Method for producing rubber modified thermoplastic resins

Details Method for producing rubber modified thermoplastic resins Method for producing rubber modified thermoplastic resins

1986-05-20

1987-09-01

Pertilla, Theodore E.

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

Synthetic resins

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

525 67, 525 71, 525 73, 525 80, 525 86, 525100, 525103, 525106, 528501, C08L 5100

Patent

active

046909745

ABSTRACT:
Disclosed is a method for producing a rubber modified thermoplastic resin excellent in surface appearance and various properties and high in commercial values which comprises removing an aqueous phase from a two-phase mixture comprising a graft rubber polymer latex (1) obtained by graft polymerization of vinyl monomer on a rubber latex, a thermoplastic resin (2), an organic agent in an amount of 0.1 to 6 times the weight of all the polymers (3) which is capable of dissolving said thermoplastic resin (2) and has a solubility in water of 5% by weight or less at 25.degree. C. and a water soluble agent in an amount of 10% by weight or less of said graft rubber polymer which can coagulate said latex and then removing said organic agent and remaining water from the remaining organic phase by a thermal means.

REFERENCES:
patent: 4105510 (1978-08-01), Tago et al.

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