国家/地区 中国（6）
IPC部 B（6）
IPC大类 B05（6） C09（6） C08（2）
F16（2）
IPC小类 B05B（6）
IPC C09D005/08（6）
发明人
公开年 2021（2）
申请年 2021（2） 
专利权人

Preparing internal spiral polyvinyl chloride drainage pipe, comprises e.g. bending and spiraling steel wire, extruding, injecting into brushing mechanism, carrying out spiral groove processing, forming inner spiral groove, spraying, extruding, painting and performing preliminary drying.

LIU Z

Processing high corrosion-resistant aluminum profile comprises spraying micro-etching liquid on surface of aluminum profile, placing in oxidation tank of sulfuric acid, oxalic acid and deionized water, spraying corrosion-resistant layer, placing sprayed aluminum profile into curing box, and cooling.

ZHOU B, SUO Y

Corrosion resistant polyethylene water supply pipe material comprises base layer and anticorrosive graphene coating comprising polyethylene, color master batch, epoxy resin and dispersant.

LIU J, WANG J, LI H

Anti-sulfur inner coating anti-corrosion structure of medium and large container useful in oil and gas field, comprises water blasting treatment layer on metal substrate, bottom air spraying layer, and surface air spraying layer.

LUO J, DU Y, LI R

Vehicle tire cavity coating comprises corundum powder, emery, silicon carbide powder, carbon black, ethyl silicate, lubricant, hollow glass beads, graphene fiber, modified resin, hydroxypropyl methyl cellulose ether, coupling agent.

LI C, FU K, ZHENG B, ZHOU X, XU Y

Preparing graphene/titanium dioxide transparent anti-corrosive coating, comprises e.g. preparing graphene oxide and titanium oxide dispersion liquids, pre-treating stainless steel sample and coating graphene oxide/titanium oxide.

CHEN A, HU W, WANG X