耐环境应力开裂

影响5200B树脂耐环境应力开裂性能的因素及改进措施

Factors Harmful to the ESCR of HDPE 5200B and Remedial Measures Thereof

影响聚乙烯管材耐环境应力开裂的因素及对策

Influence Factors on ESCR of PE Pipe and countermeasure

对聚碳酸酯（PC）的耐环境应力开裂性和拉伸性能进行了研究。

The ESC and tensile properties of PC are studied .

耐环境应力开裂的PE电（光）缆护套料的研制

Study and preparation of PE ( optical ) cable jacket material resisting ESC

将聚丙烯（PP）与PC共混，能明显改善其加工流动性，降低成本，提高体系的耐环境应力开裂性能。

Blends of PC with Polypropylene ( PP ) can obviously reduce the cost ;

提高PE管材耐环境应力开裂性能具有重大意义。

It is important to improve the environmental stress - crack resistance ( ESCR ) of PE pipe .

POE、EVA可显著改善HDPE/弹性体/石墨复合材料的耐环境应力开裂性。

POE and EVA can significantly improve ESCR of HDPE composites .

HDPE的耐环境应力开裂性能的研究

A study of Enviromental Stress Cracking Resistance for HDPE

HDPE耐环境应力开裂的机理、影响因素和改进

Mechanism , Effect Factors , and Improvement of Enviromental Stress Cracking of HDPE

LDPE电缆护套料耐环境应力开裂性的改进

Improvement of Environmental Stress - Crack Resistance of LDPE Cable Jacket Materials

对HDPE的耐环境应力开裂性能进行了研究。

The properties of environmental stress cracking resistance ( ESCR ) of HDPE were studied .

HDPE电缆绝缘护套料的耐环境应力开裂性改性研究

Study and Improvement of Environmental Stress Cracking Resistance of HDPE Cable Insulation and Jacket Material

玻璃化转变温度以下的热处理可以提高PC的拉伸强度，但是对改善材料的耐环境应力开裂性不利。

The tensile strength of PC can he improved by the thermal treatment at the temperature below its glass transition temperature , but the property of the resistance of ESC of PC will be decreased .

当POE加入5%（质量）时，体系表现出较好的综合性能。POE、EVA对改善HDPE耐环境应力开裂性是十分有效的

When the content of POE is 5 % , the system reached better complex properties , POE and EVA are effective in improving the ESCR of HDPE

从结构、组成、工艺3个方面阐述了导致黑色LDPE电（光）缆护套料的开裂机理，从而针对性地提出了改进其耐环境应力开裂的具体方法。

The cracking mechanism of black LDPE ( optical ) cable jacket material was discussed from structure , composition and technology , the method improving ESC was given .

高密度聚乙烯6300M和2480的耐环境应力开裂性能研究

A Study on Environmental Stress Cracking Resistance on HDPE 6300M and 2480

聚乙烯电缆护套料的重要性能之一是耐环境应力开裂（ESCR）性能，普通的LDPE树脂不能满足要求。

One of the important performances of polyethylene cable jacket materials is environmental stress-crack resistance , while general-purpose LDPE resin cannot meet all kinds of demands .

试验表明：采用共混及化学改性的方法，HDPE的耐环境应力开裂性能有了很大提高，为解决HDPE树脂在制作管材时出现的短时间内应力开裂问题提供了依据。

The experimental results showed that ESC of HDPE had been improved a lot by blending and chemical modification , which solved the problem of stress cracking of HDPE for a short time when HDPE pipe was made .

研究结果表明：除示性电压、流动性外，化学接枝聚硅氧烷后的LDPE在耐环境应力开裂性、断裂强度、伸长率、击穿场强等方面均比与聚硅氧烷物理共混后的聚乙稀好。

Result of study shows that environmental stress cracking , tensile strength , elongation at break , and breakdown voltage of grafted LDPE are better than that of blent LDPE except incep ˉ tion voltage of electric treeing and fluidity .

在HDPE淤浆法工艺生产装置上，开发了具有优良的物理性能、加工性能和耐环境应力开裂（ESCR）性能的埋地排水管材专用树脂6360M。6360M屈服拉伸强度大于25MPa；

HDPE 6360M successfully produced in a HDPE slurry plant possessed superior physical properties , good processability and high environment stress cracking resistance ( ESCR ) .

研究了成型塑料管材的两种牌号的高密度聚乙烯（HDPE）6300M和2480的耐环境应力开裂（ESCR）性能。

In this paper was presented a study on environmental stress cracking resistence ( ESCR ) on types of HDPE 6300M and 2480 , which had been used in the production of plastic pipes .

研制的TJDL-9270相对分子质量分布宽，易于加工，产品质量稳定，表面光洁度高，并具有优异的机械性能和耐环境应力开裂性能，完全适应高速电缆料的挤出应用。

The LLDPE resin so prepared features of wide relative molecular mass distribution , easy processability , stable quality , high surface gloss and outstanding mechanical properties and resistance to environmental stress cracking , completely satisfying the requirements for manufacturing cable in the mode of high speed extrusion .

高密度聚乙烯/顺丁橡胶共混物的耐环境应力开裂性的研究

A study on Enviromental Stress Crack Resistance of hdpe / cis-polybutadiene blends

耐环境应力开裂聚苯乙烯树脂及合金的制备、性能和用途

The Preparation 、 Property and Use of Environmental Stress Cracking Resistance Polystyrene Resins and Blends

在恒拉力下耐环境应力开裂的测定定速拉伸的固体推进剂双轴板条的应力分析

THE DETERMINATION OF ENVIRONMENTAL STRESS CRACK RESISTANCE OF HDPE UNDER CONSTANT TENSILE LOAD Stress Analysis of the Solid Propellant Biaxial Strip under Constant - Rate Tensile Test

拉伸时的自然冷却会产生不均匀的产品，快速水冷却拉伸工艺能显著改善管的耐环境应力开裂性，成倍提高其强度。

It showed that a fast cooling after drawing was of benefit to dimensional stability , straightness , environmental stress cracking resistance , and strength of the drawn tubes .

然而，炭黑在塑料中的分散十分困难，分散差的炭黑会影响制品的断裂强度、伸长率、耐环境应力开裂、导甩性和对紫外线的屏蔽能力。

If it dispersed badly in plas-tics , it would affect the fracture strength , elongation , environmental stress cracking resis-tance , electric conductivity and the ultra-violet light screening ability of plastics .

经硅油接枝改性后的聚乙烯耐环境应力开裂能力大大增强；树枝引发示性电压和工频击穿电压也得到明显提高。

Environmental-stress cracking ( ESC ) resistance of LDPE grafted with silicon oil was improved apparently , the breakdown voltage at working frequency and indicative voltage of treeing initiation are also enhanced significantly .

研究结果表明：接枝聚硅氧烷后，改性的低密度聚乙烯的树枝引发示性电压、击穿场强、耐环境应力开裂性、拉伸强度及断裂伸长率都得到提高。

Results of study show that inception voltage of electrical tree , breakdown voltage , environmental stress cracking , tensile strength and elongation at break of low density polyethylene are improved after grafting .

将PECT共聚酯与PC形成合金可以提高PC的耐溶剂性和耐环境应力开裂性。

Blending with PCTG may enhance PC ductility and its resistance to solvent stress cracking .