Glycolic acid copolymer and method for production thereof
    1.
    发明申请
    Glycolic acid copolymer and method for production thereof 有权
    乙醇酸共聚物及其制备方法

    公开(公告)号:US20050288479A1

    公开(公告)日:2005-12-29

    申请号:US10528984

    申请日:2003-09-24

    摘要: A glycolic acid copolymer comprising (a) 80 to less than 95% by mole of glycolic acid monomer units, (b) 5.0 to 20.0% by mole of non-glycolic, hydroxycarboxylic acid monomer units, and (c) 0 to 0.10% by mole of diglycolic acid monomer units, the non-glycolic, hydroxycarboxylic acid monomer units (b) constituting a plurality of segments each independently consisting of at least one monomer unit (b), wherein the segments have an average chain length of from 1.00 to 1.50 in terms of the average number of monomer unit or units (b), the total of the components (a), (b) and (c) being 100% by mole, the glycolic acid copolymer having a weight average molecular weight of 50,000 or more.

    摘要翻译: 一种乙醇酸共聚物,其包含(a)80〜小于95摩尔%的乙醇酸单体单元,(b)5.0〜20.0摩尔%的非乙醇酸羟基羧酸单体单元,(c)0〜0.10摩尔% 摩尔的二甘醇酸单体单元,构成多个片段的非乙醇酸羟基单体单元(b),其各自独立地由至少一个单体单元(b)组成,其中链段的平均链长为1.00至1.50 以单体单元或单元(b)的平均数来说,组分(a),(b)和(c)的总和为100摩尔%,重均分子量为50,000的乙醇酸共聚物或 更多。

    Process for production of high-purity crystals of glycolic acid
    2.
    发明授权
    Process for production of high-purity crystals of glycolic acid 有权
    生产高纯度乙醇酸晶体的方法

    公开(公告)号:US07164040B2

    公开(公告)日:2007-01-16

    申请号:US10500882

    申请日:2003-01-29

    IPC分类号: C07C51/42

    CPC分类号: C07C51/43 C07C59/06

    摘要: A method for producing high purity glycolic acid crystals, which comprises the steps of: (1) providing an aqueous glycolic acid solution (A) which has (a) a water content of from 5 to 20% by weight, (b) a calculated monomeric glycolic acid weight ratio (ratio of the total weight of the monomeric glycolic acid and the component monomeric glycolic acid of the glycolic acid condensation product to the weight of the aqueous glycolic acid solution (A)) of from 0.60 to 1.00 and (c) a monomeric glycolic acid content of from 20 to 57% by weight; (2) depositing glycolic acid crystals from the solution (A); and (3) separating the deposited glycolic acid crystals from the solution (A).

    摘要翻译: 一种生产高纯度乙醇酸晶体的方法,包括以下步骤:(1)提供一种水性乙醇酸溶液(A),其具有(a)水含量为5至20重量%,(b)计算的 单体乙醇酸重量比(乙醇酸单体乙醇酸和乙醇酸缩合产物的单体乙醇酸的总重量与乙醇酸水溶液(A)的重量比)的比例为0.60〜1.00,(c) 单体乙醇酸含量为20至57重量%; (2)从溶液(A)中沉淀乙醇酸晶体; 和(3)从溶液(A)中分离沉积的乙醇酸晶体。

    Process for production of high-purity cyrstals of glycolic acid
    3.
    发明申请
    Process for production of high-purity cyrstals of glycolic acid 有权
    生产乙醇酸高纯度芝士的方法

    公开(公告)号:US20050020853A1

    公开(公告)日:2005-01-27

    申请号:US10500882

    申请日:2003-01-29

    IPC分类号: C07C51/43 C07C51/42

    CPC分类号: C07C51/43 C07C59/06

    摘要: A method for producing high purity glycolic acid crystals, which comprises the steps of: (1) providing an aqueous glycolic acid solution (A) which has (a) a water content of from 5 to 20% by weight, (b) a calculated monomeric glycolic acid weight ratio (ratio of the total weight of the monomeric glycolic acid and the component monomeric glycolic acid of the glycolic acid condensation product to the weight of the aqueous glycolic acid solution (A)) of from 0.60 to 1.00 and (c) a monomeric glycolic acid content of from 20 to 57% by weight; (2) depositing glycolic acid crystals from the solution (A); and (3) separating the deposited glycolic acid crystals from the solution (A).

    摘要翻译: 一种生产高纯度乙醇酸晶体的方法,包括以下步骤:(1)提供一种水性乙醇酸溶液(A),其具有(a)水含量为5至20重量%,(b)计算的 单体乙醇酸重量比(乙醇酸单体乙醇酸和乙醇酸缩合产物的单体乙醇酸的总重量与乙醇酸水溶液(A)的重量比)的比例为0.60〜1.00,(c) 单体乙醇酸含量为20至57重量%; (2)从溶液(A)中沉淀乙醇酸晶体; 和(3)从溶液(A)中分离沉积的乙醇酸晶体。

    Glycolic acid copolymer and method for production thereof
    4.
    发明授权
    Glycolic acid copolymer and method for production thereof 有权
    乙醇酸共聚物及其制备方法

    公开(公告)号:US07202326B2

    公开(公告)日:2007-04-10

    申请号:US10528984

    申请日:2003-09-24

    IPC分类号: C08G63/06 C08F20/00

    摘要: A glycolic acid copolymer comprising (a) 80 to less than 95% by mole of glycolic acid monomer units, (b) 5.0 to 20.0% by mole of non-glycolic, hydroxycarboxylic acid monomer units, and (c) 0 to 0.10% by mole of diglycolic acid monomer units, the non-glycolic, hydroxycarboxylic acid monomer units (b) constituting a plurality of segments each independently consisting of at least one monomer unit (b), wherein the segments have an average chain length of from 1.00 to 1.50 in terms of the average number of monomer unit or units (b), the total of the components (a), (b) and (c) being 100% by mole, the glycolic acid copolymer having a weight average molecular weight of 50,000 or more.

    摘要翻译: 一种乙醇酸共聚物,其包含(a)80〜小于95摩尔%的乙醇酸单体单元,(b)5.0〜20.0摩尔%的非乙醇酸羟基羧酸单体单元,(c)0〜0.10摩尔% 摩尔的二甘醇酸单体单元,构成多个片段的非乙醇酸羟基单体单元(b),其各自独立地由至少一个单体单元(b)组成,其中链段的平均链长为1.00至1.50 以单体单元或单元(b)的平均数来说,组分(a),(b)和(c)的总和为100摩尔%,重均分子量为50,000的乙醇酸共聚物或 更多。

    Frame structure for backrest and method for manufacturing the same
    10.
    发明授权
    Frame structure for backrest and method for manufacturing the same 有权
    靠背框架结构及其制造方法

    公开(公告)号:US09487118B2

    公开(公告)日:2016-11-08

    申请号:US14232402

    申请日:2012-07-06

    IPC分类号: B60N2/68 B29C45/14

    CPC分类号: B60N2/68 B29C45/14786

    摘要: A backrest frame structure made of a resin and having a gate-shaped profile includes side frames extending in parallel to each other on both sides thereof and a transverse frame extending between top portion of the side frames integrally connected to the transverse frame, wherein a belt-shaped FRP sheet in which reinforcing fibers are unidirectionally-oriented is set as extending continuously or intermittently at least on the transverse frame between the side frames, and a matrix resin of the set FRP sheet and a resin constituting the transverse frame are integrally joined.

    摘要翻译: 由树脂制成并且具有门形轮廓的靠背框架结构包括在其两侧彼此平行延伸的侧框架和在与横向框架一体连接的侧框架的顶部之间延伸的横向框架,其中,带 将增强纤维单向取向的FRP片设置为至少在侧框架之间的横向框架上连续地或间歇地延伸,并且将所述FRP片材的基体树脂和构成横向框架的树脂整体接合。