BE776220A - PROCESS FOR THE PREPARATION OF A POLYAMIDE IN THE FORM OF GRAINS OR POWDER - Google Patents

PROCESS FOR THE PREPARATION OF A POLYAMIDE IN THE FORM OF GRAINS OR POWDER

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
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/en
Priority claimed from NL7106704A external-priority patent/NL162674C/en
Application filed by Stamicarbon filed Critical Stamicarbon
Publication of BE776220A publication Critical patent/BE776220A/en

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
BE776220A 1970-12-05 1971-12-03 PROCESS FOR THE PREPARATION OF A POLYAMIDE IN THE FORM OF GRAINS OR POWDER BE776220A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7017791A NL161476C (en) 1970-12-05 1970-12-05 PROCESS FOR PREPARING A GRANULAR OR POWDER-POLYAMIDE.
NL7106704A NL162674C (en) 1971-05-15 1971-05-15 PREPARATION OF FILLER CONTAINING POLYAMIDE PARTICLES.

Publications (1)

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

Family

ID=26644607

Family Applications (1)

Application Number Title Priority Date Filing Date
BE776220A BE776220A (en) 1970-12-05 1971-12-03 PROCESS FOR THE PREPARATION OF A POLYAMIDE IN THE FORM OF GRAINS OR POWDER

Country Status (9)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5026593B2 (en) * 1972-10-23 1975-09-02
IT1033860B (en) * 1975-02-13 1979-08-10 Russo S POLYMERIZATION PROCESS OF POLYAMIDES PROCESSABLE AT TEMPERATURES LOWER THAN THEIR CONVENTIONAL TEMPERATURES OF MELTING AND DECOMPOSITION
US5135991A (en) * 1989-01-20 1992-08-04 Daicel Huls Ltd. Process for producing polymer powder from molten mixture of polyamides
DE19749760A1 (en) 1997-11-11 1999-05-12 Henkel Kgaa Multi-phase stick preparation
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 (en) 1972-06-22
CA944892A (en) 1974-04-02
GB1357208A (en) 1974-06-19
CH557845A (en) 1975-01-15
JPS4917876B1 (en) 1974-05-04
IT945293B (en) 1973-05-10
FR2116529B1 (en) 1974-05-31
CS167959B2 (en) 1976-05-28
FR2116529A1 (en) 1972-07-13

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