FR2242415B1 - - Google Patents

Info

Publication number
FR2242415B1
FR2242415B1 FR7428798A FR7428798A FR2242415B1 FR 2242415 B1 FR2242415 B1 FR 2242415B1 FR 7428798 A FR7428798 A FR 7428798A FR 7428798 A FR7428798 A FR 7428798A FR 2242415 B1 FR2242415 B1 FR 2242415B1
Authority
FR
France
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
FR7428798A
Other languages
French (fr)
Other versions
FR2242415A1 (en
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.)
Pirelli and C SpA
Original Assignee
Pirelli 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
Application filed by Pirelli SpA filed Critical Pirelli SpA
Publication of FR2242415A1 publication Critical patent/FR2242415A1/fr
Application granted granted Critical
Publication of FR2242415B1 publication Critical patent/FR2242415B1/fr
Expired legal-status Critical Current

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)
FR7428798A 1973-08-31 1974-08-22 Expired FR2242415B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2840973A IT995244B (en) 1973-08-31 1973-08-31 POLYURETHANE POLYMER FOR THE CONSTRUCTION OF DEFORMABLE ELEMENTS SUITABLE TO ABSORB HIGH IMPACT ENERGY USABLE IN PARTICULAR NEOL SHOCK ABSORBERS FOR RAILWAY VEHICLES

Publications (2)

Publication Number Publication Date
FR2242415A1 FR2242415A1 (en) 1975-03-28
FR2242415B1 true FR2242415B1 (en) 1976-10-22

Family

ID=11223546

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7428798A Expired FR2242415B1 (en) 1973-08-31 1974-08-22

Country Status (4)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3329775A1 (en) * 1983-08-18 1985-02-28 Bayer Ag, 5090 Leverkusen THERMOPLASTIC POLYURETHANES OF HIGH HEAT RESISTANCE BASED ON NAPHTHYLENE DIISOCYANATE, METHOD FOR THEIR PRODUCTION AND THEIR USE

Also Published As

Publication number Publication date
FR2242415A1 (en) 1975-03-28
BE819444A (en) 1974-12-31
CH613984A5 (en) 1979-10-31
IT995244B (en) 1975-11-10

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Legal Events

Date Code Title Description
ST Notification of lapse