Patent · US Expired

Production of non-foaming aqueous suspensions of polyethylene or polypropylene fibrids

US3950293A · kind A · utility

7Cited by

2References

4Claims

0Family size

Assignee

BASF SE

Inventors

Bruno Sander · Ludwigshafen, DE
Eckhard Bonitz · Bischofswerda, DE
Heinz Berbner · Prüm, DE
Manfred Hoffmann · Würzburg, DE

Key dates

Filing date	Oct 17, 1974
Grant date	Apr 13, 1976
Priority date	—
Expiry date	Oct 17, 1994

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD21H17/33
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

Aqueous suspensions of polyolefin fibrids are prepared. To avoid foam formation and improve fiberbonding, small amounts of anionic agents are added to the suspensions. The suspensions are suitable for the manufacture of paper-like or textile-like web structures distinguished by very good fiber bonding and good initial wet strength.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.