LIVING RADICAL POLYMERIZATION;
VISIBLE-LIGHT;
VINYL ETHERS;
ACTIVATION;
PPM;
D O I:
10.1039/d0py01100b
中图分类号:
O63 [高分子化学(高聚物)];
学科分类号:
070305 ;
080501 ;
081704 ;
摘要:
Recent developments in photocontrolled polymerizations have facilitated the development of previously inaccessible materials. While photocontrolled radical polymerizations have been extensively studied, related processes involving cationic polymerizations are underexplored and limited to RAFT processes. In this study, we disclose a visible light, temporally controlled cationic polymerization of vinyl ethers utilizing thioacetals and a photoredox catalyst. We demonstrate a broad scope of thioacetal initiators that achieve a well-controlled polymerization by recapping propagating chains via photocatalyst turnover in combination with a degenerate chain transfer process through sulfonium intermediates. Furthermore, we show that a photocatalyst with a more reducing ground state reduction potential allows for enhanced control and excellent temporal regulation of polymerization.
机构:
Inst Basic Sci IBS, Ctr Catalyt Hydrocarbon Functionalizat, Daejeon 34141, South Korea
Korea Adv Inst Sci & Technol KAIST, Dept Chem, Daejeon 34141, South KoreaInst Basic Sci IBS, Ctr Catalyt Hydrocarbon Functionalizat, Daejeon 34141, South Korea
Wang, Qing
Kweon, Jeonguk
论文数: 0引用数: 0
h-index: 0
机构:
Inst Basic Sci IBS, Ctr Catalyt Hydrocarbon Functionalizat, Daejeon 34141, South Korea
Korea Adv Inst Sci & Technol KAIST, Dept Chem, Daejeon 34141, South KoreaInst Basic Sci IBS, Ctr Catalyt Hydrocarbon Functionalizat, Daejeon 34141, South Korea
Kweon, Jeonguk
Kim, Dongwook
论文数: 0引用数: 0
h-index: 0
机构:
Inst Basic Sci IBS, Ctr Catalyt Hydrocarbon Functionalizat, Daejeon 34141, South Korea
Korea Adv Inst Sci & Technol KAIST, Dept Chem, Daejeon 34141, South KoreaInst Basic Sci IBS, Ctr Catalyt Hydrocarbon Functionalizat, Daejeon 34141, South Korea
Kim, Dongwook
Chang, Sukbok
论文数: 0引用数: 0
h-index: 0
机构:
Inst Basic Sci IBS, Ctr Catalyt Hydrocarbon Functionalizat, Daejeon 34141, South Korea
Korea Adv Inst Sci & Technol KAIST, Dept Chem, Daejeon 34141, South KoreaInst Basic Sci IBS, Ctr Catalyt Hydrocarbon Functionalizat, Daejeon 34141, South Korea
机构:
Seoul Natl Univ, Dept Chem & Biol Engn, Seoul 151742, South KoreaSeoul Natl Univ, Dept Chem & Biol Engn, Seoul 151742, South Korea
Sohn, Hae-Sung
Kim, Dong-Gyun
论文数: 0引用数: 0
h-index: 0
机构:
Seoul Natl Univ, Dept Chem & Biol Engn, Seoul 151742, South KoreaSeoul Natl Univ, Dept Chem & Biol Engn, Seoul 151742, South Korea
Kim, Dong-Gyun
Lee, Aeri
论文数: 0引用数: 0
h-index: 0
机构:
Seoul Natl Univ, Dept Chem & Biol Engn, Seoul 151742, South KoreaSeoul Natl Univ, Dept Chem & Biol Engn, Seoul 151742, South Korea
Lee, Aeri
Lee, Jae-Woo
论文数: 0引用数: 0
h-index: 0
机构:
Dongjin Semichem Co Ltd, Elect Mat Div, Hwasung City 445935, Kyungki Do, South KoreaSeoul Natl Univ, Dept Chem & Biol Engn, Seoul 151742, South Korea
Lee, Jae-Woo
Kim, Jeong-Sik
论文数: 0引用数: 0
h-index: 0
机构:
Dongjin Semichem Co Ltd, Elect Mat Div, Hwasung City 445935, Kyungki Do, South KoreaSeoul Natl Univ, Dept Chem & Biol Engn, Seoul 151742, South Korea
Kim, Jeong-Sik
Kim, Jae-Hyun
论文数: 0引用数: 0
h-index: 0
机构:
Dongjin Semichem Co Ltd, Elect Mat Div, Hwasung City 445935, Kyungki Do, South KoreaSeoul Natl Univ, Dept Chem & Biol Engn, Seoul 151742, South Korea
Kim, Jae-Hyun
Lee, Jong-Chan
论文数: 0引用数: 0
h-index: 0
机构:
Seoul Natl Univ, Dept Chem & Biol Engn, Seoul 151742, South KoreaSeoul Natl Univ, Dept Chem & Biol Engn, Seoul 151742, South Korea
机构:
Inst Basic Sci IBS, Ctr Catalyt Hydrocarbon Functionalizat, Daejeon 34141, South Korea
Korea Adv Inst Sci & Technol KAIST, Dept Chem, Daejeon 34141, South KoreaInst Basic Sci IBS, Ctr Catalyt Hydrocarbon Functionalizat, Daejeon 34141, South Korea
Wang, Qing
Kweon, Jeonguk
论文数: 0引用数: 0
h-index: 0
机构:
Inst Basic Sci IBS, Ctr Catalyt Hydrocarbon Functionalizat, Daejeon 34141, South Korea
Korea Adv Inst Sci & Technol KAIST, Dept Chem, Daejeon 34141, South KoreaInst Basic Sci IBS, Ctr Catalyt Hydrocarbon Functionalizat, Daejeon 34141, South Korea
Kweon, Jeonguk
Kim, Dongwook
论文数: 0引用数: 0
h-index: 0
机构:
Inst Basic Sci IBS, Ctr Catalyt Hydrocarbon Functionalizat, Daejeon 34141, South Korea
Korea Adv Inst Sci & Technol KAIST, Dept Chem, Daejeon 34141, South KoreaInst Basic Sci IBS, Ctr Catalyt Hydrocarbon Functionalizat, Daejeon 34141, South Korea
Kim, Dongwook
Chang, Sukbok
论文数: 0引用数: 0
h-index: 0
机构:
Inst Basic Sci IBS, Ctr Catalyt Hydrocarbon Functionalizat, Daejeon 34141, South Korea
Korea Adv Inst Sci & Technol KAIST, Dept Chem, Daejeon 34141, South KoreaInst Basic Sci IBS, Ctr Catalyt Hydrocarbon Functionalizat, Daejeon 34141, South Korea
机构:
Seoul Natl Univ, Dept Chem & Biol Engn, Seoul 151742, South KoreaSeoul Natl Univ, Dept Chem & Biol Engn, Seoul 151742, South Korea
Sohn, Hae-Sung
Kim, Dong-Gyun
论文数: 0引用数: 0
h-index: 0
机构:
Seoul Natl Univ, Dept Chem & Biol Engn, Seoul 151742, South KoreaSeoul Natl Univ, Dept Chem & Biol Engn, Seoul 151742, South Korea
Kim, Dong-Gyun
Lee, Aeri
论文数: 0引用数: 0
h-index: 0
机构:
Seoul Natl Univ, Dept Chem & Biol Engn, Seoul 151742, South KoreaSeoul Natl Univ, Dept Chem & Biol Engn, Seoul 151742, South Korea
Lee, Aeri
Lee, Jae-Woo
论文数: 0引用数: 0
h-index: 0
机构:
Dongjin Semichem Co Ltd, Elect Mat Div, Hwasung City 445935, Kyungki Do, South KoreaSeoul Natl Univ, Dept Chem & Biol Engn, Seoul 151742, South Korea
Lee, Jae-Woo
Kim, Jeong-Sik
论文数: 0引用数: 0
h-index: 0
机构:
Dongjin Semichem Co Ltd, Elect Mat Div, Hwasung City 445935, Kyungki Do, South KoreaSeoul Natl Univ, Dept Chem & Biol Engn, Seoul 151742, South Korea
Kim, Jeong-Sik
Kim, Jae-Hyun
论文数: 0引用数: 0
h-index: 0
机构:
Dongjin Semichem Co Ltd, Elect Mat Div, Hwasung City 445935, Kyungki Do, South KoreaSeoul Natl Univ, Dept Chem & Biol Engn, Seoul 151742, South Korea
Kim, Jae-Hyun
Lee, Jong-Chan
论文数: 0引用数: 0
h-index: 0
机构:
Seoul Natl Univ, Dept Chem & Biol Engn, Seoul 151742, South KoreaSeoul Natl Univ, Dept Chem & Biol Engn, Seoul 151742, South Korea