Paper prepared from aldehyde modified cellulose pulp and the method of making the pulp
    2.
    发明授权
    Paper prepared from aldehyde modified cellulose pulp and the method of making the pulp 失效
    由醛改性纤维素纸浆制备的纸和制备纸浆的方法

    公开(公告)号:US06228126B1

    公开(公告)日:2001-05-08

    申请号:US09375939

    申请日:1999-08-17

    IPC分类号: D06L306

    摘要: Paper comprising aldehyde modified cellulose pulp having selected aldehyde content. Another embodiment involves a method of preparing celullose aldehydes using selective oxidation with a limited amount of oxidant and a nitroxyl radical mediator and defined reaction conditions to provide oxidized cellulose material with effective aldehyde content making it particularly suitable for use in making paper with desirable wet strength, temporary wet strength and dry strength properties.

    摘要翻译: 包含醛选择醛含量的醛改性纤维素纸浆的纸。 另一个实施方案涉及使用有限量的氧化剂和硝酰自由基介体选择性氧化制备纤维素醛的方法和限定的反应条件以提供具有有效醛含量的氧化纤维素材料,使其特别适用于制备具有所需湿强度的纸, 临时湿强度和干强度性能。

    Paper prepared from aldehyde modified cellulose pulp
    3.
    发明授权
    Paper prepared from aldehyde modified cellulose pulp 失效
    由醛改性纤维素纸浆制备的纸张

    公开(公告)号:US06562195B2

    公开(公告)日:2003-05-13

    申请号:US09754176

    申请日:2001-01-04

    IPC分类号: D21H1302

    摘要: Paper comprising aldehyde modified cellulose pulp having selected aldehyde content. Another embodiment involves a method of preparing celullose aldehydes using selective oxidation with a limited amount of oxidant and a nitroxyl radical mediator and defined reaction conditions to provide oxidized cellulose material with effective aldehyde content making it particularly suitable for use in making paper with desirable wet strength, temporary wet strength and dry strength properties.

    摘要翻译: 包含醛选择醛含量的醛改性纤维素纸浆的纸。 另一个实施方案涉及使用有限量的氧化剂和硝酰自由基介体选择性氧化制备纤维素醛的方法和限定的反应条件以提供具有有效醛含量的氧化纤维素材料,使其特别适用于制备具有所需湿强度的纸, 临时湿强度和干强度性能。

    Use of amide or imide co-catalysts for nitroxide mediated oxidation
    4.
    发明授权
    Use of amide or imide co-catalysts for nitroxide mediated oxidation 失效
    酰胺或酰亚胺助催化剂用于硝基氧介导的氧化

    公开(公告)号:US06540876B1

    公开(公告)日:2003-04-01

    申请号:US09575303

    申请日:2000-05-19

    IPC分类号: D21H1120

    CPC分类号: D21H11/20 C08B15/02 C08B31/18

    摘要: This invention pertains to the use of compounds containing amide or imide type functional groups to increase the rate of nitroxide mediated oxidation of alcohols, particularly primary and secondary alcohols. While suitable for oxidation of alcohol groups on a variety of substrates, it is particularly useful to oxidize cellulose, cellulose pulp or cellulose fiber such that it is commercially compatible with the traditional paper making process. Such co-catalysts may be used to increase the absolute amount of aldehyde groups on cellulose, cellulose pulp or cellulose fiber, thereby further increasing the inherent wet strength, temporary wet strength, and dry strength of paper made with such cellulose, cellulose pulp or cellulose fiber.

    摘要翻译: 本发明涉及使用含有酰胺或酰亚胺型官能团的化合物来提高醇,特别是伯醇和仲醇的氮氧化物介导的氧化速率。 氧化纤维素,纤维素纸浆或纤维素纤维时,它适用于各种基材上的醇基氧化,特别适用于与传统的造纸工艺相容。 这样的助催化剂可用于增加纤维素,纤维素纸浆或纤维素纤维上的醛基的绝对量,从而进一步提高用这种纤维素,纤维素纸浆或纤维素制成的纸的固有湿强度,临时湿强度和干强度 纤维。