国家/地区 中国（10）
IPC部 C（10）
IPC大类 C23（10）
IPC小类 C23C（10）
IPC C23C028/00（10）
发明人 LAI H（10）
公开年 2021（5） 2018（2） 2023（2）
申请年 2021（4）  2018（2）  2020（2） 
专利权人 GUANGZHOU UL.（9）

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

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

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

Protective layer structure of non-cyanide cadmium plating and electrophoretic painting comprises metal substrate, non-cyanide cadmium plating layer, phosphate layer and electrophoretic paint coating comprising hydroxyl graphene material.

GUO C, PENG C, LAI H

Heavy-duty anti-corrosive cadmium cobalt alloy and graphene sealing coating comprises e.g. a metal substrate, a cadmium cobalt alloy plating layer, a passivation layer and a graphene sealing layer formed on the passivation layer.

GUO C, LI X, CHEN K, LAI H

Zinc-nickel alloy plating layer structure under corrosion environment comprises metal substrate, zinc-nickel alloy plating layer, trivalent chromium passivation layer, and hydroxyl graphene modified sealing layer.

GUO C, LI X, LAI H

Preparing zinc-nickel alloy plating structure comprises e.g. degreasing, descaling and performing pre-activation treatment of metal substrate, and preparing hydroxy graphene modified sealing layer on trivalent chromium passivation layer.

GUO C, LI X, LAI H