DE2209144A1 - THERMOPLASTIC PLASTIC MOLDING COMPOUNDS THAT DEGRAD ACCELERATELY UNDER THE EFFECT OF LIGHT - Google Patents
THERMOPLASTIC PLASTIC MOLDING COMPOUNDS THAT DEGRAD ACCELERATELY UNDER THE EFFECT OF LIGHTInfo
- Publication number
- DE2209144A1 DE2209144A1 DE19722209144 DE2209144A DE2209144A1 DE 2209144 A1 DE2209144 A1 DE 2209144A1 DE 19722209144 DE19722209144 DE 19722209144 DE 2209144 A DE2209144 A DE 2209144A DE 2209144 A1 DE2209144 A1 DE 2209144A1
- Authority
- DE
- Germany
- Prior art keywords
- thermoplastic
- light
- under
- molding compounds
- sensitizer
- 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
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Classifications
-
- 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
- C08K5/04—Oxygen-containing compounds
- C08K5/07—Aldehydes; Ketones
-
- 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
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0033—Additives activating the degradation of the macromolecular compound
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
Badische Anilin- & Soda-FabriK AG oonoi / / Badische Anilin- & Soda-FabriK AG oonoi / /
Z2U8 j 44Z2U8 j 44
Unser Zeichen: O.Z. 29 018 HMz/LOur reference: O.Z. 29 018 HMz / L
6700 Ludwigshafen, 25.2.19726700 Ludwigshafen, February 25, 1972
Thermoplastische Kunststoff-Formmassen, die unter LichteinwirkungThermoplastic plastic molding compounds that are exposed to light
beschleunigtaccelerated
Die vorliegende Erfindung betrifft thermoplastische Kunststoff-Formmassen, die unter Lichteinwirkung beschleunigt abbauen, enthaltend (1) einen thermoplastischen, synthetischen, organischen hochpolymeren Stoff (Thermoplast) sowie (2) 0,01 bis 5 Gewichtsprozent - bezogen auf den Thermoplast - eines den Abbau des Thermoplasten unter Lichteinwirkung beschleunigenden Stoffes (Sensibilisator). The present invention relates to thermoplastic molding compounds, which degrade more rapidly under the action of light, containing (1) a thermoplastic, synthetic, organic high polymer material (thermoplastic) and (2) 0.01 to 5 percent by weight - based on the thermoplastic - a substance that accelerates the degradation of the thermoplastic under the action of light (sensitizer).
Formmassen dieser Art sind bekannt] sie enthalten als Thermoplaste im allgemeinen Polymerisate des Styrols, Äthylens oder Propylene., also Massen-Kunststoffe, aus denen in großen Mengen Wegwerf-Produkte hergestellt werden, z.B, Verpackungen in Folien- oder- anderer Form. Neben den Thermoplasten enthalten die Formmassen der in Rede stehenden Art noch Sensibilisatoren., d.h. Stoffe, die den Abbau des Thermoplasten unter Lichteinwirkung beschleunigen« Als solche Stoffe hat man z.B, Abkömmlinge des ^-Pyrons verwendet (französische Patentschrift 2 θβθ 66j), Molding compounds of this type are known] as thermoplastics, they generally contain polymers of styrene, ethylene or propylene, that is, bulk plastics from which large quantities of disposable products are made, for example packaging in film or other form. In addition to the thermoplastics, the molding compounds of the type in question also contain sensitizers, ie substances that accelerate the degradation of the thermoplastic when exposed to light .
Eigentliche Aufgabe der Sensibilisatoren ist es, die aus den Perm™ massen hergestellten Produkts umweltfreundlich zu machen in dsm Sinne, daß diese nach Crebra.uoh möglichst schnell verrotten,. Daneben müssen die Ser./lbilisatoren meist noch weitere Bedingungen erfüllen. Verlange xlvä z.B., claß sie die sonstigen Eigenschaft ten der Formmasse·, nicht oaar uSglichst wenig nachteilig bS2.in~ flüssen, etwa die V-i'arbeitbarksit sowi& die physikalischen unö. chemischen Verhalteaswerte Av^h müssen die Sansibilisatorsn in vielen Fällen pliysiologisö2i vn;bsclen;:liGh sein {LsbeiiSffiittslvar·= packungen! ).The actual task of the sensitizers is to make the product made from the Perm ™ materials environmentally friendly in the sense that, according to Crebra.uoh, they rot as quickly as possible. In addition, the serial / bilizers usually have to meet other conditions. Request xlvä, for example, that the other properties of the molding compound, not even as little disadvantageous as possible, influence the workability as well as the physical problems. chemical behavior values Av ^ h, the sansibilisatorsn must be p l iysiologisö2i vn; bsclen;: liGh {LsbeiiSffiittslvar · = packs! ).
113/72 »2-113/72 »2-
308835/106f308835 / 106f
2209UA2209UA
- 2 .- O. Z. 29 0l8- 2 .- O. Z. 29 018
Aufgabenstellung der vorliegenden Erfindung war es, für die eingangs definierten thermoplastischen Kunststoff-Formmassen einen Sensibilisator aufzuzeigen, der den bekannten überlegen ist.The task of the present invention was for the initially defined thermoplastic molding compounds to show a sensitizer that is superior to the known.
Es wurde gefunden, daß diese Aufgabe gelöst werden kann, wenn mani als Sensibilisator ein bestimmtes Benzanthronderivat einsetzt.It has been found that this problem can be solved when i used as sensitizer a particular Benzanthronderivat.
Gegenstand der vorliegenden Erfindung sind dementsprechend thermoplastische Kunststoff-Formmassen, die unter Lichteinwirkung beschleunigt abbauen, enthaltend (1) einen thermoplastischen, synthetischen, organischen hochpolymeren Stoff (Thermoplast) sowie (2) 0,01 bis 5j vorzugsweise 0,1 bis 2, Gewichtsprozent - bezogen auf den Thermoplast - eines den Abbau des Thermoplasten unter Lichteinwirkung beschleunigenden Stoffes (Sensibilisator). Die erfindungsgemäßen Formmassen sind dadurch gekennzeichnet, daß sie als Sensibilisator 6,bzl-Dibrom-benzanthron enthalten.The present invention accordingly relates to thermoplastics Plastic molding compounds which degrade more rapidly under the action of light, containing (1) a thermoplastic, synthetic, organic high-polymer material (thermoplastic) and (2) 0.01 to 5j, preferably 0.1 to 2 percent by weight - based on on the thermoplastic - a substance that accelerates the degradation of the thermoplastic when exposed to light (sensitizer). the Molding compositions according to the invention are characterized in that they contain 6-bzl-dibromobenzanthrone as a sensitizer.
Anders ausgedrückt ist Gegenstand der vorliegenden Erfindung die Verwendung von 6,bzl-Dibrom-benzanthron als Sensibilisator in thermoplastischen Kunststoff-Formmassen, die unter Lichteinwirkung beschleunigt abbauen und enthalten (l) einen thermoplastischen, synthetischen, organischen hochpolymeren Stoff (Thermoplast) sowie (2) 0,01 bis 5, vorzugsweise 0,1 bis 2, Gewichtsprozent - bezogen auf den Thermoplast - eines den Abbau des Thermoplasten unter Lichteinwirkung beschleunigenden Stoffes (Sensibilisator).In other words, the subject of the present invention is the use of 6, bzl-dibromobenzanthrone as a sensitizer in thermoplastic plastic molding compounds that degrade more rapidly under the action of light and contain (l) a thermoplastic, synthetic, organic high polymer material (thermoplastic) and (2) 0.01 to 5, preferably 0.1 to 2, percent by weight - based on on the thermoplastic - a substance that accelerates the degradation of the thermoplastic when exposed to light (sensitizer).
Für den erfindungsgemäßen Zweck geeignete Thermoplaste sind die einschlägig üblichen Polymerisate, Polyaddate und Polykondensate. Zu nennen sind beispielsweise Olefin-, Styrol- und Vinylchlorid-Polymerisate, Polylactame und Polyurethane sowie Polyester und Polyamide. Als bevorzugt geeignet haben sich erwiesen Homo- und Copolymerisate mit Äthylen, Propylen, Buten-(l), 4-Methylpenten-(1) oder Styrol als Stamm-Monomeren; - also auch schlagfest modifizierte Polystyrole bzw. Styrolpolymerisate. Eine Spitzenstellung in der Eignung nehmen ein Polyäthylen, Polypropylen und PoIybuten-(l). - Die zum erfindungsgemäßen Zweck geeigneten Thermoplaste sind in großer Vielfalt im Handel erhältlich, so daß sich nähere Aussagen zu ihnen erübrigen. Erwähnt sei lediglich, daß die Thermoplaste die einschlägig üblichen Hilfs- bzw. ZusatzstoffeThermoplastics suitable for the purpose according to the invention are relevant customary polymers, polyaddates and polycondensates. Examples include olefin, styrene and vinyl chloride polymers, Polylactams and polyurethanes as well as polyesters and polyamides. Homo- and have proven to be particularly suitable Copolymers with ethylene, propylene, butene- (l), 4-methylpentene- (1) or styrene as parent monomers; - So also impact-resistant modified polystyrenes or styrene polymers. A top position in suitability take a polyethylene, polypropylene and polybutene (l). - The thermoplastics suitable for the purpose according to the invention are commercially available in a large variety, so that more details about them are superfluous. It should only be mentioned that the thermoplastics are the relevant customary auxiliaries or additives
309835/1067309835/1067
- 3 - O.Z. 29 018- 3 - O.Z. 29 018
enthalten können, z.B. Treibmittel zum Herstellen sehauraförmiger Produkte, Gleitmittel, Pigmente, Farbstoffe usw. Enthalten die Thermoplaste auch Lichtstabilisatoren, so wirken diese im allgemeinen den Sensibilisatoren in gewissem Umfang entgegen.may contain, e.g. propellants for making sehaura-shaped Products, lubricants, pigments, dyes, etc. If the thermoplastics also contain light stabilizers, these generally work counteract the sensitizers to a certain extent.
Der erfindungsgemäß einzusetzende Sensibilisator ist 6, bzl-Dibrom-benzanthron. The sensitizer to be used according to the invention is 6, bzl-dibromobenzanthrone.
Dieser Stoff hat die FormelThis substance has the formula
er ist bekannt und im Rahmen der Farbstoffchemie im Handel erhältlich. it is known and is commercially available in the context of dye chemistry.
Das Herstellen der in Rede stehenden thermoplastischen Kunststoff-Formmassen aus den Komponenten kann in einfacher Weise erfolgen, so wie man üblicherweise Additive in die betroffenen Thermoplaste - möglichst homogen - einarbeitet, z.B. durch Walzen oder Extrudieren. The production of the thermoplastic molding compounds in question from the components can be done in a simple manner, as is usually the case with additives in the thermoplastics concerned - as homogeneously as possible - incorporated, e.g. by rolling or extruding.
Auch das Verarbeiten der Formmassen zu Formteilen kann ohne weiteres mit den für die betroffenen Thermoplaste üblichen "Vorrichtungen erfolgen.The processing of the molding compositions into molded parts can also be carried out without further ado with the usual "devices" for the thermoplastics concerned.
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 ungescnäumten Formmassen; - aber auch andere Produkte, z.B. Mulehfolien 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 also other products, e.g. Muleh films for horticultural and agricultural purposes come into consideration.
100 Gewichtsteile eines handelsüblichen Polyäthylens (Dichte: 0,918 g/cm-5), das keine photoaktiven Additive enthält, wird mit 1 Gewichtsteil 6, bzl- Dibrom-benzanthron homogen ver-aiaelit (WeI-ding-Extruder; 24o°C). . - Λ 100 parts by weight of a commercially available polyethylene (density: 0.918 g / cm- 5 ), which does not contain any photoactive additives, is mixed homogeneously with 1 part by weight of 6, bzl-dibromobenzanthrone (WeI-ding extruder; 24o ° C.). . - Λ
309835/1067309835/1067
2209UA2209UA
- 4 - O. Z. 29 018- 4 - O. Z. 29 018
200/U dicke Folien aus dieser Formmasse bauen bei Lichteinwirkung unter vergleichbaren Bedingungen etwa 7 mal so schnell ab wie ebensodicke Folien aus der gleichen, jedoch unsensibilisierten Formmasse.200 / U thick films from this molding compound build when exposed to light under comparable conditions about 7 times as fast as films of the same thickness made from the same but unsensitized film Molding compound.
100 Gewichtsteile eines handelsüblichen Polypropylens, das keine photoaktiven Additive enthält, wird mit 0,5 Gewichtsteilen 6, bzl-Dibrom-benzanthron homogen vermischt (Welding-Extruder; 240 C).100 parts by weight of a commercially available polypropylene which does not contain any photoactive additives is mixed with 0.5 parts by weight of 6, bzl-dibromobenzanthrone mixed homogeneously (welding extruder; 240 C).
200^ dicke Folien aus dieser Formmasse bauen bei Lichteinwirkung unter vergleichbaren Bedingungen etwa 5 mal so schnell ab wie ebensodicke Folien aus der gleichen, jedoch unsensibilisiertfcn Formmasse.200 ^ thick films from this molding compound build when exposed to light under comparable conditions about 5 times as fast as films of the same thickness made of the same, but unsensitized Molding compound.
100 Gewichtsteile eines handelsüblichen Polystyrols, das keine photoaktiven Additive enthält, wird mit 0,4 Gewichtsteilen 6, bzl-Dibrom-benzanthron homogen vermischt (ZSK-Extruder; 2200C).Contains 100 parts by weight of a commercial polystyrene having no photoactive additives is 0.4 parts by weight of 6, bzl-dibromo-benzanthrone homogeneously mixed (ZSK extruder; 220 0 C).
20OyU dicke Folien aus dieser Formmasse bauen bei Lichteinwirkung unter vergleichbaren Bedingungen etwa 3,5 mal so schnell ab wie ebensodlcke Folien aus der gleichen, jedoch unsensibilisierten Formmasse.20OyU thick films from this molding compound build when exposed to light under comparable conditions about 3.5 times as fast as just as thick foils made of the same, but unsensitized Molding compound.
-5-309835/1067 -5-309835 / 1067
Claims (2)
in thermoplastischen Kunststoff-Formmassen, die unter Lichteinwirkung beschleunigt abbauen und enthalten (l) einen thermoplastischen, synthetischen, organischen hochpolymeren Stoff (Thermoplast) sowie (2) 0,01 bis 5 Gewichtsprozent - bezogen auf den Thermoplast - eines den Abbau des Thermoplasten unter Lichteinwirkung beschleunigenden Stoffes (Sensibilisator).2. Use of 6, or 1-dibromobenzanthrone as a sensitizer
in thermoplastic molding compounds that degrade more rapidly under the action of light and contain (l) a thermoplastic, synthetic, organic high-polymer material (thermoplastic) and (2) 0.01 to 5 percent by weight - based on the thermoplastic - one of the degradation of the thermoplastic under the influence of light accelerating substance (sensitizer).
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE795944D BE795944A (en) | 1972-02-26 | MATERIALS TO BE MOLDED INTO THERMOPLASTIC RESINS WHICH SUBJECT ACCELERATED DEGRADATION UNDER THE ACTION OF LIGHT | |
DE19722209144 DE2209144A1 (en) | 1972-02-26 | 1972-02-26 | THERMOPLASTIC PLASTIC MOLDING COMPOUNDS THAT DEGRAD ACCELERATELY UNDER THE EFFECT OF LIGHT |
IT4830573A IT977387B (en) | 1972-02-26 | 1973-02-16 | FORMABLE MASSES OF SYNTHETIC THERMOPLASTIC SUBSTANCE WHICH DECOMPOSE RAPIDLY UNDER THE ACTION OF LIGHT |
NL7302502A NL7302502A (en) | 1972-02-26 | 1973-02-22 | |
JP2139173A JPS4899242A (en) | 1972-02-26 | 1973-02-23 | |
FR7306534A FR2173271A1 (en) | 1972-02-26 | 1973-02-23 | Light-degradable thermoplastics compsn - contg 6, bz1- dibromo-benzanthrone as sensitiser |
GB927173A GB1412877A (en) | 1972-02-26 | 1973-02-26 | Thermoplastic moulding compositions showing accelerated degradation under the action of light |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722209144 DE2209144A1 (en) | 1972-02-26 | 1972-02-26 | THERMOPLASTIC PLASTIC MOLDING COMPOUNDS THAT DEGRAD ACCELERATELY UNDER THE EFFECT OF LIGHT |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2209144A1 true DE2209144A1 (en) | 1973-08-30 |
Family
ID=5837193
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19722209144 Pending DE2209144A1 (en) | 1972-02-26 | 1972-02-26 | THERMOPLASTIC PLASTIC MOLDING COMPOUNDS THAT DEGRAD ACCELERATELY UNDER THE EFFECT OF LIGHT |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS4899242A (en) |
BE (1) | BE795944A (en) |
DE (1) | DE2209144A1 (en) |
FR (1) | FR2173271A1 (en) |
IT (1) | IT977387B (en) |
NL (1) | NL7302502A (en) |
-
0
- BE BE795944D patent/BE795944A/en unknown
-
1972
- 1972-02-26 DE DE19722209144 patent/DE2209144A1/en active Pending
-
1973
- 1973-02-16 IT IT4830573A patent/IT977387B/en active
- 1973-02-22 NL NL7302502A patent/NL7302502A/xx unknown
- 1973-02-23 JP JP2139173A patent/JPS4899242A/ja active Pending
- 1973-02-23 FR FR7306534A patent/FR2173271A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
BE795944A (en) | 1973-08-27 |
JPS4899242A (en) | 1973-12-15 |
IT977387B (en) | 1974-09-10 |
NL7302502A (en) | 1973-08-28 |
FR2173271A1 (en) | 1973-10-05 |
FR2173271B3 (en) | 1976-02-20 |
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