BE631132A - - Google Patents

Info

Publication number: BE631132A
Authority: BE; Belgium

Application number

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.)

1965-05-17

Publication of BE631132A publication Critical patent/BE631132A/xx

Classifications

- 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
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/82—Purification; Separation; Stabilisation; Use of additives
- C07C209/84—Purification
- 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
- C07C263/20—Separation; Purification
- 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
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4825—Polyethers containing two hydroxy groups
- 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
- C08G18/721—Two or more polyisocyanates not provided for in one single group C08G18/73 - C08G18/80
- C08G18/727—Two or more polyisocyanates not provided for in one single group C08G18/73 - C08G18/80 comprising distillation residues or non-distilled raw phosgenation products
- 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
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
- C08G18/7621—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring being toluene diisocyanate including isomer mixtures
- 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
- C08G2110/00—Foam properties
- C08G2110/0025—Foam properties rigid
- 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
- C08G2110/00—Foam properties
- C08G2110/0041—Foam properties having specified density
- C08G2110/005—< 50kg/m3

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Health & Medical Sciences (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Polyurethanes Or Polyureas (AREA)

BE631132D 1965-05-17 BE631132A (de)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date
US45621565A	1965-05-17	1965-05-17
US46336065A	1965-06-11	1965-06-11
US81377169A	1969-04-04	1969-04-04

Publications (1)

Publication Number	Publication Date
BE631132A true BE631132A (de)

Family

ID=27412660

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
BE631132D BE631132A (de)	1965-05-17
BE681132D BE681132A (de)	1965-05-17	1966-05-16

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
BE681132D BE681132A (de)	1965-05-17	1966-05-16

Country Status (4)

Country	Link
US (2)	US3420752A (de)
BE (2)	BE681132A (de)
DE (1)	DE1568011A1 (de)
GB (1)	GB1133668A (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3637514A (en) *	1969-06-20	1972-01-25	Allied Chem	Vicinal toluenediamine mixtures
BE792000A (fr) *	1971-11-29	1973-03-16	Du Pont	Compositions de polyisocyanates utilisables pour la fabricationde matieres polymeres
JPS504719B2 (de) *	1972-03-18	1975-02-22
US3887502A (en) *	1972-05-12	1975-06-03	Olin Corp	Preparation of rigid polyurethane foam having improved aging properties
JPS5029464B2 (de) *	1972-11-15	1975-09-23	Sumitomo Chemical Co
US3978128A (en) *	1975-01-13	1976-08-31	General Motors Corporation	Method of recovering amines by the hydrolytic decomposition of polyurethanes
DE3607665A1 (de) *	1986-03-08	1987-09-10	Bayer Ag	Verfahren zur aufarbeitung waessriger aminloesungen
FR2777560B1 (fr) *	1998-04-17	2000-06-09	Rhodia Chimie Sa	Procede de purification de polyamines aromatiques
DE102005032430A1 (de) *	2005-07-12	2007-01-25	Bayer Materialscience Ag	Verfahren zur Herstellung von Toluylendiamin
KR101290897B1 (ko)	2005-09-22	2013-07-29	헌트스만 인터내셔날, 엘엘씨	폴리이소시아네이트의 제조 방법
EP2213649B2 (de) *	2007-11-27	2016-08-31	Mitsui Chemicals, Inc.	Verfahren zur toluylendiamindehydrierung und exsikkator
CN105503620A (zh) *	2015-12-28	2016-04-20	甘肃银光聚银化工有限公司	一种提高邻位tda纯度的方法
EP3736263A1 (de) *	2019-05-07	2020-11-11	Covestro Deutschland AG	Verfahren zur reinigung von isocyanaten
CN113735718A (zh) *	2021-09-27	2021-12-03	江苏科富恺机械设备有限公司	一种连续提纯间苯二胺的方法及***

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1918997A (en) *	1930-12-01	1933-07-18	Du Pont	Purification of arylamines
US3128310A (en) *	1955-09-09	1964-04-07	Bayer Ag	Recovery of amines
GB966812A (en) *	1962-07-02	1964-08-19	Ici Ltd	Purification of aromatic amines
US3215652A (en) *	1962-09-24	1965-11-02	Allied Chem	Process for producing a rigid polyether-polyurethane foam

0
- BE BE631132D patent/BE631132A/xx unknown
1965
- 1965-05-17 US US456215A patent/US3420752A/en not_active Expired - Lifetime
1966
- 1966-05-16 BE BE681132D patent/BE681132A/xx unknown
- 1966-05-16 GB GB21689/66A patent/GB1133668A/en not_active Expired
- 1966-05-16 DE DE19661568011 patent/DE1568011A1/de active Pending
1969
- 1969-04-04 US US813771A patent/US3522285A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
GB1133668A (en)	1968-11-13
US3522285A (en)	1970-07-28
BE681132A (de)	1966-10-31
US3420752A (en)	1969-01-07
DE1568011A1 (de)	1970-04-30

Publication	Publication Date	Title
JPS4424256Y1 (de)	1969-10-14
JPS4429189Y1 (de)	1969-12-03
JPS441209Y1 (de)	1969-01-18
JPS4819390Y1 (de)	1973-06-02
JPS453569Y1 (de)	1970-02-18
BE674568A (de)	1966-06-30
BE673690A (de)	1966-04-01
BE668558A (de)
BE674502A (de)	1966-04-15
BE673907A (de)	1966-04-15
BE674971A (de)	1966-05-03
BE673838A (de)	1966-04-15
BE674778A (de)	1966-07-06
BE674767A (de)	1966-07-05
BE671827A (de)	1966-03-01
BE674896A (de)	1966-05-03
BE669751A (de)	1966-01-17
BE685280A (de)	1967-02-09
BE668086A (de)	1965-12-01
BE666893A (de)	1965-11-03
BE681132A (de)	1966-10-31
BE674588A (de)	1966-04-15
BE671042A (de)	1966-02-14
BE664522A (de)	1965-09-16
BE674603A (de)	1966-06-30