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7589164 |
Flexibilized resorcinolic novolak resins and method of making same
A flexibilized resorcinolic novolak resin is prepared by reacting a phenolic compound, such as resorcinol, with an unsaturated dihydroxy, an unsaturated aldehyde, an aliphatic dialdehyde, or a...
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7354987 |
Nitrogen-containing compound, the preparation thereof and application in amino-aldehyde resins
The invention relates to a compound of formula I:
where:
X is equal to NR 5 ; R 4 is equal to a C1-C12 alkyl group, aryl group, aralkyl group or cycloalkyl group. R 1 , R 2 , R 3 , R 5 are...
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7196156 |
Flexibilized resorcinolic novolak resins and method of making same
A flexibilized resorcinolic novolak resin is prepared by reacting a phenolic compound, such as resorcinol, with an unsaturated dihydroxy, an unsaturated aldehyde, an aliphatic dialdehyde, or a...
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6949291 |
Twisted polymers, uses thereof and processes for the preparation of statistical copolymers
The invention relates to optical devices comprising a substrate and at least one semiconductive polymer supported by said substrate, wherein said semiconductive polymer is a copolymer in which one...
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6818729 |
Thermosetting resin and method for producing the same
This invention provides a thermosetting resin and a method for producing the same, in which 5% to 95% by weight of an aminoplast resin and 5% to 95% by weight of a polyalkylene glycol are subjected...
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6548565 |
Non-aqueous coating composition based on an oxidatively drying alkyd resin and a photo-initiator
A non-aqueous coating composition based on an oxidatively drying alkyd resin and a photo-initiator. An acid or latent acid and one or more compounds of the group of vinyl ethers, acetals, and...
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6514439 |
Acid-triggered microcapsules
Microcapsules of a microcapsule formed of a polyurea shell wall and an encapsulated ingredient or ingredients enclosed within the wall, the wall comprising at least one oligomeric acetal having the...
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6426393 |
Polyacetal copolymer and method for producing the same
To provide polyacetal which has excellent shock resistance, rigidity and creep resistance as essential properties of the polymer and makes a high flowability and an excellent molding property upon...
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6388049 |
Low-molecular weight oxymethylene polymer and composition thereof
A low-molecular-weight oxymethylene polymer characterized by having a straight-chain molecular structure, a number-average molecular weight of 1,000 to 8,000 and a molecular weight distribution...
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6379800 |
Glyoxal-phenolic condensates with enhanced fluorescence
Glyoxal-phenolic condensates, epoxidized products thereof, as well as their method of manufacture are disclosed. The condensates and epoxidized products have exceptionally high fluorescence as well...
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6337130 |
Acid-triggered release microcapsules
Microcapsules of a microcapsule formed of a polyurea shell wall and an encapsulated ingredient or ingredients enclosed within the wall, the wall comprising at least one oligomeric acetal having the...
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6316583 |
Phenol-novolacs with improved optical properties
The specification discloses a method for the manufacture of a fluorescent polyphenolic product with high UV absorbance, its subsequent epoxidation as well as polyphenolic products and epoxidized...
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6201095 |
Color improvement of DME-melamine resins
A process is described for preparing a dialkoxyethanal-amine derivative resin low in color by adding low amounts of formaldehyde to the reactants before acidification and heating. The reaction...
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6140456 |
Chemicals and processes for making fluorinated poly(para-xylylenes)
New starting materials and chemical processes will be used to make fluorinated poly(para-xylylenes) (F-PPX) and fluorinated poly(para-fluoroxylylenes) (F-PPFX). The processes will use some very low...
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6136200 |
Treatment for paint and lacquer waste water
A composition for the detackification and clarification of acid and alkaline paint and lacquer waste waters and paint spray booth wastes, comprising: an inorganic-organic and/or organic adduct...
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6031132 |
Amide-group-containing polyacetal and its production process and use
An amide-group-containing polyacetal, having acetal structure unit (1) of general formula (1) below in its molecule. This amide-group-containing polyacetal is usable as a detergent builder for...
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5929195 |
Process for producing branched or crosslinked polyacetal resin
A branched or crosslinked polyacetal resin is excellent in blow moldability, has impact resistances such as plane impact resistance, and the smoothness of the inner surfaces of moldings produced...
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5856288 |
Polyalkylene glycol-polyglyoxylate block copolymer, its production process and use
A new block copolymer, which is excellent with regard to abilities such as dispersibility, chelatability, and scale inhibitability, includes a polyalkylene glycol structural unit and a...
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5844059 |
Process for preparing polyacetal copolymer
To prepare a thermally very stable polyacetal copolymer containing a very small amount of unstable parts in a high yield according to a simple process wherein an isopolyacid or an acid salt thereof...
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5830978 |
Resin composition
A resin composition useful as a binder is provided comprising the reaction product of an amine derivative chosen from melamine, glycolurile or their mixtures with a C 1 to C 8 dialkoxyethanal,...
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5739260 |
Hydrophobically modified resin composition for graphics applications
A resin composition useful as a crosslinker for graphics applications is provided comprising the reaction product of an amine derivative chosen from melamine, glycolurile or their mixtures with a C...
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5693743 |
Aminoplastics
The invention relates to aminoplastics, which are created by reacting comnds that contain amide groups with glutaric dialdehyde, and to a process for their preparation and to their use. The...
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5665853 |
Dry strength resin compositions
The tensile strength properties of paper are improved by adding to paper stock a resin composition comprising a water-soluble polymer containing a polyhydric alcohol such as sorbitol in the...
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5665851 |
Aminoplastic resins and their use as a crosslinking agent for cellulose
Aminoplastic resin based on one or more amino derivatives and one or more aldehydes in which the amino derivative is melamine, glycoluril or their mixture in variable proportions and that the...
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5552496 |
Aqueous polyurethane resin dispersion, processes for its preparation, and its use in aqueous coating compositions
An aqueous coating composition which is self-drying or is crosslinked by external agents, processes and dispersions for its preparation and its use. The coating composition comprises: I) 40 to...
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5534611 |
Sulfonated and carboxylated aminoethylenephosphonic acid and aminobis (methylene) phosphinic acid
Novel sulfonated or carboxylated and phosphonomethylated polymers are prepared by first sulfoalkylating or carboxyalkylating polyamines followed by linking of the polyamines through a...
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5437821 |
Process for making carbon-carbon composites by using acetylene terminated conjugated Schiff's base monomers
Carbon-carbon composites of acceptable shrinkage and with negligible voids re prepared in a single casting step from acetylene-terminated Schiff's base monomers by melting a selected monomer,...
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5405938 |
Sequence-specific binding polymers for duplex nucleic acids
The present invention describes a polymer composition effective to bind, in a sequence-specific manner to a target sequence of a duplex polynucleotide, at least two different-oriented Watson/Crick...
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5380789 |
Method of preparing vegetable oil-modified phenolic resin and laminate produced by using the same
A catalyst selected from a perfluorosulfonic acid and an anhydride thereof enables a non-conjugated drying oil to react with a phenol to form a phenol-added vegetable oil without causing hydrolysis...
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5294352 |
Compositions for the detackification of paint spray booth water and waste water
A composition for the detackification and clarification of acid and alkaline paint and lacquer waste waters and paint spray booth wastes, comprising: an inorganic-organic and/or organic adduct...
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5286808 |
Elastomeric crosslinked poly(1,3-dioxlane)
Crosslinked elastomeric acetal polymers are made by the copolymerization of 1,3-dioxolane with a smaller amount of one or more bifunctional monomers. The two functional groups of the bifunctional...
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5276130 |
Aminoplast resin or aminoplast resin precursor
According to the present invention, a β-dicarbonyl functionality, an α,β-unsaturation functionality, or a vinylogous amide functionality is incorporated into an aminoplast resin or an aminoplast...
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5270355 |
Paper coating resin and paper coating composition
A paper coated resin has been provided which simultaneousy provides coated papers with improved ink receptivity, water resistance and blister resistance in a good balance. The resin is obtainable...
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5236980 |
Polyazomethine complexes and method for making optical devices and other materials therewith
A novel composition is a solution in an organic solvent of an electron donor-acceptor complex of a conjugated aromatic polyazomethine compound and a Lewis acid compound. This composition is coated...
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5158611 |
Paper coating composition
A process for producing a resin is disclosed, comprising reacting (a) a polyalkylenepolyamine, (b) an alicyclic dibasic carboxylic acid and/or a reaction product having a free carboxyl group that...
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5079330 |
Polyoxymethylene multi-copolymer and its resin composition
A polyoxymethylene multi-copolymer obtainable by copolymerizing (a) trioxane, (b) at least one cyclic ether or formal compound chosen from the group of ethylene oxide, 1,3-dioxolane,...
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5068279 |
Low free formaldehyde melamine-formaldehyde detackifier and method of using
A melamine-formaldehyde detackifer having less than 0.15% free formaldehyde comprises a melamine-formaldehyde polymer detackifier to which has been added a formaldehyde scavenging agent comprising...
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5049645 |
Preparation method of amino resin particulate having narrow particle size distribution
A continuous preparation method of an amino resin particulate having a maximum particle size of 40 μm or less and an average particle size of from 5 to 15 μm is described. The method comprises...
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5030726 |
Polymerizable cyclic urea derivatives
The present invention relates to polymerizable cyclic urea derivatives which can be thermally split to give rise to an isocyanate group; and to a polymer having cyclic urea pendant groups, which...
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5017641 |
Preparation of aqueous nonwoven binders of low formaldehyde emission on curing based on urea, formaldehyde and glyoxal
Aqueous nonwoven binders that give reduced formaldehyde emission on curing are based on condensation products of urea or derivatives thereof, formaldehyde and glyoxal in a molar ratio, based on the...
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5004798 |
Novel polyacetal copolymers of trioxane and trimethylolpropane formal derivatives
Cationic copolymerization of trioxane and trimethylolpropane (TMP) formal or its ester derivatives yields acetal copolymers having pendant functional groups. The TMP formal or ester derivatives of...
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4983708 |
Novel polyacetal copolymers of trioxane and glycidyl ester derivatives
Cationic copolymerization of trioxane with glycidyl ester derivatives, preferably glycidyl acrylate derivatives, produces thermally stable, usually cross-linked, acetal copolymer. The resulting...
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4975520 |
Production of acetal copolymers from gaseous formaldehyde and cyclic ethers
A process for producing oxymethylene copolymers and terpolymers is disclosed which involves the non-linear addition of gaseous formaldehyde to a cyclic ether having at least two adjacent carbon...
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4975519 |
Novel polyacetal terpolymers of trioxane and alpha, alpha- and alpha, beta-isomers of glycerol formal and functional derivatives thereof
Cationic polymerization of trioxane and a mixture of ester derivatives of α,α- and α,β-isomers of glycerol formal yields acetal terpolymers having pendant functional groups (i.e., ester groups,...
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4975518 |
Novel polyacetal copolymers of trioxane and 1,2,6-hexanetriol formal derivatives
Cationic copolymerization of trioxane and 1,2,6-hexanetriol formal (HTF) or its ester derivatives yields acetal copolymers having pendant functional groups. The HTF formal or ester derivatives of...
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4968774 |
Amino-plastic resins intended for the improvement of cellulosed fibres and their application
Amino-plastic resins soluble in water of which the nitrogenous derivative is chosen from the group comprising urea, 1,3-dimethyl-urea, ethyleneurea, 4,5-dihydroxy-ethyleneurea or their mixtures and...
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4956445 |
Process for the preparation of acetal polymer or copolymer
Acetal polymer having a high degree of polymerization is obtained using a catalyst of a heteropoly acid or an acid salt thereof in a small amount. The catalyst is represented by formula: H x [M...
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4929712 |
Polyacetal resin composition
A polyacetal resin composition is prepared by melt-kneading a polyacetal resin (A) (99 to 40 wt. %) with a thermoplastic polyurethane (B) (1 to 60 wt. %) in the presence of a polyisocyanate...
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4914177 |
Polyquinoxaline polymers, and articles comprising same
A polyquinoxaline polymer is prepared by self condensation of a monomer having both a 1,2-diketone and a 1,2-primary diamine in the molecule. The resultant polymers can be used as dielectric films,...
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4906726 |
Water-based coating compositions containing hydroxides and oxides of calcium, strontium and barium
A water-based coating composition comprising as the first component, a mixture of a polyaldehyde chosen from the group consisting of glyoxal, glutaraldehyde and derivatives of glyoxal and...
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