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    • 132. 发明申请
    • A RECYCLABLE SHEET MATERIAL AND A CONTAINER THEREOF
    • 可回收的材料及其容器
    • WO2014005697A3
    • 2014-04-03
    • PCT/EP2013001932
    • 2013-07-02
    • HUHTAMAEKI OYJ
    • HOEKSTRA AADVAPOLA RISTO
    • D21H19/20D21H19/22D21H21/16D21H27/10
    • B65D3/22D21H19/20D21H19/22D21H19/24D21H19/826D21H21/16D21H27/10Y10T428/24901Y10T428/24942
    • The present invention relates to a recyclable sheet material and a container, preferably cup, formed of such recyclable sheet material comprising 1a) a paper board coated with a water barrier coating on at least one of its uncoated surfaces having a smoothness of equal or less than 500 ml/min according to Bendtsen ISO 8791-2 or 1b) a paper board which is coated on at least one of its uncoated surfaces with a first surface coating comprising at least one mineral pigment and at least one polymeric binder, preferably with polar groups, said coated surface having a smoothness of 100 ml/min or less according to Bendtsen ISO 8791-2 and on top of said first surface coating a water barrier coating, wherein said water barrier coatings being based on at least one polymer having a melting point of at least 120 °C is applied in an amount of providing a COBB value of the water barrier coated paper board of equal or less 8 g/m2 per 600 sec and a surface energy equal or greater 38 mJ/m2 at 20 °C (test liquid:water) and 2) optionally a sealable coating based on at least on polymer with polar groups.
    • 本发明涉及可回收的片材和由这种可回收的片材形成的容器,优选为杯,该容器包括1a)在至少一个未涂覆的表面上涂覆有防水涂层的纸板,其平滑度等于或小于 500毫升/分钟,根据Bendtsen ISO 8791-2或1b)纸板,其涂覆在其至少一个未涂覆的表面上,第一表面涂层包含至少一种矿物颜料和至少一种聚合物粘合剂,优选具有极性基团 ,所述涂覆表面根据Bendtsen ISO 8791-2具有100ml / min或更小的平滑度,并且在所述第一表面涂层的顶部上具有防水涂层,其中所述防水涂料基于至少一种具有熔点的聚合物 施加至少120℃的涂布量,其使防水涂布纸板的COBB值等于或等于或低于每600秒8g / m2,表面能等于或等于38mJ / m 2(20℃) Ť 最好的液体:水)和2)任选地基于至少基于具有极性基团的聚合物的可密封涂层。