Atofina Chemicals, Inc.

Arkema Inc.

Arkema France

Elf Atochem North America, Inc.

Douglas R Dillon

Jinhuang Wu

Richard M Crooker

Jack J Reilly

The present invention is directed to an article of manufacture having differently colored layers which, when viewed from the edge, change color depending on the angle of view. The articles can be used in decorative or eye-catching displays suitable for displaying information or promoting objects.

Article displaying edgewise, angular multi-chromatic characteristics

Foam blowing agent blends of trans-1,2-dichloroethylene and one or more pentanes are provided, as are polyol premixes and foam compositions containing such blends. The resulting foams exhibit dramatic improvement in fire resistance.

Blowing agent blends

Foam blowing agent blends of D11 and a pentane are provided, as are polyol premixes containing such blends. The resulting foams exhibit dramatic improvement in fire resistance.

Foam blowing agents blends of HFC-134a and a pentane selected from n-pentane, i-pentane and i-pentane/cyclopentane are provided, as are polyol premixes and polyurethane foam compositions containing such blends.

Foam blowing agents blends of 5-50 mole % HCFC-22 and 95-50 mole % of n-pentane, i-pentane and/or cyclopentane are provided, as are polyol premixes and polyurethane foam compositions containing such blends.

Foam blowing agents blends of 10-90% of n- and/or i-pentane with 90-10% of 142b or 124 are provided, as are polyol premixes and polyurethane foam compositions containing such blends.

Growing community of inventors

Norristown, PA, United States of America

Douglas R Dillon