B29K2509/02

Face films and pressure sensitive laminates for printing

Microporous structures in face films are described for improving printability of the films. Also described are laminates and pressure sensitive adhesive laminates including the microporous structured face films. Various related methods are additionally described.

PRINTING A CHEMICAL MECHANICAL POLISHING PAD
20230278159 · 2023-09-07 ·

A method of fabricating a polishing layer of a polishing pad includes successively depositing a plurality of layers with a 3D printer, each layer of the plurality of polishing layers deposited by ejecting a pad material precursor from a nozzle and solidifying the pad material precursor to form a solidified pad material.

METHOD FOR PRODUCING THREE-DIMENSIONAL MOLDED PARTS AND REGULATING THE MOISTURE CONTENT IN BUILD MATERIAL

A method for producing three-dimensional molded parts by means of layering, the moisture content of the build material mixture being able to be regulated.

PHOTOCURABLE PIEZOELECTRIC COMPOSITES AND USE THEREOF IN ADDITIVE MANUFACTURING

Parts made by additive manufacturing are often structural in nature, rather than having functional properties conveyed by a polymer or other component present therein. Printed parts having piezoelectric properties may be formed using compositions comprising a plurality of piezoelectric particles and a polymer material comprising at least one thermoplastic polymer and at least one photocurable polymer precursor. The at least one photocurable polymer precursor may undergo a reaction in the presence of electromagnetic radiation, optionally undergoing a reaction with the piezoelectric particles, in the course of forming the printed part. The piezoelectric particles may be mixed with the polymer material and remain substantially non-agglomerated when combined with the polymer material. The compositions may define a form factor such as a composite filament, a composite pellet, or an extrudable composite paste, which may be utilized in forming printed parts by extrusion and layer-by-layer deposition, followed by curing.

PIEZOELECTRIC COMPOSITES HAVING LOCALIZED PIEZOELECTRIC PARTICLES AND USE THEREOF IN ADDITIVE MANUFACTURING

Parts made by additive manufacturing are often structural in nature, rather than having functional properties conveyed by a polymer or other component present therein. Printed parts having piezoelectric properties may be formed using compositions comprising a polymer matrix comprising a first polymer material and a second polymer material that are immiscible with each other, and a plurality of piezoelectric particles substantially localized in one of the first polymer material or the second polymer material. The piezoelectric particles may remain substantially non-agglomerated when combined with the polymer matrix. The compositions may define a form factor such as a composite filament, a composite pellet, or an extrudable composite paste. Additive manufacturing processes using the compositions may comprise forming a printed part by depositing the compositions layer-by-layer.

COMPOSITE BODY HAVING HIGH THERMAL CONDUCTIVITY AND METHOD OF MAKING THE COMPOSITE BODY

A composite article can comprise a composite body including an organic polymer and ceramic particles comprising hexagonal boron nitride (hBN) particles distributed throughout the organic polymer, wherein an amount of the hBN particles ranges from 20 vol % to 40 vol % based on a total volume of the body; and the body comprises an in plane thermal conductivity of at least 10 W/mK. The hBN particles within the composite body can have a March-Dollase Orientation parameter η of at least 50%.

PIEZOELECTRIC COMPOSITES COMPRISING CARBON NANOMATERIALS AND USE THEREOF IN ADDITIVE MANUFACTURING

Parts made by additive manufacturing are often structural in nature, rather than having functional properties conveyed by a polymer or other component present therein. Printed parts having piezoelectric properties may be formed using compositions that are extrudable and comprise a plurality of piezoelectric particles and a plurality of carbon nanomaterials dispersed in at least a portion of a polymer material. The piezoelectric particles may remain substantially non-agglomerated when combined with the polymer material. The polymer material may comprise at least one thermoplastic polymer, optionally further containing at least one polymer precursor. The compositions may define an extrudable material that is a composite having a form factor such as a composite filament, a composite pellet, a composite powder, or a composite paste. Additive manufacturing processes using the compositions may comprise forming a printed part by depositing the compositions layer-by-layer.

Resin composition for three-dimensional modeling, three-dimensional modeled article, and method for manufacturing three-dimensional modeled article
11795312 · 2023-10-24 · ·

The present invention addresses the problem of providing a three-dimensional modeled article having high dimensional precision, high strength, and high ductility, and a resin composition for a three-dimensional modeled article, the resin composition being used to fabricate the three-dimensional modeled article, and of providing a method for manufacturing a three-dimensional modeled article. To address this problem, a resin composition for a three-dimensional modeled article according to the present invention contains resin particles having a continuous phase including a thermoplastic resin, and a dispersed phase including a thermoplastic elastomer, dispersed in the continuous phase, the amount of the thermoplastic elastomer therein being 1-12 parts by mass with respect to a total of 100 parts by mass of the thermoplastic resin and the thermoplastic elastomer.

RESIN COMPOSITION FOR INJECTION MOLDING AND INJECTION-MOLDED ARTICLE
20230365806 · 2023-11-16 · ·

A resin composition contains a poly(3-hydroxyalkanoate) resin component, and the poly(3-hydroxyalkanoate) resin component includes a copolymer (A) which is a copolymer of 3-hydroxybutyrate units and other hydroxyalkanoate units and in which the content of the other hydroxyalkanoate units is from 1 to 6 mol % and a copolymer (B) which is a copolymer of 3-hydroxybutyrate units and other hydroxyalkanoate units and in which the content of the other hydroxyalkanoate units is 24 mol % or more. The resin composition further contains a layered clay mineral (C). The proportion of the copolymer (A) is from 72 to 93 wt %, and the proportion of the copolymer (B) is from 7 to 28 wt %. The amount of the layered clay mineral (C) is from 5 to 45 parts by weight per 100 parts by weight of the total poly(3-hydroxyalkanoate) resin component.

PIEZOELECTRIC COMPOSITES HAVING IMMISCIBLE POLYMER MATERIALS AND USE THEREOF IN ADDITIVE MANUFACTURING

Parts made by additive manufacturing are often structural in nature, rather than having functional properties conveyed by a polymer or other component present therein. Printed parts having piezoelectric properties may be formed using compositions comprising a polymer matrix comprising a first polymer material and a second polymer material that are immiscible with each other, and a plurality of piezoelectric particles located in at least a portion of the polymer matrix. The piezoelectric particles may remain substantially non-agglomerated when combined with the polymer matrix. The compositions may define an extrudable material that is a composite having a form factor such as a composite filament, a composite pellet, a composite powder, or a composite paste. Additive manufacturing processes using the compositions may comprise forming a printed part by depositing the compositions layer-by-layer.