DE2331773A1 - Polyolefin moulding compsns - contg. cyclopentadienyl metal carbonyls to accelerate decompsn by light - Google Patents

Polyolefin moulding compsns - contg. cyclopentadienyl metal carbonyls to accelerate decompsn by light

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Publication number
DE2331773A1
DE2331773A1 DE2331773A DE2331773A DE2331773A1 DE 2331773 A1 DE2331773 A1 DE 2331773A1 DE 2331773 A DE2331773 A DE 2331773A DE 2331773 A DE2331773 A DE 2331773A DE 2331773 A1 DE2331773 A1 DE 2331773A1
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DE
Germany
Prior art keywords
cyclopentadienyl
polyolefin
light
compsns
polymer
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
DE2331773A
Other languages
German (de)
Inventor
Helmut Dipl Chem Dr Barzynski
Dietrich Dipl Chem Dr Saenger
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.)
BASF SE
Original Assignee
BASF SE
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Filing date
Publication date
Application filed by BASF SE filed Critical BASF SE
Priority to DE2331773A priority Critical patent/DE2331773A1/en
Publication of DE2331773A1 publication Critical patent/DE2331773A1/en
Pending legal-status Critical Current

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    • 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
    • C08K5/56Organo-metallic compounds, i.e. organic compounds containing a metal-to-carbon bond

Abstract

Polyolefin moulding compsns. contg. (1) a thermoplastic, synthetic, high-polymer polyolefin and (2) 0.01 to 3 wt% (w.r.t. the polyolefin) of >=1 sensitisers of formula: cyclopentadienyl-Mn(CO)3, cyclopentadienyl-Co(CO)2, cyclopentadienyl-V(CO)4, cyclopentadienyl-Cr(CO)3 2, cyclopentadienyl-Mo(CO)3 2, cyclopentadienyl-W(CO)3 2, and/or cyclopentadienyl-Ni(CO)2 2. The high polymer olefins are polymers of e.g. ethylene or propylene from which disposable prods., e.g. packing foil, are produced in large quantities. Such polymers include polyethylene, polypropylene and polybutylene-(1). The polymers may also contain expanding agents for forming foamed prods., lubricating agents, pigments, dyes. The sensitisers may be used singly or as mixts. of >2. These additives may be incorporated into the polyolefin compsns. by conventional methods, e.g. using rolls or extruders. The compsns. can be moulded using conventional appts. The sensitisers accelerate the decompsn. of the polymer prods. under the influence of light without effecting other props. adversely.

Description

Badische Anilin- ■$· Soda-Faorik AGBadische Anilin- ■ $ · Soda-Faorik AG

Unser Zeichen; O.Z. 29 9^6 HWz/St 67OO Ludwigshafen, 20.6.1973 Our sign; OZ 29 9 ^ 6 HWz / St 67OO Ludwigshafen, June 20th, 1973

Polyolefin-Formmassen, die unter Lichteinwirkung beschleunigtPolyolefin molding compounds that accelerate when exposed to light

abbauendismantle

Die vorliegende Erfindung betrifft Polyolefin-Formmassen, die unter Lichteinwirkung beschleunigt abbauen, enthaltend (l) ein thermoplastisches, synthetisches, hochpolymeres Polyolefin sowie (2) 0,01 bis 3 Gewichtsprozent - bezogen auf das Polyolefin eines den Abbau des Polyolefins unter Lichteinwirkung beschleunigenden Stoffes (Sensibilisator).The present invention relates to polyolefin molding compositions which degrade more rapidly under the action of light, containing (I) a thermoplastic, synthetic, high-polymer polyolefin and (2) 0.01 to 3 percent by weight - based on the polyolefin one the degradation of the polyolefin under the action of light accelerating substance (sensitizer).

Formmassen dieser Art sind bekannt; sie enthalten als Polyolefine im allgemeinen Polymerisate des Äthylens oder Propylens, also Massen-Kunststoffe, aus denen in grossen Mengen Wegwerf-Produkte hergestellt werden, z.B. Verpackungen in Folien- oder anderer Form, Neben den Polyolefinen enthalten die Formmassen der in Rede stehenden Art noch Sensibilisatoren, d.h. Stoffe, die den Abbau des Polyolefins unter Lichteinwirkung beschleunigen. Als solche Stoffe hat man z.B. Abkömmlinge des ^-Pyrons verwendet (französische Patentschrift 2 060 667).Molding compositions of this type are known; As polyolefins, they generally contain polymers of ethylene or propylene, ie Bulk plastics, from which large quantities of disposable products are produced, e.g. packaging in film or other form, In addition to the polyolefins, the molding compounds contain the standing type still sensitizers, i.e. substances that accelerate the degradation of the polyolefin when exposed to light. As such Substances have been used, for example, descendants of the ^ -pyron (French Patent Specification 2,060,667).

Eigentliche Aufgabe der Sensibilisatoren ist es, die aus den Formmassen hergestellten Produkte umweltfreundlicher zu machen in dem Sinne, dass diese nach Gebrauch möglichst schnell verrotten. Daneben müssen die Sensibilisatoren meist noch weitere Bedingungen erfüllen.The actual task of the sensitizers is to make the products made from the molding compounds more environmentally friendly in the sense that they rot as quickly as possible after use. In addition, the sensitizers usually need more Satisfy conditions.

Verlangt wird z.B., dass sie die sonstigen Eigenschaften der Formmassen nicht oder möglichst wenig nachteilig beeinflussen, etwa die Verarbeitbarkeit sowie die physikalischen und chemischen Verhaltenswerte. Auch müssen die Sensibilisatoren in vielen Fällen physiologisch unbedenklich sein (Lebensmittelverpackungen!).It is required, for example, that the other properties of the Do not, or as little as possible, adversely affect molding compounds, such as processability and physical and chemical properties Behavioral values. In many cases, the sensitizers must also be physiologically harmless (food packaging!).

332/73 -2-332/73 -2-

409884/1207409884/1207

- 2 - O.Z. 29 9^6- 2 - OZ 29 9 ^ 6

Aufgabenstellung der vorliegenden Erfindung war es, für die eingangs definierten Polyolefin-Formmassen solche Sensibilisa- · toren aufzuzeigen, die den bekannten überlegen sind.The object of the present invention was to provide such sensitization · to show goals that are superior to the known ones.

Es wurde gefunden, dass diese Aufgabe gelöst werden kann, wenn man als Sensibilisatoren bestimmte Übergangsmetallcarbonyl-Verbindungen einsetzt.It has been found that this object can be achieved if certain transition metal carbonyl compounds are used as sensitizers begins.

Gegenstand der vorliegenden Erfindung sind dementsprechend Polyolefin-Formmassen, die unter Lichteinwirkung beschleunigt abbauen, enthaltend (l) ein thermoplastisches, synthetisches, hochpolymeres Polyolefin sowie (2) 0,01 bis 3, vorzugsweise 0,05 bis 0,5 Gewichtsprozent - bezogen auf das Polyolefin - eines den Abbau des Polyolefins unter Lichteinwirkung beschleunigenden Stoffes (Sensibilisator). Die erfindungsgemässen Formmassen sind dadurch gekennzeichnet, dass sie als Sensibilisator einen Stoff der FormelThe present invention accordingly relates to polyolefin molding compositions, which degrade more rapidly under the action of light, containing (l) a thermoplastic, synthetic, high-polymer Polyolefin and (2) 0.01 to 3, preferably 0.05 to 0.5 percent by weight - based on the polyolefin - of one that accelerates the degradation of the polyolefin under the action of light Substance (sensitizer). The molding compositions according to the invention are characterized in that they act as a sensitizer Substance of the formula

Cyclopentadienyl-Mn (CO)-,,Cyclopentadienyl-Mn (CO) - ,,

Cyclopentadienyl-V (CO)^,Cyclopentadienyl-V (CO) ^,

Cyclopentadienyl-Co(C0)2, CCyclopentadienyl-Cr(CO) [cyclopentadienyl-Mo(CO)j [cyclopentadienyl-w(CO)-Zl 2 und/oder (Cyclopentadienyl-Ni (CO)2]Cyclopentadienyl-Co (C0) 2 , CCyclopentadienyl-Cr (CO) [cyclopentadienyl-Mo (CO) j [cyclopentadienyl-w (CO) -Zl 2 and / or (cyclopentadienyl-Ni (CO) 2 ]

enthalten.contain.

Anders ausgedrückt, ist Gegenstand der vorliegenden Erfindung die Verwendung eines Stoffes der FormelIn other words, the present invention relates to the use of a substance of the formula

Cyclopentadienyl-Mn(CO),, Cyclopentadienyl-Co(C0)2, Cyclopentadienyl-V(C 0)^ jCyclopentadienyl-Cr(CO) JJ (cyclopentadienyl-Mo(CO)J] jcyclopentadienyl-w(CO) j 2 und/oder JCyclopentadienyl-Ni (CO)2ICyclopentadienyl-Mn (CO) ,, Cyclopentadienyl-Co (C0) 2 , Cyclopentadienyl-V (C 0) ^ jCyclopentadienyl-Cr (CO) JJ (cyclopentadienyl-Mo (CO) J] jcyclopentadienyl-w (CO) j 2 and / or J-cyclopentadienyl-Ni (CO) 2 I.

-3-40988 A/1207-3-40988 A / 1207

- 3 - O.Z. 29 946- 3 - O.Z. 29 946

als Sensibilisator in Polyolefin-Formmassen, die unter Lichteinwirkung beschleunigt abbauen und enthalten (l) ein thermoplastisches, synthetisches, hochpolymeres Polyolefin sowie (2) 0,01 bis 3* vorzugsweise 0,05 bis 0,5 Gewichtsprozent - bezogen auf das Polyolefin - eines den Abbau des Polyolefins unter Lichteinwirkung beschleunigenden Stoffes (Sensibilisator).as a sensitizer in polyolefin molding compounds that are exposed to light accelerate degradation and contain (l) a thermoplastic, synthetic, high-polymer polyolefin and (2) 0.01 to 3 *, preferably 0.05 to 0.5 percent by weight - based on on the polyolefin - a substance that accelerates the degradation of the polyolefin when exposed to light (sensitizer).

Für den erfindungsgemässen Zweck geeignete Polyolefine sind die einschlägig üblichen. Als bevorzugt geeignet haben sich erwiesen Polyäthylen, Polypropylen und auch noch Polybuten-(l). - Die zum erfindungsgemässen Zweck geeigneten Polyolefine sind in grosser Vielfalt im Handel erhältlich, so dass sich nähere Aussagen zu ihnen erübrigen. Erwähnt sei lediglich, dass die Polyolefine die einschlägig üblichen Hilfs- bzw. Zusatzstoffe enthalten können, z.B. Treibmittel zum Herstellen schaumförmiger Produkte, Gleitmittel, Pigmente, Farbstoffe usw.. Enthalten die Polyolefine auch Lichtstabilisatoren, so wirken diese im allgemeinen den Sensibilisatoren in gewissem Umfang entgegen.Polyolefins suitable for the purpose according to the invention are those which are customary in the relevant field. Have proven to be particularly suitable Polyethylene, polypropylene and also polybutene- (l). - The polyolefins suitable for the purpose according to the invention are large Variety available in stores, so there is no need to provide more detailed information about them. It should only be mentioned that the polyolefins may contain the relevant customary auxiliaries or additives, e.g. propellants for the production of foam-shaped products, lubricants, pigments, dyes, etc. Contain the polyolefins also light stabilizers, these generally counteract the sensitizers to a certain extent.

Die erfindungsgemäss einzusetzenden Sensibilisatoren sindThe sensitizers to be used according to the invention are

Cyclopentadienyl-Mn(CO), ,Cyclopentadienyl-Mn (CO),,

Cyclopentadienyl-Co(C0)2,Cyclopentadienyl-Co (C0) 2 ,

Cyclopentadienyl-V(CO)^
|cyclopentadienyl-Cr(CO) J 2 (cyclopentadienyl-Mo(CO)J 2 [cyclopentadienyl-W(CO) ] 2 und/oder LCyclopentadienyl-Ni(C0)21 2
Cyclopentadienyl-V (CO) ^
| cyclopentadienyl-Cr (CO) J 2 (cyclopentadienyl-Mo (CO) J 2 [cyclopentadienyl-W (CO) ] 2 and / or LCyclopentadienyl-Ni (C0) 2 1 2

Diese für den erfindungsgemässen Zweck als Einzelindividuen oder als Gemische aus zwei oder mehr Einzelindividuen einzusetzenden Stoffe sind als solche bekannt, so dass sich insoweit nähere Angaben erübrigen.These to be used for the purpose according to the invention as individual individuals or as mixtures of two or more individual individuals Substances are known as such, so that further details are not required.

Das Herstellen der in Rede stehenden Polyolefin-Formmassen aus den Komponenten kann in. einfacher Weise erfolgen, so wie manThe polyolefin molding compositions in question can be produced from the components in a simple manner, as can be done

-4--4-

409884/1207409884/1207

- 4· - O.Z. 29- 4 · - O.Z. 29

üblicherweise Additive in die betroffenen Polyolefine - möglichst homogen - einarbeitet, z.B. durch Walzen oder Extrudieren.Usually additives are incorporated into the polyolefins concerned - as homogeneously as possible - e.g. by rolling or extrusion.

Auch das Verarbeiten der Formmassen zu Formteilen kann ohne weiteres mit den für die betroffenen Polyolefine üblichen Vorrichtungen erfolgen.The processing of the molding compositions into molded parts can also be carried out without further ado using the devices customary for the polyolefins in question take place.

Die Formmassen wird man vor allem zum Herstellen solcher Produkte verwenden, die unter Lichteinwirkung schnell abbauen sollen. Dies sind in erster Linie, für Verpackungszwecke bestimmte Produkte, wie Behältnisse und Folien aus geschäumten oder ungeschäumten Formmassen; - aber auch andere Produkte, z.B. Mulchfolien für gärtnerische und landwirtschaftliche Zwecke, kommen in Betracht.The molding compounds will be used primarily for the manufacture of products that are supposed to degrade quickly when exposed to light. this are primarily products intended for packaging purposes, such as containers and foils made of foamed or non-foamed Molding compounds; - But other products, e.g. mulch films for horticultural and agricultural purposes, can also be considered.

-5-409884/1207-5-409884 / 1207

Claims (2)

PatentansprücheClaims 1. Polyolefin-Formmassen, die unter Lichteinwirkung beschleunigt abbauen, enthaltend (l) ein thermoplastisches, synthetisches, hochpolymeres Polyolefin sowie (2) 0,01 bis J5 Gewichtsprozent - bezogen auf das Polyolefin - eines den Abbau des Polyolefins unter Lichteinwirkung beschleunigenden Stoffes (Sensibilisator), dadurch gekennzeichnet, dass die Formmassen als Sensibilisator einen Stoff der Formel1. Polyolefin molding compounds that degrade more rapidly under the action of light, containing (l) a thermoplastic, synthetic, high-polymer polyolefin and (2) 0.01 to J5 percent by weight - based on the polyolefin - of a substance that accelerates the degradation of the polyolefin under the action of light (sensitizer ), characterized in that the molding compositions are a substance of the formula as a sensitizer Cyclopentadienyl·Cyclopentadienyl Cyclopentadienyl' Cyclopentadieny1 [cyclopentadienylCyclopentadienyl 'Cyclopentadieny1 [cyclopentadienyl [Cyclopentadienyl [Cyclopentadienyl [Cyclopentadienyl[Cyclopentadienyl [cyclopentadienyl [cyclopentadienyl -Mn(CO),, -Co(CO)2, -V(CO)4 -Cr(CO)J-Mn (CO) ,, -Co (CO) 2 , -V (CO) 4 -Cr (CO) J -W(CO)J -Ni(CO)2]-W (CO) J -Ni (CO) 2 ] und/oderand or enthalten.
contain.
2. Verwendung eines Stoffes der Formel2. Use of a substance of the formula Cyclopentadieny1-Mn(CO)3, Cyclopentadienyl-Co(C0)2, Cyclopentadienyl-V(CO)4 [cyclopentadienyl-Cr(CO)3J [cyclopentadienyl-[cyclopentadienyl- [cyclopentadieny 1-Ni(CO)2ICyclopentadienyl-Mn (CO) 3 , cyclopentadienyl-Co (CO) 2 , cyclopentadienyl-V (CO) 4 [cyclopentadienyl-Cr (CO) 3 J [cyclopentadienyl- [cyclopentadienyl- [cyclopentadienyl- [cyclopentadienyl 1-Ni (CO) 2] und/oderand or als Sensibilisator in Polyolefin-Formmassen, die unter Lichteinwirkung beschleunigt abbauen und enthalten (l) ein thermo-as a sensitizer in polyolefin molding compounds that are exposed to light accelerate degradation and contain (l) a thermo 409884/1207409884/1207 - 6 - O.Z. 29- 6 - O.Z. 29 plastisches, synthetisches, hochpolymeres Polyolefin sowie (2) 0,01 bis 3 Gewichtsprozent - bezogen auf das Polyolefin eines den Abbau des Polyolefins unter Lichteinwirkung beschleunigenden Sotffes (Sensibilisator).plastic, synthetic, high polymer polyolefin as well (2) 0.01 to 3 percent by weight - based on the polyolefin, of one which accelerates the degradation of the polyolefin under the action of light Sotffes (sensitizer). Badische Anilin- & Soda-Fabrik AGBadische Anilin- & Soda-Fabrik AG 409884/1207409884/1207
DE2331773A 1973-06-22 1973-06-22 Polyolefin moulding compsns - contg. cyclopentadienyl metal carbonyls to accelerate decompsn by light Pending DE2331773A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE2331773A DE2331773A1 (en) 1973-06-22 1973-06-22 Polyolefin moulding compsns - contg. cyclopentadienyl metal carbonyls to accelerate decompsn by light

Applications Claiming Priority (1)

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DE2331773A DE2331773A1 (en) 1973-06-22 1973-06-22 Polyolefin moulding compsns - contg. cyclopentadienyl metal carbonyls to accelerate decompsn by light

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DE2331773A1 true DE2331773A1 (en) 1975-01-23

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0125617A2 (en) * 1983-05-11 1984-11-21 Nissan Chemical Industries Ltd. Method for producing a metallized polymer from the polymer composition
WO2013127380A1 (en) * 2012-02-29 2013-09-06 Friedrich-Schiller-Universität Jena Carbon monoxide-releasing materials and use thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0125617A2 (en) * 1983-05-11 1984-11-21 Nissan Chemical Industries Ltd. Method for producing a metallized polymer from the polymer composition
EP0125617A3 (en) * 1983-05-11 1985-10-09 Nissan Chemical Industries Ltd. Polymer composition containing an organic metal complex and method for producing a metallized polymer from the polymer composition
US4666742A (en) * 1983-05-11 1987-05-19 Nissan Chemical Industries Ltd. Polymer composition containing an organic metal complex and method for producing a metallized polymer from the polymer composition
WO2013127380A1 (en) * 2012-02-29 2013-09-06 Friedrich-Schiller-Universität Jena Carbon monoxide-releasing materials and use thereof

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