0064167-A1 is referenced by 47 patents and cites 2 patents.

Solutions of ultrahigh molecular weigh polymers such as polyethylene in a relatively non-volatile solvent are extruded through an aperture (25) at constant concentration through the aperture and cooled to form a first gel of indefinite length (33). The first gels are extracted (D) with a volatile solvent to form a second gel (41) and the second gel is dried (E) to form a low porosity xerogel (47). The first gel, second gel or xerogel, or a combination, are stretched (F). Among the products obtainable are polyethylene fibers of greater than 38 or even 40 g/denier tenacity and of modulus greater than 1000 or even 1600 or 2000 g/denier.

Title
Process for producing high tenacity, high modulus crystalline thermoplastic article and novel product fibers.
Application Number
EP19820102964 19820407
Publication Number
0064167 (A1)
Application Date
April 7, 1982
Publication Date
November 10, 1982
Inventor
Prevorsek Dusan Ciril
Kavesh Sheldon
Assignee
Allied
US
IPC
D01F 06/04
D02J 01/22
D01F 06/58
D01F 06/02
C08J 05/18
B29C 55/04
B29C 55/00
B29C 49/00
D01F 06/04
D02J 01/22
D01F 06/66
D01F 06/12
D01F 06/06
D01F 06/02
C08J 05/18
B29C 55/04
B29C 55/00
B29C 49/00
D01F 06/04
View Original Source Download PDF