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7994270 |
Method for producing thermosetting resin having benzoxazine ring
The present invention provides a method for producing a thermosetting resin having a benzoxazine ring, comprising the step of: reacting a bifunctional phenol compound, a diamine compound, and an...
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7872088 |
Low formaldehyde emission fiberglass
Disclosed are binders including urea-extended phenol-formaldehyde alkaline resole resins to which melamine-containing resin has been added, and non-woven fiber compositions made therewith. The...
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7807748 |
Phenol-formaldehyde resin having low concentration of tetradimer
A phenol-formaldehyde resin, having a low concentration of tetradimer, making the resin suitable for preparing a binder composition for making non-woven fiber products, such as fiberglass...
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7759448 |
Simplified method for production of phenolic resole resin with high molecular weight fraction
Process including steps (a.) through (c.). Step (a.) involves providing a mixture of 41-47 parts by weight phenol component and 54-58 parts by weight formaldehyde. The phenol component in this step...
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7741406 |
Phenol-formaldehyde resin having low concentration of tetradimer
A phenol-formaldehyde resin, having a low concentration of tetradimer, making the resin suitable for preparing a binder composition for making non-woven fiber products, such as fiberglass...
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7718751 |
Syntactic phenolic foam composition
The present invention concerns a pre-mix for a syntactic phenolic foam composition; a syntactic phenolic foam composition; and a process for preparing the syntactic phenolic foam composition. The...
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7718752 |
Process for producing resorcinol-formalin resin
A process for producing a resorcinol-formalin resin containing no salts, having a moderate flowability when transformed into an aqueous solution, and having a reduced content of resorcinol monomer...
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7713315 |
Mineral oils with improved conductivity and cold flowability
The invention provides mineral oil distillates having a water content of less than 150 ppm and a conductivity of at least 50 pS/m, which comprise from 0.1 to 200 ppm of at least one...
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7589164 |
Flexibilized resorcinolic novolak resins and method of making same
A flexibilized resorcinolic novolak resin is prepared by reacting a phenolic compound, such as resorcinol, with an unsaturated dihydroxy, an unsaturated aldehyde, an aliphatic dialdehyde, or a...
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7378484 |
Toughness-increased phenolic resin and preparation thereof
A phenolic resin that increases its toughness by polydimethylsiloxane and a process of preparing the same is provided. Polydimethylsiloxane is added as a coupling agent in a...
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7345136 |
Water-resistant vegetable protein adhesive dispersion compositions
Water-resistant, protein-based adhesive dispersion compositions and methods for preparing them are provided. The adhesive dispersions are prepared by copolymerizing a denatured vegetable protein,...
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7321020 |
Polycondensation products and a process for their preparation
The invention relates to the polycondensation products produced by reaction of bisphenol residues from bisphenol production with an aldehyde in an acidic medium useful for the production of...
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7135539 |
Novolac resins, process for preparing them and uses thereof
The present invention relates to novel novolac resins obtained by coupling at least one aromatic compound (A) comprising at least two hydroxyl groups and at least one aldehyde (B) in the presence...
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7041772 |
Method for producing benzoxazine resin
The present invention discloses a process for producing a benzoxazine resin which comprises the steps of reacting a phenol compound, an aldehyde compound and a primary amine in the presence of an...
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6831146 |
Resin composition for use in manufacturing wet friction materials and wet friction material
A resin composition for wet friction materials contains as a main component a phenolic resin formed as a result of the reaction between phenols and aldehydes in the presence of a basic catalyst,...
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6821530 |
Polymer composite compositions
The invention relates to methods of treating mixtures containing polymeric materials, e.g., collagen, to form a polymer that intercalates into the polymeric material. The treatment provides greater...
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6806343 |
Method of preparing a stable, low pH phenolic resin
A phenol-formaldehyde resole resin for use as a binder for glass fibers is acidified to a pH of 3 or less after base-catalyzed resinification. An increase in actual solids is observed compared with...
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6770107 |
Abrasive-filled thermoset composition and its preparation, and abrasive-filled articles and their preparation
A curable resin composition comprises a poly(arylene ether), an acryloyl monomer, an allylic monomer, and an abrasive filler. The composition tolerates high filler contents, cures rapidly, and...
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6749765 |
Aperture fill
Disclosed are compositions and methods for providing substantially planarized surfaces in the manufacture of electronic devices. Also disclosed are compositions and methods for protecting apertures...
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6730770 |
Method of preparing a higher solids phenolic resin
A phenol-formaldehyde resole resin for use as a binder for glass fibers is acidified with sulfamic acid to a pH of 3 or less after base-catalyzed resinification. An increase in actual solids...
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6713591 |
Aromatic oligomer and use thereof
This invention relates to an aromatic oligomer represented by the following formula (1): (A—F)n—A (1) wherein A is a unit comprising (a) 30-90 wt % of a bicyclic or tricyclic aromatic compound and...
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6706845 |
Low formaldehyde emission phenol-formaldehyde resin and method for manufacture thereof
Phenol formaldehyde resins that have low free formaldehyde when produced, that maintain their low free formaldehyde levels during storage, and that demonstrate low levels of formaldehyde emissions...
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6699958 |
Colorless phenol-formaldehyde resins that cure colorless
The present invention is directed to compositions and a process leading to colorless or light colored aqueous phicinol-formaldelhyde resoles. Unlike previous technologies, these compositions lead...
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6646094 |
Low emission formaldehyde resin and binder for mineral fiber insulation
A phenol-formaldehyde resole resin is prepared using a high level of catalyst at a polymerization temperature of about 63° C. The endpoint, measured by salt water tolerance, is selected so that ...
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6642345 |
Novolak aralkyl resin, preparation process thereof and composition containing said resin
Preparation process for a novolak aralkyl resin having excellent heat resistance and curing property by reacting 0.4 to 0.8 mol of an aralkyl compound based on one mol of the low molecular weight...
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6620901 |
High carbon yield phenolic resole
A high-carbon-yield resole by reacting formaldehyde and excess phenol to an endpoint and then cross-linking with HMTA. Similar high-carbon-yield resoles result with addition of DBE-2, furfuryl...
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6608162 |
Spray-dried phenol formaldehyde resins
The invention relates to formulations and methods of manufacturing spray-dried phenol-formaldehyde resin that contain highly reactive phenolic compounds that include resorcinol, alkyl resorcinols,...
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6541576 |
Composition and method for curing a resorcinol resin
A catalyst curing system or hardener for resorcinolic resins, such as resorcinol-formaldehyde or phenol-resorcinol-formaldehyde resins including methylolurea. The methylolurea may be used in...
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6482946 |
High char yield benzoxazine compositions
A high char yield polybenzoxazine is formed by mixing (i) a benzoxazine compound, (ii) a furan compound, (iii) a benzoxazine-furan compound or combinations thereof, wherein the mixture has a...
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6441122 |
Melamine in urea-extended phenol/formaldehyde fiberglass binders
Urea-extended phenol/formaldehyde alkaline resole binders suitable for fiberglass and having a high binding efficiency are disclosed. These binders are prepared by adding a minor quantity of...
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6372878 |
Resols, process for their production and use
Resols modified with organic phosphonic acids and/or phosphinic acids or their alkali and/or alkaline-earth metal salts obtained by reacting phenolic compounds and aldehyde in an alkaline medium in...
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6326453 |
Process for producing phenol resin
A novolak-type phenol resin with less unreacted phenol and a narrow molecular weight distribution is produced in high yield by reaction of a phenol with an aldehyde using an organophosphonic acid...
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6320013 |
Process for producing modified phenolic resin
A process for producing a modified phenolic resin, comprising heating a heavy oil or pitch of given average molecular weight and, per mol, calculated from the average molecular weight, of the heavy...
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6214964 |
Phenol formaldehyde resins
A process for forming a phenol formaldehyde resin, the process comprising the steps of: (i) reacting phenol with an excess of a formaldehyde material in the presence of an acid or base catalyst...
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6207789 |
Phenolic resin, resin composition, molding material for encapsulation, and electronic component device
The present invention provides a resin containing in the backbone chain a structural unit represented by the following Formula (I) or (II), as a novel phenolic resin having a high Tg, a low...
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6160079 |
Activated arylamine-based polybenzoxazines
Arylamines with electron donating groups such as alkyl and alkoxy groups in the meta position on the aromatic ring change the polymerization temperature of the benzoxazine prepared therefrom and...
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6139804 |
Process for production of polyoxymethylene
A process for producing a polyoxymethylene using a reactor having a discharging port having a weir, which process comprises introducing trioxane or a mixture of trioxane and a compound reactive...
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6100364 |
Water-reducible phenolic binders, methods of preparation and coating systems
A water-reducible binder for coatings comprises the reaction products of a) a phenolic resin comprising the reaction product of bisphenol A, t-butyl phenol and formaldehyde; b) an alkylene...
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6087467 |
Rigid-rod polymers
Rigid-rod and segmented rigid-rod polymers, methods for preparing the polymers and useful articles incorporating the polymers are provided. The polymers incorporate rigid-rod backbones with pendant...
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6015863 |
Polymeric mannich additives
Polymeric Mannich base condensates useful as fuel and lubricant additives. The polymeric Mannich base additives are the reaction products of poly (alpha-olefin/unsaturated acidic reactants) with...
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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 type...
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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...
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5756640 |
Process for preparing benzylic ether phenolic resole resins
This invention relates to a process for preparing benzylic ether phenolic resole resins in a sealed reaction vessel. The benzylic ether phenolic resole resins are prepared by heating phenol and an...
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5747548 |
Compartmented thermoplastic pellets
Apparatus and method for the production of hopper feedable thermoplastic pellets having zones or compartments which contain physically separated reactants which react only after being melt-mixed,...
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5677414 |
Acetal derivatives of resole compounds
Cyclic acetal derivative of a resole includes the reaction product of an ortho resole compound with a carbonyl compound or a carbonyl compound derivative. The cyclic acetal derivatives of phenolic...
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5665517 |
Acidic ion exchange resin as a catalyst to synthesize a novolak resin and photoresist composition therefrom
The present invention provides methods for producing water insoluble, aqueous alkali soluble novolak resins having consistent molecular weight and a very low level of metal ions, utilizing a solid...
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5650478 |
Liquid binding agents
A liquid binding agent comprised of a phenolic resin, thinning agents and a curing agent, characterized in that the phenolic resin is produced by condensation catalyzed under alkaline conditions of...
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5645969 |
Photosensitive composition and photosensitive lithographic printing plate
A photosensitive composition comprising a quinonediazide compound and a binder resin, wherein said resin is a resin obtained by condensing a phenol component comprising the following (1) to (3),...
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5644006 |
High strength thermoset copolymers incorporating modified bisoxazoline monomers.
The present invention provides novel thermoset copolymers, and methods for preparing same, having both the strength and the thermo-oxidative stability required for high performance, high...
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5639396 |
Mannich base polymers
A process for producing an oil soluble interpolymer polymer of 1,2-alkylenediamine such as N-ethyl ethylenediamine, aldehyde-provider such as formaldehyde, and ortho-unsubstituted hydroxyaromatics...
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