DE1769723A1 - Process to improve the flexibility of crosslinked polyolefins - Google Patents

Process to improve the flexibility of crosslinked polyolefins

Info

Publication number
DE1769723A1
DE1769723A1 DE19681769723 DE1769723A DE1769723A1 DE 1769723 A1 DE1769723 A1 DE 1769723A1 DE 19681769723 DE19681769723 DE 19681769723 DE 1769723 A DE1769723 A DE 1769723A DE 1769723 A1 DE1769723 A1 DE 1769723A1
Authority
DE
Germany
Prior art keywords
additives
additive
polyolefin
hydrocarbons
flexibility
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
DE19681769723
Other languages
German (de)
Inventor
Hans Dipl-Ing Mayer
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.)
Vereinigte Draht und Kabelwerke AG
Original Assignee
Vereinigte Draht und Kabelwerke 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 Vereinigte Draht und Kabelwerke AG filed Critical Vereinigte Draht und Kabelwerke AG
Priority to DE19681769723 priority Critical patent/DE1769723A1/en
Publication of DE1769723A1 publication Critical patent/DE1769723A1/en
Pending 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
    • C08K5/01Hydrocarbons
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2312/00Crosslinking
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L91/00Compositions of oils, fats or waxes; Compositions of derivatives thereof
    • C08L91/005Drying oils

Description

Verfahren zur Vezbosserang der Elexibilität von vernetzten Polyolefinen Die Erfindung bezieht sich auf ein Verfahren, welches geeignet ist, die Biegsamkeit, d. h. die Flexibilität von vernetzten Polyolefinen, beispielsweise von vernetztem Polyäthylen, zu verbessern. Durch das Vernetzen des Polyolefins wird zwar das Material für bestimmte Anforderungen, beispielsweise bezüglich der Wärmebeständigkeit, verbessert, während die elektrischen Isoliereigenschaften gegenüber dem unvernetzten Material nahezu unverändert bleiben. Die Biegsamkein, besonders von dickeren Profilen, wird durch die Vernetsung des Polyolefin (insbesondere bei Polyäthylen) nicht oder nur unwesentlich verLidert.Process for increasing the flexibility of crosslinked polyolefins The invention relates to a method which is suitable for the flexibility, d. H. the flexibility of crosslinked polyolefins, for example crosslinked Polyethylene, to improve. The crosslinking of the polyolefin makes the material for certain requirements, for example with regard to heat resistance, improved, while the electrical insulation properties against the uncrosslinked material remain almost unchanged. The flexibility, especially of thicker profiles, is not or only because of the cross-linking of the polyolefin (especially in the case of polyethylene) insignificantly loused.

Wenn das vernetzte Polyolefin für die Isolierung von elektrischen Kabeln, oder auch für biegame Rohre bzw. Schläuche verwendet worden soll, ist eine gewisse Flexibilität wünschenswert. Eine erhöhte Flexibilität ist besonders dann er forderlich, wenn e8 sich um ortsbewsgliche Kabel und Schläuche handelt.When the crosslinked polyolefin for insulation of electrical Cables, or for flexible pipes or hoses been used a certain flexibility is desirable. There is increased flexibility especially necessary when e8 is about portable cables and hoses acts.

Der Erfindung liegt nun die Aufgabe zugrunde, vernetzte Polyolefine für die angegebenen Zwecke besser verwendber zu machen. Gelöst wird die Aufgabe gemä# der Erfindung dadurch, daß deia Polyolsfin vor dem @ernetzen ein flexibilisierender Zusatzstoff bzw. Zusatzstoffgemisch hinzugsgeben wird, walcher bzw. welches mit dem Vernetzungsmittel nicht oder nur ähnlich wie das Polyolefin reagiert.The invention is now based on the object of crosslinked polyolefins to make it more usable for the stated purposes. The task is solved According to the invention, the fact that the polyolsfin before the @ernetting a flexibilizing Additive or additive mixture is added, walcher or which one with the crosslinking agent does not react or only reacts similarly to the polyolefin.

Entsprechend weiteren Gedanken der Erfindung kann dieser Zusatzstoff aus aliphatischen, Insbesondere gesättigten Kohlenwasserstoffen bestehe Es können aber auch naphthenischs oder aromatische Kohlenwasserstoffe mit längeren aliphatisehen Seitenketten eingesetzt werden, au#erdem können in Fortsetzung des Gedankens der Verwendung von gesättigten aliphatischen Kohlenwasserstoffen (z. B. von Paraffinen) auch niedermolekulare Polyolefine, beispielsweise niedermolekulare Polyäthylene als Zusatz verwendet werden. Durch derarI;ige Zusätze kann bei geeigneter Dosierung außer einer Lexibilisierung auch noch eine bessere Kältefestigkeit erreicht werden.According to further ideas of the invention, this additive can It can consist of aliphatic, especially saturated hydrocarbons but also naphthenic or aromatic hydrocarbons with longer aliphatic properties Side chains can also be used, in continuation of the idea of Use of saturated aliphatic hydrocarbons (e.g. paraffins) also low molecular weight polyolefins, for example low molecular weight polyethylenes can be used as an additive. By derarI; ige Additions can be made when appropriate Dosage, besides lexibilization, also achieves better cold resistance will.

Als Beispiels für die obengenannten Zusätze, die einzoln oder in Gemischen eingesetzt werden können, können folgende Stoffe herangezogen werden: Paraffinöl, Paraffin, Octylcyclohexan, Dodecylbenzol.As an example of the above-mentioned additives, single or in mixtures can be used, the following substances can be used: paraffin oil, Paraffin, octylcyclohexane, dodecylbenzene.

Wichtig für die weicbmachenden Zusatzstoffe ist, daß sie mit dem Vernetzungsmittel für das Polyolefin, bei welchem es sich im allgemeinen um ein Peroxyd handelt, nicht bzw. nicht vorzugsweise reagieren, d. h. zumindest nur ähnlich reagieren wie das Polyolefin selbst.It is important for the whitening additives that they are compatible with the crosslinking agent for the polyolefin, which is generally a peroxide, not or not react preferentially, d. H. at least just react similarly to that Polyolefin itself.

Es ist anzustreben, daß die Zusatzstoffe mit dem Peroxyd reagieren, so da# der Peroxydazusatz nicht übermä#ig erhöht werden mu#. Es kann aber unter Umständen, in Abhängigkeit von der Molekularstruktur des Zusatzes, insbesondere wenn eine Wanderunstendenz des weichmachenden Zusatzes zu erwarten ist, wünschenswert sein, diesen teilweise mit einzuvernetzen, sc daß er aus dem makromolekularen Verband nicht auswandert.The aim is to ensure that the additives react with the peroxide, so that the peroxide addition does not have to be excessively increased. But it can be under Circumstances, depending on the molecular structure of the additive, in particular if a tendency for the plasticizing additive to migrate is to be expected, it is desirable be to partially cross-link this with, sc that it comes from the macromolecular association does not emigrate.

3. S. Beschreibung 6 Patent an sprüche Patentanspzüche3. S. Description 6 patent to claims Patent claims

Claims (6)

P a t e n t a n s p r ü c h e lo Verfahren zur Verbesserung der Flexibilität von vernetztem Polyolefin, dadurch gekennzeichnet, daß de Polyolefin vor dem Vernetzen ein flexibilisierender Zusatzstoff bzw. Zusatzstoffgemisch hinzugegeben wird, welcher bzw. welches mit dem Vernetzungsmittel nicht oder nur ähnlich wie das Polyolefin reagiert.P a t e n t a n s p r ü c h e lo Process to improve flexibility of crosslinked polyolefin, characterized in that the polyolefin prior to crosslinking a flexibilizing additive or additive mixture is added, which or which with the crosslinking agent not or only similar to the polyolefin reacted. 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß als Zusatzstoff aliphatische Kohlenwasserstoffe, insbesondere gesättigte Kohlenwasserstoffe, beispielsweise Paraffinöl, Paraffin, verwendet werden.2. The method according to claim 1, characterized in that as an additive aliphatic hydrocarbons, especially saturated hydrocarbons, for example Paraffin oil, paraffin, can be used. 3. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß als Zusatzstoffe aromatische Kohlenwasserstoffe Bit einer oder mehreren, vorzugsweise längeren, aliphatischen Seitenketten, wie Alkylbenzole (z. B. Dodecylbenzol), verwendet werden.3. The method according to claim 1, characterized in that as additives aromatic hydrocarbons bit one or more, preferably longer, aliphatic Side chains such as alkylbenzenes (e.g. dodecylbenzene) can be used. 4. Verfahren nach Anspruch 1, dadurch gekennzelchnet, daß als Zusatzetoffe naphtenische Kohlenwasserstoffe mit aliphatischen Seltenketten, beispielsweise Octylcyclohexan, verwendet werden.4. The method according to claim 1, characterized in that as additives naphthenic hydrocarbons with aliphatic rare chains, for example octylcyclohexane, be used. 5. Verfahren nach Anspruch 1, dadurch gekannzeichnet, daß als Zusatzstoffe niedermolekulare Polyäthylene verwendet werden.5. The method according to claim 1, characterized in that as additives low molecular weight polyethylenes are used. 6. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß als Zusatzstoffe Mineralöle verwendet werden, die überwiegend Komponenten nach Anspruch 2, 3 oder 4 enthalten,6. The method according to claim 1, characterized in that as additives Mineral oils are used, the predominantly components according to claim 2, 3 or 4 included,
DE19681769723 1968-07-03 1968-07-03 Process to improve the flexibility of crosslinked polyolefins Pending DE1769723A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19681769723 DE1769723A1 (en) 1968-07-03 1968-07-03 Process to improve the flexibility of crosslinked polyolefins

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681769723 DE1769723A1 (en) 1968-07-03 1968-07-03 Process to improve the flexibility of crosslinked polyolefins

Publications (1)

Publication Number Publication Date
DE1769723A1 true DE1769723A1 (en) 1972-02-10

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Family Applications (1)

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DE19681769723 Pending DE1769723A1 (en) 1968-07-03 1968-07-03 Process to improve the flexibility of crosslinked polyolefins

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Country Link
DE (1) DE1769723A1 (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7805780A (en) * 1977-05-26 1978-11-28 Mitsui Petrochemical Ind THERMOPLASTIC ELASTOMER COMPOSITION, MIXTURES OF THIS COMPOSITION WITH AN ALKINES PLASTIC, AND FOAMED PRODUCTS OF THE COMPOSITION AND MIXERS.
EP0315363A2 (en) * 1987-11-02 1989-05-10 Ford Motor Company Limited Elastomer compositions with superior low temperature flexibility
WO2006083540A1 (en) * 2005-02-02 2006-08-10 Exxonmobil Chemical Patents Inc. Modified polyethylene compositions
US7795366B2 (en) 2002-08-12 2010-09-14 Exxonmobil Chemical Patents Inc. Modified polyethylene compositions
WO2011057927A1 (en) * 2009-11-11 2011-05-19 Borealis Ag A polymer composition and a power cable comprising the polymer composition
US9365708B2 (en) 2009-11-11 2016-06-14 Borealis Ag Cable and production process thereof
US9595374B2 (en) 2010-11-03 2017-03-14 Borealis Ag Polymer composition and a power cable comprising the polymer composition
US10246527B2 (en) 2009-11-11 2019-04-02 Borealis Ag Polymer composition comprising a polyolefin produced in a high pressure process, a high pressure process and an article
US11078312B2 (en) 2009-11-11 2021-08-03 Borealis Ag Crosslinkable polymer composition and cable with advantageous electrical properties

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2392072A1 (en) * 1977-05-26 1978-12-22 Mitsui Petrochemical Ind THERMOPLASTIC ELASTOMERIC COMPOSITION, MIXTURES OF THIS COMPOSITION WITH OLEFINIC PLASTICS, AND EXPANDED PRODUCTS OF THIS COMPOSITION AND OF THESE MIXTURES
NL7805780A (en) * 1977-05-26 1978-11-28 Mitsui Petrochemical Ind THERMOPLASTIC ELASTOMER COMPOSITION, MIXTURES OF THIS COMPOSITION WITH AN ALKINES PLASTIC, AND FOAMED PRODUCTS OF THE COMPOSITION AND MIXERS.
EP0315363A2 (en) * 1987-11-02 1989-05-10 Ford Motor Company Limited Elastomer compositions with superior low temperature flexibility
EP0315363A3 (en) * 1987-11-02 1990-03-28 Ford Motor Company Limited Elastomer compositions with superior low temperature flexibility
US7795366B2 (en) 2002-08-12 2010-09-14 Exxonmobil Chemical Patents Inc. Modified polyethylene compositions
CN101137708B (en) * 2005-02-02 2012-03-28 埃克森美孚化学专利公司 Modified polyethylene compositions
WO2006083540A1 (en) * 2005-02-02 2006-08-10 Exxonmobil Chemical Patents Inc. Modified polyethylene compositions
US9365708B2 (en) 2009-11-11 2016-06-14 Borealis Ag Cable and production process thereof
US10246527B2 (en) 2009-11-11 2019-04-02 Borealis Ag Polymer composition comprising a polyolefin produced in a high pressure process, a high pressure process and an article
EA022397B1 (en) * 2009-11-11 2015-12-30 Бореалис Аг A polymer composition and a power cable comprising the polymer composition and a process for producing the same
WO2011057927A1 (en) * 2009-11-11 2011-05-19 Borealis Ag A polymer composition and a power cable comprising the polymer composition
US9587043B2 (en) 2009-11-11 2017-03-07 Borealis Ag Polymer composition and a power cable comprising the polymer composition
US11756700B2 (en) 2009-11-11 2023-09-12 Borealis Ag Polymer composition and a power cable comprising the polymer composition
US11390699B2 (en) 2009-11-11 2022-07-19 Borealis Ag Crosslinkable polymer composition and cable with advantageous electrical properties
AU2010318181B2 (en) * 2009-11-11 2014-03-27 Borealis Ag A polymer composition and a power cable comprising the polymer composition
US10453585B2 (en) 2009-11-11 2019-10-22 Borealis Ag Polymer composition and a power cable comprising the polymer composition
US11078312B2 (en) 2009-11-11 2021-08-03 Borealis Ag Crosslinkable polymer composition and cable with advantageous electrical properties
US10875939B2 (en) 2009-11-11 2020-12-29 Borealis Ag Polymer composition comprising a polyolefin produced in a high pressure process, a high pressure process and an article
US10950366B2 (en) 2010-11-03 2021-03-16 Borealis Ag Polymer composition and a power cable comprising the polymer composition
US10586634B2 (en) 2010-11-03 2020-03-10 Borealis Ag Polymer composition and a power cable comprising the polymer composition
US10032543B2 (en) 2010-11-03 2018-07-24 Borealis Ag Polymer composition and a power cable comprising the polymer composition
US9595374B2 (en) 2010-11-03 2017-03-14 Borealis Ag Polymer composition and a power cable comprising the polymer composition

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