EP3774114A1 - Nettoyage de moules de fonderie - Google Patents

Nettoyage de moules de fonderie

Info

Publication number
EP3774114A1
EP3774114A1 EP19711120.6A EP19711120A EP3774114A1 EP 3774114 A1 EP3774114 A1 EP 3774114A1 EP 19711120 A EP19711120 A EP 19711120A EP 3774114 A1 EP3774114 A1 EP 3774114A1
Authority
EP
European Patent Office
Prior art keywords
sand
alkyl
composition
group
branched
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
EP19711120.6A
Other languages
German (de)
English (en)
Inventor
Tobias Urban
Henning Urch
Michael Koch
Thomas PAASCHE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Publication of EP3774114A1 publication Critical patent/EP3774114A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
    • B22D29/001—Removing cores
    • B22D29/002—Removing cores by leaching, washing or dissolving
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
    • B22C5/08—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by sprinkling, cooling, or drying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D31/00—Cutting-off surplus material, e.g. gates; Cleaning and working on castings
    • B22D31/002—Cleaning, working on castings

Definitions

  • R x denotes linear or branched, unsubstituted or hydroxy substituted C 2 -C 22 alkyl
  • n 1, 2, 3, 4, 5, 6 or 7, and
  • M is a hydrogen atom or an alkali metal cation cation or ethoxylenated (EO) and/or propoxylenated (PO) derivatives thereof, containing on average from 0.5 to 60 EO and/or PO units;
  • x, y independently of one another are 0 or 1;
  • R 2 and R 3 independently of each other, denote H or linear or branched, unsubstituted or substituted C C 12 alkyl;
  • the presently claimed invention is directed to a composition com prising
  • Ri denotes linear or branched, unsubstituted C 2 -C 12 alkyl
  • x, y independently of one another are 0 or 1

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Processing Of Solid Wastes (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Detergent Compositions (AREA)

Abstract

La présente invention concerne un procédé de désintégration d'un moule de fonderie comprenant du sable et un liant polyuréthane. La présente invention concerne en outre un procédé de désintégration d'un moule de fonderie par la mise en contact de celui-ci avec une composition comprenant au moins un amide d'acide carboxylique et au moins une alcanolamine.
EP19711120.6A 2018-03-30 2019-03-21 Nettoyage de moules de fonderie Pending EP3774114A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP18165295 2018-03-30
PCT/EP2019/057042 WO2019185437A1 (fr) 2018-03-30 2019-03-21 Nettoyage de moules de fonderie

Publications (1)

Publication Number Publication Date
EP3774114A1 true EP3774114A1 (fr) 2021-02-17

Family

ID=61868377

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19711120.6A Pending EP3774114A1 (fr) 2018-03-30 2019-03-21 Nettoyage de moules de fonderie

Country Status (8)

Country Link
US (1) US20210114090A1 (fr)
EP (1) EP3774114A1 (fr)
JP (1) JP2021519214A (fr)
CN (1) CN111936252A (fr)
BR (1) BR112020019796A2 (fr)
MX (1) MX2020010276A (fr)
RU (1) RU2020135681A (fr)
WO (1) WO2019185437A1 (fr)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2666001A (en) 1950-06-15 1954-01-12 Pure Oil Co Chemical method for removing residual sand from metal castings formed in sand-type molds
US2766496A (en) 1952-02-02 1956-10-16 Robert W Ward Company Method and apparatus for cleaning foundry sand
JPS5785634A (en) * 1980-11-14 1982-05-28 Shokubai Kasei Kogyo Kk Manufacture of mold
JPS604262B2 (ja) 1981-02-21 1985-02-02 マツダ株式会社 アルミニウム合金製鋳物の製造法
JPH0635592B2 (ja) * 1985-06-17 1994-05-11 花王株式会社 鋳型製造用洗浄剤
US4770713A (en) * 1986-12-10 1988-09-13 Advanced Chemical Technologies, Inc. Stripping compositions containing an alkylamide and an alkanolamine and use thereof
JPH0794065B2 (ja) * 1991-02-08 1995-10-11 明三 佐藤 有機自硬性鋳型の解枠方法
JPH10235467A (ja) * 1997-02-24 1998-09-08 Tetra:Kk 有機自硬性造型砂除去剤
MXPA05001393A (es) * 2002-08-08 2005-04-28 Cons Eng Co Inc Metodos y aparatos para el tratamiento con calor y remocion de arena para fundiciones.
US20150367405A1 (en) * 2014-06-18 2015-12-24 Newton Engine Corporation Foundry Mixture and Related Methods for Casting and Cleaning Cast Metal Parts

Also Published As

Publication number Publication date
CN111936252A (zh) 2020-11-13
WO2019185437A1 (fr) 2019-10-03
BR112020019796A2 (pt) 2021-01-05
JP2021519214A (ja) 2021-08-10
MX2020010276A (es) 2020-11-06
RU2020135681A (ru) 2022-05-04
US20210114090A1 (en) 2021-04-22

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