Pickering emulsion of metal-free photoinduced electron transfer-ATRP stabilized by cellulose nanocrystals

The development of metal-free photoinduced electron transfer-atom transfer radical polymerization (PET-ATRP) in Pickering emulsion by cellulose nanocrystals (CNCs) has successfully investigated. In the presence of ethyl 2-bromoisobutyrate (initiator) and triethylamine (additives), Eosin Y (photocata...

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Bibliographic Details
Published in:Cellulose (London) 2019-07, Vol.26 (10), p.5947-5957
Main Authors: Wang, Guanglin, Xi, Mengzhen, Bai, Liangjiu, Liang, Ying, Yang, Lixia, Wang, Wenxiang, Chen, Hou, Yang, Huawei
Format: Article
Language:English
Subjects:
Additives
Bioorganic Chemistry
Cellulose
Ceramics
Chemistry
Chemistry and Materials Science
Composites
Control stability
Electron transfer
Emulsion polymerization
Glass
Nanocrystals
Natural Materials
Organic Chemistry
Original Research
Physical Chemistry
Polymer Sciences
Polymerization
Polymethyl methacrylate
Sustainable Development
Triethylamine
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Summary:The development of metal-free photoinduced electron transfer-atom transfer radical polymerization (PET-ATRP) in Pickering emulsion by cellulose nanocrystals (CNCs) has successfully investigated. In the presence of ethyl 2-bromoisobutyrate (initiator) and triethylamine (additives), Eosin Y (photocatalyst) can effectively achieve the controllable polymerization of methyl methacrylate utilize CNCs as stabilizer. The polymerization in Pickering emulsion has relatively higher stability. The polymerizations of MMA showed typical “living”/controlled characteristics with controlled molecular weights (150,100–219,100 g/mol) and low M w /M n (1.10–1.25). CNCs can not only be recycled, but also can be applicable as one of the most robust “green” emulsifier for PET-ATRP in Pickering emulsion. Graphic abstract
ISSN:0969-0239
1572-882X
DOI:10.1007/s10570-019-02528-4