Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1985-05-16
1987-06-16
Seccuro, Carman J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525197, 525238, 525210, 525222, 525227, 525 57, 525239, C08L 2310, C08L 2504
Patent
active
046737111
ABSTRACT:
A resin composition is disclosed which comprises a blend of from about 40 to about 95 percent by weight thereof of a first polymeric component and from about 50 to about 5 percent by weight thereof of a second polymeric component, the blend being characterized by an interior region containing a disproportionately higher content of first polymeric component and an exterior region containing a disproportionately higher content of second polymeric component, the first polymeric component being selected from the group consisting of amorphous homopolymer of styrene or lower alkyl substituted styrene and amorphous copolymer of styrene and/or alkyl substituted styrene containing up to about 40 weight percent thereof of at least one other olefinic monomer copolymerized therewith and the second polymeric component being selected from the group consisting of crystalline homopolymer of propylene and crystalline copolymer of propylene containing up to about 30 weight percent thereof of at least one other olefinic monomer copolymerized therewith.
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Sharps, Jr. Gordon V.
Su Tien-Kuei
Gilman Michael G.
McKillop Alexander J.
Mobil Oil Corporation
Seccuro Carman J.
Speciale Charles J.
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