Stock material or miscellaneous articles – Composite – Of natural rubber
Patent
1987-10-06
1989-05-30
Lesmes, George F.
Stock material or miscellaneous articles
Composite
Of natural rubber
428519, 428521, 428492, 525133, 525152, B32B 2508, B32B 2512
Patent
active
048350630
ABSTRACT:
Composite parts of firmly bonded molding materials, comprising a thermoplastic material containing polyphenylene ether, a layer of SBR or SBS rubber or a mixture thereof surrounding the thermoplastic material, if necessary, an intermediate layer comprising a powdered SBR rubber which may contain a filler, and a rubber containing carbon-carbon double bonds covulcanized with the layer of SBR or SBS rubber. The invention also provides a method for producing the composite part comprising treating the thermoplastic material with a solution of a SBR or SBS rubber in an organic solvent or with an aqueous latex of the rubber, if necessary, completely or partially removing the organic solvent or water, if necessary, treating the dried mass with a powdered SBR rubber which may contain a filler, and covulcanizing with a rubber containing carbon-carbon double bonds.
REFERENCES:
patent: 4294732 (1981-10-01), Ohyachi et al.
patent: 4309513 (1982-01-01), Ueno et al.
patent: 4624874 (1986-11-01), Schutze
4371688 Feb. 1, 1983, Ikeda et al. 525/133.
4300970 Nov. 17, 1981, Honda et al. 428/492.
Beckmann Guenter
Jadamus Hans
Richter Klaus-Peter
Schafer Wolfgang
Streck Roland
Harbin A.
Huls Aktiengesellschaft
Lesmes George F.
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