Abstract: A description is given of a two-component binder system for use in the polyurethane cold box process, a mixture for curing by contacting with a tertiary amine, a method for producing a feeder, a foundry mold or a foundry core, and also feeders, foundry molds and foundry cores producible by this method, and the use of a two-component binder system of the invention or of a mixture of the invention for binding a mold raw material or a mixture of mold raw materials in the polyurethane cold box process.
Type:
Application
Filed:
March 8, 2017
Publication date:
March 28, 2019
Applicant:
HÜTTENES-ALBERTUS CHEMISCHE WERKE GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG
Inventors:
Gérard LADÉGOURDIE, Nicolas EGELER, Jaime DÍAZ FERNÁNDEZ
Abstract: A description is given of a use of a composition comprising an ortho-fused phenolic resole in an amount of up to 60 wt %; as first solvent for the ortho-fused phenolic resole, one or more compounds selected from the group consisting of alkyl silicates, alkyl silicate oligomers and mixtures thereof, the total amount of these compounds being greater than 30 wt %; optionally one or more further solvents for the ortho-fused phenolic resole; optionally one or more further additives; the weight percentages being based on the total amount of the composition, as a binder component for producing feeder elements by the cold box process. A description is also given of the use of a two-component binder system for producing feeder elements by the cold box process, and of a method for producing a feeder element for the foundry industry, and also of a feeder element.
Type:
Application
Filed:
February 17, 2017
Publication date:
February 14, 2019
Applicant:
HÜTTENES-ALBERTUS CHEMISCHE WERKE GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG
Inventors:
Gérard LADÉGOURDIE, Sandra LEHMANN, Hermann LIEBER, Klaus RIEMANN, Nils ZIMMER, Jürgen HÜBERT, Markus DÖRSCHEL, Bernd DONNER, Ursula NITSCH
Abstract: A description is given of a two-component binder system particularly for use in the polyurethane cold box process, a mixture for curing by contacting with a tertiary amine, a method for producing a feeder, a foundry mold or a foundry core, and also feeders, foundry molds and foundry cores producible by this method, and the use of a two-component binder system of the invention or of a mixture of the invention for binding a mold raw material or a mixture of mold raw materials, in particular in the polyurethane cold box process.
Type:
Application
Filed:
September 10, 2015
Publication date:
October 5, 2017
Applicant:
HÜTTENES-ALBERTUS Chemische Werke Gesellschaft mit beschränkter Haftung