Solid and microcellular components made of poly (3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV)/ poly (butylenes adipate-co-terephthalate) (PBAT) blend (weight ration of PHBV:PBAT = 30:70), recycled wood fiber (RWF), and nanoclay (NC) were prepared via a conventional and microcellular-injection…
Keywords: Clay, composite materials, mechanical properties, injection molding of plastics, thermoplastic composites, plastics, extrusion, wood-plastic composites, recycled products, recycling, thermal properties, modulus of elasticity, elasticity, silane, nanoclay, strength, PBAT, PHBV, wood fibers, wood-plastic materials, tensile strength, crystallinity, thermal degradation, biocomposites
Source: Composites, Part A, Applied science and manufacturing. Vol. 41, no. 8 (Aug. 2010): p. 982-990.
Using natural cellulosic fibers as fillers for biodegradable polymers can result in fully biodegradable composites. Biodegradable composites were prepared using nanofibrillated cellulose (NFC) as the reinforcement and poly (3-hydroxybutyrate-co-3-hydroxyvalerate, PHBV) as the polymer matrix. The…
Keywords: Nanofribrillated cellulose (NFC), Biobased and biodegradable polymers, nanocomposites, poly (3-hydroxybutyrate-co-3-hydroxyvalerate), PHBV
Source: In: Proceedings of the Polymer Processing Society 28th Annual Meeting ~ PPS-28 ~ December 11-15, 2012, Pattaya (Thailand). 5 p.
Three compounding methods were compared to determine their effects on the organization of the interphase in nanocomposites of poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) and cellulose nanocrystals (CNCs) processed via (1) direct compounding, (2) reactive extrusion using a coupling agent (…
Keywords: CNC, PHBV, nanocomposite, reactive extrusion, interface
Source: ACS Sustainable Chemistry & Engineering
Reactive extrusion was used for dicumyl peroxide (DCP)-initiated grafting of glycidyl methacrylate (GMA) to poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV). The effects of GMA and DCP content and their weight ratio on the GMA grafting percentage (GP%), the polymer melt viscosity, and the PHBV…
Keywords: PHBV, cellulose nanocrystal, extrusion, injection molding, nanocomposite
Source: Carbohydrate Polymers. 205: 27-34.