B32B2264/107

PISTON INCLUDING A COMPOSITE LAYER APPLIED TO METAL SUBSTRATE
20230088665 · 2023-03-23 ·

A piston for a heavy duty diesel engine including a composite layer forming at least a portion of a combustion surface is provided. The composite layer has a thickness greater than 500 microns and includes a mixture of components typically used to form brake pads, such as a thermoset resin, an insulating component, strengthening fibers, and an impact toughening additive. According to one example, the thermoset resin is a phenolic resin, the insulating component is a ceramic, the strengthening fibers are graphite, and the impact toughening additive is an aramid pulp of fibrillated chopped synthetic fibers. The composite layer also has a thermal conductivity of 0.8 to 5 W/m.Math.K. The body portion of the piston can include an undercut scroll thread to improve mechanical locking of the composite layer. The piston can also include a ceramic insert between the body portion and the composite layer.

METHODS FOR APPLYING POLYURETHANE COATINGS TO GOLF BALLS HAVING A THERMOPLASTIC POLYURETHANE COVER
20230088331 · 2023-03-23 · ·

Golf balls having covers made of thermoplastic polyurethane compositions are provided. Multi-piece golf balls can be made. Polyurethane primer coatings and polyurethane top-coatings are applied to the thermoplastic polyurethane cover. Different coating methods can be used. Isocyanate-rich and polyol-rich polyurethane coatings can be applied. In one embodiment, the golf ball can be treated with a multi-functional isocyanate prior to applying the coatings. The polyurethane cover composition and surface coatings can further include catalysts, ultraviolet (UV)—light stabilizers, and other additives. Heat is used to cure the coatings. The coating methods have many benefits and the finished balls have good physical properties.

Highly Dieelectric Metal Oxide Filled Polymers for Radio Frequency Products

Multi-layered articles or products comprising layers of filled polymer compositions, methods of making and applications or uses thereof.

Biaxially stretched polyester film and method for producing the same

A biaxially stretched polyester film and a method for producing the same are provided. The biaxially stretched polyester film includes a polyester resin base layer and a matte layer formed on the polyester resin base layer. The matte layer has a total weight of 100 wt %, and the matte layer includes: (1) 50 to 95 wt % of a polyester resin matrix, an intrinsic viscosity of the polyester resin matrix being between 0.5 and 0.8 dL/g; (2) 0.01 to 5 wt % of a high viscosity polyester resin, an intrinsic viscosity of the high viscosity polyester resin being between 0.9 and 1.1 dL/g; (3) 0.3 to 40 wt % of a plurality of filler particles, the filler particles having an average particle size of between 0.15 and 10 μm.

Thin and texturized films having fully uniform coverage of a non-smooth surface derived from an additive overlaying process

This invention relates to a thin and texturized film that can be applied onto a non-smooth surface to improve hardness, corrosion resistance and wear resistance properties of the surface while maintaining the underlying profile of the non-smooth surface. An additive overlaying process can be employed to produce the thin and texturized film on the non-smooth surfaces without substantial alteration or degradation of the underlying surface texture or profile of the non-smooth surfaces so as to sufficiently preserve the underlying surface texture or profile. The thin and texturized film fully covers the non-smooth in a uniform manner and maintains the surface profile.

Waterproofing system

A waterproofing system including a functional layer S1 including 10-80 wt.-% of at least one thermoplastic polymer P1 and 10-80 wt.-% of at least one solid particulate filler F, wherein the surface of the functional layer S1 has an Auto-correlation length of waviness W(Sal) of at least 50 μm. Further, a method for producing a waterproofing system and to the use of a mechanical surface treatment step to increase the waviness factor, determined as the ratio of the Root mean square roughness of waviness W(Sq) to the square of the Auto-correlation length of waviness W(Sal), of a surface of a functional layer S1.

Metal-resin bonded member and method of manufacturing the same

An object is to provide a metal-resin bonded member that is easy to manufacture and has high bonding strength. The metal-resin bonded member includes a metal body having an iron oxide layer on the surface and a resin body bonded to the metal body via the iron oxide layer. The iron oxide layer has a thickness of 50 nm to 10 μm. The iron oxide layer comprises 60-40 at % Fe and 40-60 at % O at the outermost surface side. The iron oxide layer contains magnetite (Fe.sub.3O.sub.4). The iron oxide layer is formed by heating the surface of an iron-based substrate at 200-850° C. in an oxidation atmosphere. The resin body is composed of polyphenylene sulfide (PPS). The bonding of the metal body and the resin body via the iron oxide layer can be carried out by insert molding, thermal adhesion utilizing friction heating, etc.

Method for manufacturing quantum dot film comprising encapsulated quantum dots uniformly dispersed therein, quantum dot film manufactured thereby and wavelength conversion sheet and display comprising same

The present invention relates to a method of manufacturing a quantum-dot film having encapsulated quantum dots dispersed therein, in which quantum dots are uniformly dispersed in a matrix resin to thus increase quantum yield and in which deterioration of the quantum dots can be prevented through encapsulation, a quantum-dot film manufactured thereby, and a wavelength conversion sheet and a display including the same.

Plate-like composite material

A plate-like composite material in which peeling of a conductor layer and the like serving as wiring is less liable to occur is provided. The plate-like composite material includes: a pore-containing layer, which contains a fluororesin and a filler, and which contains pores; and a resin layer containing a fluororesin bonded to one surface, or each of both surfaces, of the pore-containing layer, wherein the pore-containing layer includes, in a vicinity of an interface with the resin layer, a high resin content region, which contains the fluororesin in a content higher than a content in a remaining region of the pore-containing layer, and which contains the pores in a content lower than a content in the remaining region, and wherein the high resin content region has a thickness starting from the interface of from 0.20 μm to 10 μm.

Antenna packaged substrate and manufacturing method thereof, packaged antenna, and terminal
11637376 · 2023-04-25 · ·

An antenna packaged substrate includes: a substrate, a first antenna radiating patch disposed on a surface of the substrate, a second antenna radiating patch disposed over the first antenna radiating patch, and a dielectric stack disposed between the first antenna radiating patch and the second antenna radiating patch. The dielectric stack includes a first dielectric layer, a bonding layer disposed on a side that is of the first dielectric layer and faces the first antenna radiating patch, and a second dielectric layer disposed on a side that is of the first dielectric layer and faces the second antenna radiating patch. A dielectric constant of the first dielectric layer is lower than a dielectric constant of the substrate, and an expansion coefficient of the second dielectric layer is lower than an expansion coefficient of the first dielectric layer.