CN105714597A - 机油滤纸及其制备方法 - Google Patents

机油滤纸及其制备方法 Download PDF

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CN105714597A
CN105714597A CN201610104244.3A CN201610104244A CN105714597A CN 105714597 A CN105714597 A CN 105714597A CN 201610104244 A CN201610104244 A CN 201610104244A CN 105714597 A CN105714597 A CN 105714597A
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oil filter
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吴安波
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Hangzhou Special Paper Industry Co Ltd
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Abstract

本发明公开了一种机油滤纸,包括原纸和浸胶液,所述的原纸包括竹纤维、石膏纤维、芳纶纤维、水溶性聚乙烯醇纤维、聚芳噁二唑纤维、玻璃纤维、纤维状粘结剂、分散剂、消泡剂、防水剂;所述的浸胶液包括水溶性酚醛树脂、三聚氰胺甲醛树脂、聚醋酸乙烯酯乳液、抗油剂、碱性物质;该机油滤纸具有过滤效率高、过滤精度好、容尘量高,使用寿命长;质量稳定性好,能耐高温、高压、大流量和承载能力强的特性。

Description

机油滤纸及其制备方法
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
机油系统中的油液具有传递功率、减少元件间的摩擦、悬浮污染物、控制元件表面的氧化及冷却等多种功效,如果当系统内部由于元件的磨损产生的颗粒及油液的老化产生的胶状油泥会腐蚀金属而导致油液被污染后,将会破坏其原有功效,这些污染物对系统的工作可靠性和元件的寿命有直接的影响,导致系统运行中的各种故障,为了保证系统的正常工作,必须采取有效的净化措施清除油液中的各种污染物,以提高或保持油液必需的清洁度。其中最有效而又最可靠的净化方法是过滤,因纸质滤芯与其他滤清器比较,不但成本低、滤清效率高,而且体积小、重量轻、使用简单。
现有的机油滤纸存在以下缺点:过滤效率低、过滤精度差、容尘量低,使用寿命短;耐温、耐水、耐油的性能差,导致使用寿命短;质量波动大、稳定性差。随着科技的进步,机油系统将向着高温、高压、大流量方向发展,机油件的精度越来越高,零件之间配合的间隙越来越小,这势必对机油滤纸提出了更高的要求。
发明内容
针对现有技术的不足,本发明提供一种机油滤纸,其具有过滤效率高、过滤精度好、容尘量高,使用寿命长;质量稳定性好,能耐高温、高压、大流量和承载能力强的特性;本发明还提供了该固化机油滤纸的制备方法。
为实现发明目的,本发明采用以下技术方案:
一种机油滤纸,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:
石膏纤维是硫酸钙的纤维状单晶体,具有高强度,高模量、高介电强度、耐磨耗、耐高温,耐腐蚀、红外线反射性良好、易于表面处理、与高分子聚合物的亲和力强等诸多优良的理化性能;芳纶纤维是一种新型高科技合成纤维,具有超高强度、高模量和耐高温、耐酸耐碱、重量轻、绝缘、抗老化、生命周期长等优良性能。
作为优选,所述的竹纤维为纳米竹纤维,纤维粒径为80~100nm。
作为优选,所述的玻璃纤维为纳米玻璃纤维,纤维粒径控制在100nm以下;玻璃纤维,因经不起打浆,玻璃纤维之间又缺乏粘结和,抄成的纸页很脆弱,但是如果把玻璃丝直径控制在100纳米以下,那么就可以解决玻璃丝的伸缩小、柔软性差而造成的成纸难的现象,有利于纤维的互相交织成形。
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。
本发明还涉及所述的机油滤纸的制备方法,采取如下的技术方案:
一种机油滤纸的制备方法,包括如下步骤:
a将配方量的竹纤维和纤维状粘结剂用打浆机打浆,再经过双盘磨浆机在线打磨得到浆料,打浆浓度为1.98~2.67%;
b将配方量的玻璃纤维、石膏纤维、芳纶纤维、水溶性聚乙烯醇纤维和聚芳噁二唑纤维加入到步骤a)所得的浆料中形成纸浆浆料;
c将配方量的消泡剂,分散剂,防水剂加入到步骤b的纸浆浆料中,搅拌均匀,得到成浆,浆料浓度为1.58~1.98%;
d将步骤c得到的成浆按常规条件上网抄造及压榨得到原纸;
e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、抗油剂和碱性物质放入反应釜中于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;
f将步骤d得到原纸浸渍在步骤e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%;
g浸胶后纸样在150℃~160℃循环热风中固化。
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
一种机油滤纸,包括原纸和浸胶液,所述的原纸包括竹纤维、石膏纤维、芳纶纤维、水溶性聚乙烯醇纤维、聚芳噁二唑纤维、玻璃纤维、纤维状粘结剂、分散剂、消泡剂、防水剂;所述的浸胶液包括水溶性酚醛树脂、三聚氰胺甲醛树脂、聚醋酸乙烯酯乳液、抗油剂、碱性物质;所述的竹纤维为纳米竹纤维,纤维粒径为80~100nm;所述的玻璃纤维为纳米玻璃纤维,纤维粒径控制在100nm以下;所述的纤维状粘结剂为水溶性PVA纤维;所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、也可以用氨水、氢氧化钙、氢氧化镁、六亚甲基四胺、碳酸钠、叔胺代替。
如上所述的机油滤纸的制备方法,包括如下步骤:
a将10kg竹纤维和10kg纤维状粘结剂用打浆机打浆,再经过双盘磨浆机在线打磨得到浆料,打浆浓度为2.67%;
b将10kg玻璃纤维、30kg石膏纤维、60kg芳纶纤维、10kg水溶性聚乙烯醇纤维和10kg聚芳噁二唑纤维加入到步骤a)所得的浆料中形成纸浆浆料;
c将0.5kg消泡剂,2kg分散剂,0.2kg防水剂加入到步骤b的纸浆浆料中,搅拌均匀,得到成浆,浆料浓度为1.98%;
d将步骤c得到的成浆按常规条件上网抄造及压榨得到原纸;
e配置浸胶液,将30kg水溶性酚醛树脂、30kg三聚氰胺甲醛树脂、10kg聚醋酸乙烯酯乳液、2kg抗油剂和2kg碱性物质放入反应釜中于60~80℃的温度下进行充分的搅拌,搅拌时间为6hr,然后冷却至室温,用50~100目纱布过滤得到浸渍剂;
f将步骤d得到原纸浸渍在步骤e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%;
g浸胶后纸样在150℃~160℃循环热风中固化。
实施例2
一种机油滤纸,包括原纸和浸胶液,所述的原纸包括竹纤维、石膏纤维、芳纶纤维、水溶性聚乙烯醇纤维、聚芳噁二唑纤维、玻璃纤维、纤维状粘结剂、分散剂、消泡剂、防水剂;所述的浸胶液包括水溶性酚醛树脂、三聚氰胺甲醛树脂、聚醋酸乙烯酯乳液、抗油剂、碱性物质;所述的竹纤维为纳米竹纤维,纤维粒径为80~100nm;所述的玻璃纤维为纳米玻璃纤维,纤维粒径控制在100nm以下;所述的纤维状粘结剂为维荣纤维;所述的分散剂包括阴离子聚氧乙烯;所述的原纸中的防水剂为防水浆;所述的碱性物质氢氧化钙,也可以用氢氧化镁、六亚甲基四胺、碳酸钠、叔胺代替。
如上所述的机油滤纸的制备方法,包括如下步骤:
a将30kg竹纤维和10kg纤维状粘结剂用打浆机打浆,再经过双盘磨浆机在线打磨得到浆料,打浆浓度为1.98%;
b将30kg玻璃纤维、50kg石膏纤维、40kg芳纶纤维、20kg水溶性聚乙烯醇纤维和30kg聚芳噁二唑纤维加入到步骤a)所得的浆料中形成纸浆浆料;
c将配方量5kg消泡剂,5kg分散剂,1.5kg防水剂加入到步骤b的纸浆浆料中,搅拌均匀,得到成浆,浆料浓度为1.58%;
d将步骤c得到的成浆按常规条件上网抄造及压榨得到原纸;
e配置浸胶液,将50kg水溶性酚醛树脂、40kg三聚氰胺甲醛树脂、18kg聚醋酸乙烯酯乳液、4kg抗油剂和5kg碱性物质放入反应釜中于80℃的温度下进行充分的搅拌,搅拌时间为2hr,然后冷却至室温,用50~100目纱布过滤得到浸渍剂;
f将步骤d得到原纸浸渍在步骤e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%;
g浸胶后纸样在150℃~160℃循环热风中固化。
实施例3
一种机油滤纸,包括原纸和浸胶液,所述的原纸包括竹纤维、石膏纤维、芳纶纤维、水溶性聚乙烯醇纤维、聚芳噁二唑纤维、玻璃纤维、纤维状粘结剂、分散剂、消泡剂、防水剂;所述的浸胶液包括水溶性酚醛树脂、三聚氰胺甲醛树脂、聚醋酸乙烯酯乳液、抗油剂、碱性物质;所述的竹纤维为纳米竹纤维,纤维粒径为80~100nm;所述的玻璃纤维为纳米玻璃纤维,纤维粒径控制在100nm以下;所述的纤维状粘结剂为低熔点聚酯;所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脲醛树脂;所述的碱性物质为叔胺。
如上所述的机油滤纸的制备方法,包括如下步骤:
a将20kg竹纤维和15kg纤维状粘结剂用打浆机打浆,再经过双盘磨浆机在线打磨得到浆料,打浆浓度为2.37%;
b将20kg玻璃纤维、40kg石膏纤维、30kg芳纶纤维、20kg水溶性聚乙烯醇纤维和15kg聚芳噁二唑纤维加入到步骤a)所得的浆料中形成纸浆浆料;
c将2kg消泡剂,3kg分散剂,1kg防水剂加入到步骤b的纸浆浆料中,搅拌均匀,得到成浆,浆料浓度为2.08%;
d将步骤c得到的成浆按常规条件上网抄造及压榨得到原纸;
e配置浸胶液,将40kg水溶性酚醛树脂、35kg三聚氰胺甲醛树脂、15kg聚醋酸乙烯酯乳液、3kg抗油剂和2kg碱性物质放入反应釜中于70℃的温度下进行充分的搅拌,搅拌时间为4hr,然后冷却至室温,用50~100目纱布过滤得到浸渍剂;
f将步骤d得到原纸浸渍在步骤e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%;
g浸胶后纸样在150℃~160℃循环热风中固化。

Claims (9)

1.一种机油滤纸,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:
2.根据权利要求1所述的一种机油滤纸,其特征在于所述的竹纤维为纳米竹纤维,纤维粒径为80~100nm。
3.根据权利要求1所述的一种机油滤纸,其特征在于所述的玻璃纤维为纳米玻璃纤维,纤维粒径控制在100nm以下。
4.根据权利要求1所述的一种机油滤纸,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。
5.根据权利要求1所述的一种机油滤纸,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。
6.根据权利要求1所述的一种机油滤纸,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。
7.根据权利要求1所述的一种机油滤纸,其特征在于所述的浸胶液,按重量份数计,包括以下组分:
8.根据权利要求7所述的一种机油滤纸,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。
9.如权利要求1至8任一所述的一种机油滤纸的制备方法,其特征在于包括如下步骤:
a将配方量的竹纤维和纤维状粘结剂用打浆机打浆,再经过双盘磨浆机在线打磨得到浆料,打浆浓度为1.98~2.67%;
b将配方量的玻璃纤维、石膏纤维、芳纶纤维、水溶性聚乙烯醇纤维和聚芳噁二唑纤维加入到步骤a)所得的浆料中形成纸浆浆料;
c将配方量的消泡剂,分散剂,防水剂加入到步骤b的纸浆浆料中,搅拌均匀,得到成浆,浆料浓度为1.58~1.98%;
d将步骤c得到的成浆按常规条件上网抄造及压榨得到原纸;
e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、抗油剂和碱性物质放入反应釜中于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;
f将步骤d得到原纸浸渍在步骤e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%;
g浸胶后纸样在150℃~160℃循环热风中固化。
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