Molded cellular crosslinked vinyl lactam polymer gel and method

Details Molded cellular crosslinked vinyl lactam polymer gel and method Molded cellular crosslinked vinyl lactam polymer gel and method

1993-08-09

1994-01-18

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521183, 521189, C08J 928

Patent

active

052800490

ABSTRACT:
This invention relates to a foamed, cellular crosslinked vinyl lactam polymer and to a formed rigid product obtained therefrom having dimensional stability and a high Tg above 150.degree. C. The invention also relates to the method of preparing said molded cellular polymer.

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patent: 4022719 (1977-05-01), Okuyama et al.
patent: 4026834 (1977-05-01), Cordes et al.
patent: 4028287 (1977-06-01), Sato et al.
patent: 4065401 (1977-12-01), Cohen et al.
patent: 4585805 (1986-04-01), Gagliani et al.
patent: 4604409 (1986-08-01), Gagliani et al.

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