DE3378689D1 - Particle agglomeration in rubber latices - Google Patents
Particle agglomeration in rubber laticesInfo
- Publication number
- DE3378689D1 DE3378689D1 DE8383112022T DE3378689T DE3378689D1 DE 3378689 D1 DE3378689 D1 DE 3378689D1 DE 8383112022 T DE8383112022 T DE 8383112022T DE 3378689 T DE3378689 T DE 3378689T DE 3378689 D1 DE3378689 D1 DE 3378689D1
- Authority
- DE
- Germany
- Prior art keywords
- esp
- agents
- cooh
- latices
- rubber latices
- Prior art date
- 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.)
- Expired
Links
Abstract
Agents for agglomerating rubber latices are dispersions of particles consisting of (A) 5-50 wt.% shell material grafted to (B) core material. (A) comprises copolymers of 80-99.5 (esp. 90-95) wt.% 1-4C alkyl acrylates (I) and 3-8C unsatd. mono or di-carboxylic acids, esp. of formula R2C = C(R')COOH, where each R is independently H or COOH; R' is R or 1-4C alkyl. (B) is an elastomer free of (I), esp. copolymers of butadiene with styrene and/or acrylonitrile. More esp. (I) is ethyl acrylate and (II) is methacrylic acid and the agents are suitable for agglomerating latices which are at least 95% polymerised. The agents do not introduce undesirable contaminants. They produce agglomerates with polydispersed particle size distribution which are excellent rigid polymer modifiers and reinforcing agents.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP83112022A EP0143858B2 (en) | 1982-02-22 | 1983-11-30 | Particle agglomeration in rubber latices |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3378689D1 true DE3378689D1 (en) | 1989-01-19 |
Family
ID=8190841
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8383112022T Expired DE3378689D1 (en) | 1983-11-30 | 1983-11-30 | Particle agglomeration in rubber latices |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE3378689D1 (en) |
HK (1) | HK79589A (en) |
-
1983
- 1983-11-30 DE DE8383112022T patent/DE3378689D1/en not_active Expired
-
1989
- 1989-10-05 HK HK79589A patent/HK79589A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
HK79589A (en) | 1989-10-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8366 | Restricted maintained after opposition proceedings | ||
8339 | Ceased/non-payment of the annual fee |