DE69306958T2 - Rückgewinnung von Giessereisanden aus einem Phenolharz-Ester-Bindemittelsystem - Google Patents

Rückgewinnung von Giessereisanden aus einem Phenolharz-Ester-Bindemittelsystem

Info

Publication number
DE69306958T2
DE69306958T2 DE69306958T DE69306958T DE69306958T2 DE 69306958 T2 DE69306958 T2 DE 69306958T2 DE 69306958 T DE69306958 T DE 69306958T DE 69306958 T DE69306958 T DE 69306958T DE 69306958 T2 DE69306958 T2 DE 69306958T2
Authority
DE
Germany
Prior art keywords
pct
phenolic resin
recovery
date
binder system
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.)
Expired - Fee Related
Application number
DE69306958T
Other languages
English (en)
Other versions
DE69306958D1 (de
Inventor
Andrew David Busby
Philip Vernon
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.)
Ashland Inc
Original Assignee
Ashland Inc
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 Ashland Inc filed Critical Ashland Inc
Publication of DE69306958D1 publication Critical patent/DE69306958D1/de
Application granted granted Critical
Publication of DE69306958T2 publication Critical patent/DE69306958T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • B22C1/02—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mold Materials And Core Materials (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • Processing Of Solid Wastes (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69306958T 1992-09-02 1993-08-23 Rückgewinnung von Giessereisanden aus einem Phenolharz-Ester-Bindemittelsystem Expired - Fee Related DE69306958T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB929218596A GB9218596D0 (en) 1992-09-02 1992-09-02 Reclamation of ester-cured phenolic resin bonded foundry sands
PCT/GB1993/001792 WO1994005448A1 (en) 1992-09-02 1993-08-23 Reclamation of ester-cured phenolic resin bonded foundry sands

Publications (2)

Publication Number Publication Date
DE69306958D1 DE69306958D1 (de) 1997-02-06
DE69306958T2 true DE69306958T2 (de) 1997-05-07

Family

ID=10721298

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69306958T Expired - Fee Related DE69306958T2 (de) 1992-09-02 1993-08-23 Rückgewinnung von Giessereisanden aus einem Phenolharz-Ester-Bindemittelsystem

Country Status (11)

Country Link
US (1) US5567743A (de)
EP (1) EP0658131B1 (de)
JP (1) JP3096477B2 (de)
AT (1) ATE146707T1 (de)
AU (1) AU674879B2 (de)
BR (1) BR9306994A (de)
CA (1) CA2143743C (de)
DE (1) DE69306958T2 (de)
ES (1) ES2098773T3 (de)
GB (1) GB9218596D0 (de)
WO (1) WO1994005448A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9309615D0 (en) * 1993-05-11 1993-06-23 Borden France Sa A method of improving the properties of reclaimed sand used for the production of foundry moulds and cores
GB9624340D0 (en) 1996-11-22 1997-01-08 Foseco Int Sand reclamation
US5858549A (en) * 1997-01-07 1999-01-12 National Starch And Chemical Investment Holding Corporation (Hydroxyalkyl)urea crosslinking agents
US5840822A (en) * 1997-09-02 1998-11-24 National Starch And Chemical Investment Holding Corporation Mono(hydroxyalkyl)urea and oxazolidone crosslinking agents
GB9726392D0 (en) * 1997-12-12 1998-02-11 Perstop Limited Improvements in or relating to a method of treatment of moulding sand
GB0410484D0 (en) * 2004-05-11 2004-06-16 Ashland Uk Ltd Reclamation of ester-cured phenolic resin bonded foundry sands
EP2692460B1 (de) 2012-07-30 2015-02-25 Hüttenes-Albertus Chemische-Werke GmbH Teilchenförmige Feuerfestmaterialzusammensetzungen zur Verwendung bei der Herstellung von Gussformen und -kernen, Verfahren zu ihrer Herstellung und entsprechende Verwendungen
JP6564837B2 (ja) * 2017-12-19 2019-08-21 山川産業株式会社 鋳型用粘結剤含有砂、その製造用の原料砂、鋳型及び原料砂の製造方法
ES2883555T3 (es) 2018-09-07 2021-12-09 Huettenes Albertus Chemische Werke Gmbh Método para preparar una composición refractaria en partículas para su uso en la producción de moldes y machos de fundición, usos correspondientes y mezcla de recuperación para tratamiento térmico
US11648605B2 (en) 2021-05-10 2023-05-16 ASK Chemicals LLC Halloysite tubes in ester-cured phenolic bonded foundry shapes

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191120204A (en) * 1911-09-12 1912-09-12 Poulson S Foundry Specialities Improvements relating to the Treatment or Renovation of Foundry Sand.
DE2656672C2 (de) * 1976-12-15 1978-09-21 Daimler-Benz Ag, 7000 Stuttgart Verfahren beim Regenerieren von Kernsand
US5211215A (en) * 1990-02-14 1993-05-18 Sommer Hermann W Process for neutralizing regenerated sand
US5238976A (en) * 1990-06-15 1993-08-24 Borden, Inc. Process to enhance the tensile strength of reclaimed sand bonded with ester cured alkaline phenolic resin
US5376696A (en) * 1990-07-13 1994-12-27 Ashland Oil, Inc. Foundry mixes based upon reclaimed sand

Also Published As

Publication number Publication date
CA2143743C (en) 2000-06-06
CA2143743A1 (en) 1994-03-17
BR9306994A (pt) 1999-05-25
US5567743A (en) 1996-10-22
DE69306958D1 (de) 1997-02-06
AU4968293A (en) 1994-03-29
WO1994005448A1 (en) 1994-03-17
EP0658131B1 (de) 1996-12-27
JP3096477B2 (ja) 2000-10-10
JPH08502929A (ja) 1996-04-02
GB9218596D0 (en) 1992-10-14
ATE146707T1 (de) 1997-01-15
ES2098773T3 (es) 1997-05-01
EP0658131A1 (de) 1995-06-21
AU674879B2 (en) 1997-01-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee