CN102559128A - Formula of oil-resistant hot melt adhesive and production process of hot melt adhesive - Google Patents
Formula of oil-resistant hot melt adhesive and production process of hot melt adhesive Download PDFInfo
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- CN102559128A CN102559128A CN201010599057XA CN201010599057A CN102559128A CN 102559128 A CN102559128 A CN 102559128A CN 201010599057X A CN201010599057X A CN 201010599057XA CN 201010599057 A CN201010599057 A CN 201010599057A CN 102559128 A CN102559128 A CN 102559128A
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Abstract
The invention provides a formula of an oil-resistant hot melt adhesive and a production process of the hot melt adhesive. The formula of the oil-resistant hot melt adhesive comprises the following components in parts by weight: 20-70 parts of polyamide, 20-50 parts of ethylene acrylic ester copolymer, 5-40 parts of tackifier, 0-10 parts of plasticizer, 0-10 parts of wax and 0.5-3 parts of stabilizer. According to the formula of the oil-resistant hot melt adhesive and the production process of the hot melt adhesive, the obtained oil-resistant hot melt adhesive is better in oil resistance, and cannot lose the sealing effect due to reduced cohesive force after being in contact with fuel oil and mineral oil.
Description
Technical field
The present invention relates to the chemical material technical field, particularly a kind of prescription of oil-resisting type hot melt adhesive and production technique thereof.
Background technology
Material contracting with heat is claimed polymer shape memory material again, is a kind of intelligent material of macromolecular material and radiation processing technology cross coupled.The heat shrink of passing through of material contracting with heat is coated on external surface of objects, effect such as can play insulation, protection against the tide, seal, protect and continue.Rely on the performance of these special excellences, material contracting with heat is widely used in industries such as electronics, household electrical appliance, communication, electric power, automobile, pipeline corrosion protection, has huge application market.Material contracting with heat needs corresponding supporting special-purpose mastic sealant, in material contracting with heat heat shrink process, plays effects such as bonding, sealing, insulation.Traditional EVA hot melt adhesive is being exposed to MO and is being applied to petroleum pipe line when anticorrosion, dissolving very easily takes place lost efficacy, and can not satisfy industrial application requirements.
Summary of the invention
The prescription and the production technique thereof of the oil-resisting type hot melt adhesive that a kind of oil-proofness of the present invention is strong.
To achieve these goals, the present invention provides following technical scheme:
A kind of prescription of oil-resisting type hot melt adhesive, it comprises according to ratio of weight and number:
Polymeric amide 20-70
Ethylene ethyl acrylate copolymer 20-50
Tackifier 5-40
Softening agent 0-10
Wax 0-10
Stablizer 0.5-3.
Preferably, said polymeric amide is a dimer acid type polyamide, comprises homopolyamide and copolyamide; Said polymeric amide diamines and di-carboxylic acid repeat units derived constitute, and are perhaps made by the lactan ring-opening polymerization, wherein; Said diamines comprises aliphatie diamine, alicyclic diamine or aromatic diamine; Said di-carboxylic acid comprises aliphatic dicarboxylic acid, alicyclic di-carboxylic acid or aromatics unit carboxylic acid, and said lactan contains 5-12 carbon atom, and the fusing point of said polymeric amide is 100 ℃-160 ℃.
Preferably, said lactan contains 6-8 carbon atom, and the fusing point of said polymeric amide is 120 ℃-150 ℃.
Preferably, the content of the acetic acid of said ethylene ethyl acrylate copolymer is that 5-50% (according to weight percent), melting index are 1-40.0g/10min.
Preferably, the ethyl propenoate content of said ethylene ethyl acrylate copolymer is that 5-50% (according to weight percent) is 20-30g/10min for 20-40% (according to weight percent), melting index.
Preferably, said tackifier are the mixture of rosin, terpine resin or rosin and terpine resin.
Preferably, said softening agent comprises: Hydrocerol A tri butyl ester and tributyl acetylcitrate.
Preferably, said wax comprises that molecular weight is that low molecular weight polyethylene, paraffin, Microcrystalline Wax, the softening temperature of 1000-6000 is 120 ℃-160 ℃ Atactic Polypropelene and polyolefin-wax.
Preferably; Said stablizer comprises: four (β-(3; Three grades of butyl of 5--4-hydroxy phenyl) propionic acid) pentaerythritol ester, N, N-pair-[3-(3, the 5-di-tert-butyl-hydroxy phenyl) propionyl group] hexanediamine and thio-2 acid two octadecyl esters are totally three kinds of material arbitrary proportion blended mixtures.
The present invention also provides a kind of production technique of oil-resisting type hot melt adhesive, and it comprises:
The preparation steps of A, material:, take by weighing the material of each component according to the described prescription of technique scheme;
B, premix step:, can carry out the banburying granulation earlier for difficult fused polymeric amide and ethylene ethyl acrylate copolymer;
C, mixing step: adopt twin screw extruder to carry out the material of above-mentioned each component mixing;
D, granulation step: the method that adopts the pelletizing of recirculated water cooling hobboing cutter is carried out granulation with above-mentioned material after mixing;
E, packing and storing step: packing box obtains required hot melt adhesive after storing said granulation.
Through implementing above technical scheme; Have following technique effect: the present invention provides the prescription and the production technique thereof of the strong oil-resisting type hot melt adhesive of oil-proofness; The oil-resisting type hot melt adhesive oil-proofness that obtains is better, contacts with fuel oil, MO, can not lose sealing effectiveness because of force of cohesion descends.
Embodiment
Technical scheme is for a better understanding of the present invention described embodiment provided by the invention below in detail.
The embodiment of the invention provides a kind of prescription of oil-resisting type hot melt adhesive, and it comprises according to ratio of weight and number:
Polyamide (PA) 20-70
Ethylene ethyl acrylate copolymer (EEA) 20-50
Tackifier 5-40
Softening agent 0-10
Wax 0-10
Stablizer 0.5-3.
Wherein, said polymeric amide is a dimer acid type polyamide, comprises homopolyamide and copolyamide; Said polymeric amide diamines and di-carboxylic acid repeat units derived constitute, and are perhaps made by the lactan ring-opening polymerization, wherein; Said diamines comprises aliphatie diamine, alicyclic diamine or aromatic diamine; Said di-carboxylic acid comprises aliphatic dicarboxylic acid, alicyclic di-carboxylic acid or aromatics unit carboxylic acid, and said lactan contains 5-12 carbon atom, and the fusing point of said polymeric amide is 100 ℃-160 ℃.Be preferably 120 ℃-150 ℃, the consumption of polymeric amide is 20-70 part, is preferably 30-60 part.
Wherein, said lactan contains 6-8 carbon atom, and the fusing point of said polymeric amide is 120 ℃-150 ℃.
Wherein, the content of the acetic acid of said ethylene ethyl acrylate copolymer is that 5-50% (according to weight percent), melting index are 1-40.0g/10min.
Wherein, the ethyl propenoate content of said ethylene ethyl acrylate copolymer is 5-50% (according to weight percent).Preferably, ethyl propenoate content is that 20-40% (according to weight percent), melting index are for being 20-30g/10min.
Wherein, said tackifier are the mixture of rosin, terpine resin or rosin and terpine resin.That is: can use separately, also can mix with certain proportion as requested.Rosin mainly comprises: natural and modified rosin, for example, rosin, wood rosin, staybelite, dimerization colophonium and polymerized rosin; The glycerine ester and the pentaerythritol ester of natural and modified rosin.Terpenes comprises that mainly the softening temperature of ring and ball method mensuration is 60 ℃-150 ℃ a polyterpene resin.The consumption of tackifier is 5-40%, is preferably 15-30%.
Wherein, said softening agent comprises: Hydrocerol A tri butyl ester (TBC), tributyl acetylcitrate (ATBC).Plasticizer dosage is 0-10 part, is preferably 1-3 part.
Wherein, said wax comprises that molecular weight is that low molecular weight polyethylene, paraffin, Microcrystalline Wax, the softening temperature of 1000-6000 is 120 ℃-160 ℃ Atactic Polypropelene and polyolefin-wax.The consumption of wax is 0-10%, is preferably 1-3%.
Wherein, Said stablizer comprises: four (β-(3; Three grades of butyl of 5--4-hydroxy phenyl) propionic acid) pentaerythritol ester, N, N-pair-[3-(3, the 5-di-tert-butyl-hydroxy phenyl) propionyl group] hexanediamine and thio-2 acid two octadecyl esters are totally three kinds of material arbitrary proportion blended mixtures.The consumption of stablizer is 0.5-3 part, is preferably 1-2 part.
Embodiment one: HMP dimer acid type polyamide resin (146 ℃ of softening temperatures) 50g, ethylene ethyl acrylate (EEA) 35g, terpine resin 11g, tributyl citrate 1g, antioxidant 1010 1g, oxidation inhibitor 1098 1g, oxidation inhibitor 802 0.5g, polyethylene wax 0.5g; Carry out mixing in the adding twin screw extruder; Melting temperature is 120 ℃; Mixing twice; Adopt the pelletizing of recirculated water cooling hobboing cutter to make the high-melting point polyamide thermosol product, 142 ℃ of the softening temperature positions of this product, viscosity is 104000mpa.s.
Embodiment two: HMP dimer acid type polyamide resin (146 ℃ of softening temperatures) 40g, ethylene ethyl acrylate (EEA) 35g, terpine resin 21g, tributyl citrate 1g, antioxidant 1010 1g, oxidation inhibitor 1098 1g, oxidation inhibitor 802 0.5g, polyethylene wax 0.5g; Carry out mixing in the adding twin screw extruder; Melting temperature is 120 ℃; Mixing twice; Adopt the pelletizing of recirculated water cooling hobboing cutter to make the high-melting point polyamide thermosol product, 144 ℃ of the softening temperature positions of this product, viscosity is 124000mpa.s.
Embodiment three: HMP dimer acid type polyamide resin (146 ℃ of softening temperatures) 40g, ethylene ethyl acrylate (EEA) 35g, terpine resin 21g, tributyl citrate 1g, antioxidant 1010 1g, oxidation inhibitor 10981g, oxidation inhibitor 8020.5g, polyethylene wax 0.5g; Carry out mixing in the adding twin screw extruder; Melting temperature is 120 ℃; Mixing twice; Adopt the pelletizing of recirculated water cooling hobboing cutter to make the high-melting point polyamide thermosol product, 140 ℃ of the softening temperature positions of this product, viscosity is 113000mpa.s
The present invention also provides a kind of production technique of oil-resisting type hot melt adhesive, and it comprises:
The preparation steps of A, material:, take by weighing the material of each component according to the described prescription of above-mentioned each embodiment;
B, premix step:, can carry out the banburying granulation earlier for difficult fused polymeric amide and ethylene ethyl acrylate copolymer;
C, mixing step: adopt twin screw extruder to carry out the material of above-mentioned each component mixing;
D, granulation step: the method that adopts the pelletizing of recirculated water cooling hobboing cutter is carried out granulation with above-mentioned material after mixing;
E, packing and storing step: packing box obtains required hot melt adhesive after storing said granulation.
The hot melt adhesive that above-mentioned each embodiment provides is specially adapted to the bonding of heat-shrinkage material and PE, PP, PVC.Select multiple materials such as terpolyamide, polyester for use, play impermeable iris action, prevent destructive phenomenon generations such as absorbed swelling.
It can grease-proof polymeric amide be material of main part that hot melt adhesive that the embodiment of the invention provided adopts, can anti-multiple oil product, and in the use, can not cause the reduction of cohesive strength because of the contact oil product.Applicable to multiple severe environment.
For remedying polymeric amide, added ethylene acrylate copolymer and carried out modification the relatively poor shortcoming of PE adhesive power.Hot melt adhesive can effectively bond to Vilaterm (PE), Vestolen PP 7052 (PP) and SE (PVC) after the modification, and cohesive strength is higher, and is good with external wall material bonding back insulated enclosure property.
The ethylene acrylate copolymer that adds in the thermosol formula that the embodiment of the invention provided (EEA) resistance to low temperature is fabulous, can anti--40 ℃ of low temperature, and cohesive strength no change under low temperature environment, the glue product does not have the embrittlement phenomenon yet.
The softening agent citrate that adds is safety, the non-toxic plasticizer of U.S. FDA (Food and Drug Administration) approval, a plurality of advantages such as have that consistency is good, plasticizing efficiency is high, nontoxic, not volatile and weathering resistance is strong.
Add stablizer in this thermosol formula, can protect above-mentioned title complex to avoid the influence of thermal destruction and oxidative degradation.
The product of preparation detects through ROHS (" some objectionable impurities instruction is used in restriction in the electronic electric equipment " of European Union's promulgation), human body and environment are not all had harm, and no obnoxious flavour produces in the use of glue product.
Employing wax is flow ability modifying agent, can be used to reduce melt viscosity and its bonding characteristic of not obvious reduction of hot melt structure adhensive.
Production technique is simple, employing be the blend preparation technology of simple actual effect, avoided solvent recuperation and purification of products, the technology simple and stable, good reproducibility, thus guaranteed quality product.No obnoxious flavour produces in the production process, and environment is not had harm.Production energy consumption is lower, has better economic effect and suitability for industrialized production prospect.
Hot melt adhesive performance index provided by the invention are as shown in the table:
More than the prescription and the production technique thereof of a kind of oil-resisting type hot melt adhesive that the embodiment of the invention provided have been carried out detailed introduction; For one of ordinary skill in the art; Thought according to the embodiment of the invention; The part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. the prescription of an oil-resisting type hot melt adhesive is characterized in that, according to ratio of weight and number, comprising:
Polymeric amide 20-70
Ethylene ethyl acrylate copolymer 20-50
Tackifier 5-40
Softening agent 0-10
Wax 0-10
Stablizer 0.5-3.
2. the prescription of oil-resisting type hot melt adhesive according to claim 1 is characterized in that said polymeric amide is a dimer acid type polyamide; Comprise homopolyamide and copolyamide; Said polymeric amide diamines and di-carboxylic acid repeat units derived constitute, and are perhaps made by the lactan ring-opening polymerization, wherein; Said diamines comprises aliphatie diamine, alicyclic diamine or aromatic diamine; Said di-carboxylic acid comprises aliphatic dicarboxylic acid, alicyclic di-carboxylic acid or aromatics unit carboxylic acid, and said lactan contains 5-12 carbon atom, and the fusing point of said polymeric amide is 100 ℃-160 ℃.
3. like the prescription of the said oil-resisting type hot melt adhesive of claim 2, it is characterized in that said lactan contains 6-8 carbon atom, the fusing point of said polymeric amide is 120 ℃-150 ℃.
4. the prescription of oil-resisting type hot melt adhesive according to claim 1 is characterized in that the content of the acetic acid of said ethylene ethyl acrylate copolymer is that 5-50% (according to weight percent), melting index are 1-40.0g/10min.
5. like the prescription of the said oil-resisting type hot melt adhesive of claim 4; It is characterized in that the ethyl propenoate content of said ethylene ethyl acrylate copolymer is that 5-50% (according to weight percent) is 20-30g/10min for 20-40% (according to weight percent), melting index.
6. the prescription of oil-resisting type hot melt adhesive according to claim 1 is characterized in that said tackifier are the mixture of rosin, terpine resin or rosin and terpine resin.
7. the prescription of oil-resisting type hot melt adhesive according to claim 1 is characterized in that said softening agent comprises: Hydrocerol A tri butyl ester and tributyl acetylcitrate.
8. the prescription of oil-resisting type hot melt adhesive according to claim 1 is characterized in that, said wax comprises that molecular weight is that low molecular weight polyethylene, paraffin, Microcrystalline Wax, the softening temperature of 1000-6000 is 120 ℃-160 ℃ Atactic Polypropelene and polyolefin-wax.
9. the prescription of oil-resisting type hot melt adhesive according to claim 1; It is characterized in that; Said stablizer comprises: four (β-(3; Three grades of butyl of 5--4-hydroxy phenyl) propionic acid) pentaerythritol ester, N, N-pair-[3-(3, the 5-di-tert-butyl-hydroxy phenyl) propionyl group] hexanediamine and thio-2 acid two octadecyl esters are totally three kinds of material arbitrary proportion blended mixtures.
10. the production technique of an oil-resisting type hot melt adhesive is characterized in that, comprising:
The preparation steps of A, material: prescription according to claim 1 takes by weighing the material of each component;
B, premix step:, can carry out the banburying granulation earlier for difficult fused polymeric amide and ethylene ethyl acrylate copolymer;
C, mixing step: adopt twin screw extruder to carry out the material of above-mentioned each component mixing;
D, granulation step: the method that adopts the pelletizing of recirculated water cooling hobboing cutter is carried out granulation with above-mentioned material after mixing;
E, packing and storing step: packing box obtains required hot melt adhesive after storing said granulation.
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Cited By (11)
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CN103396755A (en) * | 2013-06-28 | 2013-11-20 | 东莞市实创五金电子有限公司 | Hot melt adhesive |
CN103965703A (en) * | 2014-05-23 | 2014-08-06 | 南通恒隆化工有限公司 | Cement floor coating |
CN104497958A (en) * | 2014-12-09 | 2015-04-08 | 上海海隆石油化工研究所 | Adhesive for corrosion prevention of 3PP pipeline |
CN104893621A (en) * | 2015-06-16 | 2015-09-09 | 合肥启华环保科技有限公司 | Adhesive for casting core mold and preparation method of adhesive |
CN105462521A (en) * | 2014-05-30 | 2016-04-06 | 比亚迪股份有限公司 | Glue, and plastic and metal composite housing preparation method |
CN105860879A (en) * | 2016-04-14 | 2016-08-17 | 上海政太纳米科技股份有限公司 | EVA hot-melt adhesive for kitchenware |
CN105969252A (en) * | 2016-07-01 | 2016-09-28 | 杭州富通通信技术股份有限公司 | Invisible optical cable and self-adhering coating glue |
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CN111909637A (en) * | 2020-06-24 | 2020-11-10 | 杭州可靠护理用品股份有限公司 | Low-temperature hot melt adhesive for processing paper diapers and processing method thereof |
CN111938919A (en) * | 2020-06-24 | 2020-11-17 | 杭州可靠护理用品股份有限公司 | Paper diaper with excellent heat dissipation performance and processing method thereof |
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CN101210164A (en) * | 2006-12-30 | 2008-07-02 | 上海轻工业研究所有限公司 | Polyamide hot-melt adhesive and shoe bonded by the same |
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CN1990810A (en) * | 2005-12-30 | 2007-07-04 | 上海轻工业研究所有限公司 | High-melting point polyamide thermosol composition and method of making the same |
CN101210164A (en) * | 2006-12-30 | 2008-07-02 | 上海轻工业研究所有限公司 | Polyamide hot-melt adhesive and shoe bonded by the same |
Cited By (15)
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CN103396755B (en) * | 2013-06-28 | 2015-07-22 | 东莞市深方伟智能科技有限公司 | Hot melt adhesive |
CN103396755A (en) * | 2013-06-28 | 2013-11-20 | 东莞市实创五金电子有限公司 | Hot melt adhesive |
CN103965703A (en) * | 2014-05-23 | 2014-08-06 | 南通恒隆化工有限公司 | Cement floor coating |
CN105462521B (en) * | 2014-05-30 | 2017-10-31 | 比亚迪股份有限公司 | A kind of preparation method of glue and plastic cement and metal composite housing |
CN105462521A (en) * | 2014-05-30 | 2016-04-06 | 比亚迪股份有限公司 | Glue, and plastic and metal composite housing preparation method |
CN104497958A (en) * | 2014-12-09 | 2015-04-08 | 上海海隆石油化工研究所 | Adhesive for corrosion prevention of 3PP pipeline |
CN104893621A (en) * | 2015-06-16 | 2015-09-09 | 合肥启华环保科技有限公司 | Adhesive for casting core mold and preparation method of adhesive |
CN105860879A (en) * | 2016-04-14 | 2016-08-17 | 上海政太纳米科技股份有限公司 | EVA hot-melt adhesive for kitchenware |
CN105860879B (en) * | 2016-04-14 | 2017-07-11 | 上海政太纳米科技股份有限公司 | Kitchen tools EVA hot-melt adhesive |
CN105969252A (en) * | 2016-07-01 | 2016-09-28 | 杭州富通通信技术股份有限公司 | Invisible optical cable and self-adhering coating glue |
CN109904809A (en) * | 2019-03-15 | 2019-06-18 | 深圳市宏商材料科技股份有限公司 | Wall bushing and preparation method thereof |
CN110027295A (en) * | 2019-03-21 | 2019-07-19 | 东莞市中鼎塑料制品有限公司 | A kind of manufacturing method of vamp |
CN110027295B (en) * | 2019-03-21 | 2021-07-06 | 东莞市中鼎塑料制品有限公司 | Method for manufacturing shoe upper |
CN111909637A (en) * | 2020-06-24 | 2020-11-10 | 杭州可靠护理用品股份有限公司 | Low-temperature hot melt adhesive for processing paper diapers and processing method thereof |
CN111938919A (en) * | 2020-06-24 | 2020-11-17 | 杭州可靠护理用品股份有限公司 | Paper diaper with excellent heat dissipation performance and processing method thereof |
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Application publication date: 20120711 |