Vanillic acid is the third monomer suitable for modifying PHB/PET binary copolyester.
香草酸是最适合于PHB/PET体系共聚改性的第三单体。
The introduction of PBT segments in the copolyester is favorable for PET crystallization.
PBT链段的引入增强了PET分子链段的柔顺性，有利于提高PET链段的结晶能力。
The melted copolyesters exhibit good liquid crystallinity in some range of the copolyester compositions.
在一定的组成范围内，共聚酯熔体有很好的液晶性。
Another copolyester B-ET was treated by permanganic etches, also demonstrating the fibrillar banded texture.
特别是非平面构象、B-ET用高锰酸钾刻蚀也观察到微纤的条带织构。
The differential property copolyester which can be dissolved in water is synthesised with lots of experiments.
经大量试验，合成出能够溶解于水的，具有差异化性能的聚酯。
The polyester or copolyester can be converted into dimethyl terephthalate of binary acid and glycol by method of methanolysis.
介绍用甲醇醇解法把聚酯或共聚酯解聚成二元酸二甲酯和二元醇。
If the fourth monomer is added into the copolyester, The fibercan exhibit wool-like behavior and somewhat exceed the effect of real wool.
若引进第四单体，其性能更接近羊毛，具有良好的毛型效果。
Copolyester hot-melt adhesives for interlining industry may be obtained by depolymerization of waste PET, esterification and polycondensation.
本文利用聚酯(PET)废料为基本原料，进行了合成共聚酯热熔胶的研究。
When the copolyester contains 10%, 15%, or 50% (mol) isophthalic acid, it displays the optical property of the thermotropic mesomorphic phase;
当间苯二甲酸的含量为10％、15％和50％（摩尔）时，共聚酯显示出热致性中介相的光学性质。
After the data processing with a visual Basic code, the birefringences of copolyester films upon whole visual light wavelength band were produced.
通过自行编制的数据处理程序，可以方便、快捷的得到薄膜在整个可见光波段所对应的双折射率。
It was found that the alkali hydrolytic rate of copolyester increased with the increasing of AAand SIPM, while decreased with the increasing of BD.
研究发现，共聚酯碱水解速度随aa、SIPM添加量增加而增加，随BD添加量增加而减少。
The reasons that have effect on the thermal characteristics of copolyester were studied through the DSC analysis of several typical polyester chips.
通过对几种典型聚酯切片的DSC分析，探讨了影响共聚酯热性能的原因。
The crystallization property of PET-PBT copolyester has been investigated by means of differential scanning calorimetry (DSC) and X-ray in this paper.
运用差示扫描量热法(dsc)等分析手段研究了PET -PBT共聚酯的结晶性能。
The Lnk1 and T(?) of copolyester with 10% m-benzene dicarbonic acid were smallest, and it's mechanical properties were also best in all studied copolyesters.
均下降，同时，力学性能也下降，但间苯二甲酸含量为10％的共聚酯的力学性能最佳。
Isophthalic acid is an important organic chemical product with wide application in alkyd resin, unsaturated polyester resin and acid-modified copolyester etc.
间苯二甲酸是一种重要的有机化工产品，在醇酸树脂、不饱和聚酯、酸改性共聚酯等方面具有广泛的用途。
Furthermore, TGA results showed that with the increasing contents of BPDA, the thermal decomposition temperatures and thermal decomposition residues of the copolyester increased obviously.
TGA结果表明，随着共聚单体BPDA投料量的增加，共聚酯的热分解温度和热分解残留量都有比较明显的提高。
By measuring spinning technology and drawing condition of the copolyester, suitable spinning conditions were obtained. And effects of drawing condition on properties of the fibers were discussed.
又对该共聚酯的纺丝工艺和拉伸条件进行试验，得到了合适的纺丝和拉伸工艺，讨论了拉伸条件对纤维性能的影响。
By measuring spinning technology and drawing condition of the copolyester, suitable spinning conditions were obtained. And effects of drawing condition on properties of the fibers were discussed.
又对该共聚酯的纺丝工艺和拉伸条件进行试验，得到了合适的纺丝和拉伸工艺，讨论了拉伸条件对纤维性能的影响。
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