GB1112462A - Continuous polyurethane process - Google Patents

Continuous polyurethane process

Info

Publication number
GB1112462A
GB1112462A GB2820966A GB2820966A GB1112462A GB 1112462 A GB1112462 A GB 1112462A GB 2820966 A GB2820966 A GB 2820966A GB 2820966 A GB2820966 A GB 2820966A GB 1112462 A GB1112462 A GB 1112462A
Authority
GB
United Kingdom
Prior art keywords
acid
prepolymer
continuous polyurethane
polyurethane process
continuous
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
GB2820966A
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.)
Monsanto Co
Original Assignee
Monsanto Co
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 Monsanto Co filed Critical Monsanto Co
Publication of GB1112462A publication Critical patent/GB1112462A/en
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
    • C08G18/08—Processes
    • C08G18/0838—Manufacture of polymers in the presence of non-reactive compounds
    • C08G18/0842—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents
    • C08G18/0847—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents in the presence of solvents for the polymers
    • C08G18/0852—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents in the presence of solvents for the polymers the solvents being organic
    • 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

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)
  • Manufacturing & Machinery (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Artificial Filaments (AREA)

Abstract

Fibre-forming polyurethane elastomers are prepared by a continuous process as described and claimed in Patent No. 1,054,165, with the modification that a proportion of an acid having an ionization constant of at least 1.1 x 10-5 is added to the prepolymer or to the glycol or diisocyanate reactants from which the prepolymer is formed. The acid may be acetic, propionic, butyric, valeric, phosphoric or hydrochloric acid.
GB2820966A 1965-07-14 1966-06-23 Continuous polyurethane process Expired GB1112462A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US47531265A 1965-07-14 1965-07-14

Publications (1)

Publication Number Publication Date
GB1112462A true GB1112462A (en) 1968-05-08

Family

ID=23887031

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2820966A Expired GB1112462A (en) 1965-07-14 1966-06-23 Continuous polyurethane process

Country Status (5)

Country Link
BE (1) BE683790A (en)
DE (1) DE1645013A1 (en)
GB (1) GB1112462A (en)
LU (1) LU51393A1 (en)
NL (2) NL6609945A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5541280A (en) * 1991-06-13 1996-07-30 Asahi Kasei Kogyo Kabushiki Kaisha Linear segmented polyurethaneurea and process for production thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2409789C3 (en) * 1974-03-01 1981-08-20 Akzo Gmbh, 5600 Wuppertal Process for the production of polyurethane solutions and their application

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5541280A (en) * 1991-06-13 1996-07-30 Asahi Kasei Kogyo Kabushiki Kaisha Linear segmented polyurethaneurea and process for production thereof

Also Published As

Publication number Publication date
BE683790A (en) 1967-01-09
NL6609945A (en) 1967-01-16
DE1645013A1 (en) 1969-09-18
LU51393A1 (en) 1966-12-28
NL136656C (en)

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