CN103102814A - EVA (ethylene-vinyl acetate) hot-melting adhesive and preparation method thereof - Google Patents
EVA (ethylene-vinyl acetate) hot-melting adhesive and preparation method thereof Download PDFInfo
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- CN103102814A CN103102814A CN2013100312600A CN201310031260A CN103102814A CN 103102814 A CN103102814 A CN 103102814A CN 2013100312600 A CN2013100312600 A CN 2013100312600A CN 201310031260 A CN201310031260 A CN 201310031260A CN 103102814 A CN103102814 A CN 103102814A
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Abstract
The invention provides an EVA (ethylene-vinyl acetate) hot-melting adhesive. The formulation of the EVA hot-melting adhesive comprises the following components by weight percent: 25-45% of EVA resin, 1-5% of a polarity micromolecule grafting material; 0.1-1% of an initiator, 15-55% of tackifying resin, 0-50% of a viscosity diluting agent, 0.1-1% of an antioxidant, and 0.1-1% of a stabilizing agent. The invention further provides a preparation method of the EVA hot-melting adhesive. The EVA hot-melting adhesive provided by the invention has benefit effects of high bonding strength, fast curing speed, small smell and less pollution.
Description
Technical field
The present invention relates to adhesive area, be specifically related to a kind of EVA hot melt adhesive.
Background technology
Hot melt adhesive be a class take thermoplastic polymer as main body, the vigorous agent of solvent-free solid gums, it have bonding rapidly, wide application, nontoxic, pollution-free, pure solid, be convenient to the advantages such as transportation and storage.The scope that hot melt adhesive is used is more and more wider, from Traditional Packing field (bookbinding, hygienic articles), is extended to the industries such as clothes, shoemaking, also uses to some extent in field of electronics such as refrigerator, cable and automobiles.
Ethylene-vinyl acetate copolymer (being called for short EVA) is most widely used, that consumption is maximum a kind of hot melt adhesive, it has good cementing property, snappiness, elasticity, the transparency, tackiness, weather, erosion resistance, can be compatible well with weighting agent and tinting material, the mode of machine-shaping is a lot, as extrusion molding, coating, injection moulding, blowing, heat-sealing etc., so the EVA resin is widely used in the aspects such as plastic sheeting for farm use, shoemaking, automobile industry, blending and modifying and papermaking.
But the EVA hot melt adhesive also has some obvious shortcomings, and for example: bonding strength is low, and the life-span is short, and smell is large, and volatile component is many etc., and product can not satisfy the use needs of requirements at the higher level take low and middle-grade as main.
Summary of the invention
The objective of the invention is for the problems referred to above, the EVA that a kind of bonding strength is high, smell is little, the amount of being fuming is little, curing speed is fast hot melt adhesive is provided.
For achieving the above object, technical scheme provided by the invention is, a kind of EVA hot melt adhesive, and the formula of described EVA hot melt adhesive is as follows:
EVA resin 25%-45%;
Polar micromolecules graft materials 1-5%;
Initiator 0.1-1%;
Tackifying resin 15%-55%;
Viscosity thinner 0-50%;
Oxidation inhibitor 0.1-1%;
Tranquilizer 0.1-1%.
Preferably, the formula of described EVA hot melt adhesive is as follows:
EVA resin 30%-40%;
Polar micromolecules graft materials 2-4%;
Initiator 0.1-1%;
Tackifying resin 25%-35%;
Viscosity thinner 10-40%;
Oxidation inhibitor 0.1-1%;
Tranquilizer 0.1-1%.
Preferably, the formula of described EVA hot melt adhesive is as follows:
EVA resin 38%;
Polar micromolecules graft materials 2%;
Initiator 0.1%;
Tackifying resin 35%;
Viscosity thinner 24.5%;
Oxidation inhibitor 0.2%;
Tranquilizer 0.2 %.
Preferably, described EVA resin comprises at least a EVA resin, described tackifier are a kind of, two or more the mixtures in Gum Rosin, C 5 hydrogenated petroleum resin, terpine resin, and described viscosity thinner is a kind of, two or more the mixture in polyethylene wax, Poly Propylene Wax, microcrystalline wax, Fischer-Tropsch wax.
Preferably, described polar micromolecules graft materials is a kind of, two or more the mixture in maleic anhydride, silane coupling agent, described initiator is a kind of, two or more the mixture in two two or five class vulcanizing agents, BPO, DCP, AIBN, described oxidation inhibitor is a kind of, two or more the mixture in 1010,168,264, and described tranquilizer is 618,626, a kind of, two or more mixture in TP-10.
The present invention also provides a kind of preparation method of EVA hot melt adhesive, and concrete steps are as follows:
The first step, after being mixed in proportion, EVA resin, initiator and polar micromolecules graft materials make modified EVA;
Second step: with described modified EVA resin and tackifying resin, viscosity thinner, oxidation inhibitor, tranquilizer is mixed in proportion and react after can obtain the EVA hot melt adhesive.
Preferably, the reaction of described second step is at 150 ℃ ~ 175 ℃ reaction kettle for reaction 2h.
The present invention utilizes graft materials to carry out modification to hot melt adhesive, chooses the starting material of superior performance, improves the performance structure of material of main part, improves the consistency of material and material.By chemical process, the functional group on some bioactive molecules and EVA main chain is reacted, generation has the modified EVA resin of property, again with blend such as tackifier, fillers, obtain the modified EVA hot-melt adhesive that bonding strength with metal, polar material is larger, have higher resistance toheat.
Hot melt adhesive of the present invention has very fast curing speed, even to some non-polar plastics that is difficult to glued joint with other tackiness agent, also has good wetting property and higher Joint strength; And solvent-free participation in the present invention, thereby avoided the use of solvent to endanger, this is being favourable to the finished product aspect control hazardous and noxious substances and VOC control; And do not contain the hazardous and noxious substances such as benzene,toluene,xylene, formaldehyde in this hot melt adhesive, volatile component is few, and smell is little, belongs to environmentally friendly product.The present invention is applied to the assembling of printer material can satisfy low VOC requirement, and can satisfy GB, Europe superscript and American Standard etc. to the requirement of product, so the present invention is especially suitable for use as the printer rubber roller hot melt adhesive.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used for explanation the present invention and be not used in and limit the scope of the invention.Should be understood that in addition after having read content of the present invention, those skilled in the art can make various changes or modifications the present invention, these equivalent form of values fall within the attached claims restricted portion of the application equally.
Embodiment 1,
Be 38% EVA resin, 2% polar micromolecules graft materials maleic anhydride, 0.1% BPO initiator, 35% Gum Rosin tackifier, 24.5% Fischer-Tropsch wax viscosity thinner, 0.2% antioxidant 1010,0.2% tranquilizer 618 with mass percent, mix under the temperature of reaction of 170 ℃ and made hot melt adhesive in 2 hours.
Embodiment 2,
Be 37% EVA resin, 3% polar micromolecules graft materials silane coupling agent, 0.1% initiator DCP, 35% terpine resin tackifier, 24.6% polyethylene wax viscosity thinner, 0.2% irgasfos 168,0.1% tranquilizer 618 with mass percent.Mix under the temperature of reaction of 171 ℃ and made the hot melt adhesive sizing agent in 2 hours.
Embodiment 3,
Be 40% EVA resin, 3% polar micromolecules graft materials silane coupling agent, 0.1% initiator B PO, 35% C 5 hydrogenated petroleum resin tackifier, 21.6% polyethylene wax viscosity thinner, 0.2% irgasfos 168,0.1% tranquilizer 618 with mass percent, mix under the temperature of reaction of 150 ℃ and made the hot melt adhesive sizing agent in 2 hours.
Embodiment 4,
Be that 25% EVA resin, 5% polar micromolecules graft materials maleic anhydride, 1% initiator DCP, 40% C 5 hydrogenated petroleum resin tackifier, 28% Fischer-Tropsch wax viscosity thinner, 0.5% antioxidant 1010,0.5% tranquilizer 618 mix under the temperature of reaction of 171 ℃ and made the hot melt adhesive sizing agent in 2 hours with mass percent.
Embodiment 5,
Be that 45% EVA resin, 1% polar micromolecules graft materials maleic anhydride, 0.1% initiator DCP, 20% C 5 hydrogenated petroleum resin tackifier, 31.9% Fischer-Tropsch wax viscosity thinner, 1% antioxidant 1010,1% tranquilizer 618 mix under the temperature of reaction of 160 ℃ and made the hot melt adhesive sizing agent in 2 hours with mass percent.
After tested, in embodiment, prepared EVA hot melt adhesive curing speed is less than 3s, be connected torsion strength greater than 70N with metallic substance, good heat resistance, 180 ℃ of heating 48h colors do not turn black, produce without burnt shape precipitation, comprehensively obviously faster than the market common product, and smell is little, and volatilization is few, and is little to environment and human injury.
The present invention's formula arbitrary combination in following scope:
EVA resin 25%-45%;
Polar micromolecules graft materials 1-5%;
Initiator 0.1-1%;
Tackifying resin 15%-55%;
Viscosity thinner 0-50%;
Oxidation inhibitor 0.1-1%;
Tranquilizer 0.1-1%.
The invention has the beneficial effects as follows: bonding strength is high, curing speed is fast, smell is little, pollution is few.
Be more than the description to the embodiment of the present invention, by the above-mentioned explanation to the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present invention, realization in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. an EVA hot melt adhesive, is characterized in that, the formula of described EVA hot melt adhesive is as follows:
EVA resin 25%-45%;
Polar micromolecules graft materials 1-5%;
Initiator 0.1-1%;
Tackifying resin 15%-55%;
Viscosity thinner 0-50%;
Oxidation inhibitor 0.1-1%;
Tranquilizer 0.1-1%.
2. EVA hot melt adhesive as claimed in claim 1, is characterized in that, the formula of described EVA hot melt adhesive is as follows:
EVA resin 30%-40%;
Polar micromolecules graft materials 2-4%;
Initiator 0.1-1%;
Tackifying resin 25%-35%;
Viscosity thinner 10-40%;
Oxidation inhibitor 0.1-1%;
Tranquilizer 0.1-1%.
3. EVA hot melt adhesive as claimed in claim 1, is characterized in that, the formula of described EVA hot melt adhesive is as follows:
EVA resin 38%;
Polar micromolecules graft materials 2%;
Initiator 0.1%;
Tackifying resin 35%;
Viscosity thinner 24.5%;
Oxidation inhibitor 0.2%;
Tranquilizer 0.2 %.
4. described EVA hot melt adhesive as arbitrary in claim 1 ~ 3, it is characterized in that, described EVA resin comprises at least a EVA resin, described tackifier are a kind of, two or more the mixtures in Gum Rosin, C 5 hydrogenated petroleum resin, terpine resin, and described viscosity thinner is a kind of, two or more the mixture in polyethylene wax, Poly Propylene Wax, microcrystalline wax, Fischer-Tropsch wax.
5. described EVA hot melt adhesive as arbitrary in claim 1 ~ 3, it is characterized in that, described polar micromolecules graft materials is a kind of, two or more the mixture in maleic anhydride, silane coupling agent, described initiator is a kind of, two or more the mixture in two two or five class vulcanizing agents, BPO, DCP, AIBN, described oxidation inhibitor is a kind of, two or more the mixture in 1010,168,264, and described tranquilizer is 618,626, a kind of, two or more mixture in TP-10.
6. the preparation method of an EVA hot melt adhesive, is characterized in that, concrete steps are as follows:
The first step, make modified EVA with EVA resin, initiator and after the polar micromolecules graft materials is mixed;
Second step: with described modified EVA resin and tackifying resin, viscosity thinner, oxidation inhibitor, tranquilizer mixes and react after can obtain the EVA hot melt adhesive.
7. the preparation method of EVA hot melt adhesive as claimed in claim 6, is characterized in that, the reaction of described second step is at 150 ℃ ~ 175 ℃ reaction kettle for reaction 2h.
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| CN2013100312600A CN103102814A (en) | 2013-01-28 | 2013-01-28 | EVA (ethylene-vinyl acetate) hot-melting adhesive and preparation method thereof |
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Cited By (17)
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|---|---|---|---|---|
| CN103289181A (en) * | 2013-07-08 | 2013-09-11 | 无锡杰科塑业有限公司 | Thermoplastic low-smoke zero-halogen flame-retardant polyolefin tight buffer material for optical fiber and preparation method thereof |
| CN103468165A (en) * | 2013-08-13 | 2013-12-25 | 蚌埠市鸿安精密机械有限公司 | Hot melt adhesive used for optical fiber cables |
| CN103571384A (en) * | 2013-10-24 | 2014-02-12 | 芜湖众力部件有限公司 | Modified ethylene-vinyl-acetate (eva) resin hot melt adhesive |
| CN103571392A (en) * | 2013-10-24 | 2014-02-12 | 芜湖众力部件有限公司 | Anti-corrosion hot melt adhesive for automotive upholstery |
| CN103571377A (en) * | 2013-10-24 | 2014-02-12 | 芜湖众力部件有限公司 | Anti-aging hot melt adhesive |
| CN103788892A (en) * | 2014-01-14 | 2014-05-14 | 安徽金门工贸有限公司 | Hot melt glue for optical fiber cable |
| CN103788893A (en) * | 2014-01-14 | 2014-05-14 | 安徽金门工贸有限公司 | Hot melt adhesive for medical dialyzing paper |
| CN103980849A (en) * | 2014-06-04 | 2014-08-13 | 福州大学 | EVA (ethylene-vinyl acetate) hot-melt adhesive material and preparation method thereof |
| CN105838298A (en) * | 2016-04-14 | 2016-08-10 | 上海政太纳米科技股份有限公司 | EVA hot melt adhesive used for fixing electronic element |
| CN107254023A (en) * | 2017-06-26 | 2017-10-17 | 四会市邦得利化工有限公司 | Preparation method and application of graft modified tackifying resin |
| CN108530877A (en) * | 2018-04-23 | 2018-09-14 | 谢新昇 | A kind of preparation method of modified polyurethane base conducting foam |
| CN108676507A (en) * | 2018-06-01 | 2018-10-19 | 广东环境保护工程职业学院 | A kind of response type wall paper hot melt adhesive film itself and preparation method |
| CN109401683A (en) * | 2018-10-25 | 2019-03-01 | 北京文盛印刷材料有限公司 | Adhesive bookbinding hot melt adhesive and preparation method thereof |
| CN110356075A (en) * | 2019-08-16 | 2019-10-22 | 杭州普络飞新材料科技有限公司 | A kind of VCM plate and its manufacturing method |
| CN110524987A (en) * | 2019-09-10 | 2019-12-03 | 陶浦汽车部件(苏州)有限公司 | A kind of reflection and heat insulation sunshade and preparation method thereof |
| CN110527483A (en) * | 2019-09-04 | 2019-12-03 | 无锡雅达科技有限公司 | A kind of organosilicon glue and its preparation and application |
| CN111713805A (en) * | 2020-06-19 | 2020-09-29 | 江苏伊贝实业股份有限公司 | Embroidery process of breathable hollowed-out bootleg of bootie |
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Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103289181A (en) * | 2013-07-08 | 2013-09-11 | 无锡杰科塑业有限公司 | Thermoplastic low-smoke zero-halogen flame-retardant polyolefin tight buffer material for optical fiber and preparation method thereof |
| CN103289181B (en) * | 2013-07-08 | 2015-07-15 | 无锡杰科塑业有限公司 | Thermoplastic low-smoke zero-halogen flame-retardant polyolefin tight buffer material for optical fiber and preparation method thereof |
| CN103468165A (en) * | 2013-08-13 | 2013-12-25 | 蚌埠市鸿安精密机械有限公司 | Hot melt adhesive used for optical fiber cables |
| CN103571384A (en) * | 2013-10-24 | 2014-02-12 | 芜湖众力部件有限公司 | Modified ethylene-vinyl-acetate (eva) resin hot melt adhesive |
| CN103571392A (en) * | 2013-10-24 | 2014-02-12 | 芜湖众力部件有限公司 | Anti-corrosion hot melt adhesive for automotive upholstery |
| CN103571377A (en) * | 2013-10-24 | 2014-02-12 | 芜湖众力部件有限公司 | Anti-aging hot melt adhesive |
| CN103571377B (en) * | 2013-10-24 | 2016-04-13 | 芜湖众力部件有限公司 | A kind of anti-aging hot melt adhesive |
| CN103571392B (en) * | 2013-10-24 | 2016-04-13 | 芜湖众力部件有限公司 | A kind of Anti-corrosion hot melt adhesive for automotive upholstery |
| CN103788892A (en) * | 2014-01-14 | 2014-05-14 | 安徽金门工贸有限公司 | Hot melt glue for optical fiber cable |
| CN103788893A (en) * | 2014-01-14 | 2014-05-14 | 安徽金门工贸有限公司 | Hot melt adhesive for medical dialyzing paper |
| CN103980849A (en) * | 2014-06-04 | 2014-08-13 | 福州大学 | EVA (ethylene-vinyl acetate) hot-melt adhesive material and preparation method thereof |
| CN103980849B (en) * | 2014-06-04 | 2015-12-02 | 福州大学 | A kind of EVA hot-melt adhesive material and preparation method thereof |
| CN105838298A (en) * | 2016-04-14 | 2016-08-10 | 上海政太纳米科技股份有限公司 | EVA hot melt adhesive used for fixing electronic element |
| CN107254023A (en) * | 2017-06-26 | 2017-10-17 | 四会市邦得利化工有限公司 | Preparation method and application of graft modified tackifying resin |
| CN107254023B (en) * | 2017-06-26 | 2018-06-29 | 四会市邦得利化工有限公司 | Preparation method and application of graft modified tackifying resin |
| CN108530877A (en) * | 2018-04-23 | 2018-09-14 | 谢新昇 | A kind of preparation method of modified polyurethane base conducting foam |
| CN108676507A (en) * | 2018-06-01 | 2018-10-19 | 广东环境保护工程职业学院 | A kind of response type wall paper hot melt adhesive film itself and preparation method |
| CN109401683A (en) * | 2018-10-25 | 2019-03-01 | 北京文盛印刷材料有限公司 | Adhesive bookbinding hot melt adhesive and preparation method thereof |
| CN109401683B (en) * | 2018-10-25 | 2020-08-21 | 北京文盛印刷材料有限公司 | Hot melt adhesive for book binding and preparation method thereof |
| CN110356075A (en) * | 2019-08-16 | 2019-10-22 | 杭州普络飞新材料科技有限公司 | A kind of VCM plate and its manufacturing method |
| CN110356075B (en) * | 2019-08-16 | 2021-05-18 | 杭州普络飞新材料科技有限公司 | VCM plate and manufacturing method thereof |
| CN110527483A (en) * | 2019-09-04 | 2019-12-03 | 无锡雅达科技有限公司 | A kind of organosilicon glue and its preparation and application |
| CN110524987A (en) * | 2019-09-10 | 2019-12-03 | 陶浦汽车部件(苏州)有限公司 | A kind of reflection and heat insulation sunshade and preparation method thereof |
| CN111713805A (en) * | 2020-06-19 | 2020-09-29 | 江苏伊贝实业股份有限公司 | Embroidery process of breathable hollowed-out bootleg of bootie |
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Application publication date: 20130515 |