Polyaryl-sulphones containing an ammonium or metal salt of an or

Details Polyaryl-sulphones containing an ammonium or metal salt of an or Polyaryl-sulphones containing an ammonium or metal salt of an or

1979-03-07

1981-03-17

Woodberry, Edward M.

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

Synthetic resins

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

525535, C08F28300, C08G 7523

Patent

active

042568625

ABSTRACT:
Modified polyaryl-sulphones comprise one or more polyaryl-sulphones and one or more ammonium salts or metal salts of organic sulphonic acids, preferably 0.01 to 5% by weight, relative to the total weight of polyaryl-sulphone plus salt of sulphonic acid, of the one or more organic sulphonic acid salts. These simply produced modified polyaryl-sulphones do not suffer from embrittlement under load, and susceptability to stress-cracking under the influence of solvents and of solutions of unsaturated polyester resins experienced by unmodified polyaryl-sulphones. The modified polyaryl-sulphones are particularly suitable for the production of containers, tubes, sheets and films.

REFERENCES:
patent: 3787363 (1974-01-01), Staniland et al.
patent: 4021395 (1977-05-01), Vary
patent: 4092291 (1978-05-01), Mark

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