B29C2035/0877

Silicone mold
11247368 · 2022-02-15 · ·

Provided is a silicone mold with which a curable composition containing an epoxy resin can be molded with good precision even if used repeatedly. The silicone mold according to an embodiment of the present invention is a silicone mold for use in molding a curable composition containing an epoxy resin, the silicone mold including a cured product of a silicone resin composition, wherein the cured product has a light transmittance at a wavelength of 400 nm of 80% or higher at a thickness of 1 mm, an elongation at break in accordance with JIS K 7161 of 250% or less, and a thermal linear expansion coefficient of 350 ppm/° C. or less at 20 to 40° C.

IN-SITU CURING OVEN FOR ADDITIVE MANUFACTURING SYSTEM

A system is disclosed for additively manufacturing a composite structure. The system may include a head configured to discharge a continuous reinforcement that is at least partially coated with a matrix, and a housing trailing from the head and configured to at least partially enclose the continuous reinforcement after discharge. The system may also include a heat source disposed at least partially inside the oven, and a support configured to move the head during discharging.

MANUFACTURING METHOD WITH ADDITIVE COMPONENT PRODUCTION AND POST-PROCESSING
20220203454 · 2022-06-30 ·

The invention relates to a method of manufacturing components, comprising the steps of: a) manufacturing a component blank in an additive manufacturing process, comprising: a1) determining component regions of the component blank to be cured in an electronic planning process and generating a component blank data set defining the component regions to be cured, a2) arranging a raw material and selectively curing and joining the raw material in the component regions to be cured on the basis of the component blank data set to form the component blank, wherein the curing and joining of the raw material on the basis of the component blank data set is carried out such, that the component blank has a component blank density which is less than 99.5% of the density theoretically achievable with the raw material, b) compacting and solidifying the component blank to form a component in a hot isostatic pressing process, in which the component blank is heated in a furnace chamber to a temperature below the melting temperature of the raw material and is pressed by generating an overpressure in the furnace chamber by means of a furnace chamber pressure of at least 50 bar.

TUBE AND METHOD FOR MAKING SAME

A tube includes at least one fluoropolymer layer, the tube having an inner surface and an outer surface, wherein the at least one fluoropolymer layer includes a fluoropolymer having a heat shrink temperature of less than 250° C., wherein the outer surface of the tube is crosslinked and the inner surface of the tube is not crosslinked.

Surface treatment method and surface treatment device for resin vessel

A surface treatment method and a surface treatment device 2 for a resin vessel 1 forms a coating or performs surface modification on the surface of the resin vessel 1. In a sterilized environment as well as an environment with a pressure equal to or higher than the atmospheric pressure, a material for the coating or the surface modification is attached to at least one of an inner surface and an outer surface of the resin vessel 1, and the resin vessel 1, to which the material is attached, is irradiated with an electron beam to perform the coating or the surface modification. It is possible to form the coating or perform the surface modification on the resin vessel at a high speed.

Oriented polypropylene film with improved blocking resistance

The present disclosure is directed to a film formulation that resulted in a substantially non-migratory cold seal release film with improved blocking resistance. Specifically, the multilayered biaxially oriented polypropylene film can include a core layer of polypropylene homopolymer; a first outer layer on one side of the core layer that can be suitable for sealing, printing, or coating; and a second outer layer on the opposite side of the core layer that is a blocking resistant layer comprising thermoplastic polymers which reduce blocking tendency.

Apparatus and method for making information carrying cards through radiation curing, and resulting products
11358379 · 2022-06-14 · ·

The disclosure provides a method for forming an information carrying card or a core layer of an information carrying card using a radiation curing, and an apparatus configured to provide such a radiation curing. The method includes providing a carrier layer that defines at least one cavity, providing an inlay layer supporting at least one electronic component, and positioning at least a portion of the inlay layer in the at least one cavity. The method further comprises dispensing a radiation crosslinkable polymer composition over the inlay layer, and irradiating the radiation crosslinkable polymer composition.

Methods of producing polyolefin foam sheets and articles made thereof

A method of manufacturing a polyolefin foam sheet composition includes extruding a polyolefin sheet, irradiating the extruded sheet to obtain a physically crosslinked sheet, foaming the physically crosslinked sheet with heat to obtain a foamed layer, and skiving the foamed layer to obtain a foam sheet with at least one skived surface. The surface roughness of the skived surface of the foam sheet is different from the surface roughness of an unskived surface.

Producing a bellows

Bellows, for example, a roll bellows and a folding bellows, can be produced that can be used at higher temperatures such as those prevailing in modern articulated constructions, using a mixture comprising at least one thermoplastic elastomer selected from the group of copolysters with a hard segment and a soft segment, wherein in a first step the at least one thermoplastic elastomer is mixed with approximately 0.8 wt. % to approximately 5 wt. % triallyl isocyanurate, based on the total amount of the mixture; in a second step the bellows is produced; and in a third step, the bellows is exposed to an ionizing irradiation in a range from approximately 140 kGy to approximately 350 kGy.

Process for nanostructuring carbon fibers embedded in FRPS based on the use of sulphur in combination with aromatic hydrocarbon groups and on the use of laser radiation

A process for the nanostructuring of fibers in fiber-composite plastics, where a sulfur-containing nanostructure is formed. Also, a plastics matrix with such nanostructured fibers is disclosed, and also a process for the repair of fibers in a fiber-composite plastic.