Adhesive-coated multifilament yarn of an aromatic polyamide

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including interlaminar mechanical fastener

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57242, 57251, 428229, 428267, 428395, 428413, 428492, 428902, D03D 300

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046524886

ABSTRACT:
A multifilament yarn of an aromatic polyamide, in particular poly-p-phenylene terephthalamide, is provided with an adhesive coating of a cured epoxy compound, the yarn having a free epoxide content not higher than 10 mmoles/kg. The yarn is made by spinning a solution of an aromatic polyamide into a coagulation bath and subjecting the resulting filaments to the subsequent steps of washing, applying a curable epoxy compound and one or more alkaline curing agents, curing and winding the yarn thus treated into a package. The resulting yarn can be processed into a reinforcing element for, e.g., tires in a one-step dipping process. A cord made from the yarn displays an improved resorcinol-formaldehyde-latex dip pickup.

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patent: 4259404 (1981-03-01), Gils
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patent: 4368615 (1983-01-01), Lammers
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Chemical Abstracts, vol. 86, No. 16, Jul. 18, 1977, p. 67, No. 107, 927 H: Abstract of Japanese Patent Application No. 76 143 724, Asahi Chemical Industry Co., Ltd., 10-12-1976.

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