国家/地区 中国（3）
IPC部 C（3） D（3） B（2）
IPC大类 C08（3）
IPC小类 C08G（3）
IPC B31F005/04（2） B32B029/08（2） D21H017/25（2）
D21H027/10（2）
发明人 LU H（2）
公开年 2022（2）
申请年 2021（3）
专利权人 LIANYUNGANG .（2）

High-strength wear-resistant corrugated paper box packaging material obtained by dehydrating composite pulp using pulp distributor, primary drying, pressing, spraying reinforcing glue on top and bottom of corrugated paper, secondary drying, and combining bonding paper and corrugated paper.

LU H

Preparing environmentally friendly and waterproof corrugated carton comprises e.g. dehydrating the composite pulp, pressing corrugated raw paper, spraying reinforcing glue corrugated paper, drying, combining bonding paper and corrugated base paper, pressing and forming.

LU H

Preparation of high-efficiency wet-strength agent used for paper, involves preparing polyaminopolyamide-epichlorohydrin crude product, filtering upper layer liquid, adding composite antioxidant, recovering filtrate and mixing with lower layer precipitate to obtain fine product, and diluting.

DONG X, YANG W, CHEN W