Ashland Oil, Inc.

Omar Tiba

Billy M Culbertson

Anil B Goel

Donald D Carlos

Marvin L Deviney, Jr

Gilbert M Gynn

Billy M Culberton

A process for preparing a polymeric composition comprising reacting a mixture of at least one phenolic compound and at least one oxazoline compound in the presence of a catalytic amount of at least one ammonium salt and a tetracarbyl phosphonium salt, and optionally also in the presence of an alkyl halide is described.

Preparation of resins from phenolic compounds and oxazolines using

An improved process for increasing the rate of the copolymerization of mixtures of polyphenolic compounds having more than two phenolic hydroxyl groups per molecule and bis-oxazolines comprising carrying out the copolymerization in the presence of a catalytic amount of a halohydrocarbon at a temperature in the range of from about 130.degree. C. to 150.degree. C. is described.

Copolymerization of bisoxazoline and polyphenolic compound with a

Compositions have melting points below 100.degree. C. which are useful in the formation of resins by reaction with polyphenolic compounds consisting of a mixture of more than two compounds having the formula ##STR1## wherein A represents a cyclic or acyclic aliphatic or substituted cyclic or acyclic aliphatic moiety having from 1 to 20 carbon atoms or an aromatic mono- or multi-nuclear or aliphatic substituted aryl residue having from 6 to 20 carbon atoms,

Liquid aromatic bisoxazoline and disoxazine monomer mixtures cured with

A polymerizable thermosetting composition which is a flowable liquid at moderate temperatures which comprises a mixture of:

Thermosetting bis oxazoline-polyphenol based resins for resin transfer

The formation of structural composites having low smoke release and low heat release properties by forming a sandwich comprising a non-woven fiber mat between woven glass fiber mats and impregnating said sandwich with a mixture of a bisoxazoline and a polyphenolic compound to form a prepreg which can be formed and molded at elevated temperatures is described.

Low smoke and heat release glass fiber/carbon fiber/bisoxazoline resin

Compositions having melting points below 100.degree. C. which are useful in the formation of resins by reaction with polyphenolic compounds consisting of a mixture of more than two compounds having the formula ##STR1## wherein A represents a cyclic or acyclic aliphatic or substituted cyclic or acyclic aliphatic moiety having from 1 to 20 carbon atoms or an aromatic mono- or multi-nuclear or aliphatic substituted aryl residue having from 6 to 20 carbon atoms,

Liquid aromatic bisoxazoline and bisoxazine monomer mixtures and process

A process for the copolymerization of bis-2-oxazolines and polyphenolic compounds at greatly improved rates comprising carrying out the copolymerization in the presence of from about 0.5 to about 5% by weight of a phosphine catalyst is described.

Preparation of resin from phenolic and oxazoline using phosphine catalyst

A process for preparing copolymers of a mixture of a bis-oxazoline and a polyphenolic compound at improved rate of copolymerization by the inclusion of a catalytic amount of a carbonium ion salt of the formula Ph.sub.3 CX wherein Ph represents a phenyl group and X represents BF.sub.4, PF.sub.6, SbF.sub.6, AsF.sub.6, BPh.sub.4 or ClO.sub.4, is described.

Rapid preparation of polyetheramide from bis-oxazoline, polyphenol and

The process for preparing a polymeric composition at improved rate comprising reacting an oxazoline compound and a phenolic compound in the presence of a catalytic amount of a phosphorous acid ester is described.

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Dublin, OH, United States of America

Omar Tiba