The invention provides a composition comprising a seaweed extract in an amount of 50-90% by weight, a water-soluble cellulose derivative in an amount of 10-40% by weight and water in an amount of 1-20% by weight, of the total weight of the composition. The invention also provides products, including packaging material, formed from the composition, a method of dissolving, composting and biodegrading the composition or the products, a method of producing the composition and the products, and a method of re-working the composition.

A plant of recycling heterogeneous plastic materials comprises: an infeed stage (2) of the plastic material to be recycled, a processing stage (3) of the plastic material fed by said infeed stage (2) and an extraction stage (4) of the plastic material processed in said processing stage (3), wherein said processing stage (3) of the plastic material comprises a rubbing and drying chamber (5) of the fed plastic material suitable for achieving a reduction of the volume and homogenization with drying of the processed material inside said rubbing and drying chamber (5).

A plant of recycling heterogeneous plastic materials comprises: an infeed stage (2) of the plastic material to be recycled, a processing stage (3) of the plastic material fed by said infeed stage (2) and an extraction stage (4) of the plastic material processed in said processing stage (3), wherein said processing stage (3) of the plastic material comprises a rubbing and drying chamber (5) of the fed plastic material suitable for achieving a reduction of the volume and homogenization with drying of the processed material inside said rubbing and drying chamber (5).

Disclosed is a charging barrel of an infrared dehumidification, crystallization and drying all-in-one machine and a drying machine. The cross section of the charging barrel is in the shape of a polygon, and the side number of the polygon is larger than the side number of a pentagon; an opening is formed in one end, as a feeding end, of the charging barrel; each plate surface forming the polygonal charging barrel comprises a middle plate part, as well as a first closing-up plate part and a second closing-up plate part which are arranged at the two ends of the middle plate part; the first closing-up plate part and the second closing-up plate part form obtuse angles with the middle plate part and are closed up towards the middle; a discharge hole is formed in the side wall of the charging barrel

A method for reducing an amount of a contaminant in a thermoplastic polymer comprising shearing a combination comprising a contaminated thermoplastic polymer in melt form, water, and a dispersing agent where the shearing causes a portion of the contaminant to be removed from the contaminated thermoplastic polymer (e.g. moved into an aqueous phase with the water or into another separate phase from the water and the polymer), and after shearing, separating the thermoplastic from the aqueous phase to recover thermoplastic polymer.

A deodorization method and apparatus are disclosed to eliminate, reduce or correct the odour of incoherent plastics, i.e. in the form of granules and/or microgranules and/or powder and/or flakes or the like, with a container of the incoherent plastics, an actuator for generating a process gas flow from a gas inlet to a gas outlet of said container, an olfactory sensor arranged to detect odorous emissions in the process gas exiting from said container, a controller configured to control at least one parameter of the process gas on the basis of an odour intensity measured by said olfactory sensor, with the aim of eliminating the substances that cause undesired odours from the incoherent plastics that is usable in a transformation process to make an end product.

The present invention relates to a process for the manufacturing of composite materials from natural fibers and thermoplastic polymers. Examples of fibers are wood fibers originating from pulping processes known as refiner pulp (RMP), thermomechanical pulp (TMP) or chemi-thermomechanical pulp (CTMP), but the process can also be applied to other kinds of natural fiber containing raw materials. In the process according to the present invention, fibers are introduced from the blowline or the housing of a refiner into a flash tube dryer, separated from humid air in a cyclone, introduced into a compounder and mixed with at least one thermoplastic polymer and the product is subsequently pelletized. The process according to the present invention is advantageously run as a continuous process.

The present invention relates to a process for the manufacturing of composite materials from natural fibers and thermoplastic polymers. Examples of fibers are wood fibers originating from pulping processes known as refiner pulp (RMP), thermomechanical pulp (TMP) or chemi-thermomechanical pulp (CTMP), but the process can also be applied to other kinds of natural fiber containing raw materials. In the process according to the present invention, fibers are introduced from the blowline or the housing of a refiner into a flash tube dryer, separated from humid air in a cyclone, introduced into a compounder and mixed with at least one thermoplastic polymer and the product is subsequently pelletized. The process according to the present invention is advantageously run as a continuous process.

A composite filament for use in additive manufacturing such as fused filament fabrication is provided, along with methods of its construction, and use incorporation application of sonic energy during the composite filament during initial formation. The composite filament allows for formation of work pieces having a complicated shape that can incorporate continuous filaments in multiple directions and orientations, which can lead to the production of stronger and more useful composite structures.

A composite filament for use in additive manufacturing such as fused filament fabrication is provided, along with methods of its construction, and use incorporation application of sonic energy during the composite filament during initial formation. The composite filament allows for formation of work pieces having a complicated shape that can incorporate continuous filaments in multiple directions and orientations, which can lead to the production of stronger and more useful composite structures.