SYSTEMS AND METHOD FOR DIRECT EMBOSSMENT OF A POLYMER MELT SHEET

A continuous single-stage embossing station comprised of two (2) temperature controlled engraved rollers which is located immediately after the extrusion die in the manufacturing process for multi-layer laminated glass panels and allows for dual simultaneous embossment of both sides of a polymer mel...

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Bibliographische Detailangaben
Hauptverfasser:	MATIS, GARY, NAGARAJANC, PRATAPKUMAR, KARAGIANNIS, ARISTOTELIS, YACOVONE, VINCENT, SZYDLOWSKI, WITOLD, SPANGLER, LORA, LEE, URBAN, RICHARD, F, SMITH, ANDREW, NEIL, FENG, WENLAI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A continuous single-stage embossing station comprised of two (2) temperature controlled engraved rollers which is located immediately after the extrusion die in the manufacturing process for multi-layer laminated glass panels and allows for dual simultaneous embossment of both sides of a polymer melt sheet and produces a polymer interlayer sheet with increased permanence, embossed retention values and decreased incidence of mottle and stack sticking peel force values. Also disclosed herein is an embossed polymer interlayer sheet with a first side, a second side and an embossed surface on at least one of the sides, with a surface roughness Rz of 10 to 90 microns on the embossed surface, a permanence of greater than 95% when tested at 100° C. for five (5) minutes and an embossed surface retention of greater than 70% when tested at 140° C. for five (5) minutes.