Results 41 to 50 of about 1,604,865 (319)

Agglomeration during reactive extrusion of particle-based biomass pellets [PDF]

open access: yesEPJ Web of Conferences
Creating mechanically sound aggregates from powder or grain-like feedstocks is a fundamental challenge across industries. One example is the production of pellets from organic materials, like wood residues and cereal grains, for biofuel and animal feed ...
Benders Richard T.   +4 more
doaj   +1 more source

Investigation of the Reaction Kinetics of Poly(butylene terephthalate) and Epoxide Chain Extender

open access: yesMacromolecular Materials and Engineering, 2023
Polyesters, such as poly (butylene terephthalate) (PBT), owe a rather low melt strength, which is considered as not beneficial for foaming. To overcome this issue, a typical attempt is the incorporation of chemical modifications—so‐called chain extenders
Andreas Himmelsbach   +6 more
doaj   +1 more source

Compatibilization of Poly(Lactic Acid) (PLA)/Plasticized Cellulose Acetate Extruded Blends through the Addition of Reactively Extruded Comb Copolymers

open access: yesMolecules, 2021
In the perspective of producing a rigid renewable and environmentally friendly rigid packaging material, two comb-like copolymers of cellulose acetate (AC) and oligo(lactic acid) OLA, feeding different percentages of oligo(lactic acid) segments, were ...
Maria-Beatrice Coltelli   +5 more
doaj   +1 more source

Two phase residence time distribution in a modified twin screw extruder [PDF]

open access: yes, 1999
Biomass fractionation is performed with a modified Clextral twin-screw extruder used as a thermo-mechano-chemical reactor. This new process is firstly analyzed.
Altamore   +13 more
core   +2 more sources

[2.2](4,7)Isobenzofuranophanes - Synthesis, Characterisation and Reactivity [PDF]

open access: yes, 1994
The isomeric Diels-Alder adducts 3, obtained by cycloaddition of tetraphenylcyclopentadienone to the 4,5:12,13-bis-(oxanorbornadieno)[2.2]paracyclophanes syn,syn- and anti,-syn-2[Note ][The stereochemical descriptors syn and anti refer to the orientation
Bubenitschek, Peter   +6 more
core   +1 more source

Esters of Cinnamic Acid as Green Plasticizers for Polylactide Formulations with Improved Ductility

open access: yesMacromolecular Materials and Engineering, 2023
This study demonstrates the potential of different cinnamate esters, namely methyl trans‐cinnamate (MC), isobutyl cinnamate (IBC), allyl cinnamate (AC), and ethyl cinnamate (EC), as environmentally friendly plasticizers for polylactide (PLA). Plasticized
Alejandro Barandiaran   +6 more
doaj   +1 more source

Surface Modification of Melt Extruded Poly(ε-caprolactone) Nanofibers: Toward a New Scalable Biomaterial Scaffold. [PDF]

open access: yes, 2014
A photochemical modification of melt-extruded polymeric nanofibers is described. A bioorthogonal functional group is used to decorate fibers made exclusively from commodity polymers, covalently attach fluorophores and peptides, and direct cell growth ...
Baer, Eric   +5 more
core   +2 more sources

Preliminary investigation on auto-thermal extrusion of ground tire rubber [PDF]

open access: yes, 2019
Ground tire rubber (GTR) was processed using an auto-thermal extrusion as prerequisite to green reclaiming of GTR. The reclaimed GTR underwent a series of tests: thermogravimetric analysis combined with Fourier-transform infrared spectroscopy (TGA-FTIR),
Cañavate Ávila, Francisco Javier   +7 more
core   +2 more sources

HRXRD study of the theoretical densities of novel reactive sintered boride candidate neutron shielding materials [PDF]

open access: yes, 2020
Reactive Sintered Borides (RSBs) are novel borocarbide materials derived from FeCr-based cemented tungsten (FeCr-cWCs) show considerable promise as compact radiation armour for proposed spherical tokamak,[1],[2],[3],[4],[5].
Marshall, Jessica M.   +2 more
core   +1 more source

Effect of process parameters on the properties of LDPE/sepiolite composites

open access: yesPolímeros
This study examines the effect of processing parameters and reactive extrusion on the mechanical, thermal, morphological, and rheological properties of low-density polyethylene (LDPE) and sepiolite composites (LDPE/sepiolite: 95/5 wt/wt) produced by in ...
Priscila da Silva e Souza   +2 more
doaj   +1 more source

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