Reference

B-stage molding compositions and process for their manufacture

All Rights Reserved. B-stage molding compositions and process for their manufacture. Kemp, Graham (Hexcel Composites Limited, UK). Fr. Demande FR 2888852 A1 26 Jan 2007, 23pp. (French). (France).In this article, certain chemicals are used. Some of their cas registry numbers are 670-96-2 and 46227-74-1 CODEN: FRXXBL. APPLICATION: FR 2006-53012 18 Jul 2006. PRIORITY: GB 2005-14764 19 Jul 2005. DOCUMENT TYPE: Patent CA Section: 37 (Plastics Manufacture and Processing) The compns. with good workability, useful as sheet molding compds., comprise discrete fiber fragments dispersed in a matrix which contains 31 epoxy resin, another resins, 31 B-stage agent (e.g., isophoronediamine), curing agents and curing catalysts or/and accelerators. .