CN108618971A - 生物纤维浆料、干式生物纤维材料及其制法与护肤膜 - Google Patents
生物纤维浆料、干式生物纤维材料及其制法与护肤膜 Download PDFInfo
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Abstract
一种生物纤维浆料,其包含以下成分:生物纤维;结构纤维,其选自以下群组:嫘萦纤维、聚对酞酸乙二酯纤维、尼龙纤维及其组合;接着纤维,其选自含聚乙烯复合纤维类;助黏剂,其选自以下群组:聚酰胺类、低密度聚乙烯类及其组合;防干剂,其选自多元醇类;以及分散介质。该生物纤维浆料可用于制备具有优异吸湿率及湿强力的干式生物纤维材料。
Description
技术领域
本发明涉及一种生物纤维浆料,其可用于制备具有优异吸湿率及湿强力的干式生物纤维材料。因此,本发明也涉及一种制备干式生物纤维材料的方法、干式生物纤维材料及应用该干式生物纤维材料的护肤膜。
背景技术
生物纤维是使用微生物发酵所生长的天然纤维,其直径仅约20纳米,比人体头发细约1000倍。随着发酵的进行,生物纤维可长成生物纤维膜,此为目前所知最细致,触感与皮肤最接近,且保水力及弹性均优异的材料,因此特别适合应用在美容及生物医学领域,例如可作为面膜基材,供吸附护肤成分。
然而,生物纤维膜具有干燥后即无法恢复吸水性能的缺点,因此必须一直保持于湿润状态,无法如一般不织布面膜基材般制成干式的成卷布材,这导致生物纤维膜难以连续生产,以及保存与运送上的不便。此外,生物纤维膜经裁切后会产生无法使用的废料,目前这些废料直接丢弃,无法加以利用,此不仅造成浪费,也增加废弃物处理的不便。
发明内容
有鉴于前述的现况,本发明利用生物纤维废料提供一种生物纤维浆料,该生物纤维浆料可用于制备一种新型态的干式生物纤维材料,该干式生物纤维材料可被连续地制造成成卷产品,便于储存及运送,并且该干式生物纤维材料具有优异的吸湿率及湿强力,特别适合作为护肤膜的基材。
因此,本发明的一目的在于提供一种生物纤维浆料,其包含:
生物纤维;
结构纤维,其选自以下群组:嫘萦纤维、聚对酞酸乙二酯(polyethyleneterephthalate,PET)纤维、尼龙纤维及其组合;接着纤维,其选自含聚乙烯复合纤维类;
助黏剂,其选自以下群组:聚酰胺类、低密度聚乙烯类及其组合;
防干剂,其选自多元醇类;以及
分散介质。
于本发明生物纤维浆料的部分实施例中,结构纤维为嫘萦纤维与聚对酞酸乙二酯纤维的组合,接着纤维为聚乙烯-聚酯复合纤维,助黏剂为聚酰胺,且防干剂为甘油。
于本发明生物纤维浆料的部分实施例中,以100重量份的生物纤维计,结构纤维的量为约4重量份至约12重量份,接着纤维的量为约2重量份至约8重量份,且助黏剂的量为约4重量份至约10重量份。较佳地,以100重量份的生物纤维计,结构纤维的量为约6重量份至约8重量份,接着纤维的量为约3重量份至约5重量份,且助黏剂的量为约6重量份至约8重量份。
于本发明生物纤维浆料的部分实施例中,分散介质与防干剂的体积比为约10:1至约20:1,例如约10:1至约15:1。
本发明的另一目的在于提供一种制备干式生物纤维材料的方法,包括以下指定顺序的步骤:
一抄造步骤,将上述生物纤维浆料覆于一多孔性支撑基材上,以于多孔性支撑基材上形成一生物纤维材料膜;
一烘干步骤,去除生物纤维材料膜中的至少部分分散介质;以及
一热压步骤,热压生物纤维材料膜以获得该干式生物纤维材料。
于本发明方法的部分实施例中,烘干步骤是于约80℃至约100℃的温度下持续约1分钟至约10分钟。
于本发明方法的部分实施例中,热压步骤是于约120℃至约150℃的温度下持续约5秒至约30秒,其中生物纤维材料膜未与多孔性支撑基材接触的表面较佳经热压约10秒至约20秒,且生物纤维材料膜与多孔性支撑基材接触的表面较佳经热压约5秒至约10秒。
本发明的一目的在于提供一种干式生物纤维材料,其由上述制备干式生物纤维材料的方法所制得,且可具有至少约800%的吸湿率以及至少约200公克/75平方公分的湿强力。
本发明的一目的在于提供一种护肤膜,包括一基材以及一附于基材上的护肤成分,其中使用上述干式生物纤维材料作为该基材。
为使本发明的上述目的、技术特征及优点能更明显易懂,下文以部分具体实施例进行详细说明。
附图说明
图1为一抄造设备,其可用于实施本发明制备干式生物纤维材料的方法。
附图标记说明
100:混料槽
200:循环水槽
300:抄造箱
400:烘箱
500:热压滚轮
600:卷取机构
具体实施方式
以下将具体地描述根据本发明的部分具体实施例;但是,在不背离本发明的精神下,本发明还可以多种不同形式的实施例来实践,不应将本发明保护范围解释为限于说明书所陈述的。
除非文中有另外说明,于本说明书中(尤其是在后述专利申请范围中)所使用的“一”、“该”及类似用语应理解为包含单数及复数形式。
本文中,用词“约”是指所指定的量可增加或减少一本领域技术人员可认知为一般且合理的大小的量。
在所附的附图中,为了清楚,可能夸大各层及区域的厚度。
本发明为生物纤维膜所面临的废料处理问题以及必须保持湿润状态而难以连续制造、保存及运送的问题提供了一个解决方案。具体来说,本发明提供一种生物纤维浆料,其可通过抄造技术制备新型态的干式生物纤维材料,该干式生物纤维材料不仅具有生物纤维本身的优点,还具有优异的吸湿率及湿强力,特别适合作为护肤膜(如面膜)的基材。
1.生物纤维浆料
本发明的生物纤维浆料包含生物纤维、结构纤维、接着纤维、助黏剂、防干剂以及分散介质等必要成分,该浆料可通过抄造技术制备干式生物纤维材料。
结构纤维可提高所制纤维材料的结构强度及材料特性,且选自嫘萦纤维、聚对酞酸乙二酯(PET)纤维、尼龙纤维或其组合。接着纤维选自含聚乙烯复合纤维类,提供纤维的黏着效果,其实施例包括聚乙烯-聚酯皮芯型复合纤维、聚乙烯-聚酯并列型复合纤维等,但本发明不限于此。助黏剂选自聚酰胺类、低密度聚乙烯类或其组合,用于增强纤维间的黏着效果。防干剂选自多元醇类,可提高所制得的生物纤维材料的吸湿效果。分散介质可为任何可分散生物纤维浆料各成分,但不与这些成分反应的惰性介质,例如水。于本发明的部分实施例中,结构纤维为嫘萦纤维与聚对酞酸乙二酯纤维的组合,接着纤维为聚乙烯-聚酯皮芯型复合纤维(芯层:聚酯;表皮层:聚乙烯),助黏剂为聚酰胺,防干剂为甘油,且分散介质为水。
于本发明生物纤维浆料中,以100重量份的生物纤维计,结构纤维的量较佳为约4重量份至约12重量份,更佳约6重量份至约8重量份,接着纤维的量较佳为约2重量份至约8重量份,更佳约3重量份至约5重量份,且助黏剂的量较佳为约4重量份至约10重量份,更佳约6重量份至约8重量份。分散介质与防干剂的体积比较佳为约10:1至约20:1,更佳为约10:1至约15:1。于上述较佳比例范围时,本发明生物纤维浆料所制得的生物纤维材料可具有较佳的吸湿率以及湿强力。
于本发明生物纤维浆料中,生物纤维、结构纤维、接着纤维的长度可由本发明所属技术领域的技术人员视需要选用。就所制得的干式生物纤维材料的结构强度而言,结构纤维较佳具有至少约2毫米的长度,例如约3毫米至约30毫米,如4毫米、5毫米、6毫米、7毫米、8毫米、9毫米、10毫米、12毫米、15毫米、20毫米或25毫米,但本发明并不限于此。就纤维间的黏着效果而言,接着纤维较佳具有至少约1毫米的长度,例如约2毫米至约25毫米,如3毫米、4毫米、5毫米、6毫米、7毫米、8毫米、9毫米、10毫米、12毫米、15毫米或20毫米,但本发明并不限于此。
本发明生物纤维浆料的制备,可通过将生物纤维浆料各必要成分,包括生物纤维、结构纤维、接着纤维、助黏剂及防干剂,与其他视需要的现有的添加剂均匀混合并分散于分散介质而制得,其中所述现有的添加剂可为任何常用于护肤膜的添加剂。分散介质与生物纤维、结构纤维、接着纤维、助黏剂等成分间的比例并无特殊限制,本发明所属技术领域中的技术人员可视实际需要调整,例如可先以少量分散介质将生物纤维浆料各成分均匀分散,以浓缩浆料形式运送或贩卖,于实际使用时再添加适量的分散介质稀释。
2.制备干式生物纤维材料的方法
本发明也提供一种使用上述生物纤维浆料以制备干式生物纤维材料的方法,该方法依序包括抄造步骤、烘干步骤以及热压步骤。于抄造步骤中,生物纤维浆料被覆于一作为衬布的多孔性支撑基材上,而于其上形成一生物纤维材料膜。于烘干步骤中生物纤维材料膜中的至少部分分散介质被烘干去除。于热压步骤中,通过热压合的方式,使纤维彼此黏着在一起以形成干式生物纤维材料。
可使用如图1所示意的抄造设备实施本发明制备干式生物纤维材料的方法。首先,将经粉碎机绞碎的生物纤维、结构纤维、接着纤维、助黏剂及防干剂于混料槽100中混合均匀,所得混合物接着与循环水槽200的水于抄造箱300中混合均匀,形成生物纤维浆料。接着进行抄造程序以将生物纤维浆料覆于衬布(图未示出)上,形成一生物纤维材料膜。利用吸水输送带将生物纤维材料膜输送至烘箱400烘干,以去除部分分散介质。烘干后的生物纤维材料膜接着以热压滚轮500热压,以制得干式生物纤维材料。所制得的干式生物纤维材料并可利用卷取机构600卷成卷材保存。
于本发明的方法中,烘干步骤的烘干温度较佳为约80℃至约100℃,例如85℃、90℃或95℃,烘干持续时间较佳为约1分钟至约10分钟,例如2分钟、3分钟、4分钟、5分钟、6分钟、7分钟、8分钟或9分钟。热压步骤的热压温度应至少高于接着纤维及助黏剂的熔点,以提供所须的黏着效果,且较佳为约120℃至约150℃,例如125℃、130℃、135℃、140℃或145℃。热压持续时间较佳为约5秒至约30秒,例如15秒、20秒或25秒。此外,更佳对生物纤维材料膜的两面分别进行热压,其中生物纤维材料膜未与多孔性支撑基材接触的表面较佳热压约10秒至约20秒,且生物纤维材料膜与多孔性支撑基材接触的表面较佳热压约5秒至约10秒。于上述烘干及热压条件下,本发明方法所制得的干式生物纤维材料可具有甚至更佳的吸湿率以及湿强力。
本发明方法可连续式地操作,且所制得的干式生物纤维材料可成卷保存,在制造成本、储存及运送上均有显著优势。此外,本发明方法的上述步骤均为物理性处理,因此本发明方法还具有环保优势。
3.干式生物纤维材料
本发明也提供一种由上述方法所制得的干式生物纤维材料,该干式生物纤维材料可被连续地制造成卷材,成功解决传统生物纤维材料必须保持湿润,不利于储存及运送的问题。于本发明的较佳实施例中,干式生物纤维材料具有至少约800%的吸湿率以及至少约200公克/75平方公分的湿强力,例如850%、950%、1000%、1050%、1100%、1150%、1200%、1250%、1300%、1350%、1400%、1450%或1500%的吸湿率,以及250公克/75平方公分、300公克/75平方公分、350公克/75平方公分、400公克/75平方公分、450公克/75平方公分、500公克/75平方公分、550公克/75平方公分或600公克/75平方公分的湿强力。于本文中,干式生物纤维材料的吸湿率及湿强力为根据实施例所述测量方式测量。
4.护肤膜
本发明干式生物纤维材料具有优异吸湿率及湿强力,可作为护肤膜的基材使用。因此,本发明也提供一种护肤膜,该护肤膜包含一基材以及一附于基材上的护肤成分,其中使用上述干式生物纤维材料作为该基材。护肤膜的实施例包括但不限于面膜、指膜及脚膜。护肤膜的护肤成分的种类并无特殊限制,可为任何本领域现有的可用于提供护肤效果的成分,例如茶多酚、玻尿酸等,但本发明并不限于此。本发明的护肤膜除具有生物纤维材料本身的优点外,还因为基材本身的良好吸湿率及湿强力,使得护肤膜中含有大量的护肤成分,且护肤膜在吸附护肤成分的情况下仍具有优异的强度。
5.实施例
5.1.测量方式说明
现以下列具体实施例进一步例示说明本发明,其中,所采用的测量仪器及方法分别如下:
[吸湿率测试]
取5公分×5公分的样品,于60℃烘箱烘干24小时后秤重,此为干重。接着将样品浸没于流动水中5秒,取出吸湿饱和垂流1分钟后秤重,此为湿重。以如下算式计算样品的吸湿率:
[湿强力测试]
以万能强力试验机进行湿强力测试(夹头速度:200公分/分钟),其中使用5公分×15公分的样品,且在进行湿强力测试前先使该样品吸附与样品本身等重的水。
5.2.干式生物纤维材料的制备
使用如图1所示意的抄造设备制备干式生物纤维材料。首先,以如表1所示的比例,将经粉碎机绞碎的生物纤维、结构纤维、接着纤维、助黏剂及防干剂于混料槽100中混合均匀,所得的混合物接着与来自循环水槽200的水于抄造箱300中混合均匀,形成生物纤维浆料。接着进行抄造程序以将生物纤维浆料覆于PET衬布(图未示出)上,形成生物纤维材料膜,再利用吸水输送带将生物纤维材料膜输送至烘箱400中烘干(烘干温度:80℃;烘干持续时间:3分钟),将烘干后的生物纤维材料膜以热压滚轮500热压(热压温度:120℃;热压持续时间:正面压合10秒,反面压合5秒,其中生物纤维材料膜未与多孔性支撑基材接触的表面为正面,生物纤维材料膜与多孔性支撑基材接触的表面为反面),以制得干式生物纤维材料。所制得的干式生物纤维材料利用卷取机构600卷成卷材保存。
表1:生物纤维浆料组成
5.3.干式生物纤维材料的性质测试
测量将所制得的干式生物纤维材料的基重、厚度、吸湿率及湿强力,并将结果纪录于下表2中。
表2:干式生物纤维材料的性质
如表2所示,本发明的干式生物纤维材料具有优异的吸湿率(1380%)及湿强力(480公克/75平方公分),适合作为护肤膜的基材。
上述实施例仅为例示性说明本发明的原理及其功效,并阐述本发明的技术特征,而非用于限制本发明的保护范围。本领域技术人员在不违背本发明的技术原理及精神下,可轻易完成的改变或安排,均属于本发明所主张的保护范围。因此,本发明的保护范围应以权利要求书所界定为准。
Claims (13)
1.一种生物纤维浆料,其特征在于,其包含:
生物纤维;
结构纤维,其选自以下群组:嫘萦纤维、聚对酞酸乙二酯纤维、尼龙纤维及其组合;
接着纤维,其选自含聚乙烯复合纤维类;
助黏剂,其选自以下群组:聚酰胺类、低密度聚乙烯类及其组合;
防干剂,其选自多元醇类;以及
分散介质。
2.如权利要求1所述的生物纤维浆料,其特征在于,结构纤维为嫘萦纤维与聚对酞酸乙二酯纤维的组合,接着纤维为聚乙烯-聚酯复合纤维,助黏剂为聚酰胺,且防干剂为甘油。
3.如权利要求1所述的生物纤维浆料,其特征在于,以100重量份的生物纤维计,结构纤维的量为4重量份至12重量份,接着纤维的量为2重量份至8重量份,且助黏剂的量为4重量份至10重量份。
4.如权利要求3所述的生物纤维浆料,其特征在于,以100重量份的生物纤维计,结构纤维的量为6重量份至8重量份,接着纤维的量为3重量份至5重量份,且助黏剂的量为6重量份至8重量份。
5.如权利要求1所述的生物纤维浆料,其特征在于,分散介质与防干剂的体积比为10:1至20:1。
6.如权利要求5所述的生物纤维浆料,其特征在于,分散介质与防干剂的体积比为10:1至15:1。
7.一种制备干式生物纤维材料的方法,其特征在于,包括以下指定顺序的步骤:
一抄造步骤,将如权利要求1至6中任一项所述的生物纤维浆料覆于一多孔性支撑基材上,以于多孔性支撑基材上形成一生物纤维材料膜;
一烘干步骤,去除生物纤维材料膜中的至少部分分散介质;以及
一热压步骤,热压生物纤维材料膜以获得干式生物纤维材料。
8.如权利要求7所述的方法,其特征在于,烘干步骤是于80oC至100oC的温度下持续1分钟至10分钟。
9.如权利要求7所述的方法,其特征在于,于热压步骤中是于120oC至150oC的温度下持续5秒至30秒。
10.如权利要求9所述的方法,其特征在于,于热压步骤中,生物纤维材料膜未与多孔性支撑基材接触的表面经热压10秒至20秒,且生物纤维材料膜与多孔性支撑基材接触的表面经热压5秒至10秒。
11.一种干式生物纤维材料,其特征在于,其由如权利要求7至10中任一项所述的方法所制得。
12.如权利要求11所述的干式生物纤维材料,其特征在于,其具有至少800%的吸湿率以及至少200公克/75平方公分的湿强力。
13.一种护肤膜,其特征在于,包括一基材以及附于基材上的护肤成分,其中,使用如权利要求11或12所述的干式生物纤维材料作为该基材。
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- 2018-03-20 US US15/926,610 patent/US20180271768A1/en not_active Abandoned
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CN101063280A (zh) * | 2006-04-25 | 2007-10-31 | 钟洲 | 一种合成纤维纸及制造方法 |
JP2008069112A (ja) * | 2006-09-14 | 2008-03-27 | Toyo Shinyaku:Kk | パック用化粧品 |
CN103179875A (zh) * | 2010-10-26 | 2013-06-26 | 株式会社爱茉莉太平洋 | 化妆用生物纤维面膜片及其制备方法 |
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CN113164331A (zh) * | 2018-11-26 | 2021-07-23 | 斯瓦蒙卢森堡公司 | 包含植物纸和保湿剂的美容膜 |
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CN108618971B (zh) | 2021-04-06 |
KR20180106919A (ko) | 2018-10-01 |
TW201835400A (zh) | 2018-10-01 |
TWI663299B (zh) | 2019-06-21 |
US20180271768A1 (en) | 2018-09-27 |
KR101966006B1 (ko) | 2019-04-04 |
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