中密度聚乙烯

中密度聚乙烯材料的焊接性能研究

A study of heated tool butt welding of MDPE materials

输送丙烷的中密度聚乙烯管材长期使用性能研究

Study on long term behaviour of MDPE gas pipes for transferring propane

本文对中密度聚乙烯（MediumDensityPolyethylene）共混体系性能及结晶行为进行了研究。

The property of medium density polyethylene was between HDPE and LDPE .

研究了双峰中密度聚乙烯（BMDPE）与纳米碳酸钙不同配比复合物的流变行为与力学性能。

Melts rheological behavior and Mechanical Properties of bimodal medium density polyethylene ( BMDPE ) / Nano-CaCO_3 composite material is studied .

为了提高石油输送管道内衬材料的耐热性（热变形温度）、耐热油性，采用熔融共混改性法，以聚烯烃接枝物作相容剂，对原来使用的中密度聚乙烯（MDPE）进行共混改性。

To improve the heat resistance ( thermal deformation temperature ) and hot-oil resistance of the inner-liner of oil pipe , MDPE was modified by means of melt blending , with graft polyolefin as compatibilizer .

微晶粉增强中密度聚乙烯的研究

Study on the MDPE reinforced with microcrystalline powder

中密度聚乙烯光缆护套专用料的性能

Properties of MDPE speciality resin for fiber jacket

介绍了在管道内防腐方面应用比较广泛的聚乙烯管套接衬里工艺的基本原理、施衬过程及其特点，并着重介绍了中密度聚乙烯管转动塞入衬里新工艺。

The paper introduces basic principle , insertion procedure and property of the insertion technology for PE plastic pipe which is widely used in the pipeline corrosion protection , and especially a new rolling insertion method of medium density polyethylene pipe .

本文研究了空气中高密度聚乙烯薄膜的辐射效应。

The radiation effect of high density polyethylene films in the air was studied .

根据国家标准、欧洲标准中对高密度聚乙烯（HDPE）埋地排水管材专用树脂的要求，确定了产品的质量控制指标和生产工艺参数。

The technical index of quality control and process parameters for preparing a kind of high density polyethylene ( HDPE ) speciality resin , grade 6360M , for underground drainage pipe were determined in accordance with requirements stipulated in the related European standard and China national standard .

护套：黑色低密度或中密度或高密度聚乙烯。

Jacket : Black low mid or high density polyethylene .

从环境科学的角度讨论了塑料管材供水系统，对在供水系统中使用交联高密度聚乙烯管材及铝塑复合管材提出了异议。

Design of plastic pipes for water supply was discussed from the point of environmental science and objection to the use of cross linked HDPE pipes and aluminium plastics compounded pipes in water supply system was raised .