JPWO2022176856A5 - - Google Patents
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- JPWO2022176856A5 JPWO2022176856A5 JP2023500856A JP2023500856A JPWO2022176856A5 JP WO2022176856 A5 JPWO2022176856 A5 JP WO2022176856A5 JP 2023500856 A JP2023500856 A JP 2023500856A JP 2023500856 A JP2023500856 A JP 2023500856A JP WO2022176856 A5 JPWO2022176856 A5 JP WO2022176856A5
- Authority
- JP
- Japan
- Prior art keywords
- polypropylene
- small
- tends
- mfr
- seeds
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Description
ポリプロピレンとしてＭＦＲ及び／又は分子量が異なる２種以上を含む場合、ポリプロピレンとしては、ＭＦＲが１０ｇ／１０分～１００００ｇ／１０分のポリプロピレンと、ポリプロピレンのワックス及び長鎖分岐を有するポリプロピレンから選ばれる少なくとも１種との混合物が好ましい。このような混合物であると、平均繊維径が細くなる傾向にあり、小さな粒子の捕集効率が向上する傾向にある。 When two or more types of polypropylene having different MFRs and/or molecular weights are included, the polypropylene has at least one selected from polypropylene having an MFR of 10 g/ 10 min to 10000 g/10 min, polypropylene wax, and polypropylene having long chain branches. Mixtures with seeds are preferred. With such a mixture, the average fiber diameter tends to be small, and the collection efficiency of small particles tends to be improved.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021026456 | 2021-02-22 | ||
| PCT/JP2022/005976 WO2022176856A1 (en) | 2021-02-22 | 2022-02-15 | Nonwoven fabric, nonwoven fabric layered body, filter, and liquid-blocking article |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2022176856A1 JPWO2022176856A1 (en) | 2022-08-25 |
| JPWO2022176856A5 true JPWO2022176856A5 (en) | 2023-08-22 |
Family
ID=82931770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023500856A Pending JPWO2022176856A1 (en) | 2021-02-22 | 2022-02-15 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPWO2022176856A1 (en) |
| WO (1) | WO2022176856A1 (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4652611A (en) * | 1982-04-12 | 1987-03-24 | Mitsubishi Chemical Industries Limited | Low-temperature fluidity improver |
| JPS60125664A (en) * | 1983-12-12 | 1985-07-04 | 東レ・ダウコーニング・シリコーン株式会社 | Manufacture of silicon elastomer coated cloth |
| JPH0455491A (en) * | 1990-06-22 | 1992-02-24 | Goyo Paper Working Co Ltd | Stain-proofing agent |
| JP2003166173A (en) * | 2001-09-20 | 2003-06-13 | Mitsui Chemicals Inc | Fiber sheet and protective working clothes |
| WO2014042253A1 (en) * | 2012-09-14 | 2014-03-20 | 出光興産株式会社 | Multilayer nonwoven fabric and method for producing same |
| JP6310297B2 (en) * | 2014-03-28 | 2018-04-11 | 三井化学株式会社 | Adhesives and glass run channels |
| JP6662120B2 (en) * | 2016-03-11 | 2020-03-11 | ダイキン工業株式会社 | Non-woven |
| JP2021031819A (en) * | 2019-08-29 | 2021-03-01 | 三井化学株式会社 | Nonwoven fabric and filter |
-
2022
- 2022-02-15 JP JP2023500856A patent/JPWO2022176856A1/ja active Pending
- 2022-02-15 WO PCT/JP2022/005976 patent/WO2022176856A1/en active Application Filing
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