Silicone surfactants for rigid polyurethane foam made with hydrocarbon blowing agents
    2.
    发明申请
    Silicone surfactants for rigid polyurethane foam made with hydrocarbon blowing agents 失效
    用烃发泡剂制成的硬质聚氨酯泡沫硅胶表面活性剂

    公开(公告)号:US20050131090A1

    公开(公告)日:2005-06-16

    申请号:US10736042

    申请日:2003-12-15

    摘要: A method for making a rigid polyurethane foam by reacting a polyisocyanate and a polyol in the presence of a urethane catalyst, a blowing agent and a silicone surfactant characterized by employing a blowing agent comprising a C4 or C5 hydrocarbon, or mixtures thereof, with an average molecular weight of ≦72 g/mole and a boiling point in the range of 27.8 to 50 ° C., and a silicone surfactant comprising a polyether-polysiloxane copolymer represented by the following formula: (CH3)3—Si—O—(Si(CH3)2—O)x—(Si(CH3)(R)O)y—Si(CH3)3 where R═(CH2)3—O—(—CH2—CH2—O)a—(CH2—CH(CH3)—O)b—R″, and where R″ is H, (CH2)ZCH3, or C(O)CH3; x+y+2 is 60-130; x/y is 5-14; z is 0-4; the total surfactant molecular weight, based on the formula, is 7000-30,000 g/mole, the wt % siloxane in the surfactant is 32-70 wt %, the blend average molecular weight (BAMW) of the polyether portion is 450-1000 g/mole, and the mole % of ethylene oxide in the polyether portion is 70-100 mole %.

    摘要翻译: 一种通过在聚氨酯催化剂,发泡剂和硅氧烷表面活性剂存在下使多异氰酸酯和多元醇反应制备硬质聚氨酯泡沫的方法,其特征在于使用包含C 4或C 5烃或其混合物的发泡剂, 分子量<= 72g / mol,沸点在27.8〜50℃的范围内,和含有下式表示的聚醚 - 聚硅氧烷共聚物的硅氧烷表面活性剂:&lt;线内配方说明=“ (CH 3 3)3 -Si-O-(Si(CH 3)3) (S(CH 3 O)O)y -S(CH 2)n - &lt; 3-in-line-formula description =“In-line formula”end =“tail”?>其中<?in-line-formula description =“In 线型式“end =”lead“?> R-(CH 2)3 -O - ( - CH 2)-CH (CH 2 CH 2) - (CH 2 CH 2) - (CH 2 CH 3)-O)b - SUB> -R“和<?in-line-formula description =”In-lin 其中R“为H,(CH 2)2 Z 3 CH 3或C(O) )CH 3 3; x + y + 2为60〜130; x / y为5-14; z为0-4; 表面活性剂的总表面活性剂分子量为7000-30,000g / mol,表面活性剂中的重量%硅氧烷为32-70重量%,聚醚部分的共混物平均分子量(BAMW)为450-1000g /摩尔,聚醚部分中环氧乙烷的摩尔%为70-100摩尔%。

    THIN FILM TRANSISTORS WITH POLY(ARYLENE ETHER) POLYMERS AS GATE DIELECTRICS AND PASSIVATION LAYERS
    6.
    发明申请
    THIN FILM TRANSISTORS WITH POLY(ARYLENE ETHER) POLYMERS AS GATE DIELECTRICS AND PASSIVATION LAYERS 失效
    具有聚(亚乙基醚)聚合物的薄膜晶体管作为栅极电介质和钝化层

    公开(公告)号:US20070296047A1

    公开(公告)日:2007-12-27

    申请号:US11752722

    申请日:2007-05-23

    IPC分类号: H01L29/786 C08G65/00 C08J3/28

    摘要: The use of a poly(arylene ether) polymer as a passivation or gate dielectric layer in thin film transistors. This poly(arylene ether) polymer includes polymer repeat units of the following structure: —(O—Ar1—O—Ar2—O—)m—(—O—Ar3—O—Ar4—O)n— where Ar1, Ar2, Ar3, and Ar4 are identical or different aryl radicals, m is 0 to 1, n is 1−m, and at least one of the aryl radicals is grafted to the backbone of the polymer

    摘要翻译: 使用聚(亚芳基醚)聚合物作为薄膜晶体管中的钝化或栅介质层。 该聚(亚芳基醚)聚合物包括具有以下结构的聚合物重复单元:<?in-line-formula description =“In-line Formulas”end =“lead”→>(O-Ar 1 -O) - <?in-line-formula description =“In-line Formulas”end =“tail”?>其中Ar <1> 2,Ar 3和Ar 4是相同或不同的芳基,m是0-1,n是1-m,并且至少一个 芳基被接枝到聚合物的主链上