国家/地区 中国（14）
IPC部 C（14）
IPC大类 C25（14） C23（12）
IPC小类 C25D（14）
IPC C25D003/56（14）
发明人 GUO C（14）
公开年 2021（5） 2020（3） 2023（3） 2018（2）
申请年 2021（5）  2019（4）  2018（2）  2020（2） 
专利权人 GUANGZHOU UL.（12） LBS GUANGZHO.（2）

Plating layer structure for preparing chromium-free black conversion film, comprises metal substrate, and zinc-iron alloy plating layer sequentially from inside to outside on metal substrate.

LAI H, GUO C, LI X

Plating layer structure of zinc-nickel alloy plating layer without chromium passivation and hydroxyl graphene, has chromium-free passivation layer prepared by silane passivation agent.

LAI H, CHEN K, GUO C

Dull nickel-plated and graphene-enclosed plating structure for zinc alloy die-casting parts, has zinc-nickel alloy plating layer that is prepared from inside to outside sequentially zinc alloy base portion.

LAI H, CHEN K, GUO C

High corrosion resistance zinc cobalt alloy coating structure of aluminum alloy piece, has trivalent chromium passivation layer and hydroxyl graphene sealing layer which are prepared in turn from inside to outside of substrate.

CHEN M, LAI H, GUO C

High corrosion resistant coating structure of galvanized iron alloy of cast iron piece, has silane chromium-free passivation layer that is formed by solvent silane passivation agent.

CHEN J, GUO C, LAI H

Coating structure for aging-resistant zinc-nickel alloy silane-free passivation, comprises aluminum alloy substrate, and chemical deposition zinc layer, chemical nickel plating layer, and silane chromium free passivation layer.

CHEN J, GUO C, LAI H

Zinc-cadmium alloy composite coating for aerospace electrical component, comprises chemically deposited zinc layer, nickel plating layer, zinc-cadmium alloy plating layer, silane chromium-free passivation layer and graphene sealing layer, which are arranged on surface of aluminum alloy substrate.

LAI H, GUO C, CHEN M, XIA L

Electroplating zinc-cadmium alloy and coating hydroxy-graphene modified electrophoretic paint comprises preparing zinc-cadmium alloy coating, phosphating layer and hydroxy-graphene modified electrophoretic paint coating.

GUO C, LAI H, CHEN M, XIA L

Plating layer structure for sealing red copper and nano graphene, comprises metal substrate, cyanide pre-plating copper layer, middle copper plating layer, bright copper plating layer, gun black tin nickel alloy plating layer and graphene sealing layer.

GUO C, CHEN M, LAI H

Bronze and nano graphene plating layer structure comprises metal substrate, cyanide pre-plating copper layer, middle copper plating layer, bright copper plating layer, bronze plating layer, black tin nickel alloy plating layer and graphene sealing layer.

GUO C, CHEN M, LAI H