发明授权
US5882768A Base stock packaging structure including a colloidal copolymer for increased hold-out 失效
基础包装结构包括胶体共聚物,用于增加保持力

Base stock packaging structure including a colloidal copolymer for
increased hold-out
摘要:
This invention relates to the use of a single "hold-out" coating layer including a colloidal copolymer applied by the paper machine on the press-applied barrier side of a paperboard substrate. Such structures of this type, generally, allow paper machine with only one coater on the barrier side to apply a sufficient coating for the desired hold-out.
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