冲击强度

提高嵌段共聚PP冲击强度的措施探讨

Measures for improving impact strength of block copolymer of propylene

在尼龙6中加入改性PP后，冲击强度得到提高，吸湿性大大降低。

With the addition of modified-PP in nylon 6 , the impact strength increases .

结果表明，对共混体系缺口冲击强度影响较大的为体系中PC的含量。

The results showed that the using amount of PC had a great effect on the notched impact strength .

当HDPE含量较高时，PP只能生成尺寸较小的结晶碎片（细化），与此形态对应，可获得高冲击强度的PP/HDPE共混物。

When the content of HDPE was high , PP only formed small crystalline lamellae .

但其冲击强度较小，拉伸强度偏低，并且成型收缩率较大，这就大大限制了PP的应用。

However , it has limited impact strength and large mold shrinkage , which greatly limit its application .

加入2%的抗冲改性剂可以提高玻璃纤维增强ABS复合材料的冲击强度。

Adding 2 % anti-impact modifier can strengthen the impact stress of GF / ABS composite reinforced .

无缺口冲击强度随CF含量的增大，先减小后增大。

With increase of contend of CF , impulse strength increased first and then decreased .

质量跟踪结果表明，HIPS落锤冲击强度明显改善。

The results of quality control show the falling dart of HIPS improve remarkable .

有碳纤维布侧向约束下的RPC冲击强度和弹性模量得到大大提高。

The plain RPC with lateral restriction has higher dynamic compressive strength and elastic module .

结果表明，FU的加入可明显改善PP低温脆性，提高冲击强度。

The results showed that the low temperature brittleness and impact strength of PP were improved observably by blend with FU .

研究了温度对聚氯乙烯PVC缺口冲击强度、断口形貌特征及断面粗糙度的影响。

The effects of testing temperature on notch impact strength , fractographic fea-tures and fracture surface roughness of PVC have been studied .

实验结果显示，纳米SiO2的加入使固化产物的冲击强度得到了提高，但耐热性略有降低。

The result showed that , adding nano-silica increased the impact strength but slightly decreased the heat-resistance .

对马来酸酐接枝炭黑进行了结构表征和应用，结果表明：接枝炭黑使PVC分散性更好，并可显著提高抗冲击强度和拉伸强度。

The results showed that the grafted carbon black had better dispersion in PVC , the impact strength and tensile strength increased obviously .

含有成核剂C的POM具有较高的缺口冲击强度，使POM的缺口敏感性下降，因而可扩大POM的应用领域。

POM with nucleator C has good impact resistance and improved notch sensitivity , having a wide application field .

ABS具有极高的光泽度，优良的流动性以及均匀的颜色，并能提供中等至较高冲击强度的各种品级。

ABS has superior gloss consistent color base whiteness with excellent flow and offers a range of medium to high impact grades .

适当的碱处理会提高SPI塑料的拉伸和冲击强度。

The appropriate alkali treatment will improve the tensile and impact strength properties of SPI plastics .

而随着PPg（GMAcoSt）含量的增加，冲击强度也有明显提高。

The notched Izod impact strength increased obviously with the increase of PP-g - ( GMA-co-St ) content .

研究发现热处理不但可以提高PET/POE一g一MAH复合体系的拉伸强度，还可以显著提高复合体系的冲击强度。

The heat treatment can remarkably increase not only the tensile strength but also notched impact strength of PET / POE-g-MA blends .

与单-NA-21增透PP相比，复配成核荆增透PP的冲击强度与拉伸强度都有明显提高。

Compared with transparent PP by single NA-21 , the tensile strength and impact strength of transparent PP by composite nucleating agent were obviously increased .

研究了An在共单体中的比率对接枝共聚合反应行为及AES的缺口冲击强度的影响。

The effects of An ratio in co-monomer on graft copolymerization reaction behavior and AES notched impact strength were investigated .

冲击强度50kg·cm；

Impact strength 50 kg · cm ;

用冲击强度测定渗碳钢的S-N曲线及突发性断裂强度

Determination of S-N Curves and Instant Fracture Strength of Cemented Steel by Impact Strength

本文研究了刚性粒子PS添加量、基体韧性、加工温度对PVC冲击强度的影响。

The study was made on the effects of the contents of rigid PS particles , the toughness of PVC and processing temperature on PVC impact strength .

随着AE用量的增加，固化物冲击强度和弯曲强度都逐渐提高，热变形温度却逐渐减小。

As adding the content of AE , flexural strength and impact strength of cured resin increase gradually , but HDT decreases .

在PVC/CPE（100/10）中加入少量PE可使抗冲击强度大大提高。

Addition of a small amount of PE in PVC / CPE ( 100 / 12 ) makes a very impressive improvement , in the impact strength of the mixture .

结果表明：POE使PP冲击强度增加，拉伸强度下降。

The results showed that , the impact intensity increases and the tensile strength decreases in PP / POE blends with the increase of POE .

当填充量为质量分数5%时，用TiO2改性的冲击强度可提高到普通酚醛树脂冲击强度的231%；

When the filler content of TiO 2 was about 5 % by mass fraction , the impact strength of the modified resin would be 231 % ;

结果表明随着SBS、SBS-g-MAH的含量的增加，体系的冲击强度提高。

The impact strength of the blends increased with the amount of SBS or SBS-g-MAH .

实验表明：随着HA的掺量增加，环氧结构胶的压缩强度、冲击强度、粘钢剪切强度提高、拉伸强度略有降低；

Results showed that when hydroxyapatite content was increased , the compression strength , shear strength and impact strength were increased but the tensile strength was a bit fallen .

结果表明：异辛酸稀土的加入，可使MC尼龙的拉伸强度、冲击强度、硬度等力学性能得以提高，并能提高制品的热稳定性。

The results show that the addition of isooctoate rare-earth increases tensile strength , impact toughness , hardness , and thermal stability of the MC nylon .