Title:
A POROUS POLYPROPYLENE MODIFIED FIBRE, THE PROCESS AND THE USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2007/000086
Kind Code:
A1
Abstract:
A porous polypropylene modified fibre, the method for preparing which comprises
mainly mixing the fibre grade chips of polypropylene and the additives, then
forming a high-strength porous polypropylene filaments by high-pressure spinning
and multiple stretching, said additives include the surfactant(s) for improving
the hydrophility of the fibre and the inorganic micropowder(s) for forming concavo-convex
holes while the filaments are being drawn. An important use of the end product
is to improve the spalling resistance of a concrete structural member in the condition
of high temperature by adding the staple of said product to a concrete or mortar.
The staple from present invention has a high dispersibility, surface binding
power and excellent mechanical behaviors, the building fire hazard raised by
concrete structural member spalling under high temperature is lowed considerably
because of the addition of the staple.
Inventors:
WANG YIMIN (CN)
NI JIANHUA (CN)
HE WEIPING (CN)
TANG HUIGONG (CN)
NI JIANHUA (CN)
HE WEIPING (CN)
TANG HUIGONG (CN)
Application Number:
PCT/CN2005/002413
Publication Date:
January 04, 2007
Filing Date:
December 30, 2005
Export Citation:
Assignee:
SHENZHEN OCEAN POWER IND CO LT (CN)
WANG YIMIN (CN)
NI JIANHUA (CN)
HE WEIPING (CN)
TANG HUIGONG (CN)
WANG YIMIN (CN)
NI JIANHUA (CN)
HE WEIPING (CN)
TANG HUIGONG (CN)
International Classes:
D01D5/24; C04B16/06
Foreign References:
| CN1273951A | 2000-11-22 | |||
| JPS59128245A | 1984-07-24 |
Attorney, Agent or Firm:
SHENZHEN TRUER PATENT & TRADEMARK AGENT CO. LTD. (Hualian Building No. 2008, Shennan Zhong Roa, Shenzhen Guangdong 1, CN)
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