PRIMING COMPOSITION COMPRISING AROMATIC POLYURETHANE POLYOL, METHOD FOR APPLYING COVER, METHOD FOR CAR FINISHING Russian patent published in 2006 - IPC C09D175/04 C08G18/32 C08G18/72 C08G18/79 

Abstract RU 2278138 C2

FIELD: chemistry of polymers.

SUBSTANCE: invention relates to aromatic polyurethane polyols used as components of priming compositions. Invention describes the priming composition comprising aromatic polyurethane polyol including product of reaction: (a) at least one diol component among number of α,β-diols, α,γ-diols and their mixtures; (b) at least one triisocyanate; (c) at least one diisocyanate wherein at least one isocyanate is aromatic one, and molecular mass or aromatic polyurethane polyol is 3000 Da, not above, and a cross-linking agent also. Prepared aromatic polyurethane polyol shows viscosity value by Brookfield at the level 8260 centipoises, OH-number 192.6 KOH/g and the dispersity (Mn/Mw) at the level 3.0. Priming compositions prepared by using indicated aromatic polyurethane polyol are useful in finishing large means of transportation, for example, trains, trucks, buses and airplanes, in particular, in vehicle body works. Also, invention relates methods for applying priming compositions on support comprising applying indicated compositions, and to a method for finishing car in repairs comprising applying the indicated priming composition.

EFFECT: improved and valuable properties of composition.

11 cl, 5 tbl, 12 ex

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RU 2 278 138 C2

Authors

Jakind Aleksander Leo

Abu-Shanab Omar Lutfi

Znidersik Kennet Mark

Prajs Latoska Nikita

Mos Jan Vil'Khel'M Eh.

Dates

2006-06-20Published

2001-05-16Filed