IT1098372B - Processo in fase liquida per preparare poliamidi di alto peso molecolare - Google Patents

Processo in fase liquida per preparare poliamidi di alto peso molecolare

Info

Publication number
IT1098372B
IT1098372B IT26638/78A IT2663878A IT1098372B IT 1098372 B IT1098372 B IT 1098372B IT 26638/78 A IT26638/78 A IT 26638/78A IT 2663878 A IT2663878 A IT 2663878A IT 1098372 B IT1098372 B IT 1098372B
Authority
IT
Italy
Prior art keywords
polyamids
molecular weight
liquid phase
high molecular
phase process
Prior art date
Application number
IT26638/78A
Other languages
English (en)
Other versions
IT7826638A0 (it
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of IT7826638A0 publication Critical patent/IT7826638A0/it
Application granted granted Critical
Publication of IT1098372B publication Critical patent/IT1098372B/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyamides (AREA)
IT26638/78A 1977-08-10 1978-08-09 Processo in fase liquida per preparare poliamidi di alto peso molecolare IT1098372B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/823,326 US4131712A (en) 1977-08-10 1977-08-10 Process for preparing polyamide from diacid-rich component and diamine-rich component

Publications (2)

Publication Number Publication Date
IT7826638A0 IT7826638A0 (it) 1978-08-09
IT1098372B true IT1098372B (it) 1985-09-07

Family

ID=25238445

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26638/78A IT1098372B (it) 1977-08-10 1978-08-09 Processo in fase liquida per preparare poliamidi di alto peso molecolare

Country Status (8)

Country Link
US (1) US4131712A (it)
EP (1) EP0001157B1 (it)
JP (1) JPS6054328B2 (it)
AR (1) AR219122A1 (it)
AU (1) AU519107B2 (it)
CA (1) CA1091845A (it)
DE (1) DE2861356D1 (it)
IT (1) IT1098372B (it)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2728931A1 (de) * 1977-06-27 1979-01-04 Basf Ag Verfahren zur herstellung von polyamiden
DE2728817A1 (de) * 1977-06-27 1979-01-04 Basf Ag Verfahren zur herstellung von hochkonzentrierten waessrigen loesungen von dicarbonsaeurediaminsalzen und polyamidpraekondensaten
JPS57200420A (en) * 1981-06-04 1982-12-08 Mitsubishi Gas Chem Co Inc Production of polyamide
US4442260A (en) * 1983-03-14 1984-04-10 E. I. Du Pont De Nemours & Company Preparation of salt solution useful for making nylon
US5674974A (en) * 1994-11-23 1997-10-07 E. I. Du Pont De Nemours And Company Continuous polymerization process for polyamides
CA2205032A1 (en) * 1994-11-23 1996-05-30 E.I. Du Pont De Nemours And Company Low temperature manufacturing process for nylon
US5801278A (en) * 1997-03-07 1998-09-01 E. I. Du Pont De Nemours And Companh Low water diamine-dicarboxylic acid salt preparation
US6169162B1 (en) 1999-05-24 2001-01-02 Solutia Inc. Continuous polyamidation process
FR2794760B1 (fr) * 1999-06-11 2001-08-17 Rhodianyl Procede de fabrication de polyamides
DE60119595T2 (de) * 2000-01-21 2006-09-14 Mitsubishi Gas Chemical Co., Inc. Verfahren zur Herstellung von Polyamid
FR2916756B1 (fr) * 2007-06-04 2009-07-17 Rhodia Recherches & Tech Procede de fabrication d'une solution de sels de diacides/diamines
SG10201606114WA (en) * 2011-07-26 2016-09-29 Dsm Ip Assets Bv Process for preparing a diamine/dicarboxylic acid salt
HK1199649A1 (en) * 2011-12-05 2015-07-10 因温斯特技术公司 Process for the preparation of polyamides
EP2951147B1 (en) 2013-01-31 2017-08-02 DSM IP Assets B.V. Process for the preparation of diamine/dicarboxylic acid salts and polyamides thereof
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
GB201320520D0 (en) 2013-11-20 2014-01-01 Invista Tech Sarl Continuous polyamidation process - I
GB201320518D0 (en) * 2013-11-20 2014-01-01 Invista Tech Sarl Continuous polyamidation process - II
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
GB2538523A (en) * 2015-05-19 2016-11-23 Invista Tech Sarl Pelletisation process
BR112021015292A2 (pt) 2019-02-21 2021-10-05 Invista Textiles (U.K.) Limited Processo para a preparação de poliamidas

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE449541A (it) * 1942-03-10
GB794365A (en) * 1955-10-07 1958-04-30 British Nylon Spinners Ltd Improvements in or relating to synthetic linear polyterephthalamides
GB976161A (en) * 1960-04-21 1964-11-25 Jozef Sikora Manufacture of polyamides
US3300449A (en) * 1962-10-04 1967-01-24 Monsanto Co Process for production of polycarbonamides
US3884881A (en) * 1973-05-18 1975-05-20 Du Pont Preparation of poly(p-phenylene terephthalamide) by mixing solution of p-phenylene diamine with molten terephthaloyl chloride
US4009153A (en) * 1975-03-04 1977-02-22 E. I. Du Pont De Nemours And Co. Vapor-phase preparation of aromatic polyamides

Also Published As

Publication number Publication date
AU3878778A (en) 1980-02-14
DE2861356D1 (en) 1982-01-28
AU519107B2 (en) 1981-11-05
CA1091845A (en) 1980-12-16
EP0001157A1 (en) 1979-03-21
EP0001157B1 (en) 1981-11-25
AR219122A1 (es) 1980-07-31
IT7826638A0 (it) 1978-08-09
JPS6054328B2 (ja) 1985-11-29
US4131712A (en) 1978-12-26
JPS5430294A (en) 1979-03-06

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