聚酯

The stress calculation method and strength condition of PET aerated water bottle were obtained from theory. The strength of PET aerated water bottle was simulated and calculated ANSYS. The stress graphics of the bottle with different thickness was plotted and their stress property was analyzed. The influence of axial load and grooves on bottle stress was also studied.

从理论上得到了聚酯碳酸饮料包装瓶的应力计算方法和强度条件；利用ANSYS对其强度进行了有限元模拟和计算，得到了不同厚度的聚酯碳酸饮料包装瓶的应力图，并分析了其应力特点；同时研究了轴向载荷和瓶体开凹槽对瓶体应力的影响。

The stress calculation method and strength condition of PET aerated water bottle were obtained from theory. The strength of PFT aerated water bottle was simulated and calculated ANSYS. The stress graphics of the bottle with different thickness was plotted and their stress property was analyzed. The influence of axial load and grooves on bottle stress was also studied.

从理论上得到了聚酯碳酸饮料包装瓶的应力计算方法和强度条件；利用ANSYS对其强度进行了有限元模拟和计算，得到了不同厚度的聚酯碳酸饮料包装瓶的应力图，并分析了其应力特点；同时研究了轴向载荷和瓶，婚开凹槽对瓶体应力的影响。

First esterification solution is prepared by alcoholysis PET. Then the feeding method, esterification and condensation temperature, catalytic-stable system and so on are adjusted.

酯化母液以醇解聚酯方法制备，然后通过对加料方式、酯化和缩聚温度、催化稳定体系等生产运行参数的调整，生产出质量良好的共聚酯切片。

At present, the products have three series: 1, enamelled round copper wire flat Series: Polyester enameled wire, enameled wire modified polyester, polyester-imide / polyamide-imide enameled wire, such as composites.

目前，产品有三大系列：一、漆包圆、扁铜线系列：聚酯漆包线、改性聚酯漆包线、聚酯亚胺／聚酰胺酰亚胺复合漆包线等。

The results showed that unsaturated polyester with a molecular weight of 5000 can be obtained by 8 hour react at 210℃,-0.098MPa with Antimony Glycolate as catalyzer.

结果表明，以乙二醇锑为催化剂，在210℃，-0.098MPa下反应8h即可制备分子量在5000左右的不饱和聚酯，通过调整分子量和不饱和聚酯分子链中刚性基团和柔性基团的比例，制备了具有较低的玻璃化转变温度(Tg=15.15℃)和优良综合力学性能的不饱和聚酯，可以用作乳液中的(来源：ABC0643论文网www.abclunwen.com)成膜组分。

Terminated DFA-PEG-PPG tripolymer polyester,which was synthesis by adding long chain fatty acid or fatty alkanol into the reactionsystem, contained not only chain lipophilic group but also polyester-polyether group,and had the building effection of alkanol antifoaming reagent and polyether one. Thenovel design theory for structure of antifoaming reagent was put forward by studyingperformance of product.

这种新型结构聚酯的合成，为消泡剂分子结构的设计提出了一种的思路；采用嵌段聚合方法所合成的_m-_n嵌段聚酯型高分子表面活性剂，其分子量比DFA-PEG和DFA-PEG-PPG三元共聚酯的分子量更大，所表现出的乳化性能更为优秀。

Heat up soaking zinc plating steel plate , colour steel plate , liquid crystal display of all kinds , EPS bipeltate package products series , being encircled by oxygen priming paint , polyester

热浸镀锌钢板、彩色钢板、各类液晶显示屏、EPS泡沫塑料包装制品系列、环氧底漆、聚酯底漆、聚酯背漆、聚酯面漆等。

A series of poly/PET-copolyester polymer blends and fibers from these blends are preparated . The polymer blends are : PET/CDP(CDP: cation dye dyeable polyester or high pressure type cation dye dyeable polyester); PET/ECDP(easy cation dye dyeable polyester or normal pressure type cation dye dyeable polyester); PET/ECDP/polyethyleneglycoland PET/CGP. The transition temperature, crystalline structure, rheological behavior and thermal stability were studied .

本文制备了聚对苯二甲酸乙二醇酯／高压型阳离子染料可染聚酯；PET／常压型阳离子染料易染聚酯；PET／ECDP／聚乙二醇和PET／CGP一系列PET／PET-共聚酯共混物及纤维，对其转变温度、结晶性能、流变性能及热稳定性进行了研究。

The crystallization behavior of polyethylene terephthalate ; random poly (ethylene/tetramethylene terephthalate) P (ET/BT ; poly (ethylene terephthalate/ isophthalate) P (ET/EI and poly (ethylene terephthalate/adipate) P (ET/EA copolyesters; and block polyethylene terephthalate/polyethylene glycol and polyethylene terephthalate/polytetramethylene glycol were studied by DLI ; DSC; WAXD; PLM and IR technique.

本文通过缩聚反应合成了不同分子量的聚对苯二甲酸乙二酯；聚对苯二甲酸酯P(ET／BT、聚（对苯二甲酸／间苯二甲酸）乙二醇酯P(ET／EI和聚乙二醇酯P(ET／EA等系列的无规共聚酯以及PET／PBG和PET／PEG等系列的嵌段共聚酯，并采用DLI、DSC、WAXD、IR和NMR等实验技术着重研究了它们的结晶行为与共聚酯的序列结构。

Sizing is clearly headed in the direction of neutral, and neutral divides in two directions: one is self-retention of neutral, such as the AKD, ASA cationtype Rosin, neutrase ployster and the other is a non-self-fixed neutral, such as the anion dispersed oil Rosin, anion, neutral polyester resin, and the latest research interest is the preparation, to meet the many self-retention and Rosin Sizing the performance of the Department of sizing agent, such as neutrase ployster, epoxidized Rosin, etc.

造纸施胶正朝着中性施胶方向迅猛发展，而中性施胶剂又分为两个方向，一是自身留着型中性施胶剂，如AKD、ASA、阳离子分散松香胶、中性聚酯，另一类是非自定型中性施胶剂，如阴离子中性分散松香、阴离子石油树脂、中性聚酯等，而最新型研究方向则是将二者统一起来，制备成兼具自身留着和松香系施胶性能的施胶剂，如中性聚酯，环氧化松香等。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。