国家/地区 中国（5）
IPC部 B（5）
IPC大类 B32（5）
IPC小类 B32B（5）
IPC C08K003/04（5）
发明人 PAN J（5）
公开年 2021（3）
申请年 2020（3） 
专利权人 HUBEI TIANYU.（4）

Multifunctional cotton-based sound-absorbing felt useful for automobile interior trim, comprises porous non-woven liner set in middle, damping vibration damping block and honeycomb elastic resin net are fixedly connected, and porous non-woven liner includes regenerated cotton staple fiber.

ZHANG L, PAN J

Anti-aging soundproof cotton includes anti-aging film containing preset amount of elastic resin, polycarbonate and anti-aging agent, and having mixed fiber layer containing preset amount of glass fiber, asbestos fiber and ceramic fiber.

PAN J, WANG F

Jietu CX62 interior sound-absorbing cotton comprises e.g. inner decorative layer with surface layer and sound absorbing cotton layer provided at lower part of inner decorative layer and provided by Velcro (Fastener) surface layer.

PAN J, WANG F

Improving shore hardness of sound insulation cotton comprises weaving lightweight metal fibers that make up light metal mesh layer, pressing plates, attaching anti-aging film to sides of sound-absorbing cotton layer and heat sealing edges.

PAN J, WANG F

Damping material sound-absorbing cotton includes damping sheet layer comprising waste rubber, waste cotton hemp modifying polyisoprene rubber, carbon fiber, modified nano-graphene, flexibilizer, coupling agent and compatibilizer.

PAN J, WANG F