Air Products and Chemicals, Inc.

Evonik Operations Gmbh

Evonik Degussa Gmbh

Robert Marjo Theodoor Rasing

Michael Ian Cook

Gamini Ananda Vedage

Frederick Herbert Walker

Williams Rene Edouard Raymond

Vipul P Dholakia

Peter A Lucas

Shafiq Fazel

Shiying Zheng

Sudhir Ananthachar

Edze Jan Tijsma

Williams René Edouard Raymond

Maw Lin Foo

Wei Cao

Ellen Margaret O'Connell

Shafiq Nisarali Fazel

O`Conell Ellen Margaret Margaret

Peter Andrew Lucas

Amine-epoxy curing agents are disclosed including at least one saturated heterocyclic compound having two nitrogen heteroatoms according to formula (I) and at least one saturated fused bicyclic heterocyclic compound having three nitrogen heteroatoms according to formula (II): wherein X is independently selected from a hydrogen atom, a linear or branched Cto Calkyl group and a substituted or un-substituted phenyl group, Yis a direct bond or a divalent polyethylene polyamine group having 1 to 8 nitrogen atoms or a divalent polyethylene polyamine derivative having 1 to 8 nitrogen atoms, Yis a direct bond or a divalent polyethylene polyamine group having 1 to 7 nitrogen atoms and R is independently a hydrogen atom or a group selected from C-Clinear, cyclic, and branched alkyl, alkenyl, and alkaryl groups.

Nitrogen-containing heterocyclic epoxy curing agents, compositions and methods

The present invention provides Mannich base derivatives of N,N'-dimethyl secondary diamine polymers including Mannich base derivatives of methylamine-terminated poly-(N-methylazetidine) and Mannich base derivatives of methylamine-terminated poly-(N-methylazacycloheptane). Amine curing agent compositions and amine-epoxy compositions containing Mannich base derivatives of N,N&#x2032;-dimethyl secondary diamine polymers are also disclosed.

Curing agent for low temperature cure applications

The present invention provides N,N'-dimethyl secondary diamine polymers including methylamine-terminated poly-(N-methylazetidine) and methylamine-terminated poly-(N-methylazacycloheptane). Amine compositions and amine-epoxy compositions comprising N,N&#x2032;-dimethyl secondary diamine polymers are also disclosed.

N,N'-dimethyl secondary diamine polymer as epoxy resin curing agent

The present invention discloses both amine compositions and amine-epoxy compositions containing N,N'-dimethyl-meta-xylylenediamine. A novel process for producing amines such as N,N&#x2032;-dimethyl-meta-xylylenediamine, and structurally similar amines, is also disclosed.

Curing agent of N,N'-dimethyl-meta-xylylenediamine and multifunctional amin(s)

The present invention provides epoxy curing agent compositions comprising benzylated aminopropylated alkylenediamine compounds. Amine-epoxy compositions and articles produced from these amine-epoxy compositions are also disclosed.

Benzylated aminopropylated alkylenediamines and uses thereof

The present invention provides curing agent compositions comprising benzylated polyalkylene polyamine compounds. Amine-epoxy compositions and articles produced from these amine-epoxy compositions are also disclosed.

Benzylated polyalkylene polyamines and uses thereof

Epoxy resin amine curing agent of N,N'-dimethyl secondary diamine polymer

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Didam, Netherlands

Robert Marjo Theodoor Rasing