DE929932C - Solvents, swelling agents and plasticizers - Google Patents

Solvents, swelling agents and plasticizers

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Publication number
DE929932C
DE929932C DEF9356A DEF0009356A DE929932C DE 929932 C DE929932 C DE 929932C DE F9356 A DEF9356 A DE F9356A DE F0009356 A DEF0009356 A DE F0009356A DE 929932 C DE929932 C DE 929932C
Authority
DE
Germany
Prior art keywords
solvents
plasticizers
swelling agents
alkyl
polytrifluorochloroethylene
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
DEF9356A
Other languages
German (de)
Inventor
Otto Dr Fuchs
Anton Dr Staller
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.)
Hoechst AG
Original Assignee
Hoechst 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 Hoechst AG filed Critical Hoechst AG
Priority to DEF9356A priority Critical patent/DE929932C/en
Application granted granted Critical
Publication of DE929932C publication Critical patent/DE929932C/en
Expired legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/04Oxygen-containing compounds
    • C08K5/07Aldehydes; Ketones

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Moulding By Coating Moulds (AREA)

Description

Lösungsmittel, Quellungsmittel und Weichmacher Gegenstand des Patents 928 793 ist die Verwendung von bestimmten hydroaromatischen Kohlenwasserstoffen als Lösungsmittel, Quellungsmittel, Verschnittmittel oder Weichmacher für Polytrifluorchloräthylen, wobei auch andere Lösungsmittel mit verwendet werden können.Solvents, swelling agents and plasticizers Subject of the patent 928 793 is the use of certain hydroaromatic hydrocarbons as a solvent, swelling agent, extender or plasticizer for polytrifluorochloroethylene, other solvents can also be used.

Es wurde nun gefunden, daß man als Quellungsmittel, Verschnittmittel und Weichmacher für Polytrifluorchloräthylen auch Cyclohexanon und dessen alkyl- und/oder chlorhaltigen Derivate sowie nichtcyclische, oberhalb 1100 siedende Ketone verwenden kann, besonders solche, die mindestens eine Alkyl-oder Arylgruppe und/oder mindestens ein Chloratom enthalten. Diese Verbindungen wirken oberhalb 1100 stark quellend und geben im Gemisch mit halogenierten Kohlenwasserstoffen klare Lösungen des genannten Polymerisates. It has now been found that swelling agents can be used as diluents and plasticizers for polytrifluorochloroethylene also cyclohexanone and its alkyl and / or chlorine-containing derivatives and non-cyclic ketones boiling above 1100 can use, especially those that contain at least one alkyl or aryl group and / or contain at least one chlorine atom. These compounds are strong above 1100 swelling and give clear solutions when mixed with halogenated hydrocarbons of the polymer mentioned.

Für die im folgenden beschriebenen Löslichkeitsversuche wurde ein Polytrifluorchloräthylen verwendet, dessen Molekulargewicht nach den von Kaufmann und Muthana, J. Polymer Science 6, S. 251 (I95I), angegebenen »NST«- und osmotischen Werten etwa 75 ooo beträgt. For the solubility tests described below, a Polytrifluorochloroethylene used, its molecular weight after that of Kaufmann and Muthana, J. Polymer Science 6, p. 251 (195I), cited "NST" and osmotic Values is about 75,000.

Beispiele sind in nachstehender Tabelle angeführt; die Lösungstemperaturen liegen meist um etwa 10 bis 20° höher als die angegebenen Entmischungstemperaturen. Entmischungs- Zusammensetzung der Lösung Polymerisat Quelltemperatur temperatur Gewichtsprozent °C der Lösung Keton Zusatz °C 95% Mesityloxyd ............... - 5 120 - 47% desgl. .................... 47% C4F4Cl4¹) 6 - 105 95% Acetophenon .............. - 5 160 - 47% desgl. .................... 47% C4F4Cl4¹) 6 - 143 95% Dimethylacetophenon - 5 I60 - 47% desgl. .................... 47% C7H4F3Cl²) 6 - 155 95% Chlordiisopropylketon....... - 5 135 - 47% desgl. .................... 47% C7H4F3Cl²) 6 - 130 95% w-Chloracetophenon ........ - 5 160 - 95% w-Chlorpropiophenon....... - 5 165 - 95% 2-Methylhepten-2-on-6...... - 5 155 - 95% Phoron ................... - 5 160 - 95% Methylcyclohexanon ....... - 5 160 - 47% desgl. .................... 47% C4F4Cl4¹) 6 - 103 95% Cyclohexanon ............. - 5 155 - 1) C4 F4 Cl4 bedeutet 1, 1, 2, 2 - Tetrafluor - 3, 3, 4, 4 - tetrachlorcyclobutan.Examples are given in the table below; the solution temperatures are usually around 10 to 20 ° higher than the specified separation temperatures. Segregation Composition of the solution Polymer swelling temperature temperature Weight percent ° C of the solution Ketone addition ° C 95% mesityl oxide ............... - 5 120 - 47% like .................... 47% C4F4Cl4¹) 6 - 105 95% acetophenone .............. - 5 160 - 47% like .................... 47% C4F4Cl4¹) 6 - 143 95% dimethylacetophenone - 5 I60 - 47% like .................... 47% C7H4F3Cl²) 6 - 155 95% chlorodiisopropyl ketone ....... - 5 135 - 47% like .................... 47% C7H4F3Cl²) 6 - 130 95% w-chloroacetophenone ........ - 5 160 - 95% w-chloropropiophenone ....... - 5 165 - 95% 2-methylhepten-2-one-6 ...... - 5 155 - 95% Phoron ................... - 5 160 - 95% methylcyclohexanone ....... - 5 160 - 47% like .................... 47% C4F4Cl4¹) 6 - 103 95% cyclohexanone ............. - 5 155 - 1) C4 F4 Cl4 means 1, 1, 2, 2 - tetrafluoro - 3, 3, 4, 4 - tetrachlorocyclobutane.

2) C7 H4 F3 Cl bedeutet 2 - Chlorbenzotrifluorid.2) C7 H4 F3 Cl means 2 - chlorobenzotrifluoride.

Die Verbindungen der genannten Art können auch als Weichmacher verwendet werden. Zweckmäßigerweise wählt man solche Verbindungen, die einen Siedepunkt von mindestens 300° bei Normaldruck besitzen. The compounds of the type mentioned can also be used as plasticizers will. Appropriately, one chooses those compounds that have a boiling point of have at least 300 ° at normal pressure.

Claims (2)

PATENTANSPRÜCHE: I. Verwendung von Cyclohexanon und dessen alkyl- und/oder chlorhaltigen Derivaten und von nichtcyclischen, oberhalb 110° siedenden Ketonen, die mindestens eine Alkyl- oder Arylgruppe und/oder mindestens ein Chloratom enthalten, als Lösungsmittel, Quellungsmittel, Verschnittmittel und Weichmacher für Polytnfluorchloräthylen, gegebenenfalls zusammen mit anderen Lösungsmitteln. PATENT CLAIMS: I. Use of cyclohexanone and its alkyl and / or chlorine-containing derivatives and non-cyclic ones boiling above 110 ° Ketones containing at least one alkyl or aryl group and / or at least one chlorine atom contain, as solvents, swelling agents, diluents and plasticizers for polyfluorochloroethylene, possibly together with other solvents. 2. Verwendung der über 300° bei Normaldruck siedenden Verbindungen gemäß Anspruch I als Weichmacher für Polytrifluorchloräthylen. 2. Use of the compounds boiling above 300 ° at normal pressure according to claim I as a plasticizer for polytrifluorochloroethylene. Angezogene Druckschriften: USA-Patentschrift Nr. 2 581 454. References: U.S. Patent No. 2,581,454.
DEF9356A 1952-06-26 1952-06-26 Solvents, swelling agents and plasticizers Expired DE929932C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEF9356A DE929932C (en) 1952-06-26 1952-06-26 Solvents, swelling agents and plasticizers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF9356A DE929932C (en) 1952-06-26 1952-06-26 Solvents, swelling agents and plasticizers

Publications (1)

Publication Number Publication Date
DE929932C true DE929932C (en) 1955-07-07

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
DEF9356A Expired DE929932C (en) 1952-06-26 1952-06-26 Solvents, swelling agents and plasticizers

Country Status (1)

Country Link
DE (1) DE929932C (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2581454A (en) * 1949-11-25 1952-01-08 Gen Electric Suspensions of polymeric chlorotrifluoroethylene

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2581454A (en) * 1949-11-25 1952-01-08 Gen Electric Suspensions of polymeric chlorotrifluoroethylene

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