DE1019459B - Process for the production of free-flowing, plasticizer-containing agglomerates from emulsion polymers of chlorine-containing vinyl compounds - Google Patents

Process for the production of free-flowing, plasticizer-containing agglomerates from emulsion polymers of chlorine-containing vinyl compounds

Info

Publication number
DE1019459B
DE1019459B DEC10586A DEC0010586A DE1019459B DE 1019459 B DE1019459 B DE 1019459B DE C10586 A DEC10586 A DE C10586A DE C0010586 A DEC0010586 A DE C0010586A DE 1019459 B DE1019459 B DE 1019459B
Authority
DE
Germany
Prior art keywords
plasticizer
agglomerates
chlorine
free
flowing
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.)
Pending
Application number
DEC10586A
Other languages
German (de)
Inventor
Dipl-Ing Helmut Koenig
Dr Wilhelm Klein
Dr Georg Wick
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.)
Huels AG
Original Assignee
Chemische Werke Huels 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 Chemische Werke Huels AG filed Critical Chemische Werke Huels AG
Priority to DEC10586A priority Critical patent/DE1019459B/en
Publication of DE1019459B publication Critical patent/DE1019459B/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/18Plasticising macromolecular compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00Characterised by the use of 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; Derivatives of such polymers
    • C08J2327/02Characterised by the use of 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; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/04Characterised by the use of 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; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Description

Verfahren zur Herstellung von rieselfähigen, weichmacherhaltigen Agglomeraten aus Emulsionspolymerisaten chlorhaltiger Vinylverbindungen Es ist bekannt, daß man aus Emulsionspolymensaten chlorbaltiger Vinylverbindungen unter Zu, satz von Weichmacher ein rieselfähiges Agglomerat herstellen kann, wenn man in einem beheizten Mischer dem Polymerisat, gegebenen. falls nach Zugabe von Stabilisator, Gleitmittel und/oder Farbstoffen, bei einer Temperatur des pulverförmigen Mischgutes im Bereich der Dehnungstemperaturen (20 bis 300 oberballs des Erweichungspunktes des reinen Polymerisates) unter stetigem gutem Durchmischen den kalten Weichmacher im feinverteilten Zustand zugibt. Durch die Bentzung der festen Teilchen mit Weichmacher tritt eine Agglomeration ein, die zu kugelförmigen Gebilden führt. Gleichzeitig findet im Laufe des Mischvorganges ein Gelierprozeß statt, dessen Ausmaß eine funktion von Temperaturh0he und Zeit ist. Nach diesem Verfahren lassen sich Miscungen von Emulsionspolymeristen in-it Weichmacher nur bis zu einem Wiechmachergehalt von etwa 300/0 herstellen. Process for the production of free-flowing, plasticizer-containing Agglomerates from emulsion polymers of chlorine-containing vinyl compounds It is known that from emulsion polymers of chlorine-containing vinyl compounds with addition of plasticizer can produce a free-flowing agglomerate if one is in a heated mixer given to the polymer. if after adding stabilizer, Lubricants and / or dyes, at the same temperature as the powdery mix in the range of elongation temperatures (20 to 300 above the softening point of the pure polymer) with constant thorough mixing of the cold plasticizer admits in the finely divided state. By using the solid particles with plasticizers agglomeration occurs, which leads to spherical structures. Simultaneously a gelling process takes place in the course of the mixing process, the extent of which is a function of temperature level and time. Using this method, mixtures of Emulsion polymerists in-it plasticizers only up to a plasticizer content of approx 300/0.

Gibt man weiter Mengen Weichmacher zu, so entsteht kurzzeitig eine Paste, die sofort geliert und die Mischvorrichtung blockiert. Zur Herstellung von rieselfähigen Agglomeraten mit einem Weichmachergehalt von man als etwa 30%, wie sie für viele Verwendeungzwecke benötigt werden, ist dieses Verfahren also nicht geeignet.If further quantities of plasticizer are added, a will be produced for a short time Paste that gels instantly and blocks the mixing device. For production of free-flowing agglomerates with a plasticizer content of one than about 30%, such as they are needed for many purposes, so this method is not suitable.

Es ist auch bereits vorgeschlagen worden, rieselfähige, sweichmacherhaltige Mischungen aus thermoplastischen Polymerisaten dadurch herzustellen, daß man die thermoplastischen Polymerisate mit so viel Weichmacher versetzt. daß ein öliges grobes Mehl entsteht, und dieses Mehl dann im heißen Gasstrom nach dem Fluid-Verfahren angeliert und wieder abkühlt, bevor es zu weitgehend agglomerieren kanal. It has also already been proposed to use free-flowing, plasticizer-containing Preparing mixtures of thermoplastic polymers by the fact that so much plasticizer has been added to thermoplastic polymers. that an oily Coarse flour is produced, and this flour is then placed in a hot gas stream using the fluid process gels and cools again before it canal to a large extent agglomerate.

Diese Arbeitsweise erfordert die mit der Anwendung des Fluid-Verfahrens verbundenen erheblichen Aufwendungen für Vorrichtungen und Energien und führt, vor allem bei der Anwendung größerer Weichmachermengen, nicht mit Sicherheit zu einwandfrei rieselfähigen Agglomeraten.This mode of operation requires the use of the fluid process associated considerable expenses for devices and energies and leads, before especially when using larger amounts of plasticizer, not with certainty too flawless free-flowing agglomerates.

Es wurde nun gefunden, daß man diese Nachteile vermeiden und. rieselfähige Agglomerate aus Emulsionspolymerisaten chlorhaltiger vinylverbindungen, wie Vinylchlorid, vinylidenchlorid und deren Mischpolymerisaten, und Weichmachern mit einem Weichmachergehalt von mehr als etwa 30% herstellen kann, wenn man zunächst in bekannter Weise durch Zugabe von kaltem Weichmacher zu dem in einem beizbaren Mischer auf über seinen Erweichungspunkt erwärmten Emulsionspolymerisat Agglomerate mit mindestens etwa 10-0/o Weichmachergchalt herstellt und- weisen nach Abkühlung auf etwa Raumtemperatur in einem kalten Mischer weitere Mengen Weichmacher, der auf Temperaturen von 10 bis 400 oberhalb des Er- weichungspunktes des reinen Polymerisa.tes erwärmt worden ist, zweckmäßig in Portionen von 2 bis 50/0 zufügt. Dabei entsteht ohne Durchlaufen eines pastösen Zustandes ein rieselfähiges, staubfreies, kugeliges Agglomerat, und es lassen sich Mischungen mit einem Weichmachergehalt von 500/0 und mehr herstellen. It has now been found that these disadvantages can be avoided and. pourable Agglomerates of emulsion polymers of chlorine-containing vinyl compounds, such as vinyl chloride, vinylidene chloride and their copolymers, and plasticizers with a plasticizer content of more than about 30% can be produced if you first go through in a known manner Adding cold plasticizer to the mix in a pickled mixer on top of his Softening point heated emulsion polymer agglomerates with at least about 10-0 / o plasticizer content produces and - after cooling down to about room temperature In a cold mixer, add more plasticizer to temperatures of 10 up to 400 above the softening point of the pure Polymerisa.tes been heated is, expediently in portions of 2 to 50/0. This creates without traversing a pasty state a free-flowing, dust-free, spherical agglomerate, and Mixtures with a plasticizer content of 500/0 and more can be produced.

Ein weiterer Vorteil des Verfahrens nach. der Erfindung besteht darin, daß die Weichmacherzugabe weniger Zeit erfordert als nach der bekannten Arbeitsweise. Beispielsweise dauert die Zumischung von 30% Weichmacher nach dem bekanten Verfahren 60 Minuen, Sellt man jedoch zunächst in bekannter Weise Agglomerate aus 80% Plymerisat und 20% Weichmacher her und gibt die restlichen 100/o Weichmacher nach der Erfindung zu, so dauert der ganze Vorgang nur 35 bis 40 Minuten. Dabei ist es ohne weiteres möglich, dem warmen Weichmacher Farbstoffe zuzugeben, so daß die Agglomerate je nach Wunsch farblich nuanciert werden können. Die nach der Erfindung hergestellten, hoch weichmacherhaltigen Polymerisate gestatten einen leichten Transport an die Verarbeitungsstätte und ermöglichen die Verwendung von Schneclcenpressen mit einer Schnecke zu ihrer weiteren Verarbeitung.Another advantage of the procedure after. the invention consists in that the addition of plasticizer requires less time than according to the known procedure. For example, the addition of 30% plasticizer takes the known method 60 minutes, however, if one first sells agglomerates of 80% polymerizate in a known manner and 20% plasticizer and gives the remaining 100 / o plasticizer according to the invention too, the whole process only takes 35 to 40 minutes. It is without further ado possible to add dyes to the warm plasticizer, so that the agglomerates each can be nuanced in color as desired. The manufactured according to the invention, highly plasticizer-containing polymers allow easy transport to the Processing facility and allow the use of Schneclcenpresse with a Snail for further processing.

Claims (2)

PATENTANSPRÜCHE: 1. Verfahren zur herstellung von riselfäigen Agglomeraten aus Emulsionspolymerisaten chlorhaltiger Verbindungen, wie Vinylchlorid, Vinylidenchlorid und deren Mischpolymerisaten, und Weichmachern mit einem Weichmachergehalt von mehr als etwa 30°/e, dadurch gekennzeichnet, daB man zunächst in bekannter Weise durch Zugabe von kaltem Weichmacher zu dem in einem heizbaren Mischer auf über seinen Erweichungspunkt erwärmten Polymerisat das bereits die notwendigen Mengen an Stabilisatoren, Gleitmitteln, Füll-und/oder Farbstoffen enthalten kann, Agglomerate mit mindestens etwa I0-°/o Weichmachergehalt herstellt und diesen nach Abkühlung auf etwa Rumtemperatur in einem kalten Mischer weitere Mengen Weichmacher, der auf Temperaturen von 10 bis 400 üi>er dem Erweichungspunkt des reinen Polymerisates erwärmt worden ist, zweckmäßig in kleinen Portionen zufügt. PATENT CLAIMS: 1. Process for the production of agglomerates capable of being raised from emulsion polymers of chlorine-containing compounds, such as vinyl chloride, vinylidene chloride and their copolymers, and Plasticizers with a plasticizer content of more than about 30 ° / e, characterized in that it is initially carried out in a known manner by adding cold plasticizer to that in a heated mixer on over his Softening point heated polymer that already has the necessary amounts of stabilizers, Can contain lubricants, fillers and / or dyes, agglomerates with at least produces about 10% plasticizer content and this after cooling to about room temperature in a cold mixer more Amounts of plasticizer that can be used at temperatures from 10 to 400 above the softening point of the pure polymer is appropriate adds in small portions. 2. Verfahren nach anspruch, 1, dadurch gekennziechne,t daß dem warmen Weichmacher Farbstoffe zugegben werden. 2. The method according to claim 1, thereby gekennziechne, t that the warm Plasticizer dyes are added. In. Betracht gezogene Druckschriften: Französische Patentschrift Nr. 963 553; britische Patentschrift Nr. 653 965. In. Documents considered: French patent specification No. 963 553; British Patent No. 653,965.
DEC10586A 1955-01-15 1955-01-15 Process for the production of free-flowing, plasticizer-containing agglomerates from emulsion polymers of chlorine-containing vinyl compounds Pending DE1019459B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEC10586A DE1019459B (en) 1955-01-15 1955-01-15 Process for the production of free-flowing, plasticizer-containing agglomerates from emulsion polymers of chlorine-containing vinyl compounds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEC10586A DE1019459B (en) 1955-01-15 1955-01-15 Process for the production of free-flowing, plasticizer-containing agglomerates from emulsion polymers of chlorine-containing vinyl compounds

Publications (1)

Publication Number Publication Date
DE1019459B true DE1019459B (en) 1957-11-14

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Family Applications (1)

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DEC10586A Pending DE1019459B (en) 1955-01-15 1955-01-15 Process for the production of free-flowing, plasticizer-containing agglomerates from emulsion polymers of chlorine-containing vinyl compounds

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR963553A (en) * 1950-07-17
GB653965A (en) * 1947-09-04 1951-05-30 Goodrich Co B F Improvements in or relating to the preparation of thermoplastic compositions

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR963553A (en) * 1950-07-17
GB653965A (en) * 1947-09-04 1951-05-30 Goodrich Co B F Improvements in or relating to the preparation of thermoplastic compositions

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