国家/地区 中国（3）
IPC部 C（3）
IPC大类 C09（3）
IPC小类 C09D（3）
IPC C09D007/62（3）
发明人 ZHANG L（3）
公开年 2021（3）
申请年 2021（3）
专利权人

Preparing titanium alloy large-diameter square thin-walled pipe comprises e.g. heating mold, insulating and preheating, fixing the preheated punch press rod on upper mold of the press, and expanding round tube into a square tube.

CHEN X, ZHANG L, QIAN C

Preparing a nanocomposite epoxy powder coatings involves using modifiers or dispersants to modify nanomaterials, mixing the modified nanomaterials with epoxy resin in proportion to ball milling, and preparing a pre-dispersion.

CHEN S, SUN C, ZHANG Y, ZHAO X, DU G, YE Y, ZHANG L, HOU B

Preparing low-temperature resistant, stretch-resistant and anticorrosive coating, comprises e.g. dispersing graphite oxide in deionized water, dissolving polyetheramine, refluxing, and adding black dispersion to acrylic resin emulsion.

MA J, ZHANG L, SUN D, WEI K, LIU N, HUANG B, ZHANG H, YANG S, ZHU S, WANG L, CHU J