Title:
TREATMENT OF AROMATIC POLYAMIDE FIBER
Document Type and Number:
Japanese Patent JP2550242
Kind Code:
B
Abstract:
PURPOSE: To provide a treatment method to prevent frays of polyamide single fiber bared on a belt end during preparation when applied as a reinforcing fiber of a power transmission belt, to improve adhesion of an aromatic polyamide fiber to a matrix rubber and not to reduce fatigue resistance.
CONSTITUTION: Aromatic polyamide yarn is treated with an agent comprising a liquid rubber having hydroxyl groups on both ends and 500-10,000 molecular weight and a liquid rubber having isocyanate groups on both ends and 500-10,000 molecular weight, heat treated at 100-260°C for 30-210 seconds and twisted in a range of 1≤K≤5 (K=T×D1/2/2874, K; twist coefficient, D; denier), and then an adhesive containing RFL(Resorcin-formalin latex) is applied to the treated yarn.
Inventors:
Takada, Tadahiko
Yamaguchi, Masahiro
Yamaguchi, Masahiro
Application Number:
JP1991000252792
Publication Date:
August 08, 1996
Filing Date:
September 05, 1991
Export Citation:
Assignee:
TEIJIN LTD
International Classes:
C08J5/06; D02G3/48; D06M15/693; D06M101/00; D06M101/16; D06M101/30; D06M101/34; D06M101/36; C08J5/04; D02G3/48; D06M15/693; (IPC1-7): D06M15/693; C08J5/06; D02G3/48
Previous Patent: WOVEN SPECIAL BELT FOR CORRUGATED MACHINE
Next Patent: STEERING-ANGLE DETECTING APPARATUS
Next Patent: STEERING-ANGLE DETECTING APPARATUS