Toughening of Poly(l-lactide) with Methyl MQ Silicone Resin

Xiaoxu Shi; Zhize Chen; Yiqi Yang

doi:10.1016/j.eurpolymj.2013.11.005

Toughening of Poly(l-lactide) with Methyl MQ Silicone Resin

Xiaoxu Shi, Zhize Chen, Yiqi Yang

Textiles, Merchandising, and Fashion Design

Research output: Contribution to journal › Article

15 Scopus citations

Abstract

Poly(l-lactide) (PLLA)/Methyl MQ (M: mono-functional silicon-oxygen unit R₃SiO_1/2, abbreviated as M; Q: tetra-functional silicon-oxygen unit SiO₂, abbreviated as Q) Silicone Resin (Me-MQ) blends were prepared via a simple solvent evaporation method at various Me-MQ loadings. PLLA is high in strength and modulus, but its applications are limited partly due to its inherent brittleness. It is difficult to keep both toughness and transparency for modified PLLA without compromising its tensile strength and biocompatibility. In this study, we used biocompatible Me-MQ to toughen PLLA at low loadings. The elongation at break of neat PLLA is 7.8%. Tensile test showed that the elongation at break of PLLA blends increased to 67.9% and 217.7% at the loadings of 1 and 2 wt% Me-MQ respectively, with no sacrifice of their strength. UV-vis test showed the light transmittance of the films at the loadings of 1 wt% Me-MQ is almost the same as neat PLLA.

Original language	English (US)
Pages (from-to)	243-248
Number of pages	6
Journal	European Polymer Journal
Volume	50
Issue number	1
DOIs	https://doi.org/10.1016/j.eurpolymj.2013.11.005
State	Published - Jan 2014

Keywords

Methyl MQ silicone resin
Poly(l-lactide)
Toughness
Transparency

ASJC Scopus subject areas

Physics and Astronomy(all)
Organic Chemistry
Polymers and Plastics
Materials Chemistry

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Shi, X., Chen, Z., & Yang, Y. (2014). Toughening of Poly(l-lactide) with Methyl MQ Silicone Resin. European Polymer Journal, 50(1), 243-248. https://doi.org/10.1016/j.eurpolymj.2013.11.005

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abstract = "Poly(l-lactide) (PLLA)/Methyl MQ (M: mono-functional silicon-oxygen unit R3SiO1/2, abbreviated as M; Q: tetra-functional silicon-oxygen unit SiO2, abbreviated as Q) Silicone Resin (Me-MQ) blends were prepared via a simple solvent evaporation method at various Me-MQ loadings. PLLA is high in strength and modulus, but its applications are limited partly due to its inherent brittleness. It is difficult to keep both toughness and transparency for modified PLLA without compromising its tensile strength and biocompatibility. In this study, we used biocompatible Me-MQ to toughen PLLA at low loadings. The elongation at break of neat PLLA is 7.8%. Tensile test showed that the elongation at break of PLLA blends increased to 67.9% and 217.7% at the loadings of 1 and 2 wt% Me-MQ respectively, with no sacrifice of their strength. UV-vis test showed the light transmittance of the films at the loadings of 1 wt% Me-MQ is almost the same as neat PLLA.",

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N2 - Poly(l-lactide) (PLLA)/Methyl MQ (M: mono-functional silicon-oxygen unit R3SiO1/2, abbreviated as M; Q: tetra-functional silicon-oxygen unit SiO2, abbreviated as Q) Silicone Resin (Me-MQ) blends were prepared via a simple solvent evaporation method at various Me-MQ loadings. PLLA is high in strength and modulus, but its applications are limited partly due to its inherent brittleness. It is difficult to keep both toughness and transparency for modified PLLA without compromising its tensile strength and biocompatibility. In this study, we used biocompatible Me-MQ to toughen PLLA at low loadings. The elongation at break of neat PLLA is 7.8%. Tensile test showed that the elongation at break of PLLA blends increased to 67.9% and 217.7% at the loadings of 1 and 2 wt% Me-MQ respectively, with no sacrifice of their strength. UV-vis test showed the light transmittance of the films at the loadings of 1 wt% Me-MQ is almost the same as neat PLLA.

AB - Poly(l-lactide) (PLLA)/Methyl MQ (M: mono-functional silicon-oxygen unit R3SiO1/2, abbreviated as M; Q: tetra-functional silicon-oxygen unit SiO2, abbreviated as Q) Silicone Resin (Me-MQ) blends were prepared via a simple solvent evaporation method at various Me-MQ loadings. PLLA is high in strength and modulus, but its applications are limited partly due to its inherent brittleness. It is difficult to keep both toughness and transparency for modified PLLA without compromising its tensile strength and biocompatibility. In this study, we used biocompatible Me-MQ to toughen PLLA at low loadings. The elongation at break of neat PLLA is 7.8%. Tensile test showed that the elongation at break of PLLA blends increased to 67.9% and 217.7% at the loadings of 1 and 2 wt% Me-MQ respectively, with no sacrifice of their strength. UV-vis test showed the light transmittance of the films at the loadings of 1 wt% Me-MQ is almost the same as neat PLLA.

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