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7323516 Peroxide curable butyl formulations for rubber articles  
The present invention is directed to a peroxide curable rubber compound containing a butyl rubber polymer and an olefin polymer of ethylene and at least one α-olefin. The present invention is also...
7199191 Impact modifier compositions with improved flowability  
Physical blends of solid particulates of chlorinated polyolefins and elastomeric ethylene copolymers yield a blended product with anti-blocking characteristics superior to that defined by the...
7084205 Polymeric compositions for dewatering sewage sludges  
Compositions comprising of blends of polymeric materials, including a cationic polymer having an intrinsic viscosity of from 8 to 17 dl/g and a cationic content of from 20 to 100% which may be used...
7060753 Thermoplastic elastomers having improved barrier properties  
Thermoplastic vulcanizates having improved barrier properties, comprising a high melt flow index thermoplastic olefin resin, butyl rubber and an oligomer of isobutylene and butene.
7001480 Synthetic chloroprene rubber adhesive composition and process for producing speaker by using the same  
A synthetic chloroprene rubber adhesive composition which contains carboxylated synthetic chloroprene rubber for the main ingredient thereof and further contains chlorinated polypropylene and/or a...
6872780 Butyl polymer composition having improved cold flow properties  
A butyl polymer composition having improved cold flow properties is described. The composition comprises a butyl polymer (preferably a halogenated butyl polymer) and a styrene monomer. The styrene...
6858692 Fluorinated compound, fluoropolymer and process for its production  
A fluoropolymer having repeating units formed by cyclopolymerization of a functional group-containing fluorinated diene represented by the following formula:
6787610 Plasma-resistant fluorine-based elastomer sealing material  
An elastomer sealing material having low dielectric constant and low dielectric dissipation, which is satisfactory with both of resistance to oxygen plasma and non-adhesion to quartz and can be...
6756106 Oil resistant elastic rubber composite  
An oil resistant, elastomeric rubber composite, particularly suited for use as an elastic tape for garments requiring a high degree of oil resistance due to conditions of its use. The rubber...
6632888 Isocyanatosilane-and gel-containing rubber mixtures  
The invention relates to rubber mixtures which contain microgels and isocyanatosilanes and vulcanisates produced therefrom. By adding isocyanatosilanes the mechanical properties of the...
6569946 Thermoplastic fluoropolymers  
Polymer composition comprising (A) (co)polymers based on chlorotrifluoroethylene (PCTFE) and (B) copolymers based on ethylene/chlorotrifluoroethylene (ECTFE) and/or ethylene/tetrafluoroethylene...
6562904 Polyalkene-substituted carboxylic acid compositions having reduced chlorine content  
The residual chlorine content of a polyolefin-substituted carboxylic acylating agent formed by a chlorine-assisted reaction of a polyolefin and an α,β-unsaturated carboxylic reactant can be...
6506839 Elastomer composition  
An elastomer composition obtained by crosslinking 1-99 parts by weight of a crosslinkable rubber-like polymer (A) and 1-99 parts by weight of a polypropylene resin (B) [the total amount of (A) and...
6500898 Dispersants prepared from high polydispersity olefin polymers  
A dispersant is prepared from an amine and a hydrocarbyl-substituted acylating agent, wherein the hydrocarbyl substituent is a polymerized olefin having a polydispersity {overscore (M)} w...
6447913 Thermoplastic polyester resin composition  
To provide a thermoplastic polyester resin composition which has a very good durability to alkaline solutions for a long period of time. That is, a thermoplastic polyester resin composition,...
6316550 Process for preparing thermoplastic molding compositions  
One embodiment of the present invention provides a process, which includes: graft polymerizing a vinyl chloride monomer in suspension in the presence of a core-shell impact modifier; wherein...
6265490 Phenol/diene novolac resins, process of preparation and rubber-based compositions containing the said resins  
The invention relates to novolac resins obtained by condensation (A) of an aromatic compound containing at least two hydroxyl groups and (B) of an unconjugated diene in an (A)/(B) molar ratio of...
6218473 Sulfur cured rubber composition containing chlorosulfonated polyethylene and carboxylated nitrile rubber  
The present invention relates to a sulfur cured rubber composition particularly suited for use in tire treads. The sulfur cured rubber composition is composed of, based on 100 parts by weight of...
6111018 Resin composition  
There is disclosed a resin composition comprising about 99-1% by weight of a vinyl chloride resin and about 1-99% by weight of a copolymer of about 30-70 mol % N-substituted maleimide structural...
5914371 Self fusing tape  
The present invention provides self-fusing, or self-amalgamating, compositions comprising rubber blends, preferably formed into a tapes, which, after being elongated and, for example, wrapped...
5698633 Chloroprene rubber composition and chloroprene rubber composition for vibration damping material  
A chloroprene rubber composition comprising the following polymers A and B in such a proportion that A is from 20 to 70 wt % and B is from 30 to 80 wt %: A: a chloroprene polymer obtained by...
5624993 Chloroprene polymer composition and process for its production  
A chloroprene polymer composition containing an α,β-unsaturated carboxylate polymer having a number average molecular weight of at least 300,000.
5621044 Intervulcanized elastomer blends  
Intervulcanized compositions having improved curing efficiency are prepared by the free radical curing of a mixture of an ethylenically unsaturated diolefin polymer such as natural or synthetic...
5571856 Self-curing clay composition and method  
An aqueous, self-curing clay composition is cured to a ceramic-like state without firing. The clay composition includes a first elastomer capable of curing the composition to a ceramic-like state...
5523355 Chloroprene rubber composition having a high damping performance and method for its production  
A chloroprene rubber composition having a high damping performance, comprising a solid chloroprene polymer and a low molecular weight chloroprene polymer having a number average molecular weight of...
5470945 Thermally reversible isocyanate-based polymers  
Thermally-reversible polymer compositions are obtained by reacting compounds with isocyanate and labile-hydrogen functionality. Aromatic polyimide, aromatic polycarbonate, polyarylsulfide, aromatic...
5409987 Polychloroprene and polymonoolefin rubber adhesive composition  
A flowable adhesive composition specifically adapted for use in securing rubber sheet material to a substrate surface includes at least one polychloroprene rubber polymer, at least one polymer or...
5407993 Polychloroprene blend composition  
Blends of chloroprene homopolymers or copolymers with chloroprene/acrylate or chloroprene/methacrylate graft copolymers provide compositions especially useful as components of latex adhesive...
5391625 Compatibilized elastomer blends containing copolymers of isoolefins  
The present invention provides for compatibilized elastomer blend compositions based on a preferred mixture of a copolymer of a C 4 to C 7 isoolefin, such as isobutylene, copolymerized with a...
5385980 Curable halobutyl rubber/poly-epihalohydrin rubber blends  
A curable halobutyl rubber/polyepihalohydrin rubber blend comprises a cure system consisting essentially of (a) sulfur, (b) sulfur accelerator, (c) zinc-containing promoter, (d) urea or urea...
5290822 Ultra low density polyolefin foam, foamable polyolefin compositions and process for making same  
An ultra low density polyolefin foam having a density of about 0.6 to about 1.5 pounds per cubic foot comprising a heat-plastified mixture comprising (1) a non-elastomeric olefin polymer resin...
5281671 Abrasion-resistant rubber compositions  
An abrasion-resistant rubber composition comprises as rubber components (A) 30-95 wt. % of an end-modified butadiene polymer and (B) 70-5 wt. % of a diene rubber other than the end-modified...
5281651 Compatibilization of dissimilar elastomer blends using ethylene/acrylate/acrylic acid terpolymers  
This invention relates to a compatibilized rubber composition and a process for compatibilizing dissimilar rubber blends comprising blending an ethylene/acrylate/acrylic acid terpolymer with 2 or...
5239039 Polyarylimidazolidines with phenolic hydroxyl end groups  
Polyarylimidazolidines with a degree of polymerization of about one to twenty and having phenolic hydroxyl end groups and a novel three-step process for their preparation are described. In the...
5200467 Moldable polyblends containing a polyvinyl chloride resin  
Disclosed are moldable polyblends comprising a polyvinyl chloride resin blended with a copolymer of an unsaturated dicarboxylic acid moiety and a monomer copolymerizable therewith and an...
5187232 Rubber compounds of polychloroprene and hydrogenated nitrile rubber  
Mixtures of polychloroprene and hydrogenated nitrile rubber give vulcanizates combining high modulus with a high dynamic stress absorption capacity.
5171776 Use of chlorinated polymers to increase the HDT and T.sub.g of dicyclopentadiene polymers  
A crosslinked polymer composition obtained by the metathesis polymerization of a dicyclopentadiene monomer in which a chlorinated polymer such as a chlorinated elastomer or chlorinated...
5151467 N-halothiosulfonamide modified rubber products and process for preparing the same  
N-halothiosulfonamide-modified rubber products are provided. The modified rubber products are prepared by reaction of a rubber, such as a butyl rubber or a halogenated butyl rubber, with a...
5140072 Cured blends of polychloroprene and ethylene copolymers  
The subject invention provides a cured non-foamed composition consisting of (i) polychloroprene and (ii) 2-25% by weight of the polymer composition of a copolymer of ethylene and at least one...
5124408 Rubber mixtures containing sulfur-modified polychloroprene gel  
Rubber mixtures containing so-called "pre-crosslinked" polychloroprene give vulcanizates having an improved combination of low rolling resistance and low abrasion.
5118546 Blend of polychloroprene and epoxidized natural rubber  
The present invention relates to an elastomeric composition comprising a blend of from about 25 to about 75 percent by weight of polychloroprene and from about 75 to about 25 percent by weight of...
5064904 Suitable polychloroprene materials for the production of high-damping vulcanisates  
Vulcanizates of polychloroprene materials containing fluorinated polyolefin have a decreased rebound elasticity without having a significantly adverse effect on the mechanical properties.
5026779 Mixtures of chloroprene polymers  
This invention relates to mixtures of polychloroprene elastomers which are distinguished by their good processibility and excellent cold resistance.
5013785 Pressure-sensitive adhesive composition comprising poly-4-methyl-1-pentene as tackifier  
In the present invention, a polymer having a number average molecular weight (Mn) of from 200 to 40,000 and a glass transition point of from -75° C. to +10° C. which is obtained by the cationic...
4895906 Polychloroprene mixtures  
The invention relates to a polychloroprene rubber which shows advantages over the prior art in the sum total of its performance properties, namely vulcanization rate, tensile strength, elongation...
4891409 Single phase shape-transformable elastomeric compounds  
Crystalline elastomeric network compositions are transformable from their original cured shape into an altered shape and subsequently back to their original shape. The transformation process, which...
4870112 Foamable, gelable and heat vulcanizable composition of matter for the the manufacture of latex foam  
A foamable, gelable and heat-vulcanizable composition for the manufacture of latex foam having, e.g., the following properties: (a) the indentation hardness must be sufficiently high; (b) the...
4849468 Adhesive compositions  
The present invention provides adhesive compositions with strong and firm adhesion to various kinds of synthetic rubbers including polyolefin-type vulcanized rubbers and to various kinds of...
4839428 Method for improving green strength properties of vulcanizable rubber compositions  
This invention is directed toward a method for improving the green strength properties of vulcanizable rubber compositions comprising the step of mixing a halogenated polymer with the vulcanizable...
4758628 Thermoplastic elastomeric blends of polyethylene and polychloroprene gel  
A composition comprising a blend of about 70-20 weight percent crystalline polyethylene resin and 30-80 weight percent emulsion-derived polychloroprene gel is disclosed. The blend is prepared by...
Matches 1 - 50 out of 252 1 2 3 4 5 6 >