The notched Izod impact strength of ASA,blends of PBA-g-SAN and SAN resin with various PBA/SAN ratio,were determined.
上述结构赋予ASA以高抗冲性能,其缺口冲击强度最高可达33 kJ/m2。
The effects of the weight fraction of monomer AN in the feed comonomer,St-AN(AN/St-AN ratio,wt%) and the weight fraction of EPM in the feed reaction mixture,EPM and St-An [EPM/(EPM+St-AN)ratio wt%],on monomer conversion ratio(CR),grafting ratio(GR),grafting efficiency(GE) and the notched Izod impact strength of AES were investigated.
研究了AN/St-AN和EPM/St-AN的配料比对接枝反应体系的单体转化率、接枝率和接枝效率及AES缺口冲击强度的影响。
The heat distortion temperature and notched impact strength of flame-resistant PA was enhanced highly,and the elongation rate and notched impact strength of flame-resistant PP was upgraded greatly,meanwhile the apparence of products was improved.
在矿物增强阻燃复合材料中引入稀土表面改性剂对无机粉体进行活化处理,在保持阻燃性能的前提下,改善了阻燃剂及无机粉体材料与高分子材料的相容性,显著提高了阻燃PA材料的热变形温度和缺口冲击强度,明显提升了阻燃PP材料的伸长率和缺口冲击强度,产品表观状态也得到大幅度改善,阻燃复合材料的综合性能优异。
The notched impact strength of modified MC nylon was improved markedly compared with that of common MC nylon, by reaching 30.
针对单体浇铸尼龙 (MC尼龙 )缺口冲击强度低的缺点 ,采用环氧树脂 (EP)对其进行改性。
The results show that CaCO 3 with size of 1 0 μm and treated by compound coupling agent of oxazline terminated polyether(ON337) and alkoxy pyrophsphate titanate(NDZ) and their toughening mastherbatch can increase the notched impact strength of PP/CaCO 3 and c.
结果表明 ,采用平均粒径在 1 0 μm左右并经端唑啉聚醚、烷氧焦磷酸酯型钛酸酯等复合处理的CaCO3 或其增韧母料增韧PP ,可使均聚PP、共聚PP的缺口冲击强度提高至 2 5～ 3倍 ,弯曲模量提高至 1 2～ 1 4倍 ,可以在较少的弹性体用量条件下较大幅度地提高PP/弹性体共混材料的缺口冲击强度 ,并同时保持较高的弯曲模量和熔体流动性。
As a result, Izod impact strength of blends increases remarkblely.
对共混物结晶形态观察发现 ,POM/ NBR共混物中 POM易形成大球晶 ,这是导致共混物缺口冲击强度下降的重要原因 ;而在共混物中添加 Novolak后 ,Novolak通过与 POM分子链间的相互作用 ,改变了 POM分子链固有的规程和排列方式 ,从而改变了 POM的结晶形态 ,使球晶显著减小并消