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Methods for Manufacturing Polyurethanes

Summary: This invention provides water-dispersible polyurethanes made by reacting a difunctional alcohol, a difunctional isocyanate, and a chain extender containing reactive hydrogen groups, and then neutralizing. This invention also provides aqueous polyurethane dispersions.

Supplementary Information: Patent Number: GB2423993B
Application Number: GB200612124A
Inventor: HU, JINLIAN | YANG, ZHUOHONG | YEUNG, KWOK-WING | MONDAL, SUBRATA
Priority Date: 19 Nov 2003
Priority Number: GB2423993B
Application Date: 18 Nov 2004
Publication Date: 21 May 2008
IPC Current: C08G001865 | C08G001808 | C08G001810 | C08G001842 | C08L007504 | C09D017504
Assignee Applicant: The Hong Kong Polytechnic University
Title: Methods for manufacturing polyurethanes
Usefulness: Methods for manufacturing polyurethanes
Summary: For the manufacture of polyurethane (claimed) used in textiles and garments.
Novelty: Manufacture of polyurethane for textiles and garments, involves heating mixture of difunctional alcohol and difunctional isocyanate, adding chain extender containing reactive hydrogen groups, and neutralizing the mixture by neutralizer

Industry: Chemical/Material

Sub Category: Chemical/Material Application

Others: HU Jinlian
YANG Zhuohong
YEUNG Kwok-wing
MONDAL Subrata

Country/Region: United Kingdom

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