IN2012DN06523A - - Google Patents
Download PDFInfo
- Publication number
- IN2012DN06523A IN2012DN06523A IN6523DEN2012A IN2012DN06523A IN 2012DN06523 A IN2012DN06523 A IN 2012DN06523A IN 6523DEN2012 A IN6523DEN2012 A IN 6523DEN2012A IN 2012DN06523 A IN2012DN06523 A IN 2012DN06523A
- Authority
- IN
- India
- Prior art keywords
- polyisocyanate
- solvent
- polyamine
- recovering
- evaporation
- Prior art date
Links
- 229920001228 polyisocyanate Polymers 0.000 abstract 4
- 239000005056 polyisocyanate Substances 0.000 abstract 4
- 239000002904 solvent Substances 0.000 abstract 3
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 abstract 2
- 230000008020 evaporation Effects 0.000 abstract 2
- 238000001704 evaporation Methods 0.000 abstract 2
- 239000012442 inert solvent Substances 0.000 abstract 2
- 239000012948 isocyanate Substances 0.000 abstract 2
- 150000002513 isocyanates Chemical class 0.000 abstract 2
- 229920000768 polyamine Polymers 0.000 abstract 2
- 239000011541 reaction mixture Substances 0.000 abstract 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 230000005494 condensation Effects 0.000 abstract 1
- 238000009833 condensation Methods 0.000 abstract 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 abstract 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
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
- C08G18/02—Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C233/00—Carboxylic acid amides
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/10—Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyurethanes Or Polyureas (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2004/024071 WO2006022641A1 (en) | 2004-07-28 | 2004-07-28 | Process for the production of polyisocyanates |
Publications (1)
Publication Number | Publication Date |
---|---|
IN2012DN06523A true IN2012DN06523A (enrdf_load_html_response) | 2015-10-09 |
Family
ID=35967753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN6523DEN2012 IN2012DN06523A (enrdf_load_html_response) | 2004-07-28 | 2004-07-28 |
Country Status (10)
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080249202A1 (en) | 2005-09-22 | 2008-10-09 | Huntsman Internationl Llc | Method for the Production of Polyisocyanates |
DE102006022448A1 (de) * | 2006-05-13 | 2007-11-15 | Bayer Materialscience Ag | Verfahren zur Herstellung von Isocyanaten |
EP2042485A1 (en) * | 2007-09-28 | 2009-04-01 | Huntsman International Llc | Process for fractionating a mixture of polyisocyanates |
KR102209958B1 (ko) * | 2012-10-24 | 2021-02-01 | 바스프 에스이 | 액상으로의 아민의 포스겐화에 의한 이소시아네이트의 제조 방법 |
CN105037672B (zh) * | 2015-08-27 | 2017-08-25 | 厦门大学 | 一种异氰酸酯微孔聚合物材料及其制备方法与应用 |
WO2019235862A1 (ko) * | 2018-06-07 | 2019-12-12 | 우리화인켐 주식회사 | 디이소시아네이트 및 광학 렌즈의 제조방법 |
US12071394B2 (en) | 2018-10-31 | 2024-08-27 | Dow Global Technologies Llc | Method for removing monoisocyanates from organic solution |
JP7443364B2 (ja) * | 2018-12-07 | 2024-03-05 | ダウ グローバル テクノロジーズ エルエルシー | モノイソシアネートを尿素に変換するための方法 |
US12030836B2 (en) * | 2019-02-07 | 2024-07-09 | Dow Global Technologies Llc | Phenyl isocyanate conversion process |
EP3750868A1 (de) * | 2019-06-11 | 2020-12-16 | Covestro Deutschland AG | Verfahren zur herstellung einer amin-hydrochlorid-suspension |
WO2022077429A1 (zh) * | 2020-10-16 | 2022-04-21 | 万华化学集团股份有限公司 | 光气化反应生产中的循环溶剂及其除杂方法 |
CN114380714B (zh) * | 2020-10-16 | 2023-08-11 | 万华化学集团股份有限公司 | 光气化反应生产中的循环溶剂及其除杂方法 |
WO2025065227A1 (zh) * | 2023-09-26 | 2025-04-03 | 万华化学(宁波)有限公司 | 一种异氰酸苯酯副产物的处理方法及其应用 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1112243A (en) * | 1978-09-08 | 1981-11-10 | Manfred Bock | Process for the preparation of polyisocyanates containing isocyanurate groups and the use thereof |
DE3129270A1 (de) * | 1981-07-24 | 1983-02-10 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von polyisocyanaten |
CN1258306A (zh) * | 1997-04-01 | 2000-06-28 | 亨茨曼Ici化学品有限公司 | 多异氰酸酯基气凝胶 |
JP2001516392A (ja) * | 1997-04-01 | 2001-09-25 | ハンツマン・アイシーアイ・ケミカルズ・エルエルシー | ポリイソシアネート基体のキセロゲル |
-
2004
- 2004-07-28 JP JP2007523515A patent/JP2008508269A/ja active Pending
- 2004-07-28 CA CA2574024A patent/CA2574024C/en not_active Expired - Fee Related
- 2004-07-28 BR BRPI0418975-2A patent/BRPI0418975B1/pt not_active IP Right Cessation
- 2004-07-28 WO PCT/US2004/024071 patent/WO2006022641A1/en active Application Filing
- 2004-07-28 ES ES04757298T patent/ES2394493T3/es not_active Expired - Lifetime
- 2004-07-28 PT PT04757298T patent/PT1773755E/pt unknown
- 2004-07-28 KR KR1020077002049A patent/KR101084850B1/ko not_active Expired - Fee Related
- 2004-07-28 CN CNB2004800437041A patent/CN100548971C/zh not_active Expired - Fee Related
- 2004-07-28 IN IN6523DEN2012 patent/IN2012DN06523A/en unknown
- 2004-07-28 EP EP04757298A patent/EP1773755B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
BRPI0418975A (pt) | 2007-12-11 |
CN100548971C (zh) | 2009-10-14 |
JP2008508269A (ja) | 2008-03-21 |
PT1773755E (pt) | 2012-11-15 |
CN1993315A (zh) | 2007-07-04 |
BRPI0418975B1 (pt) | 2015-07-28 |
ES2394493T3 (es) | 2013-02-01 |
KR20070038528A (ko) | 2007-04-10 |
EP1773755B1 (en) | 2012-10-31 |
EP1773755A1 (en) | 2007-04-18 |
KR101084850B1 (ko) | 2011-11-21 |
WO2006022641A1 (en) | 2006-03-02 |
CA2574024A1 (en) | 2006-03-02 |
CA2574024C (en) | 2012-06-26 |
EP1773755A4 (en) | 2010-04-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4360878B2 (ja) | トルエンジイソシアネートの精製および製造方法 | |
EP1371636B1 (en) | Process for the purification of mixtures of toluenediisocyanate | |
EP3808732A1 (en) | Method for preparing aliphatic isocyanates | |
IN2012DN06523A (enrdf_load_html_response) | ||
JP6149115B2 (ja) | 液体相におけるアミンのホスゲン化によるイソシアネートの製造方法 | |
KR930021675A (ko) | 유기 폴리이소시아네이트의 연속적 다단계 제조방법 | |
AU2003294849A1 (en) | Method for separating out solvent from a reaction mixture resulting from an isocyanate synthesis and for purifying this solvent | |
KR20180022844A (ko) | 화학 반응을 위한 염화수소를 제공하는 방법 | |
JP2012532918A (ja) | ジフェニルメタンジイソシアネート類の明色イソシアネートの製造方法 | |
KR102839454B1 (ko) | 이소시아네이트 화합물의 제조 방법 | |
JP2012532909A (ja) | 明色ジフェニルメタンイソシアネート類の製造方法 | |
AU2003293872A1 (en) | Method for separating isocyanates out from a reaction mixture | |
CN111630028B (zh) | 制备亚甲基二亚苯基二异氰酸酯和多亚甲基多亚苯基多异氰酸酯的方法 | |
JPH0232272B2 (enrdf_load_html_response) | ||
EP2691364B1 (de) | Verfahren zur herstellung von isocyanaten | |
RU2008115525A (ru) | Способ получения полиизоцианатов | |
JP2009508904A5 (enrdf_load_html_response) | ||
US5646328A (en) | Process for removing by-products from diurethanes | |
EP1721893B1 (en) | Method for producing isocyanate compound | |
MX2023014999A (es) | Recuperacion de di- y/o poliisocianatos de los procedimientos de despolimerizacion de pu. | |
US3499021A (en) | Toluene diisocyanate process | |
KR102839457B1 (ko) | 이소시아네이트 화합물의 제조 방법 | |
KR102839458B1 (ko) | 이소시아네이트 화합물의 제조 방법 | |
KR102839455B1 (ko) | 이소시아네이트 화합물의 제조 방법 | |
KR102839456B1 (ko) | 이소시아네이트 화합물의 제조 방법 |