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HEAT STABILITY OF PIGMENTABLE SILICONE ELASTOMERS
HEAT STABILITY OF PIGMENTABLE SILICONE ELASTOMERS
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机译:可着色硅胶弹性体的热稳定性
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摘要
Method of improving the heat stability of silicone elastomers. An improved pigmentable silicone elastomeric composition is produced by mixing a silicone elastomer composition having a vinyl radical content of from 0.01 to 0.1 percent by weight with a pretreated, white clay having a surface area of less than 50 m2/g, said surface containing olefinic unsaturated siloxy groups, and an organic peroxide vulcanizing agent. The improved silicone elastomeric composition is formed, then heated to vulcanize, to yield a silicone elastomer having improved resistance to the effects of elevated temperatures. The improved silicone elastomeric composition is also claimed. The improved silicone elastomeric composition can be pigmented.
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