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7612121 |
Cross-linked foamed pressure sensitive adhesive and method for preparing the same
A cross-linked foamed pressure sensitive adhesive having excellent stress relaxing property, restoration property and solvent resistance brought forth by uniform and sufficient cross-linking and...
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7563830 |
Method for the production of biodegradable foamed products
A method for the production of a biodegradable foamed product 7 from a base material and a blowing agent 1 . The base materials are mixed with a blowing agent and any other required additives 1...
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7455799 |
Method of producing polishing pad-use polyurethane foam and polyurethane foam
A production method comprising the step of charging prepolymer, a foaming agent and an active hydrogen-containing compound in specified amounts into a tank and foaming/mixing them for a specified...
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7435762 |
Fire resistant foam and foam products, method and dispersions for making same
A synthetic polymer foam is produced which incorporates fine particles of expandable graphite which surprisingly impart excellent fire resistant properties to the foam, particularly to foam made...
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7329360 |
Oil recovery and environmental cleanup compositions comprising a polyethylene/vinyl acetate copolymer
This invention relates to improvements in products and processes for cleaning up oil, chemical, or other hydrocarbon spills, and cleaning up the environment where such spills have occurred. In one...
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7312253 |
Insulating thermoplastic foams made with methyl formate-based blowing agents
A blowing agent blend for making thermoplastic polymer foams comprises methyl formate. The blowing agent blend can further comprise at least one co-blowing agent. The co-blowing agent is either a...
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7307105 |
Thermoplastic foams made with methyl formate-based blowing agents
A blowing agent blend for making thermoplastic polymer foams comprises methyl formate. The blowing agent blend can further comprise at least one co-blowing agent. The co-blowing agent is either a...
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7265160 |
Crosslinked biodegradable resin continuous foamed sheet and method for production thereof
The foam sheet of the present invention is biodegradable, can be recycled, has good processability, is lightweight, exhibits excellent appearance, has practically satisfactory heat resistance and...
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7244380 |
Process for producing polystyrene resin foam by extrusion
A process for an extruded resin foam, comprising extruding a foamable composition comprising a melted polystyrene resin and a physical blowing agent through a die to obtain a polystyrene resin foam...
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7173070 |
Foam cushion and method of making and using the same
The present invention provides a foam cushion, a method of making the foam cushion, and a method of using the foam cushion. The foam cushion is formed from: (a) at least one of rubber and a resin;...
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7173069 |
Polyolefin foams and methods of making the same
A non-crosslinked polyolefin foam comprises a plastics component and a blowing agent. The plastics component comprises a first constituent and a second constituent. The first constituent is a...
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7166646 |
Asphalt-filled polymer foams
This invention relates to foam insulating products, particularly extruded polystyrene foam, containing asphalt as an infrared attuation and process additives for improving the insulating properties...
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7166248 |
Reduced VOC emission alkenyl aromatic polymer foams and processes
A method for producing an alkenyl aromatic polymer foam structure that comprises melting at least one alkenyl aromatic polymer resin. An effective amount of blowing agent mixture is dissolved in...
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7160929 |
Nanocomposite and molecular-composite polymer foams and method for their production
U.S. Pat. No. 6,232,354 issued May 15, 2001 describes an environmentally friendly and commercially practicable process for the production of microcellular polymer foams from amorphous,...
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7144925 |
Fire resistance acoustic foam
A macrocellular foam is described having improved cell size and Fire-test-response Characteristics, among other features, which is obtained by selecting a particle size less than 1 micron for the...
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7113848 |
Human emulation robot system
One aspect is a robot system comprising a flexible artificial skin operable to be mechanically flexed under the control of a computational system. The system comprises a first set of software...
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7060736 |
Blowing agent solubility in polymers
The selection of additives to improve the solubility of blowing agents may be facilitated by using a method that involves determining and comparing the activity coefficients of prospective...
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7048878 |
Process of forming oil-absorbent bodies
A process for forming an oil-sorbent composition of matter with bound combinations of styrene-butadiene-styrene (SBS) and ethylene propylene diene monomer (EPDM) utilizes a low-temperature...
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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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6963001 |
Low shrinkage thermosetting resin compositions and methods of use therefor
In accordance with the present invention, there are provided thermosetting resin compositions with a reduced propensity to shrink in volume upon cure and methods of use therefor. The compositions...
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6960616 |
Expanded porous thermoplastic polymer membranes
Open-celled membranes from thermoplastic polymers are prepared from foamed polymer melts by extrusion through a die and particulary suitable for filtration.
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6958365 |
Manufacturing process for open celled microcellular foam
The present invention relates to a method for making an open celled microcellular foam comprising providing at least one foamable polymer and a crosslinking agent in an extruder, injecting at least...
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6956068 |
Microcellular foam dielectric for use in transmission lines
The present invention is directed to a novel foamed polymer material for use as a dielectric in electric transmission lines. The foam dielectric of the present invention is obtained from extrusion...
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6949588 |
Perforated foams
Thermoplastic polymer foams having sound deadening properties satisfactory for demanding applications are provided which have mechanical strength, which are economical to manufacture, and which are...
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6911489 |
Methods for preparing agglomerated pellets of polytetrafluoroethylene and molded articles and the agglomerated pellets of polytetrafluoroethylene and molded articles prepared thereby
PTFE pellets with good bulk density, homogeneity, and flowability properties may be obtained by:
(1) wetting a PTFE powder with a solvent, to obtain a wetted PTFE powder; (2) forming the...
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6908950 |
Asphalt filled polymer foam
This invention relates to foam insulating products, particularly extruded polystyrene foam, containing asphalt as an infrared attuation and process additives for improving the insulating properties...
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6908668 |
Foamed polyolefin resin sheet
An object of the present invention is to provide a foamed polyolefin resin sheet which exhibits a high adhesive strength when laminated with a layer formed of a saponified ethylene-vinyl ester...
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6893594 |
Extruded window and door composite frames
Novel window and patio door frame members are formed by an extrusion process that provide these members with at least one channel and with an outer weather resistant surface and an internal...
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6872756 |
Foam comprising ethylene/vinyl acetate copolymer
A foam formed from ethylene/vinyl acetate copolymer having a melt index of greater than 1 gram/10 minutes and a vinyl acetate content ranging from about 5 to about 25 weight percent.
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6870003 |
Process for production of modified thermoplastic resin and modified thermoplastic resins
A process for producing modified thermoplastic resin by subjecting a thermoplastic resin to a modifying reaction in a molten state, comprising performing the modifying reaction using carbon dioxide...
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6852825 |
Polyester urethanes
The present invention relates to polyester urethanes comprising polypentadecalactone segments. These polyester urethanes do show good properties which may be adjusted in a controlled manner. In...
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6841581 |
Extruded styrene resin foam and process for producing the same
An extruded styrene resin foam which is produced by using a blowing agent imposing a reduced load on the environment and has outstandingly excellent thermal insulating property and flame retardant...
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6831113 |
Amine-modified epoxy resin reacted in presence of latent hardener
A method for making a one-component epoxy resin system comprises reacting (A) an epoxy resin and (B) an amine solidifying system present in insufficient quantities to cause gelation in the presence...
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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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6809124 |
Method for the production block foam
The invention relates to a method for the production of polyurethane block foam, wherein a polyurethane reactive mixture containing carbon dioxide is suddenly relieved from a pressure above the...
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6800669 |
Propylene copolymer foams
A foam comprising a propylene copolymer material comprising at least 50 weight percent of units derived from propylene, based on the total propylene copolymer material, and units derived from...
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6790870 |
Methods of making foamed materials of blended thermoplastic polymers using carbon dioxide
A method of producing a foamed material comprises contacting a mixture comprising a first thermoplastic polymer and a second thermoplastic polymer with a blowing agent, wherein the first...
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6773804 |
Extruded polymeric high transparency films
A process for making a protective and decorative surfacing film comprises extrusion coating a solventless polymeric material from an extruder die to form an optically clear first layer on a...
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6770683 |
Foam comprising a blend of ethylene/styrene interpolymer and polyethylene
A foam, comprising a blend of (a) from 0.1 to 4.9 weight percent ethylene/styrene interpolymer; and (b) from 95.1 to 99.9 weight percent polyethylene homopolymer or copolymer.
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6767931 |
Foam compositions from blend of alkenyl aromatic polymers and alpha-olefin/vinyl or vinylidene aromatic interpolymers
A foamable polymer composition is described which comprises: a1) a substantially random interpolymer produced from: i) one or more α-olefin monomers; and ii) one or more vinyl or vinylidene...
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6765029 |
Method for production of porous cross-linked polymer sheet
A method for dehydrating a porous cross-linked polymer conveniently to a low final water content is provided. A porous cross-linked polymer sheet is produced by a method which comprises causing a...
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6762212 |
Extruded styrene resin foams and methods for producing the same
An extruded styrene resin foam obtained by extrusion-foaming of a styrene resin and excellent in environmental compatibility and excellent in flame retardant property and thermal insulating...
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6759445 |
Foam material comprising linear, isotactic polymers
The present invention relates to form materials comprising polymeric material wherein the structure of the polymeric material contains elastic amorphous areas of nano-scale-size reinforced with...
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6750264 |
Multimodal polymeric foam containing an absorbent clay
Prepare a multimodal polymeric foam from a foamable composition containing a polymer, an absorbent clay, and a blowing agent composition containing water and carbon dioxide and that contains less...
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6727291 |
Preparation of expandable propylene polymer beads
A process prepares expandable propylene polymer beads by mixing propylene polymer melt with a volatile organic blowing agent and with a nucleating agent in an extruder, whereupon the extrusion and...
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6720363 |
Preparation of a macrocellular acoustic foam
A process for making a macrocellular acoustic foam is disclosed in which a foamable gel made of a blowing agent and a polymeric resin composition is subjected to an extrusion process at a die...
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6699421 |
Method for forming foamed polypropylene resin sheet and foamed formed article
Provided are a method for forming a foamed polypropylene resin sheet in which draw down and waving are not caused in heating the foamed sheet and in which inferior appearance such as partial...
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6696504 |
Extruded styrene resin foams, and methods for producing the same
Production of extruded styrene resin foams which are excellent in environmental compatibility and retain highly efficient thermal insulation property and have appropriate strength properties is...
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6667350 |
Calcium borate infused foam building materials and the like and method of making same
An insect resistant foam building material includes calcium borate incorporated therein in sufficient quantity to provide insect resistance. Calcium borate may be incorporated in expanded...
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6666998 |
Method and device for producing at least partially open-celled foam films from styrene polymers
A method for producing an at least partially open-celled foam foil on a basis of styrene polymers, nucleating agents, surfactants, physical foaming agents and, if required, further additives, such...
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