The invention discloses a life jacket with a TPU foaming inner core, and a preparation method thereof. The life jacket comprises an outer sleeve and an inner core playing a role of a floater, whereinthe inner core is arranged in the interlayer of the outer sleeve; the formula of the inner core basically comprises 45-55 parts of TPU, 10-12 parts of calcium carbonate, 2-4 parts of soap powder, 3-5parts of glass fibers, 3-5 parts of a foaming agent, 22-25 parts of a light inorganic filler, 1-3 parts of a dispersing agent, 0.5-0.8 part of a foam stabilizer, 0.9-1.4 parts of a flame retardant and40-45 parts of water. The inner core has the advantages that after the inner core is immersed in water for 24 hours, the buoyancy loss does not exceed 5%, and the good buoyancy state can be stably kept in water.

    本发明公开了一种带有TPU发泡内芯的救生衣及其内芯的制备方法,包括有外套和起浮子作用的内芯,所述内芯置于外套的夹层中,该内芯的配方基本组成为:TPU 45~55份、碳酸钙10~12份、肥皂粉2~4份、玻璃纤维3~5份、发泡剂3~5份、轻质无机填充料22~25份、分散剂1~3份、泡沫稳定剂0.5~0.8份、阻燃剂0.9~1.4份、水40~45份。本发明的优点在于本内芯在水中浸24小时后,其浮力损失不超过5%,在水中能稳定地保持良好的浮力状态。


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    Title :

    Life jacket with TPU foaming inner core, and preparation method of inner core of life jacket


    Additional title:

    一种带有TPU发泡内芯的救生衣及其内芯的制备方法


    Contributors:
    BAO GUOPING (author) / HUANG XI'AN (author)

    Publication date :

    2020-04-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B63C LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS , Zuwasserlassen, Trockenstellen, Docken oder Bergen von Schiffen / C08J Verarbeitung , WORKING-UP / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS



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