Characterization of Well-Defined Poly(ethylene glycol) Hydrogels Prepared by Thiol-ene Chemistry

被引：60
|
作者：
Yang, Ting [1 ,2 ]
Long, Hui [1 ,2 ]
Malkoch, Michael [1 ,2 ]
Gamstedt, E. Kristofer [3 ]
Berglund, Lars [1 ,2 ]
Hult, Anders [1 ,2 ]
机构：
[1] KTH Royal Inst Technol, Sch Chem Sci & Engn, Dept Fibre & Polymer Technol, Div Coating Technol, SE-10044 Stockholm, Sweden
[2] KTH Royal Inst Technol, Sch Chem Sci & Engn, Dept Fibre & Polymer Technol, Div Biocomposites, SE-10044 Stockholm, Sweden
[3] Uppsala Univ, Angstrom Lab, SE-75121 Uppsala, Sweden
来源：
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 2011年 / 49卷 / 18期
关键词：
crosslinking; elastic modulus; hydrogels; properties; synthesis; thiol-ene chemistry; PRIMARY CYCLIZATION; NETWORK STRUCTURE; POLYMER; RELEASE;
D O I：
10.1002/pola.24847
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Considering the large number of applications for hydrogels, a better understanding of the relation between molecular structure and mechanical properties for well-defined hydrogel is essential. A new library has been compiled of poly(ethylene glycol) polymers (PEG) of different length end functionalized with diallyl, dithiol, and dimethacrylate, and crosslinked with complementary trifunctional crosslinkers. In this study, the hydrogels were initially analyzed by FT-Raman and NMR to study the conversion ratio of the functional groups. The effects of solvent type, solid content concentration, curing time and length of the PEG chains on the final leaching, swelling and tensile properties of the hydrogels were studied. (C) 2011 Wiley Periodicals, Inc. J Polym Sci Part A: PolymChem 49: 4044-4054, 2011
引用
收藏
页码：4044 / 4054
页数：11
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