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7214758 Rubber adhesive composition for textile materials  
This invention relates to an adhesive composition comprising: an elastomeric latex; a phenol, an aldehyde and an alkylated melamine-formaldehyde resin suitable for use in the adhesion of textile...
6723801 Polyphenol resin, process for its production, epoxy resin composition and its use  
An object of the present invention is to provide an epoxy resin composition which has high flexibility, can be molded to a thin membrane, and can become a noninflammable cured product. The present...
6608161 Process for producing phenol-dicarbonyl condensates with increased fluorescence, epoxy resins, epoxy resin systems and laminates made with the same  
The present invention provides a process for producing phenol-dicarbonyl condensates high in fluorescence by reacting a phenolic compound with a 1,2-dicarbonyl compound in the presence of a...
6410776 Method for producing resols  
The invention relates to a process for the preparation of resols by reacting phenolic compounds with aldehydes with catalysis by metal salts whose cation can easily be precipitated as...
6165675 Isolation of novolak resin by low temperature sub surface forced steam distillation  
A water insoluble, aqueous alkali soluble novolak resin, process for producing such a novolak resin, a photoresist containing such a novolak resin, and a method for producing a semiconductor...
6045966 Fractionated novolak resin and photoresist composition therefrom  
The present invention provides a method for producing a film forming, fractionated novolak resin having consistent molecular weight and superior performance in photoresist composition, by isolating...
6001949 Novolak type phenolic resins and methods of manufacturing thereof  
One of the objects of the present invention is to offer novolak type phenolic resins which use phenols and aldehydes as raw materials and give narrow molecular weight distributions. The novolak...
5986035 High-molecular weight high-ortho novolak type phenolic resin  
Provided is a high-molecular weight high-ortho novolak type phenolic resin excellent in handleability, heat resistance characteristics, curability and electric characteristics suitable for various...
5976761 Fractionation of phenol formaldehyde condensate and photoresist compositions produced therefrom  
A process for producing a water insoluble, aqueous alkali soluble, film forming novolak resin having low metal ions, made by the fractionation of a phenol formaldehyde condensation product, a...
5952425 Preferred structure of phenolic resin curative for thermoplastic vulcanizate  
Phenolic resin curatives having a majority of dibenzyl ether linkages were unexpectedly found to be very effective in curing unsaturated rubbers in a blend of a crystalline polyolefin and said...
5932389 Controlled alternating and block copolymer resins  
This invention relates to alternating and block copolymer resins of uniform and controlled chain length and methods for preparing the same. The alternating copolymer resins are formed from the...
5916966 Stabilized phenolic resin melamine dispersions and methods of making same  
Disclosed is a stabilized phenolic resin melamine dispersion comprising a liquid alkaline resole resin composition and solid melamine crystal dispersed throughout the resin composition. The liquid...
5708121 Storage stable melamine-modified phenolic resole resins using an alkaline condensation and polyhydroxyl compound stabilization  
This invention relates to an emulsifiable melamine-modified phenolic resole resin composition useful as a binder for glass fibers. The invention is more particularly directed to the process of...
5571886 Aromatic novolak resins  
An essentially aromatic alkali soluble novolak resin comprising the product resulting from the acid condensation of an aromatic aldehyde and a phenol where the resin has a molecular weight in...
5543487 Hydroxymethylated resorcinol coupling agent and method for bonding wood  
A hydroxymethylated resorcinol coupling agent is provided, including a hydroxymethylated resorcinol as an active ingredient, which enables commercial thermosetting adhesives such as bisphenol-A...
5505998 Acidic glass fiber binding composition, method of use and curable glass fiber compositions  
Described is an acidic glass fiber binding composition comprising an aqueous soluble phenol formaldehyde resin having low free formaldehyde, an effective amount of a formaldehyde scavenger, and an...
5412058 Novolaks of the phenol-dense aldehyde type  
New formaldehyde-phenol resins of the novolak type comprising aliphatic aldehyde radicals with 6 or more carbon atoms and with the molar ratio between these heavy aldehyde radicals and the phenolic...
5378791 Phenolic resins  
This invention relates to a process for producing low molecular weight phenol-aldehyde resin which has predominantly 4 phenolic units in a chain and in which the phenolic ring has a substituent R...
5372879 Biaxially oriented polyester film  
The present invention provides a biaxially oriented polyester film made of a polyester containing 0.01 to 5% by weight of crosslinked polymer particles characterized by: (1) having a particle...
5367040 Precure resistant thermoset resin for molded wood composites  
A process for the production of modified phenol-formaldehyde resins includes the use of a difunctional phenolic compound as the phenolic component of the resins. The inventive resins resist...
5350827 Selected structurally defined novolak binder resins and their use in radiation-sensitive compositions  
A novolak resin composition comprising at least one unit of the reaction product of a para-, para-bonded bisphenol having formula (A): ##STR1## wherein R 1 =hydrogen, lower alkyl group having 1-4...
5344909 Latent catalyzed phenolic resole resin composition  
A latent catalyzed phenolic resin composition is provided containing a thermosetting phenolic resole resin and a latent catalyst consisting essentially of a primary or secondary amine salt of a...
5319063 Phenolic resin and method for preparing same  
A phenolic resin can be obtained by a condensation reaction between a specific trifunctional aromatic compound and a phenolic compound. This resin can be reacted with a curing agent such as a...
5296584 Resole melamine dispersions as adhesives  
The invention relates to a composition consisting of a melamine solid suspended or dispersed in a resole resin. The method of the invention favors the intermolecular condensation polymerization...
5216111 Aromatic novolak resins and blends  
An essentially aromatic alkali soluble novolak resin comprising the product resulting from the acid condensation of an aromatic aldehyde and a phenol where the resin has a molecular weight in...
5151496 Substituted phenol-formaldehyde novolac resins containing reduced quantities of 2-functional components and epoxy novolac resins prepared therefrom  
The 2-functional component of substituted phenol-aldehyde novolac resins is reduced. Epoxy novolac resins prepared from the novolac resin containing reduced quantities of 2-functional product...
5089589 Process for the preparation of novolaks and their use  
The preparation of novolaks from phenols or mixtures of different phenols, and oxo compounds or mixtures of oxo compounds by condensation of the reactants in a medium having a low water content in...
5079314 Curable compositions containing epoxidized phenolformaldehyde resins containing reduced quantities of 2-functional components  
Phenol-aldehyde novolac resins having reduced quantities of 2-functional material are prepared by removing all or part of the 2-functional material from this product resulting from reacting phenol...
5074946 Wood bending methods employing fast curing phenolic resins  
It has now been found that when there is a partial or complete replacement of the sodium hydroxide that is used to make a sodium phenolate resole resin by a molar equivalent of potassium hydroxide,...
5073622 Process for the preparation of novolak resins with low metal ion content  
The invention relates to a process for the preparation of novolak resins having a low amount of metal ions. In the process, a conventional resin in an organic solution is brought into contact with...
5053479 Thermally stable phenolic resin compositions and their use in light-sensitive compositions  
A phenolic novolak resin comprising the product of a condensation reaction of an aldehyde comprising a haloacetaldehyde source or a mixture of a haloacetaldehyde source and a formaldehyde source...
5023311 High-molecular-weight soluble novolak resin and process for preparation thereof  
Disclosed is a novel, organic solvent-soluble novolak resin having a high molecular weight and an inherent viscosity of at least 0.1. This high-molecular-weight novolak resin can be prepared with a...
4839445 Spherical particles of thermosetting phenolic resin and process for producing the same  
The present invention relates to a process for producing spherical thermosetting phenolic resin particles having a size of no larger than about 1,000 microns, and the spherical thermosetting...
4758478 Fast curing phenolic resins and bonding methods employing same  
It has now been found that when there is a partial or complete replacement of the sodium hydroxide that is used to make a sodium phenolate resole resin by a molar equivalent of potassium hydroxide,...
4656239 Process for the preparation of phenol formaldehyde resole resins  
The process described herein involves the gradual addition of aqueous formaldehyde, containing 35-60 percent by weight of formaldehyde, to a phenol maintained at a temperature of 60°-100° C.,...
4649188 Method for reducing 2-functional components in novolac resins and epoxy novolac resins prepared therefrom  
The 2-functional content of phenol-aldehyde novolac resins is reduced by water extraction. Epoxy novolac resins prepared from the novolac resin containing less 2-functional product exhibit...
4640971 Microspherical particles of resole resins and process for producing the same  
A resole resin in the form of microspherical particles whose surfaces are partly or entirely covered with a coating of a substantially water-insoluble inorganic salt and which are not larger than...
4639496 Method for the manufacture of a polymer reacted with FeCl.sub.3  
Method for the manufacture of a polymer with triaromatic methane units as basic building blocks, the electric conductivity of which is obtained through the formation of charge transfer complexes....
4585837 Resoles containing zirconium metal atoms  
There are disclosed thermosetting resoles containing chemically bonded boron, tungsten and/or zirconium atoms. The metal containing resoles of this invention are useful, for example, as...
4578448 High-ortho phenol-formaldehyde resoles containing hemiformal groups  
Disclosed are high-ortho phenol-formaldehyde resoles having stable hemiformal groups. These resoles are of low viscosity, are essentially free of unbound water and volatile organic compounds. They...
4564466 Method for the manufacture of a polymer  
Method for the manufacture of a polymer with triaromatic methane units as basic building blocks, the electric conductivity of which is obtained through the formation of charge transfer complexes....
4542204 Method for particulate production of condensate of aldehyde compound and phenol compound  
A method for a condensate of an aldehyde compound and a phenol compound, said method comprising dispersing a viscous condensate obtained by the reaction of an aldehyde compound with a phenol...
4483788 Electric field responsive fluids  
An electroviscous (EV) fluid composition whose fluid properties are altered in the presence of an electric field comprises water-containing particles of a phenol-formaldehyde polymer dispersed in a...
4468507 Method of limiting rate of heat evolution during acid-catalyzed phenol/polymethylolphenol condensations  
Large-scale preparation of branched novolacs by the acid catalyzed, exothermic condensation of methylol-reactive phenols with polymethylol diphenols is made practical by first carrying out the...
4454298 Granular or powdery phenol-aldehyde resin and process for production thereof  
A granular or powdery resin which is a condensation product of a phenol and an aldehyde and optionally a nitrogen-containing compound having at least two active hydrogens, said granular or powdery...
4433119 Liquid thermosetting compositions containing hemiformals of phenol  
There are described liquid compositions of a hemiformal of phenol and/or a hemiformal of a methylolated phenol with a miscible polymers such as phenol-formaldehyde resoles, phenol-formaldehyde,...
4427800 Phenolic resin for refractory uses  
Refractory shaped articles are prepared by heating refractory mixes comprised of refractory particles and a liquid phenolic resole resin having a methylol group index of about 0.8 or less and a...
4424300 Powdered phenol-formaldehyde resin  
Phenol-formaldehyde resin powder capable of both heat softening and fast-cure is produced by spray drying a blend of resole and novolac prepolymers. The powder, when mixed, heated and pressed with...
4414379 Granular or powdery nitrogen-containing phenol-aldehyde copolymer resin and process for production thereof  
A granular or powdery nitrogen-containing phenol-aldehyde copolymer resin which is a condensation product of a phenol, a nitrogen-containing compound having at least two active hydrogen atoms and...
4414378 Granular or powdery phenol-formaldehyde resin and process for production thereof  
A granular or powdery resin which is a condensation product of a phenol and formaldehyde, said granular or powdery resin being characterized by (A) containing spherical primary particles and...
Matches 1 - 50 out of 158 1 2 3 4 >