Location: Plant Polymer Research
Title: Spandex Containing a Mixture of Phenolic Authors
|Houser, Nathan - DUPONT|
Submitted to: Meeting Abstract
Publication Type: Abstract Only
Publication Acceptance Date: January 25, 2005
Publication Date: January 25, 2005
Citation: Houser, N.E., Selling, G.W. Spandex containing a mixture of phenolic. 2005. U.S. Patent Application 6,846,866. Technical Abstract: The invention provides polyurethane containing a)a first additive comprising at least one mono-hindered hydroxyphenyl group and having a molecular weight of at least about 300 Daltons; b)a second additive selected from the group consisting of i)condensation polymers of p-cresol and divinyl benzene and ii)compounds comprising at least one unsymmetrically di-hindered hydroxyphenyl group and having a molecular weight of at least about 300 Daltons; and c)an inorganic chlorine-resist additive. The polyurethane of the invention exhibits improved resistance to degradation by chlorine and by atmospheric fumes.