Systems, methods and apparatuses for direct embossment of a polymer melt sheet

Systems, methods and apparatuses for direct embossment of a polymer melt sheet

A continuous single-stage embossing station comprised of two 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 sh...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NAGARAJANC PRATAPKUMAR, URBAN RICHARD F, MATIS GARY, YACOVONE VINCENT, SMITH ANDREW NEIL, SPANGLER LORA LEE, SZYDLOWSKI WITOLD, KARAGIANNIS ARISTOTELIS, FENG WENLAI
Format: Patent
Sprache:chi ; eng
Schlagworte:
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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 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 DEG C for five minutes and an embossed surface retention of greater than 70% when tested at 140 DEG C for five minutes.