FUNCTIONALIZATION OF POLY(PROPYLENE) BY ISOCYANATE GROUPS

Authors
BRAUN D SCHMITT MW
Citation
D. Braun et Mw. Schmitt, FUNCTIONALIZATION OF POLY(PROPYLENE) BY ISOCYANATE GROUPS, Polymer bulletin, 40(2-3), 1998, pp. 189-194
Citations number
11
Categorie Soggetti
Polymer Sciences
Journal title
Polymer bulletin → ACNP
ISSN journal
01700839
Volume
40
Issue
2-3
Year of publication
1998
Pages
189 - 194
Database
ISI
SICI code
0170-0839(1998)40:2-3<189:FOPBIG>2.0.ZU;2-5
Abstract
Isotactic poly(propylene) (PP) was grafted with m-isopropenyl-alpha,al pha-dimethylbenzylisocyanate (TMI) using tert-butyl cumyl peroxide as free-radical initiator. The amount of grafted TMI increased with incre asing initial initiator concentration, whereas the molecular weight of PP decreased. An increase of the amount of grafted TMI resulted in a decrease of the PP melting point, onset-temperature, and heat of fusio n. The TMI-grafted PP was used as compatibilizer in PP/polyamide 6 and PP/polyamide 66 blends.