CN1990805A - Preparation of self-crosslinking polychlorobutadiene aqueous emulsion adhesives - Google Patents
Preparation of self-crosslinking polychlorobutadiene aqueous emulsion adhesives Download PDFInfo
- Publication number
- CN1990805A CN1990805A CN 200510133646 CN200510133646A CN1990805A CN 1990805 A CN1990805 A CN 1990805A CN 200510133646 CN200510133646 CN 200510133646 CN 200510133646 A CN200510133646 A CN 200510133646A CN 1990805 A CN1990805 A CN 1990805A
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- China
- Prior art keywords
- self
- sovprene
- monomer
- crosslinking
- tackiness agent
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- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention relates to a process of producing self-crosslinked polychloroprene rubber emulsion adhesive. It takes polychloroprene rubber emulsion adhesive in rubber synthesis with chloroprene as base, employs a plurality of monoene comonomer such as propylene cyanide, styrene, butyl acrylate and diacetone acrylamide with self- crosslinking action for grafting and modification to get waterborne self-crosslinked polychloroprene rubber emulsion adhesive.
Description
Technical field
The invention belongs to technical field of adhesive, about the manufacturing of self-crosslinking sovprene emulsion binders.
Current at the leather shoes leather goods, the colliery air duct, underground waterproof, occasions such as house decoraton are extensive use of solvent-borne type sovprene solution, i.e. the neoprene adhesive of often saying.The use of a large amount of noxious solvents still all causes very big infringement to human body when tackiness agent uses when tackiness agent is made.See the report of fatalities through regular meeting.In addition, the use of Solvent Adhesive causes the waste of a large amount of energy, outstanding showing seriously under the situation that current oil price remains high.
Polyisocyanates is the very strong chemical substance of toxicity with the adhesion fastness that improves tackiness agent to use the solvent-borne type neoprene adhesive also will cooperate the polyisocyanates of amount of binder 10-15% to make linking agent.
Because the special construction of sovprene makes it have outstanding bond strength, this be other commodity polymer materials can not compare.
Summary of the invention
The present invention adopts monomers such as propylene is fine, vinylbenzene, butyl acrylate that it is carried out graft copolymerization with the sticking power of raising to adherend, and can improve the force of cohesion of self again based on water-based sovprene emulsion.In order further to improve bond strength and to replace deleterious polyisocyanate crosslinker, when emulsion grafting polymerization, monomer diacetone-acryloamide(DAA) and adipic dihydrazide have been added with self-crosslinking performance.
The present invention is based on the intermediate product sovprene emulsion in the chloroprene rubber production, carries out graft polymerization with the multiple comonomer of this emulsion solids part 20-40%.Proportioning between comonomer is that propylene is fine: vinylbenzene: butyl acrylate=1-1.2: 1.2-1.5: the consumption of 1-1.2 self-cross linking monomer diacetone-acryloamide(DAA) is the 2-10% of grafted monomer, and adipic dihydrazide is the 40-60% of diacetone-acryloamide(DAA).
Embodiment:
1, installs test apparatus, use 500ml four-hole glass flask, on flask, install reflux exchanger, agitator, feed hopper, thermometer and constant temperature water bath pot.
2,200 gram sovprene emulsions are added in the four-hole bottle.
3, with fine 10 grams of propylene, vinylbenzene 15 grams, butyl acrylate 15 grams are miscible good.
4, diacetone-acryloamide(DAA) 3 grams and ammonium persulphate 0.3 gram are dissolved in the 100 gram deionized waters.
5, be warming up to 86 ℃ after, the solution that drips mix monomer and initiator and linking agent simultaneously evenly dripped 2 hours between 84-88 ℃, continued under this temperature reaction after adding simultaneously again 1.5 to 2 hours.
When 6, being cooled to 60 ℃ adipic dihydrazide is added in the reaction flask, stirring is cooled to 40 ℃ of after-filtration dischargings after half an hour again.
Claims (4)
1, a kind of self-crosslinking sovprene emulsion binders is characterized in that it serves as that basis, vinylbenzene fine with monoene class monomer such as propylene, butyl acrylate etc. carry out graft modification to it with the intermediate product sovprene water miscible liquid in the chloroprene rubber production.
2, tackiness agent according to claim 1 is characterized in that the consumption of modified monomer is the 20-40% of the solids constituent of sovprene water miscible liquid.
3, it is characterized in that as the tackiness agent as described in the claim 2 proportioning between modified monomer is that propylene is fine: vinylbenzene: butyl acrylate=1-1.2: 1.2-1.5: 1-1.2.
4, tackiness agent according to claim 1 is characterized in that used self-cross linking monomer is that its consumption of diacetone-acryloamide(DAA) is the 2-10% of grafted monomer total amount, and in addition, the adipic dihydrazide consumption is the 40-60% of diacetone-acryloamide(DAA).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510133646 CN1990805A (en) | 2005-12-27 | 2005-12-27 | Preparation of self-crosslinking polychlorobutadiene aqueous emulsion adhesives |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510133646 CN1990805A (en) | 2005-12-27 | 2005-12-27 | Preparation of self-crosslinking polychlorobutadiene aqueous emulsion adhesives |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1990805A true CN1990805A (en) | 2007-07-04 |
Family
ID=38213351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510133646 Pending CN1990805A (en) | 2005-12-27 | 2005-12-27 | Preparation of self-crosslinking polychlorobutadiene aqueous emulsion adhesives |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1990805A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109563216A (en) * | 2016-08-10 | 2019-04-02 | 昭和电工株式会社 | Chlorobutadiene graft copolymer latex and its manufacturing method and sticker, bonding agent |
-
2005
- 2005-12-27 CN CN 200510133646 patent/CN1990805A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109563216A (en) * | 2016-08-10 | 2019-04-02 | 昭和电工株式会社 | Chlorobutadiene graft copolymer latex and its manufacturing method and sticker, bonding agent |
| CN109563216B (en) * | 2016-08-10 | 2021-10-12 | 昭和电工株式会社 | Chloroprene graft copolymer latex, process for producing the same, adhesive, and adhesive |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhao Yulin Document name: Notification that Application Deemed to be Withdrawn |
|
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |