B29K2001/00

CELLULOSE NANOFIBRILLAR BIOINK FOR 3D BIOPRINTING FOR CELL CULTURING, TISSUE ENGINEERING AND REGENERATIVE MEDICINE APPLICATIONS
20170368225 · 2017-12-28 · ·

The present invention relates to biomaterial in the form of dispersion of cellulose nanofibrils with extraordinary shear thinning properties which can be converted into desire 3D shape using 3D Bioprinting technology. In this invention cellulose nanofibril dispersion, is processed through different mechanical, enzymatic and chemical steps to yield dispersion with desired morphological and rheological properties to be used as bioink in 3D Bioprinter. The processes are followed by purification, adjusting of osmolarity of the material and sterilization to yield biomaterial which has cytocompatibility and can be combined with living cells. Cellulose nanofibrils can be produced by microbial process but can also be isolated from plant secondary or primary cell wall, animals such as tunicates, algae and fungi. The present invention describes applications of this novel cellulose nanofibrillar bioink for 3D Bioprinting of tissue and organs with desired architecture.

Injection-molded composite construct

A frame is injection molded onto a group of panels to form a container. The panels extend at least partially around, and at least partially define, a cavity of the container.

Sheet manufacturing apparatus and sheet manufacturing method
09849634 · 2017-12-26 · ·

A sheet manufacturing apparatus includes a mixing unit that mixes fibers and a composite in the atmosphere, a forming unit that deposits and heats a mixture mixed by the mixing unit to form a sheet; in which the composite is resin particles with at least a portion of a surface coated by inorganic fine particles, and an absolute value of an average charging amount of the composite is 40 μC/g or higher.

Biodegradable and Industrially Compostable Injection Molded Microcellular Flexible Foams, and a Method of Manufacturing the Same
20220379528 · 2022-12-01 · ·

A process for injection molded microcellular foaming various flexible foam compositions from biodegradable and industrially compostable bio-derived thermoplastic resins for use in, for example, footwear components, seating components, protective gear components, and watersport accessories wherein a process of manufacturing includes the steps of: producing a suitable thermoplastic biopolymer or biopolymer blend; injection molding the thermoplastic biopolymer or biopolymer blend into a suitable mold shape with inert nitrogen gas; controlling the polymer melt, pressure, temperature, and time such that a desirable flexible foam is formed; and utilizing gas counterpressure in the injection molding process to ensure the optimal foam structure with the least amount of cosmetic defects and little to no plastic skin on the outside of the foamed structure.

PROCESS FOR PRODUCING A THERMOPLASTIC MATERIAL, A PROCESS OF FORMING A GRANULATE OR EXTRUDATE, THERMOPLASTIC PRODUCT AND USE OF THE THERMOPLASTIC MATERIAL
20230183485 · 2023-06-15 ·

A process for producing a thermoplastic material for use as powder or slurry for further processing such as injection molding or coating, comprising the steps of mixing a biomass containing prolamins, such as a grain source or a water insoluble fraction of a grain, having prolamins and lipids, and an organic solvent to obtain undissolved components and dissolved components comprising dissolved prolamin, lipids and other dissolved components, extracting the dissolved components into a first liquid and extracting undissolved components in a first solid under the specific conditions. separating the first solid from the first liquid, recovering the thermoplastic material from the first liquid as powder by removing organic solvent under the conditions of maintaining temperature of the prolamins below 80° C., preferably below 75° C., maintaining a dielectric constant εr between 30 and 42 at 25° C., and maintaining a pressure level at below 2 bar.

CAPSULE FOR DISPENSING BEVERAGES AND METHOD FOR ITS MANUFACTURE
20170334623 · 2017-11-23 · ·

It is described a capsule (10) for dispensing a beverage comprising: a main body (20) suitable for containing a product (P) to be dispensed, which comprises a bottom (22) and a side wall (24), extending from said bottom (22) and ending with an edge (26); a closing member (30) suitable for sealably closing said main body (20); and at least one first valve means (40) suitable for allowing the beverage to come out from the capsule (10) or for allowing a liquid to enter into the capsule (10). The main body (20) is made from cellulose pulp, the closing member (30) is made from biocompatible material and the capsule (10) further comprises a first sealing film made from edible material comprising at least one salt of alginic acid (23) and positioned inside said bottom (22) of the main body (20) at least at said at least one first valve means (40). It is also described a method for manufacturing a capsule for dispensing a beverage, as defined above.

ROOF COVER BOARD WITH IMPROVED FRAGMENT SIZE AND PLASTIC-TO-PAPER RATIO

Disclosed herein is a roof cover board and a method of manufacturing an improved cover board product. The method includes receiving waste materials or first use materials, the waste materials or first use materials containing a mixture of cellulose, plastic and other materials; separating the cellulose and the plastic from the mixture; shredding the separated cellulose using a first shredder into a stream of cellulose and shredding the separated plastic using a second shredder into a stream of plastic; selecting a cellulose to plastic ratio from a plurality of cellulose to plastic ratios; metering shredded cellulose from the stream of cellulose and shredded plastic from the stream of plastic according to the selected cellulose to plastic ratio; mixing the metered shredded cellulose and plastic; forming said mixture into a mat; and consolidating the mat into a finished good using heat and pressure.

Cellulose-fiber-dispersing polyolefin resin composite material, pellet and formed body using same, and production method for cellulose-fiber-dispersing polyolefin resin composite material

A cellulose-fiber-dispersing polyolefin resin composite material, containing a polyolefin resin containing a polypropylene resin, and a cellulose fiber dispersed in the polyolefin resin, in which a proportion of the cellulose fiber is 1 mass part or more and 70 mass parts or less in a total content of 100 mass parts of the polyolefin resin and the cellulose fiber, and the polyolefin resin satisfies the expression: Mz/Mw≥4, which is a ratio of Z-average molecular weight Mz to weight-average molecular weight Mw to be obtained by a gel permeation chromatography measurement; a pellet or a formed body using this composite material; and a production method for the composite material.

METHOD FOR PREPARING HOT STAMPING HOLLOW CYLINDRICAL EPE SLIVER IN 360 DEGREE
20170305062 · 2017-10-26 · ·

A method for preparing hot stamping cylindrical EPE sliver, including the following steps: Step 1, prepare a hot stamping die: an annular pattern, which is annular and will be stamped on the surface of a hollow cylindrical EPE sliver, is expanded as a planar pattern to prepare a flat stamping die. Step 2, the flat stamping die is installed on a heating device of a hot stamping machine, and a hot stamping temperature is adjusted. Step 3, the hollow cylindrical EPE sliver is set in a rotation axis of the stamping machine. Step 4, form a figuration by extruding each other when the rotating EPE sliver figuration passes through said hot stamping pattern on said stamping die. Step 5, the rotational speed of the rotation axis and the horizontal speed are set equally. Step 6, start-up a hot stamping button, therefore resulting in perfect hot stamping in 360 degree.

Method for forming a trim element having a layer of ligneous material and an engraved pattern
09796129 · 2017-10-24 · ·

A vehicle trim element is formed by a method that includes the steps of: applying a film on the front face of a layer of ligneous material, with the applied film having at least one engraved pattern; placing the layer of ligneous material together with the applied film in a forming tool, with the front face of the layer being turned towards a wall of the forming tool; pressing the layer of ligneous material together with the applied film against the wall such that the layer adopts the shape of the trim element to be produced and such that, during the pressing of the layer and applied film, the engraved pattern is transferred to the front face of the layer; and removing the film after the pressing of the layer of ligneous material in order to obtain the trim element having a front face with the engraved pattern.