The invention discloses a life jacket with a pearl wool inner core and a preparation method of the inner core of the life jacket. The life jacket comprises an outer sleeve and an inner core playing arole of a floater, the inner core is arranged in an interlayer of the outer sleeve, and the inner core basically comprises the following components in percentage by weight: 80-85% of LDPE resin particles, 1.5-2.0% of a nucleating agent, 12.9-17% of a foaming agent and 0.6-1.0% of an anti-shrinking agent. The life jacket has the advantages that the inner core is good in cold-resistant and high-temperature-resistant effect and beneficial to environmental protection, after the inner core is soaked in water for 24 hours, the buoyancy loss of the inner core does not exceed 5%, and a good buoyancy state can be stably kept in water.

    本发明公开了一种带有珍珠棉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:80%~85%的LDPE树脂粒子、1.5%~2.0%的成核剂、12.9%~17%的发泡剂、0.6%~1.0%的抗收缩剂。本发明的优点在于本内芯抗寒耐高温效果好,有利于环境保护,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 pearl wool inner core and preparation method of inner core of life jacket


    Additional title:

    一种带有珍珠棉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:    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 / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen



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