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CN105038645A - Good-liquidity harmful-gas-free environmentally-friendly hot melt adhesive - Google Patents

Good-liquidity harmful-gas-free environmentally-friendly hot melt adhesive Download PDF

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Publication number
CN105038645A
CN105038645A CN201510461959.XA CN201510461959A CN105038645A CN 105038645 A CN105038645 A CN 105038645A CN 201510461959 A CN201510461959 A CN 201510461959A CN 105038645 A CN105038645 A CN 105038645A
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China
Prior art keywords
parts
resin
melt adhesive
hot melt
add
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Pending
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CN201510461959.XA
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Chinese (zh)
Inventor
毕全中
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Quanjiao Haifeng Printing Packaging Co Ltd
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Quanjiao Haifeng Printing Packaging Co Ltd
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Priority to CN201510461959.XA priority Critical patent/CN105038645A/en
Publication of CN105038645A publication Critical patent/CN105038645A/en
Pending legal-status Critical Current

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  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)

Abstract

The invention discloses a good-liquidity harmful-gas-free environmentally-friendly hot melt adhesive which is prepared from the following raw materials in parts by weight: 35-45 parts of EVA, 1-2 parts of dodecyl trimethyl ammonium chloride, 10-15 parts of nano fly ash, 10-20 parts of kieselguhr, 1-3 parts of tetraethylenepentamine, 4-8 parts of polycarbonate, 5-8 parts of starch, 0.1-0.5 part of benzoyl peroxide, 10-15 parts of octyl-phenolic curing resin, 1-2 parts of an anti-aging agent NBC, 1-2 parts of sodium polyacrylate, 10-18 parts of silicone rubber, 3-9 parts of phenolic resin and 10-20 parts of modified tackifying resin. According to the invention, resin and additives are reasonably compounded, so that the hot melt adhesive is good in liquidity, and high in softness and viscidity; through intercalated modifying, the mechanical property of rubber can be improved, thermal deformation temperature is increased, and water absorption is low, and thus when the rubber is used for preparing the hot melt adhesive, compatibility of all raw materials of the hot melt adhesive can be increased and viscosity and water resistance are improved.

Description

A kind of Environmental-friendhot hot melt adhesive not containing obnoxious flavour of good fluidity
Technical field
The invention belongs to binding agent field, particularly relate to a kind of Environmental-friendhot hot melt adhesive not containing obnoxious flavour of good fluidity.
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 Environmental-friendhot hot melt adhesive not containing obnoxious flavour of good fluidity.
The present invention adopts following technical scheme to achieve these goals:
A kind of Environmental-friendhot hot melt adhesive not containing obnoxious flavour of good fluidity, it is characterized in that, it is obtained by the raw material of following weight parts: EVA35-45, Dodecyl trimethyl ammonium chloride 1-2, nano flyash 10-15, diatomite 10-20, tetraethylene pentamine 1-3, polycarbonate 4-8, starch 5-8, benzoyl peroxide 0.1-0.5, Octylphenolic Curing Resin 10-15, antioxidant NBC 1-2, sodium polyacrylate 1-2, silicon rubber 10-18, resol 3-9, modified tacky resin 10-20;
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 Environmental-friendhot hot melt adhesive not containing obnoxious flavour of described a kind of good fluidity, is characterized in that: preparation method comprises the following steps:
(1) diatomite, appropriate amount of deionized water, Dodecyl trimethyl ammonium chloride mixing, fully disperse under 100-200 rev/min, dry after obtained compound size, then mix with silicon rubber, and twin screw extruder is extruded, and cools the composite modified material of intercalation is for subsequent use;
(2) kneader is preheated to wall temperature 190-200 DEG C; Then add EVA, polycarbonate, starch, benzoyl peroxide by weight, Octylphenolic Curing Resin, mediate 10-20min; After add the composite modified material of intercalation and surplus stock by weight, at 180-190 DEG C, mediate 8-10min, take out cool and get final product.
Beneficial effect of the present invention:
(1) each resin of the present invention and additive compound reasonable, good fluidity, soft viscosity is high, through intercalation modifying, can improve the mechanical property of rubber, 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.
(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 Environmental-friendhot hot melt adhesive not containing obnoxious flavour of good fluidity, it is obtained by the raw material of following weight (kg): EVA38, Dodecyl trimethyl ammonium chloride 1, nano flyash 10, diatomite 20, tetraethylene pentamine 1, polycarbonate 4, starch 8, benzoyl peroxide 0.1, Octylphenolic Curing Resin 10, antioxidant NBC 1, sodium polyacrylate 1, silicon rubber 18, resol 9, modified tacky resin 20;
Described modified tacky resin is obtained by the raw material of following weight (kg):
Waste PET fragment 50, zinc acetate 4, thiorubber 10, chloroprene rubber 5, alkyl phenolic resin 30, styrene resin 10, trimethyloctadecyl ammonium chloride 2, carbide slag 20, gac 4;
The preparation method of described modified tacky resin is:
(1) by after carbide slag, gac mixing, ultraviolet irradiation 9h, then in concentration be 8% 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 250 DEG C, insulation reaction 4h; 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 Environmental-friendhot hot melt adhesive not containing obnoxious flavour of described a kind of good fluidity, preparation method comprises the following steps:
(1) diatomite, appropriate amount of deionized water, Dodecyl trimethyl ammonium chloride mixing, fully disperse under 200 revs/min, dry after obtained compound size, then mix with silicon rubber, and twin screw extruder is extruded, and cools the composite modified material of intercalation is for subsequent use;
(2) kneader is preheated to wall temperature 200 DEG C; Then add EVA, polycarbonate, starch, benzoyl peroxide by weight, Octylphenolic Curing Resin, mediate 20min; After add the composite modified material of intercalation and surplus stock by weight, at 190 DEG C, mediate 10min, take out cool and get final product.
The apparent viscosity of the hot melt adhesive of the present embodiment is 5500MPa.s, stripping strength 55N/2.5cm, and initial bonding strength reaches No. 5 steel balls, open hour 44s, and within 24 hours, thermally-stabilised proterties is stablized.

Claims (2)

1. the Environmental-friendhot hot melt adhesive not containing obnoxious flavour of a good fluidity, it is characterized in that, it is obtained by the raw material of following weight parts: EVA35-45, Dodecyl trimethyl ammonium chloride 1-2, nano flyash 10-15, diatomite 10-20, tetraethylene pentamine 1-3, polycarbonate 4-8, starch 5-8, benzoyl peroxide 0.1-0.5, Octylphenolic Curing Resin 10-15, antioxidant NBC 1-2, sodium polyacrylate 1-2, silicon rubber 10-18, resol 3-9, modified tacky resin 10-20;
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 Environmental-friendhot hot melt adhesive not containing obnoxious flavour of a kind of good fluidity according to claim 1, is characterized in that: preparation method comprises the following steps:
(1) diatomite, appropriate amount of deionized water, Dodecyl trimethyl ammonium chloride mixing, fully disperse under 100-200 rev/min, dry after obtained compound size, then mix with silicon rubber, and twin screw extruder is extruded, and cools the composite modified material of intercalation is for subsequent use;
(2) kneader is preheated to wall temperature 190-200 DEG C; Then add EVA, polycarbonate, starch, benzoyl peroxide by weight, Octylphenolic Curing Resin, mediate 10-20min; After add the composite modified material of intercalation and surplus stock by weight, at 180-190 DEG C, mediate 8-10min, take out cool and get final product.
CN201510461959.XA 2015-07-31 2015-07-31 Good-liquidity harmful-gas-free environmentally-friendly hot melt adhesive Pending CN105038645A (en)

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Application Number Priority Date Filing Date Title
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CN105038645A true CN105038645A (en) 2015-11-11

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105400457A (en) * 2015-12-28 2016-03-16 任新界 Cigarette lap adhesive capable of giving off fragrance and preparation method thereof
CN111237728A (en) * 2020-02-14 2020-06-05 厦门普为光电科技有限公司 Protection system for lamp tube
CN114190649A (en) * 2021-12-22 2022-03-18 广州大草原鞋业有限公司 Manufacturing process of waterproof climbing shoes

Citations (6)

* Cited by examiner, † Cited by third party
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105400457A (en) * 2015-12-28 2016-03-16 任新界 Cigarette lap adhesive capable of giving off fragrance and preparation method thereof
CN105400457B (en) * 2015-12-28 2017-07-07 任新界 It is a kind of can be with the cigarette overlapping glue of emanating faint scent and preparation method
CN111237728A (en) * 2020-02-14 2020-06-05 厦门普为光电科技有限公司 Protection system for lamp tube
CN114190649A (en) * 2021-12-22 2022-03-18 广州大草原鞋业有限公司 Manufacturing process of waterproof climbing shoes

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Application publication date: 20151111