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WO/1988/009323A1 |
Formaldehyde scavengers are prepared by the transesterification of dialkyl malonate or ethylacetoacetate with a substituted or unsubstituted polyhydric alcohol to obtain a water-soluble active methylene compound of formula (I), wherein R...
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WO/1988/007567A1 |
The invention relates to foundry binding compositions and their uses. The foundry binding compositions comprise resorcinol, an amino resin, and a solvent. The foundry binding compositions are mixed with an aggregate and an acid to form a...
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WO/1988/005444A1 |
Aqueous solutions of water soluble synthetic resins, such as urea-formaldehyde resins, are charged to an ultrafiltration membrane unit (2) for separation into a concentrate (C) solution and a permeate (P) solution. The permeate solution ...
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WO/1986/007072A1 |
Novel product having formula (I), where ''polymer'' is an amine functional polymer, such as amine terminated polyethylene imine, amine terminated polyalkylene glycols, amine terminated anilineformaldehyde, amine terminated nylons, amine ...
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WO/1986/001457A1 |
Fire retardant compositions in the form of a powder are produced from the following components: Aldehyde 70-140 (parts by weight), ammonium phosphate 50-250, ammonium, alkali metal or alkaline earth metal compound or salt 50-25, urea rea...
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WO/1985/004175A1 |
This invention is directed to cured fibrous composites prepared from the resinous reaction products of hydroxy aromatic mono-aldehydes and methylated pyridines or methylated pyrazines. This invention is also directed to thermosettable pr...
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WO/1985/003698A1 |
It has now been found that certain phosphonate derivatives of bis(aminoalkyl)piperazines are good threshold agents to prevent metal ion precipitation in aqueous solutions. They also function as sequestering and/or chelating agents as do ...
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WO/1984/003054A1 |
A polymeric porous membrane having a matrix made from a thermoplastic polyamide or from a thermoplastic polyamide/polyimide copolymer which has both relatively non-crystalline and relatively crystalline portions. The pores in the membran...
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WO/1984/000376A1 |
Epoxy curing agents, a method of making them and a process of using them in curing epoxy resins. Monomers of (a) urea-formaldehyde, (b) phenol-modified urea-formaldehyde or (c) thiourea-formaldehyde form the center of the curing agent wh...
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WO/1983/004037A1 |
A cross-linked urea-formaldehyde polymer matrix is formed by catalyzing, using a buffered acid as the catalyst, an aqueous mixture of a urea-formaldehyde concentrate, urea-formaldehyde resin, and powdered urea. The resulting thermoset po...
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WO/1982/002717A1 |
Melamine-formaldehyde modified resins are prepared with a molar ratio of melamine: formaldehyde = 1 : (1.25 to 0.7), by heating the melamine solution, respectively aqueous suspension with the formaldehyde in a molar ratio of melamine: fo...
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WO/1981/003332A1 |
Cellulose-containing plants are broken down by mixing with an alkali metal hydroxide then heated to 150 to 220 C while agitating for 5 to 60 minutes thereby producing a broken down alkali metal cellulose-containing plant polymer then mix...
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WO/1981/003176A1 |
Small particles of cellulose-containing plants are mixed with an alkali metal hydroxide, such as lye flakes, in the ratio of about 2 parts by weight of the plant to 1 to 3 parts by weight of the alkali metal hydroxide, then heated to 150...
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WO/1981/003025A1 |
A process for the preparation of neutralized, urea aldehyde polymeric dispersions by acid catalyzed reaction of urea and formaldehyde plus a higher aldehyde, having from two to four carbon atoms, wherein the mole ratio of formaldehyde to...
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WO/1981/002423A1 |
The reaction products of primary or secondary amines or of polyamines with cyanamide, dicyanamide, guanidine or one of their derivatives or of ammonia with cyanamide or dicyanamide (A) are brought in presence of N-methylo compounds of ur...
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WO/1980/002655A1 |
The use of a fully-hydrolyzed polyvinyl alcohol modified melamine-formaldehyde resin coating for the print sheet in a decorative laminate eliminates the necessity for an overlay sheet without thereby imparting any deleterious effects to ...
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WO/1980/002689A1 |
A process for preparing polymethylenepolyphenyl carbamate, which comprises reacting a specific N-phenyl-carbamate with formaldehyde or a formaldehyde-producing material in the presence of trifluoroboron or the complex salt thereof at a h...
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WO/1980/001384A1 |
An improved ostomy seal is provided by a crosslinked composition comprising a water-soluble acrylamide polymer, a plasticizing quantity of a water-miscible polyol (containing water) that provides an elastomeric gel, and a crosslinking po...
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WO/1980/000254A1 |
A method of obtaining a urea-phenol-formaldehyde binding agent for mould materials whereby urea and formaldehyde taken at a mole ratio of 1:(1.9-2.1) are heated at a pH of 6.5-8.0 up to a temperature of 80-100 C and kept at that temperat...
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WO/1979/000975A1 |
Process for treating crude and waste waters. This process effected by means of a cationic aminoplast resin is characterized in that a quaternized aminoplast resin is used as a cationic aminoplast resin, in which the aldehyde is a glyoxal...
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WO/1979/000977A1 |
A method for the manufacture of an adhesive product suitable for use in the manufacture of wood particle board and other wood products which adhesive product includes a large proportion of the spent liquor from the sulfite pulping of lig...
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JP7449074B2 |
To provide a polyimine and a polyimine imide that can be easily produced with high molecular weights and exhibits solvent solubility even with high molecular weights, a varnish including the same, a film and a method for producing the sa...
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JP7440628B2 |
Method for manufacturing optically transparent gel-polymer electrolytes involves reaction of copolymerization of melamine and formaldehyde or melamine and glyoxal with one or several polyols and/or with one or several monosaccharides, ol...
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JP7426235B2 |
In a method for preparing glyoxylated polyacrylamide, in which an aqueous solution of polyacrylamide is supplemented with ethanedial (glyoxal) under stirring by means of a circulation pump, the reaction is started by the addition of a ba...
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JP7415311B2 |
A film forming material for lithography comprising a maleimide resin represented by the following formula (1A)
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JP7394575B2 |
To provide a covalent organic structure composition that can improve the specific surface by sintering and a sintered body thereof, and methods for producing them.A method for producing a covalent organic structure composition has a synt...
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JP2023547125A |
A polymer formed by the condensation of a bis(hydroxycarbyl)-aminophenol compound and an aldehyde is disclosed. The condensation polymer includes one or more repeating units having bis(hydroxycarbyl)amino functionality. The hydroxyl grou...
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JP2023547126A |
A polymer formed by the condensation of a bis(hydroxycarbyl)-aminophenol compound and an aldehyde is disclosed. The condensation polymer includes one or more repeating units having bis(hydroxycarbyl)amino functionality. The polymers are ...
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JP7368191B2 |
To provide a composition that can form a film or the like having excellent chemical resistance even when an imino group-containing polymer is soluble in a solvent such as toluene, a cured product thereof, and a varnish including the comp...
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JP2023543151A |
A composition for use in manufacturing an in-mold electronic (IME) component, the composition comprising a binder comprising a crosslinking agent comprising melamine formaldehyde, a thermoplastic resin comprising hydroxyl groups, and a s...
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JP7349887B2 |
Provided in the present invention is a hard-mask forming composition for forming a hard-mask to be used in lithography, which comprises a resin (P1) having a structural unit (u11) represented by general formula (u11-1) and a resin (P2) i...
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JP2023126278A |
To provide a hard-mask forming composition having higher etching resistance and excellent in solvent resistance and heat resistance, a method for manufacturing an electronic component using the hard-mask forming composition, and a materi...
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JP7336532B2 |
A method for preparing a semi-rigid melamine foam plastic, comprising Step (1): adding a formaldehyde solution and polyvinyl alcohol (PVA) to a reactor, heating the reactor, and adding alkali; Step (2): feeding solid melamine powder and ...
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JP7324444B2 |
To provide a novel organic porous body which has a skeleton composed of a melamine resin as a base material, and has macropores.A production method of an organic porous body includes: a step (I) to form a wet gel configured with a skelet...
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JP2023110708A |
To provide a melamine resin foam which is fine because a cell area and a cell lattice width of the foam is small, has high hardness and rich flexibility because of excellent breaking strength and breaking elongation, has smooth tactile b...
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JP2023527105A |
The present invention relates to covalent organic frameworks and Na-ion battery electrodes derived from covalent organic frameworks. The present invention further provides a method for tuning the electronic energy levels of covalent orga...
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JP2023082693A |
To provide a novel functional material.A functional material comprises a polyfunctional aldehyde compound of a nonreducing oligosaccharide but substantially comprising no volatile aldehyde compounds. Preferably, the functional material c...
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JP2023062060A |
A resist that is insoluble in a photoresist solution and capable of forming a resist underlayer film with high etching selectivity, and that contains a polymer having good solubility in a solvent in a resist underlayer film-forming compo...
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JP2023051942A |
To provide a method of reducing a step (Iso-dense bias)(reverse step) of a resist underlay film of a portion that has the step and a portion that does not have the step by 5 nm or more, in a formed resist underlay film, containing a step...
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JP7250105B2 |
A hardmask composition and a method of forming patterns using the hardmask composition, the composition including a polymer including a moiety derived from a compound represented by Chemical Formula 1; and a solvent:
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JP2023511214A |
The present invention is a method for producing an asphalt mixture composition, comprising the steps of (1) preparing an asphalt composition and heating the composition to a temperature in the range of 150 to 175°C; (3) providing one or...
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JP7208592B2 |
(in Formula (1), A is a bivalence group derived from a C6-40 aromatic compound; b1 is a C1-16 alkyl group; and b2 is a hydrogen atom or a C1-9 alkyl group). A is the bivalent group derived from an aromatic compound comprising an amino gr...
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JP7206197B2 |
The present invention relates to a process for preparing liquid compositions of etherified melamine formaldehyde resins, namely melamine formaldehyde resins etherified with a primary C1-C6-alkanol, which have low formaldehyde contents. T...
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JP2023002957A |
To provide a polyether polyol that can give a hard polyurethane foam having excellent flame retardancy.A polyether polyol is an alkylene oxide adduct of a resol type phenol resin. In the resol type phenol resin, the number of methylol gr...
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JP2022176101A |
To provide a composition that yields a cured product excellent in heat resistance and solvent resistance.Provided is a polymer that contains a structural unit represented by the following general formula (I). In the formula, A represents...
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JP7140307B1 |
The present invention provides a maleimide resin and a maleimide compound characterized by being a maleimidated product of a polyamine compound (C) which is a reaction product of a plurality of types of aromatic monoamine compounds (A) a...
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JP7131558B2 |
Provided is a method for producing a novolac polymer that polymerizes an aromatic amine compound and an aldehyde compound in an organic solvent in the presence of a catalyst while removing by-product water.
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JP7099466B2 |
Provided is a method for purifying a sulfo group-containing hyperbranched polymer characterized by including a reprecipitation step that introduces a sulfuric acid solution of a sulfo group-containing hyperbranched polymer into water to ...
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JP2022087935A |
To provide an amine-based curing agent using for polyurethane resin production excellent in performance balance.A curing agent for polyurethane resin production contains a composition including: an amine compound synthesized from bromoan...
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JP7083368B2 |
A binder comprising the products of a carbohydrate reactant and polyamine is disclosed. The binder is useful for consolidating loosely assembled matter, such as fibers. Uncured fibrous products comprising fibers in contact with a carbohy...
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