IT1035853B - Procedimento per la fabbricazione di elementi di forme perla colata di metalli in materiale granulare a legante poliuretanico - Google Patents

Procedimento per la fabbricazione di elementi di forme perla colata di metalli in materiale granulare a legante poliuretanico

Info

Publication number
IT1035853B
IT1035853B IT49803/75A IT4980375A IT1035853B IT 1035853 B IT1035853 B IT 1035853B IT 49803/75 A IT49803/75 A IT 49803/75A IT 4980375 A IT4980375 A IT 4980375A IT 1035853 B IT1035853 B IT 1035853B
Authority
IT
Italy
Prior art keywords
metals
procedure
manufacture
elements
granular material
Prior art date
Application number
IT49803/75A
Other languages
English (en)
Original Assignee
Bofors Ab
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 Bofors Ab filed Critical Bofors Ab
Application granted granted Critical
Publication of IT1035853B publication Critical patent/IT1035853B/it

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
    • C08G18/16—Catalysts
    • C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
    • C08G18/1891—Catalysts containing secondary or tertiary amines or salts thereof in vaporous state
    • 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
    • B22C1/162—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 use of a gaseous treating agent for hardening the binder
    • 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
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02—Macromolecular compounds
    • C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B26/16—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
    • C08K3/013—Fillers, pigments or reinforcing additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Mold Materials And Core Materials (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polyurethanes Or Polyureas (AREA)
IT49803/75A 1974-06-07 1975-05-27 Procedimento per la fabbricazione di elementi di forme perla colata di metalli in materiale granulare a legante poliuretanico IT1035853B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7407505A SE7407505L (sv) 1974-06-07 1974-06-07 Forfarande for framstellning av formkroppar av polyuretanbundna kornformiga material.

Publications (1)

Publication Number Publication Date
IT1035853B true IT1035853B (it) 1979-10-20

Family

ID=20321357

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49803/75A IT1035853B (it) 1974-06-07 1975-05-27 Procedimento per la fabbricazione di elementi di forme perla colata di metalli in materiale granulare a legante poliuretanico

Country Status (10)

Country Link
US (1) US3985699A (it)
BE (1) BE829712A (it)
BR (2) BR7503571A (it)
DE (1) DE2523614A1 (it)
DK (1) DK255575A (it)
FR (1) FR2273609A1 (it)
IT (1) IT1035853B (it)
NL (1) NL7506673A (it)
NO (1) NO752003L (it)
SE (1) SE7407505L (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3339174C3 (de) * 1983-10-28 1995-06-01 Schuiling Metall Chemie B V Kalthärtbares Bindemittel auf Polyurethan-Basis für Gießereizwecke
US4698377A (en) * 1986-09-26 1987-10-06 Acme Resin Corporation Binder compositions containing phenolic resins and esters of alkoxy acids
US6939151B2 (en) * 1997-07-30 2005-09-06 Thomas & Betts International, Inc. Loadbreak connector assembly which prevents switching flashover
US7044760B2 (en) 1997-07-30 2006-05-16 Thomas & Betts International, Inc. Separable electrical connector assembly

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2374136A (en) * 1940-11-01 1945-04-17 Du Pont Catalytic reaction of isocyanates with organic compounds
US3063964A (en) * 1960-01-15 1962-11-13 Allied Chem Polyether-urethane compositions modified with polymethylol phenols
GB949086A (en) 1960-04-22 1964-02-12 Bombrini Parodi Delfino Spa Improvements in composite propellants and the like
GB971974A (en) 1961-10-30 1964-10-07 Ici Ltd Manufacture of polyurethanes
US3441523A (en) * 1964-11-12 1969-04-29 Allied Chem Filled cellular urethanes
GB1133834A (en) 1965-11-05 1968-11-20 Federico Urgesi Process for preparing light-stable polyurethane elastomers and products obtained thereby
US3450653A (en) * 1965-12-10 1969-06-17 Upjohn Co Polyurethane elastomeric sealants
US3485797A (en) * 1966-03-14 1969-12-23 Ashland Oil Inc Phenolic resins containing benzylic ether linkages and unsubstituted para positions
GB1136307A (en) 1966-07-26 1968-12-11 Borden Chemical Company Uk Ltd Improvements in or relating to foundry moulding compositions and to a process for theproduction of foundry cores
US3429848A (en) * 1966-08-01 1969-02-25 Ashland Oil Inc Foundry binder composition comprising benzylic ether resin,polyisocyanate,and tertiary amine
US3538040A (en) * 1967-05-19 1970-11-03 Hooker Chemical Corp Foundry sand compositions containing room temperature curing resin
US3637577A (en) * 1967-06-19 1972-01-25 Ashland Oil Inc Curing of foundry molds and cores by induction heating
US3432457A (en) * 1967-07-12 1969-03-11 Ashland Oil Inc Resinous composition comprising benzylic ether resin,polyisocyanate,and tertiary amine
GB1269202A (en) * 1968-02-14 1972-04-06 Fordath Ltd Improvements in the production of cores for use in the production of metal castings
US3645942A (en) * 1970-04-29 1972-02-29 Quaker Oats Co Foundry process using a propoxylated toluene diamine as an extender with a castor oil-aromatic diisocyanate prepolymer
US3676392A (en) * 1971-01-26 1972-07-11 Ashland Oil Inc Resin compositions
US3679631A (en) * 1971-02-08 1972-07-25 Globe Mfg Co Higher heat set spandex prepared from a mixture of a polyether or polyester prepolymer and a dihydric phenol and method of preparation
US3745139A (en) * 1971-05-03 1973-07-10 Ashland Oil Inc Foundry processes and products
US3725355A (en) * 1971-10-21 1973-04-03 Dow Chemical Co Rapid setting polyurethane elastomer compositions

Also Published As

Publication number Publication date
FR2273609A1 (fr) 1976-01-02
DE2523614A1 (de) 1975-12-18
US3985699A (en) 1976-10-12
DK255575A (da) 1975-12-08
BR7503571A (pt) 1976-06-22
BE829712A (fr) 1975-09-15
NO752003L (it) 1975-12-09
NL7506673A (nl) 1975-12-09
FR2273609B3 (it) 1978-02-03
BR7503572A (pt) 1976-06-22
SE7407505L (sv) 1975-12-08

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