BE831911A - Melange de polyisocyanate-biurets stabilise contre la degradation en monomeres - Google Patents

Melange de polyisocyanate-biurets stabilise contre la degradation en monomeres

Info

Publication number
BE831911A
BE831911A BE158760A BE158760A BE831911A BE 831911 A BE831911 A BE 831911A BE 158760 A BE158760 A BE 158760A BE 158760 A BE158760 A BE 158760A BE 831911 A BE831911 A BE 831911A
Authority
BE
Belgium
Prior art keywords
biurets
polyisocyanate
mixture
stabilized against
monomer degradation
Prior art date
Application number
BE158760A
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE831911A publication Critical patent/BE831911A/xx

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)
BE158760A 1974-08-01 1975-07-30 Melange de polyisocyanate-biurets stabilise contre la degradation en monomeres BE831911A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742437130 DE2437130A1 (de) 1974-08-01 1974-08-01 Gegen monomerenrueckspaltung stabilisiertes biuretpolyisocyanat-gemisch

Publications (1)

Publication Number Publication Date
BE831911A true BE831911A (fr) 1976-01-30

Family

ID=5922193

Family Applications (1)

Application Number Title Priority Date Filing Date
BE158760A BE831911A (fr) 1974-08-01 1975-07-30 Melange de polyisocyanate-biurets stabilise contre la degradation en monomeres

Country Status (13)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3228721A1 (de) * 1982-07-31 1984-02-02 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von modifizierten polyisocyanaten und ihre verwendung
DE3403278A1 (de) * 1984-01-31 1985-08-01 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von polyisocyanaten mit biuretstruktur
DE3742181A1 (de) * 1987-12-12 1989-06-22 Bayer Ag Verfahren zur herstellung von biuretpolyisocyanaten, die nach diesem verfahren erhaltenen verbindungen und ihre verwendung
DE10008928A1 (de) 2000-02-25 2001-08-30 Degussa Transparente oder pigmentierte Pulverlacke mit Vernetzern aus Hydroxyalkylamiden und blockierten, nicht aromatischen Polyisocyanaten
CN106084182B (zh) * 2016-06-17 2018-10-19 万华化学集团股份有限公司 一种储存稳定的缩二脲多异氰酸酯的制备方法
CN115304515B (zh) * 2022-07-04 2023-07-25 山东新和成精化科技有限公司 Hdi缩二脲的制备方法、hdi三聚体和hdi缩二脲的联产方法和联产装置
CN115024389A (zh) * 2022-07-06 2022-09-09 青岛元农生物科技有限公司 一种缓释非蛋白氮添加剂及其制备和使用方法

Also Published As

Publication number Publication date
AU8351475A (en) 1977-02-03
FR2280682A1 (fr) 1976-02-27
FR2280682B3 (pt) 1978-03-17
DE2437130A1 (de) 1976-02-12
ES439879A1 (es) 1977-03-01
LU73105A1 (pt) 1976-05-31
IE41439B1 (en) 1980-01-02
DK348975A (da) 1976-02-02
NL7509158A (nl) 1976-02-03
GB1460685A (en) 1977-01-06
IE41439L (en) 1976-02-01
SE7508691L (sv) 1976-02-02
JPS5152124A (en) 1976-05-08
BR7504922A (pt) 1976-08-03

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