LAMINATED GLASS AND INTERLAYER THEREFOR

PROBLEM TO BE SOLVED: To obtain an interlayer capable of retaining the adhesive strength to glass within a proper range even both in the initial period and after the passage of a time and providing a laminated glass scarcely causing a whitening phenomenon even when allowed to stand in a high-humidit...

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Bibliographische Detailangaben
1. Verfasser:	OBATA MASATOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DYES GENERAL PROCESSES OF COMPOUNDING GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY MINERAL OR SLAG WOOL MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PERFORMING OPERATIONS POLISHES SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS USE OF MATERIALS AS ADHESIVES WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain an interlayer capable of retaining the adhesive strength to glass within a proper range even both in the initial period and after the passage of a time and providing a laminated glass scarcely causing a whitening phenomenon even when allowed to stand in a high-humidity atmosphere for a long period by including metal salts of two kinds of carboxylic acids having a carbon number within a specific range in a plasticized polyvinyl acetal resin film. SOLUTION: This interlayer is obtained by including a metal salt of a 1-4C carboxylic acid and a metal salt of a 5-28C carboxylic acid in a plasticized polyvinyl acetal resin film. The interlayer is interposed between at least a pair of glass plates and integrated to afford a laminated glass. The interlayer is capable of retaining the adhesive strength to the glass plates within a proper range even both in the initial period and after the passage of a time. Thereby, the interlayer is suitable for providing the laminated glass excellent in basic performances required for the laminated glass such as shock-absorbing properties and penetration resistance and scarcely causing a whitening phenomenon in the peripheral part (end) even when allowed to stand in a high-humidity atmosphere for a long period.