PPTA

Study on Structure and Properties of PPTA Fibre at High Spinning Speed

芳纶高速纺纤维结构性能特点

Effects of Ultrasound Wave Pretreatment on Structure Changes of PPTA Fibers

超声波预处理对对位芳纶纤维结构的影响

This paper reports the new technology of high speed spinning of PPTA fiber .

本文报道了PPTA纤维（芳纶1414）高速纺丝新工艺。

Study on the degree of orientation in amorphous region of PPTA Fiber

芳纶非晶区取向研究涤纶纤维晶区取向程度的测定

Effect of synthesis process on reduced inherent viscosity of PPTA

合成方法对共缩聚PPTA比浓对数粘度的影响

A study of spinning technology of modified PPTA fibre

改性芳纶纤维纺丝工艺研究

Influence of thickness of PPTA gel on the properties of its pulp

挤出PPTA冻胶体厚度对浆粕性能的影响

The production and the applications of PPTA-pulp and PPTA paper in China

对位芳纶浆粕及其绝缘纸的生产和应用

Study on the thermal behavior and mechanical property of PPTA / nylon-1010 molecular composite

PPTA/尼龙-1010分子复合材料热行为与力学性能的研究

The PPTA team has explored world ? wide eco-tourism experience and principles .

项目前期技术援助小组已经采用了全世界的经验和原理。

Study on the Properties of PTFE Matrix Composites Reinforced by Organic Fibre of PPTA

芳纶纤维填充改性增强聚四氟乙烯复合材料性能研究

Machines of Deformation and Fracture of PPTA Fibers Bending Fatigue

芳香族聚酰胺（PPTA）纤维弯曲疲劳的形变和断裂机理

Studies on the Rheological Behaviors of PPTA / Nylon 1010 Molecular Composite

PPTA/尼龙1010分子复合材料流变行为的研究

Crystallization and Melting Behavior of PPTA / Nylon 1010 Molecular Composites

PPTA/尼龙1010分子复合材料的结晶与熔化行为

To the industrial PPTA fiber , the reaction mechanism , the synthetic process and the influence factors were discussed .

对已工业化的芳纶纤维，详细论述了其反应原理、合成步骤和影响因素。

The results of study on the degree of orientation in amorphous region of PPTA fiber are reported .

本文首次报道了芳香聚酰胺纤维（PPTA）非晶区取向度的定量研究结果。

Preparation and Characterization of PPTA Enhanced Stab-resistant Electric Bicycle Tire Buffer Layer Material

芳纶纤维增强防刺电动车轮胎缓冲层材料制备与表征

Application of PPTA Fibers in Frictional Material

芳纶在摩擦材料中的应用

Structure and properties of PPTA and PBA blend fibre

PPTA与PBA共混纤维的结构性能

Both spinning and nonspinning process of producing PPTA pulp are discussed respectively .

它汇集了近几年来国内外对PPTA浆粕纤维在制备工艺，成型机理以及应用等方面的研究成果，并对目前国内外主要采用的纺丝法，非纺直接法工艺分别进行了讨论。

Status of research on modification of PPTA by copolycondensation

PPTA共缩聚改性研究现状

Inherent viscosity data showed that high molecular weight PPTA could be obtained with calcium hydride as acid absorbent .

研究结果表明，添加氢化钙可以聚合出高分子量PPTA。

Study on the polymeric reaction of PPTA with nh_3 used as absorbent of HCl

NH3作为HCl吸收剂对PPTA缩聚反应影响的研究

Expression of PPTA mRNA in trigeminal ganglion in rat during occlusal trauma

咬合创伤大鼠三叉神经节中PPTAmRNA表达的变化

Spinning-cutting process is a mature and industrialized method to produce PPTA pulps .

制备PPTA浆粕最为成熟且已工业化的方法是PPTA液晶纺丝-切割法。

This suggests that the shear yield is the main deformation mechanism of PPTA fibers in tension and in compression .

剪切屈服是其主要形变机制。

The results of study are reported on a new process of dry-jet wet-spinning of PPTA fibre in one step .

本文首次报道了芳纶Ⅱ-4型纤维一步法成形的新工艺。

The concave diffraction grating on the film of PPTA is prepared by the double beam interference illumination .

利用PPTA薄膜在紫外光照下可硬化的特点，在薄膜上制备光栅进行研究并通过双光束干涉曝光法，制备了凹面光栅。

Studyes on the mechanical properties and crystalline behaviours of ppta / nylon 1010 molecular composite

PPTA/尼龙1010分子复合材料力学性能及结晶行为的研究

Viscometric determination of compatibility in PPTA / nylon-1010 molecular composite

粘度法测试PPTA/尼龙-1010分子复合材料组分间相容性