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2 235 743

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IPC

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Application

2003109769/04, 2003-04-07

(24)

Start date

2003-04-07

(22)

Actual filing date

2003-04-07

(45)

Published

2004-09-10

(72)

Inventor

Alikin V.N.Tereshatov S.V.Starkova A.A.Kuz'Mitskij G.Eh.Onorina L.Eh.Gorshkova L.V.Chernyshova S.V.

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Zavod Im. S.M. Kirova"

POLYURETHANE COMPOSITION Russian patent published in 2004 - IPC

Abstract RU 2235743 C1

FIELD: polymer materials.

SUBSTANCE: invention provides polyurethane composition suitable for manufacturing parts used for restoration of footwear bottom, which composition contains 84.68-84.87% urethane prepolymer based on mixture of oligooxypropylene glycol and polyoxytetramethylene glycol and 2,4-2,6-tolylenediisocyanate; 0.01-0.9% dioctyl phthalate, 0.04-0.043% citric acid, and (the rest) 3,3'-dichloro-4,4'-diaminodiphenylmethane as hardener. According to invention, composition further contains 0.015% organic dye, namely nigrosine.

EFFECT: enabled preparation of polymer characterized by Shore hardness 96-97 conventional units and tear resistance 127-135 kg/cm.

3 tbl, 6 ex

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RU 2 235 743 C1

Authors

Alikin V.N.

Tereshatov S.V.

Starkova A.A.

Kuz'Mitskij G.Eh.

Onorina L.Eh.

Gorshkova L.V.

Chernyshova S.V.

Dates

2004-09-10—Published

2003-04-07—Filed