Process for sizing spun yarns

Fabric (woven – knitted – or nonwoven textile or cloth – etc.) – Coated or impregnated woven – knit – or nonwoven fabric which... – Coated or impregnated natural fiber fabric

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8495, 4273899, 427392, 427401, 524831, 442187, B32B 700

Patent

active

056269528

ABSTRACT:
A process for sizing spun yarns by adding urea in an amount of about 10 to 50% by weight of the weight of a polyacrylamide polymer, wherein the polymer and urea are applied in an amount sufficient to impart a high order of abrasion resistance to the yarn.

REFERENCES:
patent: 4515855 (1985-05-01), Ling
patent: 5264251 (1993-11-01), Geursen et al.
patent: 5397633 (1995-03-01), McAbee et al.

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