PROBLEM TO BE SOLVED: To provide a laminate sheet having an uneven pattern capable of making the uneven pattern clear even with using a soft polyurethane foam small in compressive residual strain, preventing the uneven pattern from becoming obscure even when used as a skin of a seat or the like for long term, and capable of maintaining good uneven pattern.SOLUTION: There is provided a laminate sheet having an uneven pattern on a surface having a structure in which a flexible surface member 21 consisting of fabric or the like is lamination integrated to a surface of a soft polyurethane foam 11 having ester value (according to JIS K0070) of 40 to 400 mgKOH/g and compression residual strain (JIS K6400-46.2B method, after 70°C×22 hr.×50% compression) of 1 to 15% by flame laminate or the like.SELECTED DRAWING: Figure 1
【課題】圧縮残留歪の小さい軟質ポリウレタンフォームを使用しても凹凸模様を鮮明なものにでき、かつ座席の表皮等として長期に使用された場合でも、凹凸模様が不鮮明になるのを抑え、良好な凹凸模様を維持できる凹凸模様を表面に有する積層シートの提供を目的とする。【解決手段】凹凸模様を表面に有する積層シートを、エステル価(JIS K0070準拠)が40〜400mgKOH/g、圧縮残留歪(JIS K 6400−4 6.2B法、70℃×22時間×50%圧縮後)が1〜15%である軟質ポリウレタンフォーム11の表面に、織布等からなる可撓性の表面部材21がフレームラミネート等によって積層一体化された構成とした。【選択図】図1
LAMINATE SHEET HAVING UNEVEN PATTERN ON SURFACE AND MANUFACTURING METHOD THEREFOR
凹凸模様を表面に有する積層シートとその製造方法
2018-10-04
Patent
Electronic Resource
Japanese
IPC: | B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse |
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