Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing
Patent
1984-10-26
1987-09-01
Page, Thurman K.
Stock material or miscellaneous articles
Hollow or container type article
Polymer or resin containing
427 2, 4273935, 4274071, 428 12, 604 53, F16L 1104, A01N 102, B05D 302
Patent
active
046908447
ABSTRACT:
Disclosed are several methods of parting rubber from an underlying surface. Polyvinyl alcohol, methylcellulose, starch derivatives and dextran are all suitable parting agents of rubber. Polyvinyl pyrrolidone is a paticularly effective parting agent for use in the formation of balloon-type medical catheters; it is also useful as a parting agent in the formation of synthetic membranes, blood vessels and conduits. The invention includes the method of use of these parting agents as well as the products formed by the disclosed process(es). Also disclosed is a method of forming a synthetic blood vessel of a polymer material, e.g., polyurethane.
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