GB1460685A - Biuret polyisocyanate mixture stabilised against monomer reversion - Google Patents

Biuret polyisocyanate mixture stabilised against monomer reversion

Info

Publication number
GB1460685A
GB1460685A GB3168075A GB3168075A GB1460685A GB 1460685 A GB1460685 A GB 1460685A GB 3168075 A GB3168075 A GB 3168075A GB 3168075 A GB3168075 A GB 3168075A GB 1460685 A GB1460685 A GB 1460685A
Authority
GB
United Kingdom
Prior art keywords
polyisocyanate mixture
reversion
stabilised against
biuret polyisocyanate
against monomer
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
GB3168075A
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 GB1460685A publication Critical patent/GB1460685A/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
    • C08G18/80—Masked polyisocyanates
    • C08G18/8061—Masked polyisocyanates masked with compounds having only one group containing active hydrogen
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/18—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas
    • C07C273/189—Purification, separation, stabilisation, use of additives
    • 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
    • C08G18/7831—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups containing biuret groups

Landscapes

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

Abstract

1460685 Polyurethanes BAYER AG 29 July 1975 [1 Aug 1974] 31680/75 Heading C3R [Also in Division C2] Polyurethanes are obtained by the polyaddition reaction of at least one polyol and a polyisocyanate mixture stabilized against mono - mer reversion and based on tris-(isocyanatohexyl)-biuret and its higher homologues, containing from 1 to 36% by weight, based on the polyisocyanate mixture, of N-formyl urea groups of the formula
GB3168075A 1974-08-01 1975-07-29 Biuret polyisocyanate mixture stabilised against monomer reversion Expired GB1460685A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742437130 DE2437130A1 (en) 1974-08-01 1974-08-01 AGAINST MONOMER REPLACEMENT, STABILIZED BIURET POLYISOCYANATE MIXTURE

Publications (1)

Publication Number Publication Date
GB1460685A true GB1460685A (en) 1977-01-06

Family

ID=5922193

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3168075A Expired GB1460685A (en) 1974-08-01 1975-07-29 Biuret polyisocyanate mixture stabilised against monomer reversion

Country Status (13)

Country Link
JP (1) JPS5152124A (en)
AU (1) AU8351475A (en)
BE (1) BE831911A (en)
BR (1) BR7504922A (en)
DE (1) DE2437130A1 (en)
DK (1) DK348975A (en)
ES (1) ES439879A1 (en)
FR (1) FR2280682A1 (en)
GB (1) GB1460685A (en)
IE (1) IE41439B1 (en)
LU (1) LU73105A1 (en)
NL (1) NL7509158A (en)
SE (1) SE7508691L (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2124640A (en) * 1982-07-31 1984-02-22 Bayer Ag Process for the production of modified polyisocyanates and the use thereof
US4625052A (en) * 1984-01-31 1986-11-25 Bayer Aktiengesellschaft Process for the production of polyisocyanates which have a biuret structure
US4980500A (en) * 1987-12-12 1990-12-25 Bayer Aktiengesellschaft Process for the preparation of biuret polyisocyanates, the compounds obtained by this process and their use
CN106084182A (en) * 2016-06-17 2016-11-09 万华化学集团股份有限公司 A kind of preparation method of the biuret polyisocyanate of stable storing

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10008928A1 (en) 2000-02-25 2001-08-30 Degussa Transparent or pigmented powder coatings with crosslinkers made from hydroxyalkylamides and blocked, non-aromatic polyisocyanates
CN115304515B (en) * 2022-07-04 2023-07-25 山东新和成精化科技有限公司 Preparation method of HDI biuret, combined production method and combined production device of HDI trimer and HDI biuret
CN115024389A (en) * 2022-07-06 2022-09-09 青岛元农生物科技有限公司 Slow-release non-protein nitrogen additive and preparation and use methods thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2124640A (en) * 1982-07-31 1984-02-22 Bayer Ag Process for the production of modified polyisocyanates and the use thereof
US4625052A (en) * 1984-01-31 1986-11-25 Bayer Aktiengesellschaft Process for the production of polyisocyanates which have a biuret structure
US4980500A (en) * 1987-12-12 1990-12-25 Bayer Aktiengesellschaft Process for the preparation of biuret polyisocyanates, the compounds obtained by this process and their use
CN106084182A (en) * 2016-06-17 2016-11-09 万华化学集团股份有限公司 A kind of preparation method of the biuret polyisocyanate of stable storing

Also Published As

Publication number Publication date
AU8351475A (en) 1977-02-03
BE831911A (en) 1976-01-30
FR2280682A1 (en) 1976-02-27
FR2280682B3 (en) 1978-03-17
DE2437130A1 (en) 1976-02-12
ES439879A1 (en) 1977-03-01
LU73105A1 (en) 1976-05-31
IE41439B1 (en) 1980-01-02
DK348975A (en) 1976-02-02
NL7509158A (en) 1976-02-03
IE41439L (en) 1976-02-01
SE7508691L (en) 1976-02-02
JPS5152124A (en) 1976-05-08
BR7504922A (en) 1976-08-03

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Legal Events

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