Method for preparation of organohydrogen polysiloxanes
作者： Robert J. Perry
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摘要: A method comprising the solventless reaction of a 1,1,3,3-tetraalkyldisiloxane (HR2Si-O-Si R2H) with hexaalkycyclotrisiloxane (R'2SiO)3 in presence linear phosphonitrilic chloride to produce (HR2SiO)(SiR'2O)3(SiR2H) wherein R and R' are independently monovalent alkyl or haloalkyl groups, preferably hydrocarbons having from one three carbons. Appropriate selection conditions results no minimal equilibration desired product homologous materials.
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