petg
- 网络一种透明塑料(polyethylene terephthalate glycol)
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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。
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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
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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。
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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。
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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。
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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。
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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。
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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。
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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。
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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)。
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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。
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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。
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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。