5 平/span>

金牌会员

已认?/p>

纳米纤维 (CNF(/div>

超高压分散粉碎设备在纳米纤维素粉碎分散上的应?/span>

超高压分散的工作原理


刵/span>浅/span>的原料分散在水中并加厊/span>?45MPa、/span>

這/span>过金刚石喷嘴相互倽/span>斜碰撞,可以尅/span>原材料生产成纲/span>籲/span>纤维、/span>

还/span>是一种清洁,刑/span>旵/span>代的方法,只需?/span>用水和原料制造、/span>


超高压粉碍/span>制造方法的众/span>炸/span>

·由于仄/span>使用水和原材料制造,因此寸/span>人和?/span>境都友好、/span>

·杂质池/span>染极小、/span>

·這/span>过连?/span>加工可以批量甞/span>?/span>、/span>

·可以保持请/span>如聚合度咋/span>绒/span>晶度的原料特性、/span>

·它也可以用于高粘度和长纤绳/span>等原材料、/span>

·易于定制纳米纤维镾/span>度和直径、/span>



功能材料纤维紟/span>纲/span>籲/span>纤维(CNF)的特性和库/span>?/span>

什么是纤维紟/span>纲/span>籲/span>纤维(CNF)?

纤维紟/span>纲/span>籲/span>纤维(CNF)是由植物来源的纤维素制成的纲/span>籲/span>纤维材料、br/> ?纲/span>米:1/10亾/span>(br/> CNF?/span>讷/span>多行丙/span>中具有出色的特性,例如,比钢轻1/5,强5倍,并且纾/span>?/span>?/span>?/span>小到不/span>石英玻璃类似、/span>




CNF的特炸/span>

纤维素是植物绅/span>胞壁的主要成分,是地球上最丰富的天然聚合物,估讠/span>平/span>?/span>量超迆/span>1000亾/span>吨、/span>

它的绒/span>构是宼/span>?/span>丹/span>3? nm皃/span>细纤绳/span>'/span>纤维素微纤维)的聚集体,是数十个纤维素分子的束。CNF?/span>还/span>亚/span>绅/span>?/span>纤维或已分解成数?/span>纲/span>米或更小皃/span>宼/span>度的聚集体的怺/span>?/span>、/span>


特点


·它是趄/span>细纤绳/span>。(最導/span>協/span>佌/span>丹/span>3-100nm(/span>

·具有高强度。(?/span>?/span>?/span>钡/span>?倍)

·纾/span>?/span>?/span>?/span>低。(由于?/span>而引起的小的?/span>和收?/span>,类似于石英玻璃(/span>

·它是轺/span>野/span>?/span>的。(钡/span>?/5(/span>

籲/span>纤维素:纤维紟/span>纲/span>籲/span>纤维(CNF)和纤维紟/span>纲/span>米晶体(CNC),并且超高压分散粉碎得到的纤维素被分类丹/span>CNF、/span>


CNF的制造方泔/span>

通常,存在两种类型的纲/span>這/span>过细匕/span>纤维素耋/span>莶/span>得的CNF的特性根据解纣/span>方法而不同、br/> 陣/span>纣/span>方法可大致分丹/span>因机械力而松?/span>的“机械除纣/span>”和吋/span>旵/span>使用化学和机械除气的“化学除纣/span>”?nbsp;

根据库/span>用情况,正在迚/span>行适用的研究、/span>




超高压分散粉碎得到的CNF的特炸/span>

成/span>?/span>利用?/span>丙/span>机械制造商皃/span>优势来开叐/span>咋/span>售CNF筈/span>纲/span>籲/span>纤维材料皃/span>?/span>品、/span>

是這/span>迆/span>原始皃/span>超高压分散粉碎设夆/span>制造的。這/span>迆/span>机械觢/span>纣/span>将其分类丹/span>CNF、br/> 刵/span>浅/span>的原料分散在水中并加压喷涂至245MPa。這/span>过金刚石喷嘴相互倽/span>斜碰撞,可以解决原材料并甞/span>产纳籲/span>纤维皃/span>问题、/span>

佛/span>为标凅/span>阴/span>容,成/span>?/span>?wt%,5wt%和10wt$/span>浒/span>度的阴/span>容、/span>


特点

·這/span>过连续处理可?/span>迚/span>行大野/span>夃/span>理、/span>

·由于仄/span>使用水和原材料制造,因此寸/span>人和?/span>境均友好,并专/span>杂质'/span>池/span>染)极少、/span>

·可以抑制迆/span>?/span>挤压、/span>

·髗/span>浒/span>度(高粘度)咋/span>长纤绳/span>加工是可能的、/span>

·由于可以控制厊/span>力和次数,因此可以控制物理特性,例如长宽比、/span>


=span style="font-family: Meiryo, sans-serif; font-size: 14px; color: rgb(85, 26, 139);">关于水刀制造方法的详细


制速/span>设备


它是使用内部设备在国内工厂生?/span>的、br/> 由于它是在无尗/span>室中制造的,因此可以安全地用于匕/span>妅/span>品造、br/> 由于还/span>是一种可以大野/span>夃/span>理的构造方法,因此可以在工丙/span>水平三/span>迚/span>行制、/span>



CNF皃/span>库/span>?/span>

CNF已被引入所月/span>库/span>用,并且這/span>迆/span>利用各种特性(例如分散稲/span>定性,乳液稲/span>定性,增强性能,保水性和增稠性)而不?/span>叐/span>展、/span>



分散稲/span>定性及在分敢/span>剁/span>中的库/span>?/span>


使用CNF在水中的丈/span>绳/span>罐/span>络结构,可以分散咋/span>稲/span>宙/span>颖/span>粒、/span>

由于它可以从食品咋/span>栐/span>脂等轻质?/span>?/span>分散到无机物?/span>和金属等里/span>?/span>?/span>?/span>中,因此有望库/span>用于广泛皃/span>颅/span>域、/span>

佛/span>丹/span>具体例子,示出了分散有各种无机粒子的犵/span>?/span>。尽管取决于分散条件,但是可分散茂/span>図/span>由比重和要分散的颖/span>粒的粒径确定


乳液稲/span>定性及其在乳化剁/span>中的库/span>?/span>


由于CNF在油滴表面上的吸附和水中的三绳/span>罐/span>绛/span>,油滴在水中稲/span>定并乳化、br/> 由于它可以从食用油到低极性的?/span>丙/span>有机溵/span>剂进行乳化,因此有望在广泛的颅/span>域中使用、br/> 佛/span>丹/span>具体例子,示出了橃/span>榃/span>油的乳化犵/span>?/span>。它被均匀地乳化,并且乳化犵/span>?/span>?/span>?/span>徇/span>长时闳/span>、/span>



增强材料咋/span>库/span>用于增强材料(填 )


這/span>迆/span>利用CNF的特性,例如高强度,位/span>?/span>?/span>,重野/span>轺/span>和高长宽比,可以增强栐/span>脂,橡胶+/span>纷/span>?


纳米纤维紟/span>CNF干燥名/span>受/span>成薄膜。此旵/span>+/span>纤维镾/span>度越镾/span>+/span>纤维乊/span>闳/span>的接触越多,并且膜的强度越高、/span>

即使当用佛/span>请/span>妁/span>栐/span>脂的增强材料旵/span>+/span>纤维镾/span>度越镾/span>,期望的强度就越好、/span>


将CNF添加到PVA?/strong>


昽/span>示了?/span>纳米纤维素CNF增强聚乙?/span>醇(PVA)的绒/span>果、br/> 在保持PVA透明性的吋/span>时进行了加固。另外,增强效果随着纤维镾/span>度的增加而增加、/span>




在CFRP上添加CNF

向碳纤维增强塑料(CFRP)中添加CNF纤维素可改善疱/span>劲/span>寿命、br/>這/span>迆/span>适当地使用具有不吋/span>纤维镾/span>度的CNF纤维素,可以迚/span>一步提高寿命、/span>



CNF栐/span>脂填料干粈/span>



丹/span>了使CNF水性分散体'/span>浅/span>料)不/span>栐/span>脂的混合更加容易,我们还提供了一系列 CNF干粉,用于增强填料(填料),还/span>些填斘/span>可以粉末化、/span>



保水玆/span>


這/span>迆/span>将原料制戏/span>纲/span>籲/span>纤维,表靡/span>?/span>将增功/span>?/span>100倍、/span>

比表靡/span>?/span>越高,与水接触的羞/span>基量越大+/span>亱/span>水性越高,叐/span>甞/span>?/span>野/span>捞/span>失的可能性越小、br/> 在CNF纤维素中+/span>纤维镾/span>度越短,比表靡/span>?/span>越高+/span>寻/span>致保水性更高、/span>

此外,由几丁?/span>制成的CNF皃/span>纤维直径比CNF纤维素小,因此保水性更高、/span>




增稠


两种CNF都是假塑性流体,其粘度随剪切速率的增加而降低、/span>

因此,可以制造“在静置旵/span>具有高粘度,而在施加劚/span>旵/span>粘度降低的流体”。此外,剪切速率的依赕/span>性因原料类型咋/span>纤维镾/span>度的不同而不同,因此您可?/span>选择适合自己目的的一种、/span>




库/span>用于匕/span>妅/span>品添功/span>剁/span>


匕/span>妅/span>品利用CNF的特性有很多用途,例如保湿性,良好的触感,稲/span>定的颖/span>粒分散性和乳化性、/span>



佛/span>丹/span>一个具佒/span>宝/span>例,昽/span>示了将CNF纤维素添加到乳液和乳霜中以改善保水性的绒/span>果、br/> 您可?/span>?/span>甞/span>辂/span>少粘性的独特触感、/span>



利用率行丙/span>

以此方式+/span>颃/span>期CNF将用于各种行丙/span>、/span>


·化学9/span>栐/span>脁/span>?/span>强材料,透明材料基材筈/span>

·甴/span>?甴/span>气・ ヺ/span>甴/span>极材料,导电辄/span>助材料等

·纤维:增强材料,粘合剁/span>材料,吸陃/span>剁/span>+/span>过滤器等、/span>

·匕/span>妅/span>品:培/span>础剁/span>,保湾/span>剁/span>,防晒霜筈/span>

·食品:功能成分,增稠剁/span>,保湾/span>剁/span>,定垊/span>剁/span>等、/span>

·?/span>品:生物相容性材料,薄膜剁/span>,止血剁/span>等、/span>

·建材:多功能建材,室内装?/span>材料筈/span>

·颛/span>料:碳粉,液晵/span>滣/span>色片,打印机墨水,各种涂料等、/span>


CNF咋/span>纲/span>籲/span>纤维的研究与开叐/span>


成/span>?/span>与大学和研究机构一起促进应用开叐/span>、/span>


关于几丁质纳籲/span>纤维和壳聚糖纲/span>籲/span>纤维

什么是几丁质纳籲/span>纤维和壳聚糖纲/span>籲/span>纤维>/span>

甲壳质纳籲/span>纤维是一秌/span>纲/span>籲/span>纤维材料,由仍/span>贜/span>类壳?/span>莶/span>得的?/span>物衍生甲売/span>?/span>制成、/span>

甲壳素是贜/span>籺/span>贜/span>壳的主要成分,是仄/span>次于纤维素的第二大最丰富的聚合物,据?/span>讠/span>其年?/span>量与纤维素几乎相同、/span>

壳聚糖是這/span>迆/span>使几?/span>?/span>脱乙?/span>耋/span>莶/span>得的阳离子聚合物、/span>

几丁质纳籲/span>纤维和壳聚糖纲/span>籲/span>纤维具有与CNF相同皃/span>绒/span>构和特征,并且具有很高的生物相容性,因此在医学和刵/span>?/span>衋/span>丙/span>中它?/span>被期望比CNF更多、/span>

另外,這/span>迆/span>分解几丁?/span>和壳聚糖耋/span>莶/span>得的N-乘/span>?/span>氨基葡糖和氨基葡糖作丹/span>功能性食品受到关注、/span>


库/span>?/span>颅/span>埞/span>


·化学9/span>栐/span>脁/span>?/span>强材料,透明材料基材筈/span>

·甴/span>?甴/span>气・ ヺ/span>甴/span>极材料,导电辄/span>助材料等

·纤维:增强材料,粘合剁/span>材料,吸陃/span>剁/span>+/span>过滤器等、/span>

·匕/span>妅/span>品:培/span>础剁/span>,保湾/span>剁/span>,防晒霜筈/span>

·食品:功能成分,增稠剁/span>,保湾/span>剁/span>,定垊/span>剁/span>等、/span>

·?/span>品:生物相容性材料,薄膜剁/span>,止血剁/span>等、/span>

·建材:多功能建材,室内装?/span>材料筈/span>

·颛/span>料:碳粉,液晵/span>滣/span>色片,打印机墨水,各种涂料等、/span>



叐/span>,制造和售各秌/span>纲/span>籲/span>纤维材料


超高压分散设夆/span>可以根据库/span>用提侚/span>还/span>亚/span>纤维紟/span>纲/span>籲/span>纤维,几?/span>质纳籲/span>纤维和壳聚糖纲/span>籲/span>纤维佛/span>丹/span>生物质纳籲/span>纤维CNF系列、/span>

成/span>?/span>皃/span>优势之一是,成/span>?/span>可以使用独特皃/span>超高压分散粉碍/span>制造方法,使用不同的原材料制速/span>纲/span>籲/span>纤维、/span>



丝绸纲/span>籲/span>纤维CNF丝绸


今/span>绍丝绸纳籲/span>纤维(由丝绸制成皃/span>纲/span>籲/span>纤维材料)、/span>



什么是蚔/span>丝纳籲/span>纤维>/span>

蚔/span>东/span>是由蚔/span>?/span>制成的天然材料,是由‛/span>东/span>胶蛋白”和‛/span>东/span>心蛋白”两种蛋發/span>质组成的纤维状物?/span>、/span>

蚔/span>丝纳籲/span>纤维TXCNF蚔/span>东/span>“/span>是這/span>迆/span>使用成/span>?/span>?/span>刚/span>皃/span>超高压分散粉碍/span>?/span>佾/span>还/span>种蚕东/span>脰/span>纣/span>并制戏/span>纲/span>籲/span>纤维而制成的、/span>

使用丒/span>用的超高压分散粉碎设夆/span>将生东/span>有效?/span>?/span>匕/span>为纳籲/span>纤维

纲/span>米:1/10亾/span>


特?/span>

传统上,丝绸已作丹/span>粉末和香精混入化妅/span>品中,已知可以有效激活皮肣/span>绅/span>胞,保湿和阻挠/span>紫外纾/span>、/span>

另一方面,由于蚕丝颗粒具有强的晶佒/span>绒/span>构,因此隽/span>以将尺寸减小?μm(微米:1mm?/1000)或更小,并且存在均匀分散和涂覆的问题、/span>

這/span>迆/span>将蚕丝颗粑/span>转变戏/span>纲/span>籲/span>纤维,可以添加以下功能,并且有望将其库/span>用于匕/span>妅/span>品和区/span>疖/span>材料、/span>


蚔/span>丝纳籲/span>纤维的特?/span>

·纲/span>籲/span>纤维改善比表靡/span>?/span>

·這/span>过赋予tyxo特性增加粘?/span>

·由于增稠作用,改善了颖/span>粒的分散稲/span>定?/span>

·毓/span>颖/span>粒更容易成型和沉?/span>


安全诃span style="font-family: Meiryo, sans-serif; color: rgb(102, 102, 102);">?/span>



昽/span>示了這/span>过动?/span>实验替代方法迚/span>行的安全?/span>诃/span>估的绒/span>果、/span>


觃/span>?提供表格



·名称:TXCNF丝绸

·型号:TX-001

·彡/span>?/span>?wt。%水性分散体(凝胶)

·颛/span>色:浅棕艱/span>

·纤维尺寸:直徃/span>?/span>100 nm+/span>镾/span>?/span>?/span>几µm

·朌/span>务单位:250克(?/span>内盖的塑料容器)




影响:

添加乳液的效枛/span>

含有0.5wt。TXCNF东/span>的乳液比非添功/span>剁/span>乳液具有曳/span>镾/span>的持久保湿效果、/span>


黏?/span>

佛/span>丹/span>改善?/span>览/span>的材料,可以添加增稠和触受/span>性、/span>

库/span>?/span>宝/span>侊/span>

?/span>呉/span>今/span>绌/span>亅/span>丝纳籲/span>纤维皃/span>库/span>?/span>宝/span>例和实验绒/span>枛/span>、/span>


术报告中今/span>绌/span>皃/span>库/span>用示侊/span>


库/span>用于油乳化(油胶(/span>

紫外纾/span>(紫夕/span>纾/span>)切割能劚/span>

对结构的增强作用(制速/span>绅/span>胞培养底物的示例(/span>

*载自海外应用



无锡泰贤 2020-11-14 | 阅读?1442

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