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US5843525A Surface-modified metal oxide fine particles and process for producing the same 失效
表面改性金属氧化物微粒及其制造方法

Surface-modified metal oxide fine particles and process for producing
the same
摘要:
By treating metal oxide fine particles having a specific surface area of 5 to 500 m.sup.2 /g with a silane coupling agent and then further treating the fine particles with a reactive group-terminated organopolysiloxane, the organopolysiloxane is stably bonded to the surface of the powder particles, to thereby improve stability of the modifying effect against the elapse of time and durability.
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