Process of making water-absorbent, water-insoluble, cross linked

Details Process of making water-absorbent, water-insoluble, cross linked Process of making water-absorbent, water-insoluble, cross linked

1987-11-20

1989-08-29

Lorin, Hubert

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

264205, 2642102, 2642106, 2642108, 264211, 26421113, 26421114, 264236, 264347, D01D 102, D01D 1002

Patent

active

048615390

ABSTRACT:
Water absorbent, water insoluble, cross linked polymer fibre or film can be made by dry extrusion of a solution of a substantially linear polymer formed from a water soluble blend of monoethylenically unsaturated monomers comprising a plasticizing monomer, evaporating the solvent and forming polymeric fibre or film plasticized by an external plasticizer, stretching the fibre or film while the external plasticizer remains in the fibre or film, and then cross linking the polymer.

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