Improved process for resin transfer molding and formulations...

B - Operations – Transporting – 29 – C

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

B29C 70/02 (2006.01) B29C 70/48 (2006.01) C08G 59/18 (2006.01) C08G 59/38 (2006.01) C08J 5/24 (2006.01) C08L 63/00 (2006.01)

Patent

CA 2221810

An improved tackifier for making tackified substrates contains: (a) at least one epoxy resin, and (b) at least one curing agent for the epoxy resin, but (c) no catalytic amount of catalyst for the reaction between the epoxy resin and the curing agent. The tackified substrates are used to make composites by: (1) placing one or more of the tackified substrates in a mold; (2) injecting into the mold a matrix resin formulation which is chemically-similar to the tackifier, except that it contains a catalytic amount of catalyst for the reaction between the epoxy resin and the curing agent; and (3) curing the matrix resin formulation. The tackifiers are more storage-stable than similar tackifiers which contain catalyst, and the resulting composites have and/or retain physical properties better than composites made using tackifiers without curing agent.

Cette invention concerne un agent poissant amélioré destiné à la fabrication de substrats poissés, lequel agent contient (a) au moins une résine époxy et (b) au moins un agent de solidification de la résine époxy, mais (c) aucune quantité catalytique d'un catalyseur de réaction entre la résine époxy et l'agent de solidification. Ces substrats poissés servent à la fabrication de matériaux composites qui comprend les étapes suivantes: (1) placer un ou plusieurs substrats poissés dans un moule; (2) injecter dans le moule une composition de résine matricielle similaire chimiquement à l'agent poissant à l'exception près qu'elle contient une quantité catalytique d'un catalyseur de réaction entre la résine époxy et l'agent de solidification; et (3) solidifier la composition de résine matricielle. Ces agents poissants demeurent plus stables lors de leur stockage que les agents poissants similaires contenant un catalyseur, et les matériaux composites ainsi obtenus possèdent et/ou conservent des propriétés physiques meilleures que celles des matériaux composites obtenus à l'aide d'agents poissants et sans agents de solidification.

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Improved process for resin transfer molding and formulations... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Improved process for resin transfer molding and formulations..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Improved process for resin transfer molding and formulations... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1589522

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.