RO79648A - Procedeu de obtinere a elastomerilor poliuretanici - Google Patents

Procedeu de obtinere a elastomerilor poliuretanici

Info

Publication number
RO79648A
RO79648A RO80101197A RO10119780A RO79648A RO 79648 A RO79648 A RO 79648A RO 80101197 A RO80101197 A RO 80101197A RO 10119780 A RO10119780 A RO 10119780A RO 79648 A RO79648 A RO 79648A
Authority
RO
Romania
Prior art keywords
weight
prepolymer
water
polyurethane elastomers
isocyanate
Prior art date
Application number
RO80101197A
Other languages
English (en)
French (fr)
Inventor
Ernst Meisert
Franz J Bohne
Klaus Brecht
Werner Mormann
Wolfgang Krohn
Gerhard Henes
Original Assignee
Bayer Ag,De
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 Bayer Ag,De filed Critical Bayer Ag,De
Publication of RO79648A publication Critical patent/RO79648A/ro

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
    • C08G18/10—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
    • C08G2110/00—Foam properties
    • C08G2110/0041—Foam properties having specified density
    • C08G2110/0066—≥ 150kg/m3
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0083—Foam properties prepared using water as the sole blowing agent

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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Materials For Medical Uses (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
RO80101197A 1979-05-21 1980-05-21 Procedeu de obtinere a elastomerilor poliuretanici RO79648A (ro)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792920502 DE2920502A1 (de) 1979-05-21 1979-05-21 Verfahren zur herstellung von zelligen polyurethan-elastomeren

Publications (1)

Publication Number Publication Date
RO79648A true RO79648A (ro) 1982-08-17

Family

ID=6071293

Family Applications (1)

Application Number Title Priority Date Filing Date
RO80101197A RO79648A (ro) 1979-05-21 1980-05-21 Procedeu de obtinere a elastomerilor poliuretanici

Country Status (12)

Country Link
US (1) US4280007A (ro)
EP (1) EP0019213B1 (ro)
JP (1) JPS55155016A (ro)
AT (1) ATE3432T1 (ro)
CA (1) CA1137699A (ro)
CS (1) CS223831B2 (ro)
DE (2) DE2920502A1 (ro)
ES (1) ES8102159A1 (ro)
FI (1) FI66410C (ro)
PL (1) PL121606B1 (ro)
RO (1) RO79648A (ro)
YU (1) YU134480A (ro)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4350777A (en) * 1980-03-28 1982-09-21 Bayer Aktiengesellschaft Impermeable molded articles of cellular polyurethane elastomers produced with organofunctional polysiloxane-derivatives and their use as spring elements
US4374210A (en) * 1981-09-18 1983-02-15 The Upjohn Company Polyurea-polyurethane from a mixture of a polyol, an aromatic diamine, and an isocyanate-terminated prepolymer
US4658007A (en) * 1985-05-07 1987-04-14 The Dow Chemical Company Polyisocyanurate-based polyoxazolidone polymers and process for their preparation
JP2613441B2 (ja) * 1988-07-18 1997-05-28 トヨタ自動車株式会社 発泡ポリウレタンの製法
US5104244A (en) * 1991-03-01 1992-04-14 International Business Machines Corp. Printer throat control mechanism
DE19648509A1 (de) * 1996-11-22 1998-05-28 Bayer Ag Verwendung von Polyether-PUR für Sicherheitskleidung
DE10247789A1 (de) * 2002-10-14 2004-04-22 Bayer Ag Zellige Polyurethanelastomere, Verfahren zu ihrer Herstellung und ihre Verwendung
FR2914621B1 (fr) * 2007-04-06 2010-02-26 Messier Dowty Sa Procede de diminution du bruit aerodynamique genere par un atterrisseur d'aeronef
ITMI20111557A1 (it) * 2011-08-30 2013-03-01 Tecnoelastomeri S R L Poliuretani e poliuretani-uree aventi migliorate proprieta'
CN109900058B (zh) * 2017-12-11 2021-11-12 日立环球生活方案株式会社 冰箱、预混多元醇组合物和硬质聚氨酯泡沫
CN111378086A (zh) * 2018-12-27 2020-07-07 美国圣戈班性能塑料公司 聚氨酯泡沫体及其形成方法
US11512229B2 (en) 2018-12-27 2022-11-29 Saint-Gobain Performance Plastics Corporation Polyurethane foam and methods of forming the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2850464A (en) * 1953-09-22 1958-09-02 Du Pont Manufacture of cellular polyurethane plastics
GB1234039A (ro) * 1968-02-22 1971-06-03
US3718624A (en) * 1971-08-27 1973-02-27 Quaker Oats Co Method of curing polyurethane prepolymers with liquid extender comprising 4,4{40 -methylenebis (2-chloroaniline) and low molecular weight polytetramethylene ether glycol
BE791310A (fr) * 1971-11-13 1973-05-14 Bayer Ag Procede de preparation de pieces moulees en mousse
US4048105A (en) * 1975-12-19 1977-09-13 Mccord Corporation High density urethane foam for rim

Also Published As

Publication number Publication date
FI801607A (fi) 1980-11-22
ES491642A0 (es) 1980-12-16
ES8102159A1 (es) 1980-12-16
FI66410C (fi) 1984-10-10
EP0019213A1 (de) 1980-11-26
DE2920502A1 (de) 1980-12-04
EP0019213B1 (de) 1983-05-18
PL224352A1 (ro) 1981-02-13
CS223831B2 (en) 1983-11-25
YU134480A (en) 1983-01-21
FI66410B (fi) 1984-06-29
JPS55155016A (en) 1980-12-03
ATE3432T1 (de) 1983-06-15
US4280007A (en) 1981-07-21
CA1137699A (en) 1982-12-14
PL121606B1 (en) 1982-05-31
DE3063273D1 (en) 1983-07-07

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