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7541410 |
Thermosetting resin composition, thermosetting resin molding compound and cured product thereof
A thermosetting resin composition comprising a novolac-type phenolic resin, a polyacetal resin and a cyclohexyl compound represented by the general formula (1) as a curing catalyst, a thermosetting...
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7381788 |
Method for continuous production of polyamide
Provided is a continuous production method of a polyamide with stabilized polymerization degree and good quality, particularly an aromatic-containing polyamide. A continuous production method of a...
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7226765 |
Solvent extraction of polyhydroxyalkanoates from biomass
Processes for the extraction of PHAs from biomass, said processes comprising: combining the biomass containing the PHAs with a single main solvent to form a biomass liquor; heating the biomass...
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6939926 |
Phenol novolak resin, production process thereof, and positive photoresist composition using the same
A phenol novolak resin has a peak intensity ratio of ortho-ortho bond (o-o)/ortho-para bond (o-p)/para-para bond (p-p) in a resin structure not substantially varying in each molecular weight...
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6864354 |
Modified polyamides, polyamide compositions, and method for making same
The invention relates to modified polyamides, and more particularly to polyamides containing units of the type obtained by reacting a diacid with a diamine, modified with a multifunctional...
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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...
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6503638 |
Impregnation of a lignocellulosic material
A composition for impregnation of a lignocellulosic material such as wood or wood particles, comprises a high boiling point tar acid or a pitch derived from coal; a solvent for the tar acid or...
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6372862 |
Phenolic resin-based adhesive composition and process for producing the same
The present invention provides phenolic resin-based adhesives which do not produce waste water and industrial wastes and which have good adhesive force, especially after being exposed to thermal...
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6201095 |
Color improvement of DME-melamine resins
A process is described for preparing a dialkoxyethanal-amine derivative resin low in color by adding low amounts of formaldehyde to the reactants before acidification and heating. The reaction...
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5928836 |
Fractionated novolak resin copolymer and photoresist composition therefrom
The present invention provides a method for producing a film forming, fractionated novolak resin copolymer exhibiting fast photospeed and superior performance in a photoresist composition. A method...
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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...
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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...
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5714544 |
Process for the production of phenolic resin and epoxy resin composition
An aromatic hydrocarbon formaldehyde resin novolak, useful as a raw phenolic compound for producing a curing agent and an epoxy resin, an epoxy resin composition which contains a novolak type epoxy...
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5646219 |
Method of preparing binder system and product thereof
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...
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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...
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5525684 |
Phenolic resin composition
A phenolic resin composition comprises a mixture of 100 parts by weight of a phenol aralkyl resin and 5 to 60 parts by weight of a novolak type phenolic resin having a content of binuclear...
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5492998 |
Cross-linked tertiary-amine polymers
Novel polymers of general formula: ##STR1## wherein R is an alkyl or aryl group that contains an active hydrogen atom (as determined by the Zerewitinoff test); A is a spacing group having at least...
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5374678 |
Adhesive
A wood adhesive composition including an effective amount of a phenol-formaldehyde resin; and a modifying agent which agent renders the composition capable of bonding to a hard wood.
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5371169 |
Novolak resin mixtures
The present invention provides mixture of at least two novolak resins with a molecular weight distribution overlap of at least 50% and having dissolution rates which differ by a factor of at least...
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5371156 |
Modified oriented polyacetal product
There are disclosed a modified oriented polyacetal product, the surface of said product being coated partly or entirely with a phenolic compound-polyacetal composite layer, the application thereof...
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5364703 |
Copper-clad polyetherimide laminates with high peel strength
The present invention is directed to improving the peel strength of copper foil laminated to polyetherimide substrates which optionally are reinforced. The improvement in process comprises coating...
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5256742 |
Preparation of poly(arylene sulfide)s from poly(arylene sulfide disulfide)
A process for preparing a poly(arylene sulfide) and copolymer thereof from a poly(arylene sulfide disulfide) is provided which comprises contacting the poly(arylene sulfide disulfide) with a...
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5254639 |
Binding agents
A binding agent for molded bodies and molding compositions produced by prereacting a mixture of 5 to 60% by weight of lignin or a lignin fraction produced by the Organosolv process and 40 to 95% by...
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5223587 |
Adhesive composition for wood
Disclosed is an adhesive composition for wood comprising a phenol resin adhesive and a phenol resin highly condensed in a mole ratio (F/P) of formaldehyde (F) to a phenol (P) in the range of 0.8:1...
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5202189 |
Fire-resistant reinforced plastic material and articles and methods for their manufacture based on resorcinol novolacs
The specification discloses fire retardant composites which are curable at ambient temperatures and based on resorcinol-formaldehyde resins having specified molar ratios of phenol and aldehyde and...
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5162428 |
Phenolic resin composition
A phenolic resin composition comprising (a) 30-55% by weight of an alkylbenzene-modified novolac type phenolic resin, (b) 30-55% by weight of a novolac type phenolic resin and (c) 15-30% by weight...
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5130410 |
Alternating and block copolymer resins
This invention relates to alternating and block copolymer resins and methods for preparing the same. The alternating copolymer resins are formed from the reaction of a preformed bishydroxymethyl...
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5036116 |
Ester hardeners for phenolic resin binder systems
A hardener composition for alkaline phenolic resole resin binders which comprises a solution of a benzylic ether resole resin in an ester. Binder compositions comprising this hardener with alkaline...
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4987198 |
Thermosetting resin composition for injection molding
There is provided thermosetting resin compositions suitable for injection molding compounds having an apparent curing rate of 0.7 and 0.008 cm/sec respectively at 170° C. and 110° C. by a disk...
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4833215 |
Segmented polymers and a method of producing them
A new segmented polymer comprising alternately cross-linked multiblocks of duroplast type and linear multiblocks of thermoplast type and a method of producing these new segmented polymers. The...
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4832748 |
Coating composition
A coating composition comprising (a) an imine obtained by reaction of an organic silicon compound having an aminoalkyl group and at least one alkoxy group with an organic carbonyl compound, (b) a...
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4500691 |
Phenol-novolaks containing amino groups
Phenol-novolaks containing amino groups of formulas VI and VII ##STR1## wherein R 1 is halogen, nitro, alkyl, alkoxy or phenyl, R 2 is hydrogen, alkyl, cycloalkyl, phenyl or furfuryl, R 3 is...
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4483968 |
Process for the manufacture of a cementitious resin solution
Cementitious resin solutions for chemicals-resistant cements are prepared by dissolving a resin in furfuryl alcohol or preparing a resin solution by acidic condensation with the use of furfuryl...
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4474929 |
Polyglycidyl ethers of branched novolacs
Branched epoxy novolacs having from 5 to 10 (or more) glycidyl ether groups per molecule are prepared by the epoxidation of novolacs made by the reaction of mono- or dihydric phenols with mono- or...
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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...
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4414250 |
Amine containing resin with oxalate esters for casting
Thermosetting resin coatings are provided which cure rapidly and exothermically at ambient temperatures. Accelerated crosslinking is accomplished by the reaction of oxalic acid esters with...
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4412045 |
Color developer for pressure-sensitive copying paper
A color developer for pressure-sensitive copying papers is prepared by mixing a para-substituted difunctional phenol-aldehyde condensate and tri- or higher-functional phenol-aldehyde condensate....
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4390340 |
Tanning agent, its preparation and its use for retanning
Mineral tanned leather is frequently retanned with synthetic tanning agents to improve the fullness and softness, but leather retanned by the prior art methods is difficult to dye in full shades...
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4354697 |
Process for producting p-phenylphenol resin improved in solubility and no carbon copying paper comprising the same
A resin prepared by acid-catalytic condensation of p-phenylphenol with formaldehyde in the presence of an alcohol having a boiling point of 70° C. or more is improved in solubility in various...
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4345054 |
High-molecular-weight novolak types substituted phenolic resins and process for preparation thereof
A high-molecular-weight novolak type substituted phenolic resin having a number average molecular weight of at least 1500 is prepared by reacting (A) (i) a phenol comprised mainly of a bifunctional...
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4322300 |
Drilling fluid
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...
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4046952 |
Manufacture of overlayed product with phenol-formaldehyde barrier for polyisocyanate binder
Production of consolidated overlayed product comprising a core of particulate cellulosic material bound with a polyisocyanate binder and an overlay bound to the core through a phenolformaldehyde...
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4044006 |
Oxazine containing ureidoalkylphosphonates
Novel ureidoalkylphosphonates, methods for their preparation as well as for their use in preparing durable, flameproof finishes for textiles are disclosed. These ureidoalkylphosphonates are found...
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3857815 |
POLYGLYCOL-MODIFIED PHENOLIC RESINS
Phenolic-aldehyde resoles are modified by reaction with a polypropylene glycol or a polybutylene glycol before curing to obtain cured resins with improved resistance to impact. Preferably, the...
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3650102 |
FIBERS FROM NOVOLACS
A novolac melt is fiberized to produce a thermoplastic, uncured novolac fiber, and the novolac is cured by heating the fiber in a formaldehyde environment in the presence of an acid catalyst to...
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3615975 |
BONDING MATERIALS USING AMINE-MODIFIED ALDEHYDE CONDENSATION POLYMER, MIXTURE OF EPOXY RESIN AND METHYLENE DONOR, AND A FOAMING AGENT
A method of bonding materials, particularly wood, using foamed gap-filling adhesives is disclosed. The adhesives are prepared using amine-modified aldehyde condensation polymers in which a foaming...
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3355272 |
Abrasive compositions and structures thereof comprising a thermosetting resin and a thermoplastic polyarylene polyether
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3328427 |
Mono, ortho and oxetane esters of trimethylol compounds
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3299167 |
Phenolic encapsulating compositions
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3281496 |
Reactivation and stabilization of phenolic adhesives using benzoquinone, peroxides, anhydrides and acids
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