Study of Bio-Based Foams Prepared from PBAT/PLA Reinforced with Bio-Calcium Carbonate and Compatibilized with Gamma Radiation Article Swipe

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Elizabeth C.L. Cardoso , Duclerc Fernandes Parra , Sandra R. Scagliusi , Ricardo M. Sales , Fernando Caviquioli , Ademar B. Lugão ·

YOU? · · 2019 · Open Access · · DOI: https://doi.org/10.5772/intechopen.85462

Foamed polymers are future materials, considered "green materials" due to their properties with very low consumption of raw materials; they can be used to ameliorate appearance of structures besides contributing for thermal and acoustic insulation. Nevertheless, waste disposal has generated about 20–30% of total of solid volume in landfills besides prejudicing flora and fauna by uncontrolled disposal. The development of biodegradable polymers aims to solve this problem, considering that in 2012, bio-plastics market was evaluated in 1.4 million tons produced and in 2017 attained 6.2 million tons. Biodegradable polymers as poly(lactic acid) (PLA) and poly(butylene adipate-co-terephthalate) (PBAT) are thermoplastics which can be processed using the most conventional polymer processing methods. PLA is high in strength and modulus but brittle, while PBAT is flexible and tough. In order to reduce interfacial tension exhibited by PLA/PBAT blends, it was used as compatibilizing agent 5 phr of PLA previously gamma-radiated at 150 kGy. Ionizing radiation induces compatibilization by free radicals, improving the dispersion and adhesion of blend phases, without using chemical additives and at room temperature. As a reinforcement agent, calcium carbonate from avian eggshell waste was used, at 10 ph of micro particles, 125 μm. Admixtures were further processed in a single-screw extruder, using CO2 as physical blowing agent (PBA). Property investigations were performed by DSC, TGA, XRD, SEM, FTIR, and mechanical essays.

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Materials science Compatibilization Composite material Polylactic acid Polymer Calcium carbonate Plastics extrusion Chemical engineering Polymer blend Engineering Copolymer

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Type: book-chapter
Language: en
Landing Page: https://doi.org/10.5772/intechopen.85462
PDF: https://www.intechopen.com/citation-pdf-url/67539
OA Status: hybrid
Cited By: 16
References: 40
Related Works: 10
OpenAlex ID: https://openalex.org/W2967843178

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DOI: https://doi.org/10.5772/intechopen.85462

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Title: Study of Bio-Based Foams Prepared from PBAT/PLA Reinforced with Bio-Calcium Carbonate and Compatibilized with Gamma Radiation

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Type: book-chapter

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Language: en

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Publication year: 2019

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Publication date: 2019-08-16

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Authors: Elizabeth C.L. Cardoso, Duclerc Fernandes Parra, Sandra R. Scagliusi, Ricardo M. Sales, Fernando Caviquioli, Ademar B. Lugão

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Landing page: https://doi.org/10.5772/intechopen.85462

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PDF URL: https://www.intechopen.com/citation-pdf-url/67539

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Concepts: Materials science, Compatibilization, Composite material, Polylactic acid, Polymer, Calcium carbonate, Plastics extrusion, Chemical engineering, Polymer blend, Engineering, Copolymer

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Cited by: 16

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abstract_inverted_index.processing	108
abstract_inverted_index.properties	11
abstract_inverted_index.structures	27
abstract_inverted_index.considering	67
abstract_inverted_index.consumption	15
abstract_inverted_index.development	58
abstract_inverted_index.insulation.	34
abstract_inverted_index.interfacial	129
abstract_inverted_index.poly(lactic	90
abstract_inverted_index.prejudicing	50
abstract_inverted_index.bio-plastics	71
abstract_inverted_index.contributing	29
abstract_inverted_index.conventional	106
abstract_inverted_index.single-screw	199
abstract_inverted_index.temperature.	172
abstract_inverted_index.uncontrolled	55
abstract_inverted_index.Biodegradable	87
abstract_inverted_index.Nevertheless,	35
abstract_inverted_index.biodegradable	60
abstract_inverted_index.poly(butylene	94
abstract_inverted_index.reinforcement	175
abstract_inverted_index.gamma-radiated	146
abstract_inverted_index.investigations	209
abstract_inverted_index.thermoplastics	98
abstract_inverted_index.compatibilizing	139
abstract_inverted_index.compatibilization	153
abstract_inverted_index.adipate-co-terephthalate)	95
cited_by_percentile_year.max	98
cited_by_percentile_year.min	89
countries_distinct_count	0
institutions_distinct_count	6
citation_normalized_percentile.value	0.75307263
citation_normalized_percentile.is_in_top_1_percent	False
citation_normalized_percentile.is_in_top_10_percent	False