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- Polyester amide polyols were synthesized from adipic acid and RDEA which was the mixed polyol of aliphatic alcohol amide prepared with rapeseed oil and diethanolamine. 以菜籽油和二乙醇胺为原料制备了脂肪醇酰胺混合多元醇RDEA,进一步和己二酸等原料反应合成了系列的聚酯酰胺多元醇,并对两类多元醇进行了表征。
- Physical properties and biodegradability of copolyester varied with chain length of aliphatic polyester segment and atacticity of copolyester. 随脂肪族酯链段的长度和共聚酯无规立构度的变化,共聚酯的物理性能(强度、柔韧性)和降解性能发生明显的变化。
- Trimethoxysilane Terminated Reaction of Aliphatic Polyester(Amide) and the Preparation of the Polyester(Amide)/SiO_2 Hybrid Film 脂肪族聚(酰胺)酯的硅氧烷基化及聚(酰胺)酯/SiO_2杂化膜的制备
- The hydrophilicity of polyesters could be raised after introducing macromolecular hydrophilic radical via copolymerization of aliphatic polyester starch with polyethylene glycol. 在聚酯中引入亲水基大分子(即将脂肪族聚酯淀粉共混或与聚乙二醇共聚合)可改善聚酯的亲水性能。
- Biodegradation of Modified Aliphatic Polyester 改性脂肪族聚酯的生物降解性研究
- The present article reviews recent advances in synthesis of biodegradable polyesters, which include aliphatic polyester and polyester containing aromatic constituents, by polycondensation from the standpoint of molecular design. 摘要本文从分子设计的角度,综述了缩聚法合成生物可降解聚酯的研究进展,涉及脂肪族聚酯和含有芳香组分聚酯的合成。
- The processability of polyesters could be improved significantly after incorporating stiff chain segment through copolymerization of aliphatic polyester with aromatic liquid crystal element. 在聚酯中引入刚性链段(即将脂肪族聚酯与芳香族、液晶基元共聚合)可改善聚酯的加工性能;
- Aliphatic polyesters are not used for fiber production, because of their low melting points. 脂肪族聚酯没有用来生产纤维,可能是熔点低的缘故。
- The paper introduces the synthesis method of aliphatic polyesters and the mechanism of the degradation. 脂肪族聚酯由于其生物降解性和经济性,已成为国内外降解材料研究的热点。
- The biodegradable aliphatic polyesters such as PLA and its homologues have been developed and will be“ Green Material” in 21 century. 一类以聚乳酸及其同系物为代表的、可生物降解的新型合成脂肪族聚酯则有可能成为21世纪的一种“绿色材料”。
- Application of aliphatic polyester as biomaterial trestle 脂肪族聚酯类生物合成支架材料的应用
- He drank off the flagon of wine amid their cheers. 在他们的喝彩声中他喝了一大瓶酒。
- Linear aliphatic polyesters with the lower melting temperature was more susceptible to biodegradation than the linear aliphatic polyesters with the higher melting temperature. 线性脂肪聚酯中的降解性同熔点和亲水性都有关系。
- An Overview of the Global Market for Aliphatic Polyester Polyols 全球脂肪族聚酯多元醇市场
- Synthesis of Vegetable Oil Based Polyester Amide Polyols and Its Application in Water-borne PU 植物油基聚酯酰胺多元醇的合成及其在水性聚氨酯中的应用
- He sat down amid deafening applause. 他在震耳欲聋的掌声中就坐。
- Study of Aliphatic Polyester Aqueous Polyurethane Dispersions 脂肪族水性聚氨酯乳液的研究
- SYNTHESIS AND CRYSTALLIZIABLE PROPERTIES OF ALIPHATIC POLYESTER 脂肪族聚酯的合成与结晶性能
- He kept calm amid all these excitements. 他在这些使人激动的事件中保持镇静。
- She left amid a swarm of photographers. 她离开时一群摄影记者围着她。