Process for the production of cast films from polyaryl sulphone/

Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – By casting liquids on a solid supporting or shaping surface

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Details

2642884, 525906, 525462, 524537, 524376, B29D 702

Patent

active

043437567

ABSTRACT:
Mixtures of polyaryl sulphones and polycarbonates solutions made stable by the introduction of solubilizing agents are used to prepare cast films of improved properties.

REFERENCES:
patent: 3365517 (1968-01-01), Barth
patent: 3431230 (1969-03-01), Jackson, Jr. et al.
patent: 4152367 (1979-05-01), Binsack et al.

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