液体包装纸

Complete Solutions for Pulp and Paper
HERCPPD- 3
Why is LPB sized? 液体包为何施胶
Gable Top cartons 尖顶包
» have an exposed edge inside as well as outside the carton
HERCPPD- 1
内容
1.液体包装简介 2.纸杯纸介绍 3.松香胶比较 4.问题提问/解答
Complete Solutions for Pulp and Paper
HERCPPD- 2
Liquid Packaging Board 液体包卡纸
Clean Virgin Fibers - for strength, and its low taste, odor, and contamination Fiber Source - N.A. use all bleached fiber,
Forming
Sealing Cutting
Shaping&Folding Hot hydrogen peroxide
Complete Solutions for Pulp and Paper
热双氧水消毒过程
HERCPPD- 5
Complete Solutions for Pulp and Paper
in the peroxide liquid and causing a failure in the filling machine..
Filling of product in to a tube formed of the sheet.
Sterile air
Preprinted, scored and laminated packaging material
Cup Stock - basic overview
纸杯百度文库，食品卡纸……..介绍
Lai, Shiow-Meei 赖秀美
Business Manager, Greater China Hercules Incorporated
Complete Solutions for Pulp and Paper
2008.10.10
Complete Solutions for Pulp and Paper
HERCPPD- 7
LPB Tests Used and Why? 施胶度测试方法（续）
• A new test- pressurized edgewick test（加压边渗吸水测试）
- TetraPak is evaluating the validity of this test - peroxide edgewick test results can be same for different density board - the filling machine performance is better with higher density boar
HERCPPD- 6
LPB Tests Used and Why? 施胶度测试方法
Edgewick 边渗水 - not Cobb, not HST
乳酸
双氧水
Two basic edgewick tests - lactic acid and peroxide edgewick tests
» Gable Top- lactic acid test (23°C, 24 hrs, 1% lactic acid)
- S.A. use use bleached and unbleached fiber, - European use bleached, unbleached and CTMP pulp Two basic types of LPB: – Gable Top 尖顶包 » meets Dairyman’s standards 符合乳制品标准 » basis weight ranges from 240 – 485 g/m2. » the filled containers require refrigeration to maintain salable product up to twenty-one days. 冰箱储藏21天 » one poly (PE) layer on the outside and one or more layers on the inside. – Aseptic 无菌包 » long life packages up to 18 month, not require refrigeration » basis weight ranges from 120 – 410 g/m2. » aluminum foil layer - light, oxygen and microbial barrier to protect the product. » no exposed edges （暴露）on the inside of the carton.
HERCPPD- 4
Why is LPB sized? 液体包为何施胶
•Aseptic cartons 无菌包
- required to go through a peroxide bath. - sizing is required to prevent the exposed edge from soaking
- modified test (23°C, 30 min, 20% lactic acid)
- typical test values are 0.2 – 0.35 kg/m2
» Aseptic - lactic acid test at 23C, 1 hr, 1% lactic acid. - typical values are 0.3 – 0.6 kg/m2 - the peroxide test (70°C, 35% peroxide, 10 minute) - the typical values are 0.5 - 1.2 kg/m2
» required to prevent the edges from soaking liquids which will lead to durability （耐久力）problems.
Comwp/oleKte5S5o7lHutions for Pulp and Papewr / K557H/H2K