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    • 3. 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。
    • 7. 发明授权
    • Low dusting powdery alginate impression material for dental use
    • 用于牙科用途的低粉尘藻酸盐印模材料
    • US4543372A
    • 1985-09-24
    • US664963
    • 1984-10-26
    • Kazuhiro WatanabeSakae YoshikawaShunichi Futami
    • Kazuhiro WatanabeSakae YoshikawaShunichi Futami
    • A61K6/10A61K6/08
    • A61K6/10
    • A low dusting powdery alginate impression material for dental use is disclosed which comprises:(a) an alginate,(b) a gelling agent,(c) a gelation controlling agent,(d) a filler,(e) at least one hydrophobic liquid having a vapor pressure of not higher than 3.15 mmHg at 20.degree. C. selected from the group consisting of a hydrocarbon and a silicone oil not containing a hydrophilic group,(f) polyvinylpyrrolidone, and(g) at least one compound selected from the group consisting of oxides, hydroxides and fluorides of metals.With the alginate impression material, gypsum models prepared using the negative mold of an impression have high surface precision and impressions of oral cavity having high precision can be obtained as well as substantially no dust formation is observed when taken out of a storage container and during mixing with water.
    • 公开了一种用于牙科用途的低粉尘藻酸盐印模材料,其包括:(a)藻酸盐,(b)胶凝剂,(c)凝胶化控制剂,(d)填料,(e)至少一种疏水性液体 在20℃下蒸气压不高于3.15mmHg,选自烃和不含亲水基团的硅油,(f)聚乙烯吡咯烷酮,和(g)至少一种选自下组的化合物 由金属的氧化物,氢氧化物和氟化物组成。 使用藻酸盐印模材料,使用印模的阴模制备的石膏模型具有高表面精度,并且可以获得具有高精度的口腔的印模,并且在从储存容器中取出并且在混合期间基本上不观察到灰尘形成 与水。