会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明授权
    • Organopolysiloxane/polyurethane elastomeric block copolymers
    • 有机聚硅氧烷/聚氨酯弹性体嵌段共聚物
    • US4518758A
    • 1985-05-21
    • US423259
    • 1982-09-24
    • Jacques CavezzanChristian Prud'Homme
    • Jacques CavezzanChristian Prud'Homme
    • C08G18/00C08G18/61C08G18/77C08G18/81C08G77/00C08G77/38C08G77/388C08G77/42C08G77/26
    • C08G18/61C08G18/778C08G77/38C08G77/388C08G77/42
    • Novel organopolysiloxane/polyurethane block copolymers which are thermoplastic elastomers and which possess good thermomechanical properties, are comprised of the following recurring units (A) and (B): ##STR1## wherein Z is a divalent radical which comprises a polysiloxane block and has the formula: ##STR2## in which Y and Y' are each a divalent radical having one of the formulae: ##STR3## wherein T and T' comprise the divalent or trivalent residue having from 1 to 20 carbon atoms of an unsaturated isocyanate or alcohol having one of the formulae:OCN--T--CR.sub.1 .dbd.CR.sub.2 R.sub.3HO--T--CR.sub.1 .dbd.CR.sub.2 R.sub.3 ##STR4## or an oxygen, sulfur, silicon, nitrogen, ester or amide interrupted such T or T' residue, and further wherein R.sub.1, R.sub.2 and R.sub.3 are each hydrogen, alkyl or aryl, with the proviso that two of the radicals R.sub.1 and R.sub.2 may together form a single alkylene radical; each R is an alkyl or halogenoalkyl radical having from 1 to 5 carbon atoms and containing from 1 to 7 chlorine and/or fluorine substituents, cycloalkyl or halogenocycloalkyl radical having from 3 to 8 carbon atoms and containing from 1 to 4 chlorine and/or fluorine substituents, aryl, alkylaryl or halogenoaryl radical having from 6 to 8 carbon atoms and containing from 1 to 4 chlorine and/or fluorine substituents, or a cyanoalkyl radical having from 3 to 4 carbon atoms; n is a number of at least 10; G.sub.1 and G.sub.2 are each divalent hydrocarbon radicals having from 2 to 20 carbon atoms, or two such hydrocarbon radicals joined together by a direct valence bond or through an oxygen atom or alkylene or alkylidene bridge having from 1 to 4 carbon atoms; m is a number ranging from 1 to 20; and a is a number which is either zero or 1.
    • 作为热塑性弹性体并具有良好热机械性能的新型有机聚硅氧烷/聚氨酯嵌段共聚物由以下重复单元(A)和(B)组成:其中Z为二价基团 其包含聚硅氧烷嵌段,并具有下式:其中Y和Y'各自为具有下式之一的二价基团:其中T和T'包含具有1或2的2价或3价残基 具有下式之一的不饱和异氰酸酯或醇的至少20个碳原子:OCN-T-CR1 = CR2R3 HO-T-CR1 = CR2R3 或者氧,硫,硅,氮,酯或酰胺中断 这样的T或T'残基,并且其中R 1,R 2和R 3各自为氢,烷基或芳基,条件是基团R 1和R 2中的两个可以一起形成单个亚烷基; 每个R是具有1至5个碳原子并含有1至7个氯和/或氟取代基的烷基或卤代烷基,具有3至8个碳原子并含有1至4个氯和/或氟的环烷基或卤代环烷基 具有6至8个碳原子并含有1至4个氯和/或氟取代基的取代基,芳基,烷基芳基或卤代芳基,或具有3至4个碳原子的氰基烷基; n是至少10的数; G1和G2是具有2至20个碳原子的二价烃基,或两个这样的烃基通过直接键键或通过氧原子或具有1至4个碳原子的亚烷基桥连接在一起; m是从1到20的数字; a是0或1的数字。
    • 3. 发明授权
    • Cationically crosslinkable polyorganosiloxanes and antiadhesive coatings
produced therefrom
    • 阳离子交联的聚有机硅氧烷和由其制备的防粘涂层
    • US5340898A
    • 1994-08-23
    • US35603
    • 1993-03-23
    • Jacques CavezzanChristian Priou
    • Jacques CavezzanChristian Priou
    • C08J3/28C07F5/02C08K5/55C08L83/04C09D183/04C09D183/06C08G77/06
    • C08K5/55C07F5/027C09D183/06Y10T428/31663
    • Cationically crosslinkable polyorganosiloxane compositions, well suited for providing antiadhesive coatings on a wide variety of shaped substrates via the photochemical/electron beam crosslinking thereof, include a catalytically effective amount of an onium borate of an element of Groups 15 to 17 of the Periodic Table, the anionic borate moiety of which onium borate having the formula:[BX.sub.a R.sub.b ].sup.-in which a and b are integers ranging from 0 to 4 and a+b=4; the symbols X are each a halogen atom when a ranges up to 3 and an OH functional group when a ranges up to 2; and the symbols R, which may be identical or different, are each a phenyl radical substituted by at least one electron-withdrawing substituent or by at least two halogen atoms, or an aryl radical containing at least two aromatic ring members, or such aryl radical bearing at least one electron-withdrawing substituent.
    • 非常适合通过其光化学/电子束交联在各种成形基材上提供抗粘附涂层的阳离子交联性聚有机硅氧烷组合物包括催化有效量的元素周期表第15-17族元素的硼酸镧, 其中硼和硼酸盐的阴离子硼酸盐部分具有下式:[BXaRb] - 其中a和b是0-4和a + b = 4的整数; 当范围高达3时,符号X各自为卤素原子,当范围达到2时,符号X为OH官能团; 并且可以相同或不同的符号R各自为被至少一个吸电子取代基或至少两个卤素原子取代的苯基,或含有至少两个芳族环成员的芳基或这样的芳基 带有至少一个吸电子取代基。