PBT

Analysis of crystalline polymer pet and PBT with electron microscope

结晶高聚物PET和PBT电子显微镜分析

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At present, PBT has been used in the manufacture of electronic appliances, auto parts, machinery equipment and precision parts, to replace metal materials, thermosetting plastics and some thermoplastics.

目前，PBT工程塑料已经被广泛应用于电子电器、汽车部件、机械设备以及精密零部件的制造，以取代金属材料，热固性塑料以及一些热塑性塑料。

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Structure Characterization and Thermal Transition of PBT/ PET Copolyester

PBT/PET共聚酯的结构表征和热转变

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Polybutylene terephthalate ( PBT ) is a semicrystalline thermoplastic polymer formed by a condensation process.

PBT是一种通过浓缩成型而制备的,一种半结晶热塑性塑料.

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Principle, function and construction of the PBT-1 biaxial tilting table for calibrating accelerometers are described in this paper.

本文扼要地介绍了专门用于加速度计静态标定的PBT&Ⅰ型双轴转台的工作原理、性能和构造。

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By means a micro-twin-blender the blending of lignin with poly ( butylene terephthalate ) ( PBT ) was studied.

利用微型双螺杆共混仪研究了木质素与 聚对苯二甲酸 丁二酯的共混过程.

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The experimental results show that the double-peaks in DSC plots are owing to mutiple-melting behavior but not to polymorphy in PBT crystals.

结果表明：PBT结晶熔化时的DSC双峰图为多重熔化行为而非多晶型的结果；

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This article intruduces the use of the PBT 301-G 30 engineering plactic in the timer with bell.

本文介绍PBT301—G30工程塑料在带铃定时器中的应用.

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The results show that PBT could be used in electronic capacitor adjustment is made.

结果表明,通过适当的改性,PBT材料 可用于生产电容器元件.

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The mechanical property changes in an accelerated environment of glass fiber reinforced thermoplastic polyester were studied.

研究了玻璃纤维增强热塑性聚酯(PET、 PBT) 复合材料在加速老化条件下力学性能的变化.

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Influence factors of the Production technology of PBT fiber such as temperature and speed of spinning, condition of quenching, take-uP tension, time of balance, temperature and ratio of drawing, twisting, overfeed ratio and texturing temperature are studied under conventional spinning speeds.

本文研究了在常规纺速下，纺丝速度、纺丝温度、冷却成形、卷绕张力、平衡时间、拉伸温度、拉伸倍数、捻度、超喂率、变形温度等对PBT生产工艺的影响。

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The results showed that the presence of the cupric acetate had an obviously promotion for PBT depolymerization in subcritical water.

结果表明：醋酸铜的存在对于PBT在亚临界水中的解聚具有明显促进作用。

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The results showed that PEPA was an excellent char-forming agents.

结果表明:PEPA是 良好的成炭剂,与基体有很好的相容性,与MC协同 作用于PBT树脂 具有出色的阻燃效果(达到UL94V-0级).

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The DSC results showed that the PBT/ PET blend system was compatible in amorphous region, but incompatible in crystalline region.

DSC分析表明PBT／PET共混体系在非晶区相容，晶区不相容。

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A pyrolysis gas chromatographic method with steer capillary column was established for identification of PET and PBT.

本文研究了以裂解气相色谱法鉴定PET和PBT树脂。

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Polypropylene was modified by thermoplastic elastomer poly-1-butylene ( PBt-TPE) of various molecular mass.

采用不同相对分子质量的聚丁烯热塑性弹性体，对聚丙烯（PP）进行共混改性，并研究了共混物的力学性能和热性能。

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Synergistic toughening modification of PBT/ PC blends with PTW and POE

POE和PTW协同增韧PBT/PC合金

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The modified PBT had a storage modulus and loss modulus, tensile strength and elongation at break increased 2.6-4.6 times, at least 50% and 1 time, respectively, which indicated that the chain-extension modification can improve both the strength and toughness.

改性后PBT的储能模量和耗能模量提高2.6-4.6倍，拉伸强度提高50%以上，断裂伸长率提高1倍以上，表明扩链改性起到了增粘增韧作用。

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Thermoplastic polyester resin is polyethylene terephthalate ( PBT) compounds based binder polymer semi-crystalline materials.

热塑性聚酯树脂是以聚对苯二甲酸丁二酯（PBT）聚化物为主基料的半结晶材料。

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Study about the Effect of Different Dyeing on the Crimp Properties of PBT Fiber

不同染色工艺对PBT纤维卷曲性能的影响研究

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Mfr's control in the production of PBT engineering plastics

PBT工程塑料生产中MFR的控制

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[ Objective] The material consisting of poly ( ethylene glycol) and poly ( butylene terephthalate) segmented copolymer ( PEG/ PBT) has excellent mechanical properties and biodegradation characteristics.

[目的]聚乙二醇／聚对苯二甲酸丁二醇酯（PEG／PBT）嵌段共聚物具有良好的机械性能和生物可降解性，具备作为组织工程支架材料的基本特征。

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The melt rheology of pbt/ pet bicomponent system pt. 2 the melt rheology of blends

PBT/PET双组分体系熔体流变性能的研究&第二报共混熔体流变性能的研究

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A phenolic resin was blended with PBT.

研究了加入聚对苯二甲酸丁二醇酯(PBT) 对酚醛塑料的增韧改性.

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The results showed that the thermal properties and relative molecular weight distribution had no evident effect on the spinnability of PBT when the content of terminal carboxyl group had a profound effect.

结果表明，PBT的热性能和相对分子质量分布对可纺性影响不明显，而其端羧基含量影响显著。

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Kailen is a new modified polyester fiber on the basis of polybutylene terephthalate fiber ( PBT ) .

凯纶纤维是在 PBT 基础上进一步改进而得到的一种新型改性涤纶纤维.

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Present Situation of Development and Techno-economical Analysis of PBT Engineering Plastics

PBT工程塑料的发展现状和技术经济分析

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A fiber-grade PBT was prepared from purified terephthalic acid by esterification. The effect of the performance of PBT on the spinnability was discussed by variance analysis. The influential factors on the terminal carboxyl group content of PBT were studied by orthogonal experiments.

采用精对苯二甲酸酯化法制备纤维级PBT，利用方差分析方法比较了PBT性能对可纺性的影响，并对PBT端羧基含量的影响因素进行了正交试验。

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And for processing high-temperature engineering plastics such as PBT. TA category.

而且用于加工温度高的工程塑料PBT. TA类等.

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Selection of PBT for optical fiber cable industry

光缆工业用PBT的选择

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