Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1988-09-09
1990-06-19
Ziegler, Jacob
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525212, 525213, 525217, 525219, C08L 3306, C08L 3314, C08L 3506
Patent
active
049354680
ABSTRACT:
Thermoplastic elastomer blends containing polyvinyl chloride having improved oil resistance, exceptionally low compression set and softness are made by mixing a polyvinyl chloride-acrylate copolymer with effective amounts of cured acrylate elastomers. The polyvinyl chloride-acrylate copolymer has an inherent viscosity of from about 0.3 to about 4.0 and is made from a vinyl constituent which is a vinyl chloride monomer with an optional vinyl component comonomer and one or more acrylate monomers having the formula ##STR1## wherein R.sup.1 is an aliphatic, an aromatic, or combinations thereof, having from 1 to 18 carbon atoms, or a halogen derivative thereof, or hydrogen, and R.sup.2 is an aliphatic, an aromatic, an alkyl hydroxyl, or combinations thereof, having from 1 to 18 carbon atoms, or a halogen derivative thereof; or a hydrocarbyl ether such as an alkoxyalkyl, a phenoxyaryl, a phenoxyalkyl, or combinations thereof, having from 2 to 1,000 carbon atoms, or a substituted halogen, oxygen, sulfur, or nitrogen derivative thereof, and wherein the acrylate elastomer is made from one or more acrylate monomers having the formula ##STR2## wherein R.sup.3 is an aliphatic, an aromatic, or combinations thereof, having from 1 to 18 carbon atoms, or a halogen derivative thereof, or hydrogen, and R.sup.4 is an aliphatic, an aromatic, an alkyl hydroxyl, or combinations thereof, having from 1 to 18 carbon atoms, or a halogen derivative thereof; or a hydrocarbyl ether such as an alkoxyalkyl, a phenoxyaryl, a pheloxyalkyl, or combinations thereof having from 2 to 1,000 carbon atoms, or a substituted halogen, oxygen, sulfur, or nitrogen derivative thereof.
REFERENCES:
patent: 3595819 (1971-07-01), Dahli et al.
patent: 4272424 (1981-09-01), Kitamura et al.
Greenlee William S.
Vyvoda Josef C.
Wolf Fred R.
Hudak Daniel J.
Powell Joe A.
The B. F. Goodrich Company
Ziegler Jacob
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