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| Treatment of rubber latex |
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Novel ester group-containing (meth)acrylic acid ester, novel (co)polymer thereof, composition comprising the (co)polymer and composition comprising the ester group containing (meth)acrylic acid ester
| Details |
Inventors: Ohira, Yosihiro; Ohhara, Toshio; Miyabayashi, Toshio;
Assignee: Japan Synthetic Rubber Co., Ltd. (Tokyo, JP)
Primary Examiner: Schofer; Joseph L.
Assistant Examiner: Sarofim; N.
Attorney, Agent or Firm: Oblon, Spivak, McClelland, Maier & Neustadt
A novel ester group-containing (meth)acrylic acid ester represented by the general formula (I): ##STR1## wherein R.sup.1 is a hydrogen atom or a methyl group, R.sup.2 is a C.sub.3-20 alkylene group, R.sup.3 is a C.sub.1-20 hydrocarbon group or its derivative, and l is an integer of 1-20, and a (co)polymer composed of said ester group-containing (meth)acrylic acid ester and other monomer(s) copolymerizable therewith. This (co)polymer gives a crosslinked product superior in heat resistance, low-temperature resistance and oil resistance. |
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DETAILED DESCRIPTION What is claimed is: 1.
An ester group-containing (meth)acrylic acid ester (co)polymer composed of (A) 5-100% by weight of an ester group-containing (meth)acrylic acid ester of the general formula (I) ##STR7## wherein R.
sup.
1 is a hydrogen atom or a methyl group, R.
sup.
2 is a C.
sub.
3-20 alkylene group, R.
sup.
3 is a C.
sub.
1-20 hydrocarbon group or its derivative, and e is an integer of 1-20 and (B) 0-95% by weight of another monomer copolymerizable with the component (A).
2.
The (co)polymer according to claim 1, wherein in the general formula (I), R.
sup.
1 is a hydrogen atom, R.
sup.
2 is --C.
sub.
5 H.
sub.
10 --, R.
sup.
3 is --C.
sub.
2 H.
sub.
5 or --C.
sub.
8 H.
sub.
17, and l is 1-5.
3.
An ester group-containing (meth)acrylic acid ester copolymer composed of (A) 5-30% by weight of an ester group-containing (meth)acrylic acid ester of the general formula (I) according to claim 1, (B-1) 50-90% by weight of at least one unit selected from the group consisting of an alkyl acrylate in which the alkyl has 3 to 21 carbon atoms and an alkoxy-substituted alkyl acrylate, (C) 0.
1-10% by weight of a crosslinking monomer and (B-2) 0-30% by weight of other monomer copolymerizable with the components (A), (B-1) and (C).
4.
An ester group-containing (meth)acrylic acid ester copolymer composed of (A) 5-50% by weight of an ester group-containing (meth)acrylic acid ester of the general formula (I) according to claim 1, (B-3) 10-40% by weight of at least one unit selected from the group consisting of butyl acrylate and 2-methoxyethyl acrylate, (C) 0.
1-10% by weight of a crosslinking monomer and (B-4) 0-45% by weight of other monomer copolymerizable with the components (A), (B-3) and (C).
5.
An ester group-containing (meth)acrylic acid ester copolymer composed of (A) 5-50% by weight of an ester group-containing (meth)acrylic acid ester of the general formula (I) according to claim 4, (D) 25-60% by weight of a conjugated diene compound, (E) 20-45% by weight of an .
alpha.
,.
beta.
-ethylenically unsaturated nitrile compound and (B-5) 0-20% by weight of other monomer copolymerible with the components (A), (D) and (E)
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Adhesives and Rubbers 
