CN109183493A - 一种高光洁度防水纸浆模塑产品及其制备工艺 - Google Patents
一种高光洁度防水纸浆模塑产品及其制备工艺 Download PDFInfo
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Classifications
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- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
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- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
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- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
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- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
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- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
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- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
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- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
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Abstract
本发明公开了一种高光洁度的防水纸浆模塑产品的制备工艺,包括以下步骤:竹纤维浆料的制备,将原竹在沸水中蒸煮1~2小时后进行碎解、研磨得到竹纤维,选取200~400目的竹纤维并加入竹纤维重量2~3倍的水搅拌成浆料;再加入相应的粘合剂25~35份、防水剂0.5~0.7份、和/或防油剂0.1~0.3份、阴离子型乳化剂0.5~0.8份、钛白粉0.5~0.8份混合成纸浆悬浮液;将纸浆悬浮液送入模塑机脱水并热压成型,制成模塑产品。本发明提供了一种应用前景广阔,环保、防水易降解的高光洁度的防水纸浆模塑产品及其制备工艺。
Description
技术领域
本发明涉及纸浆模塑领域,具体涉及一种高光洁度防水纸浆模塑产品及其制备工艺。
背景技术
近年来,随着制造业产品,特别是外包装制造产品的需求在不断加大,其制造工艺的不成熟也带来了相应的环境问题,而人们越来越强的环境保护意识使得技术人员深入对再生资源制造的研究。
传统的纸浆模塑产品较多的用于制造纸餐具、水果鸡蛋托、产品包装的内衬缓冲材料来代替塑料的使用。对于外观要求较高的产品外包装,仍然采用塑料、铁盒等传统材料,产品不环保、成本较高。在造纸领域,较多的通过纸张涂布技术提高纸张的表面性能,提高纸张的附加值和应用范围。由于纸浆模塑产品的特殊性,表面不平整,且传统的纸浆模塑产品表面较为粗糙、外观相对于其它类型包装档次较差,这与纸浆的纤维特性相关,纤维表面的粗糙、易吸水性、易燃等性能使得所制备产品在这些方面有一定的局限性。
竹纤维作为一种速生丰产植物,不仅栽种成活率高,成长周期短,其具有较强的耐磨性和良好的上染性,较棉纤维和粘胶纤维强,应用前景广阔,但相较于其它原料或可再生资源瞬间吸湿性超强,这也在一定程度上需要对其防水性有更高的要求。另一方面,现有的纸浆模塑产品为了提高防水性和防油性,加入了相应的防水剂和防油剂,而上述制得的产品在自然降解的过程中,由于防水剂特征属于呈弱阳离子性,将其加入至纸浆中,由于静电吸附而附着于纤维表面,在纤维表面形成一层膜,使纤维与纤维之间的连接更紧密,一定程度上抑制了纤维素大分子链断裂,故随着防水剂用量的强加,其抗张强度提高,在自然环境中其质量下降变得缓慢,失重率下降。因此,防水剂的添加及其添加量的多少在纸浆模塑上成为一把双刃箭,如何更好的利用竹纤维制造纸浆模塑产品且制造的产品在自然环境下易降解成为一项亟待研究的内容。
另外,目前的高光洁度纸浆模塑包装制品主要是白色,不能吸引和满足年轻一代的购买需求,市场对纯色纸模包装制品需求尤其较大,对色彩、色匀度、色牢度及卫生安全性要求较高。因此,具有环保性又具有经济价值的高光洁度纯色防水纸浆模塑包装制品的开发成为一重要课题。
发明内容
因此,本发明要解决的技术问题是克服现有技术中的缺陷,提供一种应用前景广阔的,环保易降解、防水的纸浆模塑制品及其制备方法。
本发明提供的一种高光洁度防水纸浆模塑产品的制备工艺,包括以下步骤:
(1)竹纤维浆料的制备,将原竹在沸水中蒸煮1~2小时后进行碎解、研磨得到竹纤维,选取200~400目的竹纤维并加入竹纤维重量2~3倍的水搅拌成浆料;
(2)竹纤维混合体的制备,包括选取如下重量份的原料搅拌形成纸浆悬浮液:
(3)纸浆模塑成型,将所述纸浆悬浮液送入模塑机脱水并热压成型。
可选地,步骤(2)中,包括选取如下重量份的原料搅拌形成纸浆悬浮液:
可选地,在所述纸浆模塑成型后,还包括在其表面进行雾化UV光油喷涂的步骤。
可选地,在所述竹纤维混合体的制备时,还包括加入其它颜料助剂并固色的步骤,固色剂为0.8~1.2重量份的季铵盐无醛固色剂。
可选地,所述防水剂为阳离子中性施胶剂。
可选地,阴离子型乳化剂为二羟甲基丙酸和/或二羟甲基丁酸。
可选地,所述粘合剂是将水、羧甲基纤维素、淀粉按1:1~2:1~2的重量份混合制得。
可选地,步骤(1)和(2)中搅拌转速为900rpm~1200rpm,搅拌时间为15min~20min。
可选地,步骤(3)将纸浆输送至真空吸模成型机,脱水、并挤压再脱水成型坯,再通过热压干燥制得纸浆模塑;脱水时间为30~60秒,湿坯在100摄氏度下烘干40~60分钟。
本发明还提供了一种由竹纤维、粘合剂、防水剂和/或防油剂、阴离子型乳化剂和钛白粉制成的纸浆模塑制品的制备方法制备的纸浆模塑制品。
本发明技术方案,具有如下优点:
本发明实施例的一种高光洁度防水纸浆模塑产品的制备工艺,选用原竹为模塑产品制备原料纤维,纸浆模塑本身为高耗能产业,而竹子生长迅速,再生能力强,作为纤维原材料有其优越性,另外,用竹子生产的模塑产品因为其含有的竹油成份,作为高档产品包装其及内衬具有天然竹味清香;其废弃物也可以回收再利用。
竹子由于其自身的天然属性,使得其具有极强的吸湿性、耐磨性和易染色性,作为产品,特别是高档产品或电子产品的包装,需要具有极好的防水性,以免外壳吸水变形或霉变,因此需要在其制作纸浆的过程中添加定量的甚至更多的防水剂,使其具有良好的防水防潮性,本发明实施例首先将原竹制成200~400目的竹纤维粒,再搅拌成浆,保证了终产品表面的平整度和平滑性,在得到的浆料加入合理配比的粘合剂、防水剂和/或防油剂、阴离子型乳化剂和钛白粉或其它颜料助剂,其中,防水剂的添加能够在模塑制品在自然环境下降解带来阻碍性,有研究人员作为试验,当在添加了大量防水剂和防油剂的纸浆模塑制品,在后期自然降解的过程中,由于防水剂呈属于弱阳离子性,静电吸附而附着于纤维表面,在纤维表面形成一层膜,使纤维与纤维之间的连接更紧密,一定程度上抑制了纤维素大分子链断裂,抗强强度提高,增加了制品的可降解性,本发明在竹纤维混合体制备时,又添加了0.5wt%~0.8wt%阴离子型乳化剂,如二羟甲基丙酸或二羟甲基丁酸,上述助剂的添加一方面提高了竹油等各种物质之间的相互溶合性,另一方面由于其具有阴离子性,而使得防水剂的静电吸附性得以平衡,因此,在实现了产品应具有的强防水性同时,废弃后在自然降解过程中经试验证明确实可以提高其降解率。
本发明的纸浆模塑制品,可以为了提高其白度,加入钛白粉以提高其白色度,同时根据需要添加其它颜料助剂以增加制品的丰富度,本实施例选用了0.08wt%~0.12wt%的季铵盐无醛固色剂,该固色剂能在染料与纤维间“架桥”形成化合物,即同时与染料分子反应,与纤维素纤维交联,形成高度多元化交联体系,使染料与纤维更牢固地结合。
具体实施方式
实施例1
本实施例的一种高光洁度防水纸浆模塑产品的制备工艺,包括以下步骤:
S1.将原竹在沸水中蒸煮1小时后进行碎解、研磨得到竹纤维,选取200~400目的竹纤维,并加入竹纤维重量2倍的水搅拌成竹纤维浆料;
S2.将上述制得竹纤维浆料取55份,添加以粘合剂35份,防水剂0.5份,防油剂0.3份,阴离子型乳化剂0.5份,钛白粉0.8份顺序置于碎解罐中以500~600转/分钟的转速混合8~15分钟直至混合均匀;
其中,本实施例选择粘合剂是以水、羧甲基纤维素、淀粉按1:1:2的重量份混合制得;防水剂选择丙烯酸酯共聚物,防油剂为丙烯酸酯类高分子聚合物,阴离子型乳化剂二羟甲基丙酸和二羟甲基丁酸1:1混合;
S3.将真空模塑机的伸入至上述形成的竹纤维混合体悬浮液中,真空吸模,其真空负压为0.04~0.07Mpa,脱水成湿坯,再通过模塑机的上下模挤压再脱水成型坯,共脱水时间达30秒,最后置于热压定型机内在130~150度的温度下干燥成型。
实施例2
本实施例的一种高光洁度防水纸浆模塑产品的制备工艺,包括以下步骤:
S1.将原竹在沸水中蒸煮2小时后进行碎解、研磨得到竹纤维,选取200~400目的竹纤维,并加入竹纤维重量3倍的水搅拌成竹纤维浆料;
S2.将上述制得竹纤维浆料取75份,添加以粘合剂25份,防水剂0.7份,防油剂0.1份,阴离子型乳化剂0.8份,钛白粉0.5份顺序置于碎解罐中以500~600转/分钟的转速混合8~15分钟直至混合均匀;
其中,本实施例选择粘合剂是以水、羧甲基纤维素、淀粉按1:2:1的重量份混合制得;防水剂选择丙烯酸酯共聚物,防油剂为丙烯酸酯类高分子聚合物,阴离子型乳化剂二羟甲基丙酸;
S3.将模塑机的一部分伸入至上述形成的竹纤维混合体悬浮液中,真空吸模,其真空负压为0.04~0.07Mpa,脱水成湿坯,再通过模塑机的上下模挤压再脱水成型坯,共脱水时间达30秒,最后置于热压定型机内在130~150度的温度下干燥成型。
实施例3
本实施例的一种高光洁度防水纸浆模塑产品的制备工艺,包括以下步骤:
S1.将原竹在沸水中蒸煮1.5小时后进行碎解、研磨得到竹纤维,选取200~400目的竹纤维,并加入竹纤维重量2.5倍的水搅拌成竹纤维浆料;
S2.将上述制得竹纤维浆料取60份,添加以粘合剂34份,防水剂0.6份,防油剂0.2份,阴离子型乳化剂0.6份,钛白粉0.7份顺序置于碎解罐中以500~600转/分钟的转速混合8~15分钟直至混合均匀;
其中,本实施例选择粘合剂是以水、羧甲基纤维素、淀粉按1:1.2:1.8的重量份混合制得;防水剂选择甲基硅酸钠,防油剂为丙烯酸酯类高分子聚合物,阴离子型乳化剂二羟甲基丁酸;
S3.将模塑机的一部分伸入至上述形成的竹纤维混合体悬浮液中,真空吸模,其真空负压为0.04~0.07Mpa,脱水成湿坯,再通过模塑机的上下模挤压再脱水成型坯,共脱水时间达30秒,最后置于热压定型机内在130~150度的温度下干燥成型。
实施例4
本实施例的一种高光洁度防水纸浆模塑产品的制备工艺,包括以下步骤:
S1.将原竹在沸水中蒸煮2小时后进行碎解、研磨得到竹纤维,选取200~400目的竹纤维,并加入竹纤维重量3倍的水搅拌成竹纤维浆料;
S2.将上述制得竹纤维浆料取72份,添加以粘合剂35份,防水剂0.7份,防油剂0.1份,阴离子型乳化剂0.6份,颜料助剂(如调蓝剂或调紫剂)0.05份,固色剂0.8份混合均匀;
其中,本实施例选择粘合剂是以水、羧甲基纤维素、淀粉按1:1.2:1.8的重量份混合制得;防水剂选择甲基硅酸钠,阴离子型乳化剂二羟甲基丁酸;防油剂为丙烯酸酯类高分子聚合物,固色剂为季铵盐无醛固色剂;
S3.将模塑机的一部分伸入至上述形成的竹纤维混合体悬浮液中,真空吸模,其真空负压为0.04~0.07Mpa,脱水成湿坯,再通过模塑机的上下模挤压再脱水成型坯,共脱水时间达30秒,最后置于热压定型机内在130~150度的温度下干燥成型。
实施例5
本实施例的一种高光洁度防水纸浆模塑产品的制备工艺,包括以下步骤:
S1.将原竹在沸水中蒸煮2小时后在碎解罐内以900rpm~1200rpm的速度碎解10分钟,后用机械研磨得到竹纤维,选取200~400目的竹纤维,并加入竹纤维重量3倍的水搅拌成竹纤维浆料;
S2.将上述制得竹纤维浆料取55份,添加以粘合剂28份,防水剂0.6份,阴离子型乳化剂0.6份,颜料助剂0.3份,固色剂1.2份顺序置于碎解罐中以500~600转/分钟的转速混合8~15分钟直至混合均匀;
其中,本实施例选择粘合剂是以水、羧甲基纤维素、淀粉按1:1.2:1.8的重量份混合制得;防水剂选择甲基硅酸钠,阴离子型乳化剂二羟甲基丁酸;防油剂为丙烯酸酯类高分子聚合物,固色剂为季铵盐无醛固色剂;
S3.将模塑机的一部分伸入至上述形成的竹纤维混合体悬浮液中,真空吸模,其真空负压为0.04~0.07Mpa,脱水成湿坯,再通过模塑机的上下模挤压再脱水成型坯,共脱水时间达30秒,最后置于热压定型机内在130~150度的温度下干燥成型。
实施例6
本实施例的一种高光洁度防水纸浆模塑产品的制备工艺,包括以下步骤:
S1.将原竹在沸水中蒸煮1.5小时后在碎解罐内以900rpm~1200rpm的速度碎解8分钟,后用机械研磨得到竹纤维,选取200~400目的竹纤维,并加入竹纤维重量2.5倍的水搅拌成竹纤维浆料;
S2.将上述制得竹纤维浆料取55份,添加以粘合剂28份,防水剂0.7份,阴离子型乳化剂0.7份,钛白粉0.8份顺序置于碎解罐中以500~600转/分钟的转速混合8~15分钟直至混合均匀;
其中,本实施例选择粘合剂是以水、羧甲基纤维素、淀粉按1:1:1.6的重量份混合制得;防水剂选择甲基硅酸钠,阴离子型乳化剂二羟甲基丁酸;
S3.将模塑机的一部分伸入至上述形成的竹纤维混合体悬浮液中,真空吸模,其真空负压为0.04~0.07Mpa,脱水成湿坯,再通过模塑机的上下模挤压再脱水成型坯,共脱水时间达30秒,最后置于热压定型机内在130~150度的温度下干燥成型。
实施例7
本实施例的一种高光洁度防水纸浆模塑产品的制备工艺,包括以下步骤:
S1.将原竹在沸水中蒸煮1.5小时后在碎解罐内以900rpm~1200rpm的速度碎解8分钟,后用机械研磨得到竹纤维,选取200~400目的竹纤维,并加入竹纤维重量2.5倍的水搅拌成竹纤维浆料;
S2.将上述制得竹纤维浆料取55份,添加以粘合剂28份,防水剂0.7份,阴离子型乳化剂0.7份,钛白粉0.8份顺序置于碎解罐中以500~600转/分钟的转速混合8~15分钟直至混合均匀;
其中,本实施例选择粘合剂是以水、羧甲基纤维素、淀粉按1:1:1.6的重量份混合制得;防水剂选择甲基硅酸钠,阴离子型乳化剂二羟甲基丁酸;
S3.将模塑机的一部分伸入至上述形成的竹纤维混合体悬浮液中,真空吸模,其真空负压为0.04~0.07Mpa,脱水成湿坯,再通过模塑机的上下模挤压再脱水成型坯,共脱水时间达30秒,最后置于热压定型机内在130~150度的温度下干燥成型;
S4.在纸浆模塑成型后,在其表面进行雾化UV光油喷涂。
对比例1
本实施例的一种纸浆模塑制品的制备方法,包括以下步骤:
S1.将甘蔗渣在沸水中蒸煮1.5小时后在碎解罐内以900rpm~1200rpm的速度碎解8分钟,并加入其重量2.5倍的水搅拌成纤维浆料;
S2.将上述制得纤维浆料取55份,添加以粘合剂28份,防水剂0.7份,钛白粉0.8份在碎解罐内继续以500rpm~600rpm混合均匀,时间9分钟;
其中,本实施例选择粘合剂是以水、羧甲基纤维素、淀粉按1:1:1.6的重量份混合制得;防水剂选择甲基硅酸钠;
S3.将模塑机的一部分伸入至上述形成的混合体悬浮液中,真空吸模,其真空负压为0.04~0.07Mpa,脱水成湿坯,再通过模塑机的上下模挤压再脱水成型坯,共脱水时间达30秒,最后置于热压定型机内在130~150度的温度下干燥成型。
对比例2
本实施例的一种纸浆模塑制品的制备方法,包括以下步骤:
S1.将甘蔗渣和稻杆在沸水中蒸煮1.5小时后在碎解罐内以900rpm~1200rpm的速度碎解8分钟,加入其重量2.5倍的水搅拌成纤维浆料;
S2.将上述制得纤维浆料取55份,添加以粘合剂28份,防水剂0.7份,防油剂0.1份,钛白粉0.8份在碎解罐内继续以500rpm~600rpm混合均匀,时间9分钟;
其中,本实施例选择粘合剂是以水、羧甲基纤维素、淀粉按1:1:1.6的重量份混合制得;防水剂选择丙烯酸酯共聚物;防油剂为丙烯酸酯类高分子聚合物;
S3.将模塑机的一部分伸入至上述形成的混合体悬浮液中,真空吸模,其真空负压为0.04~0.07Mpa,脱水成湿坯,再通过模塑机的上下模挤压再脱水成型坯,共脱水时间达30秒,最后置于热压定型机内在130~150度的温度下干燥成型。
对比例3
本实施例的一种纸浆模塑制品的制备方法,包括以下步骤:
S1.将甘蔗渣和稻杆在沸水中蒸煮1.5小时后在碎解罐内以900rpm~1200rpm的速度碎解8分钟,加入其重量3倍的水搅拌成纤维浆料;
S2.将上述制得纤维浆料取75份,添加以粘合剂30份,防水剂0.8份,防油剂0.2份,钛白粉0.5份在碎解罐内继续以500rpm~600rpm混合均匀,时间9分钟;
其中,本实施例选择粘合剂是以水、羧甲基纤维素、淀粉按1:1:1的重量份混合制得;防水剂选择丙烯酸酯共聚物;防油剂为丙烯酸酯类高分子聚合物;
S3.将模塑机的一部分伸入至上述形成的混合体悬浮液中,真空吸模,其真空负压为0.04~0.07Mpa,脱水成湿坯,再通过模塑机的上下模挤压再脱水成型坯,共脱水时间达30秒,最后置于热压定型机内在130~150度的温度下干燥成型。
试验例
性能测试
1.外观:实施例1-实施例7:色泽正常,无异味,表面平整,无油污尘土或其它异物,质地均匀,无破裂,无孔眼;对比例1-对比例3:色泽正常,少有异味,表面平整,无油污尘土或其它异物,质地均匀,无破裂,无孔眼;
2.光泽度,光学平滑度的量度,使用光泽试题仪来测量,选用45°测定法(以1个光泽度为1个单位);耐水性,在室温下,48小时水雾喷淋;变形量,在受压830N的压力下测量。
试验数据如下表所示:
从上述数据可以看出,实施例1至实施例7的光泽度均表现良好,均在300以上,对比例使用的原料纤维有差别,在光泽度上较实施例差一些,耐水性和变形量上效果均较好。
3.降解度相关测试指标
利用土埋法和自然气候曝露法进行试验研究,每个实施例或对照例做20-30个重复,之后选择其结晶度、抗张强度、失重率这三个指标时行测量,3.1结晶度的测量:根据X—射线的转动晶体法,用日本Rigaku D/max-1200X—射线衍射仪测定结晶度,
测定条件为:Cu靶,Kα射线,单色滤波,40kV,300mA,步径扫描,3秒/步,步宽为0.10°,扫描范围20.6~40°。计算公式如下:结晶度CrI(%)=[FK/(FK+FA)]×100
其中:FK为结晶区面积(m2);FA为无定形区面积(m2)
试验数据如下表所示:
从上述数据可以看出,前4周纤维素结晶度的变化较大,下降了30%左右,之后6至12周,其变化变得相对缓慢,但相对于对比例,结晶度的变化在整个12周内的变化都相对较小,纤维素长链断裂较难,使得其结晶区的结构较为紧密。
3.2抗张强度用ALWETRON THI型抗张强度测定仪测定,单位为kN·m-1
4周后 | 6周后 | 8周后 | 12周后 | |
实施例1 | 11.3 | 10.8 | 10.1 | 6.2 |
实施例2 | 12.3 | 10.6 | 10.0 | 6.3 |
实施例3 | 12.0 | 11.6 | 10.5 | 7.1 |
实施例4 | 12.5 | 10.8 | 9.6 | 7.0 |
实施例5 | 11.3 | 10.4 | 9.5 | 6.3 |
实施例6 | 11.2 | 10.8 | 9.9 | 7.0 |
实施例7 | 14.1 | 11.7 | 8.9 | 7.1 |
对比例1 | 17.6 | 15.3 | 14.1 | 14.0 |
对比例2 | 20.1 | 17.9 | 17.5 | 17.0 |
对比例3 | 18.9 | 15.7 | 14.6 | 13.9 |
从上述数据可以看出,防水剂用量的增加,抗张强度也随之有所增加,随着时间的推移,实施例的抗张强度明显下降,对比例的试验效果有所下降,但不明显,没有形成下降趋势。
3.3失重率的测定
将试样放在干燥器里平衡两天,称重,计算失重率。
失重率(WL)/%=(W0-W1)/W0×100
其中:W0为试样初始质量(g);W1为试样经光降解处理后的质量(g)。
4周后 | 6周后 | 8周后 | 12周后 | |
实施例1 | 92.3% | 80.6% | 75.3% | 61.1% |
实施例2 | 90.2% | 88.5% | 77.9% | 55.5% |
实施例3 | 92.8% | 89.7% | 70.1% | 56.2% |
实施例4 | 95.6% | 88.6% | 69.7% | 61.2% |
实施例5 | 86.3% | 80.6% | 75.4% | 60.1% |
实施例6 | 91.7% | 85.4% | 75.3% | 63.1% |
实施例7 | 92.3% | 85.4% | 79.0% | 73.9% |
对比例1 | 95.3% | 93.1% | 85.3% | 87.1% |
对比例2 | 92.9% | 89.6% | 80.3% | 86.1% |
对比例3 | 90.3% | 87.0% | 82.3% | 84.4% |
从失水率的数据可以和之前的数据结合来看,随着结晶度和抗张强度的变化,其试样内部的纤维结构开始发生变化,因此,随着时间的推移,实施例1至实施例6的试样的质量也开始明显下降,实施例7由于外层喷涂了UV膜,因此,一定程度上使得整个降解变得较为缓慢,但是可以看出,仍比对比例有明显下降。
需要说明的是,原料浆除了本发明使用的竹纤维外,也适应于其它木本植物,草本植物及废旧纸张。
显然,上述实施例仅仅是为清楚地说明所作的举例,而并非对实施方式的限定。对于所属领域的普通技术人员来说,在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。而由此所引伸出的显而易见的变化或变动仍处于本发明创造的保护范围之中。
Claims (10)
1.一种高光洁度防水纸浆模塑产品的制备工艺,其特征在于,包括以下步骤:
(1)竹纤维浆料的制备,将原竹在沸水中蒸煮1~2小时后进行碎解、研磨得到竹纤维,选取200~400目的竹纤维并加入竹纤维重量2~3倍的水搅拌成浆料;
(2)竹纤维混合体的制备,包括选取如下重量份的原料搅拌形成纸浆悬浮液:
(3)纸浆模塑成型,将所述纸浆悬浮液送入模塑机脱水并热压成型。
2.根据权利要求1所述的高光洁度防水纸浆模塑产品的制备工艺,其特征在于,步骤(2)中,包括选取如下重量份的原料搅拌形成纸浆悬浮液:
3.根据权利要求1所述的高光洁度防水纸浆模塑产品的制备工艺,其特征在于,在所述纸浆模塑成型后,还包括在其表面进行雾化UV光油喷涂的步骤。
4.根据权利要求1或2所述的高光洁度防水纸浆模塑产品的制备工艺,其特征在于,在所述竹纤维混合体的制备时,还包括加入其它颜料助剂并固色的步骤,固色剂为0.8~1.2重量份的季铵盐无醛固色剂。
5.根据权利要求3所述的高光洁度防水纸浆模塑产品的制备工艺,其特征在于,所述防水剂为阳离子中性施胶剂。
6.根据权利要求1所述的高光洁度防水纸浆模塑产品的制备工艺,其特征在于,阴离子型乳化剂为二羟甲基丙酸和/或二羟甲基丁酸。
7.根据权利要求1所述的高光洁度防水纸浆模塑产品的制备工艺,其特征在于,所述粘合剂是将水、羧甲基纤维素、淀粉按1:1~2:1~2的重量份混合制得。
8.根据权利要求1所述的高光洁度防水纸浆模塑产品的制备工艺,其特征在于,步骤(1)和(2)中搅拌转速为900rpm~1200rpm,搅拌时间为15min~20min。
9.根据权利要求1所述的高光洁度防水纸浆模塑产品的制备工艺,其特征在于,步骤(3)将纸浆输送至真空吸模成型机,脱水、并挤压再脱水成型坯,再通过热压干燥制得纸浆模塑;脱水时间为30~60秒,湿坯在100摄氏度下烘干40~60分钟。
10.根据权利要求1~9任一所述的高光洁度防水纸浆模塑产品的制备工艺制备的纸浆模塑制品,其特征在于,包括由竹纤维、粘合剂、防水剂和/或防油剂、阴离子型乳化剂和钛白粉制成。
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