Process for the preparation of oxymethylene polymers

Details Process for the preparation of oxymethylene polymers Process for the preparation of oxymethylene polymers

1976-08-31

1978-04-04

Phynes, Lucille M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C08G 224, C08G 210

Patent

active

040827291

ABSTRACT:
Oxymethylene polymers are prepared by polymerization of trioxane, optionally in the presence of comonomers, with the acid of a cationically active initiator. Suitable initiators are salt-like compounds, especially onium salts of Lewis acids. The initiator is used in the form of a solution in a cyclic carbonic acid ester present in a liquid phase. The oxymethylene polymers are thermoplastic and may be used as engineering materials.

REFERENCES:
patent: 3197420 (1965-07-01), Weissermel et al.
patent: 3210297 (1965-10-01), Fischer et al.

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