BE640369A - - Google Patents

Info

Publication number
BE640369A
BE640369A BE640369A BE640369A BE640369A BE 640369 A BE640369 A BE 640369A BE 640369 A BE640369 A BE 640369A BE 640369 A BE640369 A BE 640369A BE 640369 A BE640369 A BE 640369A
Authority
BE
Belgium
Prior art keywords
acid
reaction
temperature
mixing
water
Prior art date
Application number
BE640369A
Other languages
English (en)
French (fr)
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
Priority to GB14102/60A priority Critical patent/GB976161A/en
Priority to FR944401A priority patent/FR1371433A/fr
Priority claimed from FR944401A external-priority patent/FR1371433A/fr
Application filed filed Critical
Priority to BE640369A priority patent/BE640369A/fr
Priority claimed from CH1440063A external-priority patent/CH424263A/fr
Publication of BE640369A publication Critical patent/BE640369A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/26Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
    • C08G69/28Preparatory 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)
BE640369A 1960-04-21 1963-11-25 BE640369A (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB14102/60A GB976161A (en) 1960-04-21 1960-04-21 Manufacture of polyamides
FR944401A FR1371433A (fr) 1960-04-21 1963-08-12 Procédé de préparation de compositions de polyamides linéaires fondues
BE640369A BE640369A (it) 1963-08-12 1963-11-25

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR944401A FR1371433A (fr) 1960-04-21 1963-08-12 Procédé de préparation de compositions de polyamides linéaires fondues
BE640369A BE640369A (it) 1963-08-12 1963-11-25
CH1440063A CH424263A (fr) 1963-08-12 1963-11-25 Procédé de préparation de polyamides linéaires

Publications (1)

Publication Number Publication Date
BE640369A true BE640369A (it) 1964-03-16

Family

ID=29423890

Family Applications (1)

Application Number Title Priority Date Filing Date
BE640369A BE640369A (it) 1960-04-21 1963-11-25

Country Status (1)

Country Link
BE (1) BE640369A (it)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0000157A1 (de) 1977-06-27 1979-01-10 BASF Aktiengesellschaft Verfahren zur Herstellung von hochkonzentrierten wässrigen Lösungen von Dicarbonsäurediaminsalzen und Polyamidpräkondensaten und deren Verwendung
EP0000142A1 (de) 1977-06-27 1979-01-10 BASF Aktiengesellschaft Verfahren zur Herstellung von Polyamiden

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0000157A1 (de) 1977-06-27 1979-01-10 BASF Aktiengesellschaft Verfahren zur Herstellung von hochkonzentrierten wässrigen Lösungen von Dicarbonsäurediaminsalzen und Polyamidpräkondensaten und deren Verwendung
EP0000142A1 (de) 1977-06-27 1979-01-10 BASF Aktiengesellschaft Verfahren zur Herstellung von Polyamiden

Similar Documents

Publication Publication Date Title
CA1124942A (fr) Procede d'obtention de copolyamides souples ayant des proprietes mecaniques ameliorees
RU2434842C2 (ru) Способ получения раствора солей дикислот/диаминов
CN101080378B (zh) 纯化羟基羧酸的方法、制备环酯的方法以及制备聚羟基羧酸的方法
KR102077057B1 (ko) 반 방향족 폴리아미드의 제조방법 및 반 방향족 폴리아미드
RU2221820C2 (ru) Способ получения полиамидов
EP0192515A1 (fr) Procédé de fabrication de poudre de polyamide
SU904517A3 (ru) Способ получени 2,2-бис-/4-(3,4-дикарбоксифенокси)-фенил/пропан-диангидрида
JP2015500360A (ja) ポリアミドの調製方法
RU2216552C2 (ru) Способ непрерывного полиамидирования
JPH02296827A (ja) カプロラクタム及びジアミンとジカルボン酸の塩からコポリアミドを連続的に製造する方法
JP7196835B2 (ja) 1,2,4,5-シクロヘキサンテトラカルボン酸二無水物の製造方法
BE640369A (it)
TWI439469B (zh) 用於製備具有低水含量的硝化纖維素溶液之方法
NO149825B (no) Bekledning for veggen
CA2474720A1 (fr) Procede d'oligomerisation d'acide lactique
BE472116A (fr) Fabrication de chlorure de calcium
CH424263A (fr) Procédé de préparation de polyamides linéaires
US2997463A (en) Process for the preparation of polymeric materials of the polymamide type
US6852829B2 (en) Process for the simultaneous preparation of polyamides with at least two different viscosities
US984645A (en) Process for producing large well-formed crystals from solutions of different kinds.
DE1570570A1 (de) Verfahren zur kontinuierlichen Entfernung monomerer und oligomerer Anteile aus stickstoffhaltigen Polykondensations- bzw. Polymerisationsprodukten
GB777943A (en) Improved apparatus for the synthesis of polyamides
US3130180A (en) Continuous method and apparatus for the production of polyhexamethylene adipamide
FI56973B (fi) Foerfarande foer kontinuerlig framstaellning av aminoplastloesningar
US1031864A (en) Method of concentrating nitric acid.