The invention relates to a metal cross-linked polyamide acid, the metal cross-linked polyimide, its system of law and the polyimide film.
本发明涉及交联的含金属的聚酰胺酸、交联的含金属的聚酰亚胺、其制法及聚酰亚胺膜。
Through the condensation polymerization of TAPOB and dianhydride, hyperbranched polyamide acid (HBPAA) and hyperbranched polyimide (HBPI) were prepared.
经过红外表征发现，反应得到了端酸酐基的超支化聚酰胺酸和超支化聚酰亚胺；
The properties of low molecule dimeric dibasic acid polyamide resin were improved by chemical modified in mass polymerization.
用本体聚合的方法，通过化学改性，使低分子二聚酸聚酰胺树脂的性能得到大幅度提高。
The thermodynamics and dynamics for adsorption of picric acid onto polyamide under static conditions were studied and the influence of temperature on the adsorption was also inspected.
在静态下，考察了温度对聚酰胺树脂吸附水溶液中苦味酸的影响，探讨了吸附的热力学、动力学规律。
Reactive dyes can impart polyamide fabric brilliant shade, good fastness especially to the sunlight, as well as the good combination with neutral and weak acid dyes.
活性染料染锦纶色泽较鲜艳，染色牢度尤其日晒牢度较好，且可与中性染料、弱酸性染料拼染，因此，色谱的选择范围较大。
Extracting glutamic acid from waste sugar by AFC99 polyamide membrane with reverse osmosis was tested with increase in extraction percentage and producing efficiency.
为进一步提高从废糖中提取谷氨酸的得率与生产能力，采用AFC99聚酰胺半透膜进行了反渗提取试验研究。
Among them, the production and sales quantities of its three leading products of industrial oleic acid, dimer acid and polyamide resin take the lead in the national industries.
其中工业油酸、二聚酸和聚酰胺树脂三大主导产品产销量均居中国行业之首。
Company is located in Longgang, Shenzhen, is the country's largest fatty acid and 2-acid, one of polyamide resin manufacturing enterprises.
公司位于深圳龙岗，是全国最大的脂肪酸及二聚酸、聚酰胺树脂生产企业之一。
Company is located in Longgang, Shenzhen, is the country's largest fatty acid and 2-acid, one of polyamide resin manufacturing enterprises.
公司位于深圳龙岗，是全国最大的脂肪酸及二聚酸、聚酰胺树脂生产企业之一。
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