Process utilizing release agent

Details Process utilizing release agent Process utilizing release agent

B - Operations, Transporting

29

C

18/1035, 18/1194

B29C 33/60 (2006.01)

Patent

CA 1126461

PROCESS UTILIZING RELEASE AGENT Abstract of the Disclosure In the manufacture of plastic articles, particularly thermoset plastic sheets having good optical properties, by a process which involves forming the article on a surface to which the article tends to adhere, numerous and important advantages are realized by using, as a release agent which facilitates removal of the article from the surface, a salt of an addition product of an organic substituted lower alkylene oxide, preferably of the formula R1-X(C2H4O)n-R2, wherein: R1 is an alkyl group of about 8 to about 18 carbon atoms or an alkaryl group of about 6 to about 12 carbon atoms in the side chain; X is O-, NH-, CO-O-, or CO-NH-; n is an integer third the range of 1 to about 100; and R2 is a neutralized acid radical.

298372

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