The Dow Chemical Company

John W Muskopf

James L Bertram

Louis L Walker

Samuel A Ogoe

Oliver C Ainsworth

James R Bethea

Edwin J Wilson

Craig L Werling

David W Liou

John W Cocup

Joseph L Allison

Stephen R Ellebracht

David R Flores

A blend of polycarbonate and chlorinated polyethylene which has a desirable balance of impact and ignition resistance properties.

Blends of polycarbonate and chlorinated polyethylene

Curable composition which comprises adducts of heterocyclic compounds

The products resulting from contacting an organic phosphine or arsine with an inorganic acid having a weak nucleophilic anion provide for relatively stable compositions when admixed with a compound containing an average of more than one vicinal epoxide group per molecule and which optionally contains a compound containing an average of more than one phenolic hydroxyl group per molecule.

Latent, curable, catalyzed mixtures of epoxy-containing and

Latent catalyst compounds for catalyzing the reaction between epoxide groups and aromatic hydroxyl groups are prepared by contacting a nitrogen-containing heterocyclic compound with an acid having a weak nucleophilic anion.

Latent catalysts for epoxy-phenolic reactions

Storage stable compositions are disclosed which comprise an epoxide containing compound, a phenolic hydroxyl containing compound, and a catalyst compound for catalyzing the reaction between epoxide groups and aromatic hydroxyl groups which catalyst comprises the product resulting from contacting an onium salt, amine, or amine salt with an acid or a salt of an acid having a weak nucleophilic anion.

Latent, curable, catalyzed mixtures of epoxy-containing and phenolic

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Lake Jackson, TX, United States of America

John W Muskopf