A method is proposed for producing a functional material, wherein in at least one mixing step (14) a pulverized rigid foam (16) and at least one binding agent (18) are mixed to form a raw mass, and wherein in at least one pressing step (22) the raw mass is pressed to form the functional material, the method proceeding in a continuous manner at least from the mixing step (14) up to and including the pressing step (22).

The present application relates to a process for producing a multimodal polyethylene composition comprising the steps of at least partially melting a first polyethylene resin (A) having a viscosity average molecular weight My of equal to or more than 700 kg/mol to equal to or less than 10,000 kg/mol and a density of equal to or more than 920 kg/m.sup.3 to equal to or less than 960 kg/m.sup.3 in a first homogenizing device, at least partially melting a second polyethylene resin (B) having a Mw of equal to or more than 50 kg/mol to less than 700 kg/mol, and a density of equal to or more than 910 kg/m.sup.3 to equal to or less than 960 kg/m.sup.3 in a second homogenizing device, combining the at least partially molten first polyethylene resin (A) with the at least partially molten second polyethylene resin (B) in said second homogenizing device, compounding the combined first polyethylene resin (A) and second polyethylene resin (B) in said second homogenizing device to form a multimodal polyethylene composition, wherein the multimodal polyethylene composition has a melt flow rate MFR.sub.5 (190° C., 5 kg) of 0.01 to 10.0 g/10 min and a density of equal to or more than 910 kg/m.sup.3 to equal to or less than 970 kg/m.sup.3 and a polyethylene composition obtainable by said process.

In one aspect, the invention provides a substantially exfoliated nanocomposite material including starch and hydrophobically modified layered silicate clay. In another aspect, the invention provides packaging made from material including the substantially exfoliated nanocomposite material described above. The nanocomposite material has improved mechanical and rheological properties and reduced sensitivity to moisture in that the rates of moisture update and/or loss are reduced. In another aspect, the invention provides a process for preparing the substantially exfoliated nanocomposite material described above, including a step of mixing the starch in the form of an aqueous gel with the hydrophobic clay in a melt mixing device. In a further aspect, the invention provides a process for preparing the substantially exfoliated nanocomposite material, including the steps of mixing the starch with the hydrophobic clay to form a masterbatch (hereinafter “the masterbatch process”) and mixing the masterbatch with further starch.

A composition comprising: A. 91.5 to 97.9% of a crosslinkable ethylene-based polymer, e.g., LDPE; B. 1 to 3% of an organic peroxide, e.g., dicumyl peroxide; C. 1 to 5% of a dielectric fluid, e.g., an alkylated naphthalene; and D. 0.1 to 0.5% of a coagent such as AMSD.

The compositions exhibit high cure rates without any significant reduction in scorch resistance, heat ageing and electrical performance, and are particularly useful as insulation sheaths for medium and high voltage power cables.

A system for continuously treating recycled polymeric material includes a hopper configured to feed the recycled polymeric material into the system. An extruder can turn the recycled polymeric material in a molten material. In some embodiments, the extruder uses thermal fluids, electric heaters, and/or a separate heater. The molten material is depolymerized in a reactor. In some embodiments, a catalyst is used to aid in depolymerizing the material. In certain embodiments, the catalyst is contained in a permeable container. The depolymerized molten material can then be cooled via a heat exchanger. In some embodiments, multiple reactors are used. In certain embodiments, these reactors are connected in series. In some embodiments, the reactor(s) contain removable static mixer(s) and/or removable annular inserts.

A resin composition comprising resin pellets comprising a first thermoplastic resin and glass fibers, and a second thermoplastic resin, in which the second thermoplastic resin has a lower flow starting temperature than the resin pellets, and a denier of the glass fibers is 500 g/1000 m or more and 3400 g/1000 m or less.

The present invention relates to a pellet of a liquid crystal polyester resin composition containing a liquid crystal polyester resin and an inorganic filler, said pellet being characterized in that if the horizontal Feret's diameter of a rectangle circumscribed about a projected image of the front of the pellet is taken as the length of the long side of the rectangle and the vertical Feret's length is taken as the length of the short side of the rectangle, the length of the long side of the rectangle is from 3 mm to 4 mm (inclusive) and the area ratio of the area S of the projected image to the area S0 of the rectangle, namely S/S0 is from 0.55 to 0.70 (inclusive).

A pelletized resin composition according to the present invention contains an ethylene-vinyl alcohol resin (A), a polyamide (B), and a lower fatty acid magnesium salt (C) each in a specific amount, wherein the polyamide resin (B) is dispersed in the ethylene-vinyl alcohol resin (A) with an average dispersed particle diameter of 1 μm or less as determined using an electron microscope, and the lower fatty acid magnesium salt (C) is dispersed in both the ethylene-vinyl alcohol resin (A) and the polyamide resin (B). Accordingly, a pelletized resin composition that is superior in hue can be obtained. In addition, a film that is superior in thermal stability in the film formation, the appearance immediately after the film formation, and the appearance after the heating treatment is obtained.

A process for continuously preparing a polyolefin composition made from or containing a bimodal or multimodal polyolefin and one or more additives in an extruder device equipped with at least one hopper. The process includes the steps of supplying a bimodal or multimodal polyolefin in form of a polyolefin powder to the hopper; (a) measuring the flow rate of the polyolefin powder or (b) measuring the flow rate of the prepared polyolefin pellets; supplying one or more additives to the hopper; adjusting the flow rates of the additives supplied to the hopper in response to the measured flow rate of the polyolefin powder or adjusting the flow rate of the polyolefin powder in response to the measured flow rate of the polyolefin pellets; melting and homogenizing the polyolefin powder and additives within the extruder device; and pelletizing the molten polyolefin composition into the polyolefin pellets.

The invention generally relates to a method of making a plastic aggregate, and its use to make concrete products. The aggregate is formed by providing a granulated waste plastic material, introducing the granulated waste plastic material into an extruder having a die, the die having a ratio of die nozzle open area to die land area of about 1:10 to about 1:40, and extruding the granulated waste plastic material through the extruder to generate an extruded plastic aggregate. The method can include the presence of controlled cooling, the addition of additives and treatment of the surface of the aggregate to produce a desired aggregate that can be used to make a concrete product with desired properties, such as compressive strength and weight.