Hot processing of polyurethane carpet backing systems using...

Details Hot processing of polyurethane carpet backing systems using... Hot processing of polyurethane carpet backing systems using...

2007-03-19

2011-11-22

Niland, Patrick (Department: 1762)

Coating processes

With post-treatment of coating or coating material

Heating or drying

C427S373000, C427S385500, C427S389000, C427S389700, C427S389900, C524S174000, C524S178000, C524S179000, C524S180000, C524S394000, C524S398000, C524S589000, C524S590000, C528S044000, C528S048000, C528S055000, C528S056000, C528S058000, C528S065000, C528S085000

Reexamination Certificate

active

08062709

ABSTRACT:
A process for preparing polyurethane carpet backings uses a filled polyurethane-forming composition that contains a mixture of certain metal acetylacetonate and sulfur-containing organotin catalysts. The mixture of catalysts is particularly beneficial in instances where the composition is processed at temperatures of above 30 to about 500 C, as long pot life is provided together with a rapid thermally-induced cure.

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