Verfahren zum Schützen von nicht textilen Materialien gegen Ultraviolettstrahlen
1,249,370. Laminated glass. E. I. DU PONT DE NEMOURS & CO. 11 July, 1969 [12 July, 1968], No. 35033/69. Heading B5N. [Also in Divisions C2, C3 and D1] A tinting ink comprising polyvinyl butyral, Violet 2R Base, Oil Blue A and 2,4-bis(2,4-dihydroxyphenyl)quinazoline (as photostabilizer) in dimeth...
Gespeichert in:
Hauptverfasser: | , |
---|---|
Format: | Patent |
Sprache: | ger |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | 1,249,370. Laminated glass. E. I. DU PONT DE NEMOURS & CO. 11 July, 1969 [12 July, 1968], No. 35033/69. Heading B5N. [Also in Divisions C2, C3 and D1] A tinting ink comprising polyvinyl butyral, Violet 2R Base, Oil Blue A and 2,4-bis(2,4-dihydroxyphenyl)quinazoline (as photostabilizer) in dimethylformamide is printed on plasticized polyvinylbutyral sheeting, the latter seasoned at 65 degrees for 6 days, conditioned to 23% relative humidity and laminated in clear plate and heat absorbing glass. The products are useful as tinted automotive windshields. |
---|