ZA968916B - Binder system on the basis of polyurethane for molding material mixtures for use in the production of casting molds and cores - Google Patents

Binder system on the basis of polyurethane for molding material mixtures for use in the production of casting molds and cores

Info

Publication number
ZA968916B
ZA968916B ZA968916A ZA968916A ZA968916B ZA 968916 B ZA968916 B ZA 968916B ZA 968916 A ZA968916 A ZA 968916A ZA 968916 A ZA968916 A ZA 968916A ZA 968916 B ZA968916 B ZA 968916B
Authority
ZA
South Africa
Prior art keywords
cores
polyurethane
basis
production
molding material
Prior art date
Application number
ZA968916A
Inventor
Marek Torbus
Gerard Phillippe M Ladegourdie
Original Assignee
Huettenes Albertus
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huettenes Albertus filed Critical Huettenes Albertus
Publication of ZA968916B publication Critical patent/ZA968916B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/54—Polycondensates of aldehydes
    • C08G18/542—Polycondensates of aldehydes with phenols
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
    • B22C1/20—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents
    • B22C1/22—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of resins or rosins
    • B22C1/2233—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of resins or rosins obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • B22C1/2273—Polyurethanes; Polyisocyanates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/0838—Manufacture of polymers in the presence of non-reactive compounds
    • C08G18/0842—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents
    • C08G18/0847—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents in the presence of solvents for the polymers
    • C08G18/0852—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents in the presence of solvents for the polymers the solvents being organic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
ZA968916A 1995-11-01 1996-10-23 Binder system on the basis of polyurethane for molding material mixtures for use in the production of casting molds and cores ZA968916B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19542752A DE19542752A1 (en) 1995-11-01 1995-11-01 Polyurethane-based binder system for foundry mould and core materials

Publications (1)

Publication Number Publication Date
ZA968916B true ZA968916B (en) 1997-05-28

Family

ID=7777639

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA968916A ZA968916B (en) 1995-11-01 1996-10-23 Binder system on the basis of polyurethane for molding material mixtures for use in the production of casting molds and cores

Country Status (3)

Country Link
DE (1) DE19542752A1 (en)
JO (1) JO1932B1 (en)
ZA (1) ZA968916B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2640778A2 (en) 2010-11-19 2013-09-25 Hüttenes-Albertus Chemische-Werke GmbH Sulfonic acid-containing binder for molding material mixes for the production of molds and cores
DE202012013467U1 (en) 2012-02-09 2017-01-30 HÜTTENES-ALBERTUS Chemische Werke Gesellschaft mit beschränkter Haftung Cold box binder systems and blends for use as additives to such binder systems
DE102020118148A1 (en) 2020-07-09 2022-01-13 Bindur Gmbh Molding material for the production of cores and process for its hardening

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3905934A (en) * 1974-05-23 1975-09-16 Ashland Oil Inc Phenolic resin-polyisocyanate binder systems containing dialkyl phthalate solvents
AT341125B (en) * 1975-08-21 1978-01-25 Ashland Suedchemie Kernfest SAND MIX FOR THE MANUFACTURING OF MOLDS AND CORES AND PROCESS FOR CURING THIS SAND MIX

Also Published As

Publication number Publication date
JO1932B1 (en) 1997-01-15
DE19542752A1 (en) 1997-05-07

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