FR2430436A1 - Granules de polyamide lubrifies en surface, leur preparation et leur utilisation pour la fabrication d'objets faconnes - Google Patents

Granules de polyamide lubrifies en surface, leur preparation et leur utilisation pour la fabrication d'objets faconnes

Info

Publication number
FR2430436A1
FR2430436A1 FR7917454A FR7917454A FR2430436A1 FR 2430436 A1 FR2430436 A1 FR 2430436A1 FR 7917454 A FR7917454 A FR 7917454A FR 7917454 A FR7917454 A FR 7917454A FR 2430436 A1 FR2430436 A1 FR 2430436A1
Authority
FR
France
Prior art keywords
dispersion
injection moulding
polyamide
useful
dust formation
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7917454A
Other languages
English (en)
Other versions
FR2430436B1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Publication of FR2430436A1 publication Critical patent/FR2430436A1/fr
Application granted granted Critical
Publication of FR2430436B1 publication Critical patent/FR2430436B1/fr
Expired legal-status Critical Current

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
    • C08J3/124—Treatment for improving the free-flowing characteristics
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/01—Hydrocarbons
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

Ces granulés de polyamide sont revêtus en surface de 0,01 à 1,0 % de leur poids d'une paraffine appliquée à l'état de dispersion aqueuse. Pour les préparer, on fait passer un boudin refoulé à partir d'une masse fondue de polyamide dans une dispersion aqueuse à la concentration de 0,5 à 20 % en poids d'une paraffine ou bien on applique sur les granulés de polyamide, au tambour, une dispersion aqueuse à la concentration de 5 à 75 % en poids d'une paraffine. Ces granulés donnent des résultats particulièrement satisfaisants dans le moulage par injection.
FR7917454A 1978-07-06 1979-07-05 Granules de polyamide lubrifies en surface, leur preparation et leur utilisation pour la fabrication d'objets faconnes Expired FR2430436B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782829625 DE2829625A1 (de) 1978-07-06 1978-07-06 Staubfreie aussenschmierung fuer polyamid

Publications (2)

Publication Number Publication Date
FR2430436A1 true FR2430436A1 (fr) 1980-02-01
FR2430436B1 FR2430436B1 (fr) 1985-10-18

Family

ID=6043650

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7917454A Expired FR2430436B1 (fr) 1978-07-06 1979-07-05 Granules de polyamide lubrifies en surface, leur preparation et leur utilisation pour la fabrication d'objets faconnes

Country Status (2)

Country Link
DE (1) DE2829625A1 (fr)
FR (1) FR2430436B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0131707A1 (fr) * 1983-05-20 1985-01-23 BASF Aktiengesellschaft Copolymères éthylène-acétate de vinyle non-collants, leur préparation et leur application

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3706356A1 (de) * 1987-02-27 1988-09-08 Basf Ag Polyamidgranulat mit aeusserer huelle
US5683817A (en) * 1992-12-28 1997-11-04 E. I. Du Pont De Nemours And Company Polyamide composition and method of producing goods
JP3310361B2 (ja) * 1992-12-28 2002-08-05 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー ポリアミド樹脂組成物および成型品の製造方法
CN101688038B (zh) 2007-07-10 2013-01-16 巴斯夫欧洲公司 阻燃性热塑性模塑组合物
JP5653754B2 (ja) 2007-09-14 2015-01-14 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ スチレン−ブタジエンブロック共重合体混合物に基づく透明で強靭で剛性のある成形組成物

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT197073B (de) * 1956-01-07 1958-04-10 Onderzoekings Inst Res Verfahren zur Herstellung von Strangpreßmaterial
BE574422A (fr) * 1958-02-01
DE1224441B (de) * 1961-02-09 1966-09-08 Bayer Ag Erhoehung der Glaette von unverstreckten Faeden aus polymerem epsilon-Caprolactam

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/66 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0131707A1 (fr) * 1983-05-20 1985-01-23 BASF Aktiengesellschaft Copolymères éthylène-acétate de vinyle non-collants, leur préparation et leur application

Also Published As

Publication number Publication date
FR2430436B1 (fr) 1985-10-18
DE2829625C2 (fr) 1990-08-23
DE2829625A1 (de) 1980-01-24

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Legal Events

Date Code Title Description
ST Notification of lapse