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8168096 |
Process for producing polystyrene foam particles having a high density
A process for producing polystyrene foam particles having a bulk density in the range from 40 to 400 g/l by extrusion of a polystyrene melt comprising carbon dioxide and/or water as blowing agent...
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8092730 |
Molded rotatable base for a porous pad
A rotatable base for a porous pad has openings that provide for improved flow distribution of a liquid in the base across a substrate. The rotatable base can be molded from a two piece mold and the...
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8076381 |
Polyhydroxyalkanoate-based resin foamed particle, molded article comprising the same and process for producing the same
The object is to provide a molded product of foamed particles obtained by charging biodegradable resin foamed particles which are of vegetable origin and excellent in environmental compatibility...
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8017229 |
Polyurethane composite, its preparation and use
A polyurethane composite is disclosed comprising rigid polyurethane and foamed thereupon a flexible integral skin (surface pore closed) polyurethane foam, wherein the rigid polyurethane having a...
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7977448 |
Method for producing highly condensed solid-phase polyesters
The invention relates to a continuous or discontinuous method for the production of highly condensed polyesters in the solid state, comprising a crystallization of a polyester material, wherein the...
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7837910 |
Method of forming a hardened skin on a surface of a molded article
A method of forming a hardened skin on a surface of a molded article. In an exemplary method, a formable material is mixed with a blowing agent to form a foam material. The foam material is placed...
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7704437 |
Applicator for cosmetics
A compounded rubber, which is made up of an NBR polymer, an organic peroxide and a blowing agent, to which 1 to 100 parts by weight of a synthetic silicic acid serving as a reinforcing filler and...
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7556756 |
Production method of polyurethane foam molded article
The present invention provides a method for producing a polyurethane foam molded article from a polyisocyanate compound, a polyol mixture containing polyol, a catalyst and a crosslinking agent, and...
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7540985 |
Method of producing a polyurethane foam molded article
A method of producing a polyurethane molded article is provided, in which one molding machine which can provide distinctly polyisocyanate component(s) and two kinds of polyol components is used,...
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7459109 |
Method for manufacturing foam pads
A method for manufacturing foam pads includes a first step of preparing a proper amount of PVC power, DOP curing agent, light calcium carbonate, kaolin, foaming agent and pigment and pouring them...
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7455798 |
Methods for producing low density products
A method of preparing a low-density material and precursor for forming a low-density material is provided. An aqueous mixture of inorganic primary component and a blowing agent is formed, the...
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7452585 |
Monolithic structures, methods of manufacture and composite structures
An article of manufacture comprising a sag-resistant nucleus-forming monolithic composite capable of being located within a hollow interior portion of a structural material and being expanded...
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7446138 |
Wood particle filled polyvinyl chloride composites and their foams
Extruded composite compositions of PVC and wood particles containing chitosan or chitin as a coupling agent are described. The composite compositions have improved physical and mechanical properties.
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7435365 |
Method of fabricating hollow foamed-rubber member
A method of making a hollow foaming member is to utilize the foaming agents with various decomposition speeds or gas issued into the rubber sheet in the die while vulcanization and foaming. As a...
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7390446 |
Foamed supramolecular polymers
Process for the preparation of foamed supramolecular polymers characterized in that the foaming of the supramolecular polymer is carried out in the presence of blowing agents.
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7361294 |
Injection molding of polymeric material
Injection molding systems and methods useful for making microcellular foamed materials are provided as well as microcellular articles. Pressure drop rate and shear rate are important features in...
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7341683 |
Method of manufacturing foamed polyethylene films and related products
The present invention solves the problems left unaddressed by the prior known processes by providing a method to produce foamed-thermoplastic films of sufficient strength for use in consumer...
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7329374 |
Method for manufacturing resing films
A method for manufacturing resin films includes steps of mixing PU resin and hydroxyl compound to become a first-kind first-phase mixture, and of mixing a pigment with a foaming agent to become a...
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7288196 |
Plant matter packaging method
An integrated system and method for removing excess nutrients from water, for removing the nutrients from the removal site, for enhancing soil, and for producing pulp and paper products includes...
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7273571 |
Molded table and its method of manufacture
A plastic table structure includes a tabletop comprising a thin polymer shell layer surrounding an expanded foam core. The multiple layers of the finished tabletop are molded concurrently in a...
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7255819 |
Method of manufacturing game ball
Disclosed is a process for producing the baseball or softball for child, for exercise and for toy that has good security characteristics and similar playing characteristics to a conventional game...
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7250125 |
Method of fabricating foamed rubber member
A method of making a foamed rubber member includes the steps of: a) Stirring and pressing the foaming raw material repeatedly, wherein the foaming raw material has rubber, an accelerator, and...
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7250124 |
Structural reinforcement article and process for preparation thereof
The invention is a process for the preparation of article comprising placing a film on each inner surface of each part of a two part mold; placing an article in the mold with film located between...
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7220374 |
Molded foam vehicle energy absorbing device and method of manufacture
A method for forming energy absorbing components for motor vehicles includes mixing a polymeric resin and blowing agent combination. The combination is heated to liquefy it. A mold for receiving...
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7183020 |
Separator for battery and lithium ion battery using the same
A battery separator of the invention is obtained by press forming a meltblown nonwoven fabric comprising 4-methyl-1-pentene polymer or a 4-methyl-1-pentene/α-olefin copolymer, the battery ...
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7160939 |
Active masterbatch for production of CO2 generating masterbatch
A compound permitting the economic production of packaging containers, which when activated produces concentrated amounts of CO2 gas for extended periods for preservation of perishable products...
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7138079 |
Methods for making foamed elastomer gels
Methods for making foamed elastomer gels are disclosed. Chemical foaming agents may be incorporated or gas may be injected into a molten gel and then using heating and cooling techniques and/or...
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7094371 |
Porous synthetic bone graft and method of manufacture thereof
A process for preparing artificial bone is described which comprises: (i) preparing a mixture of a finely divided bio-compatible ceramic powder, an organic binder and a pore-forming agent in an...
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7052634 |
Method for making a foam sheet having ventilation holes
A method for making a foam sheet having ventilation holes includes the steps of: (a) preparing first and second molds, each including lower and upper mold parts separably closed to each other so as...
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7052633 |
Method for manufacturing a transparent acrylic container having colored bubbles
A method for manufacturing a transparent acrylic container having colored bubbles includes the following steps: (A) preforming a plurality of colored beads, (B) forming a container made of...
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7048879 |
Sheet-form structure of expandable thermoplastic resin, thermoplastic resin foam and methods for manufacturing thereof
A sheet-form structure of expandable thermoplastic resin is provided which is capable of undergoing a pseudo-one-dimensional expansion in its thickness direction and which enables manufacture of...
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7037453 |
Laminate of metal powder and foaming agent between two metal layers
The invention relates to a process for forming a laminate comprising a core of a compressed metal powder mixed with a foaming agent between two metal layers, comprising the successive steps of...
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7033528 |
Method for molding a synthetic pallet, composition and product by process
A molded shipping pallet is set forth as well as a process for molding and composition therefore. The process includes pre-heating and mixing various meshes of ground, crumb rubber with other...
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RE38993 |
Process for producing alkenyl aromatic foams using a combination of atmospheric and organic gases and foams produced thereby
There is disclosed a process for producing alkenyl aromatic foams utilizing a combination of atmospheric and organic gases as blowing agent, preferably using greater than 30% by weight of...
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6994814 |
Method for manufacturing injection-molded foamed article
Disclosed is a method for manufacturing an injection-molded foamed article, the method comprising the steps of: melt-kneading a thermoplastic resin and a chemical foaming agent in a cylinder of an...
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6964748 |
Co-injection methods using endothermic-blowing agents and products made therefrom
The invention provides a method of co-injection molding. The method includes mixing a plastic inner material and an endothermic-blowing agent to form a core mixture. A plastic outer material is...
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6955778 |
Method for producing syntactic polyurethane
Syntactic polyurethanes are prepared by mixing hollow microspheres with polyurethanes by a process in which, in a first step, the polyurethane system components are reacted and, in a second step,...
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6936200 |
Plastic wood fiber foam structure and method of producing same
A process for producing plastic/wood fiber composite foamed structures includes the steps of pre-drying wood fiber filler; mixing it with plastic to form a mixture; feeding the mixture into an...
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6875298 |
Process for manufacturing molded articles provided with cavities
Process for manufacturing molded articles made of plastics, cellulose, pulp or wood fibers with cavities, in particular composite parts for light weight construction, by means of tool parts,...
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6841106 |
Foamed polyester resin molding and process for producing the same
The invention provides a method for producing a foamed article comprising the steps of: heating a mixture comprising (a) 100 parts by weight of linear saturated polyester, (b) 0.1 to 10 parts by...
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6821464 |
Process for producing polymer/filler composite material
A process for producing a polymer/filler composite material includes a mixture forming step in which there is obtained a mixture of a flake-like filler and a polymer material, and the mean area...
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6815047 |
Foamed thermoplastic resin sheet and manufacturing method of the same
A foamed thermoplastic resin sheet has a foaming ratio of not less than 2.5, and cells, existing in an interior part which extends inward from a depth of 20 percent a whole thickness of the sheet...
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6773640 |
Process for injection foaming, and machine and composition therefore
A process for injection-foaming a thermoplastic resin by using an injection molding machine with a two-stage-compression screw, injecting a physical foaming agent into the cylinder of the machine...
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6764564 |
Manufacturing method for synthetic leather
A manufacturing method for a synthetic leather includes a first step of feeding materials of preset volume, a second step of materials foaming (capable to be skipped if unnecessary), a third step...
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6733707 |
High performance microcellular foam and manufacturing method apparatus thereof
The present invention is a high performance microcellular polyurethane foam suitable for numerous applications normally considered outside the realm of conventional solid systems. Also included in...
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6730248 |
Foamed article of thermoplastic resin composition and process for producing it
A process is provided for producing a foamed article of a thermoplastic resin composition having a relatively thicker solid skin layer exhibiting better appearance without occurrence of a swirl...
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6716380 |
Process and device for cross-linking/expanding a blank for a safety support for a tire and support obtained by this process
A process for cross-linking/expanding at least one cross-linkable, expandable blank, which is intended to form all or part of an elastomeric safety support for a tire in which: the cross-linking...
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6660195 |
Process for producing a skin material-laminated foamed thermoplastic resin molding
The present invention relates to a process for producing a skin material-laminated foamed thermoplastic resin molding and to foamed thermoplastic resin moldings, said process comprising a skin...
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6652787 |
Process for the production of a wiping material for a vacuum chamber
The present invention provides a wiping material for a vacuum chamber having sufficient sludge wiping properties and water retention attained by easy control over cell diameter and use of a...
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6630221 |
Monolithic expandable structures, methods of manufacture and composite structures
An article of manufacture comprising an expandable sag-resistant nucleus-forming monolithic composite capable of being located within a hollow interior portion of a structural material and being...
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