期刊
JOURNAL OF POLYMERS AND THE ENVIRONMENT
卷 18, 期 4, 页码 661-667出版社
SPRINGER
DOI: 10.1007/s10924-010-0221-0
关键词
Cellulose esters derivatives; Hydrophilic polymers; Structural characterization; Thermal properties
资金
- CNPq
- CAPES
- TEC-NORTE
The chemical modification of Acrylamidomethyl Cellulose Acetate Propionate (AMCAP) was carried out by radical addition of acrylic acid. The structural modification was confirmed with the aid of FTIR, MS and NMR techniques. Thermal properties of hydrophilic cellulose derivative (AMCAP-H2O2) such as glass transition (T-g 153 A degrees C) and thermal stability (372.7 A degrees C) were determined by DSC and TGA techniques, respectively. These thermal properties confirmed the introduction of carboxylic groups into AMCAP structure, which causes an impact in their properties. The AMCAP-H2O2 shows minor contact angle compared to AMCAP, giving a more hydrophilic characteristic, due to acrylic acid addition into the side chains of AMCAP polymer.
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