Process for the production of matte, non-blocking,...

Details Process for the production of matte, non-blocking,... Process for the production of matte, non-blocking,...

B - Operations, Transporting

29

C

18/1216

B29C 67/24 (2006.01) C08G 18/08 (2006.01) C08G 18/40 (2006.01) C08L 75/04 (2006.01)

Patent

CA 1271613

PROCESS FOR THE PRODUCTION OF MATTE, NON-BLOCKING THIN-WALLED MOLDED ARTICLES FROM LINEAR THERMOPLASTIC POLYURETHANE ABSTRACT OF THE DISCLOSURE 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 polyiso- cyanate 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.

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