国家/地区 中国（8）
IPC部 B（8）
IPC大类 B29（8） C08（7） B32（3）
IPC小类 B29B（8）
IPC B29B009/06（4） C08K003/04（4） B29B013/10（2）
B29C048/92（2） C08L023/28（2）
发明人
公开年 2023（8）
申请年 2022（8）
专利权人 UNIV ZHEJIAN.（2）

Preparing electromagnetic shielding composite material comprises drying L-polylactic acid, stereo polylactic acid, polystyrene, carbon-based fillers or metal fillers, melt blending and extruding, pelletizing, crushing and sieving.

ZHONG M, YANG J, CHEN F, KUANG T, FENG H, LIU T

Nitrogen-based flame-retardant nylon material useful for forming high-end circuit breaker shell, comprises polyamide, methylcellulose copolymer, heat stabilizer, lubricant, reinforcing component, black powder, auxiliary toner and laser marking synergist.

ZHANG L, ZHENG J, ZHOU H, WANG J, ZHENG Y, TIAN J

Preparing butyl rubber /natural rubber alternating multilayer composite material used as tire inner liner material of automobile and airplane, involves alternately laminating and co-extruding natural rubber compound and butyl rubber compound, and vulcanizing.

WU H, DUAN Y, GUO S, XI T, XIONG Y

MPP octagonal cable protection tube comprises preset amount of polyvinyl chloride material, acrylic resin, nano-active calcium carbonate, graphene, toughening agent, antioxidant, lubricant, impact modifier, flame retardant and toner.

MA X, GE X

Black-and-white black three-layer light-shielding film useful for manufacturing full shading curtain and spinning home textile, comprises first light-shielding film, second light-shielding film, and third light-shielding film comprising diisocyanate, polypropylene carbonate diol and chain extender.

HE J

Manufacturing composite fiber preform, preferably carbon-carbon composite material for disc brakes, involves winding composite fiber fabric around core to form composite fiber preform comprising multiple layers defining annulus extending along central axi.

TANG L G, GLEN S, PIAO Y, MURDIE N, JAMES M C, MERDEY N, GUERON S, TANG L

Mobile phone protective shell of auxiliary heat dissipation comprises thermoplastic polyurethane, graphene, ceramic powder, and silicon oxide.

LIAO Z, LIAO D

Preparing high-absorbing polymer-based electromagnetic shielding composite material useful in portable micro-electronic device, comprises crushing prepared magnetic particle/polymer composite material and conductive filler, paving in multiple layers and carrying out thermocompression molding.

ZHU H, WEN X, WU B