A method for producing a polytetrafluoroethylene composition including mixing a polytetrafluoroethylene resin and a filler using an airflow mixer to provide a polytetrafluoroethylene composition containing the polytetrafluoroethylene resin and the filler. The airflow mixer is a pulse-type airflow mixer or an airflow stirrer. Also disclosed is a polytetrafluoroethylene composition produced by the production method, a polytetrafluoroethylene composition having specific physical properties, as well as a molded article, electrically conductive tube, thermally conductive film, and substrate for CCL each obtained from the polytetrafluoroethylene composition.

A method of forming a composite material includes mixing granules of thermoplastic(s) and granules of reinforcing material(s) using a mixer with an interior friction coating. The friction generated by interaction between the granules and friction coating causes granules of at least one of the thermoplastic(s) to be heated to a liquid or semi-liquid state. The liquid/semi-liquid thermoplastic(s) act a binder for the mixed material. A system for forming such a composite material includes such a mixer with an interior friction coating. The system may also include a mould and/or a press for forming material produced by the mixer into a finished shape. The method and system may use post-consumer and post-industrial material as an input allowing such material to be recycled. In some cases, cross-contaminated or mixed post-consumer/post-industrial material may be recycled, potentially reducing environmental impacts.

Described herein are systems and methods for the automated adjustment of flour property measurement equipment such as dough rheometers. The systems and methods allow measurements of flour and dough to be performed on different rheometers with consistent results, regardless of the manufacturer or location of the rheometers. The systems and methods described herein allow a second rheometer, for example, that is deployed in the field to provide results that are consistent with a first dough rheometer, for example, that may be at a different location, or the same location but of the same or different manufacturer. The systems and methods can be used to calibrate, remotely and in real-time, dough rheometers that are deployed in various locations.

The measured value of a rubber temperature parameter that is related to the temperature of a rubber material to be kneaded by a mixing machine 2 and measured values of correlation parameters that have a correlation with a change in the value of the rubber temperature parameter are acquired. The measured values are assigned to an operational control parameter-calculation model equation, which is modified from a rubber temperature parameter-calculation model equation including operational control parameters and the correlation parameters, and a constant and coefficients of the operational control parameters and the correlation parameters are calculated using a machine learning algorithm. A predetermined operational control parameter, which is required in a case in which the rubber temperature parameter is controlled to a predetermined value, is calculated using an operational control parameter-calculation equation that is specified by the coefficients and the constant calculated using the machine learning algorithm.

The present invention relates to a method for preparing high performance polymer-based conductive composites by space-limited micro-nano precision assembly method, which belongs to the technical field of composite material preparation; including the following steps: (1) through blending the conductive filler and the polymer matrix which are added to the blending equipment, homogeneous polymer/conductive filler material system is obtained; (2) add the homogeneous material system to the mold composed of two flat plates, and let the homogeneous blend gets plane limited compression by means of mechanical compression; (3) making use of the micro-nano structure array set on the compression template to further compact the filler on the network and conducting “array anchorage”, to realize the micro-nano precision assembly of network and obtain the composite material with excellent performance, which has a continuous and tight conductive network, and has excellent tensile properties, flexibility and thermal stability.

A supplying apparatus and a supplying method of granular material in which granular material is supplied to a measuring container provided on a lower side so as to reach a target measurement value which is determined in advance. The supplying apparatus includes a storage container storing granular material, a valve body provided in the storage container so as to be opened when granular material is supplied, and a control section controlling open and close operations of the valve body. The control section keeps the valve body at an open position until a detection value of a detecting section of the measuring container becomes a predetermined value smaller than the target measurement value when the target measurement value exceeds a threshold value which is determined in advance. The control section opens the valve body in a pulsed way until the detection value of the detecting section becomes the target measurement value when the target measurement value is under the threshold value.

A molding material supply device and a molding material supply method capable of supplying a degassed molding material to a molding apparatus at a desired timing are desired. According to the molding material supply device and method of the disclosure, a first discharge member is driven to discharge a molding material accommodated in a first accommodation member to a second discharge member through a through hole of a die, and a second discharge member configured by the first accommodation member and the die advances to discharge the molding material having been degassed in the second accommodation member to the molding apparatus from a molding material supply port.

A filled self-cured dental material is described comprising inorganic boron nitride and/or zirconia particles in a solvent dispersion agent, the nanoparticles being entrained by an ultrasonic homogenizer technique to enhance both strength and stiffness of the dental material.

This disclosure relates to a novel type of high molecular weight polyethylene composition, and product made from said composition, with industrially useful properties, and the process of making said composition and product.

A method for producing a powder comprising at least one polymer for use in a method for the additive manufacture of a three-dimensional object is described. The method includes the step of mechanically treating the powder in a mixer with at least one rotating mixing blade, wherein the powder is exposed to a temperature T.sub.B and T.sub.B is at least 30° C. and is below the melting point T.sub.m of the polymer (determined according to DIN EN ISO 11357) if the polymer is a semi-crystalline polymer, or wherein T.sub.B is at least 30° C. and wherein T.sub.B is at most 50° C. above the glass transition temperature T.sub.g of the polymer (determined according to DIN EN ISO 11357) if the polymer is a melt-amorphous polymer. Compared to a time before the start of the treatment, it may be achieved that after the treatment, the bulk density of the powder is increased by at least 10% (or in the case of polymer, copolymer or polymer blend of polyamide at least 2% and more) and the BET surface area is decreased by at least 10%, and optionally also the pourability is improved by at least 10%.