ES452618A1 - Procedimiento para la obtencion de elastomeros de poliureta-no termicamente estables. - Google Patents

Procedimiento para la obtencion de elastomeros de poliureta-no termicamente estables.

Info

Publication number
ES452618A1
ES452618A1 ES452618A ES452618A ES452618A1 ES 452618 A1 ES452618 A1 ES 452618A1 ES 452618 A ES452618 A ES 452618A ES 452618 A ES452618 A ES 452618A ES 452618 A1 ES452618 A1 ES 452618A1
Authority
ES
Spain
Prior art keywords
polyurethane elastomers
reacted
molecular weight
high molecular
manufacture
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
Application number
ES452618A
Other languages
English (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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Publication of ES452618A1 publication Critical patent/ES452618A1/es
Expired 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
    • C08G18/70—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
    • C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
    • C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
    • 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
    • C08G18/721—Two or more polyisocyanates not provided for in one single group C08G18/73 - C08G18/80
    • 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
    • C08G2250/00—Compositions for preparing crystalline polymers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
ES452618A 1975-10-25 1976-10-22 Procedimiento para la obtencion de elastomeros de poliureta-no termicamente estables. Expired ES452618A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752547864 DE2547864A1 (de) 1975-10-25 1975-10-25 Waermebestaendige polyurethanelastomere

Publications (1)

Publication Number Publication Date
ES452618A1 true ES452618A1 (es) 1977-10-01

Family

ID=5960097

Family Applications (1)

Application Number Title Priority Date Filing Date
ES452618A Expired ES452618A1 (es) 1975-10-25 1976-10-22 Procedimiento para la obtencion de elastomeros de poliureta-no termicamente estables.

Country Status (5)

Country Link
DE (1) DE2547864A1 (es)
ES (1) ES452618A1 (es)
FR (1) FR2328725A1 (es)
GB (1) GB1561771A (es)
IT (1) IT1069976B (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2940856A1 (de) * 1979-10-09 1981-04-23 Elastogran GmbH, 2844 Lemförde Verfahren zur herstellung von gegebenenfalls zellhaltigen polyurethan-elastomeren
DE10022276B4 (de) * 2000-05-09 2007-10-25 Basf Ag Verbundelemente und Verfahren zu deren Herstellung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1254843A (fr) * 1959-04-27 1961-02-24 Bayer Ag Matières plastiques de polyuréthane et leur procédé de fabrication
FR1290662A (fr) * 1960-05-31 1962-04-13 Bayer Ag Matières plastiques à base de polyuréthanes
FR1328121A (fr) * 1961-07-18 1963-05-24 United Elastic Corp Procédé perfectionné de préparation de polyuréthanes extrudables à l'état fondu en fils élastiques

Also Published As

Publication number Publication date
DE2547864A1 (de) 1977-05-05
FR2328725B1 (es) 1981-11-27
GB1561771A (en) 1980-03-05
FR2328725A1 (fr) 1977-05-20
IT1069976B (it) 1985-03-25

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