对苯二甲酸

It is shown that the crystallinity and melting point of copolyesters decreased with increasing content of...

结果表明：共聚酯的结晶度和熔点随着体系中对苯二甲酸或新戊二醇的含量增加而下降，而耐热性能则明显提高。

The reaction of hydrolytic depolymerization was used for the generation of useful chemicals of ethylene glycol and terephthalic acid.

研究中设计及评估了三种水解废PET的化学程序，这些程序可将废PET转化为对苯二甲酸和乙二醇化学品，可做重新生产PET或其他聚酯原料之用。

Polyethlence terephthalate melts at 264℃, and can be melt-spun to give drawable fibers of high strength and flexibility.

聚对苯二甲酸二甲酯的熔点为264℃，可以采用熔纺的方法将纤维牵伸以获得较大的强度和弹性。

Polyethylene terephthalatemelts at 264℃, and can be melt -spun to give drawable fibers of high strength and flexibility.

聚对苯二甲酸乙二酯的熔点264℃，可以采用熔纺的方法将纤维牵伸以获得较大的强度和弹性。

The catalytic activity of esterification of diisooctyl terephthalate was studied,with stannous oxide,stannous chloride,stannous octoate and their synergism as catalyst.

以3种亚锡类催化剂氧化亚锡、氯化亚锡、辛酸亚锡以及它们之间复配后作为催化剂，对对苯二甲酸二异辛酯酯化反应的催化活性进行了研究，实验结果表明，以氧化亚锡和辛酸亚锡复配后的催化活性最高，氧化亚锡和辛酸亚锡作为催化剂的酯化反应最佳合成工艺条件为：催化剂的加量为0。

This paper discussed the synthesis of different plasticizers of DONTP by using DMT,octyl alcohol,octanol,low molecular weight emtrol and others as raw materials. And the effect of process and catalysts on plasticizers was also discussed.

以对苯二甲酸二甲酯、辛醇、丁醇等低分子质量脂肪醇为原料，采用酯交换法合成出DONTP等增塑剂品种，并就合成工艺条件、催化剂种类等因素对增塑剂性能影响进行了讨论。

he isothermal and non-isothermal crystallization behaviors of blends o f thermotropic liquid crystalline polyester and PET have been studied.

用差示扫描量热法对聚对苯二甲酸乙二酯／热致液晶高分子共混体系的等温和非等温结晶行为进行了研究。

The isotropy or anisotropy in some physical properties of the amorphous poly films uniaxially drawn at temperatures above its T g and then quenched to room temperature have been studied.

对非晶态聚对苯二甲酸乙二酯膜片经在Tg以上单轴拉伸然后淬冷至室温的试样，其物理性质的各向同性或各向异性进行了研究。

Amorphous PET film was uniaxially drawn over a wide range oftemperatures from below to above 〓 at a constant strain rate.

研究了非晶聚对苯二甲酸乙二酯膜在〓以下直至〓以上20℃范围内以恒定的速率单轴拉伸，拉伸温度，拉伸比对取向、弛豫、以及诱导结晶的影响。

P hydroxybenzoic acid ; oligomer ; PET ; transesterification ; block copolymer

对羟基苯甲酸；齐聚物；聚对苯二甲酸乙二醇酯；酯交换反应；嵌段共聚酯

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。