CN110878488A - 一种新型皮革离型纸 - Google Patents
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Abstract
一种新型皮革离型纸,离型纸的原料配方如下:针叶木浆纤维80份,阔叶木浆纤维30份,氧化铝粉末10份,聚丙烯酰胺5份,碳酸钙粉末5份,硅藻土5份,聚氨酯树脂15份,聚乳酸5份,分散剂3份,结合剂3份,稳定剂3份,聚乙烯醇5份,离型剂15份;其制备方法包括如下步骤:按照重量份称取原料;将份称取后的针叶木浆、阔叶木浆、氧化铝粉末、聚丙烯酰胺、碳酸钙粉末、硅藻土疏解,并将疏解好的浆料抄片、压榨及干燥;将聚氨酯树脂、聚乳酸用搅拌机充分搅匀,加入分散剂、结合剂、稳定剂,搅拌加热得到淋膜料;将淋膜料通过淋膜机模头共挤;用聚乙烯醇对淋膜纸进行表面施胶,之后涂布离型剂;涂布完成后进行干燥,得到成品。
Description
技术领域
本发明涉及离型纸技术领域,具体涉及一种新型皮革离型纸。
背景技术
离型纸又称隔离纸、防粘纸、硅油纸。是一种防止预浸料粘连,又可以保护预浸料不受污染的防粘纸。皮革离型纸是一种特殊的防粘纸,其涂层一般具有凹凸状的花纹结构,它在人造革与合成革工业中被大量使用,作为人造革与合成革生产中的载体,人造皮革离型纸能把压印在其上的花纹复制到人造革与合成革上。
目前人造革和合成革的产量已经达到73亿㎡,其中45亿㎡都需要用到皮革离型纸,皮革离型纸的需求量十分巨大。但现有的皮革离型纸技术制备得到的产品存在强度有限,可重复使用次数有限等一系列问题,因此亟需更好的技术和产品来进行取代。
发明内容
本发明要解决的技术问题在于,针对现有技术的上述缺陷,提供一种制备工艺简单,易于操作,更适于工业化生产的新型皮革离型纸及其制备方法。
本发明的目的是通过如下技术方案来完成的,一种新型皮革离型纸,其原料按重量的配方如下:针叶木浆纤维80-100份,阔叶木浆纤维30-50份,氧化铝粉末10-15份,聚丙烯酰胺5-10份,碳酸钙粉末5-10份,硅藻土5-10份,聚氨酯树脂15-20份,聚乳酸5-10份,分散剂3-5份,结合剂3-5份,稳定剂3-5份,聚乙烯醇5-10份,离型剂15-30份。
进一步地,所述针叶木浆纤维的打浆度为20-40°SR,阔叶木浆纤维的打浆度为20-40°SR;且所述针叶木浆纤维和阔叶木浆纤维浆料含水量均为10-20%。
一种新型皮革离型纸的制备方法,其具体步骤如下:
(1)按照重量份称取各原料;
(2)将按照重量份称取后的针叶木浆、阔叶木浆、氧化铝粉末、聚丙烯酰胺、碳酸钙粉末、硅藻土用疏解机疏解10000 r,并将疏解好的浆料依照所需定量在抄片机中进行抄片,湿纸幅在3-5MPa的压力下压榨40-60s;压榨后的纸幅在真空干燥器中105℃条件下进行干燥;
(3)将聚氨酯树脂、聚乳酸用搅拌机充分搅匀,再加入分散剂、结合剂、稳定剂,搅拌同时加热得到淋膜料;
(4)将淋膜料通过淋膜机模头共挤在步骤(2)中制备得到的干纸幅上得到淋膜纸,淋膜机的共挤速度为100-120m/min;
(5)用聚乙烯醇对淋膜纸进行表面施胶,之后涂布离型剂;
(6)涂布完成后在真空干燥器105℃条件下进行干燥,干燥时间为5min,得到成品。
本发明的有益技术效果在于: (1)本发明的皮革离型纸其制备工艺简单,易于操作,适于工业化生产;(2)本发明制得的皮革离型纸能够具有更好的产品强度,具有良好的应用前景。
具体实施方式
为使本领域的普通技术人员更加清楚地理解本发明的目的、技术方案和优点,以下实施例对本发明做进一步的阐述。
本发明所述的一种新型皮革离型纸,其原料按重量的配方如下:针叶木浆纤维80-100份,阔叶木浆纤维30-50份,氧化铝粉末10-15份,聚丙烯酰胺5-10份,碳酸钙粉末5-10份,硅藻土5-10份,聚氨酯树脂15-20份,聚乳酸5-10份,分散剂3-5份,结合剂3-5份,稳定剂3-5份,聚乙烯醇5-10份,离型剂15-30份。
进一步地,所述针叶木浆纤维的打浆度为20-40°SR,阔叶木浆纤维的打浆度为20-40°SR;且所述针叶木浆纤维和阔叶木浆纤维浆料含水量均为10-20%。
一种新型皮革离型纸的制备方法,其具体步骤如下:
(1)按照重量份称取各原料;
(2)将按照重量份称取后的针叶木浆、阔叶木浆、氧化铝粉末、聚丙烯酰胺、碳酸钙粉末、硅藻土用疏解机疏解10000 r,并将疏解好的浆料依照所需定量在抄片机中进行抄片,湿纸幅在3-5MPa的压力下压榨40-60s;压榨后的纸幅在真空干燥器中105℃条件下进行干燥;
(3)将聚氨酯树脂、聚乳酸用搅拌机充分搅匀,再加入分散剂、结合剂、稳定剂,搅拌同时加热得到淋膜料;
(4)将淋膜料通过淋膜机模头共挤在步骤(2)中制备得到的干纸幅上得到淋膜纸,淋膜机的共挤速度为100-120m/min;
(5)用聚乙烯醇对淋膜纸进行表面施胶,之后涂布离型剂;
(6)涂布完成后在真空干燥器105℃条件下进行干燥,干燥时间为5min,得到成品。实施例1:
(1)按照重量份称取各原料。其原料按重量的配方如下:30°SR含水10%针叶木浆纤维(以绝干量计)80份,30°SR含水10%阔叶木浆纤维(以绝干量计)30份,氧化铝粉末10份,聚丙烯酰胺5份,碳酸钙粉末5份,硅藻土5份,聚氨酯树脂15份,聚乳酸5份,分散剂3份,结合剂3份,稳定剂3份,聚乙烯醇5份,离型剂15份。
(2)将针叶木浆、阔叶木浆、氧化铝粉末、聚丙烯酰胺、碳酸钙粉末、硅藻土用疏解机疏解10000 r,并将疏解好的浆料依照所需定量在抄片机中进行抄片,湿纸幅在3.5MPa的压力下压榨40s;压榨后的纸幅在真空干燥器中105℃条件下进行干燥;
(3)将聚氨酯树脂、聚乳酸用搅拌机充分搅匀,再加入分散剂、结合剂、稳定剂,搅拌同时加热得到淋膜料;
(4)将淋膜料通过淋膜机模头共挤在(2)中制备得到的干纸幅上得到淋膜纸,共挤速度为120m/min;
(5)再用聚乙烯醇对淋膜纸进行表面施胶,之后涂布离型剂。
(6)涂布完成后在真空干燥器105℃条件下进行干燥5min,得到成品。
实施例2:
(1)按照重量份称取各原料。其原料按重量的配方如下:30°SR含水10%针叶木浆纤维(以绝干量计)100份,30°SR含水10%阔叶木浆纤维(以绝干量计)50份,氧化铝粉末15份,聚丙烯酰胺10份,碳酸钙粉末10份,硅藻土10份,聚氨酯树脂20份,聚乳酸10份,分散剂5份,结合剂5份,稳定剂5份,聚乙烯醇10份,离型剂30份。
(2)将针叶木浆、阔叶木浆、氧化铝粉末、聚丙烯酰胺、碳酸钙粉末、硅藻土用疏解机疏解10000 r,并将疏解好的浆料依照所需定量在抄片机中进行抄片,湿纸幅在5MPa的压力下压榨60s;压榨后的纸幅在真空干燥器中105℃条件下进行干燥;
(3)将聚氨酯树脂、聚乳酸用搅拌机充分搅匀,再加入分散剂、结合剂、稳定剂,搅拌同时加热得到淋膜料;
(4)将淋膜料通过淋膜机模头共挤在(2)中制备得到的干纸幅上得到淋膜纸,共挤速度为100m/min;
(5)再用聚乙烯醇对淋膜纸进行表面施胶,之后涂布离型剂。
(6)涂布完成后在真空干燥器105℃条件下进行干燥5min,得到成品。
实施例3:
(1)按照重量份称取各原料。其原料按重量的配方如下:30°SR含水10%针叶木浆纤维(以绝干量计)80份,30°SR含水10%阔叶木浆纤维(以绝干量计)50份,氧化铝粉末10份,聚丙烯酰胺10份,碳酸钙粉末10份,硅藻土5份,聚氨酯树脂20份,聚乳酸10份,分散剂5份,结合剂5份,稳定剂5份,聚乙烯醇5份,离型剂20份。
(2)将针叶木浆、阔叶木浆、氧化铝粉末、聚丙烯酰胺、碳酸钙粉末、硅藻土用疏解机疏解10000 r,并将疏解好的浆料依照所需定量在抄片机中进行抄片,湿纸幅在4MPa的压力下压榨50s;压榨后的纸幅在真空干燥器中105℃条件下进行干燥;
(3)将聚氨酯树脂、聚乳酸用搅拌机充分搅匀,再加入分散剂、结合剂、稳定剂,搅拌同时加热得到淋膜料;
(4)将淋膜料通过淋膜机模头共挤在(2)中制备得到的干纸幅上得到淋膜纸,共挤速度为100m/min;
(5)再用聚乙烯醇对淋膜纸进行表面施胶,之后涂布离型剂。
(6)涂布完成后在真空干燥器105℃条件下进行干燥5min,得到成品。
本文中所描述的具体实施例仅例示性说明本发明的原理及其功效,而非用于限制本发明。任何熟悉此技术的人士皆可在不违背本发明的精神及范畴下,对上述实施例进行修饰或改变。因此,但凡所属技术领域中具有通常知识者在未脱离本发明所揭示的精神与技术思想下所完成的一切等效修饰或改变,仍应由本发明的权利要求所涵盖。
Claims (3)
1.一种新型皮革离型纸,其特征在于:其原料按重量的配方如下:针叶木浆纤维80-100份,阔叶木浆纤维30-50份,氧化铝粉末10-15份,聚丙烯酰胺5-10份,碳酸钙粉末5-10份,硅藻土5-10份,聚氨酯树脂15-20份,聚乳酸5-10份,分散剂3-5份,结合剂3-5份,稳定剂3-5份,聚乙烯醇5-10份,离型剂15-30份。
2.根据权利要求1所述的新型皮革离型纸,其特征在于:所述针叶木浆纤维的打浆度为20-40°SR,阔叶木浆纤维的打浆度为20-40°SR;且所述针叶木浆纤维和阔叶木浆纤维浆料含水量均为10-20%。
3.一种根据权利要求2所述的新型皮革离型纸的制备方法,其特征在于:具体步骤如下:
(1)按照重量份称取各原料;
(2)将按照重量份称取后的针叶木浆、阔叶木浆、氧化铝粉末、聚丙烯酰胺、碳酸钙粉末、硅藻土用疏解机疏解10000 r,并将疏解好的浆料依照所需定量在抄片机中进行抄片,湿纸幅在3-5MPa的压力下压榨40-60s;压榨后的纸幅在真空干燥器中105℃条件下进行干燥;
(3)将聚氨酯树脂、聚乳酸用搅拌机充分搅匀,再加入分散剂、结合剂、稳定剂,搅拌同时加热得到淋膜料;
(4)将淋膜料通过淋膜机模头共挤在步骤(2)中制备得到的干纸幅上得到淋膜纸,淋膜机的共挤速度为100-120m/min;
(5)用聚乙烯醇对淋膜纸进行表面施胶,之后涂布离型剂;
(6)涂布完成后在真空干燥器105℃条件下进行干燥,干燥时间为5min,得到成品。
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