Present invention is related to a microwave and electromagnetic heated foaming method, mold and foaming material thereof. The microwave and electromagnetic heated foaming method comprises steps of adding a foam material into a mold, simultaneously applying a microwave and electromagnetic energy toward the mold under a normal or low pressure, and the microwave and electromagnetic energy made the foam material into molded foam body. The mold of the present invention has a microwave penetrating part and an electromagnetic heating part. The microwave penetrating part has an extruded bottom that is corresponded to a dented top of the electromagnetic heat penetrating part. By utilizing the microwave and electromagnetic energy, the present invention is about to provide an efficient way for processing the foaming material compared to the conventional infrared or electrical heated tube heating and achieve the foam method that can be executed under normal or low pressure.

Provided is a resin composition which has superior shapeability and affords a molded article superior in flame retardancy and impact resistance. The resin composition according to the present invention includes an aromatic polycarbonate resin, a sulfone resin having a structure represented by the following formula (1), an inorganic filler, a phosphorus-containing compound, and a silicon-containing compound or silicon-containing particles.

##STR00001##

A method for producing a polyimide film includes: providing a polyimide coating solution; providing a high temperature resistant polyester substrate; and coating the polyimide coating solution on the high temperature resistant polyester substrate, so that a polyimide wet coating is formed on the high temperature resistant polyester substrate; implementing a first baking step, which includes: baking the polyimide wet coating at a first temperature of between 60° C. and 130° C. to remove a part of organic solvent in the polyimide wet coating; implementing a second baking step, which includes: baking the polyimide wet coating at a second temperature of between 140° C. and 220° C. to remove a residual part of the organic solvent in the polyimide wet coating, so as to form the polyimide film on the high temperature resistant polyester substrate; and separating the polyimide film and the high temperature resistant polyester substrate from each other.

Expanded graphite and/or vermiculite are introduced into the friction lining mixture to eliminate or substantially reduce the amount of binder present therein. The friction lining at most contains from 2.5% by weight of binder. By omitting/reducing binder, the production is very stable and the friction linings can be easily reproduced. The process steps of hardening (including the hardening furnace) and scorching (including the necessary equipment) can be omitted when making such friction linings.

The present disclosure relates to a method for producing a decorated wall or floor panel, comprising the method steps: a) providing a first molten polymer mass and a second molten polymer mass; b) extruding the molten polymer masses, wherein in particular each polymer mass is extruded by a separate extruder, wherein the molten polymer masses are layered on top of each other; c) expelling the layered molten polymer masses through a die; d) calibrating the layered molten polymer masses in order to form a plate-shaped carrier comprising at least one carrier layer comprising the first polymer mass and a sealable layer contacting the carrier layer and comprising the second polymer mass. Furthermore, the disclosure relates to plate-shaped carriers and decorative panels produced in this way, and to a device for carrying out the method.

Disclosed herein is a water-based dispersion, which includes metal oxide nanoparticles and a zwitterionic stabilizer. More specifically, the dispersion comprises a metal oxide nanoparticle having the formula (1) MmM′On, wherein M is an alkali metal, m is greater than 0 and less than 1, M′ is any metal, and n is greater than 0 and less than or equal to 4; a zwitterionic stabilizer; and a balance of water. Also disclosed herein is a jettable composition, which includes metal oxide nanoparticles having the formula (1) MmM′On wherein M is an alkali metal, m is greater than 0 and less than 1, M′ is any metal, and n is greater than 0 and less than or equal to 4; a zwitterionic stabilizer; a surfactant; and a balance of water.

Embodiments of the present disclosure generally relate to reinforcement and filler materials in various compositions, and more specifically to coal-derived materials as reinforcement and filler materials. In an embodiment, a composition includes a coal-derived component and an elastomer component. The coal-derived component can be coal powder and/or coal char. The coal-derived component can be thermally-treated (e.g., pyrolyzed), solvent-extracted to produce an extract or residual carbon, and/or chemically modified prior to incorporation in the composition.

Methods and devices for additive production of multi-materials are provided. Various devices may include a plurality of toolheads, each toolhead operably coupled to a different composition and having a kinematic coupling mechanism. The compositions may include a first composition comprising a cement paste or mortar, and a second composition comprising a thermoplastic polymer and/or an elastomeric polymer. The devices may include a moveable tool mount configured to be removably coupled to the kinematic coupling mechanism of each toolhead. A processor may be included that is configured to cause the deposition of the first composition and cause the deposition of the second composition simultaneous with the first composition and/or deposit the second composition after the first composition is deposited. Systems and techniques for toolpath creation may also be provided. In-situ structures may be provided that may include cement paste in contact with a thermoplastic polymer or an elastomeric polymer.

A composite core material and methods for making same are disclosed herein. The composite core material comprises mineral filler discontinuous portions disposed in a continuous encapsulating resin. Further, the method for forming a composite core material comprises the steps of forming a mixture comprising mineral filler, an encapsulating prepolymer, and a polymerization catalyst; disposing the mixture onto a moving belt; and polymerizing said encapsulating prepolymer to form a composite core material comprising mineral filler discontinuous portions disposed in a continuous encapsulating resin.

A kneading method includes conveying a raw material along a conveyance path; and increasing the raw material in pressure by restricting a conveyer from conveying the raw material by a barrier, causing the raw material with an increased pressure to flow into a passage from an inlet located at the conveyer, circulating the raw material having flowed into the passage to an outlet in the same direction as the conveying direction of the conveyer, and causing the raw material having circulated in the passage to flow out from the outlet to the outer circumference of a screw body. The raw material includes a polypropylene-based resin composition containing polypropylene and olefin rubber.