B29C39/24

Polyvinyl chloride cover layer for a vehicle interior component
11117530 · 2021-09-14 · ·

A method of manufacturing a cover layer for a vehicle interior component includes forming a mold cavity via a first surface and a second surface spaced apart from one another by a distance. The first surface is configured to form a show surface of the cover layer, the second surface is configured to form a rear surface of the cover layer, and the distance is less than or equal to 1 mm. The method of manufacturing the cover layer also includes heating the first surface and/or the second surface, and flowing liquid polyvinyl chloride into the mold cavity to form the cover layer.

METHOD FOR MAKING A THREE-DIMENSIONAL OBJECT
20210170640 · 2021-06-10 · ·

A method, composition and kit that enable the creation of a three-dimensional object by the action of placing at least one molding composition of at least one color or type into a mold, and then subsequently placing the mold within a liquid hardening agent to cure and solidify the molding composition enough so the three-dimensional object can be removed from the mold and become an object of display or a toy to be played with.

METHOD FOR MAKING A THREE-DIMENSIONAL OBJECT
20210170640 · 2021-06-10 · ·

A method, composition and kit that enable the creation of a three-dimensional object by the action of placing at least one molding composition of at least one color or type into a mold, and then subsequently placing the mold within a liquid hardening agent to cure and solidify the molding composition enough so the three-dimensional object can be removed from the mold and become an object of display or a toy to be played with.

Method for producing an optical cast body having a holographic optical element, and optical cast body

The invention relates to a process for producing an optical casting comprising at least one volume-holographic optical element by means of at least one casting operation, the process comprising the following steps: providing a casting mould comprising a first mould section having a flat, spherical, aspherical or free-form first surface and a second mould section having a flat, spherical, aspherical or free-form second surface, the first mould section being connectable to the second mould section to form the casting mould, providing at least one holographic optical element, positioning and aligning the at least one holographic optical element with respect to the first mould section or/and with respect to the second mould section, combining the first and second mould sections to form the casting mould, introducing casting material in one or more casting steps, the casting material having a maximum viscosity at 25° C. of 100 000 mPas, curing the casting material, removing the cured casting material comprising the at least one holographic optical element from the casting mould, the at least one holographic optical element being at least partly surrounded by the casting material.

Method for producing an optical cast body having a holographic optical element, and optical cast body

The invention relates to a process for producing an optical casting comprising at least one volume-holographic optical element by means of at least one casting operation, the process comprising the following steps: providing a casting mould comprising a first mould section having a flat, spherical, aspherical or free-form first surface and a second mould section having a flat, spherical, aspherical or free-form second surface, the first mould section being connectable to the second mould section to form the casting mould, providing at least one holographic optical element, positioning and aligning the at least one holographic optical element with respect to the first mould section or/and with respect to the second mould section, combining the first and second mould sections to form the casting mould, introducing casting material in one or more casting steps, the casting material having a maximum viscosity at 25° C. of 100 000 mPas, curing the casting material, removing the cured casting material comprising the at least one holographic optical element from the casting mould, the at least one holographic optical element being at least partly surrounded by the casting material.

INJECTION MOLDING TO GENERATE COMPLEX HYDROGEL GEOMETRIES FOR CELL ENCAPSULATION

Provided herein is a cell macroencapsulation device composed of hydrogel in a 3D conformation that optimizes encapsulated cell viability and function when transplanted into a vascularized tissue space. The hydrogel macroencapsulation device is intended to reduce or eliminate immune response to the cell graft, while allowing exchange of encapsulated cell-secreted products, such as insulin. Also described herein is an injection-mold and fabrication process to generate the hydrogel macroencapsulation devices for use in the clinic.

Processed slabs, and systems and methods related thereto

This document describes systems and processes for forming synthetic molded slabs, which may be suitable for use in living or working spaces (e.g., along a countertop, table, floor, or the like).

Processed slabs, and systems and methods related thereto

This document describes systems and processes for forming synthetic molded slabs, which may be suitable for use in living or working spaces (e.g., along a countertop, table, floor, or the like).

Curable composition and cured product from same
10988569 · 2021-04-27 · ·

Provided is a curable composition which has excellent curability, less causes silicone molds to swell, and allows the silicone molds to have better durability and a longer service life in repeated use. The curable composition according to the present invention is a curable composition for production of an optical component by molding using silicone molds. The curable composition contains curable compounds and a cationic initiator. The curable compounds include (A) a cycloaliphatic epoxy compound and (B) an oxetane compound. The oxetane compound (B) is present in a content of 10 to 45 weight percent of the totality of all the curable compounds contained in the curable composition. Of the totality of all the curable compounds contained in the curable composition, 90 weight percent or more is a compound or compounds having a solubility parameter of 9.0 (cal/cm.sup.3).sup.½ or more as determined at 25° C. by the Fedors' method.

Curable composition and cured product from same
10988569 · 2021-04-27 · ·

Provided is a curable composition which has excellent curability, less causes silicone molds to swell, and allows the silicone molds to have better durability and a longer service life in repeated use. The curable composition according to the present invention is a curable composition for production of an optical component by molding using silicone molds. The curable composition contains curable compounds and a cationic initiator. The curable compounds include (A) a cycloaliphatic epoxy compound and (B) an oxetane compound. The oxetane compound (B) is present in a content of 10 to 45 weight percent of the totality of all the curable compounds contained in the curable composition. Of the totality of all the curable compounds contained in the curable composition, 90 weight percent or more is a compound or compounds having a solubility parameter of 9.0 (cal/cm.sup.3).sup.½ or more as determined at 25° C. by the Fedors' method.