Rheology and Tack Properties of Biodegradable Isodimorphic Poly(butylene succinate)-Ran-Poly(ε-caprolactone) Random Copolyesters and Their Potential Use as Adhesives

Sandoval, Aleida J.; Fernández, Mercedes; Candal, Marı́a; Safari, Maryam; Santamaría, Antxón; Müller, Alejandro J.

doi:10.3390/polym14030623

Cited by 9 publications

(7 citation statements)

References 64 publications

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“…Surprisingly, the thickness increases with CL content, independently of T s − T c . At T s − T c = 30 °C, the thickness of PBS single crystals is 6.7 nm and the value is 9.0 nm for BS 68 CL 32 . In our previous study on melt crystallized BS x CL y , the long period (L) increased with CL content as shown by SAXS.…”

Section: Resultsmentioning

confidence: 99%

“…BS x CL y is a typical isodimorphic copolymer system . Müller and co-workers have shown their general thermal properties, crystallization behavior, and diffraction characteristics. ,− The crystal forms of PBS and PCL are quite different. The PBS α form is monoclinic, with a = 5.23 Å, b = 9.08 Å, c = 10.79 Å, and β = 123.87° .…”

Section: Introductionmentioning

confidence: 99%

“…The previous works on BS x CL y copolymers mainly focused on their iso/nonisothermal crystallization behavior, , crystallization under nanoconfinement, and potential applications. ,, This study aims to elucidate the morphology and unit cell parameters of single crystals obtained from solution of isodimorphic BS x CL y copolymers. The single crystals, prepared by the self-seeding methodology, were characterized by atomic force microscopy (AFM), transmission electron microscopy (TEM), and selected area electron diffraction (ED).…”

Section: Introductionmentioning

confidence: 99%

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Comonomer Inclusion in Single Crystals of Isodimorphic Random Copolymers of Butylene Succinate and ε-Caprolactone

Safari

Zhou

et al. 2023

Macromolecules

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Random copolymers exhibit diverse crystallization behavior depending on whether comonomers are excluded or included in the crystalline phase. To understand the crystallization behavior of crystallizable isodimorphic random copolymer, in this work, we selected poly[(butylene succinate)-ran-(ε-caprolactone)], BS x CL y , copolyesters and studied their single crystal structure and morphology. The single crystals of PBS homopolymer and BS-rich copolymers were prepared by the self-seeding method in o-dichlorobenzene. The prepared single crystals were characterized by atomic force microscopy (AFM) and transmission electron microscopy. The suitable seeding temperature and the dissolution temperature of the copolymers decreased with the comonomer content. The morphological features, including size, shape, layer number, and thickness, of the single crystals depend on the seeding temperature, crystallization temperature, and, most interestingly, the composition. The size of the single crystals increased with the seeding temperature, while the aspect ratio increased with the crystallization temperature. Higher CL content in the copolymers contributed to multilayered crystals and curved edges. These characteristics were explained by the difference in growth rate and the number of dislocations, both of which are expected to be influenced by the comonomers. As revealed by AFM, the thickness of the single crystals increased with CL contents, which is the opposite of what has been reported for copolymers with high degree of comonomer exclusion. Electron diffraction of the single crystals showed smaller lattice expansion as compared to melt crystallized samples, indicating a lower degree of comonomer inclusion of CL units.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Comonomer Inclusion in Single Crystals of Isodimorphic Random Copolymers of Butylene Succinate and ε-Caprolactone

Safari

Zhou

et al. 2023

Macromolecules

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“…According to their synthesis process, biodegradable polymers can be categorised into four classes: biomass products, from microorganisms, from biotechnology, and from petrochemical products [ 19 ]. Among the biodegradable aliphatic polyesters, PBS has good melt processability, excellent mechanical properties and thermal stability, comparable to those of the widely used PE and PP [ 20 ]. PBS is a compostable and biodegradable aliphatic polyester, which can be produced through the condensation of succinic acid and 1,4-butanediol [ 21 ].…”

Section: Introductionmentioning

confidence: 99%

Blending of Low-Density Polyethylene and Poly(Butylene Succinate) (LDPE/PBS) with Polyethylene–Graft–Maleic Anhydride (PE–g–MA) as a Compatibilizer on the Phase Morphology, Mechanical and Thermal Properties

et al. 2023

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It is of significant concern that the buildup of non-biodegradable plastic waste in the environment may result in long-term issues with the environment, the economy and waste management. In this study, low-density polyethylene (LDPE) was compounded with different contents of poly(butylene succinate) (PBS) at 10–50 wt.%, to evaluate the potential of replacing commercial plastics with a biodegradable renewable polymer, PBS for packaging applications. The morphological, mechanical and thermal properties of the LDPE/PBS blends were examined in relation to the effect of polyethylene–graft–maleic anhydride (PE–g–MA) as a compatibilizer. LDPE/PBS/PE–g–MA blends were fabricated via the melt blending method using an internal mixer and then were compression molded into test samples. The presence of LDPE, PBS and PE–g–MA individually in the matrix for each blend presented physical interaction between the constituents, as shown by Fourier-transform infrared spectroscopy (FTIR). The morphology of LDPE/PBS/PE–g–MA blends showed improved compatibility and homogeneity between the LDPE matrix and PBS phase. Compatibilized LDPE/PBS blends showed an improvement in the tensile strength, with 5 phr of compatibilizer providing the optimal content. The thermal stability of LDPE/PBS blends decreased with higher PBS content and the thermal stability of compatibilized blends was higher in contrast to the uncompatibilized blends. Therefore, our research demonstrated that the partial substitution of LDPE with a biodegradable PBS and the incorporation of the PE–g–MA compatibilizer could develop an innovative blend with improved structural, mechanical and thermal properties.

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“…Such analysis is extended to PBS composite films, for which the effect of the incorporation of the selected fillers on the mechanical and barrier properties is analyzed. In a recent study from our group, authors presented the peculiar rheological properties for these PBS-ran-PCL copolymers, and their applications such as hot melt adhesives [27]. Moreover, a thorough analysis of experimental protocols aimed to determine the biodegradation of PBS and its copolyesters is provided, with emphasis on PBS enzymatic degradation.…”

Section: Introductionmentioning

confidence: 99%

A Review on Current Strategies for the Modulation of Thermomechanical, Barrier, and Biodegradation Properties of Poly (Butylene Succinate) (PBS) and Its Random Copolymers

et al. 2022

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The impact of plastics on the environment can be mitigated by employing biobased and/or biodegradable materials (i.e., bioplastics) instead of the traditional “commodities”. In this context, poly (butylene succinate) (PBS) emerges as one of the most promising alternatives due to its good mechanical, thermal, and barrier properties, making it suitable for use in a wide range of applications. Still, the PBS has some drawbacks, such as its high crystallinity, which must be overcome to position it as a real and viable alternative to “commodities”. This contribution covers the actual state-of-the-art of the PBS through different sections. The first section reviews the different synthesis routes, providing a complete picture regarding the obtained molecular weights and the greener alternatives. Afterward, we examine how different strategies such as random copolymerization and the incorporation of fillers can effectively modulate PBS properties to satisfy the needs for different applications. The impact of these strategies is evaluated in the crystallization behavior, crystallinity, mechanical and barrier properties, and biodegradation. The biodegradation is carefully analyzed, highlighting the wide variety of methodologies existing in the literature to measure PBS degradation through different routes (hydrolytic, enzymatic, and soil).

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Rheology and Tack Properties of Biodegradable Isodimorphic Poly(butylene succinate)-Ran-Poly(ε-caprolactone) Random Copolyesters and Their Potential Use as Adhesives

Cited by 9 publications

References 64 publications

Comonomer Inclusion in Single Crystals of Isodimorphic Random Copolymers of Butylene Succinate and ε-Caprolactone

Comonomer Inclusion in Single Crystals of Isodimorphic Random Copolymers of Butylene Succinate and ε-Caprolactone

Blending of Low-Density Polyethylene and Poly(Butylene Succinate) (LDPE/PBS) with Polyethylene–Graft–Maleic Anhydride (PE–g–MA) as a Compatibilizer on the Phase Morphology, Mechanical and Thermal Properties

A Review on Current Strategies for the Modulation of Thermomechanical, Barrier, and Biodegradation Properties of Poly (Butylene Succinate) (PBS) and Its Random Copolymers

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