GB1043672A - Biuret polyisocyanates and production thereof - Google Patents

Biuret polyisocyanates and production thereof

Info

Publication number
GB1043672A
GB1043672A GB2482263A GB2482263A GB1043672A GB 1043672 A GB1043672 A GB 1043672A GB 2482263 A GB2482263 A GB 2482263A GB 2482263 A GB2482263 A GB 2482263A GB 1043672 A GB1043672 A GB 1043672A
Authority
GB
United Kingdom
Prior art keywords
nco
hydrogen
grouping
reacting
molecule
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
GB2482263A
Other languages
English (en)
Inventor
Hans-Georg Schmelzer
Kuno Wagner
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 GB1043672A publication Critical patent/GB1043672A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • C07C273/1872—Preparation of compounds comprising a -N-C(O)-N-C(O)-N- moiety
    • 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB2482263A 1962-06-27 1963-06-21 Biuret polyisocyanates and production thereof Expired GB1043672A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF37173A DE1165580B (de) 1962-06-27 1962-06-27 Verfahren zur Herstellung von Polyisocyanaten mit Biuret-Struktur

Publications (1)

Publication Number Publication Date
GB1043672A true GB1043672A (en) 1966-09-21

Family

ID=7096769

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2482263A Expired GB1043672A (en) 1962-06-27 1963-06-21 Biuret polyisocyanates and production thereof

Country Status (4)

Country Link
BE (1) BE633862A (xx)
DE (1) DE1165580B (xx)
GB (1) GB1043672A (xx)
NL (1) NL294647A (xx)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4320068A (en) 1980-02-29 1982-03-16 Bayer Aktiengesellschaft Process for the production of polyisocyanates having a biuret structure
US4373080A (en) 1978-12-30 1983-02-08 Bayer Aktiengesellschaft Polyisocyanates, preparation and use thereof
US4613686A (en) * 1984-01-31 1986-09-23 Bayer Aktiengesellschaft Process for the preparation of polyisocyanates with biuret structure
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
CN115925580A (zh) * 2022-11-22 2023-04-07 宁夏瑞泰科技股份有限公司 资源化利用hdi精馏残渣的方法及缩二脲多异氰酸酯

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2308015B2 (de) * 1973-02-17 1980-07-31 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Polyisocyanaten mit Biuretstruktur

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL238495A (xx) * 1958-04-24

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4373080A (en) 1978-12-30 1983-02-08 Bayer Aktiengesellschaft Polyisocyanates, preparation and use thereof
US4320068A (en) 1980-02-29 1982-03-16 Bayer Aktiengesellschaft Process for the production of polyisocyanates having a biuret structure
US4613686A (en) * 1984-01-31 1986-09-23 Bayer Aktiengesellschaft Process for the preparation of polyisocyanates with biuret structure
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
CN115925580A (zh) * 2022-11-22 2023-04-07 宁夏瑞泰科技股份有限公司 资源化利用hdi精馏残渣的方法及缩二脲多异氰酸酯
CN115925580B (zh) * 2022-11-22 2024-06-07 宁夏瑞泰科技股份有限公司 资源化利用hdi精馏残渣的方法及缩二脲多异氰酸酯

Also Published As

Publication number Publication date
NL294647A (xx)
BE633862A (xx)
DE1165580B (de) 1964-03-19

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