DE2234507A1 - Verfahren zur herstellung von polyurethanen - Google Patents

Verfahren zur herstellung von polyurethanen

Info

Publication number
DE2234507A1
DE2234507A1 DE2234507A DE2234507A DE2234507A1 DE 2234507 A1 DE2234507 A1 DE 2234507A1 DE 2234507 A DE2234507 A DE 2234507A DE 2234507 A DE2234507 A DE 2234507A DE 2234507 A1 DE2234507 A1 DE 2234507A1
Authority
DE
Germany
Prior art keywords
molecular weight
prepolymer
polyurethane
low molecular
solvents
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.)
Ceased
Application number
DE2234507A
Other languages
German (de)
English (en)
Inventor
Roxburgh Richmond Aitken
James Peter Brown
John Richard Lewis
John Wilcock
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of DE2234507A1 publication Critical patent/DE2234507A1/de
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
    • C09J175/04—Polyurethanes
    • 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
    • C08G18/0895—Manufacture of polymers by continuous processes
    • 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
    • C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
    • C08G18/751—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
    • C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
    • C08G18/753—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
    • C08G18/755—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Polyurethanes Or Polyureas (AREA)
DE2234507A 1971-07-16 1972-07-13 Verfahren zur herstellung von polyurethanen Ceased DE2234507A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3345771 1971-07-16

Publications (1)

Publication Number Publication Date
DE2234507A1 true DE2234507A1 (de) 1973-02-01

Family

ID=10353213

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2234507A Ceased DE2234507A1 (de) 1971-07-16 1972-07-13 Verfahren zur herstellung von polyurethanen

Country Status (9)

Country Link
AU (1) AU470082B2 (xx)
BE (1) BE786330A (xx)
DE (1) DE2234507A1 (xx)
ES (1) ES404894A1 (xx)
FR (1) FR2146297B1 (xx)
GB (1) GB1351774A (xx)
IT (1) IT962833B (xx)
NL (1) NL7209759A (xx)
ZA (1) ZA724551B (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4211847A (en) 1976-09-29 1980-07-08 W. R. Grace & Co. Polyurethane foams and foam forming compositions containing amine scavengers

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4523005A (en) * 1981-10-30 1985-06-11 Thermedics, Inc. Extrudable polyurethane for prosthetic devices prepared from a diisocyanate, a polytetramethylene ether polyol, and 1,4-butane diol
US4447590A (en) * 1981-10-30 1984-05-08 Thermo Electron Corporation Extrudable polyurethane for prosthetic devices prepared from a diisocyanate, a polytetramethylene ether polyol and 1,4 butane diol

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4211847A (en) 1976-09-29 1980-07-08 W. R. Grace & Co. Polyurethane foams and foam forming compositions containing amine scavengers

Also Published As

Publication number Publication date
FR2146297A1 (xx) 1973-03-02
ZA724551B (en) 1973-03-28
AU4423772A (en) 1974-01-10
NL7209759A (xx) 1973-01-18
GB1351774A (en) 1974-05-01
AU470082B2 (en) 1976-03-04
BE786330A (fr) 1973-01-15
ES404894A1 (es) 1975-06-16
FR2146297B1 (xx) 1976-08-06
IT962833B (it) 1973-12-31

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Legal Events

Date Code Title Description
OD Request for examination
8131 Rejection