聚丙烯纤维

改性聚丙烯纤维影响混凝土抗压强度的机理初探

Discussion on the Mechanism of the Modification PPF Influencing the Compressive Strength of the Concrete BAI Guo-qing , DONG Jian-wei

本研究采用共混纺丝方法制成A2、C2、D2三种改性烟用聚丙烯纤维。

In this study ? a blend spinning method was used to make three kinds of modified polypropylene fibre ( Az , C2 , Dz ) for cigarette .

EM改性聚丙烯纤维的电磁屏蔽性能研究

Study on Electromagnetic Shielding Property of Inorganic Particle Modified PP Fibers

BA接枝改性聚丙烯纤维对水中邻苯二甲酸二丁酯的吸附

Polypropylene grafting butyl acrylate and its applications on absorbing DBP in water

金红石型TiO2对聚丙烯纤维紫外光降解的影响

Influence of rutile-type TiO_2 on photodegradation of polypropylene fiber

ESR结合自旋探针方法研究硬弹性聚丙烯纤维的拉伸过程

ESR study of the hard elastic polypropylene fiber in the process of stretching by the spin probe technique

纳米CaCO3/EVA/PP共混制备多孔聚丙烯纤维

Porous Polypropylene Fiber Prepared by Nano-CaCO_3 / EVA / Polypropylene Blends

基于SHPB试验的聚丙烯纤维增强混凝土动态力学性能研究

Dynamic Performances of Polypropylene Fiber Reinforced Concrete Based on SHPB Experiment

高掺量聚丙烯纤维混凝土动力特性的SHPB试验

SHPB test study on dynamic characteristics of polypropylene fiber concrete

聚丙烯纤维工程水泥基复合材料（以下简称PPECC）是将聚丙烯PP改性纤维加入到工程水泥基复合材料ECC中。

The polypropylene fiber engineering cement composite materials ( hereinafter referred to as PP ECC ), modified polypropylene fibers were added to the ECC .

聚丙烯纤维混凝土（PolypropyleneFiberReinforcedConcrete，简称PPFRC）是近年来迅速发展起来的一种优良且应用广泛的新型复合材料。

Polypropylene Fiber Reinforced Concrete ( PPFRC ), a new composite material with excellent properties , is developed rapidly and applied extensively to civil engineering in recent years .

等规聚丙烯纤维结构与性能研究&中粗旦FDY成型过程中的结构变化

Study on the structure and property of IPP fiber & structure changes of mid-coarse FDY in forming process

SEM形貌图表明，粉煤灰掺量达到140kg/m3时，聚丙烯纤维高抗冻混凝土的结构密实，纤维与混凝土界面结合紧密；

SEM diagram shows that when the mixed fly ash reaches 140 kg / m3 , the structure of high frost resistant concrete with polypropylene fiber is densified , and the fiber is tightly combined with boundary concrete .

对聚丙烯纤维和钢纤维增强水泥砂浆复合材料和混凝土复合材料进行了MTS准静态单轴压缩实验和压剪加载条件下的细观力学实验研究。

Quasi-static uniaxial compression experiments and meso compression-shear experiments were carried out to investigate the failure properties of polypropylene micro-fiber and steel fiber reinforced cement and concrete composites .

笔者认为在众多的纤维新品种中，新型纤维素纤维、茂系催化剂间规聚丙烯纤维、新型聚酯PTT纤维将成为老品种的强有力的竞争对手。

Among the new fibers , new cellulosic fiber , syndiotactic PP fiber synthesized by metallocene catalyst and PTT filler will become the big competitors against the conventional fibers .

PEG-ZnO-PP复合抗静电剂及其对聚丙烯纤维的改性

PEG-ZnO-PP composite antistatic agent and its modification for polypropylene fiber

聚丙烯纤维料F30S产品的开发

The Product Development of Polypropylene Fiber F30S

同时探讨了试件尺寸对高温前后fcu的影响。（4）掺聚丙烯纤维的HSC高温后劈裂抗拉强度的研究。

Simultaneously , the influence of specimen size on fcu was discussed at high temperatures before and after . ( 4 ) The splitting tensile strength of HSC mixed with Polypropylene Fibers subjected to high temperature was studied .

介绍了甘肃兰港石化有限公司采用加氢法开发和生产聚丙烯纤维级树脂S800的过程。

This paper introduced the fibre-grade polypropylene resin S800 developed and produced with hydrogenation process by Cansu Langang Petrochemical Co. , Ltd.

应用聚丙烯纤维（简称DFRC）来提高混凝土的抗裂性、韧性和抗疲劳等性能及防水性能已成为当今路桥工程中的重要途径。

It is the main method to use DFRC to promote the property of cracking resistance ? toughness ? fatigue resistance and water proof .

得出试片在10MPa的成型压力下的最佳成型条件为：聚丙烯纤维含量为40%，成型温度200℃，成型时间4min，此时所制备的复合材料弯曲性能最佳。

The results show that with 10 MPa shaping pressure the best shaping condition is 40 % content of the polypropylene , 200 ℃ shaping temperature and 4 minute shaping time .

网状聚丙烯纤维混凝土在065～090应力水平范围内，疲劳寿命增长均很明显，而且相对比较稳定，说明网状聚丙烯纤维的增韧作用更加明显，适宜于UTW路面使用。

The fatigue life of the mesh polypropylene fiber reinforced concrete increase evidently and steadily within the range of stress ratio between 0.65 and 0.90.This indicates that the mesh polypropylene fiber have more effects on increasing the flexibility of the concrete , and can be used to UTW pavement .

聚丙烯纤维锚固灌浆材料试验研究

Experiment and Research on Anchor Grouting Material Admixed with Polypropylene Fiber

聚丙烯纤维光接枝改性的研究

Study on Modification of Photo - grafting Copolymerization of Polypropylene Fiber

辐射接枝聚丙烯纤维的晶态结构研究

Study on crystal structure of polypropylene fiber in radiation graft polymer

聚丙烯纤维混凝土耐气候老化性能试验研究

Research and test of ageing performance for polypropylene fiber reinforced concrete

膨胀型防水剂与聚丙烯纤维在混凝土抗渗结构中的应用

Expansive waterproof agent and polypropylene fiber used in anti-seepage concrete structure

聚丙烯纤维混凝土技术应用与研究进展

Application of Technology and Research Progress on Concrete of Polypropylene Fiber

提出了发展和推广阻燃聚丙烯纤维的有关建议。

The production development of fire retardation PP fiber was analyzed .

亚麻/聚丙烯纤维复合材料的制备及力学性能研究

Preparation and study of mechanical properties of flax / polypropylene composites