国家/地区 中国（12）
IPC部 C（12）
IPC大类 C23（12）
IPC小类 C23C（12）
IPC C25D003/56（10） C23C028/00（9） C25D005/48（4）
C23C018/32（3） C23C022/83（3） C23C018/31（2）
C23C022/12（2） C23C022/82（2） C25D003/12（2）
C25D003/38（2）
发明人 GUO C（12） LAI H（12） LI X（4）
CHEN K（3） CHEN M（3） XIA L（3）
公开年 2021（5） 2023（3） 2018（2）
申请年 2021（4）  2020（3）  2018（2）  2019（2） 
专利权人 GUANGZHOU ULTRA UNION CHEM CO LTD（12）

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

Protective layer structure for chemical nickel plating of aviation electric appliance accessory, comprises aluminum alloy base body, and chemical zinc depositing layer, pre-plating copper layer, and graphene sealing layer.

XIA L, 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

Cyanide-free cadmium-titanium alloy and graphene closed plating layer structure for aerospace fastener, comprises metal substrate, non-cyanide cadmium-titanium alloy plating layer, chromate low chrome color passivation layer and nano hydroxyl graphene closed layer.

GUO 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