CN105038649A - Acid, alkali and salt medium corrosion-resistant hot melt glue - Google Patents
Acid, alkali and salt medium corrosion-resistant hot melt glue Download PDFInfo
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- CN105038649A CN105038649A CN201510462244.6A CN201510462244A CN105038649A CN 105038649 A CN105038649 A CN 105038649A CN 201510462244 A CN201510462244 A CN 201510462244A CN 105038649 A CN105038649 A CN 105038649A
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Abstract
The invention discloses acid, alkali and salt medium corrosion-resistant hot melt glue. The acid, alkali and salt medium corrosion-resistant hot melt glue is prepared from the following raw materials in parts by weight: 45-50 parts of EVA, 5-8 parts of ethylene propylene diene monomer, 20-25 parts of modified tackifying resin, 1-2 parts of dodecyl trimethyl ammonium chloride, 20-30 parts of kieselguhr, 5-10 parts of nanoscale silicon dioxide, 5-7 parts of polyisobutene, 1-2 parts of fatty acid, 10-15 parts of resin 2402, 2-5 parts of trioctyl trimellitate, 1-2 parts of sulphur, 1-2 parts of an accelerant CZ and 1-3 parts of polypropylene glycol adipate. According to the acid, alkali and salt medium corrosion-resistant hot melt glue, intercalation modification is carried out on resin through the addition of nanoscale silicon dioxide, so that the obtained hot melt glue has the advantages of being good in acid and alkali resistance and heat stability, heat resistant, cold resistant, quick in curing, and the like, and can be widely applied to package product gluing.
Description
Technical field
The invention belongs to binding agent field, particularly relate to the hot melt adhesive of a kind of acid and alkali-resistance salt medium corrosion.
Background technology
EVA hot-melt adhesive is formulated by EVA resin, tackifier, softening agent, antioxidant, filler etc.In society now, EVA hot-melt adhesive applied range, consumption are maximum.It has excellent adhesiveproperties, nearly all has hot sticky relay to various material; Excellent electric property; And its melt viscosity is low, applying glue is convenient; With the feature such as the consistency of other Synergist S-421 95s is good.EVA hot-melt adhesive has been widely used in shaping, many fields such as automobile and building materials of the bookbinding of books, bonding, ceramic etc. the reparation of the packaging, plastics etc. of food, mounting, clothes and shoes and hats.Because EVA resin is a kind of thermoplastic resin, high and low temperature resistance is limited, softening temperature is low, and main auxiliary material tackifier are all the polymkeric substance of molecular weight mostly, just play reduction melt viscosity, improve the effect of wetting ability and initial cohesiveness, itself is high-low temperature resistant not, causes the shortcoming of EVA hot-melt adhesive not high-low temperature resistant; Simultaneously also there is lower, the not resistance to fatty oil of adhesiveproperties, easily produce skinning and be not suitable for the shortcomings such as big area coating is bonding in EVA hot-melt adhesive.
At present, along with developing rapidly of PET industry, waste PET quantity also increases thereupon, thus brings serious pollution to environment.How to recycle waste PET, become one of focus of research at present.PET reclaims and mainly comprises physiochemical mutagens and chemical recovery two kinds of methods, physiochemical mutagens method cost is lower, but after physiochemical mutagens, the Mr(relative molecular mass of material) and limiting viscosity all reduce, the PET product be made up of physiochemical mutagens material can not be reused this way and recycle; Chemical recovery makes PET generate micromolecular compound by chemical reaction, and the performance of this method products therefrom is more excellent.Chemical recovery technique can be divided into hydrolysis, ammonia solution and alcoholysis etc. (wherein alcoholysis process is chemical recovery technique relatively more conventional at present), as Pereira etc. utilizes the polyester of degraded to make tensio-active agent.
Summary of the invention
The object of this invention is to provide the hot melt adhesive of a kind of acid and alkali-resistance salt medium corrosion.
The present invention adopts following technical scheme to achieve these goals:
A kind of hot melt adhesive of acid and alkali-resistance salt medium corrosion, it is characterized in that, it is obtained by the raw material of following weight parts: EVA45-50, terpolymer EP rubber 5-8, modified tacky resin 20-25, Dodecyl trimethyl ammonium chloride 1-2, diatomite 20-30, nanometer grade silica 5-10, polyisobutene 5-7, lipid acid 1-2,2402 resin 10-15, trioctyl trimellitate 2-5, sulphur 1-2, accelerant CZ 1-2, polypropylene adipate (PPA) 1-3;
Described modified tacky resin is obtained by the raw material of following weight parts:
Waste PET fragment 40-50, zinc acetate 3-4, thiorubber 10-15, chloroprene rubber 5-7, alkyl phenolic resin 20-30, styrene resin 5-10, trimethyloctadecyl ammonium chloride 1-2, carbide slag 10-20, gac 2-4;
The preparation method of described modified tacky resin is:
(1) by after carbide slag, gac mixing, ultraviolet irradiation 8-12h, then in concentration be 5-8% hydrochloric acid soln in soak 10-12h, solid-liquid separation is carried out to soak solution, dry, obtain the composite powder of modification for subsequent use;
(2) washing, dried waste PET fragment are joined in reactor in proportion, then add zinc acetate; Slowly be warming up to zinc acetate under nitrogen protection when dissolving completely, warming while stirring to 230-250 DEG C, insulation reaction 3-4h; Be cooled to 200-210 DEG C, then add thiorubber, chloroprene rubber, alkyl phenolic resin, styrene resin, stirring reaction 10-20min; Add the composite powder of modification and all the other raw materials again, after stirring 1-2h, discharging cooling stripping and slicing.
The hot melt adhesive of described a kind of acid and alkali-resistance salt medium corrosion, is characterized in that: preparation method comprises the following steps:
(1) nanometer grade silica, Dodecyl trimethyl ammonium chloride add appropriate amount of deionized water mixing, fully disperse under 100-200 rev/min, dry after obtained compound size, then mix with polyisobutene, 2402 resins, twin screw extruder is extruded, and cools intercalation modifying material is for subsequent use;
(2) kneader is preheated to wall temperature 160-180 DEG C, then adds EVA, trioctyl trimellitate, terpolymer EP rubber by weight, mediates 10-20min;
(3) add intercalation modifying material and surplus stock by weight after, at 180-190 DEG C, mediate 30-40min, take out and cool and get final product.
Beneficial effect of the present invention:
(1) the present invention carries out intercalation modifying by adding nano silicon to resin, and the advantages such as gained hot melt adhesive has that resistance to acids and bases is good, good thermal stability, heat-resisting, cold-resistant, quick solidifying, have a wide range of applications in wrapped product gluing.
(2) through intercalation modifying, can improve the mechanical property of nylon, heat-drawn wire improves, and water-absorbent is low, use it to prepare consistency that hot melt adhesive can increase each raw material of hot melt adhesive, improves viscosity and water-repellancy.
(3) modified tacky resin batching rationally, the composite powder of modification wherein contains carbide slag, turn waste into wealth, can carbide slag sterilization be given by uv irradiation again, the hole of carbide slag, gac can be increased simultaneously, strengthen the avidity with resin, ageing-resistant, resistance to air loss is good, not only significantly improves the properties of hot melt adhesive with the composite powder of modification as the new raw material of hot melt adhesive, and has made new contribution for environmental protection.
(4) waste PET fragment by degraded after, then with all the other tackifying resins and the good melting of the composite powder of modification, obtained tackifying resin viscosity is high, and hardness strength performance satisfies the demands; Composite powder can be better dispersed in PET and remaining resin by modified, can increase the tensile strength of sizing material, hardness, nontoxic pollution-free; The present invention successfully by pet waste for the preparation of in hot melt adhesive, obtained hot melt adhesive can meet the sizing agent demand in each field, environmental protection, economy, useful environment.
embodiment,
A kind of hot melt adhesive of acid and alkali-resistance salt medium corrosion, it is obtained by the raw material of following weight (kg): EVA50, terpolymer EP rubber 8, modified tacky resin 20, Dodecyl trimethyl ammonium chloride 1, diatomite 30, nanometer grade silica 5, polyisobutene 5, lipid acid 1,2402 resin 15, trioctyl trimellitate 2, sulphur 1, accelerant CZ 1, polypropylene adipate (PPA) 1;
Described modified tacky resin is obtained by the raw material of following weight (kg):
Waste PET fragment 40, zinc acetate 3.5, thiorubber 10, chloroprene rubber 5, alkyl phenolic resin 20, styrene resin 5, trimethyloctadecyl ammonium chloride 1, carbide slag 10, gac 2;
The preparation method of described modified tacky resin is:
(1) by after carbide slag, gac mixing, ultraviolet irradiation 8h, then in concentration be 5% hydrochloric acid soln in soak 10h, solid-liquid separation is carried out to soak solution, dry, obtain the composite powder of modification for subsequent use;
Ultraviolet light source in uv irradiation adopts power 1000W, the high voltage mercury lamp fluorescent tube of spectral range 365-450nm, peak value 365nm;
(2) washing, dried waste PET fragment are joined in reactor in proportion, then add zinc acetate; Slowly be warming up to zinc acetate under nitrogen protection when dissolving completely, warming while stirring to 230 DEG C, insulation reaction 3h; Be cooled to 200 DEG C, then add thiorubber, chloroprene rubber, alkyl phenolic resin, styrene resin, stirring reaction 10min; Add the composite powder of modification and all the other raw materials again, after stirring 2h, discharging cooling stripping and slicing.
The hot melt adhesive of described a kind of acid and alkali-resistance salt medium corrosion, preparation method comprises the following steps:
(1) nanometer grade silica, Dodecyl trimethyl ammonium chloride add appropriate amount of deionized water mixing, fully disperse under 200 revs/min, dry after obtained compound size, then mix with polyisobutene, 2402 resins, twin screw extruder is extruded, and cools intercalation modifying material is for subsequent use;
(2) kneader is preheated to wall temperature 170 DEG C, then adds EVA, trioctyl trimellitate, terpolymer EP rubber by weight, mediates 10min;
(3) add intercalation modifying material and surplus stock by weight after, at 190 DEG C, mediate 30min, take out and cool and get final product.
The apparent viscosity of the hot melt adhesive of the present embodiment is 4900MPa.s, stripping strength 51N/2.5cm, and initial bonding strength reaches No. 5 steel balls, open hour 33s, and within 24 hours, thermally-stabilised proterties is stablized.
Claims (2)
1. the hot melt adhesive of an acid and alkali-resistance salt medium corrosion, it is characterized in that, it is obtained by the raw material of following weight parts: EVA45-50, terpolymer EP rubber 5-8, modified tacky resin 20-25, Dodecyl trimethyl ammonium chloride 1-2, diatomite 20-30, nanometer grade silica 5-10, polyisobutene 5-7, lipid acid 1-2,2402 resin 10-15, trioctyl trimellitate 2-5, sulphur 1-2, accelerant CZ 1-2, polypropylene adipate (PPA) 1-3;
Described modified tacky resin is obtained by the raw material of following weight parts:
Waste PET fragment 40-50, zinc acetate 3-4, thiorubber 10-15, chloroprene rubber 5-7, alkyl phenolic resin 20-30, styrene resin 5-10, trimethyloctadecyl ammonium chloride 1-2, carbide slag 10-20, gac 2-4;
The preparation method of described modified tacky resin is:
(1) by after carbide slag, gac mixing, ultraviolet irradiation 8-12h, then in concentration be 5-8% hydrochloric acid soln in soak 10-12h, solid-liquid separation is carried out to soak solution, dry, obtain the composite powder of modification for subsequent use;
(2) washing, dried waste PET fragment are joined in reactor in proportion, then add zinc acetate; Slowly be warming up to zinc acetate under nitrogen protection when dissolving completely, warming while stirring to 230-250 DEG C, insulation reaction 3-4h; Be cooled to 200-210 DEG C, then add thiorubber, chloroprene rubber, alkyl phenolic resin, styrene resin, stirring reaction 10-20min; Add the composite powder of modification and all the other raw materials again, after stirring 1-2h, discharging cooling stripping and slicing.
2. the hot melt adhesive of a kind of acid and alkali-resistance salt medium corrosion according to claim 1, is characterized in that: preparation method comprises the following steps:
(1) nanometer grade silica, Dodecyl trimethyl ammonium chloride add appropriate amount of deionized water mixing, fully disperse under 100-200 rev/min, dry after obtained compound size, then mix with polyisobutene, 2402 resins, twin screw extruder is extruded, and cools intercalation modifying material is for subsequent use;
(2) kneader is preheated to wall temperature 160-180 DEG C, then adds EVA, trioctyl trimellitate, terpolymer EP rubber by weight, mediates 10-20min;
(3) add intercalation modifying material and surplus stock by weight after, at 180-190 DEG C, mediate 30-40min, take out and cool and get final product.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510462244.6A CN105038649A (en) | 2015-07-31 | 2015-07-31 | Acid, alkali and salt medium corrosion-resistant hot melt glue |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510462244.6A CN105038649A (en) | 2015-07-31 | 2015-07-31 | Acid, alkali and salt medium corrosion-resistant hot melt glue |
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| CN105038649A true CN105038649A (en) | 2015-11-11 |
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| CN201510462244.6A Pending CN105038649A (en) | 2015-07-31 | 2015-07-31 | Acid, alkali and salt medium corrosion-resistant hot melt glue |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107936897A (en) * | 2017-11-23 | 2018-04-20 | 安徽清龙泉印刷科技股份有限公司 | A kind of resistance to preparation method for freezing adhesive sticker adhesive of acid and alkali-resistance |
| CN113980621A (en) * | 2021-11-05 | 2022-01-28 | 江苏恒达包装股份有限公司 | High-light-transmittance acid-alkali-resistant hot melt adhesive based on organic silicon-based material modification |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4552819A (en) * | 1982-10-12 | 1985-11-12 | Sumitomo Electric Industries, Ltd. | Adhesive and heat recoverable article having a layer of the adhesive |
| CN1222928A (en) * | 1996-06-21 | 1999-07-14 | 阿托芬德利公司 | Hydrophilic hot melt adhesive |
| JP2002173654A (en) * | 2000-12-05 | 2002-06-21 | Taoka Chem Co Ltd | Hot-melt adhesive composition |
| CN103214984A (en) * | 2013-04-17 | 2013-07-24 | 安徽金门工贸有限公司 | Holt melt adhesive containing nanometer iron ore tailing powder |
| CN103571387A (en) * | 2013-10-24 | 2014-02-12 | 芜湖众力部件有限公司 | Special hot melt adhesive for automotive upholstery |
| CN104086956A (en) * | 2014-07-08 | 2014-10-08 | 彭朕财 | PET(PETG) (poly(ethylene terephthalate)(polyethylene terephthalate glycol)) tackifying and toughening agent |
-
2015
- 2015-07-31 CN CN201510462244.6A patent/CN105038649A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4552819A (en) * | 1982-10-12 | 1985-11-12 | Sumitomo Electric Industries, Ltd. | Adhesive and heat recoverable article having a layer of the adhesive |
| CN1222928A (en) * | 1996-06-21 | 1999-07-14 | 阿托芬德利公司 | Hydrophilic hot melt adhesive |
| JP2002173654A (en) * | 2000-12-05 | 2002-06-21 | Taoka Chem Co Ltd | Hot-melt adhesive composition |
| CN103214984A (en) * | 2013-04-17 | 2013-07-24 | 安徽金门工贸有限公司 | Holt melt adhesive containing nanometer iron ore tailing powder |
| CN103571387A (en) * | 2013-10-24 | 2014-02-12 | 芜湖众力部件有限公司 | Special hot melt adhesive for automotive upholstery |
| CN104086956A (en) * | 2014-07-08 | 2014-10-08 | 彭朕财 | PET(PETG) (poly(ethylene terephthalate)(polyethylene terephthalate glycol)) tackifying and toughening agent |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107936897A (en) * | 2017-11-23 | 2018-04-20 | 安徽清龙泉印刷科技股份有限公司 | A kind of resistance to preparation method for freezing adhesive sticker adhesive of acid and alkali-resistance |
| CN113980621A (en) * | 2021-11-05 | 2022-01-28 | 江苏恒达包装股份有限公司 | High-light-transmittance acid-alkali-resistant hot melt adhesive based on organic silicon-based material modification |
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