DE1769723A1 - Process to improve the flexibility of crosslinked polyolefins - Google Patents
Process to improve the flexibility of crosslinked polyolefinsInfo
- 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
Links
Classifications
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- 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
- C08K5/01—Hydrocarbons
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
- C08L91/005—Drying 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)
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 |
Family
ID=5700242
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19681769723 Pending DE1769723A1 (en) | 1968-07-03 | 1968-07-03 | Process to improve the flexibility of crosslinked polyolefins |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE1769723A1 (en) |
Cited By (9)
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 |
-
1968
- 1968-07-03 DE DE19681769723 patent/DE1769723A1/en active Pending
Cited By (22)
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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