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    • 45. 发明授权
    • Active energy ray-curable composition and lens sheet
    • 活性能量射线固化性组合物和透镜片
    • US06206550B1
    • 2001-03-27
    • US09253695
    • 1999-02-22
    • Hiroshi FukushimaMasao HamadaNoriji OishiYukichi Konami
    • Hiroshi FukushimaMasao HamadaNoriji OishiYukichi Konami
    • G02F11335
    • G02B1/04C09D4/00Y10T428/1036Y10T428/105C08L33/14C08L41/00C08F222/1006C08F222/24C08F228/00
    • An active energy ray-curable composition comprising (A) 20 to 80 parts by weight of a compound represented by the following general formula I: wherein R1 represents hydrogen or methyl, X and Y may be the same or different and represent methyl, chlorine, bromine or iodine, and t and u each independently represent an integer of 0-2, (B) 20 to 80 parts by weight of at least one compound having at least one acryloyl or methacryloyl group in the molecule, or (B-1) 10 to 90 parts by weight of at least one compound having at least two acryloyl or methacryloyl groups in the molecule and (B-2) 1 to 90 parts by weight of at least one monoacrylate or monomethacrylate compound having one acryloyl or methacryloyl group in the molecule, and (C) 0.01 to 5 parts by weight of an active energy ray-sensitive radical polymerization initiator with respect to 100 parts by weight of the total of components (A) and (B) or components (A), (B-1) and (B-2), as well as a lens sheet comprising a lens section formed on at least one side of a transparent substrate using the composition useful as a backlight.
    • 一种活性能量射线固化性组合物,其包含(A)20〜80重量份的由下列通式I表示的化合物:其中R1表示氢或甲基,X和Y可以相同或不同,表示甲基,氯, 溴或碘,t和u各自独立地表示0-2的整数,(B)20至80重量份的至少一种在分子中具有至少一个丙烯酰基或甲基丙烯酰基的化合物或(B-1) 10至90重量份的至少一种在分子中具有至少两个丙烯酰基或甲基丙烯酰基的化合物和(B-2)1至90重量份至少一种在丙烯酰基或甲基丙烯酰基中具有一个丙烯酰基或甲基丙烯酰基的单甲基丙烯酸酯或单甲基丙烯酸酯化合物 (C)0.01〜5重量份的活性能量射线敏感性自由基聚合引发剂相对于100重量份的组分(A)和(B)或组分(A),(B- 1)和(B-2),以及包括形成在其上的透镜部分的透镜片 使用可用作背光的组合物的透明基板的至少一侧。
    • 47. 发明授权
    • Water-repellent and oil-repellent compositions based on fluorine compound
    • 基于氟化合物的水和油 - 组合物
    • US4032495A
    • 1977-06-28
    • US645979
    • 1976-01-02
    • Jean PerroninAndre Louis Dessaint
    • Jean PerroninAndre Louis Dessaint
    • C08F28/00C08L33/16C08L41/00D06M15/277D06M15/333C08L27/12C08F214/18
    • D06M15/277C08F28/00C08L33/16C08L41/00D06M15/3335C08L2205/02Y10T428/3154
    • Mixture comprising, on the one hand, an aqueous dispersion of a copolymer (A) containing in interpolymerized form:1. 30% to 99% by weight of one or more monomers of the formula: ##STR1## in which Rf represents a perfluoro chain, straight or branched, containing 1 to 20, preferably 2 to 10 carbon atoms, a is a whole number between 2 and 20 inclusive, preferably equal to 2 or 4, R represents a hydrogen atom or an alkyl group containing 1 to 10 carbon atoms, a cycloalkyl group containing 5 to 12 carbon atoms, an hydroxyalkyl group containing 2 to 4 carbon atoms or an aryl group possibly substituted by an alkyl radical containing 1 to 6 carbon atoms, R', R", X and X' may be the same or different and represent hydrogen atoms or alkyl groups containing 1 to 4 carbon atoms, b is a whole number between 1 and 4 inclusive, preferably equal to 1 or 2, and Y represents the residue of an alkene-mono- or -di-carboxylic acid or a monoalkyl ester of such a dicarboxylic acid;2. Up to 70% by weight of one or more compounds containing at least one polymerizable ethylene linkage and no perfluoro groups; and3. up to 10% by weight of one or more monomers containing an ethylene linkage and at least one reactive group, and an aqueous dispersion of a copolymer (B) containing in an interpolymerized form:1. 1% to 70% by weight of one or more monomers of formula (I).2. 30% to 99% by weight of one or more compounds containing at least one polymerizable ethylene linkage and no perfluoro groups, and3. 0% to 10% by weight of one or more monomers containing an ethylene linkage and at least one reactive group; compositions for oil-repellent and water-repellent treatment containing such a mixture; process for the preparation of such a mixture which comprises:A. copolymerizing 30% to 99% by weight of one or more monomers of formula (1) as defined above, up to 70% by weight of one or more compounds containing at least one polymerizable ethylenic linkage, free from perfluoro groups, and up to 10% by weight of one or more monomers containing an ethylenic linkage and at least one reactive group, in aqueous phase, at a pH from 2 to 9 and in the presence of 0.01% to 5% of a copolymerization catalyst withB. copolymerizing 1% to 70% by weight of one or more monomers of formula (1) as defined above, 30% to 99% by weight of one or more compounds containing at least one polymerizable ethylenic linkage, free from perfluoro groups, and 0% to 10% by weight of one or more monomers containing an ethylenic linkage and at least one reactive group, in aqueous phase, at a pH from 2 to 9 and in the presence of 0.01% to 5% of a copolymerization catalyst; andC. mixing the aqueous dispersions obtained under (A) and (B); process for rendering a substrate water repellent and oil-repellent which comprises treating it with such a mixture and substrate treated with such a mixture.
    • 48. 发明授权
    • Lubricant and method of fitting and trail mounting of prosthodontic appliances
    • 润滑剂及其配件及其配套方法
    • US3861041A
    • 1975-01-21
    • US32657573
    • 1973-01-26
    • BELL ARTHUR MILTON
    • BELL ARTHUR MILTON
    • A61C13/00A61K6/02
    • A61C13/00A61K6/0067A61K6/0094A61K6/0023C08L57/06C08L41/00
    • This invention provides a lubricating compound for the fitting of crowns, bridges and other prosthodontic restorations as used in prosthodontic dentistry. This compound in a preferred embodiment has a base which comprises ninety or more percent of the compound. A coloring agent which may be zinc oxide is five percent or less of the compound while small percentages of a bacteriostatic agent and an anti-inflammatory agent make up the rest of the compound. The compound is preferably readily washed from the prepared teeth and restoration after a try-in of the unfinished crown, bridge or other prosthodontic restoration has been done. This lubricant provides a new testing technique and method to be employed for the duration of the trail period of the restoration.
    • 本发明提供了一种润滑剂,用于配合牙冠,牙桥和其他修复修复体用于修复牙科诊所。 该化合物在优选的实施方案中具有包含该化合物的百分之九十或更多的碱。 可以是氧化锌的着色剂为化合物的5%以下,抑菌剂和抗炎剂的小百分比构成化合物的其余部分。 化合物优选容易地从制备的牙齿中洗涤,并且在未完成的牙冠,桥或其他修复修复物的尝试之后恢复。 这种润滑剂提供了一种新的测试技术和方法,用于恢复的尾迹期间。