Multifilament yarn with adhesive polymer component

Details Multifilament yarn with adhesive polymer component Multifilament yarn with adhesive polymer component

1991-01-02

1992-08-25

Beck, Shrive

Coating processes

With post-treatment of coating or coating material

Heating or drying

4272082, 427198, 57351, 28252, 28281, 28273, B05D 302

Patent

active

051417804

ABSTRACT:
The invention is directed to a process for producing bulked synthetic multifilament yarn comprising a plurality of continuous synthetic filaments having deposited thereon at intermittent intervals an adhesive polymer component having a melting temperature below that of the continuous synthetic filaments. The process comprises texturizing synthetic multifilament yarn to obtain desired bulk characteristics by directing heated yarn in a current of heated fluid against a yarn plug contained in a texturizing chamber, applying said adhesive polymer component in a molten condition to the surface of said yarn plug, and continuously discharging texturized yarn from said texturizing chamber at a lower linear rate than the feed rate of said yarn to said texturizing zone while said adhesive polymer component is still in a molten but solidifying state, resulting in bulked synthetic multifilament yarn having the adhesive polymer component deposited thereon at intermittent intervals.

REFERENCES:
patent: 2911784 (1959-11-01), Vandervoort
patent: 3284871 (1966-11-01), Yano et al.
patent: 3739567 (1973-06-01), Williamson
patent: 3955254 (1976-05-01), Delarue et al.
patent: 4080347 (1978-03-01), Hefele
patent: 4120078 (1978-10-01), Martin et al.
patent: 4555430 (1985-11-01), Mays
patent: 4871604 (1989-10-01), Hackler

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