glass transition temperature

Finally, we get the laminating process about polyimide materials and the excellent properties of polyimide to epoxy laminate such as heat resistance, thermal shock and glass transition temperature ( Tg) are discussed also.

最后，比较了聚酰亚胺层压板和环氧板在耐温性、热冲击、玻璃转化温度等方面的优异性能。

The thermoplastic acrylic resin with a certain glass transition temperature was prepared by choosing reasonable ratio of monomers. As the coatings binder for ABS plastics, It has good physical property and alcohol resistance.

通过选择合理的原料单体配比制备具一定玻璃化温度的热塑性丙烯酸树脂，作为ABS塑料用涂料的基料，具有较好的物理性能以及优良的耐醇性。

The influence of glass transition temperature and homogeneity of polymer membrane on the responding feature of electrodes were also discussed.

本文还讨论了聚合物的玻璃化转变温度和膜的均匀性对电极性能的影响。

DMA showed that the modified WPU has a higher glass transition temperature.

DMA表明，改性后聚氨酯交联密度增大，具有较高的玻璃化转变温度。

Relationship between test frequency and glass transition temperature was studied for four TATB based PBXs and their binders ( fluoropolymers), by using dynamic mechanical analysis ( DMA) method.

用动态力学分析（DMA）方法，研究了四种TATB基PBX及其粘结剂（氟聚物）的测量频率与玻璃化温度的关系。

The results show that there is no chemical bond between PAN and Fe_3O_4, but addition of ferrosoferric oxide can increase the decomposition temperature of PAN and do not change the glass transition temperature of PAN.

结果表明，在PAN膜中添加四氧化三铁对玻璃化温度没有影响，但能提高PAN环化脱氢反应的温度和分解温度；

The relationship of B's thermal degradation and glass transition temperature with the percent of azide substitution is studied.

研究了不同叠氮取代率的叠氮聚醚多元醇的热分解行为和玻璃化温度，发现叠氮聚醚多元醇热分解分两步进行：第一步为255.06′C时，叠氮基团分解；

Through DSC analysis, the etherified straw showed glass transition temperature, which indicated the straw has been partly modified into thermoplastic material.

通过差示扫描量热分析可以看出醚化稻草具有玻璃化转变温度，说明稻草部分被改性成热塑性材料。

Determining the glass transition temperature of amorphous powders with dilatometer

用热膨胀法测量非晶态粉体的玻璃化转变温度

DSC results showed that the glass transition temperature of COL was 176 ° C, and thermal stability declined slightly comparing with BC. COL/ BC displayed a good thermal stability which could meet the sterilization requirements of biomedical materials at 121 ° C.

DSC结果显示，在176°C条件下出现了胶原的玻璃化转变，与BC相比稍有下降，但仍能满足生物医用材料121°C灭菌的要求，热稳定性能良好。

The thermal deformation temperature and glass transition temperature increased by 30 ℃ and 11.5 ℃ respectively;

热变形温度和玻璃化转变温度分别提高30℃和11.5℃；

High contrast ratio was gained by distracting glass transition temperature ( Tg) of core polymer;

降低核的玻璃化温度（Tg），可以提高聚合物的对比率；

The glass transition temperature Tg, melt point Tm, thermogravimetric curve, tensile strength and degradation rate of this blend were determined by DSC, TGA, tensile test and degradation test.

用差示扫描量热法、热重分析法和拉伸试验法等测定了CDA&PLLGA的玻璃化温度、熔点、热失重性能、拉伸强度和降解性能。

However, low glass transition temperature, poor mechanical performance and degradation in thermal processing, greatly limit its applications.

然而，由于其玻璃化转变温度较低，力学性能较差，同时在热加工过程中易发生降解，大大地限制了其应用范围。

DSC and DMA tests showed that the blends exhibited a single glass transition temperature, which indicated that PC and PARL were completely miscible.

熔融共混法制备的PC/PARL具有良好的透明性，DSC和DMA测试表明其具有单一的玻璃化转变温度，说明PC与PARL具有良好的相容性。

Phenolic aldehyde epoxy resin exhibits high radiation reactivity, and its high temperature modulus and glass transition temperature ( Tg) after curing is higher than that of bisphenol A epoxy resin.

酚醛型环氧树脂辐射反应活性高，固化后的高温模量及玻璃化转变温度高于双酚A型环氧树脂，但固化度沿辐射深度方向下降较快。

In DSC measurements, the second heating run was used to eliminate the effect of solvents and heat history on glass transition temperature ( Tg), and also physical aging was used to improve the sensitivity of Tg measurements by enhancing the enthalpy endothermal peaks.

DSC法中采用二次扫描以消除溶剂和热历史的影响，并利用物理老化方法来增强N-烷基壳聚糖在DSC曲线上的玻璃化转变区域的热焓吸热峰，以克服DSC法的不灵敏性。

The miscibility of PVDF blends in N, N-dimethyl acetamide ( DMAC) were characterized by solubility parameter, glass transition temperature and viscosity, etc. The result showed PVDF/ PMMA blend system is completely miscible while PVDF/ PSA blend system is partially miscible.

利用溶解度参数法、绝对粘度法、玻璃化转变温度法等方法确定了共混体系的相容性：PVDF／PMMA共混体系为完全相容体系，PVDF／PSA共混体系为部分相容体系。

Under ultrasound, the glass transition temperature of PLA fiber and a crystals has no change. And crystallinity of this fiber rises.

超声波作用下的聚乳酸纤维，其玻璃化转变温度T_g变化不大，结晶度增大，α晶型没有变化。

Its glass transition temperature and weight loss temperature was higher than 320 ℃ and 435 ℃, respectively.

玻璃化转变温度大于320℃，5%热失重温度大于435℃。

Coil coatings was thermal analyzed and researched with DSC in order to test glass transition temperature ( Tg) of the paint film at the maximum precoated metal temperature ( PMT) and determine the optimal curing conditions of different coil coatings.

采用DSC进行卷材涂料热分析研究，测试在不同PMT（最高金属板温）下漆膜的Tg，以确定各种卷材涂料的最佳固化条件。

Thermal analysis results showed that there was no influence of POE and SiO2 on the glass transition temperature and melting point of PLA.

热分析研究结果发现，弹性体POE和无机纳米SiO2粒子对PLA的玻璃化转变温度和熔点的影响不大。

Not only these, PMMA/ nano-SiO2 composite materials have also enhanced thermal stability, glass transition temperature increased from 104.85 ℃ to 119.3 ℃, vicat softening temperature increased by 13 ℃.

不仅如此，PMMA/nano-SiO2复合材料的热稳定性也得到增强，玻璃化转变温度由原来的104.85℃升高为119.3℃，维卡软化点也提高了13℃。

Besides, VTF equation was applied in fitting and calculating the glass transition temperature of PVP when the heating rate is infinitesimal. The result is in accordance with the rule that the glass transition temperature lowers with the decrease of the heating rate.

还利用VTF方程拟合计算PVP在升温速率无限小情况下的玻璃化转变温度，结果与玻璃化温度随升温速率减小而降低的规律一致。

And by means of Fourier infrared spectrometer, the glass transition temperature of the tester and transmission electron microscopy on the structure of polymer was characterized.

并借助傅立叶红外光谱仪、玻璃化温度测试仪、透射电镜等对聚合物的结构进行了表征。

The decreasing of crosslink density made the glass transition temperature increase, and the tensile breaking strength and tensile elongation at break decrease.

聚合物交联密度下降使材料玻璃化转变温度提高，拉伸断裂强度和拉伸断裂伸长率下降。

Determination of the glass transition temperature of poly ( vinyl alcohol) by inverse gas chromatographic method

反相气相色谱法测定聚乙烯醇的玻璃化温度

Theoretical Prediction of Glass Transition Temperature of 1,2-propanediol Aqueous Solution

1,2-丙二醇水溶液玻璃化温度的理论预测

Analysis and comparison of the form of crystallization peak and the temperature difference(△ T) between crystallization temperature Tx and glass transition temperature Tg were made to determine the thermally stable glass composition zone in the glass-forming region.

以玻璃析晶峰的形状以及玻璃析晶温度Tx与玻璃转变Tg的差△T为参数，确定了具有较好析晶稳定性的组成区。

After discussing flow behaviors of polymers near the glass transition temperature, the mathematical model of heat transmission through thermal medium and the mathematical model of pressure distribution within polymer were studied.

在分析塑料玻璃化温度附近的流变行为基础上，研究了微通道热压过程中的材料传热数学模型、应力场分布数学模型。