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8919421 Catalysts comprising methane sulfonic acid for the acid hardening method  
A method for producing cores and molds for the foundry industry utilizing a flowable fire-resistant primary molding material. The method includes an acid applied to the flowable fire resistant...
8813830 Use of branched alkane diol carboxylic acid diesters in polyurethane-based foundry binders  
The invention relates to a molding material mixture for production of molded products for the foundry industry, comprising at least one fire-resistant base molding material and a...
8778495 Phenol-formaldehyde novolac resin having low concentration of free phenol  
A phenol-formaldehyde novolac resin having a low concentration of free phenol prepared by distilling residual phenol from a molten novolac resin and replacing at least a portion of the phenol with...
8754147 No hexa shell sand  
A formulation and method of use for eliminating the use of hexa in shell sand encapsulation is disclosed. The composition of matter consists of standard novalac resins with the hexa component...
8436073 Lignite-based foundry resins  
Described herein, in the preferred embodiment, is a leonardite-based polyurethane resin binder that may be used, among other applications, as a binder in combination with foundry aggregate, e.g.,...
8349752 Plate brick and production method therefor  
The present invention provides a plate brick having a low amount of generation of smoke and a gas with a pungent odor during use, and exhibiting high durability. A plate brick of the present...
8148463 Alkaline resol phenol-aldehyde resin binder compositions  
This invention relates to alkaline resol phenol-aldehyde binder compositions and their use in the production of articles of bonded particulate material such as foundry moulds, foundry cores, or...
8133933 Binder compositions compatible with thermally reclaiming refractory particulate material from molds used in foundry applications  
Phenolic resin binder systems for sand molds, used in metal casting, which improve the quality of thermally reclaimed sand, are described. The substantial or complete elimination of calcium...
7984750 Binder degradation of sand cores  
A sand core is prepared for use in defining a surface of a cast metal article. The core is formed of sand particles bonded with a polyurethane resin, preferably a polyol moiety-containing...
7928151 Resin composition for shell mold and resin coated sand  
A resin composition for a shell mold which reduces smoke generation upon molding of a casting mold and maintains a crumbility and a casting mold strength of a phenolic resin, and resin coated sand...
7919179 Resin-coated sand for multilayer mold  
To provide resin-coated sand for a multilayer mold in which the consolidation strength of the casting mold obtained by using it and gas permeability thereof are improved at the same time, the...
7717994 Coating materials for cores  
The invention relates to coating material comprising a water-soluble salt as a filler. Such materials are especially suitable as core washes for salt cores for using in foundry technology.
7579075 Phenolic novolak resin for shell mold, process for producing the same, and resin coated sand  
It is an object of the present invention to provide a phenolic novolak resin for a shell mold which is capable of simultaneously solving a problem of gas defect caused by a tar generated at the...
7270879 Particulate material containing thermoplastics and methods for making and using the same  
Disclosed herein is a particle comprising a particulate substrate; and a thermoplastic elastomer present on or in the substrate as an amount sufficient to improve the dust suppression of the...
7129283 Binders containing an epoxy resin, an ester of a fatty acid, and a fluorinated acid  
This invention relates to foundry binder systems, which cure in the presence of sulfur dioxide and an oxidizing agent, comprising (a) an epoxy resin; (b) an ester of a fatty acid; (c) a...
7122583 Cold-box binders containing an epoxy resin, acrylate, and certain akyl esters  
This invention relates to foundry binder systems, which will cure in the presence of sulfur dioxide and a free radical initiator, comprising (a) an epoxy resin; (b) an acrylate; (c) an alkyl ester...
7081487 Cold-box binders containing an epoxy resin and ester of a fatty acid  
This invention relates to foundry binder systems, which cure in the presence of sulfur dioxide and an oxidizing agent, comprising (a) an epoxy resin; (b) an ester of a fatty acid; (c) an effective...
7019047 Acrylate-free binders containing an epoxy resin and an alkyl silicate  
This invention relates to foundry binder systems, which cure in the presence of sulfur dioxide and an oxidizing agent, comprising (a) an epoxy resin; (b) an alkyl silicate; (c) an ester of a fatty...
6818707 Spray dried phenolic resole molding powder with crystalline phenolic compounds  
A binder composition comprising a blend of a crystalline phenolic compound having two or more hydroxyphenyl groups and a thermosetting spray dried phenolic resole resin is disclosed. The binder...
6772820 Polyurethane based binder system for the manufacture of foundry cores and molds  
A cold-box process for preparing a foundry shape, e.g. mold or core, that uses a binder comprising a phenolic resin component and an isocyanate component, wherein the phenolic resin component...
6710101 High surface area magnesia curing agent  
Binder compositions of the present invention are useful in refractory and foundry applications. The compositions include an aggregate, a liquid resole resin, and a magnesium hardening agent. The...
6684936 Erosion-resistant cold-box foundry binder systems  
This invention relates to erosion resistant foundry binder systems, which will cure in the presence of sulfur dioxide and a free radical initiator, comprising (a) an epoxy resin; (b) a...
6662854 Cold-box foundry binder systems having improved shakeout  
This invention relates to foundry binder systems, which will cure in the presence of sulfur dioxide and a free radical initiator, comprising (a) an aliphatic epoxy resin; (b) a multifunctional...
6632527 Composite proppant, composite filtration media and methods for making and using same  
Composite particles made of a binder and filler material are provided for use in subterranean formations. The filler is finely divided mineral and optional fiber. The particles are proppants...
6604567 Free radically cured cold-box binders containing an alkyl silicate  
This invention relates to foundry binder systems, which will cure in the presence of sulfur dioxide and a free radical initiator, comprising (a) an epoxy resin; (b) an acrylate; (c) an alkyl...
6569918 Polymer composition for curing novolac resins  
A polymer composition that can be used to cure a novolac resin at a lower temperature than conventional curing agents and with reduced emission of volatile compounds is disclosed. The curing agent...
6559203 Foundry binder systems containing an alkyl resorcinol and their use  
This invention relates to an organic foundry binder containing an alkyl resorcinol, or preferably a readily available mixture of alkyl resorcinols, and derivatives thereof. Preferably, the organic...
6554051 Phenolic resin and binding agent for producing moulds and cores according to the phenolic resin-polyurethane method  
A method of preparing foundry shapes, e.g. molds and cores, by mixing a foundry aggregate with a foundry binder, shaping the mixture in a pattern, curing the mixture, and removing the mixture from...
6479567 Furan no-bake foundry binders and their use  
This invention relates to furan no-bake foundry binders comprising (a) furfuryl alcohol and/or a reactive furan resin, (b) an activator selected from the group consisting of resorcinol, resorcinol...
6429236 Acrylic-modified phenolic-urethane foundry binders  
The subject invention relates to a foundry binder system that cures in the presence of a volatile amine curing catalyst. The binder system comprises a Part I component comprising (1) a phenolic...
6426374 Foundry binder compositions and mixes that contain a divalent sulfur compound  
This invention relates to foundry binder compositions that contain a divalent sulfur compound, and/or foundry mixes where the aggregate contains a divalent sulfur compound. The foundry binders and...
6232368 Ester cured binders  
An embodiment of the present invention provides a method for improving the tensile strength of foundry cores and molds over what may be conventionally achieved. The use of acidic methylene...
6172133 Caking additive composition for forming self-hardening mold  
The present invention relates to a specific binder composition for molding by self-hardening comprising 6.0 to 25.0% by weight of metal salts of aliphatic sulfonic acid, a specific hardener...
6133359 Non-stick coatings  
A non-stick coating composition comprising fluorocarbon resins and from 5 to 25% by weight of refractory fibers. The composition preferably additionally includes a liquid medium in which the...
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...
6017978 Polyurethane forming no-bake foundry binders  
This invention relates to a polyurethane no-bake foundry binder comprising (1) phenolic resin component which comprises (a) a phenolic resin, (b) hydrofluoric acid, and (c) a silane, and (2) an...
5962567 Bound multi-component sand additive  
Two or more sand additive particles are made to adhere to each other, using a binder. The finished product consists of free-flowing particles that are composed of the additive particles bound...
5925691 Binder composition for mold and method for producing mold  
Binder compositions for a mold each comprising a specific alkaline phenol-aldehyde resin are disclosed. Methods for producing a mold using any of the binder compositions are also disclosed.
5910521 Benzoxazine polymer composition  
There is provided a composition that is the product of mixing and reaction a resole, an alcoholate of an amino triazine, and aldehyde. This composition is useful as a thermosetting resin. This...
5908914 Benzylic ether phenolic resole resins and their uses  
This invention relates to benzylic ether phenolic resole resins prepared in a sealed reaction vessel and their uses. The benzylic ether phenolic resole resins are prepared by heating phenol and an...
5861446 Coated sand composition for light-alloy casting  
A coated sand composition for light-alloy casting includes refractory particles blended with phenol resin, bromide and adsorbent which adsorbs decomposition product gas from the bromide.
5856375 Use of bisphenol a tar in furan no-bake foundry binders  
Broadly, the present invention relates to furan no-bake foundry binders where bisphenol A tar (BPAT) is used to replace a portion of the furfuryl alcohol and any conventional filler optionally...
5840785 Molding process feedstock using a copper triflate catalyst  
An improved feedstock material for D-RIM type PIM processes to manufacture parts. The feedstock includes metal or powders or a mixture thereof which is coated with a surfactant to improve rheology...
5760104 Mixtures of phenolic novolaks for use with refractory aggregate and methods for making same  
A binder solution of a phenolic novolak resin in solvent, preferably furfuryl alcohol containing at least one chemical agent such as amines containing one to five, preferably two to four, nitrogen...
5731249 Spray-on refractory composition  
The object of the present invention is to provide a spray-on (gunning) refractory composition having high anti-stripping property, adhesive strength and corrosion resistant property suitable even...
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...
5646199 Composition for mold  
A binder resin composition, a curing agent composition, a caking additive composition, a kit, a casting mold composition and a process for manufacturing a casting mold are disclosed, wherein a...
5616631 Binder composition for mold making, binder/curing agent composition for mold making, sand composition for mold making, and process of making mold  
Sand compositions containing a binder composition and a curing agent, in which the binder composition comprises (a) a binder comprising an acid-curable resin and (b) from 0.5 to 63.0% by weight,...
5612393 Casting core composition  
The invention relates to a casting core composition including refractory mullite grains and 1.0-2.2 wt % of a phenolic resin for binding the mullite grains. The mullite grains are substantially...
5602192 Process for producing sand mold  
A foundry mold is produced from sand by blending, with one another, sand, a binder comprising a ester cured-phenolic resin, a curing agent comprising an organic ester compound and one or more...

Matches 1 - 50 out of 205 1 2 3 4 5 >