Process for the production of matte, non-blocking, thin-walled m

Details Process for the production of matte, non-blocking, thin-walled m Process for the production of matte, non-blocking, thin-walled m

1986-01-30

1987-04-07

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

264 452, 264 455, 264 459, 264 463, 264 51, 264 54, 264175, 264176R, 2641761, 2641771, 521 80, 521114, 521115, 521116, 521163, 521170, 521173, 521174, 521176, 524724, 524728, 524750, 524755, C08G 1814

Patent

active

046561994

ABSTRACT:
The present invention is directed to a process for the production of matte, non-blocking, thin-walled molded articles, films or tubes from polyurethane elastomers prepared from high molecular weight polyols which contain dispersed polyadducts based on polyisocyanate polyaddition products. The use of these high molecular weight polyols contained dispersed polyadducts allows for the preparation of thin-walled, molded articles which have reduced surface tackiness. The present invention is additionally directed to the molded articles produced by this process and to their use for forming polyurethane foam composites.

REFERENCES:
patent: 3360495 (1967-12-01), Muller et al.
patent: 4089835 (1978-05-01), Konig et al.
patent: 4093569 (1978-06-01), Reischl et al.
patent: 4147680 (1979-04-01), Reischl et al.
patent: 4250292 (1981-02-01), Niederdellmann et al.
Becker/Braun, Kunststoff-Handbuch, vol. 7, "Polyurethane", Carl Hanser Verlag, Munich-Vienna, 1983, pp. 428-440.

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