Absorbent products and their manufacture

Details Absorbent products and their manufacture Absorbent products and their manufacture

1989-05-19

1991-03-05

Schofer, Joseph L.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

428396, 428523, 2642101, 2642103, 2642104, 264211, 264129, 264134, 264205, B32B 2702

Patent

active

049977148

ABSTRACT:
Film or fibre is made from a polymer of water soluble ethylenically unsaturated monomeric material that includes ionic monomer by extrusion and stretching, and a counterionic lubricant compound is absorbed into the surface of the fibre or film before or during the stretching. The counterionic lubricant compound is also of use for providing a lubricated film on other extruded or comminuted elements of water swellable or water soluble polymeric material.

REFERENCES:
patent: 3926891 (1975-12-01), Gross et al.
patent: 3980663 (1976-09-01), Gross
patent: 4057521 (1977-11-01), Gross
patent: 4735658 (1988-04-01), Blet et al.
patent: 4778836 (1988-10-01), Farrar et al.
patent: 4861539 (1989-08-01), Allen et al.
Nakajima, Nobuyuki, "Fractionation of Linear Polyethylene with GPC", Advances in Chemistry Series 125, ACS, Washington, DC (1973).
Tadmor et al., Principles of Polymer Processing, John Wiley & Sons, New York, 1979, pp. 542-543.
Billmeyer, Jr., Fred. W., Textbook of Polymer Science, 3rd Ed., John Wiley & Sons, New York, 1984, pp. 16-18.

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