Self-cross-linked alkyl cellulose
    6.
    发明授权
    Self-cross-linked alkyl cellulose 失效
    自交联烷基纤维素

    公开(公告)号:US07208593B2

    公开(公告)日:2007-04-24

    申请号:US11062565

    申请日:2005-02-23

    IPC分类号: C08B37/00

    摘要: A process for producing a self-cross-linking alkyl cellulose derivative, which includes irradiating, with radioactive rays, a mixture of a starting alkyl cellulose derivative (the number of carbon atoms of the alkyl group is 1 through 3, the alkyl group may be substituted by a hydroxyl group or a carboxyl group, and the carboxyl group may form a salt) (100 parts by weight) and water (5–2,000 parts by weight), and thus obtained self-cross-linking alkyl cellulose derivative has an improved biodegradability and excellent water-absorbability.

    摘要翻译: 一种自交联烷基纤维素衍生物的制造方法,其包括用放射线照射原料烷基纤维素衍生物的混合物(烷基的碳原子数为1〜3,烷基可以为 被羟基或羧基取代,羧基可以形成盐)(100重量份)和水(5-2,000重量份),因此得到的自交联烷基纤维素衍生物具有改进的 生物降解性和吸水性优异。

    Self-cross-linked alkyl cellulose
    7.
    发明申请
    Self-cross-linked alkyl cellulose 失效
    自交联烷基纤维素

    公开(公告)号:US20050148767A1

    公开(公告)日:2005-07-07

    申请号:US11062565

    申请日:2005-02-23

    摘要: A process for producing a self-cross-linking alkyl cellulose derivative, which includes irradiating, with radioactive rays, a mixture of a starting alkyl cellulose derivative (the number of carbon atoms of the alkyl group is 1 through 3, the alkyl group may be substituted by a hydroxyl group or a carboxyl group, and the carboxyl group may form a salt) (100 parts by weight) and water (5-2,000 parts by weight), and thus obtained self-cross-linking alkyl cellulose derivative has an improved biodegradability and excellent water-absorbability.

    摘要翻译: 一种自交联烷基纤维素衍生物的制造方法,其包括用放射线照射原料烷基纤维素衍生物的混合物(烷基的碳原子数为1〜3,烷基可以为 被羟基或羧基取代,羧基可以形成盐)(100重量份)和水(5-2,000重量份),因此得到的自交联烷基纤维素衍生物具有改进的 生物降解性和吸水性优异。

    Process for producing grosslinked starch derivatives and crosslinked starch derivatives produced by the same
    9.
    发明授权
    Process for producing grosslinked starch derivatives and crosslinked starch derivatives produced by the same 失效
    制备交联淀粉衍生物的方法和由其制备的交联淀粉衍生物

    公开(公告)号:US06617448B2

    公开(公告)日:2003-09-09

    申请号:US09861666

    申请日:2001-05-22

    IPC分类号: C08B3100

    CPC分类号: C08B31/006

    摘要: A paste of starch derivative is crosslinked by irradiation with &ggr;-rays or electron beams in a dose of 0.1-200 kGy. Two different levels of crosslinking are performed; the first is mild crosslinking by irradiation at a low dose of 0.1-1.0 kGy to such an extent that the viscosity of the overall system increases upon immersion in water, and the second is intensive crosslinking by irradiation at a higher dose than 1.0 kGy to produce a gel that is completely insoluble in water.

    摘要翻译: 淀粉衍生物的糊剂通过以0.1-200kGy的剂量的γ射线或电子束照射而交联。 进行两个不同程度的交联; 第一种是以0.1-1.0kGy的低剂量照射进行轻度交联,使得整个系统的粘度在浸入水中时增加,第二种是以比1.0kGy更高剂量的照射进行强烈的交联以产生 一种完全不溶于水的凝胶。