Cytec Industries Inc.

Suzanne Crawford

Thomas Baker Taylor

John Desmond Cook

Billy D Harmon

Longgui Tang

Jeremy Moskowitz

Alan D Thomas

Shao C Chiu

Varun Kumar

Girish Vishnukant Deshpande

Barry DeWayne Meece

The present disclosure relates to the control of the degree of swelling of polymer fiber, such as polymer fiber used in the manufacturing of composite materials, by control of the pH of the coagulation bath during spinning.

Controlling the degree of swelling of polymer fibers during coagulation

The present disclosure relates generally to carbon fibers having high tensile strength and modulus of elasticity, as well as a process for the manufacture of such carbon fiber. The process comprises spinning a polymer/solvent solution into a solvent/water bath in the range of 78%-85% solvent, thereby producing a dense fiber structure, and subsequently carbonizing the polymer precursor fiber at a lower than typical carbonization temperature to form carbon fibers.

Manufacture of intermediate modulus carbon fiber

Growing community of inventors

Anderson, SC, United States of America

Suzanne Crawford