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WO/1996/030423A1 |
In the proposed condensation product based on amino-s -triazines with at least two amino groups, formaldehyde and sulphite, the molar ratio of amino-s-triazine, formaldehyde and sulphite is 1 : 2.5 - 6.0 : 1.51 - 2.0 and the formiate con...
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WO/1996/030422A1 |
The invention concerns modified melamine-formaldehyde resins made by condensing formaldehyde, melamine and a modifying agent, the resins containing amines of the formulae: (Ia) NR4R5-R1-X and/or (Ib) NR4R5-R2-Y-R3-X in which R1 and R3 ma...
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WO/1996/023014A1 |
Aqueous aminoplast resins with a solids content of 50 to 75 wt % and a viscosity, related to a solids content of 67 wt %, of 150 to 400 mPa.s (measured at 20 �C and a shear gradient of 500 s-1) containing per mol melamine (component a)...
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WO/1996/020992A1 |
The present invention is directed to lubricating oil and fuel dispersants comprising hydroxy aromatic succinimide Mannich Base condensates of heavy polyamine. A heavy polyamine is a mixture of polyalkylenepolyamines comprising small amou...
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WO/1996/020230A1 |
Modified melamine-formaldehyde resins made of a formaldehyde, melamine and modifier condensate contain a combination of (a) 5 to 25 % by weight, in relation to melamine, of dicyanodiamide; and (b) 8 to 30 % by weight, in relation to mela...
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WO/1996/020229A1 |
Dyed melamine-formaldehyde condensation products are prepared by mixing pigments or dyes with a reaction mixture that contains base compounds for preparing melamine-formaldehyde condensation products. For that purpose (A) a mixture is us...
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WO/1996/017879A1 |
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 C1 to C8 dialkoxyethanal, the reaction product is then mixed, preferably...
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WO/1996/015207A1 |
Melamine resin fibres are used to produce fire protection covers.
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WO/1996/009141A1 |
Film-backed and paper-backed coated abrasives as well as nonwoven abrasives and methods of making the same are described using coatable urea-aldehyde binder precursor compositions including an urea-aldehyde resin and a cocatalyst, which ...
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WO/1996/007698A1 |
A composition is provided for use as an additive to the pulp slurry of cellulose fibers in the papermaking process. The composition contains the reaction product of fatty acid and diamine to which is added a glyoxal compound, wherein the...
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WO/1996/003449A1 |
The invention concerns binders containing: A) an aminotriazine derivative in which the triazine primary amino groups are methylolated on average with at least one mol of formaldehyde per mole of primary amino groups and these methylol gr...
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WO/1996/001862A1 |
The invention is an improved method for the preparation of poly-amine-quinone polymers using external oxidizing agents. The polymer produced has the general chemical formula (I) where each R is independently selected from the group of al...
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WO/1996/001861A1 |
Method and the product thereof, whereby a thermoset or thermoplastic composition is produced by steps of mixing and reacting a partially or fully formylated polydiene with a formyl reactant selected from the group consisting of melamine,...
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WO/1995/035349A1 |
A storage stable, room-temperature curable coating composition for wood finishing is described which is based on a cross-linking system which does not give rise to formaldehyde emission and which comprises, in one or more organic solvent...
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WO/1995/032252A1 |
This invention relates generally to insolubilizers for use with binders in paper coating compositions. There is provided a process for preparing both an insolubilizer and paper coating composition containing the insolubilizer and a binde...
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WO/1995/029221A1 |
The invention concerns the use of polymers which can be produced by reacting (a) polymers containing vinylamine units with (b) compounds comprising aldehyde or keto groups and optionally (c) compounds comprising NH groups and/or OH group...
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WO/1995/023066A1 |
A receiver sheet for diffusion transfer printing comprising a substrate having thereon a dye receiver layer comprising a dye receptive polymer and the reaction product of a first compound having at least two reactive functional groups an...
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WO/1995/022133A1 |
The invention relates to the chemical and wood processing industries and facilitates the production of a carbamide-formaldehyde resin of low toxicity and with the highly developed adhesive and industrially useful properties of a binder, ...
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WO/1995/020000A1 |
Mixtures of: (A) an aqueous condensation product comprising (a) 1 mol melamine and (b) 3 to 11 mol formaldehyde, and (B) a total urea quantity of 0.8 to 13 mol, in which up to 25 % of this total quantity may be contained as component (c)...
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WO/1995/018171A1 |
The present invention relates to a polyester resin for use in a thermosetting coating composition, said polyester comprising an acid component, an alcohol component and a trifunctional branching agent; wherein the acid component consists...
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WO/1995/016744A2 |
The present invention relates to a process comprising reacting an aminated polyolefin with a polyketone polymer. Preferably, the aminated polyolefin has been obtained by reacting a polyolefin containing carboxylic acid groups, e.g. a pol...
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WO/1995/014722A1 |
The essential feature of this invention lies in the fact that in 100 parts by weight of reactive solvent containing water not more than 30 % by weight, being a compound or mixture of compounds of molecular mass not above 500, containing ...
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WO/1995/014677A1 |
Novel carbamyl-methylated aminotriazines and curable compositions comprising these aminotriazines are disclosed. The carbamyl-methylated aminotriazines are substituted with derivatives of monoalkyl ethers and/or monoaryl ethers of alkyle...
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WO/1995/011747A1 |
A process for making solid colored particles by preparing a reaction solution in water comprising formaldehyde, urea, a cyclic polyamine functional triazine compound, and acid. A dye can be incorporated into the reaction solution if a co...
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WO/1995/004092A1 |
An aromatic polyimine oligomer comprising repeating units composed of an aromatic dialdehyde having a phenolic hydroxyl group and an aromatic diamine and having a number-average degree of polymerization of 2 to 20, and a process for prod...
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WO/1994/026797A1 |
A process of producing an aqueous solution of a sulfonated melamine-formaldehyde resin. The process comprises condensing melamine and formaldehyde or a precursor of formaldehyde (e.g. paraformaldehyde) in an aqueous mixture having a pH i...
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WO/1994/019395A1 |
The invention concerns condensation products containing aminalamide structures and which are obtained by condensing (a) carboxylic acid amides, carboxylic acid imides, urea and/or urea derivatives containing NH groups, (b) aldehydes, ald...
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WO/1994/018364A1 |
The invention provides a process for making polyamide fiber with high molecular weight and/or chemical and thermal resistance using conventional single or twin screw extruders. The process includes: melt-blending polyamide polymer compri...
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WO/1994/017047A1 |
A diguanamine represented by general formula (1); a process for producing the same by the reaction of a dicarbonitrile represented by the general formula: NC-R-CN with dicyandiamide in the presence of a basic catalyst; and a thermosettin...
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WO/1994/016026A1 |
Provided are curable water-borne resin compositions having phenolic functional groups which are neutralized with an amine to yield quaternary ammonium salts. The coatings made possible by these compositions exhibit excellent properties a...
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WO/1994/014864A1 |
This invention provides novel aminoplast anchored, hindered phenolic antioxidants which are useful as stabilizers for coatings and polymers such as polyethylene, polypropylene, and the like to extend their useful life. The aminoplast anc...
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WO/1994/006839A1 |
Coatable urea-aldehyde binder precursor compositions including a urea-aldehyde resin and a cocatalyst yield more consistent quality coated abrasives. In addition, the compositions have longer pot life and allow curing at lower temperatur...
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WO/1994/004584A1 |
A method for producing amino resins based on formaldehyde, urea and dialdehyde, which are used as adhesive for cellulose-based products. In the method, formaldehyde, aliphatic dialdehyde and urea are condensed in two of more stages, such...
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WO/1994/004585A1 |
A process for the production of polyacetals by the copolymerisation of glyoxylic acid esters with cyclic formals derived from dioles, homopolymers of formaldehyde, trioxepane or mixture of these compounds, in which up to 50 wt % of this ...
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WO/1993/024582A1 |
Method of gluing wood-based products by means of amino-resin-based adhesives. In the method, the amino resin is cured with a hardener composition containing alkylamine salts selected from a group consisting of the following compounds: NH...
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WO/1993/017065A2 |
In a process for crosslinking a polymer, a beta-dicarbonyl functionality is present as a reactive diluent and/or as a reactive solvent and/or on a crosslinking entity. The beta-difunctional compound reacts with formaldehyde which is eith...
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WO/1993/013150A1 |
Polymerisable resins which comprise a porphyrinogenic ring system obtained by the reaction of: a) one or more compounds selected from the group consisting of pyrrole and N-(lower)alkyl pyrroles, any of which may be optionally substituted...
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WO/1993/010165A1 |
Condensation compounds obtained by means of the polymerization of polyaminic compositions essentially constituted by derivatives of 2,4,6-triamino-1,3,5-triazine, having general formula (I), with aldehydes, preferably formaldehyde.
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WO/1993/004121A1 |
According to the present invention, a $g(b)-dicarbonyl functionality, an $g(a),$g(b)-unsaturation functionality, or a vinylogous amide functionality is incorporated into an aminoplast resin or an aminoplast resin precursor.
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WO/1993/002112A1 |
Process for producing a dispersion, wherein dispersed slightly crosslinked polyvinyl seed particles are swollen with an ionizing liquid, said seed particles containing covalently linked ionizable groups causing a swelling of the seed par...
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WO/1992/017517A1 |
Fluorochemical compositions comprising fluorinated compounds, wherein the fluorinated compound comprises fluorochemical oligomeric portion bonded through -O-, -S-, -NH-, or CO2- to a moiety comprising a group derived from an amino resin....
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WO/1992/003488A1 |
The fluorinated quinoline polymers comprising repeating units of one or more quinoline groups wherein at least a portion of the repeating units include a group selected from hexafluoroisopropylidene (6F) and 1-aryl-2,2,2-trifluoroethylid...
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WO/1992/001730A1 |
Cross-linked controlled density polyamines which are water-insoluble and swell at pH values up to about 8 are shown. These polyamines are useful in site-specific drug delivery systems.
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WO/1992/001477A1 |
A drug delivery system adapted to release an effective amount of a drug at pH values of about 1 to 7 without releasing a significant amount of the drug at pH values of about 7 and above, the system comprising a polymeric material and a d...
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WO/1992/001018A2 |
A curing agent for curing formaldehyde-containing resins comprises (i) an ammonium salt and (ii) a Group II or Group III metal, or zinc or iron, salt and is used for curing resins having a ratio of formaldehyde to comonomer of no more th...
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WO/1991/006597A1 |
Aminoplast resins are cured using a sulfur and nitrogen containing catalyst.
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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 ...
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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...
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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...
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WO/1989/006250A1 |
Aminoplast compositions are cured using a sulfur and phosphorus containing catalyst.
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