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Matches 501 - 550 out of 2,933

Document Document Title
WO/1991/005813A1
Process for the production of a white fine-grained material of urea-formaldehyde resin or a modified urea-formaldehyde resin. The process comprises reacting urea with formaldehyde at a molar ration of urea:formaldehyde between 1:0.4 and ...  
WO/1991/002762A1
Cationic urea formaldehyde resins are obtained by condensation of urea and formaldehyde in a molar ratio of 1:1.5 to 3 in the presence of at least 1 mol% of polymerizates, obtained by polymerization of vinyl amine units, with Fikentscher...  
WO/1990/011308A1
Cationic urea-formaldehyde condensates, which may be obtained by (a) the conversion of urea with alkanol amines in the mol ratio 1 to 6:1 at temperatures of 130 to 180°C with separation of ammonia; (b) the methylolisation of the convers...  
WO/1989/006250A1
Aminoplast compositions are cured using a sulfur and phosphorus containing catalyst.  
WO/1989/005376A1
A sizing agent for paper contains melamine resins of general formula (I). Process for producing the sizing agent, a process for sizing paper, and the use of the compound of general formula (I) for sizing paper.  
WO/1989/000587A1
Urea-formaldehyde resins which may be cured to give products having a low total extractable formaldehyde content are prepared by the following process: i) aqueous 30-50 % formaldehyde and urea are mixed in a formaldehyde:urea molar ratio...  
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...  
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...  
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 ...  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
JPWO2020105696A1
A film forming material for lithography containing a maleimide resin represented by the following formula (1A). [Chemical 1]  
JP2021157184A
To form a resist underlayer film forming composition for improving the filling property to a pattern at the time of firing by enhancing the thermal reflow property of a polymer and forming a coating film having high flatness on a substra...  
JP6934414B2
To provide a binder composition for mold molding capable of reducing aldehyde-derived odor as well as suppressing SOx generation.The binder composition for mold molding contains benzaldehydes containing one or more hydroxy groups, and al...  
JP6923841B2
(in the above general formula (3), R5 represents a C4-C30 organic group having a valence of two to six, R6 represents a divalent C4-C30 organic group, Z represents a sulfonic group, hydroxy group, or carboxy group, r represents an intege...  
JP6916267B2
A polymer, a hardmask composition, and a method of forming patterns, the polymer including structural units obtained by a reaction of a reaction mixture that includes a substituted or unsubstituted indole compound, a first aromatic aldeh...  
JP6899821B2
Provided herein is a process for preparing an aqueous dispersion of microparticles containing a water-insoluble, solid, non-polymeric, organic active or functional material (M) and an aminoplast resin (A) which surrounds or embeds materi...  
JP2021088612A
To provide a microcapsule-containing composition in which microcapsules adhering to fibers have controlled collapse behavior and excellent pressure responsiveness.The microcapsule-containing composition includes microcapsules each having...  
JP6882438B2
A liquid adhesion composition can include at least one polymerizable compound comprising at least two functional groups; a solvent; a catalyst; and a cross-linking agent, wherein the cross-linking agent can have a structure of Formula (1...  
JP6880537B2
A compound or a resin represented by the following formula (1). (in formula (1), each X independently represents an oxygen atom, a sulfur atom, or an uncrosslinked state, each R 1 is independently selected from the group consisting of a ...  
JP2021075667A
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...  
JP2021075604A
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...  
JP2021071660A
To provide a hard mask-forming composition excellent in low outgassing properties and crack resistance, and a method of manufacturing an electronic component using the hard mask-forming composition.The hard mask-forming composition for f...  
JP2021059613A
To provide a molding that is excellent in initial surface glossiness and easily maintains the initial surface glossiness.A melamine cocondensation resin contains a cocondensate of melamine, benzoguanamine and formaldehyde. The ratio of t...  
JP2021055044A
To provide a thermosetting resin composition capable of obtaining a cured film having excellent wear resistance, and a cured film made of the composition.A thermosetting resin composition comprises: (A) a melamine resin at least a part t...  
JP2021031583A
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...  
JP2021020975A
To provide a composition for molding a melamine resin molding having water- and oil-repellency and capable of conveniently removing oil stains on a molding molded from a melamine resin molding composition.In a melamine resin molding comp...  
JP6829114B2
To provide a manufacturing method of a methylenated melamine-formaldehyde initial condensate for expanded body extremely good in storage stability and a manufacturing method of a melamine resin expanded body based on the composition, hav...  
JP6813288B2
The present invention relates to a monomer represented by chemical formula 1, an organic layer composition comprising the monomer, an organic layer prepared from the organic layer composition, and to a method for forming a pattern using ...  
JP2020535260A
At least one halogenation reaction component containing at least two active hydrogen-containing functional groups per molecule and at least one halogenated heteroalkyl or halogenated heteroalkenyl group per molecule, and at least one hal...  
JP6780657B2
The present invention provides a method of producing dye-containing thermosetting resin particles, the method including: dispersing seed particles formed from a thermosetting resin in a dispersion medium; and polymerizing a monomer for t...  
JP6781410B2
wherein A is a divalent group having at least two amino groups, the group is derived from a compound having a condensed ring structure and an aromatic group for substituting a hydrogen atom on the condensed ring, and B1 and B2 are each i...  
JPWO2019054301A1
A reprecipitation treatment step of adding a sulfuric acid solution of a sulfo group-containing highly branched polymer to water to reprecipitate the sulfo group-containing highly branched polymer, and a liquid containing a precipitate o...  
JPWO2019054299A1
Provided is a method for producing a novolak type polymer, in which an aromatic amine compound and an aldehyde compound are polymerized in an organic solvent in the presence of a catalyst while removing water as a by-product.  

Matches 501 - 550 out of 2,933