| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 161 | Macrocellular acoustic foam containing particulate additive | US10499802 | 2003-01-15 | US20050086823A1 | 2005-04-28 | Suresh Subramonian; Chung Park |
| A cellular thermoplastic polyolefin foam comprising at least one particulate additive in admixture with a polymer matrix is disclosed, along with a process and foamable gel for manufacturing the same, wherein the polyolefin matrix comprises at least one polymer resin graft-modified with at least one polar group selected from the group consisting of acid, acid ester, and acid anhydride, and salts thereof. The invention facilitates the manufacture of macrocellular foams useful for acoustic absorption having increased amounts of particulate additives that provide certain desired properties difficult to achieve without the particulate additives, such as improved flame retardancy. | ||||||
| 162 | Low gloss olefin | US10884007 | 2004-07-02 | US20050014888A1 | 2005-01-20 | Deenadayalu Chundury; Susan Schmidt; Daniel Evans; Christopher Brenner |
| The present invention provides low specular gloss polymeric compositions that exhibit good mechanical strength and methods of forming the same. According to the method of the invention, a masterbatch composition that includes fiberglass dispersed in a polypropylene homopolymer or copolymer is melt-mixed with a copolymer or homopolymer of polypropylene and a filler such as talc or calcium carbonate to form a polymer blend that exhibits low specular gloss and good mechanical properties. | ||||||
| 163 | Cellular molded article in mold pattern having surface skin and producing method thereof | US10878252 | 2004-06-29 | US20040234708A1 | 2004-11-25 | Kiyoshi Matsuki; Kaoru Yaguchi |
| A cellular molded article in a mold pattern having the surface skin, which has an excellent releasing property from a metal mold as well as an excellent printing property of a design formed on a surface of metal mold, and a producing method thereof are provided. The cellular molded article in a mold pattern having the surface skin and a producing method thereof, in which, at least a face of surface skin material, which contacts with a metal mold, is an olefin thermoplastic elastomer sheet which is composed of an olefin resin without containing a polyethylene resin as its matrix, and pre-expanded beads, which are employed for an expansion molding in a mold pattern, are pre-expanded beads of an olefin resin. | ||||||
| 164 | AQUEOUS EMULSIFICATION OF HIGH MOLECULAR WEIGHT FUNCTIONALIZED POLYOLEFINS | US10334468 | 2002-12-31 | US20040229985A1 | 2004-11-18 | Sanjay Kashikar |
| A one-step direct method of making a high molecular weight functionalized polyolefin aqueous emulsion is provided. In this one-step direct method, a functionalized polyolefin having a molecular weight of at least 10,000, a fatty acid, a base, a surfactant, and water are heated in a pressure reaction vessel to a temperature above the emulsification temperature of the polyolefin with agitation for a period of time sufficient to form an aqueous emulsion. This high molecular weight functionalized polyolefin aqueous emulsion can be added to a sizing composition and applied directly onto glass fibers in the glass fiber manufacturing process. | ||||||
| 165 | Aqueous emulsification of high molecular weight functionlized polyolefins | US10334468 | 2002-12-31 | US06818698B1 | 2004-11-16 | Sanjay Kashikar |
| A one-step direct method of making a high molecular weight functionalized polyolefin aqueous emulsion is provided. In this one-step direct method, a functionalized polyolefin having a molecular weight of at least 10,000, a fatty acid, a base, a surfactant, and water are heated in a pressure reaction vessel to a temperature above the emulsification temperature of the polyolefin with agitation for a period of time sufficient to form an aqueous emulsion. This high molecular weight functionalized polyolefin aqueous emulsion can be added to a sizing composition and applied directly onto glass fibers in the glass fiber manufacturing process. | ||||||
| 166 | Molecular melt and methods for making and using the molecular melt | US10811535 | 2004-03-29 | US20040181012A1 | 2004-09-16 | Marlin E. Walters; Marius W. Sorenson; Malcolm F. Finlayson; Robin J. Lee; Clark H. Cummins |
| The present invention includes a molecular melt composition comprising an antioxidant and a coupling agent. The molecular melt is partially amorphous in nature. The invention also includes a method for making the molecular melt composition and a method for using the molecular melt to produce coupled polymers. The invention further includes a method for using an antioxidant to phlagmatize a coupling agent. | ||||||
| 167 | Molecular melt and methods for making and using the molecular melt | US09848933 | 2001-05-04 | US06776924B2 | 2004-08-17 | Marlin E. Walters; Marius W. Sorenson; Malcolm F. Finlayson; Robin J. Lee; Clark H. Cummins |
| The present invention includes a molecular melt composition comprising an antioxidant and a coupling agent. The molecular melt is partially amorphous in nature. The invention also includes a method for making the molecular melt composition and a method for using the molecular melt to produce coupled polymers. The invention further includes a method for using an antioxidant to phlagmatize a coupling agent. | ||||||
| 168 | Transformation of polymers to useful chemicals oxidation | US10333646 | 2003-06-20 | US20040019156A1 | 2004-01-29 | Walter Partenheimer |
| Polymeric materials are recycled by transformation to useful chemicals by oxidization in the liquid phase using acetic acid as a solvent and a metal bromide catalyst. | ||||||
| 169 | Process for producing coated polymeric articles and the articles produced thereby | US09135228 | 1998-08-17 | US06649235B2 | 2003-11-18 | Ravi Prasad |
| A method for producing a coated polymeric article by co-extruding polypropylene and a maleic anhydride modified polypropylene, corona-treating, and applying a polysilicate barrier is described. Also provided are films and bottles produced using this method. | ||||||
| 170 | Hot melt pressure sensitive adhesives for disposable articles | US10384810 | 2003-03-10 | US20030168165A1 | 2003-09-11 | Stephen F. Hatfield |
| A hot melt pressure sensitive adhesive (HMPSA) is obtained by combining a linear A-B-A block copolymer, wherein the B component is polyisoprene and the A component is polystyrene (S-I-S), at least one compatible tackifying resin, at least one plasticizer, antioxidant(s) and stabilizer(s) and optionally a wax, wherein the A-B-A block copolymer contains 0 to 10 % by weight residual A-B diblock. The HMPSA is suitable as a positioning adhesive for disposable articles like plasters, bandages, sanitary napkins, e. g. feminine napkins, adult incontinent pads or diapers. The HMPSA has a viscosity from 3,500 mPas to 25,000 mPas at 140null C. and exhibits adhesion values from 1.0 to 3.0 N/cm at coat weights of 10 to 25 grams per square meter. | ||||||
| 171 | Microcellular thermoplastic elastomeric structures | US09708846 | 2000-11-08 | US06613811B1 | 2003-09-02 | Matthew Pallaver; Sung W. Cha |
| Microcellular thermoplastic elastomeric polymeric structures are provided. The articles have an average cell size of less than 100 &mgr;m and a compression set ranging from less than about 30% to less than about 5%, and a rebound value of at least 50%. The articles may be formed from a thermoplastic elastomeric olefin, preferably metallocene-catalyzed polyethylene. The density of the articles ranges from less than 0.5 gm/cm3 to less than 0.3 gm/cm3. | ||||||
| 172 | Process for manufacturing packaging film | US09819088 | 1999-12-01 | US06548108B1 | 2003-04-15 | Wolfgang Lohwasser; Olaf Frei; Olivier Y. Muggli |
| A process for manufacturing a packaging film that is transparent to UV light and has a barrier action against water vapor and gases. The packaging film includes a substrate film of a polyolefin or polyamide with a ceramic coating layer of SiOx, where x is a number from 1.5 to 1.8. The thickness of the ceramic coating layer is 10 nm to 2 &mgr;m. The ceramic coating layer of SiOx is deposited onto the polyolefin or polyamide substrate film using a vacuum thin film deposition process by depositing silicon oxide (SiO2) and elementary silicon (Si) simultaneously in vacuum. | ||||||
| 173 | Emulsification process for functionalized polyolefins and emulsions made therefrom | US95934 | 1998-06-12 | US06166118A | 2000-12-26 | Kenneth Wayne Hyche; Terry Lynn Cutshall; Wallace Neville Cox; Stephen Louis Poteat |
| A process for emulsifying a functionalized polyolefin is described. A functionalized polyolefin having a weight average molecular weight greater than 10,000, a fatty acid, a base in an amount sufficient to neutralize the functionalized polyolefin and the fatty acid, a surfactant and water are mixed in a pressure reactor vessel to form a pre-emulsion concentrate having a solids concentrate ranging from about 55 to 90% by weight. The pre-emulsion concentrate is then heated with agitation in the reaction vessel to an emulsification temperature, preferably at or above the melting point of the highest melting polymer in the formulation, for a time sufficient to form an emulsion concentrate. Water is then added to the emulsion concentrate within the pressure reactor vessel, diluting the solids content to about 5 to 50% by weight, and heated with agitation to the emulsification temperature for a time sufficient to form a functionalized polyolefin emulsion. Preferably, the resulting emulsion is rapidly cooled. | ||||||
| 174 | Polymer films and process for the preparation thereof | US537889 | 1995-10-30 | US6146764A | 2000-11-14 | Esa Suokas; Mika Harkonen |
| The lamellar layer is formed by overlapping plates of the liquid crystalline polymer in the isotropic matrix. The oxygen transmission rate of a 50 .mu.m thick layer of the monolayer structure is typically less than 150 cm.sup.3 /(m.sup.2 .multidot.d.multidot.bar). | ||||||
| 175 | Crosslinked polyolefinic foams with enhanced physical properties and a dual cure process of producing such foams | US332228 | 1999-06-14 | US6124370A | 2000-09-26 | Kim L. Walton; Seema V. Karande |
| Foamed articles having enhanced tensile, elastic recovery, and creep and fatigue resistance properties are prepared using a dual cure system. This system comprises a heat or radiation-activated first stage cure (which follows or coincides with foaming) followed by a moisture-activated second stage cure. Heat-activated curing systems include peroxide, sulfur, etc., and radiation-activated cure systems include electron beam, gamma-ray, etc. Moisture-activated systems include silane, sulfonyl chloride, and the like. | ||||||
| 176 | Microporous film of high molecular weight polyolefin and process for producing same | US683221 | 1996-07-18 | US5882518A | 1999-03-16 | Kazuo Yagi; Hitoshi Mantoku; Akinao Hashimoto |
| A microporous film of high molecular weight polyolefin useful in the prepration of filter mediums or non-aqueous battery separators and a process for producing the film are disclosed. The microporous film of high molecular weight polyolefin contains leaf vein-like fibrils as a main constituent on each of which fibrils indeterminate-form crystallites of not more than 1 .mu.m in size flocculate and has an intrinsic viscosity, �.eta.!, of 4 dl/g or more and, preferably, has:(a) a void content of 25% or more;(b) a gas permeability of 1900 sec/100 cc or less;(c) a tensile strength of 0.05 GPa or more; and(d) a gas impermeability-acquiring temperature of 140.degree. C. or lower. The microporous film is produced by subjecting a high molecular weight, biaxially oriented polyolefin film of 60% or more in crystallinity to a heat treatment and, if necessary, to a stretch treatment to thereby melt or dissolve the indeterminate-form portion of the film, then crystallizing it onto the fibrils as crystallites. | ||||||
| 177 | Aqueous epoxy resin coating with electrically conductive pigments | US764899 | 1996-12-16 | US5804615A | 1998-09-08 | Peter Schreiber; Reinhard Windmann; Dieter Huber; Stefanie Goecke |
| This invention relates to an aqueous coating composition based on epoxy resins for coating plastic substrates. It contains 7.5 to 25 wt. % of one or more epoxy resins 1.5 to 10 wt. % of one or more water-miscible polyamines 0 to 10 wt. % of one or more chlorinated and/or non-chlorinated polyolefins1 to 35 wt. % of electrically conductive pigments and/or extenders 5 to 25 wt. % of one or more organic solvents and 35 to 60 wt. % of water wherein the sum of the above-stated constituents amounts to 100 wt. % and the coating composition additionally contains conventional lacquer additives, pigments and/or extenders and optionally further binders. | ||||||
| 178 | Process for producing silane-crosslinked polyolefin | US776317 | 1997-01-30 | US5756582A | 1998-05-26 | Tsuneharu Mori |
| A process for producing a silane-crosslinked polyolefin which is characterized by melt-blending (i) a polyolefinic base polymer, (ii) a carrier polymer A containing an organic unsaturated silane and a free radical generating agent and containing substantially no water and (iii) a carrier polymer B containing a silanol condensation catalyst and an antioxidant, at a temperature higher than the crystal melting point of the base polymer to effect reaction, and then contacting the resulting reaction product with water to effect crosslinking. The process can provide a silane-crosslinked polyolefin excellent in extrusion processability as well as in crosslinking property, mechanical property and heat resistance. | ||||||
| 179 | Ultra low density polyolefin foam, foamable polyolefin compositions and process for making same | US79383 | 1993-06-21 | US5290822A | 1994-03-01 | John E. Rogers; Ronnie D. Kisner |
| An ultra low density polyolefin foam having a density of about 0.6 to about 1.5 pounds per cubic foot comprising a heat-plastified mixture comprising (1) a non-elastomeric olefin polymer resin selected from the group consisting of ethylene homopolymers, non-elastomeric copolymers of ethylene and a copolymerizable monomer, and propylene homopolymers; (2) an elastomer in an amount of about 3 to about 30 wt. parts per 100 wt. parts of said non-elastomeric olefin polymer resin; (3) polystyrene in an amount of about 1 to about 15 wt. parts per 100 wt. parts of said olefin polymer resin; (4) a stability control agent selected from the group consisting of partial esters of long chain fatty acids with polyols, higher alkyl amines, fatty acid amides, and olefinically unsaturated carboxylic acid copolymers, and (5) a hydrocarbon blowing agent having from 1 to 6 carbon atoms and a boiling point between -175.degree. C. and 50.degree. C., said heat-plastified mixture being at a temperature and a pressure which does not allow said mixture to expand, foamable compositions for making said low density polyolefin foam and process of making said foam. | ||||||
| 180 | Ultra low density polyolefin foam, foamable polyolefin compositions and process for making same | US935783 | 1992-08-27 | US5225451A | 1993-07-06 | John E. Rogers; Ronnie D. Kisner |
| A foamable composition for producing an ultra low density polyolefin foam having a density of about 0.6 to about 1.5 pounds per cubic foot comprising a heat-plastified mixture comprising (1) an olefin polymer resin selected from the group consisting of ethylene homopolymers and copolymers of ethylene and a copolymerizable monomer; (2) an elastomer in an amount of about 3 to about 30 wt. parts per 100 wt. parts of said olefin polymer resin; (3) polystyrene in an amount of about 1 to about 15 wt. parts per 100 wt. parts of said olefin polymer resin; (4) a stability control agent selected from the group consisting of partial esters of long chain fatty acids with polyols, higher alkyl amines, fatty acid amides, and olefinically unsaturated carboxylic acid copolymers, and (5) a hydrocarbon blowing agent having from 1 to 6 carbon atoms and a boiling point between -175.degree. C. and 50.degree. C., said heat-plastified mixture being at a temperature and a pressure which does not allow said mixture to expand, said low density polyolefin foam made from said foamable composition and process of making said foam. | ||||||
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