Mechanical and Rheological Properties of Isotactic Polypropylene/Bacterial Cellulose Composites

Wang, Bo; Zhang, Hairong; Huang, Chao; Luo, Jun; Chen, Xinde

doi:10.7317/pk.2017.41.3.460

Cited by 5 publications

(4 citation statements)

References 27 publications

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“…The order of contribution to crystallinity of the composites is BC < CO < MAPP as the compatibilizers, which conforms to the effects of the two modication methods on the mechanical performance of the composites, as mentioned in our previous research. 4,10 In addition, the crystallinity enthalpy rates of the composites indicate that the crystallinity of the samples are not quite different, which can also be seen from Fig. 4.…”

Section: Non-isothermal Crystallization Process Of Ipp/bc Compositessupporting

confidence: 61%

“…In our previous research, esterication-modied BC (CO) and maleic anhydride graed polypropylene (MAPP) as a compatibilizer have both been used to improve interfacial compatibility of iPP and BC. 4,10 The results show that BC enhances mechanical properties of iPP and the effect of MAPP addition is better than that of esterication-modied BC.…”

Section: Introductionmentioning

confidence: 95%

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Study on non-isothermal crystallization behavior of isotactic polypropylene/bacterial cellulose composites

et al. 2017

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Section: Non-isothermal Crystallization Process Of Ipp/bc Compositessupporting

confidence: 61%

Section: Introductionmentioning

confidence: 95%

Study on non-isothermal crystallization behavior of isotactic polypropylene/bacterial cellulose composites

et al. 2017

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“…Although the reported methods of modifying the interfacial compatibility of HR and polymer are relatively simple. Actually, the modification methods of heat treatment [22], alkali treatment [23,24], esterification treatment [25,26], coupling agent treatment [27,28] and compatibilizer treatment [29][30][31] were used for improving the interfacial compatibility of biomass fiber and polymer.…”

Section: Introductionmentioning

confidence: 99%

Interfacial Compatibility on the Crystal Transformation of Isotactic Poly (1-Butene)/Herb Residue Composite

et al. 2021

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Isotactic poly (1-butene) (iPB) has excellent properties which are recognized as a green and energy saving product. However, the most stable and valuable crystal form I had a spontaneous transformation that took as long as seven days to complete. As a special solid waste, the herb residue (HR) is rich in cellulose which has great potential to accelerate the crystal transformation of the iPB. However, the polarity of HR results in the interface compatibility with non-polar iPB. In this study, the HR was modified by silane coupling agent (KH570) to obtain KHR and the iPB/HR composite was prepared. The FTIR spectrum was indicated that the organic functional groups of KH570 successfully graft onto the surface of HR and the water contact angle test was indicated that the hydrophilicity of the KHR was greatly decreased. The complete crystal transformation time is 7 days for iPB, 6 days for iPB+5% HR but only 3 days for iPB+5% KHR. The addition of the HR and KHR improve the thermal stability of the composite and this beneficial effect is more obvious for KHR. After annealing for 5 days, the physical properties value include tensile strength, flexural strength, and HDT of iPB+5% HR reach that of pure iPB after annealing for 7 days, but only 3 days for iPB+5% KHR. The TG analysis and SEM photographs give clear evidence that the beneficial effect of KH570 modified HR on improving the interface compatibility with iPB.

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“…In our previous research, esterification modified BC (CO) and adding MAPP as compatibilizer were both used to improve interfacial compatibility of iPP and BC. The results indicate that the mechanical properties of iPP has been enhanced, and the effect of MAPP addition is better than that of esterification modified BC [27,28].…”

Section: Introductionmentioning

confidence: 99%

Isothermal Crystallization and Rheology Properties of Isotactic Polypropylene/Bacterial Cellulose Composite

Wang

Lin

et al. 2018

Polymers

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Bacterial cellulose (BC) is a new kind of cellulose with great potential in enhancing preparation of isotactic Polypropylene (iPP) composites, which have been found with excellent performance. However, the interface compatibility between BC and iPP is poor. In this study, iPP/BC composites were prepared by solution mixing. Esterification modified BC (CO) and Maleic anhydride grafted polypropylene (MAPP) added as a compatibilizer was both used to improve the interfacial compatibility of the iPP/BC composites. The rheology and isothermal crystallization behavior of the composites was tested and discussed. The result shows that the complex viscosity and storage modulus of the composite significantly increase in the rule iPP, iPP/BC2, iPP/CO2, and M-iPP/BC3, which indicates that the compatibility of the composite increases as this rule. According to the isothermal crystallization kinetics result, the crystal growth mode of iPP was not affected by the addition of BC and the interfacial compatibility. The spherulite growth rate of the iPP/BC composite increases with increasing crystallization temperature. Especially, the value decreases as the same rule with the complex viscosity and storage modulus of the composite at the same isothermal crystallization temperature. These results suggest that the interface compatibility of iPP/BC composites is greatly improved and the interface compatibility of the M-iPP/BC3 is better than the iPP/CO2.

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Mechanical and Rheological Properties of Isotactic Polypropylene/Bacterial Cellulose Composites

Cited by 5 publications

References 27 publications

Study on non-isothermal crystallization behavior of isotactic polypropylene/bacterial cellulose composites

Study on non-isothermal crystallization behavior of isotactic polypropylene/bacterial cellulose composites

Interfacial Compatibility on the Crystal Transformation of Isotactic Poly (1-Butene)/Herb Residue Composite

Isothermal Crystallization and Rheology Properties of Isotactic Polypropylene/Bacterial Cellulose Composite

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