Process for preparing partially dissolvable and splittable conju

Details Process for preparing partially dissolvable and splittable conju Process for preparing partially dissolvable and splittable conju

1990-03-29

1991-09-10

Lorin, Hubert C.

Plastic and nonmetallic article shaping or treating: processes

With twining, plying, braiding, or textile fabric formation

264148, 264151, 264171, 26421115, 2642107, 2642108, 26421117, 264234, 264345, D01D 526, D01D 536

Patent

active

050471899

ABSTRACT:
There is provided a process for preparing a partially-dissolvable and splittable conjugated microfiber with a cross-section having a matrix comprising orange-wedge shaped islands slightly connected with each other at the tips of the islands at a common matrix center. The conjugated fibers can be made into filaments and staple fibers. Filaments are spun, taken-up and then textured by means of a belt nip twister. The resulting texture yarns may then be partially dissolved, following weaving, to split. Staple fiber is processed into a non-woven fabric or, by spinning, to spun yarn and then by weaving thereof. The staple fibers can be made into fabrics such as suede fabrics, water-resistant and humidity-permeable high density fabrics, and peachskin fabrics.

REFERENCES:
patent: 3853977 (1974-12-01), Matsui et al.
patent: 3916611 (1975-11-01), Matsui et al.
patent: 4369156 (1983-01-01), Mathes et al.
patent: 4381274 (1983-04-01), Kessler et al.
patent: 4447489 (1984-05-01), Linhart et al.
patent: 4460649 (1984-07-01), Park et al.
Article titled "LOY-MOY-POY-HOY-FOY?", by H. Treptow, Man-Made Fiber Year Book (CTI), 1986, p. 6.

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