IT7824766A0 - Processo per la preparazione disoluzioni acquose ad alta concentrazione di sali di acido dicarbossilico e diamina e precondensati poliamidici e loro uso. - Google Patents

Processo per la preparazione disoluzioni acquose ad alta concentrazione di sali di acido dicarbossilico e diamina e precondensati poliamidici e loro uso.

Info

Publication number
IT7824766A0
IT7824766A0 IT7824766A IT2476678A IT7824766A0 IT 7824766 A0 IT7824766 A0 IT 7824766A0 IT 7824766 A IT7824766 A IT 7824766A IT 2476678 A IT2476678 A IT 2476678A IT 7824766 A0 IT7824766 A0 IT 7824766A0
Authority
IT
Italy
Prior art keywords
preparation
dicarboxylic acid
high concentration
aqueous solutions
concentration aqueous
Prior art date
Application number
IT7824766A
Other languages
English (en)
Other versions
IT1096586B (it
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Publication of IT7824766A0 publication Critical patent/IT7824766A0/it
Application granted granted Critical
Publication of IT1096586B publication Critical patent/IT1096586B/it

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
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
    • C08G69/28—Preparatory processes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/41—Preparation of salts of carboxylic acids
    • C07C51/412—Preparation of salts of carboxylic acids by conversion of the acids, their salts, esters or anhydrides with the same carboxylic acid part

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Polyamides (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT24766/78A 1977-06-27 1978-06-20 Processo per la preparazione di soluzioni acquose ad alta concentrazione di sali di acido dicarbossilibo e diamina e precondensati poliamidici e loro uso IT1096586B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772728817 DE2728817A1 (de) 1977-06-27 1977-06-27 Verfahren zur herstellung von hochkonzentrierten waessrigen loesungen von dicarbonsaeurediaminsalzen und polyamidpraekondensaten

Publications (2)

Publication Number Publication Date
IT7824766A0 true IT7824766A0 (it) 1978-06-20
IT1096586B IT1096586B (it) 1985-08-26

Family

ID=6012415

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24766/78A IT1096586B (it) 1977-06-27 1978-06-20 Processo per la preparazione di soluzioni acquose ad alta concentrazione di sali di acido dicarbossilibo e diamina e precondensati poliamidici e loro uso

Country Status (5)

Country Link
US (1) US4213884A (it)
EP (1) EP0000157B1 (it)
JP (1) JPS5412316A (it)
DE (2) DE2728817A1 (it)
IT (1) IT1096586B (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4442260A (en) * 1983-03-14 1984-04-10 E. I. Du Pont De Nemours & Company Preparation of salt solution useful for making nylon
JPH0448937U (it) * 1990-08-24 1992-04-24
FR2916756B1 (fr) * 2007-06-04 2009-07-17 Rhodia Recherches & Tech Procede de fabrication d'une solution de sels de diacides/diamines
FR2943348B1 (fr) * 2009-03-20 2012-12-21 Rhodia Operations Procede de fabrication de polyamide
FR2981600B1 (fr) 2011-10-25 2013-11-15 Rhodia Operations Procede de preparation de granules de polyamide
EP2788400A1 (en) 2011-12-05 2014-10-15 Invista Technologies S.a r.l. Process for the preparation of polyamides
FR2984332B1 (fr) 2011-12-15 2015-12-11 Rhodia Operations Procede de preparation de granules de polyamide et utilisations
TW201443103A (zh) 2013-05-01 2014-11-16 Invista Tech Sarl 自部分平衡之酸性溶液製備尼龍鹽溶液的方法
TW201446836A (zh) 2013-05-01 2014-12-16 Invista Tech Sarl 用於製備部分平衡之酸性溶液之方法
TW201529640A (zh) 2013-12-17 2015-08-01 Invista Tech Sarl 以具有分散器桿頭之容器製造供生產尼龍鹽之部分平衡酸溶液之方法
US10590238B2 (en) * 2014-07-29 2020-03-17 Dsm Ip Assets B.V. Process for preparing nylon salt and its polymerization
TWI787251B (zh) 2017-04-13 2022-12-21 英商英威達紡織（英國）有限公司 製備用於聚醯胺化製程之前體之單體平衡控制
EP3842472A1 (en) 2019-12-23 2021-06-30 Polytechnyl S.A.S. Process for producing a concentrated aqueous solution of a salt of a diamine and dicarboxylic acid
CN116082632B (zh) * 2022-11-28 2025-05-09 开滦能源化工股份有限公司 一种尼龙mxd6盐的制备方法及其制备的尼龙mxd6

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2244192A (en) * 1939-09-08 1941-06-03 Du Pont Preparation of polyamides
BE487516A (it) * 1948-05-01
NL102671C (it) * 1955-07-23
NL230963A (it) * 1957-09-18
NL252332A (it) * 1959-06-06
BE640369A (it) 1963-08-12 1964-03-16
BE638236A (it) * 1962-10-04
US3402152A (en) * 1964-05-15 1968-09-17 Monsanto Co Process for preparing a polyamide
US3502624A (en) * 1966-04-04 1970-03-24 Du Pont Preparation of diamine-dicarboxylic acid salts for polycarbonamides
GB1159151A (en) 1966-04-22 1969-07-23 Ici Ltd Improvements in or relating to Continuous Polymerisation of Polyamides
US3476713A (en) * 1967-03-13 1969-11-04 Du Pont Colorimetric indicator control of polyamide salt stoichiometry
US3952051A (en) * 1971-05-08 1976-04-20 Asahi Kasei Kogyo Kabushiki Kaisha Method for crystallization of diamine dicarboxylate
US4131712A (en) * 1977-08-10 1978-12-26 E. I. Du Pont De Nemours And Company Process for preparing polyamide from diacid-rich component and diamine-rich component

Also Published As

Publication number Publication date
JPS5412316A (en) 1979-01-30
JPS626534B2 (it) 1987-02-12
US4213884A (en) 1980-07-22
IT1096586B (it) 1985-08-26
DE2728817A1 (de) 1979-01-04
EP0000157B1 (de) 1981-04-01
EP0000157A1 (de) 1979-01-10
DE2860572D1 (en) 1981-04-23

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Effective date: 19970630