Polymer Composition, Plastic Optical Fiber, Plastic Optical Fiber Cable, and Method for Manufacturing Plastic Optical Fiber
    12.
    发明申请
    Polymer Composition, Plastic Optical Fiber, Plastic Optical Fiber Cable, and Method for Manufacturing Plastic Optical Fiber 有权
    聚合物组合物,塑料光纤,塑料光缆,以及塑料光纤制造方法

    公开(公告)号:US20080166091A1

    公开(公告)日:2008-07-10

    申请号:US11794313

    申请日:2005-12-27

    IPC分类号: G02B6/44 C08F24/00

    CPC分类号: C08F224/00 G02B6/02033

    摘要: There is provided a polymer composition comprising 5 to 100% by mass of a unit (A) of a lactone compound represented by a general formula (1) and 0 to 95% by mass of a unit (B) of (meth)acrylate as constitutional units, wherein the unit (A) of a lactone compound comprises a unit of an (S) isomer represented by a general formula (2) and a unit of an (R) isomer represented by a general formula (3) at a mass ratio of from 70/30 to 30/70; and wherein the polymer composition has a total light scattering loss of not more than 100 dB/km. The polymer composition is excellent in heat resistance and transparency.

    摘要翻译: 提供一种聚合物组合物,其含有5〜100质量%的由通式(1)表示的内酯化合物的单元(A)和0〜95质量%的(甲基)丙烯酸酯单元(B) 结构单元,其中内酯化合物的单元(A)包含由通式(2)表示的(S)异构体的单元和由通式(3)表示的(R)异构体的单元,以质量计 比例为70/30至30/70; 并且其中所述聚合物组合物具有不大于100dB / km的总光散射损失。 聚合物组合物的耐热性和透明性优异。

    Process for producing L-amino acids
    13.
    发明授权
    Process for producing L-amino acids 失效
    生产L-氨基酸的方法

    公开(公告)号:US5215897A

    公开(公告)日:1993-06-01

    申请号:US525302

    申请日:1990-05-17

    IPC分类号: C12N9/80 C12P13/04 C12P41/00

    摘要: A process for producing an L-amino acid from the corresponding DL- and/or L-amino acid amide represented by the general formula: ##STR1## wherein R is a substituted or unsubstituted alkyl group having one to 4 carbon atoms, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted aralkyl group, by action of an enzyme having hydrolytic activity to L-amino acid amides which is produced by Enterobacter cloacae or Pseudomonas sp.

    摘要翻译: 由下列通式表示的相应的DL-和/或L-氨基酸酰胺生产L-氨基酸的方法:其中R是取代或未取代的具有1至4个碳原子的烷基,取代或 未取代的苯基或取代或未取代的芳烷基,通过对由阴沟肠杆菌或假单胞菌属(Pseudomonas sp。)产生的L-氨基酸酰胺具有水解活性的酶的作用。

    Method for producing polymer using monomer having piperidine skeleton, and molded body
    15.
    发明授权
    Method for producing polymer using monomer having piperidine skeleton, and molded body 有权
    使用具有哌啶骨架的单体制造聚合物的方法和成型体

    公开(公告)号:US08912287B2

    公开(公告)日:2014-12-16

    申请号:US13513332

    申请日:2010-12-01

    CPC分类号: C08F220/14 C08F2220/346

    摘要: Disclosed are a method for producing a polymer by a polymerization of a mixture at a temperature of 210° C. or lower, wherein the mixture comprises 0.01 to 35 mol % of a monomer or a polymer thereof which has a piperidine skeleton represented by formula (1), and a molded body thereof. R1 represents a hydrogen atom or a methyl group, X represents an oxygen atom, an imino group, or a specific oxygen atom containing a hydrocarbon group, and R2 and R3 represent a hydrogen atom, a linear alkyl group with C1 to C8, a branched alkyl group with C1 to C8, an alicyclic hydrocarbon with C6 to C8, or an aryl group, wherein R2 and R3 may also form a cyclic structure.

    摘要翻译: 公开了通过在210℃或更低的温度下聚合混合物制备聚合物的方法,其中所述混合物包含0.01至35摩尔%的具有由式(I)表示的哌啶骨架的单体或其聚合物 1)及其成型体。 R1表示氢原子或甲基,X表示氧原子,亚氨基或含有烃基的特定氧原子,R2和R3表示氢原子,C1-C8直链烷基,支链状 具有C1至C8的烷基,具有C6至C8的脂环族烃或芳基,其中R2和R3也可以形成环状结构。

    METHOD FOR PRODUCING POLYMER USING MONOMER HAVING PIPERIDINE SKELETON, AND MOLDED BODY
    19.
    发明申请
    METHOD FOR PRODUCING POLYMER USING MONOMER HAVING PIPERIDINE SKELETON, AND MOLDED BODY 有权
    使用具有管状骨架的单体和模制体的聚合物的制造方法

    公开(公告)号:US20120245318A1

    公开(公告)日:2012-09-27

    申请号:US13513332

    申请日:2010-12-01

    IPC分类号: C08F226/06

    CPC分类号: C08F220/14 C08F2220/346

    摘要: Disclosed are a method for producing a polymer by a polymerization of a mixture at a temperature of 210° C. or lower, wherein the mixture comprises 0.01 to 35 mol % of a monomer or a polymer thereof which has a piperidine skeleton represented by formula (1), and a molded body thereof. R1 represents a hydrogen atom or a methyl group, X represents an oxygen atom, an imino group, or a specific oxygen atom containing a hydrocarbon group, and R2 and R3 represent a hydrogen atom, a linear alkyl group with C1 to C8, a branched alkyl group with C1 to C8, an alicyclic hydrocarbon with C6 to C8, or an aryl group, wherein R2 and R3 may also form a cyclic structure.

    摘要翻译: 公开了通过在210℃或更低的温度下聚合混合物制备聚合物的方法,其中所述混合物包含0.01至35摩尔%的具有由式(I)表示的哌啶骨架的单体或其聚合物 1)及其成型体。 R1表示氢原子或甲基,X表示氧原子,亚氨基或含有烃基的特定氧原子,R2和R3表示氢原子,C1-C8直链烷基,支链状 具有C1至C8的烷基,具有C6至C8的脂环族烃或芳基,其中R2和R3也可以形成环状结构。

    Polymer composition, plastic optical fiber, plastic optical fiber cable, and method for manufacturing plastic optical fiber
    20.
    发明授权
    Polymer composition, plastic optical fiber, plastic optical fiber cable, and method for manufacturing plastic optical fiber 有权
    聚合物组合物,塑料光纤,塑料光缆,以及塑料光纤制造方法

    公开(公告)号:US07512309B2

    公开(公告)日:2009-03-31

    申请号:US11794313

    申请日:2005-12-27

    IPC分类号: G02B6/00

    CPC分类号: C08F224/00 G02B6/02033

    摘要: There is provided a polymer composition comprising 5 to 100% by mass of a unit (A) of a lactone compound represented by a general formula (1) and 0 to 95% by mass of a unit (B) of (meth)acrylate as constitutional units, wherein the unit (A) of a lactone compound comprises a unit of an (S) isomer represented by a general formula (2) and a unit of an (R) isomer represented by a general formula (3) at a mass ratio of from 70/30 to 30/70; and wherein the polymer composition has a total light scattering loss of not more than 100 dB/km. The polymer composition is excellent in heat resistance and transparency.

    摘要翻译: 提供一种聚合物组合物,其含有5〜100质量%的由通式(1)表示的内酯化合物的单元(A)和0〜95质量%的(甲基)丙烯酸酯单元(B) 结构单元,其中内酯化合物的单元(A)包含由通式(2)表示的(S)异构体的单元和由通式(3)表示的(R)异构体的单元,以质量计 比例为70/30至30/70; 并且其中所述聚合物组合物具有不大于100dB / km的总光散射损失。 聚合物组合物的耐热性和透明性优异。