Process for chemically bonding moulding compositions based on aliphatic polyamides to rubbers containing carboxyl groups and the materials produced by this process
CA 1315936 C · Owner: Degussa Ag · Inventors: Gerth, Christian; Richter, Klaus-Peter; GROßE-PUPPENDAHL, THOMAS
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for chemically bonding a thermoplastic and a rubber is disclosed. The process comprises covulcanizing a rubber composition comprising a carboxyl group-containing rubber a peroxidic vulcanizing agent and optionally further components with a thermoplastic composition which contains at least 30 per cent by weight of aliphatic polyamides. The materials produced by the process are stable to solvents and show an excellent bonding strength and stability to weathering. The materials are preferably employed as composite materials.
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted April 13, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 13, 2010.
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Timeline
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.