ES2181626T3 - Sistemas de ligante de fundicion. - Google Patents

Sistemas de ligante de fundicion.

Info

Publication number
ES2181626T3
ES2181626T3 ES00202724T ES00202724T ES2181626T3 ES 2181626 T3 ES2181626 T3 ES 2181626T3 ES 00202724 T ES00202724 T ES 00202724T ES 00202724 T ES00202724 T ES 00202724T ES 2181626 T3 ES2181626 T3 ES 2181626T3
Authority
ES
Spain
Prior art keywords
binding systems
weight
amount
foundry
polyisocyanate
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 - Lifetime
Application number
ES00202724T
Other languages
English (en)
Other versions
ES2181626T5 (es
Inventor
Giorgio Zennaro
Massimo Balconi
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.)
CAVENAGHI SpA
Original Assignee
CAVENAGHI SpA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11383476&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2181626(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by CAVENAGHI SpA filed Critical CAVENAGHI SpA
Application granted granted Critical
Publication of ES2181626T3 publication Critical patent/ES2181626T3/es
Publication of ES2181626T5 publication Critical patent/ES2181626T5/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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
    • 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
    • B22C1/24—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 oily or fatty substances; of distillation residues therefrom
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Manufacturing & Machinery (AREA)
  • Mold Materials And Core Materials (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Foundations (AREA)
  • Braking Arrangements (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Magnetic Heads (AREA)
  • Soil Working Implements (AREA)

Abstract

Composición basada en poliisocianato que se puede utilizar en la preparación de sistemas de ligante de fundición, caracterizada porque contiene: (a) un poliisocianato en una cantidad de 50-95% en peso; (b) un aceite vegetal en una cantidad de 5-40% en peso; (c) un disolvente orgánico polar aprótico en una cantidad de 2,5-30% en peso.
ES00202724T 1999-08-02 2000-07-31 Sistemas de ligante de fundicion. Expired - Lifetime ES2181626T5 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI99A1725 1999-08-02
IT1999MI001725A IT1313280B1 (it) 1999-08-02 1999-08-02 Sistemi leganti per fonderia.

Publications (2)

Publication Number Publication Date
ES2181626T3 true ES2181626T3 (es) 2003-03-01
ES2181626T5 ES2181626T5 (es) 2006-08-01

Family

ID=11383476

Family Applications (1)

Application Number Title Priority Date Filing Date
ES00202724T Expired - Lifetime ES2181626T5 (es) 1999-08-02 2000-07-31 Sistemas de ligante de fundicion.

Country Status (7)

Country Link
EP (1) EP1074568B2 (es)
AT (1) ATE225816T1 (es)
DE (1) DE60000561T3 (es)
DK (1) DK1074568T3 (es)
ES (1) ES2181626T5 (es)
IT (1) IT1313280B1 (es)
PT (1) PT1074568E (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2972946B1 (fr) 2011-03-22 2013-03-29 Rhodia Poliamida E Especialidades Ltda Systemes liants de fonderie
WO2014125313A1 (en) 2013-02-12 2014-08-21 Rhodia Poliamida E Especialidades Ltda Solvent systems and coating compositions therewith
DE102013004661A1 (de) 2013-03-18 2014-09-18 Ask Chemicals Gmbh Verwendung von Carbonsäuren und Fettaminen in PU-Bindemitteln zur Herstellung von Kernen und Formen für den Metallguss
DE102013004662A1 (de) 2013-03-18 2014-09-18 Ask Chemicals Gmbh Verwendung von Monoestern epoxidierter Fettsäuren in PU-Bindemitteln zur Herstellung von Kernen und Formen für den Metallguss
DE102013004663B4 (de) 2013-03-18 2024-05-02 Ask Chemicals Gmbh Bindemittelsystem, Formstoffmischung enthaltend dasselbe, Verfahren zur Herstellung der Formstoffmischung, Verfahren zur Herstellung eines Gießformteils oder Gießkerns, Gießformteil oder Gießkern sowie Verwendung des so erhältlichen Gießformteils oder Gießkerns für den Metallguss
CN105907077A (zh) * 2016-04-05 2016-08-31 济南圣泉集团股份有限公司 无芳烃冷芯盒树脂粘结剂

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4273179A (en) * 1978-08-16 1981-06-16 Ashland Oil, Inc. Phenolic resin-polyisocyanate binder systems containing dibasic ester solvents
US4268425A (en) * 1979-05-14 1981-05-19 Ashland Oil, Inc. Phenolic resin-polyisocyanate binder systems containing a drying oil and use thereof
US4698377A (en) * 1986-09-26 1987-10-06 Acme Resin Corporation Binder compositions containing phenolic resins and esters of alkoxy acids
US5516859A (en) * 1993-11-23 1996-05-14 Ashland Inc. Polyurethane-forming no-bake foundry binder systems
US5739255A (en) * 1996-07-17 1998-04-14 Ashland Inc. Benzylic ether phenolic resole resins

Also Published As

Publication number Publication date
EP1074568A3 (en) 2001-10-24
ATE225816T1 (de) 2002-10-15
DE60000561T2 (de) 2003-06-05
DE60000561D1 (de) 2002-11-14
EP1074568A2 (en) 2001-02-07
ES2181626T5 (es) 2006-08-01
DK1074568T3 (da) 2003-02-17
EP1074568B2 (en) 2006-03-29
EP1074568B1 (en) 2002-10-09
ITMI991725A0 (it) 1999-08-02
DE60000561T3 (de) 2006-12-21
IT1313280B1 (it) 2002-07-17
PT1074568E (pt) 2003-02-28
ITMI991725A1 (it) 2001-02-02

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