Terpolymers from lactide and bisphenol a derivatives: Scale-up, properties, and blends

Akhilesh Singh; Amit K. Naskar; Joel Barden; Michael J. Drews; Dennis W. Smith

doi:10.1002/app.33789

Terpolymers from lactide and bisphenol a derivatives: Scale-up, properties, and blends

Akhilesh Singh, Amit K. Naskar, Joel Barden, Michael J. Drews, Dennis W. Smith

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

Terpolymerization of L-lactide (LA) and bisphenol A derivatives was performed on few hundred gram scale, and the resultant terpolymer (TP) was characterized by gel permeation chromatography, infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), dynamic mechanical analysis (DMA), and thermogravimetric analysis. Moderate molecular weight (M_n ∼ 12 kg/mol) TP was achieved with glass transition temperatures about 100°C (DSC and DMA). The TP exhibited improved thermal stability compared with polylactide (PLA), with a thermal degradation temperature of about 80°C higher than PLA. Although the TP exhibited distinctly different surface morphology compared with that of PLA, both showed similar contact angle and surface energy (ca. 40 mN/m) properties. Blends of PLA and TP showed enhanced glass transition (∼ 5°C change in T_g) temperatures compared with PLA homopolymer. This is due to the compatibility of PLA and TP. Thus, TP could be used as an additive for PLA-based blends to enhance compatibility with phenolic-based resins. TP electrospun fiber morphology is also reported.

Original language	English
Pages (from-to)	2520-2528
Number of pages	9
Journal	Journal of Applied Polymer Science
Volume	122
Issue number	4
DOIs	https://doi.org/10.1002/app.33789
State	Published - Nov 15 2011
Externally published	Yes

Keywords

blends
glass transition
ring-opening polymerization
structure-property relations
thermal properties

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title = "Terpolymers from lactide and bisphenol a derivatives: Scale-up, properties, and blends",

abstract = "Terpolymerization of L-lactide (LA) and bisphenol A derivatives was performed on few hundred gram scale, and the resultant terpolymer (TP) was characterized by gel permeation chromatography, infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), dynamic mechanical analysis (DMA), and thermogravimetric analysis. Moderate molecular weight (Mn ∼ 12 kg/mol) TP was achieved with glass transition temperatures about 100°C (DSC and DMA). The TP exhibited improved thermal stability compared with polylactide (PLA), with a thermal degradation temperature of about 80°C higher than PLA. Although the TP exhibited distinctly different surface morphology compared with that of PLA, both showed similar contact angle and surface energy (ca. 40 mN/m) properties. Blends of PLA and TP showed enhanced glass transition (∼ 5°C change in Tg) temperatures compared with PLA homopolymer. This is due to the compatibility of PLA and TP. Thus, TP could be used as an additive for PLA-based blends to enhance compatibility with phenolic-based resins. TP electrospun fiber morphology is also reported.",

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year = "2011",

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doi = "10.1002/app.33789",

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T2 - Scale-up, properties, and blends

AU - Singh, Akhilesh

AU - Naskar, Amit K.

AU - Barden, Joel

AU - Drews, Michael J.

AU - Smith, Dennis W.

PY - 2011/11/15

Y1 - 2011/11/15

N2 - Terpolymerization of L-lactide (LA) and bisphenol A derivatives was performed on few hundred gram scale, and the resultant terpolymer (TP) was characterized by gel permeation chromatography, infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), dynamic mechanical analysis (DMA), and thermogravimetric analysis. Moderate molecular weight (Mn ∼ 12 kg/mol) TP was achieved with glass transition temperatures about 100°C (DSC and DMA). The TP exhibited improved thermal stability compared with polylactide (PLA), with a thermal degradation temperature of about 80°C higher than PLA. Although the TP exhibited distinctly different surface morphology compared with that of PLA, both showed similar contact angle and surface energy (ca. 40 mN/m) properties. Blends of PLA and TP showed enhanced glass transition (∼ 5°C change in Tg) temperatures compared with PLA homopolymer. This is due to the compatibility of PLA and TP. Thus, TP could be used as an additive for PLA-based blends to enhance compatibility with phenolic-based resins. TP electrospun fiber morphology is also reported.

AB - Terpolymerization of L-lactide (LA) and bisphenol A derivatives was performed on few hundred gram scale, and the resultant terpolymer (TP) was characterized by gel permeation chromatography, infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), dynamic mechanical analysis (DMA), and thermogravimetric analysis. Moderate molecular weight (Mn ∼ 12 kg/mol) TP was achieved with glass transition temperatures about 100°C (DSC and DMA). The TP exhibited improved thermal stability compared with polylactide (PLA), with a thermal degradation temperature of about 80°C higher than PLA. Although the TP exhibited distinctly different surface morphology compared with that of PLA, both showed similar contact angle and surface energy (ca. 40 mN/m) properties. Blends of PLA and TP showed enhanced glass transition (∼ 5°C change in Tg) temperatures compared with PLA homopolymer. This is due to the compatibility of PLA and TP. Thus, TP could be used as an additive for PLA-based blends to enhance compatibility with phenolic-based resins. TP electrospun fiber morphology is also reported.

KW - blends

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KW - ring-opening polymerization

KW - structure-property relations

KW - thermal properties

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JO - Journal of Applied Polymer Science

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Terpolymers from lactide and bisphenol a derivatives: Scale-up, properties, and blends

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Keywords

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