发明名称 |
Uncoated paperboard for packages |
摘要 |
An uncoated paperboard for packages composed of one or more layers with a top layer of bleached kraft pulp having a gloss value of 15-50% measured according to Tappi T480, a minimal gloss variation (a coefficient of variation in the wavelength regions 3-30 mm of less than 5%), and a surface roughness (PPS-10) of 2-5 mm measured according to ISO 8791-4, wherein the paperboard has a density in the range of 700 to 850 kg/m3 and is hydrophobic from a sizing agent treatment of each layer, is described. A package comprising the paperboard is suitable for co-sterilization of the package and its contents.
|
申请公布号 |
US2004234802(A1) |
申请公布日期 |
2004.11.25 |
申请号 |
US20040486367 |
申请日期 |
2004.03.02 |
申请人 |
HUBINETTE MATS;AKSBERG REIM;HAKANSSON SVEN |
发明人 |
HUBINETTE MATS;AKSBERG REIM;HAKANSSON SVEN |
分类号 |
D21H17/17;D21H21/16;D21H27/10;D21H27/38;(IPC1-7):B32B7/00 |
主分类号 |
D21H17/17 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|