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27-08-2021 дата публикации

Prefabricated directly-buried thermal insulation pipe convenient to mount quickly

Номер: CN214064115U
Автор: TIAN HAISHENG, WANG HENGGANG, WANG HENGCHAO, 田海生, 王恒纲, 王恒朝
Принадлежит: TIANJIN YUGANG HEAT INSULATION BUILDING MAT CO LTD, TIANJIN YUGANG HEAT INSULATION BUILDING MATERIALS CO., LTD., 天津市宇刚保温建材有限公司

The utility model discloses a prefabricated direct burial thermal insulation pipe convenient to quickly install, which comprises a direct burial thermal insulation pipe body, installation pipe orifices are installed at the two ends inside the direct burial thermal insulation pipe body, a thermal insulation layer is installed on the outer side of the direct burial thermal insulation pipe body, and quick installation connecting pieces are installed inside the installation pipe orifices. An inner positioning sleeve is installed at one end of the quick installation connecting piece, a telescopic rod is installed at the other end of the interior of the inner positioning sleeve, and an outer positioning sleeve is installed at the other end of the telescopic rod. According to the utility model, the rapid installation connecting pieces are arranged at the positions of the installation pipe orifices, the conventional directly-buried thermal insulation pipe is erected by a supporting seat, and then ...

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Номер записи: 1
22-08-2023 дата публикации

Anti-aging rubber-plastic composite material and preparation method thereof

Номер: CN116622132A
Автор: CHEN LIHUA, FAN SHAOJUN, TIAN HAISHENG, LIN JINHUI
Принадлежит:

The invention discloses an anti-aging rubber-plastic composite material and a preparation method thereof, and relates to the technical field of rubber materials, and the anti-aging rubber-plastic composite material is prepared from the following raw materials in parts by weight: 90-120 parts of natural rubber, 80-110 parts of chlorinated polyethylene, 20-35 parts of raw ethylene propylene diene monomer rubber, 4-8 parts of nano titanium dioxide, 3-5 parts of carbon fibers and 4-6 parts of nano bismuth powder. Natural rubber and chlorinated polyethylene are used as main materials, so that the material is endowed with cold resistance and aging resistance; the butyl rubber and the epoxy resin are added to improve the compatibility of the system, and the components are synergistically reinforced, so that the material has relatively strong mechanical strength, temperature resistance, weather resistance, corrosion resistance and aging resistance; by adding the silane coupling agent Si-69, the ...

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Номер записи: 2