BE633961A - - Google Patents

Info

Publication number
BE633961A
BE633961A BE633961DA BE633961A BE 633961 A BE633961 A BE 633961A BE 633961D A BE633961D A BE 633961DA BE 633961 A BE633961 A BE 633961A
Authority
BE
Belgium
Prior art keywords
emi
plates
stabilizer
parts
ultraviolet
Prior art date
Application number
Other languages
French (fr)
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.)
Publication of BE633961A publication Critical patent/BE633961A/fr
Priority claimed from FR939061A external-priority patent/FR1360699A/en

Links

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
    • C08K5/16Nitrogen-containing compounds
    • C08K5/34Heterocyclic compounds having nitrogen in the ring
    • C08K5/3442Heterocyclic compounds having nitrogen in the ring having two nitrogen atoms in the ring
    • C08K5/3462Six-membered rings
    • C08K5/3465Six-membered rings condensed with carbocyclic rings

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

       

  Il est connu de stabiliser des matière" plastiques 

  
 <EMI ID=1.1> 

  

 <EMI ID=2.1> 


  
 <EMI ID=3.1> 

  
un groupe alooxy, un halogène, des groupes amino ou nitro  et Ar est un radical aryle, substitué ou non substituée 

  
 <EMI ID=4.1> 

  
lino précités, on peut oiter, par exemple, les polyéthylènes  obtenus à haute et à basse pression, le polypropylène, le 

  
 <EMI ID=5.1>   <EMI ID=6.1> 

  
prétexte invention.

  
Dans la formule générale

  

 <EMI ID=7.1> 


  
Ar peut, par exemple, représenter les radio aux suivants 

  
 <EMI ID=8.1>   <EMI ID=9.1> 

  
à partir de
150*0

  
 <EMI ID=10.1> 

  
liser, ainsi que de l'épaisseur de couche de cette dernière, Pour des pellicules très minces, on doit, par exeaple, utili-

  
 <EMI ID=11.1> 

  
matières plastiques, On les mélange avec ces dernières, par exemple sur des calandres ou dans des malaxeur., il est souvent indiqué de les utiliser en dissolution dans un solvant organique.

  
 <EMI ID=12.1> 

  
finis ou, dans certains cas, également aux monomères avant la polymérisation. On peut toutefois aussi incorporer dans les dérivés de la-quinazoline, des groupes non saturés poly-

  
 <EMI ID=13.1>  On peut enfin aussi faire réagir des groupes réactifs contenue

  
 <EMI ID=14.1> 

  
pas objet de la présente invention.

  
Les dérivée de la quinazoline du genre susmentionné présentent une excellente etabilit4 vis-à-vis des rayons ul-

  
 <EMI ID=15.1> 

  
tion d'ultra-violet de la lumière solaire. La bande d'absorption est quelque peu influencée par le genre des substituant".,

  
 <EMI ID=16.1> 

  
Tant la, présente invention permettent une excellente etabilisation des matières plastiques organiques macromoléculaires vis-à-vis de l'influence de la lumière ultra-violette. Une addition de colorante, de pigmente, de stabilisante contre la chaleur ou l'oxydation ou de plastifiante ne nuit pas à l'effet protecteur des stabilisante contre l'ultra-violet;

  
 <EMI ID=17.1> 

  
Les parties Indiquées dans les exemples suivants sont en poids*

  
i 

  
Dans 100 parties de polystyrène trnasparent on incorpore, sur un mélangeur à cylindrée, 0,5 partie d'(hydroxy-

  
 <EMI ID=18.1>  ?

  
 <EMI ID=19.1> 

  
 <EMI ID=20.1> 

  

 <EMI ID=21.1> 


  
 <EMI ID=22.1> 

  
mime épaisseur, nana additifs*

  
EXEMPLE 2 

  
On mélange à fond 100 parties de poudre de poly-

  
 <EMI ID=23.1> 

  
phényl)-2 hydroxy-4 quinazoline en dissolution dans un peu d'acétone, on sèche le mélange et on le malaxe pendant 5

  
 <EMI ID=24.1> 

  
seulement au bout de 76 heure* de petites fissures à leur surface, alors que les plaques exemptée de stabilisante sont

  
 <EMI ID=25.1> 

  
position à la lumière, les autres plaques après une durée de
130 heures. 

  
 <EMI ID=26.1> 

  
le "élance ainsi obtenu, on fabrique des plaques que l'on 

  
 <EMI ID=27.1> 

  
Alors que des plaques préparées de la même façon, 

  
 <EMI ID=28.1> 

  
glyool (rapport 1/2/3), d'un indice d'acide do 50.

  
 <EMI ID=29.1> 

  
 <EMI ID=30.1>  
 <EMI ID=31.1> 
 <EMI ID=32.1> 

  

 <EMI ID=33.1> 


  
 <EMI ID=34.1> 

  
 <EMI ID=35.1> 



  It is known to stabilize "plastic

  
 <EMI ID = 1.1>

  

 <EMI ID = 2.1>


  
 <EMI ID = 3.1>

  
an alooxy group, a halogen, amino or nitro groups and Ar is an aryl radical, substituted or unsubstituted

  
 <EMI ID = 4.1>

  
lino mentioned above, we can oiter, for example, the polyethylenes obtained at high and low pressure, polypropylene,

  
 <EMI ID = 5.1> <EMI ID = 6.1>

  
pretext invention.

  
In the general formula

  

 <EMI ID = 7.1>


  
Ar can, for example, represent the following radios

  
 <EMI ID = 8.1> <EMI ID = 9.1>

  
from
150 * 0

  
 <EMI ID = 10.1>

  
liser, as well as the layer thickness of the latter, For very thin films, one must, for example, use

  
 <EMI ID = 11.1>

  
Plastics, they are mixed with the latter, for example on calenders or in kneaders. It is often advisable to use them dissolved in an organic solvent.

  
 <EMI ID = 12.1>

  
finished or, in some cases, also to the monomers before polymerization. However, it is also possible to incorporate poly- unsaturated groups into the quinazoline derivatives.

  
 <EMI ID = 13.1> We can finally also react reactive groups contained

  
 <EMI ID = 14.1>

  
not object of the present invention.

  
The quinazoline derivatives of the aforementioned genus exhibit excellent UV stability.

  
 <EMI ID = 15.1>

  
ultraviolet tion of sunlight. The absorption band is somewhat influenced by the kind of substituent ".,

  
 <EMI ID = 16.1>

  
Both the present invention allow excellent stabilization of macromolecular organic plastics vis-à-vis the influence of ultraviolet light. Addition of dye, pigment, heat stabilizer or oxidation stabilizer or plasticizer does not impair the protective effect of stabilizers against ultraviolet;

  
 <EMI ID = 17.1>

  
The parts given in the following examples are by weight *

  
i

  
In 100 parts of transparent polystyrene are incorporated, on a displacement mixer, 0.5 part of (hydroxy-

  
 <EMI ID = 18.1>?

  
 <EMI ID = 19.1>

  
 <EMI ID = 20.1>

  

 <EMI ID = 21.1>


  
 <EMI ID = 22.1>

  
mime thickness, nana additives *

  
EXAMPLE 2

  
100 parts of poly- powder are thoroughly mixed.

  
 <EMI ID = 23.1>

  
phenyl) -2 hydroxy-4 quinazoline dissolved in a little acetone, the mixture is dried and kneaded for 5

  
 <EMI ID = 24.1>

  
only after 76 hours * small cracks on their surface, while the plates exempt from stabilizer are

  
 <EMI ID = 25.1>

  
position in the light, the other plates after a period of
130 hours.

  
 <EMI ID = 26.1>

  
the "momentum thus obtained, we manufacture plates that we

  
 <EMI ID = 27.1>

  
While plates prepared in the same way,

  
 <EMI ID = 28.1>

  
glyool (ratio 1/2/3), with an acid number of 50.

  
 <EMI ID = 29.1>

  
 <EMI ID = 30.1>
 <EMI ID = 31.1>
 <EMI ID = 32.1>

  

 <EMI ID = 33.1>


  
 <EMI ID = 34.1>

  
 <EMI ID = 35.1>


    

Claims (1)

<EMI ID=36.1> <EMI ID = 36.1>
BE633961D 1962-06-22 BE633961A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1962B0067763 DE1241101B (en) 1962-06-22 1962-06-22 Quinazoline derivatives as ultraviolet stabilizers for macromolecular organic plastics
FR939061A FR1360699A (en) 1963-06-22 1963-06-22 Macromolecular organic plastics stabilized against the influence of ultraviolet light

Publications (1)

Publication Number Publication Date
BE633961A true BE633961A (en)

Family

ID=25966299

Family Applications (1)

Application Number Title Priority Date Filing Date
BE633961D BE633961A (en) 1962-06-22

Country Status (3)

Country Link
BE (1) BE633961A (en)
DE (1) DE1241101B (en)
NL (1) NL294353A (en)

Also Published As

Publication number Publication date
DE1241101B (en) 1967-05-24
NL294353A (en)

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