GB1192121A - Purification of Polyamines Formed by Aniline-Formaldehyde Condensation - Google Patents

Purification of Polyamines Formed by Aniline-Formaldehyde Condensation

Info

Publication number
GB1192121A
GB1192121A GB1301168A GB1301168A GB1192121A GB 1192121 A GB1192121 A GB 1192121A GB 1301168 A GB1301168 A GB 1301168A GB 1301168 A GB1301168 A GB 1301168A GB 1192121 A GB1192121 A GB 1192121A
Authority
GB
United Kingdom
Prior art keywords
aniline
formaldehyde condensation
purification
polyamines formed
condensation products
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
Application number
GB1301168A
Inventor
Andrew John Nicholas
Harry James Twitchett
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB1301168A priority Critical patent/GB1192121A/en
Priority to DE19691913473 priority patent/DE1913473A1/en
Priority to NL6904117A priority patent/NL6904117A/xx
Publication of GB1192121A publication Critical patent/GB1192121A/en
Expired legal-status Critical Current

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
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups

Abstract

1,192,121. Purifying aniline-formaldehyde condensation products. IMPERIAL CHEMICAL INDUSTRIES Ltd. 12 Feb., 1969 [18 March, 1968], No. 13011/68. Heading C2C. Aniline-formaldehyde condensation products are purified by dissolving them completely in a halogenated benzene and cooling and (or) diluting the solution to precipitate impurities. Examples are given.
GB1301168A 1968-03-18 1968-03-18 Purification of Polyamines Formed by Aniline-Formaldehyde Condensation Expired GB1192121A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1301168A GB1192121A (en) 1968-03-18 1968-03-18 Purification of Polyamines Formed by Aniline-Formaldehyde Condensation
DE19691913473 DE1913473A1 (en) 1968-03-18 1969-03-17 Purification of polyamines prepd by condensn of
NL6904117A NL6904117A (en) 1968-03-18 1969-03-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1301168A GB1192121A (en) 1968-03-18 1968-03-18 Purification of Polyamines Formed by Aniline-Formaldehyde Condensation

Publications (1)

Publication Number Publication Date
GB1192121A true GB1192121A (en) 1970-05-20

Family

ID=10015196

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1301168A Expired GB1192121A (en) 1968-03-18 1968-03-18 Purification of Polyamines Formed by Aniline-Formaldehyde Condensation

Country Status (3)

Country Link
DE (1) DE1913473A1 (en)
GB (1) GB1192121A (en)
NL (1) NL6904117A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4450030A (en) * 1980-11-21 1984-05-22 Loctite Corporation Adhesive bonding method employing two-part composition with activator enriched with dihydropyridine ingredients
US20100105951A1 (en) * 2007-01-08 2010-04-29 Basf Se Process for preparing diphenylmethanediamine
US8557949B2 (en) 2007-09-19 2013-10-15 Huntsman International Llc Process for production of di- and polyamines of the diphenylmethane series
US9217054B2 (en) 2007-09-19 2015-12-22 Huntsman International Llc Process for production of di- and polyamines of the diphenylmethane series

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4450030A (en) * 1980-11-21 1984-05-22 Loctite Corporation Adhesive bonding method employing two-part composition with activator enriched with dihydropyridine ingredients
US20100105951A1 (en) * 2007-01-08 2010-04-29 Basf Se Process for preparing diphenylmethanediamine
JP2010515667A (en) * 2007-01-08 2010-05-13 ビーエーエスエフ ソシエタス・ヨーロピア Method for producing diphenylmethanediamine
US8329951B2 (en) * 2007-01-08 2012-12-11 Basf Se Process for preparing diphenylmethanediamine
US8557949B2 (en) 2007-09-19 2013-10-15 Huntsman International Llc Process for production of di- and polyamines of the diphenylmethane series
US9217054B2 (en) 2007-09-19 2015-12-22 Huntsman International Llc Process for production of di- and polyamines of the diphenylmethane series

Also Published As

Publication number Publication date
NL6904117A (en) 1969-09-22
DE1913473A1 (en) 1970-09-24

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees