METHOD FOR PRODUCTION OF OLIGOESTER POLYISOCYANATE Russian patent published in 2005 - IPC

Abstract RU 2248379 C2

FIELD: method and composition for production of oligoester polyisocyanate useful as component of polyurethane compositions.

SUBSTANCE: invention relates to method for production of oligoester polyisocyanate treated with toluylenediisocyanate. Method includes controlling of NCO-group content up to predetermined value followed by addition of low molecular polyethylene. Oligoester polyisocyanate of present invention is useful as component of polyurethane compositions for production of cold cured articles.

EFFECT: reaction mass with increased viability for long storage time.

6 ex, 1 dwg

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RU 2 248 379 C2

Authors

Al'Ter Ju.M.

Mal'Tsev V.V.

Kustova E.P.

Pasternak V.Sh.

Dates

2005-03-20—Published

2003-04-29—Filed