CN105038650A - Heat-resistant styrene resin-containing hot melt glue - Google Patents
Heat-resistant styrene resin-containing hot melt glue Download PDFInfo
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- CN105038650A CN105038650A CN201510462324.1A CN201510462324A CN105038650A CN 105038650 A CN105038650 A CN 105038650A CN 201510462324 A CN201510462324 A CN 201510462324A CN 105038650 A CN105038650 A CN 105038650A
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Abstract
The invention discloses heat-resistant styrene resin-containing hot melt glue. The hot melt glue is prepared from the following raw materials in parts by weight: 65-70 parts of EVA, 10-20 parts of modified tackifying resin, 1-3 parts of cetyl trimethyl ammonium bromide, 5-10 parts of styrene resin, 10-15 parts of xylene formaldehyde resin, 1.3-1.5 parts of a crosslinking agent TAC, 15-20 parts of neoprene, 1-2 parts of paraffin oil, 0.5-0.8 part of sodium carboxymethylcellulose, 2-5 parts of epoxidized soybean oil, 25-30 parts of nano potassium feldspar powder, 1.3-1.9 parts of casein and 1.5-1.9 parts of citric acid. According to the heat-resistant styrene resin-containing hot melt glue, the heat resistance of the hot melt glue can be improved through the usage of nano potassium feldspar powder and casein; styrene resin and neoprene are subjected to intercalation modification, so that the mechanical property of the resin can be improved, the heat deflection temperature is increased, the water-absorbing property is low, and when the resin subjected to intercalation modification is used to prepare the hot melt glue, the compatibility among the raw materials of the hot melt glue is strengthened, and the viscosity, heat resistance and waterpfoofness of the hot melt glue are improved.
Description
Technical field
The invention belongs to binding agent field, particularly relate to a kind of heat-resisting hot melt adhesive containing styrene resin.
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 a kind of heat-resisting hot melt adhesive containing styrene resin.
The present invention adopts following technical scheme to achieve these goals:
A kind of heat-resisting hot melt adhesive containing styrene resin, it is characterized in that, it is obtained by the raw material of following weight parts: EVA65-70, modified tacky resin 10-20, cetyl trimethylammonium bromide 1-3, styrene resin 5-10, xylene formaldehyde resin 10-15, linking agent TAC1.3-1.5, chloroprene rubber 15-20, paraffin oil 1-2, Xylo-Mucine 0.5-0.8, epoxy soybean oil 2-5, Nanometer potash feldspar powder 25-30, casein 1.3-1.9, citric acid 1.5-1.9;
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 220-260 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 described a kind of heat-resisting hot melt adhesive containing styrene resin, is characterized in that: preparation method comprises the following steps:
(1) Nanometer potash feldspar powder, cetyl trimethylammonium bromide add suitable quantity of water mixing, fully disperse under 100-200 rev/min, dry after obtained compound size, then mix with styrene resin, chloroprene rubber, twin screw extruder is extruded, and cools intercalation material is for subsequent use;
(2) kneader is preheated to wall temperature 190-200 DEG C;
(3) then add EVA, xylene formaldehyde resin, linking agent TAC by weight, mediate 10-12min;
(4) add surplus stock and intercalation material at kneader by weight after, at 180-190 DEG C, mediate 12-20min, take out and cool and get final product.
Beneficial effect of the present invention:
(1) use of Nanometer potash feldspar powder, casein can promote thermotolerance of the present invention; Styrene resin, chloroprene rubber, through intercalation modifying, can improve the mechanical property of resin, and 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, improve viscosity and thermotolerance and water-repellancy.
(2) 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.
(3) 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 heat-resisting hot melt adhesive containing styrene resin, it is obtained by the raw material of following weight (kg): EVA65, modified tacky resin 10, cetyl trimethylammonium bromide 1, styrene resin 10, xylene formaldehyde resin 10, linking agent TAC1.3, chloroprene rubber 20, paraffin oil 2, Xylo-Mucine 0.5, epoxy soybean oil 2, Nanometer potash feldspar powder 25, casein 1.5, citric acid 1.5;
Described modified tacky resin is obtained by the raw material of following weight (kg):
Waste PET fragment 40, zinc acetate 3, thiorubber 10, chloroprene rubber 5, alkyl phenolic resin 20, styrene resin 10, 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 12h, then in concentration be 6% 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, 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 210 DEG C, then add thiorubber, chloroprene rubber, alkyl phenolic resin, styrene resin, stirring reaction 20min; Add the composite powder of modification and all the other raw materials again, after stirring 2h, discharging cooling stripping and slicing.
The described a kind of heat-resisting hot melt adhesive containing styrene resin, preparation method comprises the following steps:
(1) Nanometer potash feldspar powder, cetyl trimethylammonium bromide add suitable quantity of water mixing, fully disperse under 180 revs/min, dry after obtained compound size, then mix with styrene resin, chloroprene rubber, and twin screw extruder is extruded, and cools intercalation material is for subsequent use;
(2) kneader is preheated to wall temperature 190 DEG C;
(3) then add EVA, xylene formaldehyde resin, linking agent TAC by weight, mediate 10min;
(4) add surplus stock and intercalation material at kneader by weight after, at 185 DEG C, mediate 20min, 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 50N/2.5cm, and initial bonding strength reaches No. 5 steel balls, open hour 34s, and within 24 hours, thermally-stabilised proterties is stablized.
Claims (2)
1. a heat-resisting hot melt adhesive containing styrene resin, it is characterized in that, it is obtained by the raw material of following weight parts: EVA65-70, modified tacky resin 10-20, cetyl trimethylammonium bromide 1-3, styrene resin 5-10, xylene formaldehyde resin 10-15, linking agent TAC1.3-1.5, chloroprene rubber 15-20, paraffin oil 1-2, Xylo-Mucine 0.5-0.8, epoxy soybean oil 2-5, Nanometer potash feldspar powder 25-30, casein 1.3-1.9, citric acid 1.5-1.9;
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 220-260 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. a kind of heat-resisting hot melt adhesive containing styrene resin according to claim 1, is characterized in that: preparation method comprises the following steps:
(1) Nanometer potash feldspar powder, cetyl trimethylammonium bromide add suitable quantity of water mixing, fully disperse under 100-200 rev/min, dry after obtained compound size, then mix with styrene resin, chloroprene rubber, twin screw extruder is extruded, and cools intercalation material is for subsequent use;
(2) kneader is preheated to wall temperature 190-200 DEG C;
(3) then add EVA, xylene formaldehyde resin, linking agent TAC by weight, mediate 10-12min;
(4) add surplus stock and intercalation material at kneader by weight after, at 180-190 DEG C, mediate 12-20min, take out and cool and get final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510462324.1A CN105038650A (en) | 2015-07-31 | 2015-07-31 | Heat-resistant styrene resin-containing hot melt glue |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510462324.1A CN105038650A (en) | 2015-07-31 | 2015-07-31 | Heat-resistant styrene resin-containing hot melt glue |
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| CN105038650A true CN105038650A (en) | 2015-11-11 |
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| CN201510462324.1A Pending CN105038650A (en) | 2015-07-31 | 2015-07-31 | Heat-resistant styrene resin-containing hot melt glue |
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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 CN201510462324.1A patent/CN105038650A/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 |
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Application publication date: 20151111 |
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