Polydiacetone Acrylamide as Precursors to Polymer Side-Chain Conjugates

Hongzhen Tan; Zhipeng Yu; Junjie Xiao; Xi Wang; Chunwang Yi; Shengpei Su

doi:10.7317/pk.2018.42.4.560

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자료유형: 학술저널

저자정보: Hongzhen Tan (Hunan Normal University) Zhipeng Yu (Hunan Normal University) Junjie Xiao (Hunan Normal University) Xi Wang (Hunan Normal University) Chunwang Yi (Hunan Normal University) Shengpei Su (Hunan Normal University)

저널정보: 한국고분자학회 폴리머 폴리머 제42권 제4호

발행연도: 2018.7

수록면: 560 - 567 (8page)

DOI: 10.7317/pk.2018.42.4.560

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Polydiacetone acrylamide (PDAAM), a reactive polymer containing pendant ketone groups was synthesized via reversible addition-fragmentation chain transfer (RAFT) polymerization. Kinetic studies indicated a well-controlled behavior of this RAFT polymerization. The characteristics of this RAFT polymerization was also confirmed by a wellcontrolled chain-extending RAFT polymerization using the above-synthesized PDAAM as a macromolecular chain transfer agent. Acid-catalyzed ketalization of PDAAM with trimethylol propane (TMP) was carried out to obtain the polymer containing pendant cyclic ketal groups and hydroxyl groups, PDAAM-TMP. PCL was grafted from PDAAM-TMP by ring-opening polymerization (ROP) in the presence of tin 2-ethylhexanoate as a catalyst to obtain graft copolymer. Basecatalyzed aldol condensation of PDAAM with benzaldehyde was also used to obtain poly[N-(1,1-dimethyl-3-oxo-5-phenyl-pent-4-enyl)-acrylamide] (PDMOPPEAM) having cinnamoyl groups, and the photoreactivity of polymer with cinnamoyl group was studied by UV-visible and IR absorption spectroscopy. Both of these two polymers prepared from PDAAM were characterized by FTIR and 1H NMR spectroscopy. PDAAM can be a multifunctional platform that can undergo further polymerization by ketalization and aldol condensation.

#reversible addition fragmentation chain transfer (RAFT) #functionalization of polymers #ring-opening polymerization (ROP) #photochemistry

참고문헌 (36)

참고문헌 신청

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