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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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7439297 |
Foamable fluoropolymers compositions without using foaming agents
A composition comprising:
A) 50-99.9% by weight of at least a copolymer (1) of ethylene (E) with chlorotrifluoroethylene (CTFE) wherein CTFE is comprised between 53 and 70% by moles, having a...
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7368483 |
Porous composition of matter, and method of making same
A low-k organic dielectric material having stable nano-sized porous is provided as well as a method of fabricating the same. The porous low-k organic dielectric material is made from a composition...
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7361694 |
Durable foam of olefin polymers, methods of making foam and articles prepared from same
Olefin polymer-based, durable, open-cell foam compositions, structures and articles derived from same; methods for preparation of such foams; and use of the dry durable foams in various...
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7358281 |
Hollow polymer particles, aqueous dispersion thereof and production process thereof
Disclosed are hollow polymer particles composed of a crosslinked polymer having a comparatively small particle diameter and a narrow particle diameter distribution, an aqueous dispersion of the...
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7358282 |
Low-density, open-cell, soft, flexible, thermoplastic, absorbent foam and method of making foam
A soft, flexible, low-density, open-cell, thermoplastic, absorbent foam formed from a foam polymer formula including a balanced amount of a plasticizing agent and a surfactant in combination with a...
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7291382 |
Low density flexible resilient absorbent open-cell thermoplastic foam
A low density, flexible, resilient, absorbent open-cell thermoplastic foam includes a combination of thermoplastic elastomer, ethylene ionomer, stiff polymer, and surfactant selected to provide...
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7273894 |
Compositions for the preparation of void-containing articles
Disclosed are novel compositions for the preparation of void-containing articles comprising a polymer matrix and a voiding agent The voiding agent comprises at least one first polymer and at least...
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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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7226956 |
Low density polymeric foam using a three-polymer blend
A polymeric composition to be used in producing low density foam in which the polymeric composition comprises high density polyethylene, alkenyl aromatic polymer and a linear low density...
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7222380 |
Tear resistant gels, composites, and cushion articles
SEEPS gel and gel foam molded shape articles for use in medical and sport health care, such use include therapeutic hand exercising grips, dental floss, crutch cushions, cervical pillows, bed wedge...
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7179845 |
Elastomeric latex foams
The invention relates generally to a stable flexible latex foam. The latex foam will contain at least one polymer having a plurality of hard domains and a plurality of soft domains, a micelle...
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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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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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7115673 |
Photosensitive resin composition, porous resin, circuit board, and wireless suspension board
The present photosensitive resin composition 2 comprises a polyamic acid resin 4 , a photosensitive agent, a dispersible compound 3 dispersible in the polyamic acid resin 4 , and a solvent....
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7109249 |
Composition containing a cross-linkable matrix precursor and a poragen, and porous matrix prepared therefrom
A suitable cross-linkable matrix precursor and a poragen can be treated to form a porous cross-linked matrix having a T g of greater than 300° C. The porous matrix material has a lower dielectric...
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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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6992115 |
Preparation of crosslinked particles from polymers having activatible crosslinking groups
Crosslinked particles are provided that are useful in the manufacture of dielectric materials for use in electronic devices such as integrated circuits. The crosslinked particles are prepared by...
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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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6946495 |
Foamable composition using recycled or offgrade polypropylene
A polymeric composition to be used in producing foam in which the polymeric composition comprises conventional linear polypropylene, high melt strength polypropylene and a rheology modifier resin....
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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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6890965 |
Foamed composites and methods for making same
Foamable compositions are provided including a polymeric component, an encapsulated foaming component in an amount effective in foaming the foamable composition and a wood component in an amount...
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6887910 |
Composition containing a cross-linkable matrix precursor and a poragen, and a porous matrix prepared therefrom
A suitable cross-linkable matrix precursor and a poragen can be treated to form a porous cross-linked matrix having a T g of greater than 300° C. The porous matrix material has a lower dielectric...
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6841582 |
Thermoplastic elastomer composition, foam made from the same, and process for producing foam
The present invention relates to a thermoplastic elastomer composition having a three-dimensional network structure which is not formed by a chemical crosslinking and having an excellent elasticity...
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6812264 |
Foamable polyester resin composition
A foamable polyester resin composition comprising (A) 100 parts by weight of a polyester resin, (B) from 0.5 to 30 parts by weight of a (meth)acrylic ester polymer or a polymer mixture obtained by...
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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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6787580 |
Water-free preparation process for multimodal thermoplastic polymer foam and foam therefrom
Prepare a multimodal thermoplastic polymer foam having a distribution of large and small cells in a substantial absence of water by using a blowing agent stabilizer. Multimodal foams of the present...
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6784216 |
ABS foam and method of making same
The present invention is an ABS foam composition. The composition is comprised of ABS, a foam modifier, and a blowing agent. The composition may be formed into a variety of shapes and products...
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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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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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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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6743846 |
Preparation of flame retardant expandable poly(arylene ether)/polystyrene compositions
A non-halogenated, fire retardant, expandable poly (arylene ether)/polystyrene blends is produced by the method comprising, in a first step, forming a fire retardant mixture comprising a...
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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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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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6664305 |
Chromatography material and a process of manufacturing that material
A process of manufacturing of a chromatography material comprising the steps of (i) reacting a polymerizable at least bifunctional monomer A with a ligand also having a functional group which...
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6653360 |
Flexible foamed polyethylene
A flexible thermoplastic article is formed from a blend comprising from about 2 to about 15 weight percent of a styrene-elastomer block copolymer; from about 60 to about 90 weight percent...
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6613811 |
Microcellular thermoplastic elastomeric structures
Microcellular thermoplastic elastomeric polymeric structures are provided. The articles have an average cell size of less than 100 μm and a compression set ranging from less than about 30% to less...
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6610757 |
Foamable vinyl chloride resin composition
An expandable vinyl chloride resin composition that the expansion ratio of a vinyl chloride resin can be greatly increased by the use of thermally decomposable inorganic blowing agents without the...
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6605650 |
Process of making lightweight, rigid polyurethane foam
In a process generating a polyurethane foam by forming a mixture including isocyanate and polyol reactants, catalyst, and blowing agent, which mixture reacts exothermically to yield a rigid...
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6602923 |
Process for producing alkenyl aromatic foams having increased thermal insulation using cycloalkane blowing agent and foams produced thereby
Processes for producing alkenyl aromatic foams utilizing a cycloaliphatic gas as blowing agent, are described. Also disclosed are alkenyl aromatic foams produced by the process which exhibit...
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6596784 |
Strengthened thermoplastic for window coverings
A thermoplastic window covering article, and the method for making the same. The window covering article is formed of a closed cell foam of a thermoplastic strengthened with diatomaceous earth...
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6583205 |
Flame retardant expandable poly(arylene ether)/polystyrene compositions and preparation thereof
A non-halogenated, fire retardant, expandable poly (arylene ether)/polystyrene blends is produced by the method comprising, in a first step, forming a fire retardant mixture comprising a...
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6583189 |
Strengthened thermoplastic
A thermoplastic article, and the method for making the same. The article is formed of a closed cell foam thermoplastic or substantially solid thermoplastic strengthened with diatomaceous earth...
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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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6548562 |
Foamed thermo-elastic article
Foamed thermoplastic polyolefin elastomer is formed by heating a foamable thermoplastic polyolefin elastomer-containing polymeric composition containing each of a first water-releasing blowing...
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6458863 |
Vibration damping, resinous, open cell cellular bodies
A vibration damping, resinous, open cell cellular body is disclosed. The body has a base material thereof which consists essentially of a mixture of a tri-block copolymer as a combination of...
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6451865 |
Foam composition comprising oil, thermoplastic elastomer and expandable particles
A foam and pre-foam production process, and a foam and a pre-foam is described. The process comprises the steps of: forming a pre-foam composition comprising oil(s), thermoplastic elastomer(s) and...
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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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RE37780 |
Method for the production of substantially open-cell polystyrene sheet
A method of producing a substantially open-cell, expanded polystyrene sheet, comprising the steps of: forming a mixture comprising from 30 to 95% of polystyrene incorporating an aliphatic...
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