METHOD OF CAST URETHAN ELASTOMER PRODUCING Russian patent published in 1996 - IPC

Abstract RU 2067101 C1

FIELD: polymeric materials. SUBSTANCE: prepolymer with terminal isocyanate groups based on 2,4-toluylenediisocyanate and hydroxyl-containing compound interacts with 0.68-0.7 mole 3,3'-dichloro-4,4'-diaminodiphenylmethane per 1 mole prepolymer in solution of polyethylene glycol adipinate at molecular mass 800-1700 at amount 0.2-0.25 mole per 1 mole prepolymer. Obtained elastomer is used for making articles working under conditions of significant deformation. EFFECT: high elasticity and cyclic stability of product. 6 ex, 2 tbl

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RU 2 067 101 C1

Authors

Mikhalkin V.I.

Stupinskaja A.M.

Pashina A.A.

Alikin V.N.

Kuz'Mitskij G.Eh.

Dates

1996-09-27—Published

1993-03-03—Filed