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7579384 |
Expanded molded article having voids
An expanded molded article having a void percentage of 5 to 50%, the molded article comprising 50 to 800 parts by weight of styrene-based resin relative to 100 parts by weight of non-crosslinked...
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7423071 |
Polypropylene based resin composition, expanded moldings comprising the same and method for production thereof
A polypropylene-based resin composition for injection foam molding, containing (A) 50 to 95 parts by weight of a linear polypropylene-based resin having a melt flow rate of from 10 g/10 min. to 100...
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7300960 |
Expandable polypropylene resin particle and molded object obtained therefrom by in-mold molding
A specific relationship must be met in case of:
(a) a structural unit derived from propylene is present in 100 to 85 mole %, and a structural unit derived from ethylene and/or alpha-olefin...
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6930132 |
Use of a polypropylene based composition for expanded beads
Use of a polypropylene based composition (C) comprising (a) from 5 to 95% by weight of a random copolymer of propylene (A) containing from 0.5 to 12 mole % of at least one comonomer chosen from...
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6908949 |
Foamable interpolymer resin particles containing limonene as a blowing aid
Interpolymer resin particles comprised of 20% to 80% by weight polyolefin, e.g. polyethylene and 80% to 20% by weight of an in situ polymerized vinyl aromatic resin, e.g. polystyrene or...
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6903143 |
Process for producing thermo-expansive microcapsules
A process for producing thermo-expansive microcapsules wherein a polymerizing mixture containing ethylenic unsaturated monomer and a blowing agent is suspend-polymerized to microencapsulate the...
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6872761 |
Compositions for acoustic-damping coatings
The presence of expandable microspheres in an aqueous coating composition comprised of at least one dispersed polymer and at least one inorganic filler helps to improve the appearance and/or sound...
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6811980 |
Process for immobilization of nucleic acid molecules on a substrate
The present invention relates to a process for immobilization of nucleic acid molecules on a substrate, wherein the substrate is treated with atomic oxygen plasma prior to immobilizing the nucleic...
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6770682 |
Expandable styrene resin beads and foams produced therefrom
Foamable modified polystyrene resin particles which are foamable modified polystyrene resin particles (d) comprising modified polystyrene resin particles (c) containing a blowing agent (e); the...
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6770681 |
Foamable copolymer resin and a method for preparing the same
The application relates to a foamable copolymer resin and a process for preparing the same, which comprises firstly adding an organic peroxide initiator, a modifying aid and a foaming agent to a...
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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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6756413 |
O/W aqueous thermosetting resin dispersion, FRP precision filter medium made with the aqueous dispersion, and process for producing the same
The present invention relates to an O/W type aqueous dispersion which comprises mixing a radical polymerization type thermosetting resin and water together to uniformly disperse particles of the...
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6710130 |
Propylene polymer composition and its foam moldings
A propylene polymer composition of high melt tension, which is especially favorable for foam moldings of uniform thickness, and foam moldings thereof having a uniform thickness, are obtained by...
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6673451 |
Process for forming an aqueous polymeric dispersion
A process for forming certain aqueous polymeric dispersions including a first emulsion polymer having an average particle diameter of 150 to 3000 nanometers and a second emulsion polymer having an...
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6638984 |
Microcellular foams, their method of production, and uses and products thereof
The present invention is directed to thermo-expandable microspheres and to the expanded microballoons, microcellular foam or foamed composite material that results upon heating the microspheres....
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6630422 |
Absorbent polymer material based on renewable starting materials
A method of production of a highly absorbent, polysaccharide-based material, wherein an aqueous solution containing a starting material including a cross-linkable polysaccharide-based polymer blend...
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6617364 |
Method for synthesizing thermo-expandable polymeric microspheres
The present invention is directed to thermo-expandable microspheres and to the expanded microballoons, microcellular foam or foamed composite material that results upon heating the microspheres....
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6617363 |
Method of producing thermally expansive microcapsule
A method of producing a thermally expansive microcapsule that is excellent in heat resistance and solvent resistance, narrow in breadth of the distribution of particle size, and extremely low in...
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6596782 |
Hydrous polyolefin resin composition, preexpanded particles produced therefrom, process for producing the same, and expanded molding
A water-containing polyolefin resin composition containing a polyolefin resin and a hydrophilic polymer and having a water content of 1 to 50% by weight which is suitable for use in preparation of...
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6593383 |
Process for preparing polyolefin pre-expanded particles
To provide a process for preparing polyolefin resin pre-expanded particles which enables to prepare pre-expanded particles having lower fluctuation in expansion ratios. Polyolefin resin...
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6593381 |
Uniformly dense polymeric foam body
A method for providing a uniformly dense polymer foam body having a density between about 0.013 g/cm 3 to about 0.5 g/cm 3 is disclosed. The method utilizes a thermally expandable polymer...
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6576693 |
Pre-expanded particles of polypropylene resin and inmolded foamed article using the same
The present invention aims at preparing polypropylene resin pre-expanded particles capable of providing an inmolded expanded article which prevents pollution of a mold by polypropylene powder at...
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6573308 |
Biologically degradable foamed material particles
In a process for preparing expandable polymer beads based on a mixture made from A. a biodegradable aliphatic/aromatic copolyester and B. a biodegradable naturally occurring polymer, the mixture...
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6552095 |
Laminate, method for producing the same and thermoplastic foam adhesive
A laminate comprising a pair of thermoplastic resin members having fluctuation of clearance between the adhesion surfaces thereof, and a thermoplastic material foam layer which adheres the pair of...
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6541527 |
Process for preparing post-crosslinked polymer bead whose surface area and pore volume are increased
The present invention relates to a process for preparing post-crosslinked polymer bead with increased surface area and pore volume, and suitable pore size, allowing the separation of organic...
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6509385 |
Trauma mitigation and pressure reducing composition
This invention provides deformable low density trauma mitigation or pressure reducing composition comprising a viscous fluid and a plurality of macroparticulates and, optionally, microparticulates...
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6502621 |
Processes for forming styrene/methyl methacrylate copolymers
Copolymers are formed by suspension polymerization of monomers, including one or more styrenic monomers, and methyl methacrylate. The polymerization can be carried out in the presence of one or...
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6498199 |
Resilient cushion composition
A method for making a resilient material includes providing a particulate polymer, discrete pieces of foam, a foaming agent and a plasticizer. The polymer, foam pieces and plasticizer are mixed and...
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6497269 |
Processes for forming styrenic copolymers
Copolymers are formed by suspension polymerization of monomers, including one or more styrenic monomers, and one or more acrylic monomers. The monomers can be polymerized in the presence of...
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6476089 |
Expandable olefin bead polymers
The invention relates to expandable olefin bead polymers which comprise a blowing agent with a boiling point of from −5 to 150° C., selected from the group consisting of alkanes, alkanols,...
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6461550 |
Method for forming a uniformly dense polymer foam body
A method for providing a uniformly dense polymer foam body having a density between about 0.013 g / cm 3 to about 0.5 g / cm 3 is disclosed. The method utilizes a thermally expandable polymer...
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6417240 |
Foams prepared from blends of syndiotactic polypropylenes and thermoplastic polymers
Foams prepared from a blend of a syndiotactic polypropylene (sPP) resin and a foamable thermoplastic polymer resin are provided which exhibit a combination of desirable properties which have...
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6384094 |
Method for producing expandable styrene polymers containing exfoliated graphite particles
The invention relates to a process for the preparation of expandable able styrene polymers containing particles of graphite by polymerization merization of styrene in aqueous suspension in the...
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6369120 |
Acoustical insulation foams
An acoustical insulation foam having, either with or without elastification, an Asker C hardness of less than about 65, a density of about 5 to about 150 kg/m3, a cell size of about 0.05 to about...
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6358580 |
Sealing material which swells when treated with water
The invention relates to an optionally foamed sealing composition for preformed seals which can swell when treated with water. The invention also relates to a method for the production thereof out...
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6326409 |
In-mold foaming article of polypropylene resin composition
The object of the present invention is to provide an in-mold foaming article of a propylene resin composition having improved productivity and stable quality in internal molding, and simultaneously...
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6316509 |
Process for reuse of vulcanized rubber
The invention relates to a thermoplastic material made from (a) recycled rubber particles, (b) expandable microspheres and (c) a thermoplastic resin other than (b) or (c).
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6313184 |
Expanded polypropylene resin beads and a molded article
Propylene resin beads for molding expansion molded articles having improved high temperature resistance include as base resin metallocene-catalyzed copolymers of propylene with at least one or more...
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6231795 |
Soft and flexible foams made from blends of alkenyl aromatic polymers and alpha-olefin/vinyl or vinylidene aromatic and/or sterically hindered aliphatic or cycloaliphatic vinyl or vinylidene interpolymers
A soft foam having an Asker C hardness of less than about 65, comprising; (A) from about 30 to about 70 percent by weight (based on the combined weight of Components A and B) of one or more...
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6225366 |
Polyolefin foam materials of high dimensional stability at elevated temperatures
Polyolefin foam materials of high dimensional stability at elevated temperatures are produced from modified polypropylenes and unmodified polypropylenes. The modified polypropylenes used are...
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6221926 |
Expandable polystyrene resin beads, process for the preparation of them, and foam made by using the same
Foamable modified polystyrene resin particles (E) comprising a particle of a modified polystyrene resin (C) containing a blowing agent (D), wherein the modified polystyrene resin (C) comprises...
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6214896 |
Water-containing polypropylene resin composition and pre-expanded particles made thereof
There is provided a pre-expanded particle having a high expansion ratio and excellent flexibility and cushioning property. The in-mold articles made thereof do not lose mechanical strength, heat...
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6166096 |
Pre-expanded particles of polypropylene resin, process for producing the same and process for producing in-mold foamed articles therefrom
A pre-expanded particle made of a blend of 10 to 90% by weight of a polypropylene resin having a melt index of 6 to 10 g/10 minutes and 90 to 10% by weight of a polypropylene resin having a melt...
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6139961 |
Hollow sphere organic pigment for paper or paper coatings
A hollow sphere organic pigment in which a core containing a void is encapsulated by a first shell polymer having a glass transition temperature greater than 50° C., the first shell having...
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6077878 |
Foam made from modified polypropylene resin and process for the production thereof
The present invention relates to a foamed article comprising a modified polypropylene resin which is a graft copolymer of a polypropylene resin and an aromatic vinyl monomer and has an average...
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6051617 |
Foamed particles of modified polypropylene resin and method of preparing same
A foamed, non-crosslinked resin particle having a bulk density of not greater than 0.045 g/cm 3 and an average cell diameter of at least 200 μm. The non-crosslinked resin includes a polypropylene...
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6048909 |
Foams having increased heat distortion temperature made from blends of alkenyl aromatic polymers and alpha-olefin/vinyl or vinylidene aromatic and/or sterically hindered aliphatic or cycloaliphatic vinyl or vinylidene interpolymers
The present invention pertains to improved alkenyl aromatic polymer foams (and processes for their preparation) having increased heat distortion temperature and improved dimensional stability while...
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6043319 |
Method of preparing void type plastic pigment
Provided is a method of preparing a light-weight and inexpensive void type plastic pigment having enhanced hiding power and whiteness relative to inorganic pigments such as titanium oxide or...
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6040348 |
Composition based on propylene polymers for expanded granules, process for obtaining it and its use
Composition for expanded granules, which comprises, per 100 parts by weight, from 60 to 90 parts by weight of a propylene homopolymer (A) having a melt flow index (MFI) from 0.1 to 20 g/10 min...
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6013687 |
Pre-expanded polyolefin foam beads
Polyolefinic foam beads which can be processed over a wide temperature range to give molded articles where a ratio of the areas of low-temperature peak and high-temperature peak in the DSC curve...
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