A method for producing a formed product using a resin composition including a plurality of raw materials, in which the content of raw materials in the resin composition is measured in real time, the method comprising the steps of: supplying each of the plurality of raw materials to an extruder; melt-kneading the plurality of raw materials in the extruder to prepare a resin composition; and irradiating the prepared resin composition with radiation and calculating the content of the raw material in the resin composition based on the results of detection of the radiation transmitted through the resin composition.

The invention relates to a continuous method for removing a solvent from a suspension or solution comprising a dissolved target polymer by integrated drum-drying and extrusion of said suspension or solution comprising the dissolved target polymer. The invention also relates to a plastic waste recycling system for recycling a target polymer. Furthermore, the invention also relates to a polymer material obtained by this recycling method.

A processing system for bulk material comprises a processing device for the bulk material, at least one bulk material storage container for storing the bulk material, a bulk material dosing device connected to the at least one bulk material storage container for dosed discharge of the bulk material from the bulk material storage container, a bulk material downcomer connected to the bulk material dosing device for conveying the bulk material into the processing device, at least one additive feed for feeding an additive, an additive dosing device connected to the at least one additive feed for dosed discharge of the additive from the additive feed, and an additive downcomer connected to the additive dosing device for conveying the additive into the processing device, wherein the bulk material downcomer directly connects the bulk material dosing device to the processing device.

The invention relates to a process for devulcanizing a vulcanized rubber mixture, comprising the following steps: A) providing or producing a vulcanized rubber mixture, B) comminuting the vulcanized rubber mixture to a granular material composed of vulcanized rubber particles, where the vulcanized rubber particles have a maximum particle diameter of 100 mm, C) extruding the vulcanized rubber particles produced in step B) in a twin-screw extruder at a shear rate of less than 100 s.sup.−1, where the temperature of the vulcanized rubber particles during extrusion is less than 200° C., to give a devulcanized rubber mixture having a temperature above 100° C., D) cooling the devulcanized rubber mixture in a further kneading unit, so as to give a devulcanized rubber mixture having a temperature in the range from 50° C. to 100° C. The invention further relates to an apparatus for performing the process and to the use of the apparatus for devulcanization of a vulcanized rubber mixture.

The invention relates to a method in which a polyester melt containing one or more polyesters is produced, the polyester melt being foamed by a blowing agent and a foamed granulate is produced from the foamed polyester melt. The intrinsic viscosity (IV) of the polyester melt is reduced by the blowing agent about at least 0.05 dl/g, measured according to ASTM D4603, and the IV of the foamed granulate is then increased by means of a solid phase polycondensation (SSP).

A production line (200) for performing multi-pass mixing sequences of rubber mixtures has at least one first mixing line (200A) that produces a masterbatch and at least one second line (200B) that performs a final mixing process during a final pass of a multi-pass rubber mixing sequence. A mixing process produces a variety of rubber mixtures in a production line of the type disclosed.

The present invention provides an apparatus for recycling composite material and a method for recycling composite material by using same, the apparatus including: a mixing tank in which pulverized products of fiber-reinforced waste plastic are dispersed and mixed in water together with a filler, thereby forming a composite material mixture; a fixing agent addition part for forming a recyclable material by supplying, to the composite material mixture, a fixing agent that aggregates the pulverized products of the fiber-reinforced waste plastic and the filler; and a filtering tank in which the recyclable material is supplied such that a recyclable composite sheet is formed.

Disclosed is a method for the batch-based manufacture of a flowable coating material, in particular water-based or solvent-containing paint, from a plurality of components. The method includes feeding batch components into a process mixing container, mixing the components in the process mixing container to form a mixture having a preliminary composition, transferring at least part of the mixture having the preliminary composition from the process mixing container into a reception container, ascertaining an actual state of the mixture having the preliminary composition during transfer into the reception container, determining a deviation of the actual state of the mixture having the preliminary composition from a predefined setpoint state, ascertaining an adjustment quantity for the components required to reach the setpoint state, and topping up the adjustment quantity of the components into the preliminary mixture, while the preliminary mixture is being transferred from the process mixing container into the reception container.

A method for controlling polymer viscosity quality in a compounding process of polymers (110) using at least one extruder (111) is disclosed. The method comprises: a) at least one measurement step (112), wherein at least one influence variable affecting viscosity of the compound is determined by using at least one sensor (114); b) at least one prediction step (116), wherein an expected viscosity (117) of the compound is determined considering the influence variable by using at least one prediction unit (118), wherein the prediction unit (118) comprises at least one analysis tool comprising at least one trained model; c) at least one evaluation step (120), wherein the expected viscosity (117) of the compound is compared to at least one pre-defined and/or pre-determined threshold value, wherein at least one item of output information is generated depending on said comparison; and d) at least one control step (122), wherein the item of output information is displayed using at least one display device (124), wherein the output information comprises at least one handling recommendation (126) for at least one setting of the extruder (111). Further disclosed are a computer program, specifically an application, and a controlling system (138) for controlling polymer viscosity quality in a compounding process of polymers (110).

A curable composition for mechanical foaming has a complex viscosity η* that satisfies the following conditions (A) and (B) in frequency dependence measurement by a rheometer: condition (A): η* at 0.1 Hz and 25° C. is in a range of 1000 to 50000 Pa.Math.s; and condition (B): η* at 10.0 Hz and 25° C. is in a range of 100 to 1000 Pa.Math.s.
The curing form of the curable composition for mechanical foaming is not a moisture curing form.