Silicone weather-proof sealing gum for fiber reinforcement cement plate and preparation method of silicone weather-proof sealing gum

The invention discloses a silicone weather-proof sealing gum for a fiber reinforcement cement plate. The silicone weather-proof sealing gum comprises the following components by weight: 100 parts of alpha, omega-dihydroxy polydimethylsiloxane, 40-80 parts of calcium carbonate, 0.5-4 parts of chain e...

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Hauptverfasser: ZHU YINGHE, TANG BINGLIN
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention discloses a silicone weather-proof sealing gum for a fiber reinforcement cement plate. The silicone weather-proof sealing gum comprises the following components by weight: 100 parts of alpha, omega-dihydroxy polydimethylsiloxane, 40-80 parts of calcium carbonate, 0.5-4 parts of chain extending agent, 6-12 parts of cross-linking agent, 5-10 parts of white carbon black, 1-2 parts of coupling agent and 0.05-0.5 parts of organic tin catalyst. The invention further discloses a preparation method of the silicone weather-proof sealing gum. The silicone weather-proof sealing gum provided by the invention is used for bonding the material of the fiber reinforcement cement plate, effectively improves the capability of displacement, does not pollute the material and can well adapt to and meet the use requirements of the material of the fiber reinforcement cement plate.