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Erosion --- Geology --- Parícutin (Mexico) --- Mexico

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Volcanoes --- Volcanological research. --- Volcans --- Parícutin (Mexico)

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Plants are the most important renewable source of feedstock for polymeric materials. They are a resource of monomers and macromolecules after the appropriate chemical treatment. By analogy with the petrochemistry industry, plant macromolecules are depolymerized into simpler units which are generally chemically modified and re-bound to produce new polymers. The properties of these polymers are usually tailored by small chemical changes in their molecular structure, or by the polymerization of plant monomers with other molecules. Another interesting strategy for the formation of polymeric materials is the direct use of plant macromolecules in the form of blends, composites, grafted polymers, multilayer systems, etc. The interactions and assemblies of the different components allow the control of the final features of such materials. Traditionally, polysaccharides, with cellulose as the main protagonist, have been the most used substances. However, as consequence of a growing demand of functional plastics, other plant macromolecules, habitually considered wastes, have started to become valuable raw materials. Lignin and plant proteins (mainly, soy protein, wheat gluten, and zein) are classical examples. Also, suberin has been highlighted in this field. Other plant polymers such as the cutin and the sporopollenin are promising alternatives. Furthermore, other minority plant polymers, e.g. cutan or algaenan, could be potential sources of materials. The different chemistry, structure, intrinsic properties and functions of these macromolecules in the plants are a strong inspiration for the development of novel and interesting polymeric materials. Here, in this Research Topic, we welcome the submission of manuscripts related to the production, extraction, processability, synthesis, characterization and applications of non-polysaccharides plant materials.

Cutin --- Plant polymers --- CORK --- suberin --- Agro-waste --- Kerogen --- sporopollenin

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This work covers all aspects related to the obtainment, production, design, and processing of biopolymers obtained from natural resources. Moreover, it studies characteristics related to the improvement of their performance to increase their potential application at an industrial level, in line with the concept of a global circular economy. Thus, this work firstly classifies biopolymers obtained from natural resources (e.g., biobased building blocks and biopolymers extracted directly from plants and biomass), and then summarizes several cutting-edge research works focused on enhancing the performance of biopolymers from natural resources to extend their application in the industrial sector, and contribute to the transition to more sustainable plastics.

Technology: general issues --- History of engineering & technology --- PHBH --- almond shell flour --- mechanical properties --- thermal characterization --- WPCs --- bacterial polyesters --- poly(3-hydroxybutyrate-co-3hydroxyhexanoate)—PHBH --- poly(ε-caprolactone)—PCL --- binary blends --- improved toughness --- mechanical and thermal characterization --- Cucumis metuliferus --- extraction --- antioxidant activity --- coating --- cellulose acetate --- LDPE --- bilayer packaging --- active packaging --- poly(lactic acid) --- mechanical recycling --- yerba mate --- bionanocomposites --- polysulfide-derived polymers --- cottonseed oil --- fatty acid of cottonseed oil --- sodium soap of cottonseed oil --- PLA --- nanocomposites --- functional properties --- thymol --- migration --- films --- cutin --- cuticles --- bioplastics --- biopolymers --- solanum: CPMAS 13C NMR --- softgels --- mucilage --- in vitro digestion --- bioaccessibility --- bran content --- plasticized wheat flour --- citric acid --- biobased blends --- biopolymer --- carboxymethyl cellulose --- solid polymer electrolyte --- ionic transport --- chitosan --- potato starch --- microwave --- foam --- orthogonal experiments --- empty fruit bunch --- regenerated cellulose --- ionic liquid --- methyl methacrylate --- 3D printing --- syringe extrusion 3D printing --- hydroxypropyl methylcellulose --- orodispersible film --- phenytoin --- PA610 --- halloysite nanotubes (HNTs) --- flame retardant --- cone calorimeter --- agricultural waste --- asparagus --- CMC --- degree of substitution --- DS --- cellulose extraction --- thermoplastic starch --- dolomite --- biocomposite --- sonication --- bacterial cellulose --- nata de coco --- sodium hydroxide --- lignin --- nanoparticles --- biorefinery --- organosolv pretreatment --- polyelectrolyte multi-layers --- sodium alginate --- k-carrageenan --- cellulosic nonwoven textile --- surface functionalization --- characterization --- bio-sorption --- isotherms --- natural fibers --- soy protein --- chitin --- coir --- comfort --- functional textiles --- Circular Bioeconomy --- carbonation reaction --- selectivity optimization --- carbonated epoxidized linseed oil --- non-isocyanate polyurethane --- argan shell particles --- wood plastic composite --- polyethylene --- compatibilization --- air permeability --- fungal fibers --- hemp fibers --- microstructure --- mycocel --- softwood fibers --- virus membrane filtration --- allotropic transition --- choline chloride --- plasticizer --- starch dissolution --- n/a --- poly(3-hydroxybutyrate-co-3hydroxyhexanoate)-PHBH --- poly(ε-caprolactone)-PCL

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This work covers all aspects related to the obtainment, production, design, and processing of biopolymers obtained from natural resources. Moreover, it studies characteristics related to the improvement of their performance to increase their potential application at an industrial level, in line with the concept of a global circular economy. Thus, this work firstly classifies biopolymers obtained from natural resources (e.g., biobased building blocks and biopolymers extracted directly from plants and biomass), and then summarizes several cutting-edge research works focused on enhancing the performance of biopolymers from natural resources to extend their application in the industrial sector, and contribute to the transition to more sustainable plastics.

Technology: general issues --- History of engineering & technology --- PHBH --- almond shell flour --- mechanical properties --- thermal characterization --- WPCs --- bacterial polyesters --- poly(3-hydroxybutyrate-co-3hydroxyhexanoate)-PHBH --- poly(ε-caprolactone)-PCL --- binary blends --- improved toughness --- mechanical and thermal characterization --- Cucumis metuliferus --- extraction --- antioxidant activity --- coating --- cellulose acetate --- LDPE --- bilayer packaging --- active packaging --- poly(lactic acid) --- mechanical recycling --- yerba mate --- bionanocomposites --- polysulfide-derived polymers --- cottonseed oil --- fatty acid of cottonseed oil --- sodium soap of cottonseed oil --- PLA --- nanocomposites --- functional properties --- thymol --- migration --- films --- cutin --- cuticles --- bioplastics --- biopolymers --- solanum: CPMAS 13C NMR --- softgels --- mucilage --- in vitro digestion --- bioaccessibility --- bran content --- plasticized wheat flour --- citric acid --- biobased blends --- biopolymer --- carboxymethyl cellulose --- solid polymer electrolyte --- ionic transport --- chitosan --- potato starch --- microwave --- foam --- orthogonal experiments --- empty fruit bunch --- regenerated cellulose --- ionic liquid --- methyl methacrylate --- 3D printing --- syringe extrusion 3D printing --- hydroxypropyl methylcellulose --- orodispersible film --- phenytoin --- PA610 --- halloysite nanotubes (HNTs) --- flame retardant --- cone calorimeter --- agricultural waste --- asparagus --- CMC --- degree of substitution --- DS --- cellulose extraction --- thermoplastic starch --- dolomite --- biocomposite --- sonication --- bacterial cellulose --- nata de coco --- sodium hydroxide --- lignin --- nanoparticles --- biorefinery --- organosolv pretreatment --- polyelectrolyte multi-layers --- sodium alginate --- k-carrageenan --- cellulosic nonwoven textile --- surface functionalization --- characterization --- bio-sorption --- isotherms --- natural fibers --- soy protein --- chitin --- coir --- comfort --- functional textiles --- Circular Bioeconomy --- carbonation reaction --- selectivity optimization --- carbonated epoxidized linseed oil --- non-isocyanate polyurethane --- argan shell particles --- wood plastic composite --- polyethylene --- compatibilization --- air permeability --- fungal fibers --- hemp fibers --- microstructure --- mycocel --- softwood fibers --- virus membrane filtration --- allotropic transition --- choline chloride --- plasticizer --- starch dissolution --- PHBH --- almond shell flour --- mechanical properties --- thermal characterization --- WPCs --- bacterial polyesters --- poly(3-hydroxybutyrate-co-3hydroxyhexanoate)-PHBH --- poly(ε-caprolactone)-PCL --- binary blends --- improved toughness --- mechanical and thermal characterization --- Cucumis metuliferus --- extraction --- antioxidant activity --- coating --- cellulose acetate --- LDPE --- bilayer packaging --- active packaging --- poly(lactic acid) --- mechanical recycling --- yerba mate --- bionanocomposites --- polysulfide-derived polymers --- cottonseed oil --- fatty acid of cottonseed oil --- sodium soap of cottonseed oil --- PLA --- nanocomposites --- functional properties --- thymol --- migration --- films --- cutin --- cuticles --- bioplastics --- biopolymers --- solanum: CPMAS 13C NMR --- softgels --- mucilage --- in vitro digestion --- bioaccessibility --- bran content --- plasticized wheat flour --- citric acid --- biobased blends --- biopolymer --- carboxymethyl cellulose --- solid polymer electrolyte --- ionic transport --- chitosan --- potato starch --- microwave --- foam --- orthogonal experiments --- empty fruit bunch --- regenerated cellulose --- ionic liquid --- methyl methacrylate --- 3D printing --- syringe extrusion 3D printing --- hydroxypropyl methylcellulose --- orodispersible film --- phenytoin --- PA610 --- halloysite nanotubes (HNTs) --- flame retardant --- cone calorimeter --- agricultural waste --- asparagus --- CMC --- degree of substitution --- DS --- cellulose extraction --- thermoplastic starch --- dolomite --- biocomposite --- sonication --- bacterial cellulose --- nata de coco --- sodium hydroxide --- lignin --- nanoparticles --- biorefinery --- organosolv pretreatment --- polyelectrolyte multi-layers --- sodium alginate --- k-carrageenan --- cellulosic nonwoven textile --- surface functionalization --- characterization --- bio-sorption --- isotherms --- natural fibers --- soy protein --- chitin --- coir --- comfort --- functional textiles --- Circular Bioeconomy --- carbonation reaction --- selectivity optimization --- carbonated epoxidized linseed oil --- non-isocyanate polyurethane --- argan shell particles --- wood plastic composite --- polyethylene --- compatibilization --- air permeability --- fungal fibers --- hemp fibers --- microstructure --- mycocel --- softwood fibers --- virus membrane filtration --- allotropic transition --- choline chloride --- plasticizer --- starch dissolution