Biodegradable sheets having foamed layer

The present invention relates to sheets. The sheets include a base layer, a foamed layer formed on the base layer, a printed layer formed on the foamed layer, and a partially foamed layer formed on the printed layer. At least one layer of the foamed layer and the partially foamed layer includes a po...

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Bibliographische Detailangaben
Hauptverfasser:	LEE MIN, LEE SI YOUNG, NAM YOUN WOO, CHUNG GUN SOO
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INKS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TRANSPORTING USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	The present invention relates to sheets. The sheets include a base layer, a foamed layer formed on the base layer, a printed layer formed on the foamed layer, and a partially foamed layer formed on the printed layer. At least one layer of the foamed layer and the partially foamed layer includes a polylactic acid (PLA) resin. The sheets are biodegradable.