Polyvinyl alcohol based fibre and preparing method thereof

Application Number: 00107066
Application Date: 2000.04.27
Publication Number: 1320730
Publication Date: 2001.11.07
Priority Information:
International: D01F6/50
Applicant(s) Name: Kuraray Co., Ltd.
Address:
Inventor(s) Name: Yamamoto Yoichi;Yamamoto Ryo;Hikasu Junichi
Patent Agency Code: 11038
Patent Agent: liu jinhui
Abstract The present invention provides a sheath-core structure of polyvinyl alcohol based fibre with the strength of single filament of 9g/D or above, the initial modulus of the single filament of 170g/D or above, the cross section roundness of single filament of 57% or below, and the boric acid and salt total content of single filament of 0.4% by weight or less. The polyvinyl alcohol based fibre with sheath-core structure possesses an excellent property to be a reinforcing body since it has a high mechanical property, a high anti-adherent property and a small cross section roundness.