SG11202002749QA - Light color modified isocyanate mixture and preparation method therefor - Google Patents
Light color modified isocyanate mixture and preparation method thereforInfo
- Publication number
- SG11202002749QA SG11202002749QA SG11202002749QA SG11202002749QA SG11202002749QA SG 11202002749Q A SG11202002749Q A SG 11202002749QA SG 11202002749Q A SG11202002749Q A SG 11202002749QA SG 11202002749Q A SG11202002749Q A SG 11202002749QA SG 11202002749Q A SG11202002749Q A SG 11202002749QA
- Authority
- SG
- Singapore
- Prior art keywords
- preparation
- light color
- method therefor
- modified isocyanate
- isocyanate mixture
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C265/00—Derivatives of isocyanic acid
- C07C265/14—Derivatives of isocyanic acid containing at least two isocyanate groups bound to the same carbon skeleton
-
- 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
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/18—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C267/00—Carbodiimides
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D229/00—Heterocyclic compounds containing rings of less than five members having two nitrogen atoms as the only ring hetero atoms
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710981296.3A CN107879951B (en) | 2017-10-20 | 2017-10-20 | light-colored modified isocyanate mixture and preparation method thereof |
| PCT/CN2018/098253 WO2019076099A1 (en) | 2017-10-20 | 2018-08-02 | Light color modified isocyanate mixture and preparation method therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG11202002749QA true SG11202002749QA (en) | 2020-04-29 |
Family
ID=61781712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG11202002749QA SG11202002749QA (en) | 2017-10-20 | 2018-08-02 | Light color modified isocyanate mixture and preparation method therefor |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US11034651B2 (en) |
| EP (1) | EP3699169B1 (en) |
| JP (1) | JP7060697B2 (en) |
| CN (1) | CN107879951B (en) |
| ES (1) | ES2956043T3 (en) |
| HU (1) | HUE062951T2 (en) |
| PT (1) | PT3699169T (en) |
| SG (1) | SG11202002749QA (en) |
| WO (1) | WO2019076099A1 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103797633B (en) * | 2012-02-28 | 2016-09-07 | 长野自动机械株式会社 | Manufacture device and the method for electrode body |
| CN107879951B (en) * | 2017-10-20 | 2020-01-31 | 万华化学集团股份有限公司 | light-colored modified isocyanate mixture and preparation method thereof |
| CN108586706B (en) * | 2018-04-18 | 2021-06-29 | 万华化学集团股份有限公司 | Process for preparing modified isocyanate mixtures containing carbodiimide and/or uretonimine derivatives |
| CN110372846B (en) * | 2019-07-15 | 2021-06-25 | 万华化学集团股份有限公司 | Preparation method of polyisocyanate with stable color value and containing uretdione group |
| CN110396057B (en) * | 2019-07-16 | 2022-02-18 | 万华化学集团股份有限公司 | Method for preparing isocyanate with low chlorine content |
| CN111747867B (en) * | 2020-06-28 | 2022-08-02 | 万华化学（宁波）有限公司 | Preparation method of low-color-number low-VOC (volatile organic compounds) modified isocyanate |
| CN114112965B (en) * | 2020-08-31 | 2024-04-09 | 万华化学集团股份有限公司 | Method for detecting trace moisture in isocyanate and application of method in online monitoring |
| CN112574068A (en) * | 2020-11-17 | 2021-03-30 | 万华化学（宁波）有限公司 | Preparation method of carbodiimide modified isocyanate with low color number and high stability |
| CN115650880A (en) * | 2022-11-03 | 2023-01-31 | 万华化学（宁波）有限公司 | Recycling method of MDI with over-shelf life, method for preparing carbodiimide modified isocyanate from MDI with over-shelf life and product |
| CN116283666A (en) * | 2023-02-15 | 2023-06-23 | 万华生态科技有限公司 | Preparation method of high-purity 4,4' -diphenylmethane diisocyanate |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2663737A (en) | 1951-08-07 | 1953-12-22 | Du Pont | Substituted phosphacyclopentene oxides and process of preparing them |
| US2853473A (en) | 1956-08-27 | 1958-09-23 | Du Pont | Production of carbodiimides |
| DE2537685C2 (en) | 1975-08-23 | 1989-04-06 | Bayer Ag, 5090 Leverkusen | Process for the partial carbodiimidization of the isocyanate groups of organic polyisocyanates |
| DE2606419A1 (en) | 1976-02-18 | 1977-08-25 | Basf Ag | STORAGE-STABLE, LIQUID POLYISOCYANATE CONTAINING CARBODIIMIDE GROUPS AND METHOD FOR THEIR MANUFACTURING |
| JPS6054951B2 (en) * | 1978-01-25 | 1985-12-03 | 日本ポリウレタン工業株式会社 | Partial carbodiimidization method of isocyanate groups of organic isocyanates |
| DE4117384A1 (en) * | 1991-05-28 | 1992-12-03 | Bayer Ag | METHOD FOR THE PRODUCTION OF LIQUID, STORAGE-STABLE CARBODIIMIDE AND / OR URETONIMIN GROUPS HAVING ORGANIC ISOCYANATES, AND THE USE THEREOF FOR THE PRODUCTION OF POLYURETHANE PLASTICS |
| US6120699A (en) | 1998-09-21 | 2000-09-19 | Basf Corporation | Storage stable methylene bis(phenylisocyanate) compositions |
| DE10254878A1 (en) * | 2002-11-25 | 2004-06-03 | Bayer Ag | Production of polyisocyanates containing uretdione groups |
| US7030274B2 (en) * | 2004-06-17 | 2006-04-18 | Bayer Materialscience Llc | Process for the production of carbodiimide modified organic isocyanates |
| DE102004033849A1 (en) | 2004-07-13 | 2006-02-16 | Bayer Materialscience Ag | Process for the preparation of liquid, storage-stable carbodiimide and / or uretonimine containing organic isocyanates having a low color number |
| US20080200619A1 (en) * | 2005-07-07 | 2008-08-21 | Huntsman International Llc | Method for Producing a Storage-Stable and Colorless Liquid Polyisocyanate Composition Possessing Carbodiimide and/or Uretonimine Groups |
| CN1789241B (en) * | 2005-12-12 | 2010-09-29 | 拜尔材料科学股份公司 | Process for preparing liquid, storage-stable, low-color-index organic isocyanates containing carbodiimide and/or uretonimine groups |
| DE102006000833A1 (en) * | 2006-01-05 | 2007-07-12 | Bayer Materialscience Ag | Process for the preparation of liquid, storage stable carbodiimide and / or uretonimine containing organic isocyanates |
| DE102006002158A1 (en) * | 2006-01-17 | 2007-07-19 | Bayer Materialscience Ag | Process for the preparation of liquid, storage-stable carbodiimide and / or uretonimine containing organic isocyanates |
| US7790907B2 (en) * | 2006-07-21 | 2010-09-07 | Basf Corporation | Method of producing a uretonimine-modified isocyanate composition |
| JP5041794B2 (en) * | 2006-12-07 | 2012-10-03 | 住化バイエルウレタン株式会社 | Process for producing modified polyisocyanate |
| AU2011234810B2 (en) * | 2010-03-30 | 2013-08-22 | Huntsman International Llc | Method to produce uretonimine-modified isocyanate composition |
| CN102718683B (en) * | 2012-06-05 | 2014-08-06 | 万华化学集团股份有限公司 | Method for preparing low-chromatic number isocyanate and isocyanate prepared by same |
| CN102964566B (en) * | 2012-11-08 | 2014-05-21 | 万华化学集团股份有限公司 | Method for preparing polyisocyanate containing formimidoyl oxadiazine diketone |
| US9988481B2 (en) * | 2014-09-04 | 2018-06-05 | Asahi Kasei Kabushiki Kaisha | Polyisocyanate composition, coating composition, coating film and method for producing same, and humidity stabilization method |
| CN107879951B (en) * | 2017-10-20 | 2020-01-31 | 万华化学集团股份有限公司 | light-colored modified isocyanate mixture and preparation method thereof |
-
2017
- 2017-10-20 CN CN201710981296.3A patent/CN107879951B/en active Active
-
2018
- 2018-08-02 WO PCT/CN2018/098253 patent/WO2019076099A1/en unknown
- 2018-08-02 EP EP18867976.5A patent/EP3699169B1/en active Active
- 2018-08-02 ES ES18867976T patent/ES2956043T3/en active Active
- 2018-08-02 JP JP2020540662A patent/JP7060697B2/en active Active
- 2018-08-02 SG SG11202002749QA patent/SG11202002749QA/en unknown
- 2018-08-02 US US16/645,612 patent/US11034651B2/en active Active
- 2018-08-02 PT PT188679765T patent/PT3699169T/en unknown
- 2018-08-02 HU HUE18867976A patent/HUE062951T2/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN107879951B (en) | 2020-01-31 |
| HUE062951T2 (en) | 2023-12-28 |
| CN107879951A (en) | 2018-04-06 |
| JP2020536952A (en) | 2020-12-17 |
| EP3699169B1 (en) | 2023-07-26 |
| ES2956043T3 (en) | 2023-12-12 |
| EP3699169A1 (en) | 2020-08-26 |
| US20200283375A1 (en) | 2020-09-10 |
| WO2019076099A1 (en) | 2019-04-25 |
| PT3699169T (en) | 2023-09-20 |
| US11034651B2 (en) | 2021-06-15 |
| JP7060697B2 (en) | 2022-04-26 |
| EP3699169A4 (en) | 2021-07-07 |
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