ES439879A1 - Procedimiento para preparar composiciones de poliisocianatosestabilizadas contra la inversion monomerica. - Google Patents
Procedimiento para preparar composiciones de poliisocianatosestabilizadas contra la inversion monomerica.Info
- Publication number
- ES439879A1 ES439879A1 ES439879A ES439879A ES439879A1 ES 439879 A1 ES439879 A1 ES 439879A1 ES 439879 A ES439879 A ES 439879A ES 439879 A ES439879 A ES 439879A ES 439879 A1 ES439879 A1 ES 439879A1
- Authority
- ES
- Spain
- Prior art keywords
- compounds
- formylurea
- formic acid
- polyisocyanate mixture
- stabilised against
- 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
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)
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 |
---|---|
ES439879A1 true ES439879A1 (es) | 1977-03-01 |
Family
ID=5922193
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES439879A Expired ES439879A1 (es) | 1974-08-01 | 1975-07-31 | Procedimiento para preparar composiciones de poliisocianatosestabilizadas contra la inversion monomerica. |
Country Status (13)
Country | Link |
---|---|
JP (1) | JPS5152124A (es) |
AU (1) | AU8351475A (es) |
BE (1) | BE831911A (es) |
BR (1) | BR7504922A (es) |
DE (1) | DE2437130A1 (es) |
DK (1) | DK348975A (es) |
ES (1) | ES439879A1 (es) |
FR (1) | FR2280682A1 (es) |
GB (1) | GB1460685A (es) |
IE (1) | IE41439B1 (es) |
LU (1) | LU73105A1 (es) |
NL (1) | NL7509158A (es) |
SE (1) | SE7508691L (es) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN115304515A (zh) * | 2022-07-04 | 2022-11-08 | 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 |
Families Citing this family (5)
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 |
-
1974
- 1974-08-01 DE DE19742437130 patent/DE2437130A1/de active Pending
-
1975
- 1975-07-29 GB GB3168075A patent/GB1460685A/en not_active Expired
- 1975-07-30 BE BE158760A patent/BE831911A/xx unknown
- 1975-07-30 LU LU73105A patent/LU73105A1/xx unknown
- 1975-07-30 AU AU83514/75A patent/AU8351475A/en not_active Expired
- 1975-07-31 IE IE171475A patent/IE41439B1/en unknown
- 1975-07-31 DK DK348975A patent/DK348975A/da unknown
- 1975-07-31 ES ES439879A patent/ES439879A1/es not_active Expired
- 1975-07-31 NL NL7509158A patent/NL7509158A/xx unknown
- 1975-07-31 SE SE7508691A patent/SE7508691L/ not_active Application Discontinuation
- 1975-08-01 JP JP50093265A patent/JPS5152124A/ja active Pending
- 1975-08-01 BR BR7504922A patent/BR7504922A/pt unknown
- 1975-08-01 FR FR7524175A patent/FR2280682A1/fr active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115304515A (zh) * | 2022-07-04 | 2022-11-08 | 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 |
---|---|
GB1460685A (en) | 1977-01-06 |
FR2280682A1 (fr) | 1976-02-27 |
NL7509158A (nl) | 1976-02-03 |
DE2437130A1 (de) | 1976-02-12 |
BE831911A (fr) | 1976-01-30 |
SE7508691L (sv) | 1976-02-02 |
IE41439B1 (en) | 1980-01-02 |
IE41439L (en) | 1976-02-01 |
FR2280682B3 (es) | 1978-03-17 |
BR7504922A (pt) | 1976-08-03 |
LU73105A1 (es) | 1976-05-31 |
DK348975A (da) | 1976-02-02 |
JPS5152124A (en) | 1976-05-08 |
AU8351475A (en) | 1977-02-03 |
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