CN105038644A - Highly-water-resistant nanometer-material-containing hot melt adhesive for packaging paper - Google Patents
Highly-water-resistant nanometer-material-containing hot melt adhesive for packaging paper Download PDFInfo
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- CN105038644A CN105038644A CN201510461839.XA CN201510461839A CN105038644A CN 105038644 A CN105038644 A CN 105038644A CN 201510461839 A CN201510461839 A CN 201510461839A CN 105038644 A CN105038644 A CN 105038644A
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Abstract
The invention discloses a highly-water-resistant nanometer-material-containing hot melt adhesive for packaging paper. The hot melt adhesive is prepared from the following raw materials in parts by weight: 85-100 parts of EVA, 10-20 parts of modified tackifying resin, 1-2 parts of dodecyl trimethyl ammonium chloride, 10-20 parts of rosin pentaerythritol ester, 20-30 parts of C5 petroleum resin, 1-3 parts of sulphur powder, 25-35 parts of nano calcium carbonate, 1-2 parts of an accelerant TMTD, 1-2 parts of an accelerant TETD, 1-2 parts of ferrocene, 5-10 parts of nano silica, 10-20 parts of polyethylene wax, 2-4 parts of tri-octyl tri-meta-benzoate and 1-3 parts of caprolactam. Since the hot melt adhesive provided by the invention adopts a novel formula and contains nano-powder, the hot melt adhesive not only has relatively high bonding strength, and in addition, the water resistance of the product namely the hot melt adhesive is improved greatly.
Description
Technical field
The invention belongs to binding agent field, particularly relate to a kind of high waterproof and contain nano material wrapping paper hot melt adhesive.
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 high waterproof and contain nano material wrapping paper hot melt adhesive.
The present invention adopts following technical scheme to achieve these goals:
A kind of high waterproof contains nano material wrapping paper hot melt adhesive, it is characterized in that, it is obtained by the raw material of following weight parts: EVA85-100, modified tacky resin 10-20, Dodecyl trimethyl ammonium chloride 1-2, pentalyn 10-20, C5 petroleum resin 20-30, SULPHUR POWDER 1-3, nano-calcium carbonate 25-35, Vulcanization accelerator TMTD 1-2, acceterator TE TD1-2, ferrocene 1-2, nano silicon 5-10, polyethylene wax 10-20, trioctyl trimellitate 2-4, hexanolactam 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 high waterproof of described one contains nano material wrapping paper hot melt adhesive, it is characterized in that: preparation method comprises the following steps:
(1) nano silicon, appropriate amount of deionized water, Dodecyl trimethyl ammonium chloride mixing, fully disperse under 300-500 rev/min, dry after obtained compound size, then mix with modified tacky resin, 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, pentalyn, C5 petroleum resin by weight, mediate 10-20min; After add the composite modified material of intercalation and surplus stock by weight, at 180-190 DEG C, mediate 20-30min, take out cool and get final product.
Beneficial effect of the present invention:
(1) hot melt adhesive of the present invention is due to the new formulation adopted, and containing nano-powder, not only has higher cohesive strength, and greatly increases the water resistance of product hot melt adhesive.Through intercalation modifying, can improve the mechanical property of resin, 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 high waterproof contains nano material wrapping paper hot melt adhesive, it is obtained by the raw material of following weight (kg): EVA85, modified tacky resin 20, Dodecyl trimethyl ammonium chloride 1, pentalyn 20, C5 petroleum resin 20, SULPHUR POWDER 3, nano-calcium carbonate 35, Vulcanization accelerator TMTD 1, acceterator TE TD2, ferrocene 1, nano silicon 10, polyethylene wax 10, trioctyl trimellitate 4, hexanolactam 1;
Described modified tacky resin is obtained by the raw material of following weight (kg):
Waste PET fragment 42, zinc acetate 3, thiorubber 10, chloroprene rubber 5, alkyl phenolic resin 20, styrene resin 5, trimethyloctadecyl ammonium chloride 2, carbide slag 10, gac 4;
The preparation method of described modified tacky resin is:
(1) by after carbide slag, gac mixing, ultraviolet irradiation 12h, 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 3h; Be cooled to 200 DEG C, then add thiorubber, chloroprene rubber, alkyl phenolic resin, styrene resin, stirring reaction 18min; Add the composite powder of modification and all the other raw materials again, after stirring 1h, discharging cooling stripping and slicing.
The high waterproof of described one contains nano material wrapping paper hot melt adhesive, and preparation method comprises the following steps:
(1) nano silicon, appropriate amount of deionized water, Dodecyl trimethyl ammonium chloride mixing, fully disperse under 500 revs/min, dry after obtained compound size, then mix with modified tacky resin, 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, pentalyn, C5 petroleum resin by weight, mediate 20min; After add the composite modified material of intercalation and surplus stock by weight, at 180 DEG C, mediate 30min, take out cool and get final product.
The apparent viscosity of the hot melt adhesive of the present embodiment is 4900MPa.s, stripping strength 56N/2.5cm, and initial bonding strength reaches No. 5 steel balls, open hour 36s, and within 24 hours, thermally-stabilised proterties is stablized.
Claims (2)
1. a high waterproof contains nano material wrapping paper hot melt adhesive, it is characterized in that, it is obtained by the raw material of following weight parts: EVA85-100, modified tacky resin 10-20, Dodecyl trimethyl ammonium chloride 1-2, pentalyn 10-20, C5 petroleum resin 20-30, SULPHUR POWDER 1-3, nano-calcium carbonate 25-35, Vulcanization accelerator TMTD 1-2, acceterator TE TD1-2, ferrocene 1-2, nano silicon 5-10, polyethylene wax 10-20, trioctyl trimellitate 2-4, hexanolactam 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 high waterproof of one according to claim 1 contains nano material wrapping paper hot melt adhesive, it is characterized in that: preparation method comprises the following steps:
(1) nano silicon, appropriate amount of deionized water, Dodecyl trimethyl ammonium chloride mixing, fully disperse under 300-500 rev/min, dry after obtained compound size, then mix with modified tacky resin, 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, pentalyn, C5 petroleum resin by weight, mediate 10-20min; After add the composite modified material of intercalation and surplus stock by weight, at 180-190 DEG C, mediate 20-30min, take out cool and get final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510461839.XA CN105038644A (en) | 2015-07-31 | 2015-07-31 | Highly-water-resistant nanometer-material-containing hot melt adhesive for packaging paper |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510461839.XA CN105038644A (en) | 2015-07-31 | 2015-07-31 | Highly-water-resistant nanometer-material-containing hot melt adhesive for packaging paper |
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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 CN201510461839.XA patent/CN105038644A/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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