国家/地区 中国（2）
IPC部 B（2）
IPC大类 B32（2） C08（2）
IPC小类 B32B（2）
IPC B32B009/04（2）
发明人 ZHANG L（2）
公开年
申请年
专利权人

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

Rigid polyurethane foam thermal insulation material comprises rigid polyurethane foam thermal insulation material matrix, modified material powder C, modified material powder D and modified material powder E.

LIU J, WANG Y, LIU S, WANG Z, WANG C, XUE Y, GUAN Z, ZHAO Y, JIA L, LIU Z, ZHANG L, ZHENG J, SUN H, YIN F, WEI W, CHEN J, SONG M, LI K, GU K, LI H, JIA H, DI H, DI J