Compatible polymer blends

Details Compatible polymer blends Compatible polymer blends

1989-05-26

1991-01-15

McCamish, Marion C.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525206, 525227, C08L 3904, C08L 3700, C08L 4100

Patent

active

049855042

ABSTRACT:
Polymer blends composed of two different polymers P1 and P2, which form compatible polymer mixtures where polymer P1 is composed of at least 20 and up to 100% by weight of styrene and polymer P2 is composed of at least 20 and up to 100% by weight of monomers with Formula I ##STR1## where R.sub.1 is hydrogen, methyl or a group ##STR2## and where R.sub.2 or R.sub.2 ', are a group ##STR3## where n is 0-3, R.sub.3 is a 5-8 membered heterocyclic ring, optionally substituted, containing at least 2 hetero atoms in the ring, one heteroatom being oxygen, and R.sub.4 is hydrogen or an alkyl group with 1-6 carbon atoms.

REFERENCES:
patent: 2925399 (1960-02-01), Schneider et al.
patent: 3253060 (1966-05-01), Koblitz et al.
patent: 3458391 (1969-07-01), Miller, Jr.
patent: 3459843 (1969-08-01), Fischler

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