Abstract:
The present invention relates to a method for the preparation of polymer shells, preferably composed of cellulose or hemicellulose, comprising the steps of dissolving the polymer component in a first solvent, preferably an organic solvent and precipitating the polymer component by contacting the first solution with a second solvent, which second solvent has a polar character, and in which second solvent the polymer component is essentially insoluble, thereby obtaining polymer shells. Moreover, the invention refers to the polymer shells as such, having permeable and responsive properties, as well as various applications comprising such polymer shells within the fields of drug delivery, separation techniques, and inter alia filling material.
Abstract:
The present invention relates to films comprising a xyloglucan comprising not more than 11 mol % galactose residues, as well as a method for making such films, and its use as an oxygen barrier.
Abstract:
The present invention relates to cellular solid materials comprising cellulose nanofibers (CNF) and an anionic or non-ionic surfactant, a method for preparation of such materials, as well as their use.
Abstract:
A system for feeding and pumping of less pumpable material in a conduit line (28) is disclosed, comprising at least one main pump (10) for feeding of said less pumpable material into the conduit line (28), and a receiver unit (50) for receipt of the less pumpable material from the conduit line (28), wherein one or more independent driven compensators (40) are included in the conduit line (28) to maintain stable flow, said one or more compensators (40) being a fillable chamber (14;70) adapted to controllably being pressurized for additional feeding of the material through the conduit line.
Abstract:
A transparent wood comprising at least one polymer and a wood substrate comprising more than 15% lignin, measured as Klason lignin, and having an optical transmittance of at least 60%, as well as a method for its preparation.
Abstract:
The present invention relates to a structure for the controlled release of at least one active substance, where the structure comprises the active substance and a cellular solid material comprising cellulose nanofibers (CNF). The structure has a density of less than 1000 kg/m3, and the cellular solid material comprises closed cells. The invention further relates to a method for preparing the structure; as well as the use of the structure.
Abstract:
The present invention relates to cellulose nanofibrils decorated with magnetic nanoparticles as well as a method for the preparation thereof and a material comprising the nanofibrils.
Abstract:
A transparent wood comprising at least one polymer and a wood substrate comprising more than 15% lignin, measured as Klason lignin, and having an optical transmittance of at least 60%, as well as a method for its preparation.
Abstract:
The present invention relates to cellular solid materials comprising cellulose nanofibers (CNF) and an anionic surfactant, a method for preparation of such materials, as well as their use.