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6432254 Wood composite prepared with a B-stageable resin  
A method for making a consolidated wood product comprising coating wood components with a B-stageable, phenol-formaldehyde resole resin; heating the coated wood components to about 80 to 140° C....
6307009 High catalyst phenolic resin binder system  
An aqueous binder composition suitable for use as a binder in making wool and board products including fiberglass insulation comprising a phenolic resole resin binder made from phenol and...
6291600 Method of preventing scale adhesion to the surfaces of a polymerization tank  
In a novel method of homo- or copolymerization of vinyl chloride, a specified coating agent is applied on the surfaces of the portions which will become into contact with the vinyl chloride monomer...
6245882 Method for the preparation of polymers  
Method for the manufacture of a phenolic resin emulsion and/or dispersion, wherein an aldehyde, a phenolic compound and an alkaline catalyst are allowed to react at a temperature of 40-100° C....
6232427 Esterification method  
Methods of making halogenated aromatic esters are described. Polymer compositions including halogenated aromatic esters are also described. In one embodiment, the method includes contacting a...
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...
6046252 Curatives for phenolic novolacs  
A binder composition of a phenolic novolac resin and a (lower) alkoxylated triazine-formaldehyde resin curing agent is disclosed. The triazine resins have sufficient carbon atoms in the alkoxy...
5847058 Alkylresorcinol modified phenol-aldehyde resol resin and binder system, and method of making same  
A process for the production of a storage-stable, modified phenol-aldehyde resol resin includes the use of an alkylresorcinol modifier and preferably a readily-available mixture of...
5756599 Binder resin, binder system, cellulosic composite articles, and method of making the same  
A process for producing a phenol-aldehyde (e.g., cresol-aldehyde) resin that is modified with a dihydroxybenzene compound. The resin may form a binder system when combined with a curing agent which...
5684115 (Co)polycarbonate composition containing boric acid and a basic catalyst  
A processes for producing a (co)polycarbonate having a low terminal hydroxyl group concentration and being excellent in heat resistance and hue, which comprises melt-polycondensing a dihydroxy...
5681916 Process for producing urea-modified, highly reactive phenolic resins useful as bonding agents for center-layer particles in the manufacture of particleboard  
Urea-modified, highly reactive phenolic resins useful as center-layer bonding agents in the manufacture of particleboard are provided by condensing phenol and formaldehyde until shortly before...
5637658 Modified phenol-aldehyde resin and binder system  
A process for the production of a modified phenol-aldehyde resin which may form a binder system when combined with a curing agent which includes an additional source of an aldehyde, e.g., a...
5629083 Method of manufacturing cellulosic composite and product thereof  
A process for the production of modified phenol-aldehyde resins includes the use of a modifier selected from melamine, urea, and other suitable nonvolatile organic compounds. The phenolic component...
5623032 Low-volatile and strongly basic tertiary amino alcohols as catalyst for the manufacture of improved phenolic resins  
A process for preparing ashless and low-ash phenolic resole resins having no amine odor, and a process for preparing storage-stable mixtures or premix solutions of phenol-formaldehyde resin and...
5451657 Phenolic resol plywood resin, manufacture and use  
An aqueous phenol-formaldehyde resin solution with formaldehyde-phenol mol ratio in the range of 1.8 to 2.8, polymerization catalyst of 3% to 9% by weight, measured as NaOH equivalent, with less...
5359024 Process for the preparation of a phenol-formaldehyde resin  
The invention relates to a process for the preparation of a phenol-formaldehyde resin by causing phenol and formaldehyde to condense under the influence of a basic catalyst, the catalyst being an...
5260406 Phenolic stain-resists using mercaptocarboxylic acid  
A stain-resist agent for polyamide fibers, its preparation and use are disclosed. The stain-resist agent is the condensation product of bis-hydroxyphenylsulfone with 0.5 to 1.0 mole of...
5254664 Curing composition  
A reaction of the compound (A) having at least two 2-oxazoline groups with the compound (B) having at least two functional groups of one or a plural kind selected from the group consisting of an...
5182357 Storage stable 100% solids high ortho phenol formaldehyde hot melt adhesives  
One hundred percent thermosetting phenol/formaldehyde (P/F) resin and method of preparation thereof are disclosed. The resin comprises a molar ratio of F/P of about 1.2-1.7, has a softening point...
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,...
5071940 Curing agent mixture for curing alkaline phenol/formaldehyde resins  
A curing agent mixture for curing alkaline phenol/formaldehyde resins contains A) a pulverulent or fibrous filler and B) a carbonic ester.
5057591 Foamability of phenolic resins  
The invention is a solution of highly advanced phenolic resin with improved inherent foamability that is made from the reaction of phenol, aldehyde, water and alkali the improved foamability being...
5043412 Ambient temperature curing, high carbon contributing compositions  
A raw batch composition for use in making a shaped article such as a foundry shape or refractory article is disclosed. The composition comprises a mixture of an aggregate material; a phenol...
4857207 Process for reducing the phenol content in phenol-containing waters  
A process for the purification of phenol-containing waters, in particular waste waters from phenolic resin production, where the term "phenol" is taken to mean all steam-volatile benzene...
4848443 Preparation of foundry molds or cores  
Foundry molds and cores are prepared by using as a binder a phenolic resin in solution in aqueous sodium hydroxide and using an ester to cure the binder. The ester may be incorporated in the...
4841002 Liquid aromatic bisoxazoline and disoxazine monomer mixtures cured with polyphenolic compounds  
Compositions have melting points below 100° C. which are useful in the formation of resins by reaction with polyphenolic compounds consisting of a mixture of more than two compounds having the...
4839446 Thermosetting bis oxazoline-polyphenol based resins for resin transfer molding which contain a monooxazine or monooxazoline diluent  
A polymerizable thermosetting composition which is a flowable liquid at moderate temperatures which comprises a mixture of: (A) from about 75% to about 95% by weight of a mixture of: (1) from...
4785073 Melamine-phenol-formaldehyde resole modified by glycols moulding composition  
A series of melamine-phenol-formaldehyde resoles for pressure-free to low pressure, low/medium temperture conversion into moulded product. The molar ratio of melamine:phenol is the range 1:4.7 to...
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,...
4661412 Melamine-modified phenolic type resin for continuous lamination  
A fast-curing, melamine-modified phenolic laminating resin is described comprising the co-condensation product of aldehyde, phenol and melamine in a water-soluble organic solvent. The modified...
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.,...
4613662 Process for catalytic preparation of poly(ether-amide) polymeric composition from oxazoline and polyphenol  
A process comprising copolymerizing an oxazoline with a bis-or poly-phenolic compound in the presence of a catalyst which is a cationic complex of an alkali or an alkaline earth metal at a...
4612254 Aromatic carboxylic acid and metal-modified phenolic resins and methods of preparation  
Novel metal-modified phenolic resins useful in the color developer part of a carbonless copy paper system are disclosed, as well as methods for preparing such resins. The metal-modified phenolic...
4608408 Phenol-HCHO-resorcinol resins for use in forming fast curing wood laminating adhesives  
A phenol-resorcinol-formaldehyde resin and a method for making the same. In this method phenol and formaldehyde at an initial pH of 8.5 to 9.2 are reacted in the presence of a sodium sulfite...
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...
4431783 Vinyl chloride polymerization in reactor coated with build-up suppressant product  
Polymerization of vinyl chloride in aqueous suspension using a polymerization reactor having adherently deposited on internal surfaces thereof a build-up suppressant coating comprising a product of...
4420571 Phenolic friction particles  
Compositions useful as friction particles comprised of tri- and/or tetrafunctional phenol, difunctional phenol, aldehyde, a protective colloid, and a reaction promoting compound. The friction...
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...
4395535 Process for the manufacture of phenol-isobutyraldehyde condensation products  
A process for the manufacture of condensation products of phenols and isobutyraldehyde by reacting the phenols and isobutyraldehyde at elevated temperature in a mole ratio of 0.5:1 to 1.5:1 in the...
4381369 Drilling fluid containing a fluid loss control agent of a sulfonated phenol-formaldehyde-phenol resin  
A water-base well drilling, workover or completion fluid containing a fluid loss control agent prepared by pre-reacting sulfonated phenol with formaldehyde under alkaline conditions and then...
4378453 Adhesive for polyester fibrous material  
An adhesive consisting comprising an alkoxyphenol derivative/resorcin derivative/formaldehyde cocondensate has a high adhesive strength and can bond firmly polyester fibrous material with rubber.
4373062 Phenol-resorcinol-formaldehyde resin  
Phenol-formaldehyde and phenol-resorcinol-formaldehyde resinous aqueous syrups useful as thermosetting binders or adhesives are prepared by reacting, a phenol-formaldehyde resin composition firstly...
4366303 Particulate resoles with improved cure rate and sinter resistance  
Particulate resoles are produced by mixing phenol, formaldehyde and amine in an aqueous medium containing a protective colloid. The resoles exhibit improved cure rate and sinter resistance when an...
4362853 Resinous salts, their preparation, and their use in coatings  
Carboxylate salts, prepared by a Mannich reaction and useful in the preparation of water-borne coatings, have the general formula ##STR1## where R 1 represents an aliphatic, aromatic, or...
4350800 Process for the preparation of synthetic resins based on resorcinol compounds  
A process for the preparation of synthetic resins based on resorcinol compounds which comprises reacting a resorcinol pitch which is obtained in the manufacture of resorcinol from benzenedisulfonic...
4269949 Phenol formaldehyde resin for hardboard applications  
A finished resin comprising a highly condensed phenol formaldehyde resole resin which has green groups formed by a low condensation phenol formaldehyde resin, the finished resin being modified by...
4268657 Friction element containing phenol-formaldehyde-alkylphenol binder  
Improved friction elements suited for use for example in an automotive or similar brake or in a clutch are provided by employing therein as a binder the reaction product of phenol, formaldehyde,...
4264671 Phenol formaldehyde resoles and laminates  
Low-color or white, dilutable condensation products of formaldehyde and phenol in molar ratios of 1.9-5.0:1, characterized by carbon-13 nuclear magnetic resonance spectra as having at least about...
4260730 Preparation of bisphenol-formaldehyde ethers using nitric acid  
A bisphenol is reacted with formaldehyde in solution in alcohol in the presence of an alkali metal hydroxide, preferably at a pH of from 7-10, to provide a polymethylol derivative. Nitric acid is...
4259473 Process for making self-curing or curable materials from coal hydrogenation distillate residues  
Self-curing or curable materials are obtained from the distillation residues of coal hydrogenation by condensing a residue of this type having a softening point of 30° to 54° C. in a first stage...
Matches 1 - 50 out of 149 1 2 3 >