Pennwalt Corporation

Velsicol Chemical Corporation

Chester J Kmiec

Mohamed Esseghir

Michael F Novits

Gangwei Sun

Robert F Eaton

James A Albright

Xian Min Xu

Selim Yalvac

Yushan Hu

Gary R Marchand

Karl M Seven

William J Harris

Michael L Smith

Edward P Hibbard

Yichi Zhang

Bret P Neese

Anny Flory

Bharat I Chaudhary

Yabin Sun

Jr Vigil Alfred E

Lin Fu

Lei Ying

Yi Jin

A gas-releasing composition of a t-alkylhydrazinium salt and/or a carbonylhydrazine and at least one compound selected from free radical forming sources, metal oxides, and sulfur and/or sulfur donor compounds wherein when sulfur and/or a sulfur donor compound is used, the composition will also contain one or more members selected from sulfur accelerators, metal oxides, and amino-alcohols. This novel gas-releasing composition permits the selectively tailoring of the gas evolution of a system in order to meet a wide range of specific application areas polymer characteristics and conditions over a wide temperature range.

Gas-releasing composition for tailoring gas evolution of system

A crosslinkable composition of a polymeric thermoplastic and/or elastomeric material which is susceptible to scorching when processed at elevated temperatures, prior to crosslinking, in the presence of a free radical initiator, is protected against such scorching by the incorporation therein of a mixture of at least two metal salts of disubstituted dithiocarbamic acid, wherein one metal salt is based on copper.

Scorch resistant, crosslinkable composition containing mixture of copper

Crosslinked elastomeric and/or thermoplastic closed-cell foams having low densities are prepared from an admixture which comprises a crosslinkable thermoplastic and/or elastomeric polymer, a free radical initiator which is activated at temperatures from about 50.degree. C. to about 350.degree. C., and a t-alkylhydrazinium salt or a carbonylhydrazine.

Foaming and crosslinking of elastomeric and/or thermoplastic polymers

Gas-releasing composition for tailoring gas evolution of system IR 2811

Closed-cell crosslinked sponges of varying densities are prepared from an admixture of a vulcanizable elastomer, vulcanizing ingredients selected from sulfur or sulfur donor compounds together with metal oxides and/or sulfur vulcanization accelerators and a t-alkylhydrazinium salt and/or carbonylhydrazine. The crosslinked sponges have uniform cellular structures and are easily prepared with the desired density.

Foaming and vulcanizing of elastomeric polymers

A flame retarded polyolefin polymer containing from about 1 to about 40 percent (by combined weight of polymer and flame retardant) of the compound of the formula ##STR1## wherein m and n are integers independently selected from the group consisting of 2, 3, 4, and m plus n equal 6.

Flame-retarded polyolefin polymeric compositions containing

There is provided a compound of the formula ##STR1## wherein m and n are integers independently selected from the group consisting of 1, 2, 3, 4, and m and m plus n equal 6. There is also provided a flame-retarded polyolefin polymer containing an effective amount of said compound.

3,9-Bromophenoxy-2,4,8,10-tetraoxa-3,9-diphos

Growing community of inventors

Amherst, NY, United States of America

Chester J Kmiec