Process for preparing aromatic sulfur-containing polymers

Details Process for preparing aromatic sulfur-containing polymers Process for preparing aromatic sulfur-containing polymers

1997-03-21

1999-04-13

Dawson, Robert

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

Synthetic resins

From sulfur-containing reactant

C08G 7514

Patent

active

058940723

ABSTRACT:
In a process for preparing aromatic sulfur-containing polymers, the polymer is formed from a prepolymer having halogen end groups. During preparation of the prepolymers, an alkali equivalent and a sulfur equivalent in a ratio of 0.5 to 1:1 is employed in the reaction mixture. The two-step process is particularly suitable for preparing polyphenylene sulfide.

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patent: 5688908 (1997-11-01), Haubs et al.
"Textbook of Polymer Science," F.W. Billmeyer, Jr., Ed., pp. 338-343, Interscience Publishers, John Wiley and Sons, New York (1963).

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