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- isotactic polypropylene fiber 全同聚丙烯纤维
- It is called isotactic polypropylene . 是一种叫等规聚丙烯的材料。
- Several fiber materials were characterized with fourier transform infrared spectroscopy.Result showed that some were isotactic polypropylene. 采用傅立叶变换红外光谱仪对几种纤维的材质进行了鉴别,经对比红外光谱图,确认了几种纤维的材质为等规聚丙烯。
- The dissolvability of chlorinated isotactic polypropylene (CIPP) prepared via solid state chlorinated was investigated. 研究了制备工艺条件、原料性质等对氯化等规聚丙烯溶解性能的影响。
- The structure of chlorinated isotactic polypropylene(CIPP) was analyzed by DSC,IR,and 1H-NMR. 借助DSC,IR,1H-NMR方法对搅拌式固相氯化制备的氯化等规聚丙烯(CIPP)的宏观氯原子分布和微观氯原子分布进行了分析。
- Solid phase grafting onto low isotactic polypropylene (LIPP) was studied in this paper. 研究了低等规度聚丙烯(LIPP)固相接枝马来酸酐(MAH)。
- The effect of properties of isotactic polypropylene on Chloridizing reaction and Basic Characteristic of Chloridizing reaction are discussed. 探讨了等规聚丙烯原料性质对氯化反应的影响,同时研究了氯化反应的基本特征。
- The grafting reaction and the extent of grafting had significant effects on the crystallinity and crystalline forms of isotactic polypropylene. 接枝反应和接枝率对全同立构聚丙烯的结晶度和结晶形态有很大的影响;
- The crude low isotactic polypropylene (LIPP) was fractionated by subsequent extractions with boiling ethyl ether, n - hexane, and n - heptane. 用溶剂分级法对低等规聚丙烯(LIPP)进行了分级,测定了各级分的含量、分子量及其分布、特性粘数、分子链规整度及序列分布等分子性质。
- This paper analyzed the microstructure and properties of the low isotactic polypropylene (LIPP) prepared with the homemade low isotactic catalyst. 采用低等规聚丙烯(LIPP)催化剂制得LIPP,并测定其微观结构和性能。
- Isotactic polypropylene(iPP) flat sheet microporous membranes were prepared via thermally induced phase separation(TIPS). 摘要以热致相分离法制备了聚丙烯平板微孔膜。
- The mechanical properties of the rolled and subsequently heat treated isotactic polypropylene were measured by the tensile tests. 摘要借助拉伸试验对轧制和退火后的等规聚丙烯进行了轧向及横向上力学性能的研究。
- Crystallization behavior of isotactic polypropylene(iPP) were studied and observed by polarizing microscope,and also compared to that of PP/MMT(montmorillonite) composites. 采用偏光显微镜对全同立构聚丙烯(iPP)等温结晶行为进行系统的研究;并与聚丙烯/蒙脱土(PP/MMT)复合材料的结晶行为进行比较.
- This paper analyzes the improvement mechanism of concrete performance by polypropylene fiber. 摘要分析聚丙烯纤维对混凝土性能的改善机理。
- Aim of the experiment is to realize self reinforcement and self tougheness simultaneously of the isotactic polypropylene(I PP) moldings injected by the VIM device. 实验目的在于用低频振动注射工艺来实现等规聚丙烯制件自增强的同时自增韧。
- The characteristics and mixture ratio design of the polypropylene fiber shotcrete are introduced. 摘要介绍了聚丙烯纤维喷射混凝土的特点及其配合比设计。
- The thesis studies the influence of compounding polypropylene fiber and expansion agent to Plastic shrinkage of mortar. 摘要混凝土的塑性收缩裂缝,是其结构原生缺陷的主要来源,无论是否可见,都会影响混凝土的耐久性。
- The volatile compounds in adhesive of polypropylene fiber tow filter rod were analysed by SPME-GC/MS. 用固相微萃取-气相色谱-质谱(SPME-GC/MS)法测定了丙纤滤棒粘合剂的挥发性成分,并对加工好的滤棒进行跟踪对比分析。
- The aim of this article is to explore the relationship between processing conditions, structures and the properties of isotactic polypropylene (i-PP) prepared via a new processing methodology of iso-channel angular extrusion (ICAE). 采用等通道转角挤出方法对等规聚丙烯进行自增强挤出,研究和分析挤出工艺条件与材料结构、性能之间的关系。
- The article also offers application samples of polypropylene fiber concrete used for various waterproof engineerings. 文中还介绍了聚丙烯纤维混凝土在各类防水工程中的应用实例。