CN1084541A - A kind of method that improves rubber and Bond Strength and resistance to boiling water thereof - Google Patents

A kind of method that improves rubber and Bond Strength and resistance to boiling water thereof Download PDF

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Publication number
CN1084541A
CN1084541A CN92107763.7A CN92107763A CN1084541A CN 1084541 A CN1084541 A CN 1084541A CN 92107763 A CN92107763 A CN 92107763A CN 1084541 A CN1084541 A CN 1084541A
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CN
China
Prior art keywords
rubber
epoxy
formal
boiling water
phenolic aldehyde
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN92107763.7A
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Chinese (zh)
Inventor
薛奇
顾晓红
戴庆平
张峻峰
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Nanjing University
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Nanjing University
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Filing date
Publication date
Application filed by Nanjing University filed Critical Nanjing University
Priority to CN92107763.7A priority Critical patent/CN1084541A/en
Publication of CN1084541A publication Critical patent/CN1084541A/en
Pending legal-status Critical Current

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Abstract

The present invention improves metal and rubber bonding strength and resistance to boiling water, after metallic surface polishing, degreasing, cleaning with Resins, epoxy/phenolic aldehyde-formal glued membrane two-step approach, be coated with one deck Resins, epoxy earlier, stick phenolic aldehyde-formal glued membrane more immediately, with rubber adhesion, bonding strength can reach 60~90kg/cm 2, boiling water boils that conservation rate reaches 100% after 7 days, can satisfy rubber and the lasting bonding needs of metal under high-temperature, the humidity.

Description

A kind of method that improves rubber and Bond Strength and resistance to boiling water thereof
The present invention relates to the improvement of adhesive technology.
Because rubber and metallic surface polarity differ greatly, so it is bonding difficult, existing tackiness agent is phenolic aldehyde, epoxy, urethane, the esters of acrylic acid of rubber property, phenolic aldehyde-acetal the glue of Japanese Patent 75-35935 and day disclosure 73-48531 announcement also is to be used for metal and the bonding caking agent of rubber, but all can not reach the environmental work that to satisfy hot and humid, bigger bonding strength is arranged again.
The present invention seeks to solve above-mentioned difficulties, propose a kind of adhering method that had not only satisfied hot and humid environment but also big tensile shear strength is arranged, and improved caking agent.
The present invention realizes like this: earlier coat epoxy glue, be coated with or paste one deck phenolic aldehyde-acetal glued membrane again in the metallic surface, then with rubber adhesion, after through the pressurization heating cure.0.8~3kg/cm is got in pressurization 2, heat 155~180 ℃, heat preservation solidification 10~30min.
Epoxy glue can be used common designations, the modification of the most handy process, its basal component is (weight ratio .W): E-44 Resins, epoxy: 100; Solidifying agent: 20~40; Thiorubber: 20~30; Promotor: 6~10; The basal component of resol-formal is (W): resol: 50~125; Polyvinyl formal: 100, be dissolved in solvent and make, also available common designations product.
Can obviously improve resistance to boiling water (heatproof) through above-mentioned technology bonded metal and rubber, and the tensile shear strength influence is little, can make tensile shear strength reach 60~90kg/cm with modified epoxy and common designations phenolic aldehyde-formal 2, boiling water boils after 7 days intensity and remains on (tensile shear strength test: by the HG4-853-76 of the Ministry of Chemical Industry standard) more than 95%, than improving 1~5 times the work-ing life of prior art adhering method.The inventive method is simple, and positive effect is arranged in the use, can be used for various metals and rubber-especially elastomeric bonding, can be in the hot and humid intensity that keeps down.
The invention will be further described by the following examples:
The proportioning (weight ratio) of typical modification epoxy A:
Common epoxy A ' (as the E-44 trade mark): 100,
Polyamines polyene: 45~55
Thiorubber 20~30 DMP-30 6~10
Mineral filler 20~40
Wherein silica powder, Paris white or metal oxide are selected in mineral filler for use.
Phenolic aldehyde-formal glue B makes by following composition and method for making: resol and polyvinyl formal are by weight 50~125: 100 cooperate, be dissolved in the toluene/ethanol mixed solvent, solvent flashing, make about wide 2cm, the glued membrane of thick 0.5~1.0mm, glued membrane also can be selected roughly the same the FSC-3 trade mark or Japanese Redux-Film C for use.
Example 1: the relevant contrast that iron and steel is bonding with chloroprene rubber: the metallic surface is through the sand paper hacking, and acetone is coated skim modified epoxy Al after cleaning, and sticks one deck B glue immediately, again with polishing, grease removal, cleaning after chloroprene rubber close and disturb pressurization 1.5kg/cm 2, 160 ℃ solidify 20min, and bonding strength is compared as follows:
The glue kind Shearing resistance (kg/cm when not boiling 2) Shearing resistance (kg/cm behind the poach 150h 2)
Resins, epoxy A 30 22
Agricultural machinery I glue (epoxy glue) 24 14
B glue (roughly the same FSC-3) 28 Automatically come off
XY-401 (chloroprene rubber stick) 17 Automatically come off
Agricultural machinery I glue+B 48(rubber interface pull-up falls) 30
A+B(the present invention) 78 (rubber body is disconnected) 75 (rubber body is disconnected)
Example 2: utilize technology of the present invention, at pressurization 1.0kg/cm 2, 170 ℃ solidify 10min, the strength ratio of bonding steel-styrene-butadiene rubber(SBR):
The glue kind Shearing resistance (kg/cm when not boiling 2) Shearing resistance (kg/cm behind the poach 150h 2)
Epoxy A 25 18
B glue (roughly the same FSC-3) 21 Automatically come off
A+B(the present invention) 56 (rubber body is disconnected) 58 (rubber body is disconnected)
Example 3: bonding styrene-butadiene rubber(SBR) one lead of the present invention, pressurization 2.0kg/cm 2, 155 ℃ are incubated 15min, and are compared as follows with A, B glue:
The glue kind Shearing resistance (kg/cm when not boiling 2) Shearing resistance (kg/cm behind the poach 150h 2)
Epoxy A 28 20
B glue 24 Automatically come off
A+B the present invention 62 (rubber body is disconnected) 60 (rubber body is disconnected)
Example 4: the bonding butyronitrile-steel of the present invention, pressurization 1.5kg/cm 2, 175 ℃ are incubated 15min, and compare with glue such as A, B:
The glue kind Shearing resistance (kg/cm when not boiling 2) Shearing resistance (kg/cm behind the poach 150h 2)
Epoxy A 37 26
B glue (FSC-3) 43 Automatically come off
Epoxy (A) and the heavy glue (similar E4) of polymerization phenol-formal prefabricated solution 40 36
J-28 (phenolic aldehyde-butadiene-acrylonitrile rubber stick) 64 (the paracril body is disconnected) 30
Agricultural machinery I glue+B 62 (rubber body is disconnected) 48 (rubber surface peelings)
A+B(the present invention) 85-95 (the complete body of paracril is disconnected) 90-100 (rubber body is disconnected)
Example 5: the bonding stainless effect of the present invention is the foregoing description gained result roughly the same.The present invention is used to raise the bonding of sub-ethene company's engineering asphalt delivery band stainless steel and nitrile rubber.The sand papering stainless steel surface, acetone is coated Resins, epoxy (A) after cleaning, and sticks phenolic aldehyde-formal glued membrane (B) immediately, and nitrile rubber is disturbed with gummed after waxing, polishing, acetone clean surface, pressurization 2kg/cm 2, be warmed to 170 ℃ of insulation 10min postcooling to room temperature.Bonding interface did not have any obscission after this conveying belt moved nine months continuously.And under the same conditions, adopt Japan to produce the bonding conveying belt of Redux-Film C glue (roughly the same B), and operation in 1 month falls with regard to the bounded emaciated face, and multipotency was kept 3-6 individual month after the repairing.
The trade mark of caking agent commonly used is referring to " Chemicals application manual ", Science and Technology of Shanghai press (1990), " practical bonding handbook, Science and Technology of Shanghai technical literature press ", (1987), " Chemicals handbook, Chemical Industry Press (1985).

Claims (4)

1, a kind of method that improves rubber and Bond Strength and resistance to boiling water thereof is characterized in that earlier coating epoxy glue in the metallic surface, pastes one deck phenolic aldehyde-formal glued membrane again, then with rubber adhesion, after pressurization, heating cure.
2, by the described method of claim 1, it is characterized in that the 0.8~3kg/cm that pressurizes 2, heat 155~180 ℃, heat preservation solidification 10~30min.
3,, it is characterized in that epoxy glue constitutes (W) with following proportioning by claim 1 or 2 described methods: E-44 Resins, epoxy, amine curing agent 45~55, thiorubber 20~30, DMP-30,6~10, and mineral filler 20-40.
4,, it is characterized in that phenolic aldehyde-formal constitutes (W) with following proportioning: resol by claim 1 or 2 described methods: 50~125, vinyl-formal resin: 100.
CN92107763.7A 1992-09-19 1992-09-19 A kind of method that improves rubber and Bond Strength and resistance to boiling water thereof Pending CN1084541A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN92107763.7A CN1084541A (en) 1992-09-19 1992-09-19 A kind of method that improves rubber and Bond Strength and resistance to boiling water thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN92107763.7A CN1084541A (en) 1992-09-19 1992-09-19 A kind of method that improves rubber and Bond Strength and resistance to boiling water thereof

Publications (1)

Publication Number Publication Date
CN1084541A true CN1084541A (en) 1994-03-30

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CN92107763.7A Pending CN1084541A (en) 1992-09-19 1992-09-19 A kind of method that improves rubber and Bond Strength and resistance to boiling water thereof

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101906285A (en) * 2010-09-08 2010-12-08 浙江大学 High-adhesion polysulfide sealant
CN102115542A (en) * 2010-12-20 2011-07-06 洛阳双瑞橡塑科技有限公司 Method for adhering vulcanized rubber to metal
CN103119202A (en) * 2010-09-24 2013-05-22 株式会社普利司通 Method of manufacturing rubber-metal composite, rubber-metal composite, tire, base isolation rubber support body, industrial-use belt, and crawler
CN110891771A (en) * 2017-05-10 2020-03-17 乙烯技术公司 Method for bonding metal fittings to polyurethane structures
CN113881355A (en) * 2020-07-03 2022-01-04 重庆虎溪电机工业有限责任公司 Method for bonding aluminum alloy connecting ring and rubber ring

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101906285A (en) * 2010-09-08 2010-12-08 浙江大学 High-adhesion polysulfide sealant
CN101906285B (en) * 2010-09-08 2012-07-04 浙江大学 High-adhesion polysulfide sealant
CN103119202A (en) * 2010-09-24 2013-05-22 株式会社普利司通 Method of manufacturing rubber-metal composite, rubber-metal composite, tire, base isolation rubber support body, industrial-use belt, and crawler
CN103119202B (en) * 2010-09-24 2014-12-24 株式会社普利司通 Method of manufacturing rubber-metal composite, rubber-metal composite, tire, base isolation rubber support body, industrial-use belt, and crawler
CN102115542A (en) * 2010-12-20 2011-07-06 洛阳双瑞橡塑科技有限公司 Method for adhering vulcanized rubber to metal
CN102115542B (en) * 2010-12-20 2012-10-10 洛阳双瑞橡塑科技有限公司 Method for adhering vulcanized rubber to metal
CN110891771A (en) * 2017-05-10 2020-03-17 乙烯技术公司 Method for bonding metal fittings to polyurethane structures
CN110891771B (en) * 2017-05-10 2022-04-15 乙烯技术公司 Method for bonding metal fittings to polyurethane structures
CN113881355A (en) * 2020-07-03 2022-01-04 重庆虎溪电机工业有限责任公司 Method for bonding aluminum alloy connecting ring and rubber ring

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