CH290589A - Process for the preparation of fine powders of linear synthetic polyamides. - Google Patents

Process for the preparation of fine powders of linear synthetic polyamides.

Info

Publication number
CH290589A
CH290589A CH290589DA CH290589A CH 290589 A CH290589 A CH 290589A CH 290589D A CH290589D A CH 290589DA CH 290589 A CH290589 A CH 290589A
Authority
CH
Switzerland
Prior art keywords
preparation
fine powders
synthetic polyamides
linear synthetic
linear
Prior art date
Application number
Other languages
French (fr)
Inventor
M M Genas
A Kowanko
Original Assignee
Organico Soc
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 Organico Soc filed Critical Organico Soc
Publication of CH290589A publication Critical patent/CH290589A/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
    • C08J3/14—Powdering or granulating by precipitation from solutions
    • 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
CH290589D 1949-04-20 1950-04-13 Process for the preparation of fine powders of linear synthetic polyamides. CH290589A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR989062T 1949-04-20

Publications (1)

Publication Number Publication Date
CH290589A true CH290589A (en) 1953-05-15

Family

ID=9539962

Family Applications (1)

Application Number Title Priority Date Filing Date
CH290589D CH290589A (en) 1949-04-20 1950-04-13 Process for the preparation of fine powders of linear synthetic polyamides.

Country Status (4)

Country Link
CH (1) CH290589A (en)
FR (1) FR989062A (en)
GB (1) GB688771A (en)
NL (1) NL81587C (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2742440A (en) * 1952-02-26 1956-04-17 Polymer Corp Method of preparing finely divided polyamides
US2958677A (en) * 1955-05-10 1960-11-01 Phillips Petroleum Co Purification of polymers of the polyamide type
DE1100949B (en) * 1955-12-21 1961-03-02 Bayer Ag Process for the production of powdery polycarbonates
DE1115018B (en) * 1957-10-30 1961-10-12 Ici Ltd Process for the production of finely divided synthetic polyamide powder from polyamide solutions
US2977342A (en) * 1957-10-30 1961-03-28 Ici Ltd Synthetic linear polyamides in finely divided form
US3130181A (en) * 1959-04-10 1964-04-21 Allied Chem Preparation of colloidal particles of polycarbonamides
DE2906647C2 (en) * 1979-02-21 1980-12-11 Chemische Werke Huels Ag, 4370 Marl Process for the production of powdery coating agents !! based on polyamides with at least 10 aliphatically bonded carbon atoms per carbonamide group
FR2939802A1 (en) * 2008-12-17 2010-06-18 Arkema France Preparing polyamide fine powder, useful in e.g. cosmetics, pharmaceuticals or perfume, comprises dissolving polyamide in solvent and precipitating the polyamide under powder form to obtain fine powder comprising particles
US8071656B2 (en) 2009-03-03 2011-12-06 Dynasep Llc Nylon extraction from commingled materials
CN110684213B (en) * 2018-07-06 2022-04-01 绿点高新科技股份有限公司 Method for producing polyamide powder and composition for producing polyamide powder
FR3135977A1 (en) * 2022-05-30 2023-12-01 Capsum CATIONIC POLYMERS AND THEIR PREPARATION PROCESSES

Also Published As

Publication number Publication date
FR989062A (en) 1951-09-04
GB688771A (en) 1953-03-11
NL81587C (en)

Similar Documents

Publication Publication Date Title
FR1049304A (en) Process for the preparation of synthetic polymers
CH289005A (en) Process for preparing O, O-dimethyl-S-ureido-acetyl dithiophosphate.
FR1051031A (en) Process for the preparation of hard resinous products
CH290589A (en) Process for the preparation of fine powders of linear synthetic polyamides.
FR63306E (en) Process for the preparation of hard resinous products
FR1028400A (en) Process for preparing aldehydes
CH277981A (en) Process for the preparation of alpha-ionones.
FR1040631A (en) Process for the continuous preparation of novolacs
FR1042759A (en) Process for the preparation of ammonium nitrilosulfonates
CH285769A (en) Process for preparing hydroxymethyltrimethylsilane.
FR1023058A (en) Process for the preparation of morphino-6-glucosides
FR1023119A (en) Process for the preparation of 3, 4-dihydroxy-alpha-isopropylamino-propiophenone
FR995716A (en) Process for the preparation of hydroxy-2-naphthoquinones-1, 4
FR985895A (en) Process for preparing 2-aminopyrimidine
FR1109005A (en) Process for preparing 2: 6-diiododiphenylethers
FR1028786A (en) Process for the preparation of aureomycin complexes
CH292011A (en) Process for preparing a binder composition.
FR1012331A (en) Process for the preparation of calcoammonium nitrate
FR1000457A (en) Process for preparing phenyldichlorosilane
FR981150A (en) Process for preparing monoaroylated 1, 4-diamino-anthraquinones
CH323315A (en) Process for the synthesis of urea.
FR1013816A (en) Process for the preparation of substituted p-ureidobenzalthio-semicarbazones
FR1000308A (en) Process for the production of 3. 4-dioxypyrrolidines
FR1018422A (en) Process for the preparation of new 4, 7-phenanthrolines
CH305574A (en) Process for the preparation of calcium 5-formyl-5,6,7,8-tetrahydropteroylglutamate.