23 results about "Thermoplastic olefin" patented technology

The medical tubing may have a continuous inner layer with a continuous outer layer thereon, where the inner layer comprises a polyolefin, such as polyethylene or polypropylene or a functionalized polyolefin. The outer layer may include a thermoplastic polymer, for example, including one or more or a mixture of a thermoplastic polyurethane (TPU), a thermoplastic olefin (TPO), a thermoplastic elastomer (TPE), a styrene-containing thermoplastic elastomer (S-TPE), a polyolefin elastomer (POE), a styrene block copolymer (SBC). Advantageously, the outer layer and / or the inner layer do not comprise polyvinyl chloride. Such tubing may be readily solvent bonded to a medical connector and used with an infusion kit.

An vehicle interior sheet, particularly a vehicle interior sheet using a waste TPO composite sheet capable of preventing environmental pollution by recycling industrial waste, and a method of manufacturing the same includes manufacturing a powder by pulverizing a waste TPO composite sheet, manufacturing recycled TPO resin pellets by processing the powder using an extruder, and manufacturing a recycled TPO layer by subjecting the recycled TPO resin pellets to calendering or extrusion molding.

Use of a multi-layer film as the inner lining of an insertable liner for the rehabilitation of a pipe, preferably a sewer pipe, wherein the inner lining has two outer layers and a layer sequence of at least the following layers: - at least one layer (1) containing at least one homo- and / or copolyamide, preferably as one of the outer layers, - at least one adhesion promoter layer (2), (4), wherein, if ethylene (meth)acrylate copolymer is present in one of the adhesion promoter layers (2), (4), it is functionalized and - at least one further layer (3), (5), preferably as the other of the outer layers, wherein the at least one further layer (3), (5) contains a mixture of at least one thermoplastic olefin homo- or copolymer and at least one ethylene (meth)acrylate copolymer, in functionalized or non-functionalized form.

The invention discloses a preparation method of a thermoplastic olefin elastomer. The preparation method comprises the following steps: weighing the following raw materials in parts by weight: 38-42 parts of high melt strength polypropylene, 20-22 parts of linear low density polyethylene, 18-20 parts of ethylene-octene copolymer, 8-11 parts of magnesium hydroxide, 0.5-1 part of light stabilizer, 0.1-0.3 part of stearic acid, 0.2-0.5 part of antioxidant and 2-5 parts of modified filler. According to the olefin elastomer, high-melt-strength polypropylene and linear low-density polyethylene are matched with an ethylene-octylene copolymer, raw materials including magnesium hydroxide, a light stabilizer and stearic acid are added, meanwhile, a modified filler is added to optimize product performance, processes such as kneading, open milling, extrusion and calendering are performed, and soaking treatment is performed in cooperation with a coating agent, so that the high-melt-strength polypropylene / linear low-density polyethylene composite material is obtained. The density performance, the mechanical property and the flame retardant property of the obtained olefin elastomer product are harmoniously improved, and the product has remarkable waterproof and weather-resistant stability effects.

A thermoplastic olefinic elastomer expanded bead, which is an expanded bead including a thermoplastic olefinic elastomer as a main component, wherein the expanded bead has an average particle diameter of 0.5 to 5 mm, the expanded bead has a heat of fusion of 60 to 80 J / g, and a difference [Tm−Tc] between a melting point (Tm) and a crystallization temperature (Tc) of the expanded bead is 20° C. or lower.

Thermoplastic olefin polymers are depolymerized at moderate temperatures by a combination of thermal energy and mechanical mixing energy. The mechanical mixing energy is supplied at a specific power rate per unit mass and continues until a specific minimum amount of mixing energy per unit mass is imparted. Depolymerization can occur at temperatures well below 200°C to obtain a depolymerized product that is itself useful and / or can be efficiently converted to useful products, such as ethylene.

A walkway roll includes a thermoplastic olefin; and an olefin block copolymer present in an amount of 5 wt. % to 18 wt. % based on a total weight of the walkway roll. The walkway roll includes an embossed region. The embossed region, according to a heat aging test at 275° F. for 37 weeks, shows no cracks.

An vehicle interior sheet, particularly a vehicle interior sheet using a waste TPO composite sheet capable of preventing environmental pollution by recycling industrial waste, and a method of manufacturing the same includes manufacturing a powder by pulverizing a waste TPO composite sheet, manufacturing recycled TPO resin pellets by processing the powder using an extruder, and manufacturing a recycled TPO layer by subjecting the recycled TPO resin pellets to calendering or extrusion molding.

A walkway roll includes a thermoplastic olefin; and an olefin block copolymer present in an amount of 5 wt. % to 18 wt. % based on a total weight of the walkway roll. The walkway roll includes an embossed region. The embossed region, according to a heat aging test at 275° F. for 37 weeks, shows no cracks.

An elastomer skin composition comprising at least one ethylene propylene diene terpolymer (EPDM) and at least one polypropylene copolymer component, and products made thereof.

Use of a single- or multi-layer film as a sliding film (2) or preliner (1) in pipe rehabilitation using cured-in-place pipe (CIPP) lining technology for application to the inner wall of an underground pipe to be rehabilitated, preferably a sewer pipe (K), so that an insert hose (7) with a curable carrier material (8) can be slid through the pipe on the sliding film (2) or preliner (1) laid in the pipe, wherein the film (1; 2) comprises at least one layer (3) containing at least one thermoplastic olefin homo- or copolymer, optionally modified, characterized in that said layer (3) additionally contains at least one polyester.

Medical tubing can have a continuous inner layer with a continuous outer layer on the surface, the inner layer containing polyethylene, polypropylene, or a polyolefin such as a functionalized polyolefin. The outer layer can contain a thermoplastic polymer such as one or more of thermoplastic polyurethane (TPU), thermoplastic olefin (TPO), thermoplastic elastomer (TPE), styrene-containing thermoplastic elastomer (S-TPE), polyolefin elastomer (POE), styrene-based block copolymer (SBC), or a mixture containing these. Advantageously, the outer and / or inner layers do not contain polyvinyl chloride. Such tubing material can be readily solvent-bonded to medical connectors and used with infusion sets.

A method and system used for sanding objects such as auto body parts made of plastic. The method and system allow shop owners and technicians in the auto body industry to sand car bumpers with an abrasive paper having at least one sanding surface made of kraft paper prior to the priming process. The abrasive paper can be configured into corrugated fiberboard material. The abrasive paper will remove the rough or course areas left on car bumpers made of thermoplastic olefin (TPO) during the sanding process which will save auto body shops and technicians time and money spent on materials, specifically primer and sandpaper. The abrasive paper used to sand car bumpers can be made of virgin kraft and can be configured substantially in the shape of a disc, square or rectangle that will be affixed to a sanding device.

To provide an adhesive that retains high overall performance on thermoplastic olefins even after long-term exposure to the elements.SOLUTION: An adhesive may include an adhesive structure and an adhesive composition. The adhesive structure may include a graft copolymer. The adhesive composition may include: at least about 1 wt. % and 40 wt. % or less of a macromonomer component for a total weight of the adhesive composition; at least about 50 wt. % and about 98 wt. % or less of a (meth)acrylic based polymeric component A for a total weight of the adhesive composition; and at least about 0.1 wt. % and about 30 wt. % or less of a tackifier component for a total weight of the adhesive composition. The macromonomer component may have a weight-average molecular weight of at least 1000 g / mol and a glass transition temperature (Tg) of at least about 40°C. The (meth)acrylic based polymeric component A may have a glass transition temperature (Tg) of about 20°C or lower.SELECTED DRAWING: None

A tray assembly includes a base tray, and an anti-slip pad disposed on the base tray, wherein the anti-slip pad has a friction coefficient in a range of about 0.5 to about 20 based on ASTM D1894, and a surface resistance in a range of about 10{circumflex over ( )}6 Ω / cm2 to about 10{circumflex over ( )}9 Ω / cm2 based on ASTM D257, and the anti-slip pad includes at least one of a thermoplastic olefinic elastomer (TPO), natural rubber, styrene-butadiene rubber (SBR), and polypropylene (PP).

A medical tubing can have a continuous inner layer having a continuous outer layer thereon, wherein the inner layer comprises a polyolefin, such as polyethylene or polypropylene or a functionalized polyolefin. The outer layer can comprise a thermoplastic polymer, such as one or more of, or a blend comprising, thermoplastic polyurethane (TPU), thermoplastic olefin (TPO), thermoplastic elastomer (TPE), styrene-containing thermoplastic elastomer (S-TPE), polyolefin elastomer (POE), styrene block copolymer (SBC). Advantageously, the outer layer and / or the inner layer do not comprise polyvinyl chloride. Such a tubing can be used as a medical device, such as an infusion set.

A polypropylene resin composition of the present invention comprises: approximately 100 parts by weight of a block polypropylene resin; approximately 15-30 parts by weight of a melted blend of approximately 65-99 wt% of an ultra-low density polyethylene having a density of approximately 0.88-0.91 g / cm3, measured according to ISO 1183-1, and approximately 1-35 wt% of a styrene-based thermoplastic elastomer; approximately 10-120 parts by weight of a reactor-made thermoplastic olefin (RTPO); and approximately 20-45 parts by weight of talc. The polypropylene resin composition has excellent impact resistance, rigidity, thermal resistance, dimensional stability, a balance of these properties, and the like.

A resin sheet for a flexible flat cable of the present disclosure comprises one or a plurality of insulating layers and being layered between a plurality of conductors arranged in parallel and a shield layer layered on an outer surface side of parallel arranged surfaces of the plurality of conductors. The resin sheet has a relative dielectric constant of 2.3 or less at 25° C. and 10 GHZ, and a dielectric loss tangent of 0.0014 or less. The resin sheet has a tensile elastic modulus of 40 MPa to 450 MPa. The resin sheet includes a base insulating layer containing a thermoplastic olefinic elastomer as a primary component, and an average thickness of the base insulating layer is 20 μm to 450 μm.

Medical tube can have a continuous inner layer having a continuous outer layer thereon, in which the inner layer includes a polyolefin such as a polyethylene or polypropylene or a functionalized polyolefin. The outer layer can include a thermoplastic polymer such as one or more of, or a blend including, a thermoplastic polyurethane (TPU), a thermoplastic olefin (TPO), a thermoplastic elastomer (TPE), a styrene-containing thermoplastic elastomer (S-TPE), a polyolefin elastomer (POE), a styrenic blocking copolymer (SBC). Advantageously, the outer layer and / or the inner layer do not include polyvinyl chloride. Such tubing can be used as medical device such as with infusion sets.

Use of a single- or multi-layer film as a sliding film (2) or preliner (1) in pipe rehabilitation using cured-in-place pipe (CIPP) lining technology for application to the inner wall of an underground pipe to be rehabilitated, preferably a sewer pipe (K), so that an insert hose (7) with a curable carrier material (8) can be slid through the pipe on the sliding film (2) or preliner (1) laid in the pipe, wherein the film (1; 2) comprises at least one layer (3) containing at least one thermoplastic olefin homo- or copolymer, optionally modified, characterized in that said layer (3) additionally contains at least one polyester.

[Problem] To provide crosslinked resin foam being excellent in terms of foam property and shape stability, while having suppressed amount of harmful gas, e.g., ammonia, generated. [Solution] This crosslinked resin foam is obtained by crosslinking and foaming a resin composition comprising (A) a thermoplastic olefin resin and (B) a blowing agent. The crosslinked resin foam has a gel content of 35-85% and satisfies the following (i) and / or (ii). (i) The crosslinked resin foam has a concentration of ammonium ions detected by ion chromatography of less than 1,000 μg per g of the crosslinked resin foam. (ii) The resin composition has an azodicarbonamide content of 0.01 mass% or less.

To provide a flexible medical tube that has low absorption of drug solutions and their components. [Solution] The medical tube may have a continuous inner layer having a continuous outer layer thereon, the inner layer containing polyethylene, or polypropylene, or a polyolefin such as a functionalized polyolefin. The outer layer may contain a thermoplastic polymer such as one or more of thermoplastic polyurethane (TPU), thermoplastic olefin (TPO), thermoplastic elastomer (TPE), styrene-containing thermoplastic elastomer (S-TPE), polyolefin elastomer (POE), styrene-based block copolymer (SBC), or a blend containing these. Advantageously, the outer layer and / or inner layer do not contain polyvinyl chloride. Such tubes can be used as medical devices such as infusion sets.

Systems and methods are disclosed for protecting structures. In example embodiments, one or more waterproof barrier panels are sealed to one or more exterior walls of the structure. In other example embodiments, the barrier system comprises a plurality of sealing elements, protective panels and, optionally, tracks comprising shackles or hooks for suspending the protective panels. The barrier panel optionally comprises a thermoplastic olefin, and further optionally comprises a fire-resistant material.