国家/地区 中国（3）
IPC部 B（3）
IPC大类 C08（3） C09（3） B32（2）
IPC小类 C08K（3）
IPC C08L027/06（3）
发明人
公开年
申请年
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

Electromagnetic shielding composite material useful in field of 5G communication or aerospace, comprises absorption layer and reflective layer compounded on absorption layer; absorption layer includes modified resin layer.

RAN X, WANG C, FU C, NIE W, QIAN J, GAO Y, CHU H

Preparing fire hose comprises e.g. providing e.g. polyvinyl chloride, polybutylene terephthalate, graphene, and nano titanium dioxide, adding polybutylene terephthalate in reaction kettle, heating, stirring, adding graphene, and reacting.

XU X