BE819444A - Polymere de polyurethame destine a la fabrication d'elements deformables - Google Patents

Polymere de polyurethame destine a la fabrication d'elements deformables

Info

Publication number
BE819444A
BE819444A BE148127A BE148127A BE819444A BE 819444 A BE819444 A BE 819444A BE 148127 A BE148127 A BE 148127A BE 148127 A BE148127 A BE 148127A BE 819444 A BE819444 A BE 819444A
Authority
BE
Belgium
Prior art keywords
polyurethame
manufacture
deformable elements
polymer intended
polymer
Prior art date
Application number
BE148127A
Other languages
English (en)
Inventor
G Paganelli
A Cicognini
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 filed Critical
Publication of BE819444A publication Critical patent/BE819444A/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/3605—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by their material
    • 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
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • 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
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7678—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing condensed aromatic rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polyurethanes Or Polyureas (AREA)
BE148127A 1973-08-31 1974-09-02 Polymere de polyurethame destine a la fabrication d'elements deformables BE819444A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2840973A IT995244B (it) 1973-08-31 1973-08-31 Polimero poliuretanico per la costruzione di elementi deformabili atti ad assorbire elevata energia d urto utilizzabili in particolare neoli ammortizzatori per veicoli ferroviari

Publications (1)

Publication Number Publication Date
BE819444A true BE819444A (fr) 1974-12-31

Family

ID=11223546

Family Applications (1)

Application Number Title Priority Date Filing Date
BE148127A BE819444A (fr) 1973-08-31 1974-09-02 Polymere de polyurethame destine a la fabrication d'elements deformables

Country Status (4)

Country Link
BE (1) BE819444A (fr)
CH (1) CH613984A5 (fr)
FR (1) FR2242415B1 (fr)
IT (1) IT995244B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3329775A1 (de) * 1983-08-18 1985-02-28 Bayer Ag, 5090 Leverkusen Thermoplastische polyurethane hoher waermestandfestigkeit auf basis von naphthylendiisocyanat, verfahren zu ihrer herstellung und ihre verwendung

Also Published As

Publication number Publication date
CH613984A5 (en) 1979-10-31
IT995244B (it) 1975-11-10
FR2242415A1 (fr) 1975-03-28
FR2242415B1 (fr) 1976-10-22

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: INDUSTRIE PIRELLI S.P.A.

Effective date: 19840902