%, starch 15%, Injecatable EVA Copolymer 15%, polyethylene wax 15%, Gum Rosin 45% by mass percentage.The hot melt adhesive that obtains at last is faint yellow opaque solid, and viscosity is 1500cps, softening temperature: 115 ℃.
Above-mentioned embodiment is merely preferred implementation of the present invention; Can not limit the scope of the present invention's protection with this, the variation of any unsubstantiality that those skilled in the art is done on basis of the present invention and replacement all belong to the present invention's scope required for protection.
Claims (10)
1. hot melt adhesive, it is characterized in that: it comprises following component by percentage to the quality
PE: 5-10%
Starch: 15-25%
Injecatable EVA Copolymer: 15-25%
Polyethylene wax: 5-15%
Gum Rosin: 45-55%.
2. hot melt adhesive according to claim 1 is characterized in that: it comprises following component by percentage to the quality
PE： 10%
Starch: 20%
Injecatable EVA Copolymer: 15%
Polyethylene wax: 5%
Gum Rosin: 50%.
3. hot melt adhesive according to claim 1 and 2 is characterized in that: it also comprises oxidation inhibitor, and the consumption of oxidation inhibitor is 1-5% by percentage to the quality.
4. the preparation technology of a hot melt adhesive, it is characterized in that: it may further comprise the steps
(1) fusion:, wait to fuse the back and slowly add starch the extremely fusion of PE heated and stirred according to prescription, controlled temperature mixes simultaneously, obtains PE-starch consolute material, and is for use;
(2) add polyethylene wax and oxidation inhibitor: with the reaction kettle heating, slowly drop into polyethylene wax, Injecatable EVA Copolymer and oxidation inhibitor then, and constantly stir, controlled temperature fuses to adding polyethylene wax fully;
(3) add Gum Rosin: in above-mentioned fusion has the reaction kettle of polyethylene wax, slowly add Gum Rosin, controlled temperature constantly stirs, and fuses fully up to Gum Rosin;
(4) vacuumize: in aforesaid reaction vessel, add the PE-starch consolute material of fusion then, controlled temperature constantly stirs, and fusion mixes, and is adding Gum Rosin, and controlled temperature also begins to vacuumize;
(5) granulation, packing: after vacuumizing completion, cooling, granulation packing.
5. the preparation technology of hot melt adhesive according to claim 4; It is characterized in that: wherein the consumption of various components is by percentage to the quality: PE:5-10%, starch 15-25%, Injecatable EVA Copolymer: 15-25%, polyethylene wax 5-15%, Gum Rosin 45-55%.
6. the preparation technology of hot melt adhesive according to claim 4 is characterized in that: temperature is controlled at 130-140 ℃ in the step (1), in the dissolution process with feeding nitrogen protection.
7. the preparation technology of hot melt adhesive according to claim 4, it is characterized in that: in the step (2), reaction kettle is heated to 120 ℃, and temperature is controlled at 140-150 ℃ during stirring.
8. the preparation technology of hot melt adhesive according to claim 4 is characterized in that: the amount that adds Gum Rosin in the step (3) is the 30-50% of total amount in the Gum Rosin.
9. the preparation technology of hot melt adhesive according to claim 4, it is characterized in that: in the step (4), during stirring, temperature is controlled at 130-140 ℃, and when vacuumizing, temperature also is controlled at 130-140 ℃.
10. hot melt adhesive as claimed in claim 1 is applied to footwear material port treasured and joint sealing usefulness is packed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210108362.3A CN102618212B (en) | 2012-04-13 | 2012-04-13 | Hot melt adhesive and preparation process and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210108362.3A CN102618212B (en) | 2012-04-13 | 2012-04-13 | Hot melt adhesive and preparation process and application thereof |
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| CN102618212A true CN102618212A (en) | 2012-08-01 |
| CN102618212B CN102618212B (en) | 2014-02-12 |
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| CN201210108362.3A Active CN102618212B (en) | 2012-04-13 | 2012-04-13 | Hot melt adhesive and preparation process and application thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103289606A (en) * | 2013-05-07 | 2013-09-11 | 安徽金门工贸有限公司 | Hot melt adhesive used for shoe and preparation method thereof |
| CN104312482A (en) * | 2014-09-22 | 2015-01-28 | 井冈山大学 | Preparation method of rosin / starch based biodegradable hot melt adhesive |
| CN104497914A (en) * | 2014-11-26 | 2015-04-08 | 上海邦中新材料有限公司 | Bonding resin and preparation method thereof |
| CN111543738A (en) * | 2020-02-25 | 2020-08-18 | 杭州锴越新材料有限公司 | Preparation method of hot-melt harbour material synthesized by natural cassava |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87101305A (en) * | 1987-02-26 | 1988-09-07 | 山东省新材料研究所 | A kind of instant solidifying hot-melt adhesive |
| CN1351104A (en) * | 2000-10-26 | 2002-05-29 | 中国石油化工股份有限公司 | Hot fusible adhesive for package |
| CN101280162A (en) * | 2008-05-29 | 2008-10-08 | 同济大学 | Preparation of low-cost hot-melt adhesive |
-
2012
- 2012-04-13 CN CN201210108362.3A patent/CN102618212B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87101305A (en) * | 1987-02-26 | 1988-09-07 | 山东省新材料研究所 | A kind of instant solidifying hot-melt adhesive |
| CN1351104A (en) * | 2000-10-26 | 2002-05-29 | 中国石油化工股份有限公司 | Hot fusible adhesive for package |
| CN101280162A (en) * | 2008-05-29 | 2008-10-08 | 同济大学 | Preparation of low-cost hot-melt adhesive |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103289606A (en) * | 2013-05-07 | 2013-09-11 | 安徽金门工贸有限公司 | Hot melt adhesive used for shoe and preparation method thereof |
| CN103289606B (en) * | 2013-05-07 | 2016-01-06 | 安徽金门工贸有限公司 | A kind of Hot-melt adhesives for shoemaking and preparation method thereof |
| CN104312482A (en) * | 2014-09-22 | 2015-01-28 | 井冈山大学 | Preparation method of rosin / starch based biodegradable hot melt adhesive |
| CN104497914A (en) * | 2014-11-26 | 2015-04-08 | 上海邦中新材料有限公司 | Bonding resin and preparation method thereof |
| CN111543738A (en) * | 2020-02-25 | 2020-08-18 | 杭州锴越新材料有限公司 | Preparation method of hot-melt harbour material synthesized by natural cassava |
| CN111543738B (en) * | 2020-02-25 | 2022-03-18 | 杭州锴越新材料有限公司 | Preparation method of hot-melt harbour material synthesized by natural cassava |
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| CN102618212B (en) | 2014-02-12 |
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