99728-53-7 Phosphoric acid, butyl propylene glycol ester, 2,4-diisocyanato-1-methyl-benzene polymer Poly(oxy(methyl-1,2-ethanediyl)), alpha,alpha'-(oxybis(butoxyphosphinylidene))bis(omega-hydroxy-, polymer with 2,4-diisocyanato-1-methylbenzene