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5559175 |
Polyvinyl acetals which can form emulsifier-free aqueous dispersions and redispersible dry powders, processes for their preparation and their use
Preparation of polyvinyl acetals which can form emulsifier- and surfactant-free aqueous dispersions and redispersible dry powders and contain copolymeric polyvinyl acetals with, in amounts...
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5550182 |
Masking composition for protecting vehicle surface from overspray
A masking composition for protecting a surface from paint overspray, the masking composition including: polyvinyl alcohol which is at least 98.0% hydrolyzed and has a viscosity less than about 7...
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5545684 |
Emulsion adhesives
Aqueous emulsion adhesives having a pH from 2 to 6 which comprise homo- or copolymeric polyvinyl esters, polymeric protective colloids, water-soluble compounds which can be complexed with the...
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5541241 |
Method of using poly(vinyl alcohol) fluidized polymer suspensions in aqueous systems
At least 20% of poly(vinyl alcohol) (PVA) is dispersed in an aqueous solution of at least one salt dissolved therein selected from the group of sodium or potassium formate, sodium, potassium, or...
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5539042 |
Aqueous, coatable, thermally condensable composition
A nonwoven surface treating article suitable for treating surfaces while emitting little formaldehyde includes an open, lofty, three-dimensional nonwoven web of a plurality of thermoplastic organic...
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5539038 |
Ink jet ink and process for making same
Provided is an ink jet ink comprised of water, a pigment, a polymeric electrolyte, preferably a sodium, potassium or lithium salt of a polymeric carboxylic acid, a polyhydric alcohol and a...
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5530046 |
Method for producing an oxidation-treated polymer solution and a method for producing a laminate using the solution
A saponified ethylene-vinyl acetate copolymer is oxidation-treated in solution in a solvent mixture of water and alcohol in the presence of hydrogen peroxide and a polyvalent metal salt to provide...
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5527852 |
Paper coating agent
A coating agent comprising a particulate PVA having an average particle diameter of 0.01 to 1 μm has excellent applicability through blade coaters or roll coaters.
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5525669 |
Aqueous emulsions comprising polyvinyl butyral
Aqueous emulsions which include polyvinyl butyral are prepared by mixing a nonionic emulsifier with polyvinyl butyral and, if desired, with a plasticizer resin and, if desired, with one or more...
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5519085 |
Aqueous dispersions containing ABC triblock polymer dispersants
Aqueous dispersions having improved stability and which are particularly well suited for use as aqueous ink jet ink compositions comprise an aqueous carrier medium which comprises water or a...
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5519084 |
Redispersible acrylic polymer powder for cementitious compositions
A method for preparing an acrylic polymer powder which is redispersible in water by atomizing an aqueous polymer dispersion containing a dispersing aid, the improvement which comprises employing an...
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5514752 |
Polypropylene molding composition having improved surface properties
Moldings which have been produced by thermoplastic forming from a polypropylene molding composition which comprises polypropylene or ethylene/propylene copolymers and polyvinyl butyral of the...
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5502089 |
Polymer emulsion agent for cross-linking a polymer emulsion and method for making a polymer film
A crosslinkable polymeric emulsion has a pH from about 1.5 to about 8.5 and includes a carboxyl-substituted latex polymer dispersed in an aqueous medium, an Iron (III) compound and an amount of a...
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5494759 |
Ink jet printing material
Ink jet printing materials comprise a support and an ink receiving layer containing a pigment, a hydrophilic binder comprising polyvinyl alcohol, vinylpyrrolidone homopolymer and/or...
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5492953 |
Resin composition
Provided are resin compositions comprising the following (A), (B), (C), which is at least one member selected from (C 1 ) through (C 3 ) and (D): (A): a polyolefin, (B): a saponified product...
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5491189 |
Aqueous vulcanizing adhesive
The adhesive strength of an aqueous binder dispersion consisting of: a halogenated copolymer which, in addition to other components, contains an alkylation-active monoalkenylaromatic alkyl halide;...
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5489638 |
Poly(vinyl alcohol) fluidized polymer suspensions
At least 20% of poly(vinyl alcohol) (PVA) is dispersed in an aqueous solution of at least one salt dissolved therein selected from the group of sodium or potassium formate, sodium, potassium, or...
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5476896 |
Water-based contact cement
Water-based contact adhesives comprising: (1) a carboxylated polychloroprene latex which provides elastomeric properties; (2) a carboxylated poly(vinyl acetate-ethylene) aqueous emulsion...
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5473006 |
Polyvinyl alcohol-modified rosin-based emulsion polymers
The invention relates to polyvinyl alcohol-modified, rosin-based, resin-fortified emulsion polymer compositions having improved properties which are useful in formulating gravure and flexographic...
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5466739 |
Water-based maskant composition and chemical milling method using the same
A water-based maskant composition and a chemical milling method using the maskant composition. Said water-based maskant composition comprises 100 parts by weight (as solids) of a latex constituent...
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5462981 |
Method of producing plasticized polyvinyl alcohol and its use for the preparation of starch-based, biodegradable thermoplastic compositions
The method of producing plasticized polyvinyl alcohol by mixing polyvinyl alcohol in the presence of an organic plasticizer and water in a quantity which is insufficient to dissolve the polyvinyl...
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5442001 |
Use of low toxicity solvents in waterborne adhesives
The use of C 1 -C 5 alkyl butyrates, d-limonene, ethylene glycol monobutyl ether and C 5 -C 20 petroleum distillates and normal paraffins in place of methyl chloroform (1,1,1-trichloroethane)...
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5439960 |
Woodworking adhesives based on multistage emulsion polymer
A woodworking adhesive composition prepared by a two stage emulsion polymerization procedure wherein the first stage comprises the step of emulsion polymerizing vinyl acetate with 0.1 to 6% by...
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5438709 |
Lubricous gloves and method for making lubricous gloves
A modified elastomeric glove is disclosed having a lubricous coating made up of polyvinyl alcohol and a thickening agent. The thickening agent is initially added in order to increase the...
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5434216 |
Woodworking latex adhesives with improved water, heat and creep resistance
Water resistant emulsions for woodworking adhesives may be prepared using an emulsion polymer, the polymer being prepared in the presence of 1 to 2.5% by weight of 88% hydrolyzed polyvinyl alcohol...
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5422050 |
Reinforced polyvinyl alcohol hydrogels containing uniformly dispersed crystalline fibrils and method for preparing same
This invention provides reinforced composite structures consisting essentially of a matrix and a dispersed phase, where the matrix is a hydrogel containing water and a solubilized vinyl alcohol...
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5412021 |
Water-base erasable ink composition for use in marking pens
A water-base erasable ink composition for use in marking pens which comprises: (a) water as a solvent; (b) a colorant dispersed or dissolved in the water in an amount of 0.5-20% by weight: ...
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5401798 |
Gypsum-based materials, process for their preparation and their use
Materials based on gypsum and organic additives are improved if they contain polyethers and, if desired, polymers. They can be used in a wide range of areas, for example as slabs in the building...
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5397815 |
Process for the production in watery emulsion of blends of polyvinylic alcohols and respective products obtained
Process for the preparation of an aqueous emulsion of two or more polyvinyl alcohols (PVA) for the production of polyvinylchloride (PVC-S) in an aqueous suspension in which at least a first...
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5395880 |
Manufacturing method of resin granules
The present invention provides a method which makes it possible to manufacture substantially spherical resin granules with a narrow grain size distribution by a simple operation. According to the...
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5395873 |
Toy paste based in polyvinyl alcohol
The present invention relates to a composition for paste, designed, in particular, to be used as a toy paste, which is obtained by immobilization of an aqueous solution of polyvinyl alcohol with a...
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5393804 |
Biodegradable compositions comprising starch and alkenol polymers
There is provided a biodegradable composition as obtained from a melt comprising converted starch, a plasticizer and at least one member selected from alkenol homopolymers and/or alkenol copolymers...
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5389403 |
Water-based polymer thick film conductive ink
The present invention relates to an aqueous conductive polymer thick film-forming composition comprising a water-soluble thermoplastic polymer, a polymer dispersion in water, a glycol...
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5387638 |
Emulsion composition
There is disclosed an emulsion composition which comprises an aqueous emulsion (A) obtained by emulsion polymerization of 100 parts by weight of an ethylenically unsaturated monomer in the presence...
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5374679 |
Sizing agent and paper sized therewith
A sizing agent for paper, which comprises 100 parts by weight of a polyvinyl alcohol (component A) and from 1 to 20 parts by weight of a compound (component B provided with the following requisites...
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5368671 |
Paper tube for photosensitive materials
A paper tube consisting essentially of one or a plurality of paper tapes formed into a tube and a blend adhesive comprising two or more aqueous adhesives different in their concentrations adhering...
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5367015 |
Polyvinyl acetals having improved melt viscosity characteristics, processes for their preparation and their use
Preparation of soluble polyvinyl acetals having a low degree of crosslinking, which show improved melt viscosity characteristics, by acetalization of soluble polyvinyl alcohols having a low degree...
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5360857 |
Polymer scale preventive agent from naphthoquinone dye
A polymer scale preventive agent for use in polymerization of vinyl chloride monomer or a monomer mixture containing vinyl chloride monomer as a major component, comprising: (A) a naphthoquinone...
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5354803 |
Polyvinyl alcohol graft copolymer nonwoven binder emulsion
A surfactantless, formaldehyde-free polyvinyl alcohol graft copolymer binder emulsion for non-woven products is prepared comprising: 12% to 35% of a fully hydrolyzed low or ultra low molecular...
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5354587 |
Hydrophilic compositions with increased thermal and solvent resistance
A fluid filtration material made of a porous substrate, e,g. a membrane or a fabric that is coated with a fluorinated copolymer that contains recurring vinyl alcohol units to impart hydrophilicity....
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5354804 |
Method of emulsifying thermoplastic resin composition
A thermoplastic resin is emulsified by feeding a thermoplastic resin composition obtained by melting and mixing 80 to 98 wt. % of the resin with 2 to 20 wt. % of poly(vinyl alcohol) in a biaxial...
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5350630 |
Repulpable securing devices
The invention relates to repulpable securing devices for securing repulpable articles. The securing devices are preferably in the form of straps or tapes made from extruded sheets of...
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5349009 |
Water-based construction adhesive mastic
A water-based construction adhesive composition containing an aqueous emulsion polymer binder which comprises a blend, based on 100 weight parts of polymer solids, of 25 to 75 parts aqueous...
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5349000 |
Extrudable polyvinyl alcohol compositions containing polyester-polyether block copolymers
In a melt extrudable polyvinyl alcohol composition consisting essentially of polyvinyl alcohol and plasticizer, which has been made melt extrudable by adding sufficient energy to the polyvinyl...
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5346935 |
Hydrogel
The hydrogel of the invention contains polyvinyl alcohol (a hydrogel support), and a high water-absorbent resin and/or a hydrophilic high molecular compound, which are capable of containing a large...
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5334629 |
Control of continuous phase pH using visible light to activate pH-dependent fibers and gels in a controlled and reversible manner
A transparent polyelectrolyte fiber or gel, such as cross-linked polyacrylic acid, which contracts and expands upon the addition of an acid or base to an aqueous medium solution, is placed in the...
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5324778 |
Process for preparing novel moisture-curable hot-melt adhesive compositions
Novel crosslinkable hot-melt adhesive compositions, curable by atmospheric moisture, include (i) the prepolymerizate of an hydroxylated ethylene/vinyl acetate copolymer with a stoichiometric excess...
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5321076 |
Composition of ethylene-vinyl acetate copolymers
Ethylene-vinyl acetate copolymer compositions useful as adhesives, vibration-damping compositions or coating compositions which comprises a saponification product or a grafted saponification...
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5319022 |
Ethylene copolymer molded structure and ethylene copolymer composition
The first molded structure of the present invention is formed from ethylene copolymer compositions comprising (A) 50-80% by weight of an ethylene/unsaturated ester copolymer, and (B) 50-20% by...
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5319015 |
Aqueous release agent for the production of polyurethane moldings containing polyvinyl alcohol
An aqueous release agent for the production of polyurethane moldings and more particularly of polyurethane foam moldings, is provided, which in combination with a release substance contain one or...
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