Effect of a Novel Polymeric Coupling Agent on the Water Uptake Property and Warp Stability of Poly(vinyl chloride)/Bamboo Flour Composite
- Authors
- Kim, Jeong-Yeol; Peck, Jong-Hyeon; Hwang, Seok-Ho; Huh, Wansoo; Lee, Sang-Won; Hong, Sung Chul
- Issue Date
- 2009
- Publisher
- VSP BV
- Keywords
- Wood-polymer composite (WPC); coupling agent; block copolymer; nitroxide mediated polymerization (NMP); poly(vinyl chloride) (PVC)
- Citation
- COMPOSITE INTERFACES, v.16, no.7-9, pp.837 - 846
- Journal Title
- COMPOSITE INTERFACES
- Volume
- 16
- Number
- 7-9
- Start Page
- 837
- End Page
- 846
- URI
- http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/16741
- DOI
- 10.1163/092764409X12477461661987
- ISSN
- 0927-6440
- Abstract
- Water uptake property and warp stability of poly(vinyl chloride) (PVC)/bamboo flour composite were investigated employing a novel polymeric coupling agent, poly(styrene-co-maleic anhydride)-block-poly(styrene-co-acrylonitrile) {P[(SMA)-b-(SAN)]}. P[(SMA)-b-(SAN)] was synthesized through controlled/'living' radical polymerization (CRP) technique in an one-pot reaction and incorporated into the composite to improve the interfacial adhesion between PVC and bamboo flour. The structure of P[(SMA)-b-(SAN)] was confirmed by (1)H-NMR, FT-IR and GPC. PVC/bamboo flour composite sheets were then prepared from a single screw extruder and two-roll mill in the presence of P[(SMA)-b-(SAN)] coupling agent. As the content of the coupling agent increased, improved interfacial bonding between PVC and bamboo flour filler was observed. Water uptake property and warp stability were also improved in the presence of the coupling agent. These results suggest that the block copolymer successfully acted as a coupling agent in PVC/bamboo flour composites. (C) Koninklijke Brill NV, Leiden, 2009
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