Polyether polysiloxane block copolymer composition, surfactant containing the same, foaming agent, polyurethane foam forming composition, cosmetic and method for producing the same
A novel polyether-polysiloxane block copolymer composition having excellent foam stabilization, premix liquid homogeneity and stability, and excellent compatibility with various components, a method for producing the same, and the same copolymer It aims at providing the foam stabilizer etc. containing a composition, and a polyurethane foam. [Solution] (A) The following general formula (1):-[-SiR2O- (SiR2O) a-SiR2-CH2-CH (CH3) -CH2-O (CxH2xO) y-CH2-CH (CH3) -CH2- a polyether-polysiloxane block copolymer having a structural unit represented by n- in the molecule, the terminal group of which is an alkenyl group bonded to the polyether moiety, and the like (B) An all-organic compound, wherein (B1) a terminal hydrogen is replaced by a hydrocarbon group, and the other terminal has a secondary alcoholic hydroxyl group, a low-polymerization glycol ether compound, or (B2) having 12 or more carbon atoms A polyether-polysiloxane block copolymer composition containing a higher alcohol compound having a branched alkyl group and containing no more than the mass of the component (A) of dimethylpolysiloxane.
