CN105038647A - High-adhesive strength packaging hot melt glue - Google Patents
High-adhesive strength packaging hot melt glue Download PDFInfo
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- CN105038647A CN105038647A CN201510462002.7A CN201510462002A CN105038647A CN 105038647 A CN105038647 A CN 105038647A CN 201510462002 A CN201510462002 A CN 201510462002A CN 105038647 A CN105038647 A CN 105038647A
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Abstract
The invention discloses high-adhesive strength packaging hot melt glue. The high-adhesive strength packaging 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, 1-2 parts of diethylenetriamine, 1-2 parts of dodecyl trimethyl ammonium chloride, 0.1-0.3 part of konjac glucomannan, 23-35 parts of light calcium carbonate, 10-20 parts of neoprene, 1-3 parts of dibutyl phthalate, 5-10 parts of nano kieselguhr, 1-2 parts of epoxidized soybean oil, 1-2 parts of dibutyltin dilaurate, 3-5 parts of polyisobutylene rubber, 8-12 parts of acrylic rubber and 8-15 parts of polysulfone resin. According to the high-adhesive strength packaging hot melt glue, polyisobutylene rubber, acrylic rubber, polysulfone resin polymer and modified tackifying resin are copolymerized into tackifying resin, so that the initial viscous force and affinity of the hot melt glue are improved; inorganic nano kieselguhr, konjac glucomannan and light calcium carbonate are added, so that the mechanical and thermal properties, adsorbability and persistent adhesive strength of the hot melt glue are strengthened.
Description
Technical field
The invention belongs to binding agent field, particularly relate to a kind of packing hot-fusible glue of high cohesive force.
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 packing hot-fusible glue of high cohesive force.
The present invention adopts following technical scheme to achieve these goals:
A kind of packing hot-fusible glue of high cohesive force, it is characterized in that, it is obtained by the raw material of following weight parts: EVA65-70, modified tacky resin 10-20, diethylenetriamine 1-2, Dodecyl trimethyl ammonium chloride 1-2, Rhizoma amorphophalli glucomannan 0.1-0.3, light calcium carbonate 23-35, chloroprene rubber 10-20, dibutyl phthalate 1-3, nano diatomite 5-10, epoxy soybean oil 1-2, dibutyl tin laurate 1-2, polyisobutene glue 3-5, acrylic elastomer 8-12, polysulfone resin 8-15;
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 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 packing hot-fusible glue of described a kind of high cohesive force, is characterized in that: preparation method comprises the following steps:
(1) nano diatomite, deionized water, Dodecyl trimethyl ammonium chloride mixing, fully disperse under 200-300 rev/min, dry after obtained compound size, then mix with acrylic elastomer, and twin screw extruder is extruded, and cools to obtain intercalation rubber mass;
(2) kneader is preheated to wall temperature 180-190 DEG C;
(3) then add EVA, modified tacky resin, intercalation rubber mass by weight, mediate 15-25min;
(4) add surplus stock by weight after, at 170-190 DEG C, mediate 20-30min, take out and cool and get final product.
Beneficial effect of the present invention:
(1) the present invention is with polyisobutene glue, acrylic elastomer, polysulfone resin multipolymer and modified tacky resin copolymerization for tackifying resin, improves initial bonding strength and the avidity of hot melt adhesive; Add inorganic nano diatomite, Rhizoma amorphophalli glucomannan, light calcium carbonate, increase mechanics, thermal property, adsorptivity and the lasting bonding force of hot melt adhesive.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 packing hot-fusible glue of high cohesive force, it is obtained by the raw material of following weight (kg): EVA65, modified tacky resin 10, diethylenetriamine 1, Dodecyl trimethyl ammonium chloride 1, Rhizoma amorphophalli glucomannan 0.1, light calcium carbonate 23, chloroprene rubber 10, dibutyl phthalate 1, nano diatomite 10, epoxy soybean oil 1, dibutyl tin laurate 1, polyisobutene glue 3, acrylic elastomer 10, polysulfone resin 10;
Described modified tacky resin is obtained by the raw material of following weight (kg):
Waste PET fragment 40, zinc acetate 4, 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 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, 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 260 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 1h, discharging cooling stripping and slicing.
The packing hot-fusible glue of described a kind of high cohesive force, preparation method comprises the following steps:
(1) nano diatomite, deionized water, Dodecyl trimethyl ammonium chloride mixing, fully disperse under 200 revs/min, dry after obtained compound size, then mix with acrylic elastomer, and twin screw extruder is extruded, and cools to obtain intercalation rubber mass;
(2) kneader is preheated to wall temperature 180 DEG C;
(3) then add EVA, modified tacky resin, intercalation rubber mass by weight, mediate 25min;
(4) add 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 5100MPa.s, stripping strength 54N/2.5cm, and initial bonding strength reaches No. 5 steel balls, open hour 39s, and within 24 hours, thermally-stabilised proterties is stablized.
Claims (2)
1. the packing hot-fusible glue of a high cohesive force, it is characterized in that, it is obtained by the raw material of following weight parts: EVA65-70, modified tacky resin 10-20, diethylenetriamine 1-2, Dodecyl trimethyl ammonium chloride 1-2, Rhizoma amorphophalli glucomannan 0.1-0.3, light calcium carbonate 23-35, chloroprene rubber 10-20, dibutyl phthalate 1-3, nano diatomite 5-10, epoxy soybean oil 1-2, dibutyl tin laurate 1-2, polyisobutene glue 3-5, acrylic elastomer 8-12, polysulfone resin 8-15;
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 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. the packing hot-fusible glue of a kind of high cohesive force according to claim 1, is characterized in that: preparation method comprises the following steps:
(1) nano diatomite, deionized water, Dodecyl trimethyl ammonium chloride mixing, fully disperse under 200-300 rev/min, dry after obtained compound size, then mix with acrylic elastomer, and twin screw extruder is extruded, and cools to obtain intercalation rubber mass;
(2) kneader is preheated to wall temperature 180-190 DEG C;
(3) then add EVA, modified tacky resin, intercalation rubber mass by weight, mediate 15-25min;
(4) add surplus stock by weight after, at 170-190 DEG C, mediate 20-30min, take out and cool and get final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510462002.7A CN105038647A (en) | 2015-07-31 | 2015-07-31 | High-adhesive strength packaging hot melt glue |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510462002.7A CN105038647A (en) | 2015-07-31 | 2015-07-31 | High-adhesive strength packaging hot melt glue |
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| CN105038647A true CN105038647A (en) | 2015-11-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107698760A (en) * | 2017-10-21 | 2018-02-16 | 芮志行 | A kind of preparation method of aging-resisting type shape memory polyimides |
| CN108843895A (en) * | 2018-08-03 | 2018-11-20 | 滁州银兴新材料科技有限公司 | A kind of back edge sealing type vacuum heat-insulating plate |
Citations (4)
| 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 |
| 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 CN201510462002.7A patent/CN105038647A/en active Pending
Patent Citations (4)
| 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 |
| CN104086956A (en) * | 2014-07-08 | 2014-10-08 | 彭朕财 | PET(PETG) (poly(ethylene terephthalate)(polyethylene terephthalate glycol)) tackifying and toughening agent |
Non-Patent Citations (1)
| Title |
|---|
| 李和平: "《胶黏剂生产原理与技术》", 31 August 2009, 化学工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107698760A (en) * | 2017-10-21 | 2018-02-16 | 芮志行 | A kind of preparation method of aging-resisting type shape memory polyimides |
| CN108843895A (en) * | 2018-08-03 | 2018-11-20 | 滁州银兴新材料科技有限公司 | A kind of back edge sealing type vacuum heat-insulating plate |
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