High temperature copolyester monofilaments with enhanced knot te

Details High temperature copolyester monofilaments with enhanced knot te High temperature copolyester monofilaments with enhanced knot te

1992-02-03

1994-02-01

Short, Patricia A.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including interlaminar mechanical fastener

428225, 524513, 525165, 525173, 525174, C08L 6702, D03D 100, D03D 1512

Patent

active

052831108

ABSTRACT:
A high temperature copolyester monofilament exhibits enhanced knot tenacity and is formed from the extrusion of a polymer blend of a copolyester resin and a fluoropolymer resin. Additives such as thermal stabilizers may be added to the polymer blend. The polymer blend may be extruded in the presence of other additives such as a hydrolytic stabilizer. The monofilament exhibits a higher average knot tenacity, a higher minimum knot tenacity, a narrower knot tenacity range and lower standard deviation as compared to standard high temperature copolyester monofilaments. A dryer fabric comprises a plurality of woven copolyester monofilaments having enhanced knot tenacity, the monofilaments comprising a polymer blend of copolyester resin and fluoropolymer resin, and may further include thermal stabilizers and hydrolytic stabilizers.

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