国家/地区 中国（3）
IPC部 B（3）
IPC大类 B29（3）
IPC小类 B29B（3）
IPC B29B009/06（3）
发明人
公开年
申请年
专利权人

Black-and-white black three-layer light-shielding film useful for manufacturing full shading curtain and spinning home textile, comprises first light-shielding film, second light-shielding film, and third light-shielding film comprising diisocyanate, polypropylene carbonate diol and chain extender.

HE J

Preparing black master batch for thin film soft package useful for thin film soft package used for lithium-ion pouch cell, comprises using double-screw extruder under special screw thread and component screw combination condition.

CHEN X, LI Z, JIA L, LIN X, LIAO G

Antibacterial polyethylene composite material for water pipe comprises graphene microsheet, polyethylene resin, dispersant, and antioxidant.

XU D, XU Y, YANG G