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    • 2. 发明授权
    • Silicone composition for dental impressions
    • 硅胶组合物用于牙科印模
    • US5637628A
    • 1997-06-10
    • US505385
    • 1995-07-21
    • Hiroshi KamoharaShunichi Futami
    • Hiroshi KamoharaShunichi Futami
    • A61K6/10C08L29/10C08L83/04C08L83/05C08L83/07
    • A61K6/10C08L83/04C08G77/12C08G77/20
    • A dental impression-taking silicone composition is provided, which comprises A) 100 parts by weight of an organopolysiloxane having at least two aliphatic unsaturated groups per molecule, B) 0.1 to 30 parts by weight of an organohydrogenpoly-siloxane having per molecule at least three hydrogen atoms directly bonded to a silicone atom, C) 10 to 500 ppm of a silicone-soluble platinum compound, as calculated on the basis of the total amount of A) and B), D) 5 to 500 parts by weight of an inorganic filler, and E) 1 to 200 parts by weight of a polyvinyl ether having a polymerization degree of 1,000 to 50,000. This composition provides a paste mixture having an increased strain in compression after curing and a reduced permanent deformation after curing and unlikely to run down during impression-taking. Upon cured, oil matter does not bleed out of the surface of the cured mixture.
    • 提供了一种具有牙齿印味的硅酮组合物,其包含A)100重量份每分子具有至少两个脂族不饱和基团的有机聚硅氧烷,B)0.1至30重量份每分子至少三个的有机氢聚硅氧烷 直接键合到硅氧烷原子的氢原子,C)10至500ppm的基于A)和B)的总量计算的硅氧烷溶解的铂化合物,D)5至500重量份的无机 填料,E)1〜200重量份聚合度为1000〜50,000的聚乙烯醚。 该组合物提供了在固化后具有增加的压缩应变和固化后的减少的永久变形并且在压印期间不可能下降的糊状混合物。 固化后,油物质不会从固化混合物的表面渗出。