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Stabilised alkoxy crosslinked RTY1 systems used as sealants, e.g. on cement concrete, etc.
Stabilised alkoxy crosslinked RTY1 systems used as sealants, e.g. on cement concrete, etc.
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机译:用作密封剂的稳定烷氧基交联RTY1系统,例如在水泥混凝土等上
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摘要
In stable, alkoxy-cross-linked RTV1 systems obtd. by mixing di- and/or trialkoxysilyl-terminated polyorganosiloxane, cross-linker, plasticiser, catalyst, filler, opt. other additives and stabilisers, the stabiliser comprises silyl-ketene-acetal(s) of formula: (R1)C(R1)=(OR2)C(OR3) (I), where R1=(un)satd., (un)substd. (ar)alkyl, aryl and at most one R1 gp.=H; R2=(un)substd. sil(ox)ane gps.; R3=(un)satd., (un)substd. alkyl.
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机译:在稳定的烷氧基交联的RTV1系统中可用。通过混合二和/或三烷氧基甲硅烷基封端的聚有机硅氧烷,交联剂,增塑剂,催化剂,填料,其他添加剂和稳定剂,稳定剂包括下式的甲硅烷基-乙烯酮-缩醛:(R 1)C(R 1)=(OR 2)C(OR 3)(I),其中R 1 =(un)饱和,(un)取代。 (芳)烷基,芳基和至多一个R 1 gp。= H; R 2 =(un)取代。硅(氧)烷gps .; R 3 =(un)饱和,(un)取代。烷基。
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