[發(fā)明專利]聚乳酸熔融紡纖維熱粘合固化三維多孔無(wú)序支架的制備方法

有效

• 申請(qǐng)?zhí)枺?/td>: 201510040458.4
• 申請(qǐng)日: 2015-01-27
• 公開(kāi)（公告）號(hào): CN104674454B
• 公開(kāi)（公告）日: 2017-04-12
• 發(fā)明（設(shè)計(jì)）人: 高長(zhǎng)有;馮建永
• 申請(qǐng)（專利權(quán)）人: 浙江大學(xué)
• 主分類號(hào): D04H1/435
• 分類號(hào): D04H1/435;D04H1/55;D01D13/00;D01D5/08
• 代理公司: 杭州求是專利事務(wù)所有限公司33200
• 代理人: 韓介梅

技術(shù)領(lǐng)域

本發(fā)明涉及聚乳酸熔融紡纖維熱粘合固化三維多孔無(wú)序支架的制備方法。

背景技術(shù)

北卡羅萊納州立大學(xué)非織造布研究中心的Fedorova?et?al.[Fedorova?N,Pourdeyhimi?B:High?strength?nylon?micro-and?nanofiber?based?nonwovens?via?spunbonding.J?Appl?Polym?Sci?2007,104(5):3434-3442.]利用錦綸6(N6)和PLA(Natureworks)制備不同的海島纖維(錦綸6為島，PLA為海)，然后纖維網(wǎng)通過(guò)30m/min的水刺加固成織物。再將織物利用3％的NaOH溶液，在100℃處理10min去除掉PLA成分。通過(guò)溶掉PLA組分后，可以得到微米和納米纖維，并且纖維直徑可以達(dá)到0.36-1.3mm。

關(guān)于PLA熔融紡纖維，還有Polypropylene/Poly(lactic?acid)(PP/PLA)雙組份纖維[Arvidson?SA,Roskov?KE,Pate?JJ,Spontak?RJ,Khan?SA,Gorga?RE:Modification?of?Melt-Spun?Isotactic?Polypropylene?and?Poly(lactic?acid)Bicomponent?Filaments?with?a?Premade?Block?Copolymer.Macromolecules?2012,45(2):913-925.；Liu?Y,Tovia?F,Pierce?JD:Consumer?Acceptability?of?Scent-infused?Knitting?Scarves?Using?Functional?Melt-spun?PP/PLA?Bicomponent?Fibers.Text?Res?J2009,79(6):566-573.]、poly(lactic?acid)/hydroxyapatite(PLA/HA)[Persson?M,Lorite?GS,Cho?SW,Tuukkanen?J,Skrifvars?M:Melt?Spinning?of?Poly(lactic?acid)and?Hydroxyapatite?Composite?Fibers:Influence?of?the?Filler?Content?on?the?Fiber?Properties.Acs?Appl?Mater?Inter?2013,5(15):6864-6872.]、poly(lactic?acid)/Poly(R)-3-hydroxybutyrate-co-R-3-hydroxyvalerate(PLA/PHBV)[Pivsa-Art?S,Srisawat?N,O-Charoen?N,Pavasupree?S,Pivsa-Art?W:Preparation?of?Knitting?Socks?from?Poly(lactic?acid)and?Poly[(R)-3-hydroxybutyrate-co-(R)-3-hydroxyvalerate](PHBV)blends?for?Textile?Industrials.Enrgy?Proced?2011,9.]、poly(lactic?acid)/polyvinylidene?fluoride(PLA/PVDF)[Fryczkowski?R,Fryczkowska?B,Binias?W,Janicki?J:Morphology?of?fibrous?composites?of?PLA?and?PVDF.Compos?Sci?Technol?2013,89:186-193.]、Polylactide/Multiwall?Carbon?Nanotube(PLA/MWNT)[Rizvi?R,Tong?L,Naguib?H:Processing?and?Properties?of?Melt?Spun?Polylactide-Multiwall?Carbon?Nanotube?Fiber?Composites.J?Polym?Sci?Pol?Phys?2014,52(6):477-484.]、Polylactide/poly(vinyl?alcohol)(PLA/PVA)[Tran?NHA,Brunig?H,Hinuber?C,Heinrich?G:Melt?Spinning?of?Biodegradable?Nanofibrillary?Structures?from?Poly(lactic?acid)and?Poly(vinyl?alcohol)Blends.Macromol?Mater?Eng?2014,299(2):219-227.]、Polylactide/poly(butylene?succinate)(PLA/PBS)[Jompang?L,Thumsorn?S,On?JW,Surin?P,Apawet?C,Chaichalermwong?T,Kaabbuathong?N,O-Charoen?N,Srisawat?N:Poly(lactic?acid)and?Poly(butylene?succinate)Blend?Fibers?Prepared?by?Melt?Spinning?Technique.10th?Eco-Energy?and?Materials?Science?and?Engineering?Symposium?2013,34:493-499.]。