JP4784143B2 - ポリ乳酸多孔質体の製造方法 - Google Patents
ポリ乳酸多孔質体の製造方法 Download PDFInfo
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- JP4784143B2 JP4784143B2 JP2005130667A JP2005130667A JP4784143B2 JP 4784143 B2 JP4784143 B2 JP 4784143B2 JP 2005130667 A JP2005130667 A JP 2005130667A JP 2005130667 A JP2005130667 A JP 2005130667A JP 4784143 B2 JP4784143 B2 JP 4784143B2
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- polylactic acid
- copolymer
- porous body
- solid
- acid porous
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- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Description
該溶液を乾燥して固形物を得る工程、
該固形物を水、アルコール類から選択される液と接触させて該液に該固形物中の前記共重合体(B)を溶出させる工程、
を含む多孔質体の製造方法であることにある。
該溶液を乾燥して固形物を得る工程、
該固形物を水と接触させて該水に該固形物中の前記共重合体(B)を溶出させる工程、により得ることができる。
実施例1と同様にして得たポリエチレングリコールとポリ乳酸の共重合体20重量部と数平均分子量100000のDL−体乳酸重合体80重量部とを200℃の2軸スクリュー押出機で溶融し、ゲージ0.1mm、温度195℃のダイリップより押し出し、8m/minの速度で引き取って厚さ30μmのフィルムを得た。
Claims (4)
- 乳酸を主成分とする重合体(A)と、水溶性のポリアルキレンエーテルと乳酸との共重合体(B)とを溶媒に溶解させて溶液を得る工程、
該溶液を乾燥して固形物を得る工程、
該固形物を水、アルコール類から選択される液と接触させて該液に該固形物中の前記共重合体(B)を溶出させる工程、
を含むポリ乳酸多孔質体の製造方法。 - 前記共重合体(B)中のポリアルキレンエーテルの重量分率が50〜95%である、請求項1に記載のポリ乳酸多孔質体の製造方法。
- 前記固形物中の前記共重合体(B)の含有率が5〜50重量%である請求項1又は2に記載のポリ乳酸多孔質体の製造方法。
- 前記ポリアルキレンエーテルがポリエチレングリコールである、請求項1から3のいずれかに記載のポリ乳酸多孔質体の製造方法。
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JP2005130667A JP4784143B2 (ja) | 2005-04-28 | 2005-04-28 | ポリ乳酸多孔質体の製造方法 |
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JP2005130667A JP4784143B2 (ja) | 2005-04-28 | 2005-04-28 | ポリ乳酸多孔質体の製造方法 |
Publications (2)
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JP2006306983A JP2006306983A (ja) | 2006-11-09 |
JP4784143B2 true JP4784143B2 (ja) | 2011-10-05 |
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JP2005130667A Expired - Fee Related JP4784143B2 (ja) | 2005-04-28 | 2005-04-28 | ポリ乳酸多孔質体の製造方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015058638A1 (zh) * | 2013-10-23 | 2015-04-30 | 东丽先端材料研究开发(中国)有限公司 | 微多孔聚乳酸取向薄膜及其应用 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4944449B2 (ja) * | 2006-01-18 | 2012-05-30 | 日東電工株式会社 | 多孔質構造体の製造方法および多孔質構造体並びに多孔質構造体からなる細胞培養用足場基材 |
JP2009029114A (ja) * | 2007-06-22 | 2009-02-12 | National Institute Of Advanced Industrial & Technology | 充填剤を分散させた状態の溶融混練物の製造方法、溶融混練物の製造方法により得られる樹脂成形物、その製造方法若しくはその用途 |
US8048948B2 (en) | 2007-06-22 | 2011-11-01 | National Institute Of Advanced Industrial Science And Technology | Filler-dispersed melt-kneaded products, molded resin products thereof, and production method thereof |
CN102639619B (zh) | 2009-11-19 | 2014-04-02 | 株式会社钟化 | 连续气泡多孔体及其制造方法 |
JP5286313B2 (ja) * | 2010-03-19 | 2013-09-11 | 国立大学法人 新潟大学 | デプスフィルター型精密濾過膜及びその製造方法 |
KR101034049B1 (ko) | 2010-08-16 | 2011-05-11 | 주식회사 폴리사이언텍 | 저탄소 친환경 폴리락타이드계 마이크로퍼포레이트 필름 |
NL1039140C2 (nl) * | 2011-10-29 | 2013-05-06 | Synbra Tech Bv | Groeisubstraat voor planten. |
Family Cites Families (2)
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JP2004168895A (ja) * | 2002-11-20 | 2004-06-17 | Unitika Ltd | 生分解性が向上した生分解性樹脂組成物及び成形体 |
JP2004204119A (ja) * | 2002-12-26 | 2004-07-22 | Mitsubishi Paper Mills Ltd | 多孔質フィルム及びこれを用いた電気化学素子 |
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Cited By (1)
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WO2015058638A1 (zh) * | 2013-10-23 | 2015-04-30 | 东丽先端材料研究开发(中国)有限公司 | 微多孔聚乳酸取向薄膜及其应用 |
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