共查询到17条相似文献,搜索用时 93 毫秒
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本文简略介绍了我国聚酯钮扣的生产情况。对聚酯钮扣生产的主要原料不饱和聚酯树脂性能要求进行了付论,并重点介绍了国产聚酯钮扣专用树脂TM—103A的性能和应用情况, 相似文献
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《化工经济技术信息》2008,(5):16
在环保型循环再生聚酯成为业界热点之际,日本帝人集团上周召开新闻发布会,宣称其发明的新技术可使聚酯循环再生率达100%。
帝人将其创新的聚酯产品开发、回收及循环再生系统命名为ECOCIRCLE。利用该技术,只需将待回收的聚酯纤维服装等投入设备中,就可以除去钮扣,拉链、商标等聚静以外的辅料。以及染料、着色剂等添加剂。然后还原出聚酯,再通过解聚、精制等步骤,即可生产出与石油合成工艺路线产品质量相同的聚醇原料。 相似文献
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《Ceramics International》2021,47(24):34170-34181
The potential for a large number of applications has stimulated the exploration of the preparation of wearable light-storing buttons. In this study, SrAl2O4:Eu2+, Dy3+ (SROED) was used as a long-lasting phosphorescent material, mixed with unsaturated polyester resin in proportion. A light-storing button with high stability and long afterglow time is obtained by the dispensing method. The surface and cross morphology, phase structure, photoluminescence spectrum, luminescence image, afterglow performance and mechanical hardness of the luminescent button are characterized. The results show that the luminescence performance of the phosphorescent button is significantly better than that of the original luminescent material SROED after high temperature and high humidity aging, xenon lamp aging, and thermal cycling aging test. Even in this study, the afterglow life of light-storing buttons can be maintained up to 7h. The luminescence mechanism of light-storing buttons is also discussed. This result will be very beneficial for the preparation of high-quality light-storing buttons. At the same time, it also expands the application of long afterglow materials in the field of smart wearables. 相似文献
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分析了不饱和聚酯漆漆膜绿化的原因。通过一系列实验,讨论了影响不饱和聚酯漆漆膜绿化的主要因素,提出了改善不饱和聚酯漆防绿化性的方法。 相似文献
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聚氨酯改性不饱和聚酯树脂的制备 总被引:1,自引:0,他引:1
利用二步法由二元醇、二元酸及TDI合成一种聚氨酯改性不饱和聚酯树脂,第一步由二元醇和二元酸合成以羟基封端的不饱和聚酯,第二步利用不饱和聚酯的—OH与TDI的—NCO反应合成聚氨酯改性不饱和聚酯,使得树脂分子链段上既有不饱和链节又含有聚氨酯基团,结合了聚氨酯涂料和不饱和聚酯涂料的优点,使其涂膜性能优异。试验发现TDI加入量为10%时效果最佳。 相似文献
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研究了利用聚酯下脚料生产对苯二甲酸型不饱和聚酯树脂的方法。分析了原料配比及工艺参数对产品性能的影响,将对苯二甲酸型不饱和聚酯的性能与邻苯二甲酸型不饱和聚酯及间苯二甲酸型聚酯的性能进行了比较。结论认为对苯二甲酸型不饱和聚酯树脂是一种性能良好的耐腐蚀树脂。 相似文献
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A series of unsaturated polyesters were synthesized with various chemical structures and molecular weights. These unsaturated polyesters were used to study the curing reaction with styrene by using gel permeation chromatography and differential scanning calorimetry. The variation of the size of microgel particles during the curing reaction in unsaturated polyester–styrene resins was studied by using gel permeation chromatography. The size and structure of the microgels depend strongly on the polymer chain length and the number of vinyl groups on each unsaturated polyester chain. Using the differential scanning calorimetric method, the conversion of styrene and polyester vinyl groups during the reaction was measured. The experimental results of this study revealed that microgel formation has a great effect on the curing reaction of unsaturated polyester resins. © 1994 John Wiley & Sons, Inc. 相似文献
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综述了我国涂料用不饱和聚酯树脂的合成研究进展。介绍了其合成方法和特性。提出未来涂料用不饱和聚酯树脂的发展方向。 相似文献