GB1515523A - Process for the production of polyisocyanates - Google Patents

Process for the production of polyisocyanates

Info

Publication number
GB1515523A
GB1515523A GB3078875A GB3078875A GB1515523A GB 1515523 A GB1515523 A GB 1515523A GB 3078875 A GB3078875 A GB 3078875A GB 3078875 A GB3078875 A GB 3078875A GB 1515523 A GB1515523 A GB 1515523A
Authority
GB
United Kingdom
Prior art keywords
carbodiimide
weight
group content
july
prepared
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
GB3078875A
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.)
Bayer AG
Original Assignee
Bayer AG
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 filed Critical Bayer AG
Publication of GB1515523A publication Critical patent/GB1515523A/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
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78—Nitrogen
    • C08G18/7806—Nitrogen containing -N-C=0 groups
    • C08G18/7818—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups
    • 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
    • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78—Nitrogen
    • C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
    • C08G18/797—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing carbodiimide and/or uretone-imine groups
    • 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
    • C08G18/83—Chemically modified polymers
    • C08G18/831—Chemically modified polymers by oxygen-containing compounds inclusive of carbonic acid halogenides, carboxylic acid halogenides and epoxy halides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Paints Or Removers (AREA)

Abstract

1515523 Modified isocyanates BAYER AG 23 July 1975 [30 July 1974] 30788/75 Heading C2C [Also in Division C3] Modified isocyanates, which suitably have an NCO group content of 0À5 to 25% by weight, an acyl urea group content of 0À5 to 50% by weight and a carbodiimide group content of 0 to 25% by weight, may be prepared by reacting a compound containing isocyanate and carbodiimide groups with a carboxylic acid in amounts such that there are 0À2 to 1À2 gram equivalents of carboxyl groups present per gram equivalent of carbodiimide groups initially present. The compound containing isocyanate and carbodiimide groups may be one obtained by subjecting a polyisocyanate, which may be a polyurethane prepolymer, to partial carbodiimide formation. Particularly preferred carboxylic acids are aliphatic carboxylic acids containing 1 to 18 carbon atoms. Polyurethanes may be prepared from the modified polyisocyanates by conventional means.
GB3078875A 1974-07-30 1975-07-23 Process for the production of polyisocyanates Expired GB1515523A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742436741 DE2436741A1 (en) 1974-07-30 1974-07-30 METHOD FOR PREPARING MODIFIED POLYISOCYANATE

Publications (1)

Publication Number Publication Date
GB1515523A true GB1515523A (en) 1978-06-28

Family

ID=5921961

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3078875A Expired GB1515523A (en) 1974-07-30 1975-07-23 Process for the production of polyisocyanates

Country Status (7)

Country Link
JP (1) JPS5137996A (en)
BE (1) BE831844A (en)
DE (1) DE2436741A1 (en)
FR (1) FR2280662A1 (en)
GB (1) GB1515523A (en)
IT (1) IT1041044B (en)
NL (1) NL7508984A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0032011B1 (en) * 1980-01-02 1984-08-22 Imperial Chemical Industries Plc Modified isocyanate compositions
FR2864534A1 (en) * 2003-12-24 2005-07-01 Rhodia Chimie Sa Low viscosity, acylurea-containing polyisocyanate composition production, for use e.g. in production of coatings, by reacting polyisocyanate composition with strong and medium strength acids
US12017977B2 (en) 2018-03-12 2024-06-25 Nisshinbo Chemical Inc. Method for producing carbodiimide compound

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS506819A (en) * 1973-06-01 1975-01-24
JPS5250308B2 (en) * 1974-01-18 1977-12-23
DE2714293A1 (en) * 1977-03-31 1978-10-05 Bayer Ag POLYHYDROXYL COMPOUNDS CONTAINING ACYLIC URBAN GROUPS
JPS5771477A (en) * 1980-10-20 1982-05-04 Nippon Ester Co Ltd Treating agent of synthetic fiber for padding
DE3438563A1 (en) * 1984-10-20 1986-04-24 Bayer Ag, 5090 Leverkusen AQUEOUS SOLUTIONS OR DISPERSIONS OF POLYISOCYANATE ADDITION PRODUCTS, A METHOD FOR THE PRODUCTION THEREOF, AND THEIR USE AS A COATING OR SIZING AGENT FOR PAPER
DE3816118A1 (en) * 1988-05-11 1989-11-23 Bayer Ag STABILIZED POLYISOCYANATE
JP4597316B2 (en) 2000-05-31 2010-12-15 東レ・ダウコーニング株式会社 Synthetic fiber treatment agent composition
KR20200130300A (en) 2018-03-12 2020-11-18 닛신보 케미칼 가부시키가이샤 Method for producing carbodiimide compound

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0032011B1 (en) * 1980-01-02 1984-08-22 Imperial Chemical Industries Plc Modified isocyanate compositions
FR2864534A1 (en) * 2003-12-24 2005-07-01 Rhodia Chimie Sa Low viscosity, acylurea-containing polyisocyanate composition production, for use e.g. in production of coatings, by reacting polyisocyanate composition with strong and medium strength acids
WO2005070882A2 (en) * 2003-12-24 2005-08-04 Rhodia Chimie Synthesis of acylureas and composition comprising acylureas
WO2005070882A3 (en) * 2003-12-24 2006-03-09 Rhodia Chimie Sa Synthesis of acylureas and composition comprising acylureas
KR100774086B1 (en) * 2003-12-24 2007-11-06 로디아 쉬미 Synthesis of Acylureas and Composition Comprising Acylureas
US8158817B2 (en) 2003-12-24 2012-04-17 Perstorp France Synthesis of acylureas and composition comprising acylureas
US12017977B2 (en) 2018-03-12 2024-06-25 Nisshinbo Chemical Inc. Method for producing carbodiimide compound

Also Published As

Publication number Publication date
IT1041044B (en) 1980-01-10
FR2280662A1 (en) 1976-02-27
BE831844A (en) 1976-01-29
FR2280662B1 (en) 1978-12-29
JPS5137996A (en) 1976-03-30
NL7508984A (en) 1976-02-03
DE2436741A1 (en) 1976-02-12

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee