Patent classifications
B29B11/10
Filament resin molded article
Provided is a filament resin molded article capable of reliably maintaining a shape of a 3D model when a shape memory resin is three-dimensionally formed. With the filament resin molded article, it is possible to form 3D models of various shapes, and to improve a curing speed. The filament resin molded article contains a shape memory resin and an inorganic filler. The inorganic filler is, for example, a glass fiber or a carbon fiber. The filament resin molded article is used for a hot melt lamination type 3D printer. A deformed shape is fixed by deforming a 3D shaped object formed using the filament resin molded article containing the shape memory resin, at a temperature which is equal to or higher than a glass transition temperature (Tg) of the shape memory resin and lower than a melting temperature or a decomposition temperature, and cooling the 3D shaped object to the glass transition temperature or lower while maintaining its shape. An original molded shape is recovered by heating the 3D-shaped object in the temperature which is equal to or higher than a glass transition temperature, and lower than a melting temperature or a decomposition temperature.
Filament resin molded article
Provided is a filament resin molded article capable of reliably maintaining a shape of a 3D model when a shape memory resin is three-dimensionally formed. With the filament resin molded article, it is possible to form 3D models of various shapes, and to improve a curing speed. The filament resin molded article contains a shape memory resin and an inorganic filler. The inorganic filler is, for example, a glass fiber or a carbon fiber. The filament resin molded article is used for a hot melt lamination type 3D printer. A deformed shape is fixed by deforming a 3D shaped object formed using the filament resin molded article containing the shape memory resin, at a temperature which is equal to or higher than a glass transition temperature (Tg) of the shape memory resin and lower than a melting temperature or a decomposition temperature, and cooling the 3D shaped object to the glass transition temperature or lower while maintaining its shape. An original molded shape is recovered by heating the 3D-shaped object in the temperature which is equal to or higher than a glass transition temperature, and lower than a melting temperature or a decomposition temperature.
RECYCLING OF A SHOE
The present invention provides a method for recycling a shoe (100), the shoe (100) comprising various components made from the same material class with varying densities, the method comprises milling (210) the shoe (100) to obtain a plurality of particles (212), the particles (212) having different material densities, mixing (240) the particles, applying heat (312) to the mixed particles (242) to obtain a melt of molten particles and extruding (317) the melt.
RECYCLING OF A SHOE
The present invention provides a method for recycling a shoe (100), the shoe (100) comprising various components made from the same material class with varying densities, the method comprises milling (210) the shoe (100) to obtain a plurality of particles (212), the particles (212) having different material densities, mixing (240) the particles, applying heat (312) to the mixed particles (242) to obtain a melt of molten particles and extruding (317) the melt.
Curable resin composition and fiber reinforced resin matrix composite material
A curable resin composition contains a curable resin that comprises at least one non-aromatic epoxy compound, at least one non-aromatic oxetane compound, or a mixture thereof, one or more curing agents selected from Lewis acid:Lewis base complexes, and a cure accelerating amount of one or more anhydride compounds. A method accelerating the cure of a curable resin composition, comprising adding a cure accelerating amount of one or more anhydride compounds to a curable resin composition comprising a curable resin that comprises at least one non-aromatic epoxy compound or non-aromatic oxetane compound and a curing agent that comprises one or more Lewis acid-base complexes. The composition and method are useful in making fiber reinforced resin matrix composite articles.
Curable resin composition and fiber reinforced resin matrix composite material
A curable resin composition contains a curable resin that comprises at least one non-aromatic epoxy compound, at least one non-aromatic oxetane compound, or a mixture thereof, one or more curing agents selected from Lewis acid:Lewis base complexes, and a cure accelerating amount of one or more anhydride compounds. A method accelerating the cure of a curable resin composition, comprising adding a cure accelerating amount of one or more anhydride compounds to a curable resin composition comprising a curable resin that comprises at least one non-aromatic epoxy compound or non-aromatic oxetane compound and a curing agent that comprises one or more Lewis acid-base complexes. The composition and method are useful in making fiber reinforced resin matrix composite articles.
ASA-BASED RESIN COMPOSITION, MOLDED ARTICLE INCLUDING ASA-BASED RESIN COMPOSITION, AND METHOD OF MANUFACTURING MOLDED ARTICLE
Disclosed is an ASA resin composition, a molded article including the ASA resin composition, and a method of manufacturing the molded article. Also disclosed is an ASA resin composition including 20 to 47% by weight of an acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer containing acrylate rubber having an average particle diameter of 50 to 150 nm as a core; 23 to 55% by weight of an alkyl methacrylate-aromatic vinyl compound-vinyl cyanide compound copolymer; and 25 to 45% by weight of a poly(alkyl methacrylate) resin, a molded article including the ASA resin composition, and a method of manufacturing the molded article. Also disclosed is an ASA resin composition having excellent colorability and transparency even at a processing thickness of a predetermined value while having excellent mechanical properties and processability, a molded article including the ASA resin composition, and a method of manufacturing the molded article are provided.
Medical implant preform produced using an inside out flipping method
A method of making a medical implant is provided by electrospinning a polymer solution to form a preform around a mandrel. The formed preform distinguishes an inner surface and an outer surface. The formed preform is removed from the mandrel and flipped inside-out resulting in the inner surface of the formed preform becoming the outer surface of the inside-out flipped preform, and the outer surface of the formed preform becoming the inner surface of the inside-out flipped preform. At least part of the inside-out flipped preform forms the medical implant such as e.g. an artificial heart valve, an artificial leaflet, an artificial graft, or an artificial vessel. The products made according to the method of this invention greatly improve the performance and durability of the medical implant.
Medical implant preform produced using an inside out flipping method
A method of making a medical implant is provided by electrospinning a polymer solution to form a preform around a mandrel. The formed preform distinguishes an inner surface and an outer surface. The formed preform is removed from the mandrel and flipped inside-out resulting in the inner surface of the formed preform becoming the outer surface of the inside-out flipped preform, and the outer surface of the formed preform becoming the inner surface of the inside-out flipped preform. At least part of the inside-out flipped preform forms the medical implant such as e.g. an artificial heart valve, an artificial leaflet, an artificial graft, or an artificial vessel. The products made according to the method of this invention greatly improve the performance and durability of the medical implant.
Filament compositions for fused filament fabrication and methods of use thereof
The disclosure generally relates to filaments and in particular, filaments for use in fused filament fabrication to prepare 3D printed articles. The filaments comprising a polymer composition, said polymer composition comprising: a) about 5 wt. % to about 60 wt. % of a thermoplastic polymer A having a melting peak temperature greater than 40° C.; b) about 95 wt. % to about 40 wt. % of a thermoplastic polymer B having a melting peak temperature greater than 20° C.; c) optionally from about 0.1 to 3 wt. % of a viscosity modifier; wherein: the melting peak temperature of thermoplastic polymer A is at least 20° C. greater than the melting peak temperature of thermoplastic polymer B; thermoplastic polymer A is dispersed in thermoplastic polymer B; and the polymer composition has a melt index of at least 0.1 g/10 minutes using a 10 kg weight measured according to ASTM D1238-13 at a temperature which is less than the melting peak temperature of thermoplastic polymer A and which is greater than the melting peak temperature of thermoplastic polymer B.