Alkylhydrido siloxanes

Details Alkylhydrido siloxanes Alkylhydrido siloxanes

1994-11-14

1995-08-29

Shaver, Paul F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Silicon containing

C07F 708

Patent

active

054461855

ABSTRACT:
Alkylhydrido siloxane fluids including (i) comonomers of the formula RSi(OSiMe.sub.2 H).sub.3, (ii) oligomers of the formula (HMe.sub.2 SiO).sub.2 -Si(R)-O-Si(R)-(OSiMe.sub.2 H).sub.2, and (iii) higher molecular weight siloxane species of the formulas RSi[(OSiMe.sub.2).sub.x OSiMe.sub.2 H].sub.3 and [HMe.sub.2 SiO(Me.sub.2 SiO).sub.x ].sub.2 SiRORSi[(OSiMe.sub.2).sub.x OSiMe.sub.2 H].sub.2, are described in which Me is methyl, and R is a C.sub.2 to C.sub.18 straight-chain or branched-chain alkyl substituent. Methods of making the siloxane comonomers, oligomers, and higher molecular weight species, are also disclosed.

REFERENCES:
patent: 5097054 (1992-03-01), Yamamoto et al.
patent: 5175328 (1992-12-01), Okawa et al.
patent: 5232693 (1993-08-01), Legrow
patent: 5272243 (1993-12-01), Nakashima et al.
patent: 5274156 (1993-12-01), Legrow
"Silicon Compounds: Register and Review", 5th Edition, Huls America Inc., (1991) pp. 160, 171.

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