Patent · US Expired

Method for manufacturing polyester fibers with good adhesion to rubber

US4374031A · kind A · utility

8Cited by
5References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 29, 1981
Grant dateFeb 15, 1983
Priority date
Expiry dateMay 29, 2001

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD06M2200/40
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

This invention is a method for manufacturing polyester fibers with good adhesion to rubber, characterized in that in the process of making the filaments, a filament-making oil (spin finish) containing epoxy, blocked isocyanate, and polyoxyalkylene amine compounds is added to the polyester fibers, and they are then heat-treated.

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