Reduced reactivity polyols as foam controllers in producing...

Details Reduced reactivity polyols as foam controllers in producing... Reduced reactivity polyols as foam controllers in producing...

C - Chemistry, Metallurgy

08

G

400/2018

C08G 18/63 (2006.01) C08G 18/08 (2006.01) C08G 18/40 (2006.01) C08J 9/00 (2006.01)

Patent

CA 1294722

REDUCED REACTIVITY POLYOLS AS FOAM CONTROLLERS IN PRODUCING POLYURETHANE FOAMS Abstract Reduced reactivity polyols are provided as foam controllers in the production of polyurethane foams. When the foam controllers are incorporated into polyurethane foam formulations, foam rise time is increased without adverse effects on foam characteristics, such as load bearing capability, resiliency and porosity. The foam controllers are acid grafted polyethers, such as acrylic acid grafted poly(alkylene oxides), and can be employed in surprisingly low concentrations to control reactivity.

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