1) HDPE powder
HDPE粉末
1.
Determination of particle size and distribution of HDPE powder was studied by dispersion of powder in ethanol-water and measured by laser particle size analyzer.
将HDPE粉末分散在乙醇-水介质中,用激光粒度仪动态测定其粒度及粒度分布。
2) high-density polyethylene
HDPE
1.
Based on constitutive relationship of thermal viscoelastic integral-mode and the properties of material, which depend on temperature fluctuation and the effect of phase-transition latent heat, heat-force coupling function and load step character of ANSYS were employed to simulate the hot-plate welding procedure of high-density polyethylene (HDPE) plastic pressure pipe.
基于热粘弹性积分型本构关系,考虑材料性能依赖于温度变化及相变潜热的影响,利用AN SYS热-力耦合及载荷步功能模拟结晶型高密度聚乙烯(HDPE)塑料压力管道热板焊接过程,并对焊接接头的应力分布进行有限元分析,得到了环向、轴向以及径向瞬态应力分布的基本规律。
2.
The chemical structure and adhesiveness of high-density polyethylene (HDPE), functionalized through ultraviolet irradiation at environmental temperature of 35～70 ℃ in air, and the compatibilization of the ultraviolet irradiated HDPE in HDPE/polyvinyl alcohol (PVA) fiber blends were investigated by elementary analysis, XPS, GPC, gel measurement and mechanical properties test.
采用元素、XPS、GPC分析 ,凝胶和力学性能测定 ,研究了空气中不同环境温度下紫外辐照官能化HDPE的结构、粘着性以及紫外辐照官能化HDPE对HDPE/聚乙烯醇 (PVA)体系的增容作用 。
4) powder
[英]['paʊdə(r)] [美]['paudɚ]
粉末
1.
Microstructural characteristic of rapidly solidified W9 high speed steel powders;
气体雾化快凝W9高速钢粉末的组织特征
2.
Selective laser sintering——A kind of rapid prototyping technology based on special powders;
特种粉末选择性激光烧结快速成形技术
3.
Status of Preparation and Application of Fe-Ni Alloy Powder;
铁镍合金粉末的制备及应用现状
5) powders
[英]['paudə] [美]['paʊdɚ]
粉末
1.
Hydrothermal treatment of barium strontium titanate (BST) powders obtained by solution-precipitation method;
溶胶-沉淀法制备钛酸锶钡粉末及其水热处理
2.
The Influence of Feed Way on Ferrite Powders Made by Hydrothermal Process;
加料方式对水热法制铁氧体粉末的影响
3.
Studies on hydroxyapatite powders via sol-gel process;
溶胶-凝胶法制备羟基磷灰石粉末的研究
6) pulverized powder
粉碎粉末
补充资料：HDPE
结构式：[-CH2-CH2-]n
性状 无嗅、无味、无毒的白色颗粒或粉末。熔点13l℃。密度0．942-0．950g／cm3。软化点120-125℃。脆化温度-70℃。最高使用温度100℃。具有优良的耐热、耐寒、耐磨性及介电性、化学稳定性。在室温下几乎不溶于任何有机溶剂。能耐多种酸碱及各种盐类溶液的腐蚀。吸水性和水蒸气渗透性均低。但耐老化性能较差。
生产方法 主要采用泥浆法。在催化剂四氯化钛和一氯二乙基铝存在下，控制压力为〔1-5)×105Pa，温度65-75℃，将99％以上的乙烯，在溶剂汽油中聚合得到浆状物，再经醇解、中和、水洗、干燥、造粒而得。
拉仲屈服强度(MPa) ＞23．0
伸长率 (％) ＞200
冲击强度(kJ／m2) ＞9
维卡软化点(℃) >120
脆化温度(低温 冲击，℃)<70
体积电阻率(Ωcm) 1×1017
介电强度(kV／mm) ＞35
介电常数 2.35
介电损耗角正切 ＜5×10-4
应用领域 医药和化学工业用于制造中空制品，如桶、瓶及贮槽等。食品工业用于制造包装容器。机械工业用于：制造盖壳、手柄、手轮等通用机械零件，造纸工业用于制造合成纸。农业上用于制造覆盖薄膜。电气工业用于制造电缆绝缘及电气零部件。渔业上用于制造渔网。石油工业用于制造输水管及酸、减、盐等溶液输送管。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条