Journal
JOURNAL OF POLYMERS AND THE ENVIRONMENT
Volume 18, Issue 4, Pages 661-667Publisher
SPRINGER
DOI: 10.1007/s10924-010-0221-0
Keywords
Cellulose esters derivatives; Hydrophilic polymers; Structural characterization; Thermal properties
Categories
Funding
- CNPq
- CAPES
- TEC-NORTE
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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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