Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
WHOLLY AROMATIC POLYAMIDE YARN FOR REINFORCING CEMENT, AND METHOD FOR PRODUCING THE SAME
Document Type and Number:
Japanese Patent JP2010037687
Kind Code:
A
Abstract:

To provide a wholly aromatic polyamide yarn which uses a wholly aromatic polyamide yarn produced by a specific production method, is high in a modulus of elongation, is good in loosening and dispersibility in cement and in physical bonding to the cement, can produce cement molded articles hardly cracked, and is used for reinforcing the cement.

The wholly aromatic polyamide yarn for reinforcing the cement has a single fiber fineness of 50 to 200 dtex and a modulus of elongation of 300 cN/dtex, by spinning a wholly aromatic polyamide by a wet method or a semi-dry, semi-wet method, using a plurality of solvent-removing tanks having an immersion length of 10 m and having a solvent concentration gradient, in a process for removing a solvent after the extrusion of a polymer dope.


Inventors:
TAKANO KYOSUKE
Application Number:
JP2008203740A
Publication Date:
February 18, 2010
Filing Date:
August 07, 2008
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
TEIJIN TECHNO PRODUCTS LTD
International Classes:
D01F6/80
Domestic Patent References:
JPH09228254A1997-09-02
JP2005015253A2005-01-20
JPH09310223A1997-12-02
JPH0874123A1996-03-19
JPH11222719A1999-08-17
JPH09228254A1997-09-02
Attorney, Agent or Firm:
Shigetaka Shirai