IT7851585A0 - Procedimento per produrre modelli e dispositivi di modellamento - Google Patents

Procedimento per produrre modelli e dispositivi di modellamento

Info

Publication number
IT7851585A0
IT7851585A0 IT7851585A IT5158578A IT7851585A0 IT 7851585 A0 IT7851585 A0 IT 7851585A0 IT 7851585 A IT7851585 A IT 7851585A IT 5158578 A IT5158578 A IT 5158578A IT 7851585 A0 IT7851585 A0 IT 7851585A0
Authority
IT
Italy
Prior art keywords
procedure
modeling devices
producing models
models
producing
Prior art date
Application number
IT7851585A
Other languages
English (en)
Original Assignee
Ehrensperger Alphons Ehrensper
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 Ehrensperger Alphons Ehrensper filed Critical Ehrensperger Alphons Ehrensper
Publication of IT7851585A0 publication Critical patent/IT7851585A0/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
    • C08G18/28—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/06—Permanent moulds for shaped castings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • B29C33/40—Plastics, e.g. foam or rubber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L19/00—Erasers, rubbers, or erasing devices; Holders therefor
    • B43L19/0006—Erasers, rubbers, or erasing devices; Holders therefor motor-driven
    • 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
    • C08G18/20—Heterocyclic amines; Salts thereof
    • C08G18/2009—Heterocyclic amines; Salts thereof containing one heterocyclic ring
    • C08G18/2018—Heterocyclic amines; Salts thereof containing one heterocyclic ring having one nitrogen atom in the ring
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L97/00—Compositions of lignin-containing materials
    • C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2875/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as mould material

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)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
IT7851585A 1977-10-21 1978-10-20 Procedimento per produrre modelli e dispositivi di modellamento IT7851585A0 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1286777 1977-10-21

Publications (1)

Publication Number Publication Date
IT7851585A0 true IT7851585A0 (it) 1978-10-20

Family

ID=4387127

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7851585A IT7851585A0 (it) 1977-10-21 1978-10-20 Procedimento per produrre modelli e dispositivi di modellamento

Country Status (5)

Country Link
BE (1) BE871455A (it)
FR (1) FR2406487A1 (it)
IT (1) IT7851585A0 (it)
NL (1) NL7810553A (it)
WO (1) WO1979000223A1 (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2928966A1 (de) * 1979-07-18 1981-02-12 Bayer Ag Hitzehaertbare formmassen, verfahren zu deren herstellung und verfahren zur herstellung von formkoerpern unter verwendung der formmassen
US5177117A (en) * 1989-05-01 1993-01-05 Air Products And Chemicals, Inc. Controlled release catalysts and curing agents for making polyurethane and/or polyisocyanurate product
JP2699234B2 (ja) * 1992-01-31 1998-01-19 株式会社 産業技術研究所 木型用母材とその製造方法
RU2688322C1 (ru) * 2017-12-27 2019-05-21 федеральное государственное бюджетное образовательное учреждение высшего образования "Нижегородский государственный технический университет им. Р.Е. Алексеева" (НГТУ) Жидкостекольная смесь для изготовления литейных форм и стержней и способ ее приготовления
CN116063687B (zh) * 2021-11-01 2024-05-07 中国石油化工股份有限公司 一种疏水石英砂及其制备方法和应用

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB550925A (en) * 1940-07-25 1943-02-01 Du Pont Improvements in or relating to condensation products of formaldehyde and monomeric compounds
DE1193667B (de) * 1960-08-23 1965-05-26 Sueddeutsche Isolatorenwerke G Verfahren zur Herstellung von kaltgepressten Elektroisolierkoerpern mit verbesserterKriech-stromfestigkeit, die Phenolharz als Bindemittel, und Polyisocyanate enthalten
FR1500924A (fr) * 1965-07-28 1967-11-10 Minnesota Mining & Mfg Chaussure à semelle moulée et son procédé de fabrication
JPS5539663B2 (it) * 1972-05-23 1980-10-13
US3941743A (en) * 1973-04-27 1976-03-02 Ashland Oil, Inc. Cast metal appearing metal filled resin compositions
DE2327863C3 (de) * 1973-06-01 1979-02-15 Herbert Dr. 4500 Osnabrueck Grabhoefer Verwendung eines Gemisches aus einem hydroxyigruppenhaltigen modifizierten Phenolharz und einem Polyisocyanat zum Herstellen eines Verbundwerkstoffes aus Holz und Kunstharz

Also Published As

Publication number Publication date
WO1979000223A1 (en) 1979-05-03
FR2406487A1 (fr) 1979-05-18
NL7810553A (nl) 1979-04-24
BE871455A (fr) 1979-02-15

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