专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US5907002A Dental impression silicone composition 失效
标题翻译：牙印印刷硅胶组成
公开(公告)号：US5907002A
公开(公告)日：1999-05-25
申请号：US879190
申请日：1997-06-20
申请人： Hiroshi Kamohara , Nobuyuki Hattori , Makiko Komoto
发明人： Hiroshi Kamohara , Nobuyuki Hattori , Makiko Komoto
IPC分类号： A61K6/10 , C08K3/02
CPC分类号： A61K6/10
摘要： A dental impression silicone composition comprising: (A) 100 parts by weight of an organopolysiloxane having at least two aliphatic unsaturated hydrocarbons in one molecule; (B) from 0.1 to 30 parts by weight of an organohydrogen polysiloxane having at least three hydrogen atoms directly bonded to the silicon atom in one molecule; (C) from 10 to 500 ppm, based on the total amount of the components (A) and (B), of a silicone-soluble platinum compound; (D) from 10 to 500 parts by weight of an inorganic filler; (E) from 5 to 50 parts by weight of a fine silica powder having a BET specific surface area of from 50 to 500 m.sup.2 /g, whose surface is made hydrophobic; (F) from 0.5 to 50 parts by weight of a nonionic surfactant; and (G) from 10 to 200 parts by weight of a methylphenyl polysiloxane, being disclosed, the invention providing a dental impression silicone composition used for the preparation of oral models that are required in the preparation of dental prostheses in the dentistry, such as crowns, inlays, and dentures, soft in the hardness after setting, large in the strain in compression, good in the wettability against the water content such as saliva, and being so large in the tear strength that the set material hardly comes off.
摘要翻译：一种牙印模型有机硅组合物，其包含：（A）100重量份在一个分子中具有至少两个脂族不饱和烃的有机聚硅氧烷; （B）0.1〜30重量份在1分子中具有至少3个氢原子直接键合到硅原子上的有机氢聚硅氧烷; （C）10至500ppm，基于组分（A）和（B）的总量，可溶于硅的铂化合物; （D）10〜500重量份的无机填料; （E）5〜50重量份BET比表面积为50〜500m 2 / g的二氧化硅细粉，其表面为疏水性; （F）0.5〜50重量份的非离子表面活性剂; 和（G）10至200重量份的甲基苯基聚硅氧烷，本发明提供了用于制备在牙科中制备牙科假体所需的口腔模型的牙科用硅酮组合物，例如牙冠嵌体和假牙，凝固后的硬度柔软，压缩应变大，对唾液等含水量的润湿性好，并且撕裂强度大，使得材料几乎不脱落。

2. 发明授权

US6093755A Silicone composition useful for dental temporary sealing 失效
标题翻译：用于牙科临时密封的硅酮组合物
公开(公告)号：US6093755A
公开(公告)日：2000-07-25
申请号：US982433
申请日：1997-12-02
申请人： Hiroshi Kamohara , Makiko Komoto , Ko Hinoura
发明人： Hiroshi Kamohara , Makiko Komoto , Ko Hinoura
IPC分类号： A61K6/093 , C08L83/04 , C08K3/02
CPC分类号： C08L83/04 , A61K6/0017 , C08G77/12 , C08G77/20
摘要： A silicone composition useful for dental temporary sealing is disclosed, which comprises:(A) 100 parts by weight of an organopolysiloxane having at least two aliphatic unsaturated hydrocarbons in one molecule and having a viscosity of from 50 to 1,000 cSt at 25.degree. C.;(B) from 0.1 to 40 parts by weight of an organohydrogenpolysiloxane having at least three hydrogen atoms directly bonded to a silicon atom in one molecule;(C) from 10 to 500 ppm, based on the total amount of (A) and (B), of a silicone-soluble platinum compound;(D) from 10 to 400 parts by weight of an inorganic filler; and(E) a finely powdered silica having a BET specific surface area of from 50 to 500 m.sup.2 /g, the surface of which is made hydrophobic.
摘要翻译：公开了一种用于牙科临时密封的有机硅组合物，其包括：（A）在一个分子中具有至少两个脂肪族不饱和烃的有机聚硅氧烷100重量份，在25℃下的粘度为50-1000cSt。（B）0.1〜40重量份的具有至少3个氢原子的有机氢聚硅氧烷，其直接与一个分子中的硅原子键合; （C）10〜500ppm，基于（A）和（B）的总量，可溶于硅的铂化合物; （D）10〜400重量份的无机填料; 和（E）BET表面积为50-500m2 / g的精细粉末二氧化硅，其表面是疏水性的。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式