Journal
CARBOHYDRATE POLYMERS
Volume 188, Issue -, Pages 128-135Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2018.01.062
Keywords
Ethyl cellulose; Rosin; ATRP; Thermoplastic elastomer; UV-absorption
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Funding
- Central Non-profit Research Institution of CAF [CAFYBB2016ZD007]
- National Natural Science Foundation of China [31570579]
- China International Science and Technology Cooperation [2017YFE0106800, 2011DFA32440]
- Jiangsu Provincial Natural Science Foundation of China [BK20170924, BK20131070]
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Cellulose-rosin based thermoplastic elastomers with UV absorption properties were fabricated by a combination of rosin, poly(butyl acrylate) (PBA) and ethyl cellulose (EC) via graft from ATRP with the aid of EC-rosin macroinitiator (EC-g-(DA)-Br) prepared by a simple esterification reaction between EC, dehydroabietic acid (DA, one of rosin's resin acids) and 2-bromoisobutylryl bromide. The introduction of rosin affords these elastomers with UV absorption property. And the glass transition temperature of these EC-rosin grafted copolymers could be tuned by changing the content of PBA. Moreover, the introduction of PBA to EC endowed EC-g-(DA)-g-PBA with a good film-forming property and excellent thermoplastic elastomer behavior. All of these EC-rosin grafted copolymers showed an excellent UV absorption performance, and maintained outstanding UV absorption capability after continuous UV-irradiation or being heated to 115 degrees C for 1 h. As a result, these EC-rosin grafted copolymers have a potential application in coating materials with UV absorption property.
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