DE886528C - Stabilizer for post-chlorinated polyvinyl chloride - Google Patents

Stabilizer for post-chlorinated polyvinyl chloride

Info

Publication number
DE886528C
DE886528C DEI2023D DEI0002023D DE886528C DE 886528 C DE886528 C DE 886528C DE I2023 D DEI2023 D DE I2023D DE I0002023 D DEI0002023 D DE I0002023D DE 886528 C DE886528 C DE 886528C
Authority
DE
Germany
Prior art keywords
polyvinyl chloride
post
weight
parts
stabilizer
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.)
Expired
Application number
DEI2023D
Other languages
German (de)
Inventor
Heinrich Schneider
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Priority to DEI2023D priority Critical patent/DE886528C/en
Application granted granted Critical
Publication of DE886528C publication Critical patent/DE886528C/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/22—Compounds containing nitrogen bound to another nitrogen atom
    • C08K5/24—Derivatives of hydrazine
    • C08K5/25—Carboxylic acid hydrazides
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
    • C09D127/22—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers modified by chemical after-treatment
    • C09D127/24—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers modified by chemical after-treatment halogenated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Description

Stabilisiermittel für nachchloriertes Polyvinylchlorid Es ist bereits vorgeschlagen worden, Polyvinylchlorid dadurch gegen Salzsäureabspaltung und gegen Verfärbung zu stabilisieren, daß man dem monomeren Produkt vor oder während der Polymerisation Basen zusetzt. Als solche werden unter anderem Hydrazin und seine Derivate genannt.Stabilizer for post-chlorinated polyvinyl chloride It is already been proposed, polyvinyl chloride thereby against hydrochloric acid elimination and against To stabilize discoloration, that one the monomeric product before or during the Polymerization adds bases. As such, among other things, hydrazine and its Called derivatives.

Es wurde nun gefunden, daß das Oxalsäuredihydrazid eine spezifische Wirkung auf nachchloriertes Polyvinylchlorid ausübt. Filme, Folien, Anstriche, Bänder, Fasern u. dgl., welche aus Lösungen von Polyvinylchlorid hergestellt wurden, werden durch die Anwesenheit von bereits geringen Mengen Oxalsäuredihydrazid in wesentlich stärkerem Maße gegen Salzsäureabspaltung und Verfärbung stabilisiert, als dies mit den bekannten Hydrazinderivaten möglich ist. Die Bedeutung dieses Effektes ergibt sich unter anderem daraus, daß das nachchlorierte Polyvinylchlorid in Form von Folien u. dgl. unter anderem für Elektroisolierzwecke benutzt wird und dadurch mit Metallen in Berührung kommt. Hand in Hand mit einer Verhinderung der Salzsäureabspaltung und der Verfärbung geht auch die Erhaltung der Festigkeit. Im allgemeinen genügen Mengen von 0,3 bis 30/, des Stabilisators. Selbstverständlich können übliche Weichmacher, Füllstoffe, Pigmente und andere Stabilisatoren mit verwandt werden.It has now been found that the oxalic acid dihydrazide has a specific effect on post-chlorinated polyvinyl chloride. Films, foils, paints, tapes, fibers and the like, which have been produced from solutions of polyvinyl chloride, are stabilized to a much greater extent against the elimination of hydrochloric acid and discoloration by the presence of even small amounts of oxalic acid dihydrazide than is possible with the known hydrazine derivatives. The importance of this effect arises, among other things, from the fact that the post-chlorinated polyvinyl chloride in the form of foils and the like is used, among other things, for electrical insulation purposes and thus comes into contact with metals. Hand in hand with preventing the elimination of hydrochloric acid and discoloration goes the preservation of strength. In general, amounts of 0.3 to 30% of the stabilizer are sufficient. Customary plasticizers, fillers, pigments and other stabilizers can of course also be used.

Beispiel i 99 Gewichtstefle nachchloriertes Polyvinylchlorid sowie i Gewichtsteil Oxalsäuredihydrazid werden unter Zusatz von 2oo Gewichtsteilen Toluol und 2oo Gewichtsteilen Butylacetat in Lösung gebracht. Man erhält einen Klarlack, dessen Anstriche weitgehend gegen die Abspaltung von Salzsäure bzw. gegen das Auftreten von Korrosionserscheinungen beständig sind. Beispiel 2 99,5 Gewichtsteile Polyvinylchlorid (nachchloriert) sowie 0,5 Gewichtsteile Oxalsäuredihydrazid werden unter Zusatz; von 2oo Gewichtsteilen Toluol und 2,oo Gewichtsteilen Butylacetat gelöst. Anschließend werden 5o Gewichtsteile Titandioxyd als Pigment in der üblichen Weise eingearbeitet. Der auf diese Weise hergestellte weißpigmentierte Lack ist durch eine sehr gute Beständigkeit gegen Salzsäureabspaltung sowie durch eine gute Beständigkeit gegen Verfärbung und Korrosionserscheinungen ausgezeichnet. Beispiel 3 99 Gewichtsteile Polyvinylchlorid (nachchloriert) sowie i Gewichtsteil Oxalsäuredihydrazil werden mittels 40o Gewichtsteilen Toluol, 2oo Gewichtsteilen Methylenchlorid, 3oo Gewichtsteilen Butylacetat in Lösung gebracht. Die aus dieser Lösung nach dem üblichen Gießverfahren hergestellten Folien besitzen auch bei höheren Temperaturen eine sehr gute Beständigkeit gegen die Abspaltung von Salzsäure sowie gegen die bei höheren Temperaturen normalerweise auftretende Verfärbung.Example i 99 parts by weight of post-chlorinated polyvinyl chloride and 1 part by weight of oxalic acid dihydrazide are dissolved with the addition of 200 parts by weight of toluene and 200 parts by weight of butyl acetate. A clear lacquer is obtained, the coatings of which are largely resistant to the splitting off of hydrochloric acid or to the occurrence of corrosion phenomena. Example 2 99.5 parts by weight of polyvinyl chloride (post-chlorinated) and 0.5 parts by weight of oxalic acid dihydrazide are added with; dissolved by 200 parts by weight of toluene and 2.0 parts by weight of butyl acetate. Then 50 parts by weight of titanium dioxide are incorporated as a pigment in the usual way. The white pigmented varnish produced in this way is characterized by very good resistance to the elimination of hydrochloric acid and good resistance to discoloration and signs of corrosion. Example 3 99 parts by weight of polyvinyl chloride (post-chlorinated) and 1 part by weight of oxalic acid dihydrazil are dissolved using 40o parts by weight of toluene, 200 parts by weight of methylene chloride and 300 parts by weight of butyl acetate. The films produced from this solution by the customary casting process have very good resistance to the elimination of hydrochloric acid, even at higher temperatures, and to the discoloration that normally occurs at higher temperatures.

Claims (1)

PATENTANS-PRUCH: Verfahren zur Herstellung von Filmen, Folien, Anstrichen, Bändern, Fasern u. dgl. aus Lösungen von nachchloriertem Polyvinylchlorid, dadurch gekennzeichnet, daß man den Lösungen Oxalsäuredihydrazid einverleibt.PATENTANS-PRUCH: Process for the production of films, foils, paints, Ribbons, fibers and the like from solutions of post-chlorinated polyvinyl chloride, thereby characterized in that oxalic acid dihydrazide is incorporated into the solutions.
DEI2023D 1944-06-20 1944-06-20 Stabilizer for post-chlorinated polyvinyl chloride Expired DE886528C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEI2023D DE886528C (en) 1944-06-20 1944-06-20 Stabilizer for post-chlorinated polyvinyl chloride

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEI2023D DE886528C (en) 1944-06-20 1944-06-20 Stabilizer for post-chlorinated polyvinyl chloride

Publications (1)

Publication Number Publication Date
DE886528C true DE886528C (en) 1953-08-13

Family

ID=7184580

Family Applications (1)

Application Number Title Priority Date Filing Date
DEI2023D Expired DE886528C (en) 1944-06-20 1944-06-20 Stabilizer for post-chlorinated polyvinyl chloride

Country Status (1)

Country Link
DE (1) DE886528C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1140705B (en) * 1957-02-09 1962-12-06 Bayer Ag Process for stabilizing halogen-containing thermoplastic molding compositions based on vinyl chloride polymers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1140705B (en) * 1957-02-09 1962-12-06 Bayer Ag Process for stabilizing halogen-containing thermoplastic molding compositions based on vinyl chloride polymers

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