The invention discloses a life jacket with a polyvinyl chloride foamed inner core, and a preparation method of the inner core of the life jacket. The life jacket comprises an outer sleeve and an innercore playing a role of a floater, wherein the inner core is arranged in the interlayer of the outer sleeve, and is made of a foam material formed by foaming a nitrile butadiene rubber and polyvinyl chloride serving as main raw materials, and the formula of the inner core basically comprises the following components in percentage by weight: 10-25% of a nitrile butadiene rubber, 0.1-0.3% of a vulcanizing agent, 0.2-0.3% of a metallic soap lubricant, 6-12% of a plasticizer, 10-20% of a foaming agent, 0.5-1% of a stearate stabilizer and the balance of a polyvinyl chloride resin. According to theinvention, after the inner core is immersed in water for 24 hours, the buoyancy loss does not exceed 5%, so that a good buoyancy state can be stably kept in water; the inner core material is soft in hand feeling, good in fitness when worn on a human body, and convenient for the human body to bend down, squat or do various activities; and the life jacket has characteristics of light weight and convenient carrying.
本发明公开了一种带有聚氯乙烯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,所述内芯采用丁腈橡胶和聚氯乙烯为主要原料经发泡而成的泡沫材料,该内芯的配方基本组成为:丁腈橡胶为10~25%,硫化剂为0.1~0.3%,金属皂类润滑剂为0.2~0.3%,增塑剂为6~12%,发泡剂为10~20%,硬脂酸盐稳定剂为0.5~1%,余量为聚氯乙烯树脂。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;内芯材料手感柔软,穿在人身上不仅贴合性好,而且便于人体弯腰、下蹲或进行各种活动;重量轻、携带方便。
Life jacket with polyvinyl chloride foamed inner core, and preparation method of inner core of life jacket
一种带有聚氯乙烯发泡内芯的救生衣及其内芯的制备方法
2020-04-28
Patent
Electronic Resource
Chinese
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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