国家/地区 中国（4）
IPC部 C（4） G（2）
IPC大类 C09（4）
IPC小类 C08J（3） C08L（3） C08K（2）
C09D（2） C09K（2） G01N（2）
IPC C08J005/18（2） G01N029/24（2）
发明人 CHEN R（3） SHI J（3） LI C（2）
REN D（2） YIN Y（2）
公开年 2022（2） 2023（2）
申请年 2022（3） 
专利权人 ZHEJIANG LAB（4）

Stretchable piezoelectric film useful in preparing ultrasonic transducer, comprises porous cellulose-based polymer, and piezoelectric active material loaded in pores of porous cellulose-based polymer, where piezoelectric active material comprises organic piezoelectric phase.

GAO D, WANG Y, LI C, CHEN R, SHI J, YIN Y, REN D

Preparing self-supporting three-dimensional graphene framework used in field of heat dissipation, comprises e.g. adding metal foam to graphene oxide solution, coating polymethyl methacrylate on graphene skeleton-metal foam, removing metal foam and polymethyl methacrylate, cleaning and freeze-drying.

ZHANG J, SUN S, WANG J, ZHAO Y

Preparing poly(vinylidene fluoride-co-trifluoroethylene) composite film with controllable fluorescent used in multifunctional sensors, comprises mixing poly(vinylidene fluoride-co-trifluoroethylene) powder and rare earth ion co-doped beta-sodium yttrium fluoride nanoparticles and spin-coating.

HAN G, LIU K, CHEN R, REN Z, SHI J, ZHOU D

Terahertz frequency band transparent piezoelectric film useful in transparent ultrasonic transducer for terahertz photoacoustic microscopic imaging, comprises e.g. terahertz frequency band transparent conductive phase and terahertz frequency band transparent polymer material.

LI C, CHEN R, YIN Y, SHI J, REN D