Poly(lactide)-block-poly(ε-caprolactone-co-ε-decalactone)-block-poly(lactide) copolymer elastomers
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The midblock composition of poly(lactide)- block -poly(ε-caprolactone- co -ε-decalactone)- block -poly(lactide) is used to tune block polymer melting point, crystallinity, segregation strength and tensile properties.
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Since the hard block is poly(lactide), at a fixed molar mass, decreasing the polarity of the midblock segment effectively increases the segregation strength of the two blocks.
“Since in this work the hard block is poly(lactide), at a fi xed molar mass, decreasing the polarity of the midblock segment e ff ectively increases the segregation strength of the two blocks. 11,13,64,85 -89”
From Aliphatic Polyester Block Polymer Design (2016) · cites this paper as [64]
The Results and Discussion section defines segregation strength as χN and says PLA’s interaction parameter is expected to increase as the other polyester becomes more aliphatic. Table 3 is consistent with that trend at 140 °C. But the same section predicts the opposite ordering for LCL and LCDL at temperatures of at least 180 °C, so the unqualified claim is too broad. (LLM, conf=0.84)
Experimental — accuracy not yet measuredDegradable analogues composed of poly(lactide) as hard A blocks and an amorphous aliphatic polyester homopolymer or statistical copolymer as the soft B block have been investigated.
“Inspired by the incredible versatility of styrenic ABA triblock polymers, we and others have investigated degradable analogues composed of poly(lactide) (PLA) as the hard ' A ' blocks and an amorphous aliphatic polyester homopolymer 7 -17 or statistical copolymer 18,19 as the soft ' B ' block.”
From Aliphatic Polyester Block Polymer Design (2016) · cites this paper as [18]
Poly(β1) and poly(ε-caprolactone) are constitutional isomers characterized by the same solubility parameter (18.4 J1/2 cm-3/2).
“It is gratifying to note that the constitutional isomers poly( β 1 ) and poly( ε -caprolactone) are characterized by the same solubility parameter (18.4 J 1/2 cm -3/2 ).”
From Aliphatic Polyester Block Polymer Design (2016) · cites this paper as [64]
The Results and Discussion section discusses solubility-parameter estimates for interactions between poly(lactide) and other polyesters, but does not identify poly(β1) or give a value of 18.4 J¹ᐟ² cm⁻³ᐟ². Searches for poly(β1), constitutional isomers, and 18.4 found no passage establishing the claimed relationship with poly(ε-caprolactone). No page number is available in our copy. (LLM, conf=0.73)
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- Authors
- Schneiderman, D. K., Hill, E. M., Martello, M. T., & Hillmyer, M. A.
- Affiliations
- University of Minnesota (US)
- Corresponding author
- Hillmyer, Marc A.
- Venue
- Polymer Chemistry
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2015
- Volume
- 6
- Issue
- 19
- Pages
- 3641-3651
- ISSN
- 1759-9954 (ISSN-L)
- 1759-9962
- OpenAlex
- W2104540746
- Cited by
- 101
- References
- 9
- Citations by year
- 2026: 5 · 2025: 10 · 2024: 11 · 2023: 6 · 2022: 11 · 2021: 11 · 2020: 8 · 2019: 10 · 2018: 10 · 2017: 9 · 2016: 8 · 2015: 2
- FWCI
- 3.50
- Type
- journal article
- Language
- en
- Open access
- green
- www.osti.gov
- Locations
- Polymer Chemistry (publishedVersion)
- OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion)
- Funders
- National Science Foundation (9304725, 1413862)
- Topics
- Physical Sciences › Materials Science › Biomaterials › biodegradable polymer synthesis and properties
- Physical Sciences › Materials Science › Materials Chemistry › Block Copolymer Self-Assembly
- Physical Sciences › Materials Science › Polymers and Plastics › Polymer crystallization and properties
- Keywords
- polylactic acid, crystallinity, tensile properties, biodegradable polymers
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