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7914results about How to "High impact strength" patented technology

Nano particle reinforced polymer element for stator and rotor assembly

A nano particle reinforced polymer element of a stator and rotor assembly for a power section of a positive displacement fluid motor or a progressive cavity pump. Nano-sized particles are blended with an uncured polymer to improve the physical and chemical properties of the polymer. The use of nano-sized particles reduces the quantity of reinforcement material required to manufacture the polymer for the stator and rotor assembly and lowers the viscosity of the uncured polymer to improve manufacturing characteristics. The use of chemically functionalized nano particles improves the chemical and physical characteristics of the polymer.
Owner:HALLIBURTON ENERGY SERVICES INC

Resin compositions with fluoropolymer filler combinations

A thermoplastic resin composition is disclosed which comprises a matrix polymer, and a combination of a fluoropolymer that can be at least partially encapsulated by an encapsulating polymer, and a filler. Methods for making the thermoplastic resin composition and articles made of such compositions are also disclosed. The composition and article can have improved tensile modulus, ductility and impact properties.
Owner:GENERAL ELECTRIC CO

Dual metallocene catalysts for polymerization of bimodal polymers

This invention relates to catalyst compositions, methods, and polymers encompassing at least one first Group 4 metallocene compound comprising bridging η5-cyclopentadienyl-type ligands, in combination with at least one second Group 4 metallocene with non-bridging η5-cyclopentadienyl-type ligands, typically in combination with at least one cocatalyst, and at least one activator. The compositions and methods disclosed herein provide ethylene polymers with a bimodal molecular weight distribution.
Owner:CHEVRON PHILLIPS CHEMICAL CO LP

Polypropylene-base resin composition and products of injection molding thereof

InactiveUS6441081B1Good balanceExcellent injection moldabilityFilm/foil adhesivesPolypropyleneTalc
A polypropylene resin composition which comprises:(1) 55 to 75% by weight of (A) a polypropylene resin consisting of a mixture of the following polymers (i) and (ii):(i) a propylene-ethylene block copolymer having a propylene homopolymer part which is the first segment and having a propylene-ethylene random copolymer part which is the second segment and(ii) a propylene homopolymer having an intrinsic viscosity [eta]P of 0.8 to 1.8 dl/g as measured in tetralin at 135° C.,(2) 21 to 30% by weight of (B) an ethylene-1-octene copolymer rubber having a melt flow rate (JIS-K-6758 at 190° C.) of 2 to 10 g/10 min and having a 1-octene component content of 20 to 25% by weight, and(3) 5 to 20% by weight of (C) talc having an average particle diameter of not more than 3 mum, wherein when the amount of the second segment contained in the propylene-ethylene block copolymer of the polypropylene resin (A) is designated as (A)' and the ethylene-1-octene copolymer rubber content is designated as (B)', the following expression is satisfied:and when the above composition is subjected to a tensile test according to ASTM D638, it exhibits, an ultimate elongation of at least 400%, and the melt flow rate (JIS-K-6758 at 230° C.) of the composition is at least 30 g/10 min, and an injection-molded article obtained by injection molding the above polypropylene resin composition.
Owner:SUMITOMO CHEM CO LTD +1

Composite polypropylene material and its preparing method

The composite polypropylene material is prepared with polypropylene 10-100 weight portions, polyethylene 1-50 weight portions, inorganic rigid grain 1-50 weight portions, toughener 1-50 weight portions, coupling agent 0.01-10 weight portions and grafting compatilizer 1-50 weight portions. The composite polypropylene material has high rigidity, high impact strength and balanced rigidity and toughness, and compared with common automobile bumper material, it has 15-30 % higher bending modulus.
Owner:吴永刚

Making process of compound wood-plastic material product

The present invention discloses the making process of compound wood-plastic material product. Un-dried wood powder, plastic grain, compatibilizing agent, coupler, antioxidant, reinforcer, color powder and lubricant in certain proportion are fed to a pelletizing extruder for form granular material; and the granular material is extruded in a forming extruder and further processed through cooling to settle, drawing, cutting and decorating to produce the wood-plastic product. The present invention has the advantages of simple process, high production effect and rich material resource, and the product has timber-like texture, excellent performance and environment friendship.
Owner:浙江诚信包装有限公司

High strength aluminosilicate glass and chemically toughening process thereof

ActiveCN101337770AMeet the screen saver functionProtective functionGlass tempering apparatusAlkali freeShock resistance
The invention relates to a high-strength aluminate silicate glass and a chemical toughening method thereof, and belongs to the silicate glass field. The glass comprises the following chemical components (weight percent): 55 to 65 weight percent of SiO2, 0.1 to 3 weight percent of B2O3, 6 to 24 weight percent of Al2O3, 3 to 9 weight percent of MgO plus CaO plus BaO plus SrO, 0 to 1 weight percent of ZrO2, 0 to 2 weight percent of ZnO, 0.1 to 0.5 weight percent of Cl2, 0.1 to 1.0 weight percent of Sb2O3, 0.1 to 0.5 weight percent of SO3 and 0.1 to 0.5 weight percent of F2, and belongs to a aluminate silicate glass system. The high-strength aluminate silicate glass is prepared through a known plate glass production method, and then is subjected to the strengthening treatment by adopting the chemical toughening method. The glass has high permeability of visible light, and relatively common soda lime glass, neutral medicine glass and alkali-free high-aluminum glass have good shock resistance property, high scratch resistance property and high durability. The high-strength aluminate silicate glass is applied to the screen surface protection of plasma display products and liquid crystal display products, the protection of touch screens, the screen protection of automated teller machines, and the screen protection of other electronic products (Mobile phones, PDAs and media machines, etc.), thereby effectively preventing the impact and the scratch damage to the glass surface of display products. The high-strength aluminate silicate glass contains no harmful elements.
Owner:SUZHOU SHINWU OPTRONICS TECH
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