PTFE-g-GMA graft copolymer synthesis promoted by oxidative gamma-rays method and characterization

IF 1.8 4区 材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY MRS Communications Pub Date : 2024-06-03 DOI:10.1557/s43579-024-00573-0
Tamara B. S. Ibarra-Cervantes, Guadalupe G. Flores-Rojas, Eduardo Mendizabal, Emilio Bucio
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Abstract

The functionalization of polymeric matrices through graft polymerization offers various advantages by providing new properties, allowing for additional chemical reactions that the matrix alone could not undergo or that would require drastic chemical conditions to occur. In this work, epoxy groups were incorporated through a graft polymer of poly(glycidyl methacrylate), using a prefunctionalization with peroxide groups in the polytetrafluoroethylene matrix through gamma radiation. These peroxide groups were subsequently used as radical chemical initiators in the graft polymerization reaction of glycidyl methacrylate. The graft polymerization reaction was studied based on the absorbed dose, monomer concentration, reaction time, and temperature.

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氧化伽马射线法促进的 PTFE-g-GMA 接枝共聚物合成及其表征
通过接枝聚合对聚合物基质进行官能化具有各种优势,可以提供新的特性,允许进行基质本身无法进行或需要在苛刻的化学条件下才能进行的额外化学反应。在这项工作中,通过伽马射线对聚四氟乙烯基质中的过氧化物基团进行预官能化,在聚甲基丙烯酸缩水甘油酯的接枝聚合物中加入了环氧基团。这些过氧化物基团随后被用作甲基丙烯酸缩水甘油酯接枝聚合反应中的自由基化学引发剂。根据吸收剂量、单体浓度、反应时间和温度对接枝聚合反应进行了研究。
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来源期刊
MRS Communications
MRS Communications MATERIALS SCIENCE, MULTIDISCIPLINARY-
CiteScore
2.60
自引率
10.50%
发文量
166
审稿时长
>12 weeks
期刊介绍: MRS Communications is a full-color, high-impact journal focused on rapid publication of completed research with broad appeal to the materials community. MRS Communications offers a rapid but rigorous peer-review process and time to publication. Leveraging its access to the far-reaching technical expertise of MRS members and leading materials researchers from around the world, the journal boasts an experienced and highly respected board of principal editors and reviewers.
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