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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 2. Отображено 2.
17-07-2013 дата публикации

High performance alkali swelling thickener and preparation method thereof

Номер: CN103204968A
Автор: Wang Jun, Lin Yuehua, Nie Jianhua
Принадлежит:

The invention discloses a high performance alkali swelling thickener which is characterized by comprising the components in parts by weight as follows: 1000-1010 parts of mixed acrylate monomer, 5-60 parts of emulsifier, 1-50 parts of initiator, 10-150 parts of protective colloid and 1600-1900 parts of deionized water. The mixed acrylate monomer is a mixture of soft monomer, a hard monomer and a crosslinking functional monomer. The invention further discloses a preparation method of the high performance alkali swelling thickener. The high performance alkali swelling thickener provided by the invention has the advantages of high swelling performance, high viscosity and high transparency, and is high temperature and low temperature resisting. The thickener is not only suitable for daily cosmetic and home nursing products and bonders, but also suitable for the field of well drilling in oil fields.

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Номер записи: 1
22-05-2013 дата публикации

Sliding-compact-type pipe fitting for aluminum-plastic pipe

Номер: CN103115205A
Автор: Lin Yuehua, Pan Xiangzhi, Huang Xiaofeng, Zhou Li, Ai Jinhui, Liu Rui
Принадлежит:

The invention relates to a connection pipe structure of an aluminum-plastic pipe, in particular to a sliding-compact-type pipe fitting for an aluminum-plastic pipe. The sliding-compact-type pipe fitting for the aluminum-plastic pipe comprises a pipe fitting body provided with at least an end inner support and a sliding-tight clamping sleeve which is in a ring-shaped structure and matched with the pipe inner support, wherein more than two protruding ribs are arranged on the external diameter of the pipe inner support. A ring-shaped structure matched with the pipe inner support is sleeved in a sliding-compact and clamping mode. At, a ring-shaped sealing ring is arranged on the external diameter of the pipe inner support of the pipe fitting main body and located among the protruding ribs. A chamfer is arranged in an end port of the inner diameter of one end where the sliding-tight clamping sleeve slides in. The sliding-tight clamping sleeve is arranged and then fixed on a cold expansion port ...

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Номер записи: 2