研究成果

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High Melt Strength and High Toughness PLLA/PBS Blends by Copolymerization and in Situ Reactive Compatibilization

High Melt Strength and High Toughness PLLA/PBS Blends by Copolymeri...

Bao Zhang, Bin Sun, Xinchao Bian,* Gao Li, and Xuesi Chen*Ind. Eng. Chem. Res. 2017, 56, 52−62 Poly(L-lactide)/poly(butylene succinate) (PLLA/PBS) blends were prepared by melt mixing with a PLLA-based compatibilizer (PBS-PLLA) and a chain ...

Modified PLA Homochiral Crystallites Facilitated by the Confinement of PLA Stereocomplexes

Modified PLA Homochiral Crystallites Facilitated by the Confinement...

Jun Shao,†,‡ Jingru Sun,† Xinchao Bian,† Yi Cui,† Yunchun Zhou,§ Gao Li,*,† and Xuesi Chen*,†Macromolecules 2013, 46, 6963−6971 The crystallization and melting behaviors of polylactide (PLA) homochiral polymer under the confinement of ster...

Thermal Properties of Polylactides with Different Stereoisomers of Lactides Used as Comonomers

Thermal Properties of Polylactides with Different Stereoisomers of ...

Lidong Feng,†,‡ Bao Zhang,† Xinchao Bian,†,‡ Gao Li,† Zhiming Chen,‡ and Xuesi Chen*,†Macromolecules 2017, 50, 6064−6073 To investigate the effect of the stereoisomeric composition of lactides as comonomers on the thermal behavior of polyl...

Investigation of Poly(lactide) Stereocomplexes: 3‑Armed Poly(L‑lactide) Blended with Linear and 3‑Armed Enantiomers

Investigation of Poly(lactide) Stereocomplexes: 3‑Armed Poly(L‑lact...

Jun Shao,†,‡ Jingru Sun,† Xinchao Bian,† Yi Cui,† Gao Li,*,† and Xuesi Chen*,†J. Phys. Chem. B 2012, 116, 9983−9991 Stereocomplex poly(lactide)s (sc-PLAs) were obtained from solution blending of 3-armed poly(L-lactide) (3PLLA) and linear p...

Unique Fractional Crystallization of Poly(L‑lactide)/Poly(L‑2-hydroxyl- 3-methylbutanoic acid) Blend

Unique Fractional Crystallization of Poly(L‑lactide)/Poly(L‑2-hydro...

Dongdong Zhou,†,‡ Shaoyong Huang,† Jingru Sun,† Xinchao Bian,† Gao Li,*,† and Xuesi Chen*,†Macromolecules 2017, 50, 4707−4714 The crystallization behaviors and microstructures of poly(L-2-hydroxyl-3-methylbutanoic acid)/poly(L-lactide) ble...

Evaluation of PLA content in PLA/PBAT blends using TGA

Evaluation of PLA content in PLA/PBAT blends using TGA

Sheng Xianga,b, Lidong Fenga,b,*, Xinchao Biana,b, Gao Lia,b, Xuesi Chena,bPolymer Testing81(2020)106211 The thermogravimetric analysis (TGA) was used to evaluate the polylactide (PLA) content in PLA/poly(butylene adipate-co-terephthalate)...

Pyrolysis mechanism of Poly(lactic acid) for giving lactide under the catalysis of tin

Pyrolysis mechanism of Poly(lactic acid) for giving lactide under t...

Lidong Feng a, b, Songyang Feng c, Xinchao Bian a, b, **, Gao Li a, b, Xuesi Chen a, b, *Polymer Degradation and Stability 157 (2018) 212e223 In order to obtain the mechanisms of the pyrolysis reaction that poly (lactic acid) (PLA) gives l...

Effect of the different architectures and molecular weights on stereocomplex in enantiomeric polylactides-b-MPEG block copolymers

Effect of the different architectures and molecular weights on ster...

Dongdong Zhou a, c, Jun Shao b, Jingru Sun a, Xinchao Bian a, Sheng Xiang a, Gao Li a, *, Xuesi Chen a, **Polymer 123 (2017) 49e54 Poly(lactide) stereocomplex (PLA SC) and poly(ethylene glycol) (PEG) crystallites were obtained in MPEG-b-PL...

Tougheningeffectofpoly(D-lactide)-b-poly(butylenesuccinate)-b-poly (D-lactide) copolymersonpoly(L-lactic acid)bysolution casting method

Tougheningeffectofpoly(D-lactide)-b-poly(butylenesuccinate)-b-poly ...

YanlongLiu a,b, JunShao c, JingruSun a, XinchaoBian a,b, ZhimingChen b, GaoLi a, XuesiChen a,b,nMaterials Letters155(2015)94–96YanlongLiu a,b, JunShao c, JingruSun a, XinchaoBian a,b, ZhimingChen b, GaoLi a, XuesiChen a,b,n The blockcopoly...

Improved mechanical and thermal properties of PLLA by solvent blending with PDLA-b-PEG-b-PDLA

Improved mechanical and thermal properties of PLLA by solvent blend...

Yanlong Liu a,b, Jun Shao a, Jingru Sun a, Xinchao Bian a,b, Lidong Feng a,b, Sheng Xiang a,b, Bin Sun b, Zhiming Chen b, Gao Li a, Xuesi Chen a,b,*Polymer Degradation and Stability 101 (2014) 10e17 In this article, two types of poly (D-la...

Compatibility, mechanical properties and stability of blends of polylactide and polyurethane based on poly(ethylene glycol)-bpolylactide copolymers by chain extension with diisocyanate

Compatibility, mechanical properties and stability of blends of pol...

Lidong Feng a, b, Xinchao Bian a, b, **, Gao Li a, Zhiming Chen b, Xuesi ChenPolymer Degradation and Stability 125 (2016) 148e155Lidong Feng a, b, Xinchao Bian a, b, **, Gao Li a, Zhiming Chen b, Xuesi Chen A series of novel biodegradable ...

Quantification of residual monomer in polylactide by gas chromatographic internal standard method

Quantification of residual monomer in polylactide by gas chromatogr...

Xinchao Bian a, b, Lidong Feng a, b, *, Gao Li a, Zhiming Chen b, Xuesi ChenPolymer Testing 50 (2016) 79e82 An analytical method has been developed to quantitatively determine the residual lactide monomer in polylactide (PLA) using an internal...

Unusual crystallization and melting behavior induced by microphase separation in MPEG-b-PLLA diblock copolymer

Unusual crystallization and melting behavior induced by microphase ...

The crystallization and melting behaviors of weakly segregated diblock copolymer (MPEG-b-PLLA) have been investigated by differential scanning calorimetry (DSC), wide-angle X-ray diffraction (WAXD), and small-angle X-ray scattering (SAXS). Th...

Melt stereocomplexation from poly(L-lactic acid) and poly(D-lactic acid) with different optical purity

Melt stereocomplexation from poly(L-lactic acid) and poly(D-lactic ...

Poly(L-lactic acid) (PLLA) and Poly(D-lactic acid) (PDLA) with different optical purity were blended in an internal mixer and their crystallization behavior were investigated. Nearly complete stereocomplex crystallites could be obtained at sp...