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Matches 351 - 400 out of 2,933

Document Document Title
WO2000078835A3
The preparation of a high parity cylic-urea-formadehyde prepolymer (cyclic urea prepolymer) is performed at a temperature of at least 85 DEG C and a pH between 7 and 9, whereby per mole of urea at least 4 mole formaldehyde and 0.5 - 1.2 ...  
WO/2002/077050A1
The invention relates to discrete microcavity particles having a flexible polymer wall structure, a method for the production of said particles and the use of the same as compounding materials for thermoplastic polymers, additives for pa...  
WO/2002/077051A1
The invention relates to a process for preparing a liquid melamine urea formaldehyde resin that has long term stability. The invention also relates to a liquid MUF resin with a high formaldehyde and melamine content. The invention furthe...  
WO/2002/070576A1
A process for producing spherical compound hardened melamine resin particles with excellent water resistance having colloidal silica localized around the surface, whereby the particle diameter can be controlled over a broad range of from...  
WO2002051897A3
The present invention provides a crosslinker for organic coatings having an amino resin core with substituents including more than one olefin functional group, a silicon-containing group, and at least one alkoxyalkyl or alkylol group. Co...  
WO/2002/066455A1
The invention relates to a process for the separation of an aqueous mixture of trioxane and formaldehyde and corresponding applications. The aqueous mixture of trioxane and formaldehyde has a first trioxane:formaldehyde ratio. The proces...  
WO2002048261A3
The invention relates to a method for curing aminoplast resins according to which inorganic particles, which have a laminated structure and which comprise interlamellarly exchangeable cations of the flowing type: alkali cations, alkaline...  
WO2002024799A3
The present invention provides a crosslinking agent having reactive benzoxazine groups that is the ungelled reaction product of (a) at least one mono-hydroxy aromatic compound and (b) at least one aminotriazine compound having one or les...  
WO2002024607A3
Die Erfindung betrifft ein Verfahren zur Herstellung von Methylenharnstoff-Polymeren unter Verwendung von Harnstoff, einem Formaldehydprodukt sowie einer Säure. Der Harnstoff wird zusammen mit dem Formaldehydprodukt in einen Mehrwellen-...  
WO/2002/051898A1
Method for controlling the production of aqueous formaldehyde resin compositions applied in the manufacture of wood-based panels, in which formaldehyde takes part in a reaction with one or a combination of co resin forming material (of t...  
WO/2002/051897A2
The present invention provides a crosslinker for organic coatings having an amino resin core with substituents including more than one olefin functional group, a silicon-containing group, and at least one alkoxyalkyl or alkylol group. Co...  
WO/2002/048261A2
The invention relates to a method for curing aminoplast resins according to which inorganic particles, which have a laminated structure and which comprise interlamellarly exchangeable cations of the flowing type: alkali cations, alkaline...  
WO2002024798A3
A crosslinking agent which is the ungelled reaction product of (a) an aldehyde condensate of glycoluril and (b) a polyol is provided. The crosslinking agent is essentially free of hydroxyl functionality and has a glass transition tempera...  
WO/2002/042366A1
The invention relates to a foam for purifying and filtrating air, particularly filtrating toxic compounds, such as for instance tar and polycyclic aromatic hydrocarbons (PAHs) from tobacco smoke, and to a method to prepare this foam. The...  
WO/2002/040564A1
The invention relates to etherified 2,4-diamino-1,3,5-triazine-aldehyde resins, which in contrast to conventional resins of this type, have softening points higher than 100 °C and which can be processed, without hardening, in the melt a...  
WO2001094436A3
The invention relates to a method for producing elastic foamed materials which are based on a melamine/formaldehyde condensation product. According to the inventive method, a pre-condensate, having a mol ratio of melamine to formaldehyde...  
WO2002016458A3
A controlled release urea-formaldehyde liquid resin a nitrogen level or at least 28wt% and its method of manufacture. The controlled release urea-formaldehyde resin is useful as a fertilizer.  
WO/2002/028934A1
The invention relates to an aqueous resin composition, comprising, in addition to water, a resin content in the range of from 65 to 80 % by weight, based on the aqueous resin composition. The resin is obtainable from melamine and formald...  
WO/2002/026871A1
The invention relates to open-cell, elastic foams consisting of melamine/formaldehyde resins having a drop absorption speed of less than five seconds and a formaldehyde emission in accordance with EU standard EN ISO 14184-1 of less than ...  
WO/2002/026850A1
A thermosetting resin which is obtained by subjecting 5 to 95 wt.% aminoplast resin and 5 to 95 wt.% polyalkylene glycol to condensation reaction under alkaline conditions, adding methanol to the resultant reaction product to incorporate...  
WO/2002/026872A1
The invention relates to hydrophilic, open-cell, elastic foams consisting of melamine/formaldehyde resins. Said foams can be obtained by (a) heating and cross-linking an aqueous solution or dispersion, containing, respectively, at least ...  
WO/2002/026849A1
Polymer networks can be obtained by condensing an aldehyde or a mixture of aldehydes or precursors thereof with a component A containing an amine, optionally in the presence of a solvent S. Said component A contains at least one siloxane...  
WO/2002/024811A1
Two types of aminotriazine-based crosslinking agents are provided. Both crosslinking agents include the ungelled reaction product of (A) a reactive urethane group-containing reaction product and (B) an aminotriazine compound having one o...  
WO/2002/024799A2
The present invention provides a crosslinking agent having reactive benzoxazine groups that is the ungelled reaction product of (a) at least one mono-hydroxy aromatic compound and (b) at least one aminotriazine compound having one or les...  
WO/2002/024607A2
The invention relates to a method for producing methylene urea polymers while using urea, a formaldehyde product and an acid. The urea, together with the formaldehyde product, is introduced into a multi-shaft extruder. The products are m...  
WO/2002/024782A1
A crosslinking agent having reactive benzoxazine groups is provided. The crosslinking agent is the ungelled reaction product of a polyhydric aromatic compound and an aminotriazine compound having one or less non-alkylated NH bond per tri...  
WO2001094002A3
A novel emulsion comprising a material which is stabilised by a polymer resin precursor having interface active molecules incorporated therein by reaction from poorly or non-surface active materials is disclosed. The process for producin...  
WO/2002/024798A2
A crosslinking agent which is the ungelled reaction product of (a) an aldehyde condensate of glycoluril and (b) a polyol is provided. The crosslinking agent is essentially free of hydroxyl functionality and has a glass transition tempera...  
WO2001066614A3
The aim of the invention is to produce polymeric networks. An aldehyde or a mixture of aldehydes or precursors thereof are condensed with a component (A) that contains amines, optionally in the presence of a solvent (S). The component (A...  
WO/2002/016458A2
A controlled release urea-formaldehyde liquid resin a nitrogen level or at least 28wt% and its method of manufacture. The controlled release urea-formaldehyde resin is useful as a fertilizer.  
WO/2002/014399A1
Aqueous-based cross-linkable binder composition comprising (A) an aqueous dispersion of an aldehyde-functional polyurethane having a number average molecular weight of more than 1,000 and an average aldehyde functionality of $m(G) 2, whi...  
WO/2002/012363A1
The invention relates to graft polymers or copolymers of structure type (I), wherein (B¿a?) to (B¿b?) mean identical or different base polymer chains, optionally with free valencies for forming a cross-linked structure; Z¿x? to Z¿z? ...  
WO/2002/012387A1
The invention relates to surface-modified fillers which are characterised in that the fillers are reactive inorganic fillers and the modifier is an amphiphilic aminoplast-ether-polymer or copolymer of the structure type (I), wherein Z me...  
WO2001083885A3
This invention concerns aqueous compositions comprised of sulfonated aminotriazine/aldehyde polymers, e.g., sulfonated melamine/formaldehyde, processes for making these compositions, and methods of using these compositions as drainage ai...  
WO/2002/000429A1
The invention relates to fibre composites with excellent dimensional stability, weather resistance and flameproofing properties. Said composites have a semi-interpenetrating network structure which consists of between 60 and 95 wt.- % fi...  
WO/2001/098388A1
Polymeric networks can be obtained by condensing an aldehyde or a mixture of aldehydes or precursors thereof with a component A containing amines, optionally in the presence of a solvent S. Component A contains at least one polyetheramin...  
WO/2001/096344A1
Novel expanded porphyrins wherein six or more pyrrole rings and Ar-substituted methine groups are alternately linked at the $g(a)-positions of the rings to form a macrocycle; and a process for the preparation thereof (with the provisos t...  
WO/2001/094002A2
A novel emulsion comprising a material which is stabilised by a polymer resin precursor having interface active molecules incorporated therein by reaction from poorly or non-surface active materials is disclosed. The process for producin...  
WO/2001/094436A2
The invention relates to a method for producing elastic foamed materials which are based on a melamine/formaldehyde condensation product. According to the inventive method, a pre-condensate, having a mol ratio of melamine to formaldehyde...  
WO2001049817A3
The invention concerns microcapsule preparations containing microcapsules that have a core made of a hydrophobic material including at least one odorous or scent substance and a capsule envelope, which can be obtained by i) radical polym...  
WO/2001/083885A2
This invention concerns aqueous compositions comprised of sulfonated aminotriazine/aldehyde polymers, e.g., sulfonated melamine/formaldehyde, processes for making these compositions, and methods of using these compositions as drainage ai...  
WO/2001/079349A1
Urea moulding compounds with antiseptic activity, the processes for the preparations thereof and the articles obtained by moulding said compounds.  
WO/2001/066614A2
The aim of the invention is to produce polymeric networks. An aldehyde or a mixture of aldehydes or precursors thereof are condensed with a component (A) that contains amines, optionally in the presence of a solvent (S). The component (A...  
WO/2001/060882A1
Crosslinker compositions consisting essentially of 50 to 95 weight percent monomeric C¿1? to C¿8? alkoxymethyl melamine derivatives containing not more than about 0.20 wt. % of imino (>N-H) groups. Such compositions further comprise 5 ...  
WO/2001/060937A1
Adhesive composition consisting of an aminoplast resin with a free formaldehyde-like compound being present. In particular an adhesive composition consisting of a melamine-urea-formaldehyde resin to which a free formaldehyde-like compoun...  
WO/2001/051197A1
A method is disclosed for the production of a dispersion of microcapsules, by condensation of a partly methylated melamine-formaldehyde resin, with a molecular ratio of melamine:formaldehyde:methanol of from 1:3.0:2.0 to 1:6.0:4.0, in wa...  
WO/2001/049817A2
The invention concerns microcapsule preparations containing microcapsules that have a core made of a hydrophobic material including at least one odorous or scent substance and a capsule envelope, which can be obtained by i) radical polym...  
WO/2001/044333A1
Thermosetting resin obtained by condensing a triazine compound, an aldehyde and an activated olefinic compound, this condensation taking place in the presence of a catalyst that is capable of effecting alkylolation of a double bond and a...  
WO/2001/042326A1
A resin material which has improved rigidity while retaining excellent properties inherent in a polyacetal resin, such as appearance, sliding properties, and thermal stability. The polyacetal copolymer is obtained by copolymerizing (A) 1...  
WO/2001/041718A1
The invention relates to a direct dyeing composition for keratinic fibres, especially human keratinic fibres such as hair, containing at least one direct dye and a thickening polymer with an ether plastic skeleton, in a medium which is s...  

Matches 351 - 400 out of 2,933