国家/地区 中国（4）
IPC部 C（4）
IPC大类 C08（4）
IPC小类 C08L（4） C08J（3） C08K（2）
IPC C08L079/08（4）
发明人 LIU P（4）
公开年 2021（4）
申请年 2021（3） 
专利权人 UNIV SICHUAN（2）

Preparing wave absorbing bismaleimide resin comprises mixing bismaleimide resin, epoxy resin and absorbent in internal mixer, refining, absorbing bismaleimide resin, introducing curing agent and curing at different temperature stage.

LI M, LI Y, LIU P, GONG Y, LV T

Polymer-based composite aerogel used in preparation of electromagnetic wave absorbing materials, conductive materials, heat insulation protection materials, is prepared with polymer as matrix, and carbon material as filler.

LIU P, NI L, ZOU H, CHEN S

Preparing high-expansion ratio polymer-based foam beads by secondary foaming comprises e.g. placing polymer-based beads in high pressure kettle, and introducing carbon dioxide gas, reaching carbon dioxide gas to supercritical state.

LIU P, XU D, LI L, WANG Q

Oriented composite film used to coating and packaging of agriculture, electronics, electrical appliances, comprises coating layer and base layer, and coating layer contains first two-dimensional material oriented parallel to coating layer.

WANG W, LIU P, LI J, LAI L