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    • 5. 发明申请
    • A MULTI-STAGE POLYMER COMPOSITION AND FILMS AND POLARIZER PLATES MADE THEREFROM
    • 多级聚合物组合物和薄膜以及偏光片
    • WO2013028403A1
    • 2013-02-28
    • PCT/US2012/050731
    • 2012-08-14
    • DOW GLOBAL TECHNOLOGIES LLCGUO, HailanNELLIAPPAN, Veera, D.LUNDQUIST, Eric, G.
    • GUO, HailanNELLIAPPAN, Veera, D.LUNDQUIST, Eric, G.
    • C08F220/14C08L33/12C08F2/00C08F285/00G02B1/04G02B1/10
    • C08L33/12C08F2/001C08F220/14C08F285/00C08F2220/1808G02B1/04Y10T428/2998C08F2220/281C08F236/20C08F222/1006C08L33/08C08L33/10
    • A multi-stage polymer composition comprising a crosslinked core component, one or more intermediate layer components and an outermost layer component in which the refractive index of each of the crosslinked core, the one or more intermediate layers and the outermost layer are within 2% of the refractive index of each adjacent component; wherein the crosslinked core component comprises from 75 to 99.9 weight percent of units derived from at least one first monomer selected from the group consisting of alkyl, aryl, and cycloalkyl (meth)acrylate monomer, optionally from 1 to 20 weight percent of units derived from a second monomer selected from the group consisting vinyl monomers; and from 0.1 to 5 weight percent of units derived from cross-linking monomers, graft-linking monomers, or combination thereof, and has a Tg of from -75 to -35 °C; wherein each of the one or more intermediate layer components comprises from 71 to 99.9 weight percent of units derived from a third monomer selected from the group consisting alkyl, aryl and cycloalkyl (meth)acrylate monomers, from 0 to 5 weight percent of units derived from a cross-linking monomer, graft-linking monomer, or combination thereof, optionally from 1 to 10 weight percent of units derived from one or more functional monomers, from 0 to 14 weight percent of vinyl monomers, and has a Tg of from -35 to 100 °C; and wherein the outermost layer component comprises from 90 to 100 weight percent units derived from a fourth monomer selected from the group consisting of alkyl (meth)acrylate having from one to twelve carbon atoms, optionally from 0.5 to 10 weight percent of units derived from one or more functional monomers, and has a Tg of from 80 to 130 °C is provided. Films and polarizer plates made from the compositions are also provided.
    • 一种多级聚合物组合物,其包含交联核心组分,一种或多种中间层组分和最外层组分,其中交联核心,一个或多个中间层和最外层中的每一个的折射率在 每个相邻部件的折射率; 其中所述交联核心组分包含75至99.9重量%的衍生自至少一种选自烷基,芳基和(甲基)丙烯酸环烷基酯单体的第一单体的单元,任选地1至20重量%衍生自 选自乙烯基单体的第二单体; 和0.1至5重量%的衍生自交联单体,接枝单体或其组合的单元,并且具有-75至-35℃的Tg; 其中所述一种或多种中间层组分中的每一种包含71至99.9重量%的衍生自选自烷基,芳基和(甲基)丙烯酸环烷基酯单体的第三单体的单元,0至5重量%的衍生自 交联单体,接枝单体或其组合,任选地1至10重量%的衍生自一种或多种官能单体的单元,0至14重量%的乙烯基单体,并且具有-35 至100℃; 并且其中所述最外层组分包含90至100重量%的衍生自第四单体的单元,所述第四单体选自具有1至12个碳原子的(甲基)丙烯酸烷基酯,任选地0.5至10重量%的衍生自一个 或更多官能单体,并且具有80至130℃的Tg。 还提供了由组合物制成的膜和偏振片。
    • 6. 发明申请
    • POLYCARBONATE BLEND AND METHOD OF PRODUCING THE SAME
    • 聚碳酸酯混合物及其生产方法
    • WO2013154694A1
    • 2013-10-17
    • PCT/US2013/028966
    • 2013-03-05
    • ROHM & HAAS COMPANYNELLIAPPAN, Veera, G.LUNDQUIST, Eric, G.SAINT-GERARD, Yannick
    • NELLIAPPAN, Veera, G.LUNDQUIST, Eric, G.SAINT-GERARD, Yannick
    • C08L69/00C08L33/12
    • C08L69/00C08L33/12C08F220/14C08F2220/1841
    • A blend comprising from 50 to 95 percent by weight polycarbonate; and from 5 to 50 percent by weight modified methyl methacrylate polymer, wherein the modified methyl methacrylate polymer is selected from the group consisting of modified methyl methacrylate homopolymer, modified methyl methacrylate copolymers, and combinations thereof; wherein the modified methyl methacrylate polymer has one or more end groups provided by reaction with one or more chain transfer agents selected from the group consisting of mercapto esters, cycloalkyl and substituted cycloalkyl thiols, hydroxyl thiols, aryl and substituted aryl thiols, and aminoalkyl thiols, wherein the modified methyl methacrylate polymer has a Mw from 5,000 to 100,000 g/mole; and wherein the blend exhibits a pencil hardness equal to or greater than F measured according to ASTM D3363 - 05 is provided. A method for preparing a polycarbonate/modified methyl methacrylate blend is also provided.
    • 包含50至95重量%的聚碳酸酯的共混物; 和5至50重量%的改性甲基丙烯酸甲酯聚合物,其中所述改性甲基丙烯酸甲酯聚合物选自改性甲基丙烯酸甲酯均聚物,改性甲基丙烯酸甲酯共​​聚物及其组合; 其中所述改性甲基丙烯酸甲酯聚合物具有一个或多个端基,其通过与一种或多种选自巯基酯,环烷基和取代的环烷基硫醇,羟基硫醇,芳基和取代的芳基硫醇以及氨基烷基硫醇的链转移剂反应而提供, 其中所述改性的甲基丙烯酸甲酯聚合物具有5,000至100,000g / mol的Mw; 并且其中所述共混物显示根据ASTM D3363-05测量的等于或大于F的铅笔硬度。 还提供了制备聚碳酸酯/改性甲基丙烯酸甲酯共​​混物的方法。