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Preparation and Physical Properties of LLDPE Grafted with Novel Nonionic Surfactants
Li, Lili1,2; Yin, Jinghua1,2; Costa, Giovanna3; Stagnaro, Paola3
2009-02-05
Source PublicationJOURNAL OF APPLIED POLYMER SCIENCE
ISSN0021-8995
Volume111Issue:3Pages:1268-1277
AbstractCopolymers of linear low-density polyethylene (LLDPE) grafted with two novel nonionic surfactants, acrylic glycerol monostearate ester (AGMS) and acrylic polyoxyethylenesorbitan monooleate ester (ATW-EEN80), containing hydrophilic and hydrophobic groups and 1-olefin double bond were prepared by using a plasticorder at 190 degrees C. To evaluate the grafting degree, two different approaches based on (1)H-NMR data were proposed, and FTIR calibration was showed to validate these methods. The rheological response of the molten polymers, determined under dynamic shear flow at small-amplitude oscillations, indicated that crosslinking formation of the chains could be decreased with increasing the monomer concentration. Their thermal behavior was studied by DSC and polarization microscope (PLM): The crystallization temperature (T(C)) of grafted LLDPE shifted to higher temperature compared with neat LLDPE because the grafted chains acted as nucleating agents. Water and glycerol were used to calculate the surface free energy of grafted LLDPE films. The results indicated that the novel polyoxyethylene surfactant ATWEEN80 could greatly improve the hydrophilicity of LLDPE and the surface free energy varied from 33 mN/m of neat LLDPE to 106 mN/m of the grafted LLDPE film. (c) 2008 Wiley Periodicals, Inc. J Appl Polym Sci 111: 1268-1277, 2009
KeywordLinear Low-density Polyethylene Nonionic Surfactant Graft Copolymers (1)H-nmr
DOI10.1002/app.29161
Indexed BySCI
Language英语
WOS IDWOS:000261660200015
PublisherJOHN WILEY & SONS INC
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/66292
Collection中国科学院化学研究所
Corresponding AuthorYin, Jinghua
Affiliation1.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.CNR, Ist Studio Macromol, I-16149 Genoa, Italy
Recommended Citation
GB/T 7714
Li, Lili,Yin, Jinghua,Costa, Giovanna,et al. Preparation and Physical Properties of LLDPE Grafted with Novel Nonionic Surfactants[J]. JOURNAL OF APPLIED POLYMER SCIENCE,2009,111(3):1268-1277.
APA Li, Lili,Yin, Jinghua,Costa, Giovanna,&Stagnaro, Paola.(2009).Preparation and Physical Properties of LLDPE Grafted with Novel Nonionic Surfactants.JOURNAL OF APPLIED POLYMER SCIENCE,111(3),1268-1277.
MLA Li, Lili,et al."Preparation and Physical Properties of LLDPE Grafted with Novel Nonionic Surfactants".JOURNAL OF APPLIED POLYMER SCIENCE 111.3(2009):1268-1277.
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