ES8604614A1 - Procedimiento para la fabricacion de un aglomerante para fundicion - Google Patents

Procedimiento para la fabricacion de un aglomerante para fundicion

Info

Publication number
ES8604614A1
ES8604614A1 ES544532A ES544532A ES8604614A1 ES 8604614 A1 ES8604614 A1 ES 8604614A1 ES 544532 A ES544532 A ES 544532A ES 544532 A ES544532 A ES 544532A ES 8604614 A1 ES8604614 A1 ES 8604614A1
Authority
ES
Spain
Prior art keywords
foundary
condensation
castings
reaction mixture
phenol
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
Application number
ES544532A
Other languages
English (en)
Other versions
ES544532A0 (es
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.)
Huettenes Albertus Chemische Werke GmbH
Original Assignee
Huettenes Albertus Chemische Werke GmbH
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 Chemische Werke GmbH filed Critical Huettenes Albertus Chemische Werke GmbH
Publication of ES8604614A1 publication Critical patent/ES8604614A1/es
Publication of ES544532A0 publication Critical patent/ES544532A0/es
Expired legal-status Critical Current

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
    • C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
    • C08G8/04—Condensation polymers of aldehydes or ketones with phenols only of aldehydes
    • 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
    • B22C1/2246—Condensation polymers of aldehydes and ketones
    • B22C1/2253—Condensation polymers of aldehydes and ketones with phenols

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Mold Materials And Core Materials (AREA)

Abstract

PROCEDIMIENTO PARA LA FABRICACION DE UN AGLOMERANTE PARA SER USADO EN LA CONSTRUCCION DE PARTES DE MOLDES PARA FUNDICION. COMPRENDE LAS SIGUIENTES OPERACIONES: PRIMERA, SE REALIZA LA CONDENSACION DE FENOL Y ALDEHIDO EN RELACION MOLAR DE 1:0,9 A 2, EN PRESENCIA DE IONES METALICOS BIVALENTES QUE HACEN DE CATALIZADOR; SEGUNDA, DICHA CONDENSACION SE REALIZA EN UN MEDIO ACUOSO, AJUSTANDO LA MEZCLA DE REACCION A UN TIPO ALCALINO EN CUANTO SU CONTENIDO EN FORMALDEHIDO LIBRE HA DESCENDIDO POR DEBAJO DEL 15% EN PESO; Y POR ULTIMO, LA CONDENSACION CONCLUYE CUANDO EL CONTENIDO DE FORMALDEHIDO LIBRE EN LA MEZCLA DE REACCION, HA DESCENDIDO POR DEBAJO DEL 3% EN PESO.
ES544532A 1984-06-25 1985-06-25 Procedimiento para la fabricacion de un aglomerante para fundicion Expired ES8604614A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843423878 DE3423878A1 (de) 1984-06-25 1984-06-25 Verfahren zur herstellung von phenol-aldehyd-kondensaten und deren verwendung als bindemittel fuer giessereiformteile

Publications (2)

Publication Number Publication Date
ES8604614A1 true ES8604614A1 (es) 1986-02-01
ES544532A0 ES544532A0 (es) 1986-02-01

Family

ID=6239394

Family Applications (1)

Application Number Title Priority Date Filing Date
ES544532A Expired ES8604614A1 (es) 1984-06-25 1985-06-25 Procedimiento para la fabricacion de un aglomerante para fundicion

Country Status (3)

Country Link
DE (1) DE3423878A1 (es)
ES (1) ES8604614A1 (es)
IT (1) IT1188168B (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3738902A1 (de) * 1987-11-17 1989-05-24 Ruetgerswerke Ag Hitzehaertendes bindemittel und seine verwendung
US5021539A (en) * 1989-03-24 1991-06-04 Acme Resin Corporation Alkaline benzylic ether phenolic resin binders
USRE34228E (en) * 1989-03-24 1993-04-20 Acme Resin Corp. Alkaline benzylic ether phenolic resin binders

Also Published As

Publication number Publication date
DE3423878A1 (de) 1986-01-02
ES544532A0 (es) 1986-02-01
IT1188168B (it) 1988-01-07
IT8521270A0 (it) 1985-06-24

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19960603