本文目录一览:
- 1、pp材质是什么材料
- 2、pp材质是什么材料?
- 3、pp是什么材质
pp材质是什么材料
聚丙烯,一种塑料,它是一种高密度、无侧链、高结晶必的线性聚合物,具有优良的综合性能。常见制品:盆、桶、家具、薄膜、编织袋、瓶盖、汽车保险杠等。
pp塑料,化学名称:聚丙烯英文名称:Polypropylene(简称pp)比重:0.9-0.91克/立方厘米成型收缩率:1.0-2.5%成型温度:160-220℃PP为结晶型高聚物,PP的综合性能优于PE料。PP产品质轻、韧性好、耐化学性好。
PP的缺点:尺寸精度低、刚性不足、耐候性差,它具有后收缩现象,脱模后,易老化、变脆、易变形。日常生活中,常用的保鲜盒就是由PP材料制成。
pp材质耐热度
PP聚酯是一种非晶体,其熔点应该在220以上,其热变形温度应该121度左右,但是由于毕竟是大分子聚合物,温度越高起析出的小分析齐聚物的可能性就越大,而这些物质大都不利于人体健康,而且根据客户使用情况,一般沸水100度,所以一般的塑料杯都是不会标示超过100度的。
以上内容参考百度百科-pp材质
pp材质是什么材料?
就是聚丙烯,是丙烯通过加聚反应而成的聚合物。
PP材质即聚丙烯塑料,是一种高结晶、无侧链、高密度的线性聚合物。它的综合性能很不错,透明度要比聚乙烯好,重量也比聚乙烯轻,而且硬度还要比聚乙烯硬一些。PP材质无毒,使用后也对人体无害。化学性能稳定,PP材质所 *** 的东西基本不与酸碱物发生化学作用,性能稳定。
扩展资料:
由于我国聚丙烯的供需差距较大,近年来,大多数新的大型炼油、乙烯联产项目和煤烯烃项目都配备了聚丙烯装置,因此,未来中国聚丙烯产能将大幅增加。同时,还需要考虑那些小型的落后聚丙烯安装技术,尤其是间歇式小体法装置将被逐步淘汰,估计等到2025年聚丙烯在我国的生产能力将达到更高的水平。
参考资料来源:百度百科-聚丙烯
pp是什么材质
pp是热塑性合成树脂材质,学名为聚丙烯,属于一种无毒、无色、无臭的半透明固体物质,它的熔点为165度,在155度的环境下会逐渐软化,具有较强的耐热性、耐腐蚀性等特点,在工业中多用于汽车、医疗器械等方面。
pp的材质
1、材质
pp是热塑性合成树脂材质,是聚丙烯的简称,是一种无臭、无毒、无色且呈半透明的固体物质,属于白色蜡状材料。
2、特性
pp的熔点为165度,并且会在155度的温度下逐渐融化,它在80度的温度下能耐碱、酸、盐液等多种有机溶液的腐蚀,具有较好的耐高温、耐腐蚀性以及电绝缘性的特点。
3、用途
pp在工业生产中被广泛的应用,多用于工业零件、汽车、医疗器械、疏松管道等方面,而且pp较好的耐热性也被应用到食品、药瓶包装等地方,在日常生活中非常常见。
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