Method and system for manufacturing bulked continuous filament having tonal coloring from PET comprising: an extruder (202); a static mixing assembly (208) coupled to the extruder and comprising a housing and one or more individual static mixing elements disposed within the housing; the method and system further comprising a plurality of colorant ports along a length of the static mixing assembly such that each of the plurality of colorant ports is configured to provide colorant (204) to a polymer stream at a different location along the length of the static mixing assembly, and one or more spinning machines (212) positioned downstream of the static mixing assembly and coupled to the static mixing assembly to receive the colored polymer stream. The spinning machine(s) may be configured to form the colored polymer stream into bulked continuous carpet filament having a tonal color effect.

A resin molded product whose main component consists of an ethylene-vinyl acetate copolymer resin and carbon black. The ethylene-vinyl acetate copolymer resin has an MFR of 0.5 g/10 min or more and 20 g/10 min or less. The carbon black has an average primary particle diameter of 55 nm or more and 100 nm or less and a DBP oil absorption amount of 100 mL/100 g or more and 300 mL/100 g or less. The content of vinyl acetate is 2.9 parts by mass or more and 12.3 parts by mass or less based on 100 parts by mass of the main component. The resin molded product has a surface resistivity of 720 Ω/□ or less.

The invention relates to a process for preparing polymeric particles, based on the use of a polyester polymer (PE) comprising units from a dicarboxylic acid component and a diol component, wherein at least 2 mol. % of the diol component is a poly(alkylene glycol). The process comprises the melt-blending of the aromatic polymer (P) with the PE, the cooling the blend and the recovery of the particles by dissolution of the PE into water. The present invention relates to polymeric particles obtained therefrom and to the use of these particles in SLS 3D printing, coatings and toughening of thermoset resins.

A process for producing tyres including building a green tyre having two bead structures. Each bead structure includes a bead filler. The bead filler or another rigid component of the green tyre includes a final elastomeric compound produced by the following: feeding elastomeric polymer and reinforcement filler to a first batch mixing device; mixing and dispersing the reinforcement filler in the elastomeric polymer and unloading the obtained elastomeric compound; feeding the obtained elastomeric compound, along with at least 5 phr of reinforcement resin, to a continuous mixing device of intermeshing and co-rotating twin-screw or multi-screw type or of planetary type; mixing the reinforcement resin in the elastomeric compound and unloading the obtained elastomeric compound; and feeding the obtained elastomeric compound along with the components capable of facilitating the cross-linking to a second batch mixing device and mixing to obtain the final elastomeric compound. The first and second batch mixing device have two counterrotating rotors.

An exemplary embodiment of the present disclosure provides a fire resistant material and methods of making same, the fire resistant material comprising a material incorporating a mixture comprising carbon nanotubes, nanoclay, and a dispersing agent.

The present invention relates to water and solvent-free polymers, in particular water and solvent-free synthetic rubber products like non-halogenated and halogenated butyl rubber products as well as a process for the production thereof. The invention further relates to a device suitable to accomplish said process.

An installation for manufacturing cross-linkable polyethylene compounds which comprises a melting machine (101), a melt pump (102) and a filtration unit (103) to produce cross-linkable polyethylene compounds that may be further used for manufacturing insulating parts of medium, high and extra-high voltage power cables, and a method for manufacturing such cross-linkable polyethylene compounds.

A pressure-sensitive adhesive for bonding to various surfaces, such as metals, plastics, and also vehicle finishes, with rapid wetting and high adhesion, with good shear strengths and bond strengths under different conditions and without undergoing dewetting even under lasting mechanical load, comprises: a) at least 50 wt % of at least one polymer A whose monomer basis comprises the following monomers: a1) at least one (meth)acrylic ester having a homopolymer glass transition temperature of not more than −60° C. and an alcohol component based on a branched, primary alcohol, having an iso index of 1; a2) at least one (meth)acrylic ester having an alcohol component based on a linear C.sub.1-C.sub.18 alcohol; a3) acrylic acid; b) at least 5 wt % of at least one synthetic rubber; and c) at least 10 wt % of at least one peel adhesion-reinforcing resin.

Also disclosed is an adhesive tape comprising a foamed carrier and the pressure-sensitive adhesive.

The present invention relates to an extruded expanded thermoplastic polyurethane elastomer bead and a preparation method therefor. The bead consists of components of the following parts by weight: 100 parts by weight of a thermoplastic polyurethane elastomer, 0.01-0.5 parts of a foaming nucleating agent, and 0.01-0.2 parts by weight of an antioxidant. The preparation method comprises: mixing materials, then putting the mixture into an extruder for granulation to produce a particle raw material suitable for foaming, finally, putting the particle into a foam extruder, and die foaming then underwater pelletizing, thus obtaining a product bead. The present invention utilizes an extrusion method to prepare expanded thermoplastic polyurethane beads. Control of the working conditions of the foaming process could lead to acquiring an expanded=bead of a controllable density, the cell density evenly distribute. The overall production process is easy to operate. Without any special limit or requirement placed on the equipment, this method is suitable for industrial continuous production.

A method of manufacturing bulked continuous carpet filament from polytrimethylene terephthalate (PTT) with polyethylene terephthalate (PET) comprises: (1) splitting the PTT stream extruded from the primary extruder into a number of polymer streams, each of the plurality of polymer streams having an associated spinning machine; (2) adding a colorant to each split polymer stream; (3) adding PET to the extruded polymer stream downstream of the primary extruder; (4) using one or more static mixing assemblies for each split polymer stream to substantially uniformly mix each split polymer stream and its respective colorant and PET; and (5) spinning each polymer stream with its substantially uniformly mixed colorant and any additives into BCF using the respective spinning machine.