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7557147 |
Soft foams made from interpolymers of ethylene/alpha-olefins
Foamable compositions and soft foams comprise at least an ethylene/α-olefin interpolymer. The soft foam has a density from about 10 to 150 kg/m 3 . The foamable compositions further comprise a...
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7452920 |
Electronically and ionically conductive porous material and method for manufacture of resin wafers therefrom
An electrically and ionically conductive porous material including a thermoplastic binder and one or more of anion exchange moieties or cation exchange moieties or mixtures thereof and/or one or...
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7435761 |
Microporous polyethylene film and method of producing the same
Disclosed is a microporous polyethylene film for a battery separator and a method of producing the same. The microporous polyethylene film comprises a resin mixture, which includes 100 parts by...
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7423070 |
Surface-modified base matrices
The present invention is a surface-modified base matrix comprised of a porous polymeric base matrix onto which branched hydrophilic polyhydroxy-functional polymers have been covalently attached,...
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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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7332531 |
Microporous high density polyethylene film
Disclosed is a microporous high density polyethylene film for a battery separator and a method of producing the same. The microporous high density polyethylene film includes high density...
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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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7247657 |
Expandable compositions and methods of making and using the compositions
A novel expandable composition and method for using the same are disclosed. The disclosed method relates to using the composition, for example, as an automotive cavity sealant. The inventive...
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7238765 |
High density polyethylene and insulation compositions for wire and cable
High density polyethylene having reduced melt elasticity and a reduced level of highly short-chain branched polymer molecules and wire and cable insulation compositions based thereon having...
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7198844 |
Microporous polymeric resin containing stabilizers and method for making thereof
Microporous particles for stabilizing thermoplastic compositions comprising comprising a stabilizer are provided. Each of the porous microparticles has a plurality of preformed pores into which the...
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7183332 |
Process for the preparation of porous polymers and polymers obtainable thereof
A process for preparing porous olefin polymers comprising bringing into contact in a polymerization reactor, at a temperature T 1 , one or more olefins of the formula (I) CH 2 ═CHR 1 , R 1 being...
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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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7094463 |
Foam and method of making
The present invention is directed to a process for producing a polypropylene foam by mixing a high melt strength polypropylene and a blowing agent to form a melt mixture, reducing the temperature...
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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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7008972 |
Golf ball comprising microporous materials and methods for improving printability and interlayer adhesion
Golf balls and methods of making same having at least one layer including a microporous composition, wherein the microporous composition includes a polymer component and a filler component and...
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6971211 |
Cellulosic/polymer composite material
The present invention is a component such as a siding panel that may be comprised of various formulations of cellulosic/polymer composite materials. One embodiment of the present invention is a...
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6914085 |
Expanded polypropylene granule composition
Expanded granules or a moulded article made therefrom, based on semicrystalline propylene polymer comprising, per 100 parts by weight, less than 0.035 parts by weight of volatile compounds and...
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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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6887912 |
Compatible linear and branched ethylenic polymers and foams therefrom
An expanded cellular ethylenic polymer product is provided from an irradiated, noncross-linked linear ethylenic polymer. Linear ethylenic polymers can be irradiated at ambient conditions sufficient...
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6872757 |
Expandable composition, blowing agent, and process for extruded thermoplastic foams
An extruded thin sheet foam is disclosed prepared from a polyolefin resin in which the blowing agent comprises a blend of from about 1 to 25% by weight of carbon dioxide and the balance of C3 to C4...
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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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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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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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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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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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6734218 |
Process for producing foamed rubber
There are provided: (i) a process for producing a foamed rubber having a density of less than 0.50 g/cm 3 , which comprises the step of foaming and cross-linking a rubber composition containing...
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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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6693140 |
Container comprising foamed olefin resin and process for producing same
There are disclosed: (1) a container comprising a foamed olefin resin, wherein weight W (g) and content volume V (ml) of the container satisfy the following expression (1): W(g)/V(ml)≦0.055 ...
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6649666 |
Propylene polymer coupling and foams
The invention includes a process for providing a coupled propylene polymer foam. The invention also includes any composition comprising a product formed by the process of the invention and any...
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6638988 |
Porous film, separator for cell, and cell
A porous thermoplastic resin film capable of functioning well as a separator of a cell is provided. The porous film is constituted with a thermoplastic resin and a filler, wherein X R defined by...
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6632850 |
Microporous materials and methods of making the same
Microporous materials and articles are disclosed. The microporous materials contain a crystallizable propylene-containing polymer, a beta-nucleating agent, and a diluent that is miscible with the...
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6596783 |
Process for producing foamed resin article
The present invention provides a process for producing a foamed resin article, the process comprising: a step (the first step) of impregnating any one crystalline thermoplastic resin or resin...
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6593386 |
Compitable linear and branched ethylenic polymers and foams therefrom
An expanded cellular ethylenic polymer product is provided from an irradiated, noncross-linked linear ethylenic polymer. Linear ethylenic polymers can be irradiated at ambient conditions sufficient...
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6583193 |
Polyolefin foam useful for sound and thermal insulation
An extruded, coalesced foam strand propylene polymer material that is either open-celled and useful for sound insulation applications or close celled and useful for thermal insulation applications....
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6573305 |
Foams made by photopolymerization of emulsions
The invention discloses methods for making foams by photopolymerizing emulsions comprising a reactive phase and a phase immiscible with the reactive phase components. Foams made from water-in-oil...
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6562447 |
Foamed polypropylene sheet having improved appearance and a foamable polypropylene composition therefor
Foamable polypropylene composition comprising a polypropylene resin having an D1238L melt flow rate of from about 0.5 to about 30 g/10 min, and a method for extruding rigid, foamed polypropylene...
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6559194 |
Polyolefin products and process additives therefor having reduced transfer to substrates
A process additive for polyolefin films and foams produces products having reduced aging time and reduced greasiness and reduced grease-like transfer as compared to glycerol monostearate (GMS)....
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6544450 |
Process for producing thermoformable foam sheet using a physical blowing agent
The present invention is a process for producing a thermoplastic foam sheet comprising contacting a molten monovinylidene aromatic or olefinic polymer with a physical blowing agent to form a...
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6541105 |
Acoustical open-cell polylefins and process for making
This invention provides an expanded open-cell foam polymer composition comprising at least one linear or modified linear polyolefin, at least 50% of the cells being open, and the cells having an...
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6531520 |
Polymer blend
The invention relates to polymer blends which can be used both in foamed and unfoamed states as a replacement for conventional EPDM and other elastomers. The composition of the blend includes a...
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6512019 |
Polypropylene copolymer foams and their use
This invention relates generally to foamable crystalline propylene polymers obtained from metallocene catalysis and to their methods of production. The foamed crystalline propylene polymers have...
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6455604 |
Process for producing foamed rubber
There is provided a process for producing a foamed rubber comprising a step of foaming a rubber composition, which composition comprises: (A) 100 parts by weight of an ethylene-α-olefin copolymer...
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6429234 |
Foam, an interior material made of the foam, a molded article destined for an interior vehicular material, and production methods thereof
The object is to obtain a foam, an interior material, and a molded article destined for an interior automotive or other vehicular material which can inhibit the formation of crystals in the fogging...
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6417242 |
Propylene polymer foams
The present invention relates to a foam, a process for preparing the foam and an article containing the foam. The foam contains a coupled propylene polymer and has a density in of from 9.6 to 801...
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6414047 |
Polyolefin foam and polyolefin resin composition
A high-expanded crosslinked foam having excellent flexibility, toughness, heat resistance and compressibility, a smooth surface and uniform cells, and a polyolefin resin composition to be used...
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6387970 |
Porous moisture-absorbing and desorbing polymer
There is disclosed a porous moisture-absorbing and desorbing polymer, characterized in that, said polymer is an organic polymer containing 2.0-12.0 meq/g of carboxyl groups of a salt type, having a...
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6384096 |
Product made of compliant crosslinked polyolefin foam
The product made of crosslinked polyolefin foam of the invention is characterized by a compression of at most 7 N/cm 2 , measured according to the ASTM D 1667 standard with a degree of compression...
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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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6368742 |
Polypropylene microporous membrane for battery separator
A battery separator is a polypropylene microporous membrane, made from a beta-nucleated precursor, and having an electrical resistance of less than 30 ohms-inches per mil, and a puncture strength...
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6355696 |
Polypropylene resin pre-expanded particles
Polypropylene resin pre-expanded particles having a weight of 0.3 to 1.8 mg per particle and a mean cell diameter of at most 250 μm and exhibiting two fusion peaks on a DSC curve thereof one of...
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