METHOD OF PREPARING WATER-DISPERSIBLE POLYOLEFIN FIBERS AND PRODUCT FORMED THEREFROM

• US 3,848,027 A
• Filed: 02/26/1973
• Issued: 11/12/1974
• Est. Priority Date: 08/02/1971
• Status: Expired due to Term

• Current Assignee: Forbess D, Kindler W, Marti R
• Original Assignee: Forbess D, Kindler W, Marti R
• Inventors: FORBESS D, KINDLER W, MARTI R
• Application Number:
  US05/335,965
• Time in Patent Office: 624 Days
• US Class Current: 525/57
• CPC Class Codes: C08J 2323/02 not modified by chemical after treatment
• CPC Class Codes: C08J 3/16 by coagulating dispersions C08J3/122 takes precedence
• CPC Class Codes: D21H 13/14 Polyalkenes, e.g. polystyrene polyethylene
• CPC Class Codes: D21H 17/36 Polyalkenyalcohols; Polyalkenylethers; Polyalkenylesters
• CPC Class Codes: D21H 5/1254 of fibres which have been treated to improve their dispersion in the paper-making furnish

Abstract

1. A METHOD OF FORMING WATER-DISPERSIBLE POLYOLEFIN FIBERS COMPRISING VAPORIZING SOLVENT FROM AN AQUEOUS MASS OF SOLVENT-CONTAINING POLYOLEFIN FIBERS, IN THE PRESENCE OF BETWEEN ABOUT 0.1% AND ABOUT 10% BY WEIGHT POLYVINYL ALCOHOL BASED ON THE DRY WEIGHT OF THE FIBERS.

Claims

1. A METHOD OF FORMING WATER-DISPERSIBLE POLYOLEFIN FIBERS COMPRISING VAPORIZING SOLVENT FROM AN AQUEOUS MASS OF SOLVENT-CONTAINING POLYOLEFIN FIBERS, IN THE PRESENCE OF BETWEEN ABOUT 0.1% AND ABOUT 10% BY WEIGHT POLYVINYL ALCOHOL BASED ON THE DRY WEIGHT OF THE FIBERS.