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    • 1. 发明授权
    • Radiation curable optical fiber coating composition
    • 辐射固化光纤涂料组合物
    • US6080483A
    • 2000-06-27
    • US891450
    • 1997-07-10
    • David M. SzumTimothy E. BishopSteven R. Schmid
    • David M. SzumTimothy E. BishopSteven R. Schmid
    • G02B6/44C03C25/10C03C25/24C08F2/48C08G18/67C09D175/16G02B6/02C08F2/50C08L75/08C08L75/16
    • C09D175/16C03C25/106C03C25/1065C08G18/672Y10T428/2938
    • Provided is a radiation-curable, glass optical fiber coating composition which when suitably cured exhibits resistance to attack from hydrocarbon gel cable filing material. The composition containsabout 10 to about 90% by weight of a first radiation-curable oligomer;from 0 to about 40% by weight of a reactive diluent;from 0 to about 40% by weight of a photoinitiator;from 0 to about 10% by weight of a pigment; andabout 10 to about 90% by weight of a second radiation-curable oligomer according to the following formula:R.sup.1 -L.sup.1 -C.sup.1 -L.sup.2 -R.sup.2 (1)where:R.sup.1 and R.sup.2, independently, each represent a radiation-curable functional group;L.sup.1 and L.sup.2, independently, each represent an alkyleneoxy chain having from about 2 to about 40 carbon atoms, wherein L.sup.1 and L.sup.2 are linked to C.sup.1 through an oxygen atomC.sup.1 comprises a hydrocarbon having from about 5 to about 40 carbon atoms and containing at least one cyclic group.
    • 提供了一种可辐射固化的玻璃光纤涂层组合物,其在适当固化时表现出抗烃凝胶电缆填料的抗性。 该组合物含有约10至约90重量%的第一可辐射固化的低聚物; 0至约40重量%的反应性稀释剂; 0至约40重量%的光引发剂; 0至约10重量%的颜料; 和约10至约90重量%的根据下式的第二可辐射固化低聚物:R1-L1-C1-L2-R2(1)其中:R1和R2各自表示可辐射固化的官能团 ; L1和L2各自独立地表示具有约2至约40个碳原子的亚烷基氧基,其中L1和L2通过氧原子连接到C1包括具有约5至约40个碳原子的烃并且至少包含 一个循环组。
    • 2. 发明授权
    • Radiation-curable optical fiber coating composition
    • 可辐射固化光纤涂层组合物
    • US06472450B2
    • 2002-10-29
    • US09479873
    • 2000-01-10
    • David M. SzumTimothy E. BishopSteven R. Schmid
    • David M. SzumTimothy E. BishopSteven R. Schmid
    • G02B602
    • C09D175/16C03C25/106C03C25/1065C08G18/672Y10T428/2938C08G18/48
    • Provided is a radiation-curable, glass optical fiber coating composition which when suitably cured exhibits resistance to attack from hydrocarbon gel cable filing material. The composition contains about 10 to about 90% by weight of a first radiation-curable oligomer; from 0 to about 40% by weight of a reactive diluent; from 0 to about 40% by weight of a photoinitiator; from 0 to about 10% by weight of a pigment; and about 10 to about 90% by weight of a second radiation-curable oligomer according to the following formula: R1-L1-C1-L2-R2  (1) where: R1 and R2, independently, each represent a radiation-curable functional group; L1 and L2, independently, each represent an an alkyleneoxy chain having from about 2 to about 40 carbon atoms, wherein L1 and L2 are linked to C1 through an oxygen atom C1 comprises a hydrocarbon having from about 5 to about 40 carbon atoms and containing at least one cyclic group.
    • 提供了一种可辐射固化的玻璃光纤涂层组合物,其在适当固化时表现出抗烃凝胶电缆填料的抗性。 组合物含有10至约90重量%的第一可辐射固化低聚物; 0至约40重量%的反应性稀释剂; 0至约40重量%的光引发剂; 0至约10重量% 颜料的重量; 和约10至约90重量%的根据下式的第二可辐射固化低聚物:其中:R 1和R 2各自独立地表示可辐射固化的官能团; L 1和L 2独立地表示亚烷氧基链 具有约2至约40个碳原子,其中L1和L2通过氧原子C1与C1连接,包括具有约5至约40个碳原子并含有至少一个环状基团的烃。
    • 3. 发明授权
    • Radiation curable optical fiber coating composition
    • 辐射固化光纤涂料组合物
    • US5837750A
    • 1998-11-17
    • US615857
    • 1996-03-12
    • David M. SzumTimothy E. BishopSteven R. Schmid
    • David M. SzumTimothy E. BishopSteven R. Schmid
    • G02B6/44C03C25/10C03C25/24C08F2/48C08G18/67C09D175/16C08L63/10C08L75/08C08L75/16
    • C09D175/16C03C25/106C03C25/1065C08G18/672Y10T428/2938
    • Provided is a radiation-curable, glass optical fiber coating composition which when suitably cured exhibits resistance to attack from hydrocarbon gel cable filing material. The composition contains about 10 to about 90% by weight of a first radiation-curable oligomer; from 0 to about 40% by weight of a reactive diluent; from 0 to about 40% by weight of a photoinitiator; from 0 to about 10% by weight of a pigment; and about 10 to about 90% by weight of a second radiation-curable oligomer according to the following formula: R.sup.1 -L.sup.1 -C.sup.1 -L.sup.2 -R.sup.2 (1) where: R.sup.1 and R.sup.2, independently, each represent a radiation-curable functional group; L.sup.1 and L.sup.2, independently, each represent an alkyleneoxy chain having from about 2 to about 40 carbon atoms, wherein L.sup.1 and L.sup.2 are linked to C.sup.1 through an oxygen atom C.sup.1 comprises a hydrocarbon having from about 5 to about 40 carbon atoms and containing at least one cyclic group.
    • 提供了一种可辐射固化的玻璃光纤涂层组合物,其在适当固化时表现出抗烃凝胶电缆填料的抗性。 该组合物含有约10至约90重量%的第一可辐射固化的低聚物; 0至约40重量%的活性稀释剂; 0至约40重量%的光引发剂; 0至约10重量%的颜料; 和约10至约90重量%的根据下式的第二可辐射固化低聚物:R1-L1-C1-L2-R2(1)其中:R1和R2各自表示可辐射固化的官能团 ; L1和L2各自独立地表示具有约2至约40个碳原子的亚烷基氧基,其中L1和L2通过氧原子连接到C1包括具有约5至约40个碳原子的烃并且至少包含 一个循环组。
    • 7. 发明授权
    • Minimum energy curb negotiating wheelchair
    • 最低能量遏制谈判轮椅
    • US4962942A
    • 1990-10-16
    • US354804
    • 1989-05-22
    • Ralph L. BarnettSteven R. SchmidRobert Kaplan
    • Ralph L. BarnettSteven R. SchmidRobert Kaplan
    • A61G5/06
    • A61G5/023A61G5/026A61G5/06
    • A wheelchair which can negotiate curbs and other obstructions with a minimum of effort by the wheelchair occupant. The wheelchair has conventional front caster wheels and rear propulsion wheels, with first auxiliary support wheels located between the caster and rear wheels, and second auxiliary wheels being located outboard behind the rear wheels. The castered wheels and the rear wheels are structured to be raised or lowered by the wheelchair occupant. When a curb is encountered, the occupant propels the wheelchair forwardly until the first auxiliary wheels are at the edge of the curb, and the castered wheels are suspended. The castered wheels are then lowered to the bottom of the curb and the wheelchair propelled forward until the second auxiliary wheels are at the curb edge. The large rear wheels are then lowered to curb level, and the wheelchair is propelled by the occupant to the opposite curb, where the curb is ascended by turning the wheelchair 180.degree. and performing the wheel adjusting process in the opposite sequence.
    • 一个轮椅,可以轮椅乘客尽可能少的努力谈判路边和其他障碍物。 轮椅具有常规的前脚轮和后推进轮,第一辅助支撑轮位于脚轮和后轮之间,第二副轮位于后轮后方。 脚轮和后轮的构造被轮椅乘员升高或降低。 当遇到路边时,乘客向前推动轮椅,直到第一辅助车轮处于路缘石的边缘,并且车轮悬挂。 然后将后轮落到路边的底部,轮椅向前推进,直到第二辅助轮处于边缘边缘。 然后将大的后轮降低到遏制水平,轮椅由乘员推动到相对的路缘,路边通过转动轮椅180°而上升,并以相反的顺序执行车轮调整过程。
    • 9. 发明授权
    • Strong and elastic polyurethane, polyurea, polyarylates and electron
beam-cured coatings containing the same
    • 聚氨酯,聚脲,多芳基化合物和电子束固化涂层的强弹性和弹性
    • US4822841A
    • 1989-04-18
    • US104966
    • 1987-10-06
    • Kevin P. MurrayRobert E. AnselSteven R. Schmid
    • Kevin P. MurrayRobert E. AnselSteven R. Schmid
    • C08F299/06C08G18/12C08G18/32C08G18/44C08G18/66C08G18/67C08G18/08C08F283/04C08G18/16C08L75/02
    • C08G18/673C08F299/065C08G18/12C08G18/3215C08G18/44C08G18/6607C08G18/6618C08G18/672C08G18/6725
    • An essentially isocyanate-free polyurethane, polyurea, polyethylenic oligomer is disclosed which is unusually strong and elastic and which possesses improved solvent solubility. This oligomer is the reaction product of: (1) organic diisocyanate; (2) a stoichiometric deficiency of difunctional materials reactive therewith and consisting essentially of: (A) diol component selected from polycarbonate diol and polyoxyalkylene glycol, this diol component having a molecular weight of from 200 to 2000; (B) dihydric bisphenol-based alkylene oxide adduct containing from 2-6 alkylene groups per molecule; and (C) a diprimary diamine component selected from alkylene diamine and polyoxyalkylene diamine, this diamine component having a molecular weight of from about 60 to 800. Components (A) and (B) are present in a mole ratio of, from 1:1.5 to 1:5 and component (C) is present to supply from 5 to 30 equivalent percent of the total equivalents of component (2). The polyurethane polyurea so-constituted is capped with monohydric ethylenic compound, such as 2-hydroxyethyl acrylate, to provide a molecular weight in the range of about 5,000 to about 30,000.This polyethylenic oligomer is cured by radiation exposure, as from an electron beam, and a polyethylenic cross-linking agent may be used to enhance the cure. The coating compositions are preferably pigmented and diluted to a resin solids content of about 5% to 15%, at which dilution they exhibit superior resistance to precipitation.
    • 公开了一种基本上不含异氰酸酯的聚氨酯,聚脲,聚烯烃低聚物,它具有非常强的和有弹性的并且具有改进的溶剂溶解性。 该低聚物是以下物质的反应产物:(1)有机二异氰酸酯; (2)与其反应的二官能材料的化学计量不足,基本上由以下组成:(A)选自聚碳酸酯二醇和聚氧化亚烷基二醇的二醇组分,该二醇组分的分子量为200-2000; (B)每分子含有2-6个亚烷基的二元双酚类环氧烷加合物; 和(C)选自亚烷基二胺和聚氧化烯二胺的二元二胺组分,该二胺组分的分子量为约60至800.组分(A)和(B)的摩尔比为1:1.5 至1:5,并且组分(C)存在以提供组分(2)的总当量的5至30当量%。 如此构成的聚氨酯聚脲用一元乙烯化合物如丙烯酸2-羟乙酯封端,以提供约5,000至约30,000的分子量。 这种聚亚乙基低聚物通过辐射暴露而固化,如从电子束,并且可以使用聚乙烯交联剂来增强固化。 涂料组合物优选着色并稀释至约5%至15%的树脂固体含量,在该稀释条件下,它们表现出优异的耐沉淀性。