Process for the manufacture of elastic articles from poly(monovi

Details Process for the manufacture of elastic articles from poly(monovi Process for the manufacture of elastic articles from poly(monovi

1994-06-20

1996-04-23

Ryan, Patrick J.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

264203, 264205, 2642108, D01F 600

Patent

active

055100724

ABSTRACT:
A process for the manufacturing of elastic articles such as fibers, yarns, or films, from substantially pure selectively hydrogenated block copolymers, comprising at least two blocks predominantly derived from monoalkylene aromatic monomer and at least one block predominantly derived from one or more conjugated dienes and having a number average molecular weight of at least 70,000, comprising the steps of preparing a solution or a gel of said block copolymer with an apolar organic non-aromatic solvent and processing said solution or gel through a fiber forming orifice.

REFERENCES:
patent: 4137394 (1979-01-01), Meihuizen et al.
patent: 4369284 (1983-01-01), Chen
patent: 4618213 (1984-01-01), Chen

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