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Class 525/57 - With solid polymer derived from ethylenic reactants only


Subclass of Class 525 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein polyvinyl alcohol is mixed with at
No. of patents: 508
Last issue date: 12/27/2011


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NumberTitleIssue Date
5100964Rubber composition
A rubber composition is disclosed, comprising (a) 100 parts by weight of a synthetic rubber and (b) from 0.5 to 10 parts by weight of an alkylene oxide adduct of a saponified ethylene-saturated carboxylic acid vinyl ester copolymer. The rubbber compositio...
03/31/1992
5096964Blow moldable polyacetal compositions
A melt blend of a polyacetal, an ethylene-vinyl alcohol copolymer, and a fibrillatable fluoropolymer resin. The blends are blow moldable....
03/17/1992
5094921Multilayered structure
Provided are multilayered structures comprising at least 2 layers of a layer which comprises a resin composition comprising: (A) a thermoplastic resin, (B) a saponified product of an ethylene-vinyl acetate copolymer having an ethylene content of 20 to 65 mol %...
03/10/1992
5091467Controlled morphology barrier elastomers made from blends of syndiotactic 1,2-polybutadiene and ethylene-vinyl acetate-vinyl alcohol terpolymers
An elastomer barrier composition comprises a melt blend of syndiotactic 1,2-polybutadiene, a terpolymer of ethylene, vinyl acetate and vinyl alcohol, and a compatibilizing agent. The melt blend is formed under suitable mixing and shear conditions such tha...
02/25/1992
5089353Multi-layer material having gas barrier properties
A multi-layer material with a layer (A) of a saponified product of an ethylene-vinyl acetate copolymer having an ethylene content of 20 to 60 mol % and a degree of saponification of at least 90% and a layer (B) of a styrene-based polymer having mainly syn...
02/18/1992
5082743Resin composition and multilayered structure
Provided are resin compositions comprising: (A) 60 to 95% by weight of an ethylene-vinyl acetate copolymer having an ethylene content of 20 to 65 mol % and a saponification degree of vinyl acetate component of at least 96%, (B) 4.5 to 39.5% by weight of an eth...
01/21/1992
5075355Stabilizer concentrate
An improved stabilizer concentrate for use in stabilizing polymeric blend compositions which comprise a thermally sensitive interpolymer. The stabilizer concentrate comprises a carrier resin, and a stabilizing agent capable of stabilizing a thermally sens...
12/24/1991
5075373Water retention material with water-absorbency
A water retention material with water-absorbency which comprises finely divided particles of water-absorbent resin having a water absorption capacity of 2 to 50-fold and a particle size of 100μ or finer and a hydrophobic material such as a thermoplastic ...
12/24/1991
5073599Films using blends of polypropylene and polyisobutylene
Polymeric film which is a blend of about 10% to 65% by weight polyisobutylene and conversely about 90% to 35% by weight of polypropylene copolymer. The polypropylene is preferably a copolymer having about 70 to about 98 mole percent propylene moieties and...
12/17/1991
5066691Adhesive composition for metal-clad laminates
An adhesive composition for metal-clad laminates which comprises: (a) 100 parts by weight of a polyvinylbutyral having an average polymerization degree of from 500 to 3,000 and a degree of butyralization of at least 60 mol %, (b) from 10 to 200 parts by weight...
11/19/1991
5061751Vinylpyrrolidone grafted polyolefins in polymer blends and composites
A thermoplastic composition containing a first phase of a polar thermoplastic polymer, a second phase of non-polar polyolefin incompatible therewith, and a vinylpyrrolidone grafted polyolefin at least at an interface to compatibilize the different phases....
10/29/1991
5051462Halogen-containing thermoplastic resin composition
A halogen-containing thermoplastic resin composition comprising a halogen-containing thermoplastic resin (A), a metallic soap (B) and an ash- and alkali metal-lean ethylene-vinyl acetate copolymer hydrolysate (C) having an ethylene content of 20 to 75 mol...
09/24/1991
5045594Container closures and sealed containers
A preformed container closure element, preferably a cap, is formed of a polymeric matrix containing an ethylene vinyl alcohol polymer to reduce oxygen permeability of the cap. The cap is of special value for sealing filled jars or bottles, especially of g...
09/03/1991
5043383Heat-shrinkable film having high shrinkage upon brief exposure to low activation temperatures
Disposable diapers can be manufactured at high production speeds by using for the waistband a heat-shrinkable plastic film that is dimensionally stable at ordinary room temperature and shrinks in one direction at least 25% within 5 seconds at 54° C. Such...
08/27/1991
5041338Polypropylene composition
The present invention relates to a polypropylene composition useful as an adhesive comprising a modified polypropylene resin graft-modified with from about 0.01 wt. % to about 2 wt. % of a radical-polymerizable unsaturated compound and a crystalline propy...
08/20/1991
5039741Toughened polyoxymethylene and shaped articles produced therefrom
The invention relates to a mixture composed essentially of polyoxymethylene (component A), a rubber-elastic graft copolymer in which the particles have been formed from a rubber-elastic, single-phase core based on polydiene and a hard graft shell (compone...
08/13/1991
5039519Hair cosmetic composition
A hair cosmetic composition comprising fine particles of a crosslinked polymer, which are insoluble in water and ethanol and do not form a film at normal temperature, is disclosed. A conventionally known film-forming polymer may also be formulated optiona...
08/13/1991
5034281Resin compositions and multi-layered structures utilizing the same
The present invention provides resin compositions comprising a blend of two different saponified products of ethylene-vinyl acetate copolymers. The composition is much improved compared to a single EVOH in flexibility without adversely affecting the trans...
07/23/1991
5032434Compatibilized blend comprising skin polymer, ethylene-vinyl alcohol copolymer, and poly-2-oxazoline
A polymer blend comprises a skin polymer, an ethylene-vinyl alcohol copolymer and a poly-2-oxazoline. The polymer blend possesses good gas barrier properties and excellent mechanical strength. A particularly preferred blend comprises an improved reclaim l...
07/16/1991
5024897Blends of polyamide, polyolefin, and ethylene vinyl alcohol copolymer
Compositions comprising polyamides, polyolefins and ethylene vinyl alcohol copolymers useful as compatibilizers, related processes and articles made therefrom. A composition comprising from 50 to 99.4 percent by weight of a polyolefin, from 0.5 to 50 perc...
06/18/1991
5021504Thermoplastic polyolefin-polycarbonate composition
A thermoplastic resin composition having well-balanced properties which comprises 95-5 weight % of polycarbonate, 5-95 weight % of polyolefin and a particular combination of additional components selected from a styrene-ethylene.propylene copolymer, a sty...
06/04/1991
5010134Acrylate/maleic anhydride copolymer grafted polyvinyl alcohol graft terpolymers
A polyvinyl alcohol graft terpolymer comprises 70-30% by weight of polyvinyl alcohol and 30-70% by weight of acrylate/maleic anhydride copolymer having 95-30 mole % of acrylate and 50-70 mole % of maleic anhydride, which is prepared by a condensation-coup...
04/23/1991
4997880Polymer composition, a process for producing a polymer composition, and the use of such a polymer composition
This invention relates to a polymer composition comprising (a) 30-70 parts by weight of one or more ethylene-propylenediene rubbers, (b) 30-70 parts by weight of one or more ethylene-vinyl acetate copolymers with a vinyl acetate content of 18-40% by weight, and (c)...
03/05/1991
4994508Specific hydrogenated block copolymer composition and process for producing the same
A composition comprising, (a) 1 to 99 parts by weight of a specific hydrogenated product of a block copolymer having at least one polymer block composed mainly of a vinyl aromatic compound and at least one polymer block composed mainly of a conjugated die...
02/19/1991
4990551Absorbing polymer
Absorbing polymer consisting of a polymer A which is an optionally modified polyvinyl alcohol or an optionally modified polysaccharide or a mixture of these, and of a polymer B which is a maleic anhydride homo- or copolymer having a hydrolysis time of 5 t...
02/05/1991
4988606Negative-working radiation-sensitive mixture with polymer having 1,2,3-thiadiazole groups, and recording material produced therefrom
A negative-working radiation-sensitive mixture comprising a binder and a polymer containing 1,2,3-thiadiazole groups is disclosed. The binder is a polyfunctional compound having functional groups that react with ketene. The polymer is a compound obtained ...
01/29/1991
4987182Hydrophilic polyvinybutyral alloys
A hydrophilic polymer blend is disclosed which comprises a first polymer component which is an organic solvent-soluble, thermoplastic polyvinylbutyral (PVB) and a second polymer component which is a hydrophilic poly(N-Vinyl lactam), e.g., a water soluble ...
01/22/1991
4977211Water-absorptive resin composition
A water-absorptive resin composition which comprises (A) 5 to 95% by weight of a water-absorptive resin and 95 to 5% by weight of (B) a polyolefin resin and (C) an ethylene/଱-olefin copolymer rubber, based on the total contents of said components (A...
12/11/1990
4977212Adhesive resin composition, laminated material using it and resin composition containing it
An adhesive resin composition useful for bonding a resin having gas barrier properties and a hydrophobic thermoplastic resin which comprises an ethylene-acrylate or methacrylate copolymer grafted with an ethylenic unsaturated carboxylic acid or its acid a...
12/11/1990
4972012Polyvinyl chloride resin composition
The polyvinyl chloride (PVC) resin-based composition of the invention gives a molded article which suffers little from the disadvantageous phenomenon of surface whitening as is sometimes unavoidable when a conventional PVC resin-made article is prolongedl...
11/20/1990
4972020Modified block copolymer composition
A modified block copolymer composition comprising a thermoplastic polymer and a modified block copolymer consisting essentially of a base block copolymer of a monovinyl substituted aromatic hydrocarbon polymer block and an olefin compound polymer block ha...
11/20/1990
4968744Polyvinyl butyral polyblend
A polyblend comprising first and second polyvinyl butyral components admixed with plasticizer, one of the components present in minor amount (preferably 10 to 30 weight %) containing chemically bound ionomeric groups which are preferably the metal salt of...
11/06/1990
4968743Process for preparing polyinyl butyral sheet
In a process for preparation of polyvinyl butyral sheet by blending polyvinyl butyral with plasticizer and extruding the blend to form the sheet, the step in combination therewith of including in the blend a modification-promoting amount, preferably up to...
11/06/1990
4965314Oxygen barrier resins
Carbon monoxide-containing ethylene polymers are blended with vinyl alcohol polymers, including vinyl alcohol homopolymers and copolymers, to prepare oxygen barrier resins having good processability....
10/23/1990
4957974Graft copolymers and blends thereof with polyolefins
A novel graft copolymer capable of imparting to a polyolefin when blended therewith high tensile modulus and high sag resistance without increasing melt viscosity, and a method of making the same. The graft copolymer is a polyolefin having a relatively hi...
09/18/1990
4950515Blends of polyamide, polyolefin, and ethylene vinyl alcohol copolymer
Compositions comprising polyamides, polyolefins and ethylene vinyl alcohol copolymers useful as compatabilizers, related processes and articles made therefrom. A composition comprising from 50 to 99.4 percent by weight of a polyolefin, from 0.5 to 50 perc...
08/21/1990
4942096Polypropylene resin composition
The present invention relates to a polypropylene resin composition useful as an adhesive comprising (A) from about 51 wt. % to about 99 wt. % of a modified polypropylene resin graft-modified with a radical-polymerizable polar unsaturated compound or a mix...
07/17/1990
4937284Modified polyolefin, method for making the same, and use thereof
Modified polyolefin comprising a polyolefin linked to a hydrolyzable silane which is reactable with polyvinyl alcohol and being chemically bound to polyvinyl alcohol by the silane, and method for preparing the same....
06/26/1990
4931100Boron-containing preceramic blend and fiber formed therefrom
A process for producing boron-containing ceramics such as boron carbide and boron nitride comprises pyrolyzing a blend of a precarbonaceous polymer such as polyacrylonitrile and a boron-containing polymer such as that formed by the reaction of a borane wi...
06/05/1990
4921907Resin composition and multilayered structure
A resin composition comprising from about 95 to about 30 parts by weight of a saponified product of an ethylene-vinyl acetate copolymer (A), comprising ethylene units in an amount of from about 20 to about 55 mole percent, and exhibiting a degree of sapon...
05/01/1990
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