Branched arylene sulfide polymer production

Details Branched arylene sulfide polymer production Branched arylene sulfide polymer production

1977-04-29

1978-09-26

Marquis, Melvyn I.

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

Synthetic resins

From sulfur-containing reactant

528323, 264331, C08G 7516

Patent

active

041169476

ABSTRACT:
Branched arylene sulfide polymers of low melt flow are produced by employing (1) a p-dihalobenzene, (2) a polyhalo aromatic compound having more than two halogen substituents per molecule, (3) an alkali metal sulfide, (4) an N-alkyl lactam, and (5) controlled amounts of water in the presence or absence of a sodium carboxylate. The resulting polymers without prior curing can be fabricated into shaped products having desirable properties.

REFERENCES:
patent: 3354129 (1967-11-01), Edmonds, Jr. et al.
patent: 3790536 (1974-02-01), Vidaurri, Jr.
patent: 3919177 (1975-11-01), Campbell

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