Title:
NYLON FIBER FOR REINFORCING HYDRAULIC MATERIAL, METHOD FOR PRODUCING NYLON FIBER FOR REINFORCING HYDRAULIC MATERIAL, AND HYDRAULIC MATERIAL USING THE SAME
Document Type and Number:
Japanese Patent JP2017222958
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide low-cost nylon fiber for reinforcing a hydraulic material having high fracture energy of the hydraulic material, and a method for producing the nylon fiber for reinforcing the hydraulic material and the hydraulic material using the method therefor.SOLUTION: Provided is nylon fiber for reinforcing a hydraulic material made of short fiber. The nylon fiber is the fiber essentially consisting of nylon 66 in which a melt flow rate at 270°C is 10 to 70 g/10 min, having single fiber strength of 5.4 to 9.0 cN/dex and fracture elongation of 15 to 80%. Also provided is a method for producing the nylon fiber for reinforcing the hydraulic material where the nylon 66 in which an MFR at 270°C is 10 to 70 g/10 min is melt-spun, is subjected to wet drawing in the presence of water heated at 10 to 80°C, and is thereafter heat-set at a dry heat temperature higher than the drawing temperature. Also provided is the hydraulic material containing the nylon fiber, and containing the nylon fiber by 0.01 to 5 Vol% provided that the hydraulic material is defined as 100 Vol%.SELECTED DRAWING: Figure 4
Inventors:
KIKUTA TAKATSUNE
OKAYA HIROSHI
SATO SHUNSUKE
OKAYA HIROSHI
SATO SHUNSUKE
Application Number:
JP2016121003A
Publication Date:
December 21, 2017
Filing Date:
June 17, 2016
Export Citation:
Assignee:
KIKUTA TAKATSUNE
DAIWABO HOLDINGS CO LTD
DAIWABO POYTECH KK
DAIWABO HOLDINGS CO LTD
DAIWABO POYTECH KK
International Classes:
D01F6/60; C04B16/06; C04B28/02
Attorney, Agent or Firm:
Ikeuchi, Sato & Partners
Previous Patent: Lap take-up motion
Next Patent: A valuation method and coated paper for printing of ink drying characteristics
Next Patent: A valuation method and coated paper for printing of ink drying characteristics