1) Preirradiation grafting
预辐射接枝
1.
In this article, a kind of weak acid ion exchange fiber was obtained by means of γ-ray preirradiation grafting copolymerization, and the conditions for the preirradiation grafting reaction was discussed.
用γ_射线预辐射接枝共聚的方法制备了一种弱酸型阳离子交换纤维PVF_g_AA ,分析了温度、时间、单体浓度、交联剂以及预辐照剂量和辐照后PVF的保存时间对接枝共聚反应的影响 。
2.
A kind of weak acid cation exchange fiber is obtained by means of ?ray preirradiation grafting copolymerization, and the conditions for the preirradiation grafting reaction are discussed.
采用r-射线预辐射接枝共聚的方法制备了一种弱酸型阳离子交换纤维PVF-g-AA,并研究了影响接枝共聚反应的条件。
2) Pre-irradiation grafting
预辐射接枝
1.
A study was made on the preparation of the cation-exchange membranes including sulfonate and carboxylic acid groups by pre-irradiation grafting of acrylic acid(AA) and sodium styrene sulfonate(SSS) onto high-density polyethylene(HDPE).
利用电子束引发预辐射接枝技术,在高密度聚乙烯(HDPE)上接枝丙烯酸(AA)和对苯乙烯磺酸钠(SSS),制备一种含羧酸基团和磺酸基团的双功能基阳离子交换膜,详细研究了反应温度、单体总浓度、pH值变化及溶剂类型对接枝率的影响规律,明确了实验条件与接枝率的对应关系。
3) oxygen pre-irradiation
有氧预辐射接枝
1.
The radiation grafting methods of producing ion-exchange fiber were introduced, including co-irradiation grafting, non-oxygen pre-irradiation grafting and oxygen pre-irradiation grafting.
介绍了辐射接枝生产离子交换纤维的主要方法 :共辐射接枝法、无氧预辐射接枝法和有氧预辐射接枝法。
4) Radiation graft
辐射接枝
1.
Study on Radiation Graft and Complex Finishing with Chitosan, Citric Acid to Silk Fabric;
真丝织物辐射接枝改性及壳聚糖柠檬酸复合整理的研究
2.
Some factors affecting radiation grafting in solid state powdery HDPE like dose,dose rate,monomer kinds,were investigated in detail.
引 言在过去 2 0年中 ,聚乙烯 (PE)的辐射接枝被广泛研究 ,主要集中在对聚乙烯膜或片体在溶液中的接枝研究 ,而有关聚乙烯粉末固相辐射接枝的研究却很少[1] 。
3.
Weakly acidic cation exchange fiber(PP-g-AA) is prepared by co-irradiation grafting of acrylic acid onto PP noworen fabric via 60Co-γ radiation source.
以聚丙烯无纺布为基体,通过γ射线共辐射接枝丙烯酸制备了弱酸性阳离子交换纤维(PP-g-AA),以该纤维作为固相萃取吸附剂,富集水中的微量铁(Ⅲ)离子。
5) irradiation grafting
辐射接枝
1.
Irradiation Grafting Modification of PP and Its Application;
聚丙烯辐射接枝改性及其应用
2.
Antibacterial cellulose fiber grafted with quaternary ammonium salts by irradiation grafting
季铵盐型抗菌纤维素纤维的辐射接枝聚合
3.
The hygroscopicity of polyester fiber was improved by irradiation grafting modification after soaking and swelling in m-cresol and in the solution system of benzophenone and acetone successively.
经间甲酚浸泡溶胀后,采用二苯甲酮(BP)的丙酮溶液浸泡,紫外光辐射接枝改性聚酯纤维的吸湿性,研究了辐射接枝条件对纤维回潮率的影响。
补充资料:预辐射接枝
分子式:
CAS号:
性质:将聚合物A在有氧或真空下进行辐照,然后将辐照过的聚合物A浸入单体B中进行接枝反应。优点是:辐照与接枝分步进行,接枝单体不直接接受辐射能,因此最大限度地减少了射线引发了均聚反应;由于辐照与接枝是两个独立的过程,因此即使研究单位和生产单位没有辐照装置和相应的专业人员,也可用该方法进行生产和研究。缺点是聚合物自由基的利用效率较低。
CAS号:
性质:将聚合物A在有氧或真空下进行辐照,然后将辐照过的聚合物A浸入单体B中进行接枝反应。优点是:辐照与接枝分步进行,接枝单体不直接接受辐射能,因此最大限度地减少了射线引发了均聚反应;由于辐照与接枝是两个独立的过程,因此即使研究单位和生产单位没有辐照装置和相应的专业人员,也可用该方法进行生产和研究。缺点是聚合物自由基的利用效率较低。
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参考词条