URETHANE PUTTY Russian patent published in 2012 - IPC C08L75/08 C09K3/10 C09D175/08 C08K13/02 

FIELD: chemistry.

SUBSTANCE: invention relates to chemistry, particularly quick-setting polyurethane compositions and can be used in construction to seal joints between enclosing structures of buildings and control joints of concrete floors, slits and cracks. The urethane putty contains a component A as the basic paste, which contains a hydroxyl-containing polyether with molecular weight 3600, silicon dioxide, diethylene glycol, a cationic catalyst, a plasticiser containing dibutylphthalate and chloroparaffin, filler, and a component B as the putty hardener, which is obtained by reacting the hydroxyl-containing polyether - laprol 3603-2-12 with toluylene diisocyanate and further contains a stabiliser, wherein before application, components A and B are mixed with each other in ratio 9:1 pts.wt, respectively.

EFFECT: broader processing capability of urethane putty in construction of buildings.

4 cl