CN110565441A - 一种棕纸及其制作工艺 - Google Patents
一种棕纸及其制作工艺 Download PDFInfo
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Abstract
本发明公开了一种棕纸及其制作工艺,涉及造纸的技术领域,其包括以下重量份计原料:废弃印花纸1000份、颜料146‑150份、石粉113‑127份、湿强剂50‑55份、明矾20‑25份、抗菌剂20‑24份和其余外加剂6‑10份;所述抗菌剂包括以下重量份计原料:绿茶提取液10‑14%、鹅掌柴提取液10‑14%、艾蒿提取液10‑14%、壳聚糖10‑14%、煅烧膨润土20‑24%、偶联剂1‑5%,以及余量水。通过加入有湿强剂和抗菌剂与其余原料复配使用,降低了再制纸的吸水率,且提高了再制纸的湿强度的同时,赋予了再制纸良好的抗菌性能,从而提高建筑模板纸的使用效果。
Description
技术领域
本发明涉及造纸的技术领域,尤其是涉及一种棕纸及其制作工艺。
背景技术
建筑模板纸又称覆膜纸,是由专用纸浸演氨基树脂(主要是三聚氰胺树脂)或酚醛树脂,并干燥到一定固化程度的浸胶纸。现有的建筑模板纸一般有红、棕、黑三个颜色。
为减少对森林的砍伐,将废纸回收利用再制纸越来越受欢迎。
浙江的印染行业发达,其会在转移印花过程中产生大量的印花废纸。这些废弃的印花纸一般表面都比较洁白干净,表面含油墨量较少,一般都无需进行脱墨处理,是一种良好的再制纸原料。
但现有的再制纸制备成建筑模板纸的吸水性较大,且抗菌性较差,在储放过程中,易于受到外界温度和湿度的影响,易于出现发霉和吸水变软的现象,影响建筑模板纸的使用。
发明内容
本发明的目的是提供一种棕纸及其制作工艺,降低了再制纸的吸水率,且赋予了再制纸的良好的抗菌性,从而提高了建筑模板纸的使用效果。
本发明的上述发明目的是通过以下技术方案得以实现的:
一种棕纸,包括以下重量份计原料:
所述抗菌剂包括以下重量份计原料:绿茶提取液10-14%、鹅掌柴提取液10-14%、艾蒿提取液10-14%、壳聚糖10-14%、煅烧膨润土20-24%、偶联剂1-5%,以及余量水。
通过采用上述技术方案,通过加入有湿强剂和抗菌剂与其余原料复配使用,降低了再制纸的吸水率,且提高了再制纸的湿强度的同时,赋予了再制纸良好的抗菌性能,从而提高建筑模板纸的使用效果。
废弃印花纸采用印刷中用来转移印花的废纸,从而减少资源的浪费,有利于保护环境、保护森林、节约资源。
颜料用以对纸浆上色,用以赋予纸张颜色。
石粉作为填料,用以填充纤维之间的缝隙,且可以附着在纤维上,增大纤维之间的摩擦度,从而防止纤维之间发生滑动,提高纤维之间的结合度,从而提高纤维的密实度,提高纸料的湿强度。同时,还可以起到阻燃的作用。
湿强剂用以提高纸的湿强度,降低纸料的吸水率,从而提高建筑模板纸的使用效果。
抗菌剂赋予再制纸良好的抗菌性能,提高再制纸的使用效果。
明矾的作用在于消除或减少阴离子干扰物,加快网部的滤水和控制PH值。
绿茶提取液、鹅掌柴提取液、艾蒿提取液皆具有抗菌效果,赋予再制纸良好的抗菌性,且还可以赋予再制纸一定的香气,同时,还可以吸收空气和木板上挥发的甲醛,从而提高环境质量,增加再制纸的实用性。
壳聚糖不仅具有与纤维及填料的电中和能力,而且能够在各种微粒之间起到架桥作用、助留助滤作用,同时还有抑菌杀菌作用,赋予纸料更好的性能和良好的抗菌性。
煅烧膨润土采用在400℃下煅烧天然膨润土制成,用以对天然膨润土进行改性,增大膨润土的比表面积,从而提高各植物提取液和壳聚糖在其表面的附着量,且还可以达到缓释的效果。
且煅烧膨润土还可以作为填料,用以填充纤维之间的缝隙。同时,膨润土还可以作为微粒助留剂,用来改善浆料的留着、滤水、成形和纸机运行情况。
偶联剂用以提高各植物提取液和壳聚糖在煅烧膨润土上的附着效果和抗菌剂在纤维上的附着效果。偶联剂采用广州市中杰化工科技有限公司所生产的K-570硅烷偶联剂。
本发明进一步设置为:所述棕纸还包括以下重量份计原料:阴离子分散松香胶10-14份、AKD胶16-20份、阳离子淀粉6-10份。
通过采用上述技术方案,阴离子分散松香胶、AKD胶和阳离子淀粉皆为内添加施胶剂,在纸上施胶可提高纸张抗水、抗油、抗印刷油墨等性能,同时可提高光滑性、憎水性、印刷适应性。
阳离子淀粉是在淀粉大分子中引入叔氨基或季铵基,赋予淀粉阳离子特性。阳离子淀粉可提高AKD胶和阴离子分散松香胶在纤维上的附着效果,且还可以作为施胶增效剂。另外,这两种化学品协同作用,在提高施胶效率的同时还可以改善纸张强度。
阴离子分散松香胶可以与吸附在纤维上的明矾发生反应,提高阴离子分散松香胶在纤维上的附着量和附着牢固度。
通过阴离子分散松香胶、AKD胶和阳离子淀粉三者复配使用,发生协同作用,可赋予纸料良好的抗水和抗油性,且便于纸料的之后处理,便于之后的浸渍液进入到纸料中去。
阴离子分散松香胶采用泰安市亿奎化工有限公司所生产的货号为015的阴离子分散松香胶。
AKD胶采用泰安市亿奎化工有限公司所生产的货号为018的AKD胶。
阳离子淀粉采用德州润德淀粉有限公司所生产的阳离子淀粉。
本发明进一步设置为:所述湿强剂包括以下重量百分比计原料:聚酰胺多胺环氧氯丙烷树脂20-30%、聚丙烯酸酯核壳乳液20-30%、磷酸二氢钠6-10%、磷酸氢二钠4-8%,以及余量水。
通过采用上述技术方案,聚酰胺多胺环氧氯丙烷树脂(简写为PAE树脂)是一种水溶性阳离子型热固性树脂,可作为湿强剂和抗水剂使用。其可在较宽范围内使用,有较强的自固着性,在含有较多阴离子杂质或高盐浓度的环境中仍能发挥良好的增湿强效果。
聚丙烯酸酯核壳乳液用以对聚酰胺多胺环氧氯丙烷树脂进行改性,赋予纸料好良好的柔软度。聚丙烯酸酯核壳乳液引用刘慎,旷春桃,王钟武,et al.聚丙烯酸酯核壳乳液的制备及研究[J]的制备方法。
由于PAE中带有环氧氯丙烷链,使得壳聚糖在一定温度下可以接枝在PAE上,用以形成一定的网状结构,进一步提高纸料的强度,且还可以提高抗菌剂在纤维上的附着量和附着效果。
磷酸二氢钠和磷酸氢二钠可以复配制成缓冲液,用以调节溶液的pH值。且还可以作为阻燃剂,赋予纸料一定的阻燃效果。
通过上述原料复配制得湿强剂,各原料之间发生协同作用,用以提高纸料的湿强度和降低纸料的吸水性能,从而提高建筑模板纸的使用效果。
本发明进一步设置为:所述颜料包括以下重量百分比计原料:炭黑10-20%、铁红80-90%。
通过采用上述技术方案,通过上述配比,可配出棕色。
本发明进一步设置为:所述石粉包括以下重量百分比计原料:滑石粉20-30%、二氧化硅粉10-20%、沉淀碳酸钙粉30-40%、研磨碳酸钙粉20-30%。
通过采用上述技术方案,加入有滑石粉,可降低沉淀碳酸钙粉和研磨碳酸钙粉的使用量,降低工厂生产成本。
且滑石粉可以与阳离子基团通过吸附、环袋作用形成聚集体而沉留在纸页上,从而提高了滑石粉在纤维上的附着量和附着力度。滑石粉还可以作为树脂控制剂。
二氧化硅粉可作为微粒助留剂,用来改善浆料的留着、滤水、成形和纸机运行情况。
沉淀碳酸钙粉和研磨碳酸钙粉之间可发生协同作用,提高再制纸的性能。
通过滑石粉、二氧化硅粉、沉淀碳酸钙粉和研磨碳酸钙粉四者复配使用,发生协同作用,用以提高再制纸的强度。
本发明进一步设置为:所述棕纸还包括以下重量份计原料:针叶木浆280-300份,所述针叶木浆的质量浓度为3-7%。
通过采用上述技术方案,通过加入有针叶木浆,增加纸的韧性、耐折度和抗张强度。
针叶木浆采用山东道欣新材料有限公司所销售的漂白针叶木浆。
本发明进一步设置为:所述其余外加剂包括以下重量百分比计原料:消泡剂40-60%、分散剂40-60%。
通过采用上述技术方案,通过加入有消泡剂,用于消除纸浆拌合过程中产生的气泡,从而提高纸料强度。消泡剂采用大田化学所生产的AT-899纸浆消泡剂。
通过加入有分散剂,提高各原料在纸浆中的分散性,从而提高成品纸的品质。分散剂采用苏州昊诺工贸有限公司所生产的造纸分散剂。
一种棕纸的制备工艺,包括以下制备工艺:
S1:将废弃印花纸制成废纸浆;
S2:a.制备湿强剂:按比例将磷酸二氢钠、磷酸氢二钠和水混合均匀后,制得缓冲剂;
按比例将聚酰胺多胺环氧氯丙烷树脂、聚丙烯酸酯核壳乳液和缓冲剂混合均匀后,制得湿强剂;
b.制备抗菌剂:按比例将绿茶提取液、鹅掌柴提取液、艾蒿提取液、壳聚糖、偶联剂和水混合均匀后,再加入煅烧膨润土混合均匀,制得第一助剂;
将第一助剂烘干后,将第一助剂研磨成粉,制得抗菌剂;
S3:将废纸浆与针叶木浆充分混合后,将混合后的浆料通过细筛进行浓缩;
S4:按比例将颜料、石粉、湿强剂、抗菌剂、明矾、阴离子分散松香胶、AKD胶、阳离子淀粉和其余外加剂加入至浓缩后的纸浆内,搅拌均匀后,制得混合浆料;
S5:干燥:混合浆料通过上网装置形成湿纸幅,湿纸幅进入压力靴形的压榨部进行脱水成型,使湿纸幅得到初步干燥;
S6:压榨后的湿纸幅进入烘缸进行烘干,经裁剪得到棕纸。
通过采用上述技术方案,步骤2中,将PEA、聚丙烯酸酯核壳乳液和缓冲剂混合均匀,使得PAE大分子可以吸附包裹在乳液颗粒的周围,制备出了一种阳离子化PAE改性的聚丙烯酸酯乳液,提高纸料湿强度的同时,赋予纸料良好的柔韧性,从而提高纸料的的使用效果。
步骤6中在烘干过程中,湿强剂自己以及与纤维之间发生固化交联,用以在纤维表面形成一层网状结构,束缚了纤维的润胀,保持了纸的湿强度;同时这些高聚物可与纤维间以共价键或离子键结合,这些键在数量和强度方面都足以克服纤维与水的相互作用,使纸张保持一定强度。
本发明进一步设置为:所述废弃印花纸制成废纸浆包括以下制备工艺:将废弃印花纸放入至容器内,并倒入70-80℃的水,保温浸泡20-30min后,将浸湿的印花纸粉碎至50-100nm直径的纸浆碎片,制得质量浓度为2-6%的废纸浆。
通过采用上述技术方案,在70-80℃下浸泡废纸20-30min,降低纸的湿强度,便于之后粉碎废纸,制备纸浆。
加入有70-80℃的水,防止温度过高,纤维过度溶胀,影响再制纸的强度。或防止温度过低,导致纤维无法很好被粉碎,影响再制纸的质量。
将印花纸粉碎至50-100nm直径的纸浆碎片,防止纸浆碎片过小,而导致将废纸浆细筛浓缩时,纸浆碎片会随水一起外流,造成工厂生产成本上升。或防止纸浆碎片过大,而导致再制纸纤维之间的结合度下降,从而导致再制纸的强度下降,影响在再制纸的吸水性。
将废纸浆的质量浓度控制在2-6%,防止加入的水较少,影响纤维之间分离和溶胀。或防止加入的水较多,导致水资源浪费。
本发明进一步设置为:所述棕纸的吸水性控制在17-19mm/10min。
通过采用上述技术方案,通过将上述原料和步骤所制得的棕纸的的吸水性控制在17-19mm/10min,防止所制得的原料纸的吸水率过高,而导致其吸收空气中的水分,从而影响再制纸的强度;或防止所制得的原料纸的吸水率过低,导致酚醛树脂或脲醛树脂等浸渍液无法很好的附着在所制得的原料纸上,从而影响后期建筑模板纸的制备。
综上所述,本发明的有益技术效果为:
1、通过加入有湿强剂和抗菌剂与其余原料复配使用,降低了再制纸的吸水率,且提高了再制纸的湿强度的同时,赋予了再制纸良好的抗菌性能,从而提高建筑模板纸的使用效果;
2、通过聚酰胺多胺环氧氯丙烷树脂和聚丙烯酸酯核壳乳液复配使用,用以对聚酰胺多胺环氧氯丙烷树脂进行改性,降低了再制纸吸水性,提高再制纸湿强度,且还赋予的再制纸良好的柔软度。
附图说明
图1是本发明的工艺流程图。
具体实施方式
以下结合附图对本发明作进一步详细说明。
实施例一:
参照图1,为本发明公开的一种棕纸的制备工艺,包括以下制备工艺:
S1:将废弃印花纸制成废纸浆:将废弃印花纸放入至容器内,并倒入75℃的水,保温浸泡25min后,将浸湿的印花纸粉碎至50-100nm直径的纸浆碎片,制得质量浓度为4%的废纸浆。
S2:a.制备湿强剂:将8%的磷酸二氢钠、6%的磷酸氢二钠和36%的水混合均匀后,制得缓冲剂;
将25%的胺环氧氯丙烷树脂、25%的酯核壳乳液和缓冲剂混合均匀后,制得湿强剂;
b.制备抗菌剂:将12%的绿茶提取液、12%的鹅掌柴提取液、12%的艾蒿提取液、12%的壳聚糖、3%的偶联剂和27%的水混合均匀后,再加入22%的煅烧膨润土混合均匀,制得第一助剂;
将第一助剂烘干后,将第一助剂研磨成粉,制得抗菌剂;
S3:将1000份废纸浆与290份针叶木浆充分混合后,将混合后的浆料通过细筛进行浓缩;
针叶木浆的质量浓度为5%;
S4:将颜料148份、石粉115份、湿强剂52份、抗菌剂22份、明矾23份、阴离子分散松香胶12份、AKD胶18份、阳离子淀粉8份和其余外加剂8份加入至浓缩后的纸浆内,搅拌均匀后,制得混合浆料;
颜料包括15%的炭黑和85%的铁红;
石粉包括25%的滑石粉、15%的二氧化硅粉、35%的沉淀碳酸钙粉和25%的研磨碳酸钙粉;
其余外加剂包括50%的消泡剂和50%的分散剂;
S5:干燥:混合浆料通过上网装置形成湿纸幅,湿纸幅进入压力靴形的压榨部进行脱水成型,使湿纸幅得到初步干燥;
S6:压榨后的湿纸幅进入烘缸进行烘干,经裁剪得到棕纸;
制得后的棕纸吸水性控制在18mm/10min。
实施例2-5与实施例1的区别在于,棕纸包括以下重量份计原料:
实施例6-9与实施例1的区别在于,抗菌剂包括以下重量份计原料:
实施例10-13与实施例1的区别在于,湿强剂包括以下重量百分比计原料:
实施例14-17与实施例1的区别在于,颜料包括以下重量百分比计原料:
实施例18-21与实施例1的区别在于,石粉包括以下重量百分比计原料:
实施例22-25与实施例1的区别在于,其余外加剂包括以下重量百分比计原料:
实施例26-29与实施例1的区别在于,针叶木浆的质量浓度如下表所示:
实施例 | 实施例26 | 实施例27 | 实施例28 | 实施例29 |
质量浓度/(%) | 3 | 4 | 6 | 7 |
实施例30-33与实施例1的区别在于,步骤1中倒入的水的温度如下表所示:
实施例 | 实施例30 | 实施例31 | 实施例32 | 实施例33 |
温度/(℃) | 70 | 73 | 77 | 80 |
实施例34-37与实施例1的区别在于,步骤1中浸泡时间如下表所示:
实施例 | 实施例34 | 实施例35 | 实施例36 | 实施例37 |
时间/(min) | 20 | 23 | 27 | 30 |
实施例38-41与实施例1的区别在于,废纸浆的质量浓度如下表所示:
实施例 | 实施例38 | 实施例39 | 实施例40 | 实施例41 |
质量浓度/(%) | 2 | 3 | 5 | 6 |
对比例:
对比例1与实施例1的区别在于,制作棕纸的原料中不存在湿强剂;
对比例2与实施例1的区别在于,制作棕纸的原料中不存在阴离子分散松香胶、AKD胶和阳离子淀粉;
对比例3与实施例1的区别在于,制作棕纸的原料中不存在针叶木浆;
对比例4与实施例1的区别在于,制作棕纸的原料中不存在抗菌剂;
对比5与实施例1的区别在于,抗菌剂只存在有绿茶提取液、鹅掌柴叶提取液、艾蒿提取液和水;
对比例6与实施例1的区别在于,湿强剂中只存在有聚酰胺多胺环氧氯丙烷树脂;
对比例7与实施例1的区别在于,步骤1中不倒入70-80℃的水,也不进行保温浸泡。
将实施例1-3和对比例1-7进行以下检测:
1)吸水性检测:将实施例1-3和对比例1-7制成的纸张裁剪成宽1cm的长方形纸条,然后在一水槽内加水至38±2mm,并在水槽后面用胶带固定以钢尺,水位处于钢尺的零位。用双面胶将检测样品固定在水槽内,且检测纸条的下部刚好接触水面,并在检测样品下面夹一个小夹子,对纸条提供一定重力,防止纸条飘起。检测样品放置完成后,立即计时,检测10mi n内的纸条吸水高度。吸水高度代表纸张的吸水性。
2)湿强度检测:将实施例1-3和对比例1-7制成的纸张采用湿抗张强度GB/T24328.4-2009的测定方法。
由上表可知,通过实施例1-3与对比例1对比可知,实施例1-3的吸水性、干强度和湿强度皆好于对比例1,说明加入有湿强剂可提高再制纸的抗张强度和湿抗张强度,且再制纸的吸水性降低。
实施例1-3与对比例2对比可知,说明加入有阴离子分散松香胶、AKD胶和阳离子淀粉可提高纸张的抗张强度和湿抗张强度,降低纸张的吸水性。
实施例1-3与对比例3对比可知,说明加入有针叶木浆可提高纸张的抗张强度和湿抗张强度,且可以降低纸张的吸水性。
实施例1-3与对比例4-5对比可知,说明在抗菌剂中加入有壳聚糖和煅烧膨润土,其可以与湿强剂以及纤维发生反应,从而可提高纸张的抗张强度和湿抗张强度,且可以降低纸张的吸水性。同时,还可以提高抗菌剂在纤维上的附着效果。
实施例1-3与对比例6对比可知,加入有聚丙烯酸酯核壳乳液会在一定程度上影响纸张的吸水性,导致纸张的吸水性上升,但其影响程度不高。且纸张的抗张强度和湿抗张强度皆大幅度提高,说明在湿强剂中加入有聚丙烯酸酯核壳乳液可提高纸张的干强度和湿强度,从而可以说明加入有聚丙烯酸酯核壳乳液可以提高纸张的柔韧性,防止纸张易被拉断。
通过对比例7与实施例1-3对比可知,将废弃印花纸放入70-80℃的水中浸泡20-30min,可以提高再制纸的干强度和湿强度,降低再制纸的吸水性。
且在制备纸张时,对比例7中将废弃印花纸粉碎至50-100nm直径的纸浆碎片,需要1-1.5h,且纸浆碎片直径大多为90-100nm的纸浆碎片;实施例1-3将废弃印花纸粉碎至50-100nm直径的纸浆碎片,需要30-40min,且纸浆碎片直径大多为70-80nm的纸浆碎片。说明将废弃印花纸放入70-80℃的水中浸泡20-30min,可适当降低粉碎时间和纸浆碎片的粒径,从而提高了再制纸的密实度。
通过实施例1-3对比可知,可以看到所有测试指标都显示本发明的配方比例在一定范围内能够达到较好的效果,如果太小或太大则会出现明显的差异,而且本发明通过对所有组分配比的调整,各组分之间的协同作用,使得再制纸具有的良好的湿抗张强度和较低的吸水率,具有显著的创新性。
3)抗菌性检测:将实施例1-3和对比例1、对比例4-5制成的纸张皆裁剪成1cm*1cm的小块;然后在琼脂培养基上接种试验菌(金色葡萄球菌),再将裁剪得到的纸块放置在培养基正中间,于37℃下培养24h后,用放大镜观察菌类繁殖情况和试样周围无菌区的晕圈大小。阻止带宽度由1级到10级依次增加。阻止带宽度代表抗菌效力的大小。
由上表可知,加入有抗菌剂可提高再制纸的抗菌效果,且湿强剂的存在,可提高抗菌剂在纤维上的附着效果,从而提高再制纸的抗菌效果。
且加入有壳聚糖和煅烧膨润土,也可以提高抗菌剂在纤维上的附着效果,从而提高再制纸的抗菌效果。
本具体实施方式的实施例均为本发明的较佳实施例,并非依此限制本发明的保护范围,故:凡依本发明的结构、形状、原理所做的等效变化,均应涵盖于本发明的保护范围之内。
Claims (10)
1.一种棕纸,其特征在于:包括以下重量份计原料:
废弃印花纸 1000份;
颜料 146-150份;
石粉 113-127份;
湿强剂 50-55份;
明矾 20-25份;
抗菌剂 20-24份;
其余外加剂 6-10份;
所述抗菌剂包括以下重量份计原料:绿茶提取液10-14%、鹅掌柴提取液10-14%、艾蒿提取液10-14%、壳聚糖10-14%、煅烧膨润土20-24%、偶联剂1-5%,以及余量水。
2.根据权利要求1所述的一种棕纸,其特征在于:所述棕纸还包括以下重量份计原料:阴离子分散松香胶10-14份、AKD胶16-20份、阳离子淀粉6-10份。
3.根据权利要求1述的一种棕纸,其特征在于:所述湿强剂包括以下重量百分比计原料:聚酰胺多胺环氧氯丙烷树脂20-30%、聚丙烯酸酯核壳乳液20-30%、磷酸二氢钠6-10%、磷酸氢二钠4-8%,以及余量水。
4.根据权利要求1所述的一种棕纸,其特征在于:所述颜料包括以下重量百分比计原料:炭黑10-20%、铁红80-90%。
5.根据权利要求1所述的一种棕纸,其特征在于:所述石粉包括以下重量百分比计原料:滑石粉20-30%、二氧化硅粉10-20%、沉淀碳酸钙粉30-40%、研磨碳酸钙粉20-30%。
6.根据权利要求1所述的一种棕纸,其特征在于:所述棕纸还包括以下重量份计原料:针叶木浆280-300份,所述针叶木浆的质量浓度为3-7%。
7.根据权利要求1所述的一种棕纸,其特征在于:所述其余外加剂包括以下重量百分比计原料:消泡剂40-60%、分散剂40-60%。
8.一种棕纸的制备工艺,其特征在于:包括以下制备工艺:
S1:将废弃印花纸制成废纸浆;
S2:a.制备湿强剂:按比例将磷酸二氢钠、磷酸氢二钠和水混合均匀后,制得缓冲剂;
按比例将聚酰胺多胺环氧氯丙烷树脂、聚丙烯酸酯核壳乳液和缓冲剂混合均匀后,制得湿强剂;
b.制备抗菌剂:按比例将绿茶提取液、鹅掌柴提取液、艾蒿提取液、壳聚糖、偶联剂和水混合均匀后,再加入煅烧膨润土混合均匀,制得第一助剂;
将第一助剂烘干后,将第一助剂研磨成粉,制得抗菌剂;
S3:将废纸浆与针叶木浆充分混合后,将混合后的浆料通过细筛进行浓缩;
S4:按比例将颜料、石粉、湿强剂、抗菌剂、明矾、阴离子分散松香胶、AKD胶、阳离子淀粉和其余外加剂加入至浓缩后的纸浆内,搅拌均匀后,制得混合浆料;
S5:干燥:混合浆料通过上网装置形成湿纸幅,湿纸幅进入压力靴形的压榨部进行脱水成型,使湿纸幅得到初步干燥;
S6:压榨后的湿纸幅进入烘缸进行烘干,经裁剪得到棕纸。
9.根据权利要求8所述的一种棕纸的制备工艺,其特征在于:所述废弃印花纸制成废纸浆包括以下制备工艺:将废弃印花纸放入至容器内,并倒入70-80℃的水,保温浸泡20-30min后,将浸湿的印花纸粉碎至50-100nm直径的纸浆碎片,制得质量浓度为2-6%的废纸浆。
10.根据权利要求8所述的一种棕纸的制备工艺,其特征在于:所述棕纸的吸水性控制在17-19mm/10min。
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112095361A (zh) * | 2020-08-25 | 2020-12-18 | 咖法科技(上海)有限公司 | 一种茶叶渣纸盒材料及其制备方法 |
CN113106774A (zh) * | 2021-04-21 | 2021-07-13 | 浙江山鹰纸业有限公司 | 应用于办公废纸的脱墨再利用方法 |
CN113174775A (zh) * | 2021-04-08 | 2021-07-27 | 浙江山鹰纸业有限公司 | 高强度高抗水性纸板制备方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101638861A (zh) * | 2009-08-16 | 2010-02-03 | 岳阳纸业股份有限公司 | 一种工业淋膜原纸的制造方法 |
CN102174761A (zh) * | 2011-02-28 | 2011-09-07 | 杭州华旺新材料科技有限公司 | 废纸回收型印刷装饰原纸的生产工艺 |
CN102391619A (zh) * | 2011-08-24 | 2012-03-28 | 广西大学 | 一种具有增强挺度及湿强功能的抗渗透助剂的制备方法 |
CN103157326A (zh) * | 2013-03-29 | 2013-06-19 | 浙江朝晖过滤技术股份有限公司 | 一种抗菌防霉型集尘袋及其制造方法 |
CN108824071A (zh) * | 2018-06-06 | 2018-11-16 | 安徽永豪日用品有限公司 | 一种竹纤维纸杯的制备方法 |
-
2019
- 2019-09-09 CN CN201910849291.4A patent/CN110565441A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101638861A (zh) * | 2009-08-16 | 2010-02-03 | 岳阳纸业股份有限公司 | 一种工业淋膜原纸的制造方法 |
CN102174761A (zh) * | 2011-02-28 | 2011-09-07 | 杭州华旺新材料科技有限公司 | 废纸回收型印刷装饰原纸的生产工艺 |
CN102391619A (zh) * | 2011-08-24 | 2012-03-28 | 广西大学 | 一种具有增强挺度及湿强功能的抗渗透助剂的制备方法 |
CN103157326A (zh) * | 2013-03-29 | 2013-06-19 | 浙江朝晖过滤技术股份有限公司 | 一种抗菌防霉型集尘袋及其制造方法 |
CN108824071A (zh) * | 2018-06-06 | 2018-11-16 | 安徽永豪日用品有限公司 | 一种竹纤维纸杯的制备方法 |
Non-Patent Citations (5)
Title |
---|
安郁琴等: "《制浆造纸助剂》", 31 August 2012, 中国轻工业出版社 * |
毕延亮等: "环氧氯丙烷改性壳聚糖的合成及对纸张增强作用的预判定", 《黑龙江造纸》 * |
沈序龙等: "《废纸再生工程》", 30 September 1990, 轻工业出版社 * |
王元昔(编著): "《超给力的室内空气净化植物》", 30 June 2016, 哈尔滨出版社 * |
顾小玲(编著): "《景观植物设计》", 11 July 2017, 上海人民美术出版社 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112095361A (zh) * | 2020-08-25 | 2020-12-18 | 咖法科技(上海)有限公司 | 一种茶叶渣纸盒材料及其制备方法 |
CN113174775A (zh) * | 2021-04-08 | 2021-07-27 | 浙江山鹰纸业有限公司 | 高强度高抗水性纸板制备方法 |
CN113106774A (zh) * | 2021-04-21 | 2021-07-13 | 浙江山鹰纸业有限公司 | 应用于办公废纸的脱墨再利用方法 |
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