Basf Se Corporation

Karthikeyan Sharavanan

Lidcay Herrera Taboada

Jens Assmann

Rainer Anderlik

Jürgen Demeter

Kathrin Wissel

Lothar Weller

Michael Prinz

Coated polyoxymethylene moldings comprising at least one polyoxymethylene homo- or copolymer A), and also, if appropriate, further additives B), which has been coated on the surface with at least one binder C) and one formaldehyde scavenger D), wherein the binder C) used comprises a polyalkylene oxide Cor a polyvinyl ester Cor a graft polymer Ccomposed of Cand Cor a mixture of these, and the formaldehyde scavenger D) used comprises at least one hydrazide compound.

Coated polyoxymethylenes

The present invention relates to coated polyoxymethylene moldings, comprising at least one polyoxymethylene homo- or copolymer A), and also, if appropriate, further additives B), which has been coated on the surface with at least one binder C) and one formaldehyde scavenger D), wherein the binder C) used comprises a polyalkylene oxide Cor a polyvinyl ester Cor a graft polymer Ccomposed of Cand Cor a mixture of these, and the formaldehyde scavenger D) used comprises at least one lysine compound.

Coated polyoxymethylenes comprising a formaldehyde scavenger comprising a lysine compound

Process for preparing polyoxymethylenes by polymerization of the monomers a) in the presence of cationically active initiators b) and, if appropriate in the presence of regulators c) and subsequent deactivation d) and discharge from the reactor, wherein at least one ionic liquid is used as initiator b).

Ionic liquids in the preparation of POMs

The present invention relates to coated polyoxymethylene moldings comprising at least one polyoxymethylene homo- or copolymer A), and also, if appropriate, further additives B), which has been coated on the surface with at least one binder C) and one formaldehyde scavenger D), wherein the binder C) used comprises a polyalkylene oxide Cor a polyvinyl ester Cor a graft polymer Ccomposed of Cand Cor a mixture of these, and the formaldehyde scavenger D) used comprises at least one imidazolidin-2-one compound.

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Mannheim, Germany

Karthikeyan Sharavanan