Crosslinked ion-exchange materials, related methods, and related articles
US-2024050906-A1 · Feb 15, 2024 · US
Substrate for liquid filter
US2016082398A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2016082398-A1 |
| Application number | US-201414889196-A |
| Country | US |
| Kind code | A1 |
| Filing date | May 2, 2014 |
| Priority date | May 7, 2013 |
| Publication date | Mar 24, 2016 |
| Grant date | — |
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Abstract
Official abstract text for this publication.
A substrate for a liquid filter, which includes a polyolefin microporous membrane, the polyolefin microporous membrane having a water permeation efficiency of 1.21 to 2.90 ml/min·cm 2 , the polyolefin microporous membrane having a bubble point of 0.40 MPa to 0.65 MPa, the polyolefin microporous membrane having a compressibility of less than 15%.
First claim
Opening claim text (preview).
1 . A substrate for a liquid filter, comprising a polyolefin microporous membrane, the polyolefin microporous membrane having a water permeation efficiency of 1.21 to 2.90 ml/min·cm 2 , the polyolefin microporous membrane having a bubble point of 0.40 MPa to 0.65 MPa, the polyolefin microporous membrane having a compressibility of less than 15%. 2 . The substrate for a liquid filter according to claim 1 , wherein the polyolefin microporous membrane has a heat shrinkage of 20% or more in the width direction after a heat treatment at 130° C. for 1 hour. 3 . The substrate for a liquid filter according to claim 1 , wherein the polyolefin microporous membrane has a thickness of 7 to 16 μm. 4 . The substrate for a liquid filter according to claim 1 , wherein the polyolefin microporous membrane has a pore-blocking temperature of more than 140° C. 5 . The substrate for a liquid filter according to claim 1 , wherein the polyolefin microporous membrane has a porosity of 50 to 60%. 6 . The substrate for a liquid filter according to claim 2 , wherein the polyolefin microporous membrane has a thickness of 7 to 16 μm. 7 . The substrate for a liquid filter according to claim 2 , wherein the polyolefin microporous membrane has a pore-blocking temperature of more than 140° C. 8 . The substrate for a liquid filter according to claim 3 , wherein the polyolefin microporous membrane has a pore-blocking temperature of more than 140° C. 9 . The substrate for a liquid filter according to claim 6 , wherein the polyolefin microporous membrane has a pore-blocking temperature of more than 140° C. 10 . The substrate for a liquid filter according to claim 2 , wherein the polyolefin microporous membrane has a porosity of 50 to 60%. 11 . The substrate for a liquid filter according to claim 3 , wherein the polyolefin microporous membrane has a porosity of 50 to 60%. 12 . The substrate for a liquid filter according to claim 4 , wherein the polyolefin microporous membrane has a porosity of 50 to 60%. 13 . The substrate for a liquid filter according to claim 6 , wherein the polyolefin microporous membrane has a porosity of 50 to 60%. 14 . The substrate for a liquid filter according to claim 7 , wherein the polyolefin microporous membrane has a porosity of 50 to 60%. 15 . The substrate for a liquid filter according to claim 8 , wherein the polyolefin microporous membrane has a porosity of 50 to 60%. 16 . The substrate for a liquid filter according to claim 9 , wherein the polyolefin microporous membrane has a porosity of 50 to 60%.
Assignees
Inventors
Classifications
by stretching · CPC title
by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods · CPC title
Characteristic thickness · CPC title
Thermal or heat-resistance properties · CPC title
characterised by their properties · CPC title
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Frequently asked questions
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- What does patent US2016082398A1 cover?
- A substrate for a liquid filter, which includes a polyolefin microporous membrane, the polyolefin microporous membrane having a water permeation efficiency of 1.21 to 2.90 ml/min·cm 2 , the polyolefin microporous membrane having a bubble point of 0.40 MPa to 0.65 MPa, the polyolefin microporous membrane having a compressibility of less than 15%.
- Who is the assignee on this patent?
- Teijin Ltd
- What technology area does this patent fall under?
- Primary CPC classification B01D71/26. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Thu Mar 24 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).