ACLO PP ACCUTECH HP0335T40V
ACLO PP ACCUTECH HP0335T40V
++++++++++++++++++++++++++++++
ACLO PP ACCUTECH CP0405UVV
ACLO PP ACCUTECH CP0409HUUVV
ACLO PP ACCUTECH CP0435G20CV
ACLO PP ACCUTECH CP0435G20HV
ACLO PP ACCUTECH CP0435G43CV
ACLO PP ACCUTECH CP0436C10L
ACLO PP ACCUTECH CP0436C10L1
ACLO PP ACCUTECH CP0436C20L
ACLO PP ACCUTECH CP0436C20L1
ACLO PP ACCUTECH CP0436C30L
ACLO PP ACCUTECH CP0436C30L1
ACLO PP ACCUTECH CP0436C40L
ACLO PP ACCUTECH CP0436C40L1
ACLO PP ACCUTECH CP0436G10CL
ACLO PP ACCUTECH CP0436G10M20CL
ACLO PP ACCUTECH CP0436G15M15CL
ACLO PP ACCUTECH CP0436G20CL
ACLO PP ACCUTECH CP0436G20M10CL
ACLO PP ACCUTECH CP0436G25M5CL
ACLO PP ACCUTECH CP0436G30CL
ACLO PP ACCUTECH CP0436G40CL
ACLO PP ACCUTECH CP0436G5M25CL
ACLO PP ACCUTECH CP0436M10CL
ACLO PP ACCUTECH CP0436M20CL
ACLO PP ACCUTECH CP0436M30CL
ACLO PP ACCUTECH CP0436M40CL
ACLO PP ACCUTECH CP0436T10L
ACLO PP ACCUTECH CP0436T10L1
ACLO PP ACCUTECH CP0436T20L
ACLO PP ACCUTECH CP0436T20L1
ACLO PP ACCUTECH CP0436T30L
ACLO PP ACCUTECH CP0436T30L1
ACLO PP ACCUTECH CP0436T40L
ACLO PP ACCUTECH CP0436T40L1
ACLO PP ACCUTECH CP0436W10L
ACLO PP ACCUTECH CP0436W10L1
ACLO PP ACCUTECH CP0436W20L
ACLO PP ACCUTECH CP0436W20L1
ACLO PP ACCUTECH CP0436W30L
ACLO PP ACCUTECH CP0436W30L1
ACLO PP ACCUTECH CP0436W40L
ACLO PP ACCUTECH CP0436W40L1
ACLO PP ACCUTECH CP0437C10L
ACLO PP ACCUTECH CP0437C10L1
ACLO PP ACCUTECH CP0437C20L
ACLO PP ACCUTECH CP0437C20L1
ACLO PP ACCUTECH CP0437C30L
ACLO PP ACCUTECH CP0437C30L1
ACLO PP ACCUTECH CP0437C40L
ACLO PP ACCUTECH CP0437C40L1
ACLO PP ACCUTECH CP0437G10CL
ACLO PP ACCUTECH CP0437G10M20CL
ACLO PP ACCUTECH CP0437G15M15CL
ACLO PP ACCUTECH CP0437G20CL
ACLO PP ACCUTECH CP0437G20M10CL
ACLO PP ACCUTECH CP0437G25M5CL
ACLO PP ACCUTECH CP0437G30CL
ACLO PP ACCUTECH CP0437G40CL
ACLO PP ACCUTECH CP0437G5M25CL
ACLO PP ACCUTECH CP0437M10CL
ACLO PP ACCUTECH CP0437M10L
ACLO PP ACCUTECH CP0437M20CL
ACLO PP ACCUTECH CP0437M20L
ACLO PP ACCUTECH CP0437M30CL
ACLO PP ACCUTECH CP0437M30L
ACLO PP ACCUTECH CP0437M40CL
ACLO PP ACCUTECH CP0437M40L
ACLO PP ACCUTECH CP0437T10L
ACLO PP ACCUTECH CP0437T10L1
ACLO PP ACCUTECH CP0437T20L
ACLO PP ACCUTECH CP0437T20L1
ACLO PP ACCUTECH CP0437T30L
ACLO PP ACCUTECH CP0437T30L1
ACLO PP ACCUTECH CP0437T40L
ACLO PP ACCUTECH CP0437T40L1
ACLO PP ACCUTECH CP0437T40V
ACLO PP ACCUTECH CP0437W10L
ACLO PP ACCUTECH CP0437W10L1
ACLO PP ACCUTECH CP0437W20L
ACLO PP ACCUTECH CP0437W20L1
ACLO PP ACCUTECH CP0437W30L
ACLO PP ACCUTECH CP0437W30L1
ACLO PP ACCUTECH CP0437W40L
ACLO PP ACCUTECH CP0437W40L1
ACLO PP ACCUTECH HP0315V
ACLO PP ACCUTECH HP0334C10L
ACLO PP ACCUTECH HP0334C10L1
ACLO PP ACCUTECH HP0334C20L
ACLO PP ACCUTECH HP0334C20L1
ACLO PP ACCUTECH HP0334C30L
ACLO PP ACCUTECH HP0334C30L1
ACLO PP ACCUTECH HP0334C40L
ACLO PP ACCUTECH HP0334C40L1
ACLO PP ACCUTECH HP0334G10CL
ACLO PP ACCUTECH HP0334G10M20CL
ACLO PP ACCUTECH HP0334G15M15CL
ACLO PP ACCUTECH HP0334G20CL
ACLO PP ACCUTECH HP0334G20M10CL
ACLO PP ACCUTECH HP0334G25M5CL
ACLO PP ACCUTECH HP0334G30CL
ACLO PP ACCUTECH HP0334G40CL
ACLO PP ACCUTECH HP0334G5M25CL
ACLO PP ACCUTECH HP0334M10CL
ACLO PP ACCUTECH HP0334M20CL
ACLO PP ACCUTECH HP0334M30CL
ACLO PP ACCUTECH HP0334M40CL
ACLO PP ACCUTECH HP0334T10L
ACLO PP ACCUTECH HP0334T10L1
ACLO PP ACCUTECH HP0334T20L
ACLO PP ACCUTECH HP0334T20L1
ACLO PP ACCUTECH HP0334T30L
ACLO PP ACCUTECH HP0334T30L1
ACLO PP ACCUTECH HP0334T40L
ACLO PP ACCUTECH HP0334T40L1
ACLO PP ACCUTECH HP0334W10L
ACLO PP ACCUTECH HP0334W10L1
ACLO PP ACCUTECH HP0334W20L
ACLO PP ACCUTECH HP0334W20L1
ACLO PP ACCUTECH HP0334W30L
ACLO PP ACCUTECH HP0334W30L1
ACLO PP ACCUTECH HP0334W40L
ACLO PP ACCUTECH HP0334W40L1
ACLO PP ACCUTECH HP0335G30CV
ACLO PP ACCUTECH HP0335T40V
ACLO PP ACCUTECH HP0336C10L
ACLO PP ACCUTECH HP0336C10L1
ACLO PP ACCUTECH HP0336C20L
ACLO PP ACCUTECH HP0336C20L1
ACLO PP ACCUTECH HP0336C30L
ACLO PP ACCUTECH HP0336C30L1
ACLO PP ACCUTECH HP0336C40L
ACLO PP ACCUTECH HP0336C40L1
ACLO PP ACCUTECH HP0336G10CL
ACLO PP ACCUTECH HP0336G10M20CL
ACLO PP ACCUTECH HP0336G15M15CL
ACLO PP ACCUTECH HP0336G20C002L
ACLO PP ACCUTECH HP0336G20CL
ACLO PP ACCUTECH HP0336G20M10CL
ACLO PP ACCUTECH HP0336G25C002L
ACLO PP ACCUTECH HP0336G25M5CL
ACLO PP ACCUTECH HP0336G30CL
ACLO PP ACCUTECH HP0336G40CL
ACLO PP ACCUTECH HP0336G5M25CL
ACLO PP ACCUTECH HP0336M10CL
ACLO PP ACCUTECH HP0336M20CL
ACLO PP ACCUTECH HP0336M30CL
ACLO PP ACCUTECH HP0336M40CL
ACLO PP ACCUTECH HP0336T10L
ACLO PP ACCUTECH HP0336T10L1
ACLO PP ACCUTECH HP0336T20L
ACLO PP ACCUTECH HP0336T20L1
ACLO PP ACCUTECH HP0336T30L
ACLO PP ACCUTECH HP0336T30L1
ACLO PP ACCUTECH HP0336T40002L
ACLO PP ACCUTECH HP0336T40L
ACLO PP ACCUTECH HP0336T40L1
ACLO PP ACCUTECH HP0336W10L
ACLO PP ACCUTECH HP0336W10L1
ACLO PP ACCUTECH HP0336W20L
ACLO PP ACCUTECH HP0336W20L1
ACLO PP ACCUTECH HP0336W30L
ACLO PP ACCUTECH HP0336W30L1
ACLO PP ACCUTECH HP0336W40L
ACLO PP ACCUTECH HP0336W40L1
ACLO PP ACCUTECH HP0339C10L
ACLO PP ACCUTECH HP0339C10L1
ACLO PP ACCUTECH HP0339C20L
ACLO PP ACCUTECH HP0339C20L1
ACLO PP ACCUTECH HP0339C30L
ACLO PP ACCUTECH HP0339C30L1
ACLO PP ACCUTECH HP0339C40L
ACLO PP ACCUTECH HP0339C40L1
ACLO PP ACCUTECH HP0339G10CL
ACLO PP ACCUTECH HP0339G10M20CL
ACLO PP ACCUTECH HP0339G15M15CL
ACLO PP ACCUTECH HP0339G20CL
ACLO PP ACCUTECH HP0339G20M10CL
ACLO PP ACCUTECH HP0339G25M5CL
ACLO PP ACCUTECH HP0339G30CL
ACLO PP ACCUTECH HP0339G40CL
ACLO PP ACCUTECH HP0339G5M25CL
ACLO PP ACCUTECH HP0339M10CL
ACLO PP ACCUTECH HP0339M20CL
ACLO PP ACCUTECH HP0339M30CL
ACLO PP ACCUTECH HP0339M40CL
ACLO PP ACCUTECH HP0339T10L
ACLO PP ACCUTECH HP0339T10L1
ACLO PP ACCUTECH HP0339T20L
ACLO PP ACCUTECH HP0339T20L1
ACLO PP ACCUTECH HP0339T30L
ACLO PP ACCUTECH HP0339T30L1
ACLO PP ACCUTECH HP0339T40L
ACLO PP ACCUTECH HP0339T40L1
ACLO PP ACCUTECH HP0339W10L
ACLO PP ACCUTECH HP0339W10L1
ACLO PP ACCUTECH HP0339W20L
ACLO PP ACCUTECH HP0339W20L1
ACLO PP ACCUTECH HP0339W30L
ACLO PP ACCUTECH HP0339W30L1
ACLO PP ACCUTECH HP0339W40L
ACLO PP ACCUTECH HP0339W40L1
ACLO PP ACCUTECH HPA338G30M5C002L
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另外,由于均聚物型的PP温度高于0℃以上时非常脆,因此许多商业的PP材料是加入1-4%乙烯的无规则共聚物或更高比率乙烯含量的钳段式共聚物。共聚物型的PP材料有较低的热扭曲温度(100℃)、低透明度、低光泽度、低刚性,但是有更强的抗冲击强度。PP的强度随着乙烯含量的增加而增大。PP的维卡软化温度为150℃。由于结晶度较高,这种材料的表面刚度和抗划痕特性很好。PP不存在环境应力开裂问题。通常,采用加入玻璃纤维、金属添加剂或热塑橡胶的方法对PP进行改性。
PP的流动率MFR范围在1-40,低MFR的PP材料抗冲击特性较好但延展强度较低。对于相同MFR的材料,共聚物型的强度比均聚物型的要高。由于结晶,PP的收缩率相当高,一般为1.8-2.5%。并且收缩率的方向均匀性比PE-HD等材料要好得多。加入30%的玻璃添加剂可以使收缩率降到0.7%。均聚物型和共聚物型的PP材料都具有优良的抗吸湿性、抗酸碱腐蚀性、抗溶解性。然而,它对芳香烃(如苯)溶剂、氯化烃(四氯化碳)溶剂等没有抵抗力。PP也不象PE那样在高温下仍具有抗氧化性。
均聚PP聚丙烯具有韧性差、尺寸稳定性差和易老化等缺点,限制了其适用范围。而共聚聚丙烯,具有强度高、刚性大、耐热性能好、尺寸稳定性好、加工性能好以及低温韧性极佳的优点,因此可广泛用于生产周转箱、瓶子、油漆桶、大容器及重负荷包装等,也可用于生产管材、板材、电瓶壳等,还可用作其它高档聚丙烯专用料的基础料。
聚丙烯PP的介绍
PP(聚丙烯)有很多有用的性能,但还缺乏固有的韧性,特别是在低于其玻璃化温度的条件下。然而,通过添加冲击改性剂,可以提高其抗冲击性能。传统改良性为弹性体,通常为乙丙橡胶。普遍认为,遍布于半结晶态聚丙烯基体内的橡胶粒子,能在界面上形成许多应力集中点,防止局部形变,和断裂扩展。抗冲击改性剂一直是在共混时添加进去的,最近,弹性体组分的现场合成已经具有商业重要性。而且,正在宣传用一种新系列的冲击改性剂来代替乙丙橡胶,即Flexomer聚烯烃、Exact塑弹体和Insite聚合物。这些都是烯烃聚合物,它们填补了极低密度聚乙烯和传统乙丙弹性体之间的空白。
PP化学和性能:
等规PP(聚丙烯)均聚物,是在Ziegler-Natta催化剂体系催化下,由丙烯聚合而成的。乙丙橡胶组分在一系列反应器中合成的,或是预先购买,然后在挤压机内与PP均聚物共混。生成的抗冲击聚丙烯经粒化后出售。现场生产的抗冲击PP共聚物,可以通过选用合适的催化剂组成及反应器条件,来精确地控制其重要的性能。催化剂组成和反应器条件决定基体树脂的结晶度、橡胶组分的组成和数量及总体分子量分布。
抗冲击PP是最轻的热塑性塑料之一,其密度低于1,每磅产品的价格低于PET、PBT、高抗冲击聚苯乙烯和ABS。按比容计,抗冲击PP的单位体积成本低于上述那些树脂和聚氯乙烯(PVC)。仅有HDPE在这方面堪与匹敌。抗冲击型PP通常在适中的温度下加工,范围为350~550°F。抗冲击聚丙烯共聚物具有广谱的熔体流动速率,通常范围为从小于1到约30。具有最高熔体流动速率的树脂,通常是由熔体流动速率较低的材料“减粘裂化”制得。也就是对从反应器出来后的材料进行一步反应,降低平均分子量,从而制得熔体流速更高的产品。抗冲击聚丙烯共聚物对化学品和环境应力断裂有很高的抵抗力。经处理后,材料可具备优良的悬臂梁式冲击强度和较低的加纳尔冲击性能。悬臂梁式冲击强度范围在0.5到大于15英尺.磅/英寸;在-40°F下,加纳尔冲击强度范围为15到300英寸.磅以上。
橡胶组分为聚丙烯提供了冲击强度,却使抗冲击聚丙烯相对于均聚物而言,降低了刚度和热变形温度。加填料的抗冲击聚丙烯共聚物能够忍受更高的温度而不变形。填料一般为玻璃纤维。云母、滑石和碳酸钙。这些聚合物的最终用户应该知道对每一种规格的产品,在不同的熔化强度、熔体流速、刚度和热变形温度之间需作出权衡。
PP用途:
抗冲击聚丙烯的主要商业用途是用在汽车、家用品、器具中的注塑件。它的抗冲击能力、低密度、着色能力和加工性能使它成为理想的材料。具有较高熔体流速的中等抗冲击树脂品级有较高的流动性能,这个特点在注塑大型部件如:汽车面板时特别有用。
高抗冲击能力具有较低熔体流速的树脂(一般小于2),可以转化成抗穿刺性极好的薄膜,这种薄膜的抗冲击能力和耐蒸汽杀菌能力,适合做一次性医疗废品袋。挤压片材可以用热成型法加工成大而厚的部件,如:汽车工业中的护板和汽车车尾行李箱衬里。弹性体组分改良聚丙烯抗冲击性能的机理,在材料受冲击时,可诱导应力白化。大多数用途是以弹性组分在聚丙烯基体中的分散度为基础的。基于与此相反的概念,正在开发新型的保险杠。其结果是形成了一个分子复合结构。
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