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    • 3. 发明申请
    • OPTICAL FIBER COATING COMPOSITION WITH NON-REACTIVE REINFORCING AGENT
    • 光纤涂层组合物与非反应性增强剂
    • WO2016100148A1
    • 2016-06-23
    • PCT/US2015/065429
    • 2015-12-14
    • CORNING INCORPORATED
    • MCCARTHY, Kevin RobertSCHISSEL, David Neal
    • C08G18/00
    • C08L75/08C08G18/12C08G18/2825C08G18/3206C08G18/4825C08G18/758C08G18/8175C08G18/48
    • A non-radiation curable reinforcing agent for optical fiber coatings and coating compositions. The reinforcing agent includes structurally flexible soft block segments and structurally rigid hard block segments. The soft block segments and hard block segments include urethane or urea linkages and act as strengthening additives in optical fiber coatings. Strength reinforcement occurs through interactions of the reinforcing agent with the polymeric network formed from curable components of the coating composition. Interactions include physical entanglements and hydrogen bonding. Soft block segments include block units that may include high molecular weight polyol linkages and soft block segments include block units that may include low molecular weight alkylene linkages. Coatings that include the reinforcing agents exhibit low Young's modulus, high tensile strength, and low glass transition temperatures and are suitable for use as primary coatings in optical fibers.
    • 用于光纤涂层和涂料组合物的非辐射固化增强剂。 增强剂包括结构上柔性的软块段和结构刚性硬块段。 软块段和硬块段包括氨基甲酸酯或脲键,并且在光纤涂层中用作强化添加剂。 通过增强剂与由涂料组合物的可固化组分形成的聚合物网络的相互作用发生强度增强。 相互作用包括物理缠结和氢键。 软嵌段段包括可以包括高分子量多元醇键的嵌段单元,并且软链段包括可以包括低分子量亚烷基键的嵌段单元。 包括增强剂的涂层表现出低杨氏模量,高拉伸强度和低玻璃化转变温度,并且适合用作光纤中的主要涂层。
    • 8. 发明申请
    • SYNTHESIS OF POLYFUNCTIONAL POLYOL ACRYLATES
    • 多官能聚丙烯酸酯的合成
    • WO2014197372A1
    • 2014-12-11
    • PCT/US2014/040508
    • 2014-06-02
    • CORNING INCORPORATED
    • MCCARTHY, Kevin RobertNIU, WeijunSCHISSEL, David NealWALLACE, Arthur Lawrence
    • C08F2/00
    • C08G65/3322
    • A method of synthesizing urethane-free polyfunctional acrylate compounds. The method includes reaction of a polyol with acrylic acid in the presence of an inhibitor. A catalyst may also be present. The catalyst may be an acid and the inhibitor may be a substituted phenol compound. Excess acid may be removed by adding a salt and excess water may be removed by adding a drying agent. The reaction converts alcohol groups of the polyol to acrylate groups to provide a radiation-curable polyfunctional acrylate compound. The reaction is applicable to polyols generally and provides a scalable high yield process for forming urethane-free polyfunctional acrylates over a wide range of molecular weights. Coatings made from the acrylate products exhibit modulus and tensile strength characteristics favorable for primary fiber coatings.
    • 一种合成无氨基甲酸酯的多官能丙烯酸酯化合物的方法。 该方法包括在抑制剂存在下,多元醇与丙烯酸的反应。 催化剂也可以存在。 催化剂可以是酸,抑制剂可以是取代的酚化合物。 可以通过加入盐除去过量的酸,并且可以通过加入干燥剂除去过量的水。 该反应将多元醇的醇基转化为丙烯酸酯基团,以提供可辐射固化的多官能丙烯酸酯化合物。 该反应通常适用于多元醇,并提供可扩展的高收率方法,用于在宽范围的分子量下形成无氨基甲酸酯的多官能丙烯酸酯。 由丙烯酸酯产品制成的涂料显示出对初级纤维涂层有利的模量和拉伸强度特性。