Industrial fabric and yarn made from recycled polyester
AssigneeAstenJohnson, Inc.
InventorJohn R. Reither
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Abstract
A polymer blend of fresh polymer, recycled polymer, polymeric stabilizer, wherein the recycled polymer comprising a carboxyl end group, and the polymeric stabilizer is reactive with such a carboxyl end group; also a yarn or fiber made from such a blend and an industrial fabric, especially a papermaker's fabric, made from such a yarn or fiber; also the process of making such a yarn or fiber.
Claims20
A yarn having sufficient heat stability and hydrolysis resistance for use in a papermaking fabric, said yarn formed from a blend comprising recycled polymer polyester, fresh polymer, and a polymeric stabilizer, wherein the recycled polymer polyester was reacted with the polymeric stabilizer so that the yarn is substantially free of unreacted carboxyl end groups.
Dependencies are inferred from the claim text.