FR2374364A1 - Procede de fabrication de composition de moulage a base de polyoxymethylene non renforce donnant de faibles depots apres moulage - Google Patents

Procede de fabrication de composition de moulage a base de polyoxymethylene non renforce donnant de faibles depots apres moulage

Info

Publication number
FR2374364A1
FR2374364A1 FR7738076A FR7738076A FR2374364A1 FR 2374364 A1 FR2374364 A1 FR 2374364A1 FR 7738076 A FR7738076 A FR 7738076A FR 7738076 A FR7738076 A FR 7738076A FR 2374364 A1 FR2374364 A1 FR 2374364A1
Authority
FR
France
Prior art keywords
molding
manufacturing
polyoxymethylene
giving low
composition based
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
FR7738076A
Other languages
English (en)
Other versions
FR2374364B1 (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.)
Celanese Corp
Original Assignee
Celanese Corp
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 Celanese Corp filed Critical Celanese Corp
Publication of FR2374364A1 publication Critical patent/FR2374364A1/fr
Application granted granted Critical
Publication of FR2374364B1 publication Critical patent/FR2374364B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/30—Chemical modification by after-treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L59/00—Compositions of polyacetals; Compositions of derivatives of polyacetals
    • C08L59/02—Polyacetals containing polyoxymethylene sequences only
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Abstract

L'invention concerne un procédé de fabrication de composition de moulage à base de polyoxyméthylène non renforcé donnant de faibles dépôts après moulage. Ce procédé est caractérisé par le fait qu'il consiste à chauffer un mélange d'un polymère de polyoxyméthlène et d'environ 0,25 à environ 3 % en poids d'un polycarbodiimide dérivant d'un diisocyanate aromatique et contenant au moins trois motifs carbodiimide par molécule pendant au moins 2 minutes à une température à laquelle le polyoxyméthylène se trouve à l'état fondu Application à la fabrication d'objets moulés.
FR7738076A 1976-12-17 1977-12-16 Procede de fabrication de composition de moulage a base de polyoxymethylene non renforce donnant de faibles depots apres moulage Granted FR2374364A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US75221276A 1976-12-17 1976-12-17
US05/846,661 US4293469A (en) 1976-12-17 1977-10-28 Production of an improved non-reinforced polyoxymethylene molding composition which forms reduced mold deposits upon molding

Publications (2)

Publication Number Publication Date
FR2374364A1 true FR2374364A1 (fr) 1978-07-13
FR2374364B1 FR2374364B1 (fr) 1981-10-02

Family

ID=27115553

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7738076A Granted FR2374364A1 (fr) 1976-12-17 1977-12-16 Procede de fabrication de composition de moulage a base de polyoxymethylene non renforce donnant de faibles depots apres moulage

Country Status (10)

Country Link
US (1) US4293469A (fr)
JP (1) JPS5377242A (fr)
AU (1) AU520367B2 (fr)
BR (1) BR7708341A (fr)
CA (1) CA1101584A (fr)
DE (1) DE2754579A1 (fr)
FR (1) FR2374364A1 (fr)
GB (1) GB1591263A (fr)
IT (1) IT1115698B (fr)
NL (1) NL184116C (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4845161A (en) * 1983-02-25 1989-07-04 E. I. Du Pont De Nemours And Company Polyoxymethylene/polyurethane compositions containing polycarbodiimide
CA1246768A (fr) * 1983-02-25 1988-12-13 Paul N. Richardson Compositions de polyoxymethylene/polyurethane renfermant du polycarbodiimide
JPS59159846A (ja) * 1983-03-03 1984-09-10 Mitsubishi Gas Chem Co Inc アセタ−ル樹脂組成物
CA1273767A (fr) * 1986-06-26 1990-09-11 Alex S. Forschirm Resine legere a boitier, de type polyacetal
US4772654A (en) * 1987-07-21 1988-09-20 E. I. Du Pont De Nemours And Company Fire resistant polymers containing magnesium oxychloride
US5362500A (en) * 1992-12-04 1994-11-08 Wm. Wrigley Jr. Company Method of stabilizing chewing gum with an antioxidant containing tissue and product thereof
US6121406A (en) * 1998-04-20 2000-09-19 Nisshinbo Industries, Inc. Mixture of hydrophilic dicyclohexylmethanecarbodiimide
JP3349439B2 (ja) * 1998-07-08 2002-11-25 日清紡績株式会社 ポリアセタール樹脂組成物
WO2011046566A1 (fr) * 2009-10-16 2011-04-21 Rhein Chemie Rheinau Gmbh Nouveaux capteurs de formaldéhyde
EP2418250A1 (fr) * 2010-08-11 2012-02-15 Rhein Chemie Rheinau GmbH Matières synthétiques bio à longue durée de vie à base de polyhydroxyalcanoate, leur procédé de fabrication et d'utilisation
JP2013100393A (ja) * 2011-11-08 2013-05-23 Mitsubishi Engineering Plastics Corp ポリアセタール樹脂組成物
ITBS20120122A1 (it) * 2012-07-27 2014-01-28 Emer Spa Dispositivo di sicurezza, particolarmente per impianti a gas per autotrazione
EP3827050A1 (fr) * 2018-07-26 2021-06-02 Dupont Polymers, Inc. Ensemble métal-polyacétal

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE586592A (fr) * 1959-01-16
US3135718A (en) * 1960-04-19 1964-06-02 Bayer Ag Polymerization of formaldehyde
NL302727A (fr) * 1962-12-29 1900-01-01
US3755242A (en) * 1972-04-10 1973-08-28 Minnesota Mining & Mfg Polycarbodiimide prepolymers
US3839267A (en) * 1973-04-12 1974-10-01 Celanese Corp Heterogeneous melt hydrolysis of oxymethylene copolymers
CA1056985A (fr) * 1975-03-17 1979-06-19 Celanese Corporation Polyesters a extruder

Also Published As

Publication number Publication date
FR2374364B1 (fr) 1981-10-02
NL184116B (nl) 1988-11-16
CA1101584A (fr) 1981-05-19
US4293469A (en) 1981-10-06
NL7713721A (nl) 1978-06-20
JPS5377242A (en) 1978-07-08
JPS6131142B2 (fr) 1986-07-18
DE2754579A1 (de) 1978-06-22
GB1591263A (en) 1981-06-17
NL184116C (nl) 1989-04-17
BR7708341A (pt) 1978-08-08
AU520367B2 (en) 1982-01-28
IT1115698B (it) 1986-02-03
DE2754579C2 (fr) 1991-09-19
AU3113377A (en) 1979-06-07

Similar Documents

Publication Publication Date Title
FR2374364A1 (fr) Procede de fabrication de composition de moulage a base de polyoxymethylene non renforce donnant de faibles depots apres moulage
FR2426064A1 (fr) Composition de polyester a mouler, a base de terephtalate de polyethylene
DE69326901T2 (de) Formen von konfekt durch spitzgiessen
BE888584Q (fr) Procede de renforcement chimique d'articles en verre soumis au traitement de resistance a l'abrasion et nouveaux produits aini obtenus,
ES2051888T5 (es) Articulos conformados producidos a partir de almidon preprocesado.
YU39053B (en) Process for obtaining formed articles from polyolefine of molecular mass of at least 1 million
FR2418237A1 (fr) Procede pour l'obtention de compositions a base de derives de glycoproteines, produits resultant de ce procede et leurs applications
ATE59665T1 (de) Trennmittelkomposition, diese trennmittelkomposition enthaltende gemische und ein verfahren zur herstellung von elastischen formkoerpern.
FR2388009A1 (fr) Procede de preparation de polyetheramides-acides oligomeriques
FR2433549A1 (fr) Procede pour empecher l'exsudation de plastifiants sur la surface d'articles faconnes
US3312666A (en) Polyurethane polymers
FR2457308A1 (fr) Procede pour modifier les proprietes de surface de produits faconnes en resine a base de chlorure de vinyle au moyen d'un plasma a basse temperature
DE69105805T2 (de) Kupferlegierung und Verfahren zu ihrer Herstellung.
FR2423546A1 (fr) Metaux durs frittes et leur procede de fabrication
DE69019474D1 (de) Veschleissbeständige Polyoxymethylenharzzusammensetzung und Verfahren für ihre Herstellung.
FR2357185A1 (fr) Procede de fabrication de caramels durs
FR2374365A1 (fr) Procede de production d'une composition amelioree de polyoxymethylene a mouler formant lors du moulage moins de depots sur le moule, et produit obtenu
NO901416D0 (no) Opasifisert, stoept produkt og fremgangsmaate for dets fremstilling.
FR2602782B1 (fr) Procede pour fabriquer des corps moules a partir d'une masse resistante au feu
DE69032752D1 (de) Verfahren zur Herstellung von Metallkomplexen von Thiolactamen
BE861932A (fr) Procede de production d'une composition amelioree de polyoxymethylene a mouler formant lors du moulage moins de depots sur le moule, et produit obtenu
DE3174614D1 (en) Pharmaceutical compositions containing androstenes
DE68911067D1 (de) Platin-(II)-diamin-Komplex, Verfahren zur Herstellung dieser Verbindung, Zusammensetzung mit Antitumorwirkung, die mindestens eine Platin-Verbindung enthält, und geformte Zusammensetzung mit Antitumorwirkung.
EP0491643A3 (en) Process for obtaining polymers with antiviral activity
DE59302905D1 (de) Trennmittel für Formen zur Herstellung von Formkörpern aus Kunststoffen

Legal Events

Date Code Title Description
ST Notification of lapse