petg

The crystallization ability of PETG copolyester and its fiber strength decrease with the increasing of CHDM content .

随CHDM含量的增加，共聚酯结晶性能下降，纤维强度下降。共聚酯纤维具有优异的弯曲回弹性和染色性能，且随CHDM含量的增加而提高。

Chemical Structural Characterization of PETG and Measurement of CHDM Content

PETG化学结构的表征和CHDM含量的测定

From experiment results , it can be found that the PETG melt intensity can be controlled .

结果表明，PETG的熔体强度可以进行调节。

The spinning and stretching experiment of PETG copolyester is reported .

主要报导了PETG共聚酯的纺丝与拉伸实验。

The isothermal and non isothermal crystallizing behaviors of PETG were studied .

研究了PETG（醇改性聚酯）的等温和非等温结晶性能。

Experiment results show that PETG copolyester chips can be processed on the ordinary PET spinning - stretching machine .

实验表明，PETG共聚酯可通过普通的PET纺-牵设备进行纺丝加工。

The effects of CHDM content and isomer ratio on the thermal properties of PETG were studied by DTA and DSC .

采用DTA，DSC等手段研究了不同CHDM含量及其异构体比例对PETG热性能的影响。

Crystallizing temperature had notable effect on the crystallization capacity of PETG , and the half - life of crystallization reached the valley at 160 ℃ .

结晶温度对PETG的结晶能力有显著影响，半结晶时间在160℃时达到最小值。

The first decomposition process in nitrogen and in air could be taken as the characterizations of the heat decomposition and heat oxidative decomposition stabilities of PETG , respectively .

所以，第一失重台阶的热分解参数，可以作为PETG热氧化分解稳定性的表征。PETG的热氧化分解稳定性较其热分解稳定性要差，但两者相差不大。

Partially substituting for ethylene glycol ( EG ), 1,4-cyclohexanedimethanol ( CHDM ) was copolymerized with terephthalic acid ( PTA ) to produce copolyesters ( PETG ) .

以1，4-环己烷二甲醇（CHDM）部分替代乙二醇（EG）与对苯二甲酸（PTA）共聚合成共聚酯（PETG）。

First , the combining technique of bulk silicon micromachining and UV-LIGA technology was studied . 3D SU-8 photoresist standing on the silicon bump and concave microstructures as well as their metal molds and PETG replica were fabricated .

首先对体硅微加工与UV-LIGA复合工艺方法进行了研究，分别制备了SU-8胶在硅凸台上和凹槽中的三维结构，以及它们的金属模具和PETG热模压复制品。

A novel type of plastics PETG was tried to be used in hot embossing , in which the relief structures on a mold was transferred onto the surface of polymer under pressure at an elevated temperature beyond the glass transition temperature of the polymer .

通过将聚合物加热到其玻璃化温度以上，然后施加压力将模具上的图案转移到聚合物上的热压印成型方法，尝试一种新型塑料&PETG。

The cooling crystallization peak of PETG could be observed at the temperature of 185-120 ℃ when the molar fraction of CHDM was not more than 13 . 6 % , and only at the cooling rate of 2 ℃ / min could the crystallizing exothermic peak be observed .

CHDM的摩尔分数不高于13.6%时，在185-120℃范围内可以观察到PETG的冷却结晶峰，而且只有在2℃／min冷却速率下才能观察到结晶放热峰。