| 摘要 |
A silicone resin comprising 100 parts by weight alkylsiloxane units selected from the group consisting of RSiO1.5 units and R1R2SiO units and mixtures thereof, wherein R, R1 and R2 are independently selected alkyl radicals having from 1 to about 8 carbon atoms, and from about 75 to about 2100 parts by weight beta -phenylethylsiloxane units of the formula <IMAGE> so as to provide a silicone resin which exhibits increased reactivity with organic compositions and which provides ultraviolet light and weathering resistance.
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