The invention discloses a hard foam inner core life jacket and a preparation method of the inner core of the hard foam inner core life jacket. The hard foam inner core life jacket comprises an outer sleeve and an inner core playing a role of a floater, wherein the inner core is arranged in the interlayer of the outer sleeve, the formula of the inner core basically comprises the following components: 70-100 parts of low density polyethylene, 10-20 parts of a polyvinyl chloride resin, 8-10 parts of magnesium oxide, 15-20 parts of a foaming agent, 0.3-0.8 part of a cross-linking agent, 4-8 partsof zinc oxide, 2-3 parts of stearic acid, 0.2-0.4 part of an antioxidant, 0.3-0.6 part of an activating agent, 0.5-0.8 part of a plasticizer, 0.3-0.8 part of a cross-linking catalyst and 0.5-1 part ofan anti-aging agent. The inner core disclosed by the invention has the characteristics of good elasticity, strong toughness, good aging resistance, strong buoyancy and the like, can be used as a buffer cushion material, an absorptive material, a buoyancy material and the like required by various industries, and is low in density and hardness compared with similar products on the market, strong inbuoyancy, good in elasticity and suitable for being used on a life jacket.

    本发明公开了一种硬质泡沫内芯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:低密度聚乙烯70~100份,聚氯乙烯树脂10~20份、氧化镁8~10份,发泡剂15~20份,交联剂0.3~0.8份,氧化锌4~8份,硬脂酸2~3份,抗氧剂0.2~0.4份、活化剂0.3~0.6份、增塑剂0.5~0.8份、交联催化剂0.3~0.8份、防老剂0.5~1份。本发明的内芯具有弹性好、韧性强、耐老性好、浮力强等特性,可以作为各行业所需要的缓冲垫料、吸性材料及浮力材料等应用,使其在密度、硬度比市面上的同类产品更低,浮力更强,弹性更好,非常适合在救生衣上使用。


    Access

    Download


    Export, share and cite



    Title :

    Hard foam inner core life jacket, and preparation method of inner core of hard foam inner core life jacket


    Additional title:

    一种硬质泡沫内芯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



    Life jacket with flame-retardant inner core, and preparation method of inner core of life jacket

    BAO GUOPING / HUANG XI'AN | European Patent Office | 2020

    Free access

    Life jacket with high-toughness inner core and preparation method of inner core of life jacket

    BAO GUOPING / HUANG XI'AN | European Patent Office | 2020

    Free access

    Life jacket with antibacterial inner core and preparation method of inner core of life jacket

    BAO GUOPING / HUANG XI'AN | European Patent Office | 2020

    Free access

    Life jacket with quick-foaming inner core and preparation method of inner core of life jacket

    BAO GUOPING / HUANG XI'AN | European Patent Office | 2020

    Free access

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

    BAO GUOPING / HUANG XI'AN | European Patent Office | 2020

    Free access