Expandable styrene-maleic anhydride copolymer particles and a pr

Details Expandable styrene-maleic anhydride copolymer particles and a pr Expandable styrene-maleic anhydride copolymer particles and a pr

1980-05-02

1981-07-14

Foelak, Morton

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264 467, 264 53, 264337, 264338, 521 53, 521 56, 521 60, 521 88, 521147, C08J 918

Patent

active

042786274

ABSTRACT:
Expandable styrene-maleic anhydride copolymer particles in which the base copolymer is chemically modified with a hydroxy compound such as 1,4-butanediol, diethylene glycol, glycerine or bisphenol which are useful in the production of various foamed articles having low density without overcharging thereof and good thermal stability.

REFERENCES:
patent: 3547838 (1970-12-01), Moore et al.
patent: 3742103 (1973-06-01), Spicuzza, Jr.
patent: 3770668 (1973-11-01), Corbett et al.
patent: 3975327 (1976-08-01), Nintz et al.

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