PP Ferro LPP20BN47HB

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PP塑料概念
比重：
　　0.9-0.91克/立方厘米
成型收缩率：
　　⒈0-2.5%
成型温度
　　160-220℃
干燥条件
　　物料性能 密度小，强度刚度，硬度耐热性均优于低压聚乙烯，可在100度左右使用.具有良好的电性能和高频绝缘性不受湿度影响，但低温时变脆，不耐磨易老化. 适于制作一般机械零件，耐腐蚀零件和绝缘零件
成型性能
　　⒈结晶料，吸湿性小，易发生融体破裂，长期与热金属接触易分解.
　　⒉流动性好，但收缩范围及收缩值大，易发生缩孔.凹痕，变形.
　　⒊冷却速度快，浇注系统及冷却系统应缓慢散热，并注意控制成型温度.料温低方向方向性明显.低温高压时尤其明显，模具温度低于50度时，塑件不光滑，易产生熔接不良，留痕，90度以上易发生翘曲变形
　　⒋塑料壁厚须均匀，避免缺胶，尖角，以防应力集中.
　　特定条件下容易分解
　　常见制品：盆、桶、家具、薄膜、编织袋、瓶盖、汽车保险杠等。
　　聚丙烯也包括丙烯与少量乙烯的共聚物在内。PP粒料为本色、圆柱状颗粒，颗粒光洁，粒子的尺寸在任意方向上为2mm～5mm，无臭无毒，无机械杂质。该品以高纯度丙烯为主要原料，乙烯为共聚单体，采用高活性催化剂在62℃～80℃及低于4.0MPa的压力下经气相反应生产聚丙烯粉料，再经干燥、混炼、挤压、造粒、筛分、均化成聚丙烯颗粒。密度为0.90 g/cm3～0.91g/cm3，是通用塑料中最轻的一种。聚丙烯树脂具有优良的机械性能和耐热性能，使用温度范围-30℃～140℃。同时具有优良的电绝缘性能和化学稳定性，几乎不吸水，与绝大多数化学品接触不发生作用。该品耐腐蚀，抗张强度30MPa，强度、刚性和透明性都比聚乙烯好；缺点是耐低温冲击性差，较易老化，但可分别通过改性和添加抗氧剂予以克服。与发烟硫酸、发烟硝酸、铬酸溶液、卤素、苯、四氯化碳、氯仿等接触有腐蚀作用。可用作工程塑料，适用于制电视机、收音机外壳、电器绝缘材料、防腐管道、板材、贮槽等，也用于生产扁丝、纤维、包装薄膜等。 



PP(聚丙烯#百折胶|软胶)/PP-GF30-X283 P10/3x/泰科纳 
用途： 其它 
特性备注：长玻璃纤维, 30% 填料按重量、低翘曲性、高刚性、高强度、化学耦合、良好的抗蠕变性、耐低温撞击 
重要参数： 密度:1.13 g/cm3 缺口冲击强度:22 拉伸强度:85 MPa 断裂伸长率:2.5 % 弯曲强度:130 MPa 弯曲模量:5800 MPa 
PP(聚丙烯#百折胶|软胶)/PP-GF30-04CN02/10/泰科纳 
用途： 其它 
特性备注：长玻璃纤维, 30% 填料按重量、 低翘曲性、高刚性、高强度、化学耦合、良好的抗撞击性、良好的抗蠕变性、耐低温撞击 
重要参数： 密度:1.13 g/cm3 缺口冲击强度:14 拉伸强度:95 MPa 断裂伸长率:2.2 % 弯曲强度:150 MPa 弯曲模量:6500 MPa 热变形温度:157 ℃ 
PP(聚丙烯#百折胶|软胶)/PP-GF30-05CN01/10/泰科纳 
用途： 其它 
特性备注：长玻璃纤维, 30% 填料按重量、 低翘曲性、高刚性、高强度、化学耦合、良好的抗撞击性、良好的抗蠕变性、耐低温撞击 
重要参数： 密度:1.13 g/cm3 缺口冲击强度:22 拉伸强度:85 MPa 断裂伸长率:2.5 % 弯曲强度:150 MPa 弯曲模量:6500 MPa 热变形温度:156 ℃ 
PP(聚丙烯#百折胶|软胶)/PP-GF45-04CN11/10/泰科纳 
用途： 其它 
特性备注：长玻璃纤维, 45% 填料按重量、低翘曲性、高刚性、高强度、化学耦合、良好的抗撞击性、良好的抗蠕变性、耐低温撞击 
重要参数： 密度:1.28 g/cm3 缺口冲击强度:15 拉伸强度:115 MPa 断裂伸长率:1.8 % 弯曲强度:180 MPa 弯曲模量:9500 MPa 热变形温度:157 ℃ 



PP是所有合成树脂中密度最小的仅为0.90-0.91g/cm3，是PVC密度的60%左右。这意味着用同样重量的原料可以生产出数量更多同体积的产品。PP力学性能 的拉伸强度和刚性都比较好，但冲击强度较差，特别是低温时耐冲击性差。此外如果制品成型时存在取向或
应力，冲击强度也会显著降低。虽然抗冲击强度差，但经过填充或增强等改性后，其机械性能在许多领域可与成本较高的工程塑料相竞争。PP 的表面硬度在五类通用塑料中属低等，仅比PE 好一些。当结晶度较高时，硬度也相应增加一些，但仍不及PVC、PS、ABS 等。热性质在五大通用塑料中，PP 的耐热性是最好的。700PP 塑料制品可在100℃下长时间工作，在无外力作用时，PP制品被加热
至150℃时也不会变形。在使用成核剂改善PP 的结晶状态后，其耐热性还可进一步提高，甚至可以用于制作在微波炉中加热食品的器皿。




PP在光和热的作用下极易断裂降解。未加稳定剂的PP 在150℃下被加热半小时以上，或在阳光充足的地方曝晒12天就会明显变脆。未加稳定剂的PP粉料在室内避光放置4个月也会严重降解，散发出明显的酸味。在P粉料造粒之前加入0.2%以上的抗氧剂可以有效地防止PP 在加工和使用过程中的降解老化。抗氧剂分为游离基链反应终止剂也称主抗氧剂和过氧化物分解剂也称辅抗氧剂两大类，主、辅两类抗氧剂的合理配合，将会发挥良好的协同效果。PP在离开口模后，如果是在空气中缓慢冷却，就会生成较大的晶粒，制品透明度低。果是在水中急冷如下吹水冷法制薄膜，PP的分子运动被急速冷冻，不能生成晶体，此时的薄膜就是完全透明的。PP的成型收缩率是比较大的，达到2%以上，远远大于ABS塑料0.5%。






PP属于结晶型聚合物，不到一定温度其颗粒不会熔融，不像PE或PVC那样在加热过程中随着温度提高而软化。一旦达到某一温度，PP颗粒迅速融化，在几度范围内就可全部转化为熔融状态。PP的熔体粘度比较低，因此成型加工流动性良好，特别是当熔体流动速率较高时熔体粘度更小，适合于大型薄壁制品注塑成型，例如洗衣机内桶。PP属于非极性聚合物，具有良好的电绝缘性，且PP吸水性极低，电绝缘性不会受到湿度的影响。PP的介电常数、介质损耗因数都很小，不受频率及温度的影响。PP的介电强度很高，且随温度上升而增大。这些都是在湿、热环境下对电气绝缘材料有利的。另一方面PP的表面电阻很高，在一些场合使用必须先进行抗静电处理。PP是高结晶塑料，它在熔点的附近时，它的液态和固态的体积相差很大，加上它收缩时的各向异性，因此易引起不均衡收缩即缩水；因此，设计制品时，尽量避免壁厚不均匀；聚丙烯的熔体粘度小，流动性好，流长比流动长度与厚度的比值大，薄壁制品可能也能注满；但同时，它的模具制作时，精度要高，否则会批峰；因它的各向异性，制品经常是变形。收缩率为18‰；溢边值为0.03mm。聚丙烯不吸水，一般不需烘干，有时为了产品质量，也可以用60℃的温度，烘干30分钟至1个小时，以排出原料中的浮水。







聚丙烯(PP塑料)是继尼龙之后发展的又一优良树脂品种，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。未着色时呈白色半透明，蜡状；比聚乙烯轻。透明度也较聚乙烯好，比聚乙烯刚硬。
  

2、聚丙烯(PP塑料)特性  
 PP 聚丙烯化学和物理特性 PP是一种半结晶性材料。它比PE要更坚硬并且有更高的熔点。 由于均聚物型的PP温度高于0C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（100C）、低透明度、低光泽度、低刚性，但是有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150C。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。
   

3、聚丙烯(PP塑料)成型性能
（1）结晶料，吸湿性小，易发生融体破裂，长期与热金属接触易分解.
（2）流动性好，但收缩范围及收缩值大，易发生缩孔.凹痕，变形.
（3）冷却速度快，浇注系统及冷却系统应缓慢散热，并注意控制成型温度.料温低方向方向性明显.低温高压时尤其明显，模具温度低于50度时，塑件不光滑，易产生熔接不良，留痕，90度以上易发生翘曲变形 
（4）塑料壁厚须均匀，避免缺胶，尖角，以防应力集中. 


特定条件下容易分解
常见制品：盆、桶、家具、薄膜、编织袋、瓶盖、汽车保险杠等。
聚丙烯也包括丙烯与少量乙烯的共聚物在内。PP粒料为本色、圆柱状颗粒，颗粒光洁，粒子的尺寸在任意方向上为2mm～5mm，无臭无毒，无机械杂质。该品以高纯度丙烯为主要原料，乙烯为共聚单体，采用高活性催化剂在62℃～80℃及低于4.0MPa的压力下经气相反应生产聚丙烯粉料，再经干燥、混炼、挤压、造粒、筛分、均化成聚丙烯颗粒。密度为0.90 g/cm3～0.91g/cm3，是通用塑料中最轻的一种。聚丙烯树脂具有优良的机械性能和耐热性能，使用温度范围-30℃～140℃。同时具有优良的电绝缘性能和化学稳定性，几乎不吸水，与绝大多数化学品接触不发生作用。该品耐腐蚀，抗张强度30MPa，强度、刚性和透明性都比聚乙烯好；缺点是耐低温冲击性差，较易老化，但可分别通过改性和添加抗氧剂予以克服。与发烟硫酸、发烟硝酸、铬酸溶液、卤素、苯、四氯化碳、氯仿等接触有腐蚀作用。可用作工程塑料，适用于制电视机、收音机外壳、电器绝缘材料、防腐管道、板材、贮槽等，也用于生产扁丝、纤维、包装薄膜等