BE776220A - Procede pour la preparation d'un polyamide sous forme de grainsou de poudre - Google Patents

Procede pour la preparation d'un polyamide sous forme de grainsou de poudre

Info

Publication number
BE776220A
BE776220A BE776220A BE776220A BE776220A BE 776220 A BE776220 A BE 776220A BE 776220 A BE776220 A BE 776220A BE 776220 A BE776220 A BE 776220A BE 776220 A BE776220 A BE 776220A
Authority
BE
Belgium
Prior art keywords
grains
polyamide
powder
preparation
Prior art date
Application number
BE776220A
Other languages
English (en)
French (fr)
Original Assignee
Stamicarbon
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 claimed from NL7017791A external-priority patent/NL161476C/xx
Priority claimed from NL7106704A external-priority patent/NL162674C/xx
Application filed by Stamicarbon filed Critical Stamicarbon
Publication of BE776220A publication Critical patent/BE776220A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • 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
    • C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
    • C08G69/14—Lactams
    • C08G69/16—Preparatory processes
    • C08G69/18—Anionic polymerisation
    • 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
    • C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
    • C08G69/14—Lactams
    • C08G69/16—Preparatory processes
    • C08G69/18—Anionic polymerisation
    • C08G69/20—Anionic polymerisation characterised by the catalysts used
    • 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
    • C08G69/46—Post-polymerisation treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
    • C08J2377/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyamides (AREA)
BE776220A 1970-12-05 1971-12-03 Procede pour la preparation d'un polyamide sous forme de grainsou de poudre BE776220A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7017791A NL161476C (nl) 1970-12-05 1970-12-05 Werkwijze voor de bereiding van een korrel- of poedervormig polyamide.
NL7106704A NL162674C (nl) 1971-05-15 1971-05-15 Bereiding van vulstof bevattende polyamidedeeltjes.

Publications (1)

Publication Number Publication Date
BE776220A true BE776220A (fr) 1972-06-05

Family

ID=26644607

Family Applications (1)

Application Number Title Priority Date Filing Date
BE776220A BE776220A (fr) 1970-12-05 1971-12-03 Procede pour la preparation d'un polyamide sous forme de grainsou de poudre

Country Status (9)

Country Link
JP (1) JPS4917876B1 (OSRAM)
BE (1) BE776220A (OSRAM)
CA (1) CA944892A (OSRAM)
CH (1) CH557845A (OSRAM)
CS (1) CS167959B2 (OSRAM)
DE (1) DE2160135A1 (OSRAM)
FR (1) FR2116529B1 (OSRAM)
GB (1) GB1357208A (OSRAM)
IT (1) IT945293B (OSRAM)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5026593B2 (OSRAM) * 1972-10-23 1975-09-02
IT1033860B (it) * 1975-02-13 1979-08-10 Russo S Processo di polimerizzazione di poliammidi lavorabili a temperature piu basse delle loro temperature convenzionali di fusione e di decomposizione
US5135991A (en) * 1989-01-20 1992-08-04 Daicel Huls Ltd. Process for producing polymer powder from molten mixture of polyamides
DE19749760A1 (de) 1997-11-11 1999-05-12 Henkel Kgaa Mehrphasen-Stiftpräparat
EP1498445A1 (en) 2003-07-18 2005-01-19 DSM IP Assets B.V. Heat stabilized moulding composition

Also Published As

Publication number Publication date
DE2160135A1 (de) 1972-06-22
GB1357208A (en) 1974-06-19
FR2116529B1 (OSRAM) 1974-05-31
IT945293B (it) 1973-05-10
CH557845A (de) 1975-01-15
CS167959B2 (OSRAM) 1976-05-28
JPS4917876B1 (OSRAM) 1974-05-04
CA944892A (en) 1974-04-02
FR2116529A1 (OSRAM) 1972-07-13

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