B29C67/04

Method for manufacturing three-dimensional object
11007725 · 2021-05-18 · ·

A method for manufacturing a three-dimensional object is provided. The method reduces the difference between the amount of build material used and the amount of decorative ink used. The method for manufacturing a three-dimensional object including an object body portion (A) and a decorative portion (C) is provided. The method includes forming the object body portion (A) from at least decorative ink and build material and forming the decorative portion (C) from the decorative ink. The decorative portion (C) covers the object body portion (A).

Polyarylene sulfide resin particulate and method of producing same

A polyarylene sulfide resin particulate has a mean particle diameter from more than 1 μm to 100 the uniformity is 4 or less, the melt viscosity measured at temperature of 300° C. and shear rate of 1216 sec.sup.−1 is 150 to 500 Pa.Math.s, and the recrystallization temperature, defined as temperature of the heat generation peak at the time of crystallization when cooled from 340° C. to 50° C. at 20° C./min using a differential scanning calorimeter, is 150 to 210° C. The polyarylene sulfide resin particulate is suitable as a material powder for producing a three-dimensional molding by a powder sintering three-dimensional printer can be provided efficiently.

Polyarylene sulfide resin particulate and method of producing same

A polyarylene sulfide resin particulate has a mean particle diameter from more than 1 μm to 100 the uniformity is 4 or less, the melt viscosity measured at temperature of 300° C. and shear rate of 1216 sec.sup.−1 is 150 to 500 Pa.Math.s, and the recrystallization temperature, defined as temperature of the heat generation peak at the time of crystallization when cooled from 340° C. to 50° C. at 20° C./min using a differential scanning calorimeter, is 150 to 210° C. The polyarylene sulfide resin particulate is suitable as a material powder for producing a three-dimensional molding by a powder sintering three-dimensional printer can be provided efficiently.

Manufacturing method, manufacturing apparatus, data processing method, data processing apparatus, data carrier

A method of manufacturing an object is provided. The method comprises depositing a first layer of construction material on a build platform. The method comprises depositing binder onto the first layer of construction material to bind at least a region of the first layer together to form a support layer. The method comprises depositing a second layer of construction material on the support layer to form a spacer layer. The method comprises depositing a third layer of construction material on the spacer layer. The method comprises depositing binder selectively onto the third layer to bind one or more regions of the third layer together to form a first layer of the object. Also provided are data processing methods, program carriers, data processing apparatus and manufacturing apparatus for implementing the method.

Manufacturing method, manufacturing apparatus, data processing method, data processing apparatus, data carrier

A method of manufacturing an object is provided. The method comprises depositing a first layer of construction material on a build platform. The method comprises depositing binder onto the first layer of construction material to bind at least a region of the first layer together to form a support layer. The method comprises depositing a second layer of construction material on the support layer to form a spacer layer. The method comprises depositing a third layer of construction material on the spacer layer. The method comprises depositing binder selectively onto the third layer to bind one or more regions of the third layer together to form a first layer of the object. Also provided are data processing methods, program carriers, data processing apparatus and manufacturing apparatus for implementing the method.

ADDITIVELY MANUFACTURING STRUCTURES COMPRISING CARBON
20210053831 · 2021-02-25 ·

Methods of forming solid carbon products include disposing a plurality of nanotubes in a press, and applying heat to the plurality of carbon nanotubes to form the solid carbon product. Further processing may include sintering the solid carbon product to form a plurality of covalently bonded carbon nanotubes. The solid carbon product includes a plurality of voids between the carbon nanotubes having a median minimum dimension of less than about 100 nm. Some methods include compressing a material comprising carbon nanotubes, heating the compressed material in a non-reactive environment to form covalent bonds between adjacent carbon nanotubes to form a sintered solid carbon product, and cooling the sintered solid carbon product to a temperature at which carbon of the carbon nanotubes do not oxidize prior to removing the resulting solid carbon product for further processing, shipping, or use.

ADDITIVELY MANUFACTURING STRUCTURES COMPRISING CARBON
20210053831 · 2021-02-25 ·

Methods of forming solid carbon products include disposing a plurality of nanotubes in a press, and applying heat to the plurality of carbon nanotubes to form the solid carbon product. Further processing may include sintering the solid carbon product to form a plurality of covalently bonded carbon nanotubes. The solid carbon product includes a plurality of voids between the carbon nanotubes having a median minimum dimension of less than about 100 nm. Some methods include compressing a material comprising carbon nanotubes, heating the compressed material in a non-reactive environment to form covalent bonds between adjacent carbon nanotubes to form a sintered solid carbon product, and cooling the sintered solid carbon product to a temperature at which carbon of the carbon nanotubes do not oxidize prior to removing the resulting solid carbon product for further processing, shipping, or use.

Sintered and porous articles having improved flexural strength

Polymer compositions containing polyethylene particles having a multi-modal molecular weight distribution are disclosed. The polymer compositions are well suited to producing porous substrates through a sintering process. Formulations made according to the present disclosure can produce porous substrates having improved flexibility demonstrated by an increased flexural strength while still retaining excellent pressure drop characteristics.

Sintered and porous articles having improved flexural strength

Polymer compositions containing polyethylene particles having a multi-modal molecular weight distribution are disclosed. The polymer compositions are well suited to producing porous substrates through a sintering process. Formulations made according to the present disclosure can produce porous substrates having improved flexibility demonstrated by an increased flexural strength while still retaining excellent pressure drop characteristics.

METHOD OF MANUFACTURING METAL-POLYMER COMPOSITE MATERIALS WITH HIGH THERMAL CONDUCTIVITY AND ELECTRICAL INSULATING PROPERTIES AND METAL-POLYMER COMPOSITE MATERIALS MANUFACTURED USING SAME
20210008616 · 2021-01-14 ·

This application relates to a method of manufacturing a metal-polymer composite material having high thermal conductivity and electrical insulating properties. The method may include preparing a powder mixture comprising polymer powder and metal powder, and spark plasma sintering (SPS) the powder mixture to produce a composite material. This application also relates to a metal-polymer composite material having high thermal conductivity and electrical insulating properties, manufactured by the method.