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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Применить Всего найдено 3. Отображено 3.
31-10-2012 дата публикации

Vitamin E viscose fiber and preparation method thereof

Номер: CN102758267A
Автор: Pang Fengjian, Cao Qigui, Liu Jianhua, Li Lin, Jiang Mingliang, Wu Yahong, Qin Cuimei, Ma Fenggang, Wang Dong
Принадлежит:

The invention relates to a vitamin E viscose fiber with fineness of 1.11-2.67dtex, dry breaking strength of 2.3-2.56CN/dtex, wet breaking strength of 1.8-2.2CN/dtex, dry breaking elongation of 19-22.9%, and vitamin E content of 0.23-7.15%. According to the invention, vitamin E microcapsules and dissolved glue are blended in a dissolving machine; the blended material is de-foamed and cured, and is molded by wet spinning; obtained filaments are subjected to extending, oiling, bleaching, and cutting processes, such that finished product fiber is obtained. No formaldehyde is adopted. No toxicity, volatility, or pollution is caused in a production process. The production process is green and environment-friendly. Vitamin E is positioned inside the fiber. When the vitamin E in the fiber is stressed, vitamin E is slowly released. The fiber has good wash durability. The vitamin E fiber has an advantage of softness like that of regenerated cellulose fiber. A textile product manufactured by using ...

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Номер записи: 1
19-10-2011 дата публикации

Corncob bark pulp for chemical fiber and preparation method thereof

Номер: CN102220719A
Автор: Cao Qigui, Liu Jianhua, Jiang Mingliang, Hao Lianqing, Qin Cuimei, Wang Dong, Lu Haijiao
Принадлежит:

The invention relates to corncob bark pulp for chemical fiber, which is prepared and formed from corncob bark by the working procedures of pretreatment, stewing, washing, pulping, pre-selection desanding, concentration, chlorine alkalization, bleaching, acid treatment, scouring, post-selection desanding, concentration and paper manufacturing with pulp; in the corncob bark pulp, the content of alpha-cellulose is larger than or equal to 90%, the content of ash content is smaller than or equal to 0.10%, and the content of iron content is smaller than or equal to 25 mg/kg; the stewing is performed by using sulfate process, and the stewing condition manner and bleaching conditions are improved; and the quality indicator of the corncob bark pulp obtained through the method is more prior to that of the pulp for the conventional viscose staple fiber, and the pulp yield is high. The invention achieves the purpose of producing the pulp for viscose fiber by using agricultural waste of the corncob ...

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Номер записи: 2
31-10-2012 дата публикации

Preparation method of vitamin E fiber

Номер: CN102758266A
Автор: Pang Fengjian, Cao Qigui, Liu Jianhua, Li Lin, Jiang Mingliang, Qin Cuimei, Ma Fenggang, Lu Haijiao
Принадлежит:

The invention relates to a preparation method of a vitamin E fiber. According to the invention, a spinning liquid is prepared by using cellulose and a solvent; vitamin E microcapsules are dissolved in the spinning liquid; the mixture is mixed and de-foamed, such that a spinning stock solution is obtained; the spinning stock solution is jet in air, such that filaments are obtained; the filaments are immersed in a spinning bath; with extending, oiling, bleaching, and cutting processes, the finished product vitamin E fiber is obtained. According to the invention, the vitamin E fiber is prepared by using a solvent method. No formaldehyde is adopted. No toxicity, volatility, or pollution is caused in a production process. The waste is easy to recycle. The production process is green and environment-friendly. When observed with eyes, the vitamin E fiber has good luster. When touched with hands, the vitamin E fiber has an advantage of softness like that of solvent-spun cellulose fiber. A textile ...

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Номер записи: 3