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2 280 048

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(51)

IPC

C08L75/02(2006-01-01)

C08L75/08(2006-01-01)

C08G18/72(2006-01-01)

(21) (22)

Application

2004135801/04, 2004-12-07

(24)

Start date

2004-12-07

(22)

Actual filing date

2004-12-07

(45)

Published

2006-07-20

(72)

Inventor

Zabelin Leonid Vasil'EvichSnigir' Nikolaj MakarovichKosarev Vadim ValentinovichKrasnov Igor' VladimirovichMitrofanov Igor' ViktorovichNefedov Aleksandr NikolaevichSolomonov Mikhail Jur'EvichKutsenko Gennadij Vasil'EvichZinov'Ev Vasilij MikhajlovichZrajchenko Ljubov' IvanovnaLuzina Marija Aleksandrovna

(73)

Holder

POLYURETHANE COMPOSITION Russian patent published in 2006 - IPC C08L75/02 C08L75/08 C08G18/72

Abstract RU 2280048 C1

FIELD: polymer materials.

SUBSTANCE: invention relates to compositions of molded polyurethane elastomers showing high physico-mechanical characteristics and providing high cyclic stability of products at alternate loadings within a wide operation temperature range. Invention may be used in rubber industry to manufacture cast tires and rolls for monorail vehicles. Composition according to invention contains polyoxytetramethylene glycol, mixture of 2,4-tolylenediisocyanate and 1,6-hexamethylenediisocyanate at molar ratio (0.8-0.9):0.1, and 3,3'-dichloro-4,4'-diaminodiphenylmethane in the form of solution in polyoxytetramethylene glycol at molar ratio (0.67-0.7):(0.29-0.30) as liquid hardener.

EFFECT: enabled use of polyurethane composition for molded elastomers.

2 cl, 2 tbl, 11 ex

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RU 2 280 048 C1

Authors

Zabelin Leonid Vasil'Evich

Snigir' Nikolaj Makarovich

Kosarev Vadim Valentinovich

Krasnov Igor' Vladimirovich

Mitrofanov Igor' Viktorovich

Nefedov Aleksandr Nikolaevich

Solomonov Mikhail Jur'Evich

Kutsenko Gennadij Vasil'Evich

Zinov'Ev Vasilij Mikhajlovich

Zrajchenko Ljubov' Ivanovna

Luzina Marija Aleksandrovna

Dates

2006-07-20—Published

2004-12-07—Filed