Molding compositions of polyvinyl chloride and polymerizable pla

Details Molding compositions of polyvinyl chloride and polymerizable pla Molding compositions of polyvinyl chloride and polymerizable pla

1983-12-30

1985-01-29

Marquis, Melvyn I.

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

Synthetic resins

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

525121, C08L 6302, C08L 2722

Patent

active

044966920

ABSTRACT:
Improved molding composition comprising (1) polyvinyl chloride, which is blended with a dehydrochlorinating agent such as a stannous salt; (2) a free-radically polymerizable monomer and/or macromer, wherein the monomer contains at least one terminal CH.sub.2 .dbd.C< group per molecule and the macromer contains at least one double bond in the polymeric backbone; (3) an ionically polymerizable monomer and/or macromer containing the oxirane group ##STR1## with an optional curing agent; (4) a heterofunctional monomer containing at least one oxirane group and at least one CH.sub.2 .dbd.C< group per molecule; and (5) a free radical initiator results in an improvement in thermo-mechanical properties.

REFERENCES:
patent: 4087480 (1978-05-01), Takahashi et al.

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