摘要:
Provided are compositions containing a compatible mixture of a cationic surfactant and an anionic surfactant. A composition according to the invention comprises: (a) a first surfactant of formula I: wherein R, R1, R2, and R3 Y, X, and n are as defined below; (b) a second surfactant that is oppositely charged to the first surfactant.
摘要:
The present disclosure provides a composition comprising a linear silicone block copolymer of Formula (IV) wherein R is a hydrogen or a C 3 -C 8 alkyl group, A is a three carbon or four carbon oxylalkylene unit, "m" is an integer from 6 to 50, "n" is an integer from 0 to 30, and the average number for "q" is from 2 to 50, and method of making the same.
摘要:
Provided are alkoxylates of the formula (I): wherein EO, m, n, R, R 1 and R 2 are as defined below. Also provided are processes for making alkoxylates of formula (I). The processes provide alkoxylates that exhibit narrow molecular weight distribution and low amounts of residual unreacted alcohol. The alkoxylates have utility in a variety of applications, such as use as surfactants.
摘要:
Provided are compositions containing a compatible mixture of a cationic surfactant and an anionic surfactant. A composition according to the invention comprises: (a) a first surfactant of formula I: wherein R, R1, R2, and R3 Y, X, and n are as defined below; (b) a second surfactant that is oppositely charged to the first surfactant.
摘要:
Cutting fluids for brittle materials, e.g., silicon ingot, comprise, in weight percent: A. 70-99% polyalkylene glycol (PAG), e.g., polyethylene glycol; B. 0.01-10% PAG-grafted polycarboxylate; and C. 0-30% water. These cutting fluids are used with abrasive materials, e.g., silicon carbide (SiC), to form cutting slurries. The slurry is sprayed on the cutting tool, e.g., a wire saw, to cut a brittle work piece, e.g., a silicon ingot.
摘要翻译:用于脆性材料(例如硅锭)的切削液以重量百分比计包含:A. 70-99%聚亚烷基二醇(PAG),例如聚乙二醇; B 0.01-10%PAG接枝的聚羧酸酯; 和C. 0-30%的水。 这些切削液与研磨材料(例如碳化硅(SiC))一起使用以形成切削浆料。 将浆液喷射到切割工具例如线锯上以切割脆性工件,例如硅锭。