国家/地区 中国（3）
IPC部 C（3）
IPC大类 C08（3） C09（3）
IPC小类 C08K（3）
IPC C09J011/08（3）
发明人
公开年 2021（3）
申请年 2020（3） 
专利权人

Improving viscosity of sound insulation cotton comprises e.g. stacking anti-aging layer, mixed fiber layer, light metal mesh layer, soft resin layer and elastic layer, applying adhesive, compacting, and absorbing sound insulation cotton.

PAN J, WANG F

Waterproof coiled material includes isolation film from inside to outside, weather-resistant adhesive and weather-resistant film, where weather-resistant film includes graphene, fluorocarbon resin, and silicon dioxide.

SUN J

Preparation of polypropylene film used for reducing cracks in cold punching process includes mixing components in adhesive layer, core layer and heat seal layer, granulating, melt plasticizing and casting film for cooling and forming.

WANG G, CHEN H, LIN J, XIONG Z