Synthesis of Poly(glycidyl methacrylate)-block-Poly(pentafluorostyrene) by RAFT: Precursor to Novel Amphiphilic Poly(glyceryl methacrylate)-block-Poly(pentafluorostyrene)

Gudipati CS; Tan MBH; Hussain H; Liu Y; He C; Davis TP

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Synthesis of Poly(glycidyl methacrylate)-block-Poly(pentafluorostyrene) by RAFT: Precursor to Novel Amphiphilic Poly(glyceryl methacrylate)-block-Poly(pentafluorostyrene)

机译：RAFT合成聚（甲基丙烯酸缩水甘油酯）-嵌段-五氟苯乙烯：新型两亲性聚（甲基丙烯酸甘油酯）-嵌段-（五氟苯乙烯）的前体

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Poly(glycidyl methacrylate) (PGMA) was synthesized by the RAFT method in the presence of 2-cyanoprop-2-yl dithiobenzoate (CPDB) chain transfer agent using different [GMA]/[CPDB] molar ratios. The living radical polymerization resulted in controlled molecular weights and narrow polydispersity indices (PDI) of approximate to 1.1. The polymerization of pentafluorostyrene (PFS) with PGMA as the macro-RAFT agent yielded narrow PDIs of <= 1.2 at 60 degrees C and <= 1.5 at 80 degrees C. The epoxy groups of the PGMA block were hydrolyzed to obtain novel amphiphilic copolymer, poly(glyceryl methacrylate)-block-poly (pentafluorostyrene) [PGMA(OH)-b-PPFS]. The PGMA epoxy group hydrolysis was confirmed by H-1 NMR and FTIR spectroscopy. DSC investigation revealed that the PGMA-b-PPFS polymer was amorphous while the PGMA(OH)-b-PPFS displayed a high degree of crystallinity.

机译：在2-氰基丙-2-基二硫代苯甲酸酯（CPDB）链转移剂存在下，使用不同的[GMA] / [CPDB]摩尔比，通过RAFT方法合成了聚甲基丙烯酸缩水甘油酯（PGMA）。活性自由基聚合导致受控的分子量和接近1.1的窄多分散指数（PDI）。用PGMA作为大分子RAFT试剂进行的五氟苯乙烯（PFS）聚合产生的窄PDI在60摄氏度时<= 1.2，在80摄氏度时<= 1.5。水解PGMA嵌段的环氧基，得到新型两亲共聚物，聚（甲基丙烯酸甘油酯）-嵌段-聚（五氟苯乙烯）[PGMA（OH）-b-PPFS]。通过H-1 NMR和FTIR光谱确认了PGMA环氧基的水解。 DSC研究表明，PGMA-b-PPFS聚合物是无定形的，而PGMA（OH）-b-PPFS则显示出很高的结晶度。

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《Macromolecular rapid communications: Publishing the newsletters of the European Polymer Federation》 |2008年第23期|共6页
作者
Gudipati CS; Tan MBH; Hussain H; Liu Y; He C; Davis TP;
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正文语种 eng
中图分类高分子化学（高聚物）;
关键词
amphiphilic diblock copolymers; CPDB; glyceryl methacrylate; glycidyl methacrylate; living radical polymerization; NMR; 2; 3; 4; 5; 6-pentafluorostyrene; RAFT polymerization; synthesis; CROSS-LINKED MICELLES; LIVING RADICAL POLYMERIZATION; CHAIN TRANSFER AGENTS; BLOCK-COPOLYMERS; STAR POLYMERS; ONE-POT; STYRENE; METHACRYLATE; COMB; ACID;

机译：两亲性二嵌段共聚物;CPDB;甲基丙烯酸甘油酯;甲基丙烯酸缩水甘油酯;自由基聚合;NMR;2;3;4;5;6-五氟苯乙烯;RAFT聚合;合成;交联胶束;活性自由基聚合;链转移剂;嵌段共聚物共聚物;星型聚合物;一罐;苯乙烯;甲基丙烯酸酯;梳子;酸;

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机译：RAFT合成聚（甲基丙烯酸缩水甘油酯）-嵌段-五氟苯乙烯：新型两亲性聚（甲基丙烯酸甘油酯）-嵌段-（五氟苯乙烯）的前体
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Synthesis of Poly(glycidyl methacrylate)-block-Poly(pentafluorostyrene) by RAFT: Precursor to Novel Amphiphilic Poly(glyceryl methacrylate)-block-Poly(pentafluorostyrene)

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