CN105937193A - 纳米机空滤纸及其制备方法 - Google Patents
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Abstract
本发明提供了一种纳米机油滤纸滤油纸,包括原纸和浸胶液,所述的原纸,包括竹浆、龙须草浆、针叶木浆、芳纶纤维、碳纤维、聚芳噁二唑纤维、玻璃纤维、纤维状粘结剂、木质素、纳米纤维素晶体、分散剂、消泡剂和防水剂;本发明将各种浆料通过超高压微射流纳米分散机得到纤维素纳米纤维,该纤维素纳米纤维具有比铁更硬更轻的特性,用于滤纸行业可以实现纸页轻量化。
Description
技术领域
本发明涉及滤纸技术领域,具体涉及一种机油滤纸及其制备方法。
背景技术
机空滤纸是一种在机油滤清器和空气滤清器中通用滤纸。现阶段的机空滤纸普遍存在容尘量低、耐水性差、耐候性差等缺点,而且,由于木浆原料比较单一,制得的机空滤纸过滤性能差、寿命短同时纸页较为厚重。
发明内容
针对现有技术的不足,本发明提供一种纳米机空滤纸,其具有容尘量高,耐水性好,使用寿命长同时提供的滤纸具有轻量化的特征;本发明还提供了该滤油纸的制备方法。
为实现发明目的,本发明采用以下技术方案:
一种纳米机空滤纸,包括原纸和浸胶液,所述的原纸,按重量份数计,包括以下组分:
所述的浸胶液,按重量份数计,包括以下组分:
作为优选,所述的纤维状粘结剂为包括水溶性PVA纤维、维荣纤维、低熔点聚酯中的一种或两种以上混合物。
作为优选,所述的分散剂包括阴离子聚丙烯酰胺或聚氧乙烯。
作为优选,所述的原纸中的防水剂选自三聚氰胺类树脂、防水浆或脲醛树脂的一种或多种。
作为优选,所述的碱性物质为氢氧化钠、氨水、氢氧化钙、氢氧化镁、六亚甲基四胺、碳酸钠或叔胺。
作为优选,所述的纳米机空滤纸的定量为100±10g/㎡,厚度为0.60±0.05mm。
本发明还涉及该纳米机空滤纸的制备方法,采取如下的技术:
一种纳米机空滤纸的制备方法,包括如下步骤:
1)按配料量将竹浆、龙须草浆、针叶木浆、芳纶纤维、碳纤维、聚芳噁二唑纤维和玻璃纤维加水进行混合在超高压微射流纳米分散机的作用下进行剥离、撕裂成直径为15—100nm之间,长度在200nm~20微米的纤维素纳米纤维浆料,所述的浆料中含纤维素纳米纤维的重量百分比为10~30%;
2)将配料量的纳米纤维素晶体分散在水中得到稳定的纳米纤维素晶体胶体,其中该纳米纤维素晶体胶体的纳米纤维素晶体的质量分数为3~8%;
3)将步骤1所得的纤维素纳米纤维浆料、步骤2得到的纳米纤维素晶体胶体、纤维状粘结剂、木质素、分散剂、消泡剂和防水剂再于打浆机中进行打浆得到成浆,成浆的打浆浓度为3.5-4.5%,打浆度30-50°SR,湿重6-8G的成浆;
4)将步骤3)得到的成浆按常规条件上网抄造及压榨得到原纸;
5)配置浸胶液,将配方量的水溶性酚醛树脂、三聚氰胺甲醛树脂、聚醋酸乙烯酯乳液、抗油剂、碱性物质和磷类抗氧化剂放入反应釜中于60~80℃的温度下进行充分的搅拌,搅拌时间为2~6hr,然后冷却至室温,用50~100目纱布过滤得到浸渍剂;
6)将步骤4)得到原纸浸渍在步骤5)中的浸胶液中,采用凹版网纹面的辊式涂布方式进行浸渍,控制上胶量为20%±0.5%;
7)浸胶后纸样在150℃~160℃循环热风中固化。
本发明将各种浆料通过超高压微射流纳米分散机得到纤维素纳米纤维,该纤维素纳米纤维具有比铁更硬更轻的特性,用于滤纸行业可以实现纸页轻量化。
竹浆为中等纤维长度的纸浆,细而柔软。浆张松厚度、撕裂度高,耐破强度和抗张强度较低,有较高的机械强度;龙须草浆洁净强韧,纤维细长,有优越的交织力,成纸较细腻平滑,机械强度良好;纳米纤维素晶体(nano-crystalline cellulose,NCC),其粒径一般在30~100nm之间,比表面积很大,可以长期稳定地分散在溶剂体系形成准交替分散体系,在水中分散形成稳定的NCC胶体,纳米纤维素质轻、力学性能优异、透光性,其生物降解性和可再生性也是其他增强材料无法相比的,NCC在制浆造纸中作为增强、助留、助滤剂有很好的发展前景。
具体实施方式
下面通过实施例进一步描述本发明,但本发明不仅仅局限于以下实施例。
实施例1
一种纳米机空滤纸,包括原纸和浸胶液,所述的原纸,按重量份数计,包括竹浆10份,龙须草浆40份,针叶木浆30份,芳纶纤维30份,碳纤维10份,聚芳噁二唑纤维10份,玻璃纤维30份,纤维状粘结剂20份,木质素0.2份,纳米纤维素晶体5份,分散剂0.1份,消泡剂0.1份,防水剂0.2份;所述的浸胶液,按重量份数计,包括水溶性酚醛树脂30份,三聚氰胺甲醛树脂50份,聚醋酸乙烯酯乳液20份,抗油剂0.2份,碱性物质5份,磷类抗氧化剂3份;
所述的纤维状粘结剂为水溶性PVA纤维;述的分散剂包括阴离子聚丙烯酰胺;所述的原纸中的防水剂为三聚氰胺类树脂;所述的碱性物质为氢氧化钠。
上述的纳米机空滤纸的制备方法,包括如下步骤:
1)按配料量将竹浆、龙须草浆、针叶木浆、芳纶纤维、碳纤维、聚芳噁二唑纤维和玻璃纤维加水进行混合在超高压微射流纳米分散机的作用下进行剥离、撕裂成直径为15—100nm之间,长度在200nm~20微米的纤维素纳米纤维浆料,所述的浆料中含纤维素纳米纤维的重量百分比为15%;
2)将配料量的纳米纤维素晶体分散在水中得到稳定的纳米纤维素晶体胶体,其中该纳米纤维素晶体胶体的纳米纤维素晶体的质量分数为3%;
3)将步骤1)所得的纤维素纳米纤维浆料、步骤2)得到的纳米纤维素晶体胶体、纤维状粘结剂、木质素、分散剂、消泡剂和防水剂再于打浆机中进行打浆得到成浆,成浆的打浆浓度为3.5%,打浆度30SR,湿重6g的成浆;
4)将步骤3)得到的成浆按常规条件上网抄造及压榨得到原纸;
5)配置浸胶液,将配方量的水溶性酚醛树脂、三聚氰胺甲醛树脂、聚醋酸乙烯酯乳液、抗油剂、碱性物质和磷类抗氧化剂放入反应釜中于60~80℃的温度下进行充分的搅拌,搅拌时间为2~6hr,然后冷却至室温,用50~100目纱布过滤得到浸渍剂;
6)将步骤4)得到原纸浸渍在步骤5)中的浸胶液中,采用凹版网纹面的辊式涂布方式进行浸渍,控制上胶量为20%±0.5%;
7)浸胶后纸样在150℃~160℃循环热风中固化。
实施例2
一种纳米机空滤纸,包括原纸和浸胶液,所述的原纸,按重量份数计,包括竹浆30份,龙须草浆40份,针叶木浆60份,芳纶纤维30份,碳纤维30份,聚芳噁二唑纤维10份,玻璃纤维30份,纤维状粘结剂10份,木质素2.5份,纳米纤维素晶体4份,分散剂1.5份,消泡剂5份,防水剂~2份;所述的浸胶液,按重量份数计,包括水溶性酚醛树脂50份,三聚氰胺甲醛树脂50份,聚醋酸乙烯酯乳液15份,抗油剂5份,碱性物质2.5份,磷类抗氧化剂1.5份;
所述的纤维状粘结剂为维荣纤维;述的分散剂为聚氧乙烯;所述的原纸中的防水剂为防水浆;所述的碱性物质为氢氧化镁。
上述的纳米机空滤纸的制备方法,包括如下步骤:
1)按配料量将竹浆、龙须草浆、针叶木浆、芳纶纤维、碳纤维、聚芳噁二唑纤维和玻璃纤维加水进行混合在超高压微射流纳米分散机的作用下进行剥离、撕裂成直径为15~100nm之间,长度在200nm~20微米的纤维素纳米纤维浆料,所述的浆料中含纤维素纳米纤维的重量百分比为30%;
2)将配料量的纳米纤维素晶体分散在水中得到稳定的纳米纤维素晶体胶体,其中该纳米纤维素晶体胶体的纳米纤维素晶体的质量分数为8%;
3)将步骤1所得的纤维素纳米纤维浆料、步骤2得到的纳米纤维素晶体胶体、纤维状粘结剂、木质素、分散剂、消泡剂和防水剂再于打浆机中进行打浆得到成浆,成浆的打浆浓度为4.5%,打浆度50°SR,湿重8g的成浆;
4)将步骤3)得到的成浆按常规条件上网抄造及压榨得到原纸;
5)配置浸胶液,将配方量的水溶性酚醛树脂、三聚氰胺甲醛树脂、聚醋酸乙烯酯乳液、抗油剂、碱性物质和磷类抗氧化剂放入反应釜中于60~80℃的温度下进行充分的搅拌,搅拌时间为2~6hr,然后冷却至室温,用50~100目纱布过滤得到浸渍剂;
6)将步骤4)得到原纸浸渍在步骤5)中的浸胶液中,采用凹版网纹面的辊式涂布方式进行浸渍,控制上胶量为20%±0.5%;
7)浸胶后纸样在150℃~160℃循环热风中固化。
实施例3
一种纳米机空滤纸,包括原纸和浸胶液,所述的原纸,按重量份数计,包括竹浆20份,龙须草浆25份,针叶木浆40份,芳纶纤维55份,碳纤维25份,聚芳噁二唑纤维18份,玻璃纤维15份,纤维状粘结剂10份,木质素1.5份,纳米纤维素晶体3.5份,分散剂2.8份,消泡剂5份,防水剂1份;所述的浸胶液,按重量份数计,包括水溶性酚醛树脂45份,三聚氰胺甲醛树脂35份,聚醋酸乙烯酯乳液18份,抗油剂0.8份,碱性物质1.2份,磷类抗氧化剂2.2份;
所述的纤维状粘结剂为低熔点聚酯;分散剂为阴离子聚丙烯酰胺;所述的原纸中的防水剂为脲醛树脂;所述的碱性物质为叔胺。
上述的纳米机空滤纸的制备方法,包括如下步骤:
1)按配料量将竹浆、龙须草浆、针叶木浆、芳纶纤维、碳纤维、聚芳噁二唑纤维和玻璃纤维加水进行混合在超高压微射流纳米分散机的作用下进行剥离、撕裂成直径为15~100nm之间,长度在200nm~20微米的纤维素纳米纤维浆料,所述的浆料中含纤维素纳米纤维的重量百分比为15%;
2)将配料量的纳米纤维素晶体分散在水中得到稳定的纳米纤维素晶体胶体,其中该纳米纤维素晶体胶体的纳米纤维素晶体的质量分数为6%;
3)将步骤1所得的纤维素纳米纤维浆料、步骤2得到的纳米纤维素晶体胶体、纤维状粘结剂、木质素、分散剂、消泡剂和防水剂再于打浆机中进行打浆得到成浆,成浆的打浆浓度为3.9%,打浆度46°SR,湿重7g的成浆;
4)将步骤3)得到的成浆按常规条件上网抄造及压榨得到原纸;
5)配置浸胶液,将配方量的水溶性酚醛树脂、三聚氰胺甲醛树脂、聚醋酸乙烯酯乳液、抗油剂、碱性物质和磷类抗氧化剂放入反应釜中于60~80℃的温度下进行充分的搅拌,搅拌时间为2~6hr,然后冷却至室温,用50~100目纱布过滤得到浸渍剂;
6)将步骤4)得到原纸浸渍在步骤5)中的浸胶液中,采用凹版网纹面的辊式涂布方式进行浸渍,控制上胶量为20%±0.5%;
7)浸胶后纸样在150℃~160℃循环热风中固化。
上述实施例制得的纳米机空滤纸技术指标如下表所示:
Claims (7)
1.纳米机空滤纸,包括原纸和浸胶液,其特征在于所述的原纸,按重量份数计,包括以下组分:
所述的浸胶液,按重量份数计,包括以下组分:
2.根据权利要求1所述的纳米机空滤纸,其特征在于所述的纤维状粘结剂为包括水溶性PVA纤维、维荣纤维、低熔点聚酯中的一种或两种以上混合物。
3.根据权利要求1所述的纳米机空滤纸,其特征在于所述的分散剂包括阴离子聚丙烯酰胺或聚氧乙烯。
4.根据权利要求1所述的纳米机空滤纸,其特征在于所述的原纸中的防水剂选自三聚氰胺类树脂、防水浆或脲醛树脂的一种或多种。
5.根据权利要求1所述的纳米机空滤纸,其特征在于所述的碱性物质为氢氧化钠、氨水、氢氧化钙、氢氧化镁、六亚甲基四胺、碳酸钠或叔胺。
6.根据权利要求1所述的纳米机空滤纸,其特征在于所述的纳米机空滤纸的定量为100±10g/㎡,厚度为0.60±0.05mm。
7.如权利要求1至6任一所述的纳米机空滤纸的制备方法,其特征在于包括如下步骤:
1)按配料量将竹浆、龙须草浆、针叶木浆、芳纶纤维、碳纤维、聚芳噁二唑纤维和玻璃纤维加水进行混合在超高压微射流纳米分散机的作用下进行剥离、撕裂成直径为15~100nm之间,长度在200nm~20微米的纤维素纳米纤维浆料,所述的浆料中含纤维素纳米纤维的重量百分比为10~30%;
2)将配料量的纳米纤维素晶体分散在水中得到稳定的纳米纤维素晶体胶体,其中该纳米纤维素晶体胶体的纳米纤维素晶体的质量分数为3~8%;
3)将步骤1)所得的纤维素纳米纤维浆料、步骤2)得到的纳米纤维素晶体胶体、纤维状粘结剂、木质素、分散剂、消泡剂和防水剂再于打浆机中进行打浆得到成浆,成浆的打浆浓度为3.5-4.5%,打浆度30-50°SR,湿重6-8G的成浆;
4)将步骤3)得到的成浆按常规条件上网抄造及压榨得到原纸;
5)配置浸胶液,将配方量的水溶性酚醛树脂、三聚氰胺甲醛树脂、聚醋酸乙烯酯乳液、抗油剂、碱性物质和磷类抗氧化剂放入反应釜中于60~80℃的温度下进行充分的搅拌,搅拌时间为2~6hr,然后冷却至室温,用50~100目纱布过滤得到浸渍剂;
6)将步骤4)得到原纸浸渍在步骤5)中的浸胶液中,采用凹版网纹面的辊式涂布方式进行浸渍,控制上胶量为20%±0.5%;
7)浸胶后纸样在150℃~160℃循环热风中固化。
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