ICCAS OpenIR
Rheology and thermal transition state of polyvinyl alcohol-cassava starch blends
Sin, Lee Tin1; Rahmat, A. R.1; Rahman, W. A. W. A.1; Sun, Zhao-Yan2; Samad, A. A.3
2010-07-07
Source PublicationCARBOHYDRATE POLYMERS
ISSN0144-8617
Volume81Issue:3Pages:737-739
AbstractThis communication focuses to unveil the molten behaviour of biodegradable polyvinyl alcohol (PVOH) blending with native cassava starch (CSS). Different percentages of CSS were blended with glycerol plasticized PVOH (PPV) to study the shear rate-viscosity at 190 degrees C and the thermal transition state at 200 bar (20.265 MPa). The outcomes showed that the viscosities of PPV-CSS compounds reduced as the PPV composition increased. This indicates that the addition of PPV helps to improve the processability of thermoplastic starch compound. On the other hand, a higher percentage of CSS would disrupt the transition of specific volumes at the molten stage (160-180 degrees C) of PPV-CSS compounds. The transition was lowered due to the loss of crystallinity in PPV. It is postulated that injection moulding of PPV-CSS blends has lower volume shrinkage than PPV due to lower thermal transition and crystallinity of the compounds. (C) 2010 Elsevier Ltd. All rights reserved.
KeywordCassava Starch Polyvinyl Alcohol Rheology Thermal Transition
DOI10.1016/j.carbpol.2010.03.044
Indexed BySCI
Language英语
WOS IDWOS:000278720200035
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:14[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/69762
Collection中国科学院化学研究所
Corresponding AuthorSin, Lee Tin
Affiliation1.Univ Teknol Malaysia, Dept Polymer Engn, Fac Chem & Nat Resources Engn, Utm Skudai 81310, Johor, Malaysia
2.Chinese Acad Sci, State Key Lab Polymer Phys & Chem, Changchun Inst Appl Chem, Changchun 130022, Peoples R China
3.Univ Teknol Malaysia, Dept Modern Languages, Fac Management & Human Resource Dev, Utm Skudai 81310, Johor, Malaysia
Recommended Citation
GB/T 7714
Sin, Lee Tin,Rahmat, A. R.,Rahman, W. A. W. A.,et al. Rheology and thermal transition state of polyvinyl alcohol-cassava starch blends[J]. CARBOHYDRATE POLYMERS,2010,81(3):737-739.
APA Sin, Lee Tin,Rahmat, A. R.,Rahman, W. A. W. A.,Sun, Zhao-Yan,&Samad, A. A..(2010).Rheology and thermal transition state of polyvinyl alcohol-cassava starch blends.CARBOHYDRATE POLYMERS,81(3),737-739.
MLA Sin, Lee Tin,et al."Rheology and thermal transition state of polyvinyl alcohol-cassava starch blends".CARBOHYDRATE POLYMERS 81.3(2010):737-739.
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