CN Patent

CN113426308A — 一种耐酸碱、耐高温pass/pp高通量管式超滤膜

Assigned to Henan Functional Polymer Membrane Material Innovation Center Co ltd · Expires 2021-09-24 · 5y expired

What this patent protects

本发明公开了一种耐酸碱、耐高温PASS/PP高通量管式超滤膜，属于有机分离膜领域。所述分离膜包括改性聚丙烯（PP）多孔支撑层和聚芳硫醚砜（PASS）分离膜层。本发明首先通过专有设备超声焊接制备PP多孔膜支撑管，之后将含有PASS的铸膜液同步均匀涂覆于上述制备的支撑管内壁，采用相转化法制备PASS/PP高通量管式超滤膜。该膜具有亲水性好、通量高、耐高温、耐酸碱等优异性能，可广泛用于医药、食品、酸碱回收、工业水处理及石油化工等领域。

USPTO Abstract

本发明公开了一种耐酸碱、耐高温PASS/PP高通量管式超滤膜，属于有机分离膜领域。所述分离膜包括改性聚丙烯（PP）多孔支撑层和聚芳硫醚砜（PASS）分离膜层。本发明首先通过专有设备超声焊接制备PP多孔膜支撑管，之后将含有PASS的铸膜液同步均匀涂覆于上述制备的支撑管内壁，采用相转化法制备PASS/PP高通量管式超滤膜。该膜具有亲水性好、通量高、耐高温、耐酸碱等优异性能，可广泛用于医药、食品、酸碱回收、工业水处理及石油化工等领域。

Drugs covered by this patent

Patent Metadata

Patent number
CN113426308A
Jurisdiction
CN
Classification
—
Expires
2021-09-24
Drug substance claim
No
Drug product claim
No
Assignee
Henan Functional Polymer Membrane Material Innovation Center Co ltd
Source
FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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