国家/地区 中国（4）
IPC部 B（4） C（3）
IPC大类 B01（2） C07（2）
IPC小类 B01J（2） C07C（2）
IPC B01J023/745（2） B01J023/888（2） B01J027/224（2）
B01J037/02（2） C07C017/20（2） C07C017/26（2）
C07C017/358（2） C07C019/10（2） C07C021/18（2）
发明人 DONG L（4）
公开年 2023（4）
申请年 2023（4）
专利权人 BEIJING YUJI.（2） QUANZHOU YUJ.（2）

Initiator used for preparing hydrochlorofluorocarbons by halogenated olefins and halogenated alkanes, prepared by e.g. soaking soluble salt of iron element on carrier, filtering to obtain initiator precursor, drying initiator precursor, calcining and activating to obtain initiator.

QING F, DONG L, ZHANG C, QUAN H

Initiator useful for preparation of hydro-chlorofluorocarbon by halogenated alkenes and halogenated alkanes to prepare fluorination catalyst for hydro-fluoroolefin, prepared by e.g. initiator precursor composed of iron element and carrier.

QUAN H, QING F, DONG L, ZHANG C

Processing composite material spraying method comprises e.g. removing residual substances on the surface of the substrate by grinding with a grinder, using nitrogen or helium as the carrier gas, spraying on the surface of the substrate, and insulating.

XIONG J, DONG L

Preparing modified graphene/titanium-based composite powder, comprises e.g. taking spherical titanium-based powder as matrix material and boric acid as precursor, reacting soluble boride and graphene oxide, ball milling spherical titanium-based powder and boron-modified graphene nanopowder.

WANG G, DONG L, ZHANG Y, MAO X