CN106120460A - 一种用亚硫酸盐生产高透明纸的方法 - Google Patents

一种用亚硫酸盐生产高透明纸的方法 Download PDF

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CN106120460A
CN106120460A CN201610506324.1A CN201610506324A CN106120460A CN 106120460 A CN106120460 A CN 106120460A CN 201610506324 A CN201610506324 A CN 201610506324A CN 106120460 A CN106120460 A CN 106120460A
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甘木林
何县香
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JINJIANG YOULANFA PAPER INDUSTRY Co Ltd
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Abstract

本发明公开了一种用亚硫酸盐生产高透明纸的方法，包括按重量份数计，半纤维素酶5份、纤维素酶3份、木聚糖酶3份以及果胶酶2份，按上述配方称取各组分等步骤；本发明用透明剂渗透到纸张内部赶走空气，由于透明剂的折光率接近于纤维素纤维的折光率，所以就会形成均一的光学性质从而提高纸张透明度同时进入纤维间的透明度剂固化后与纤维交联，还能提高纸张强度。内添法是透明剂和浆料一起进行打浆，当加入物充分吸附在纤维素上时，抄成纸幅干燥后，纸张透明度就可以达到规定要求。

Description

一种用亚硫酸盐生产高透明纸的方法
技术领域
本发明属于高透明纸生产工艺领域，具体涉及一种用亚硫酸盐生产高透明纸的方法。
背景技术
从高透明纸的发展趋势看，随着人们环保意识的增强，高透明纸的应用越来越被客户看好。目前，已被应用于套色印刷和层间制品、药品类的防粘包装、食品的透明包装等多个领域中，几乎到了随处可见的地步，呈现供不应求的状况，国内生产高透明拷贝纸的企业还处于相对落后的状况，从生产工艺的制定到设备的配置，均无法与国际先进水平相媲美。因此，无论质量和产量，目前国内生产商都无法满足人们的需要。
发明内容
本发明的目的在提供一种用亚硫酸盐生产高透明纸的方法。
一种用亚硫酸盐生产高透明纸的方法，包括以下步骤：
(1)按重量份数计，半纤维素酶5份、纤维素酶3份、木聚糖酶3份以及果胶酶2份，按上述配方称取各组分；
(2)先将果胶酶用水溶解，再加入纤维素酶和木聚糖酶，以40转/分钟的转速搅拌30分钟，然后加入半纤维素酶以40转/分钟的转速搅拌30分钟，即得所述打浆酶制剂；
(3)取针叶木亚硫酸盐浆200份、薏苡仁30份、白术15份、党参15份、山药10份、芡实6份、橘皮10份、黄连10份、茯苓10份、秦皮10份、白豆蔻6份、甘草6份以及干姜6份按比例放入到高效打浆机内进行混合打浆，打浆时间40mim，使浆料的游离度为180～250CSF，并升温至70℃；
(4)然后把辛基聚氧乙烯醚8份、磷酸三钠4份、九水硅酸钠4份、碳酸钠4份、松香胶4份、硫酸铝2份以及丙烯酸酯聚合物4份均匀的加入到步骤(3)的浆料中，搅拌并保持温度70℃，PH值调至8；
(5)将步骤(2)的打浆酶制剂与步骤(4)的混合物充分搅拌，然后泵送到抄前池进行抄纸；
(6)按常规方法用造纸机进行造纸，用复卷机复卷整理；
(7)将复卷整理的纸页经湿润机用55摄氏度的温水将纸页再湿润；
(8)取焦磷酸钠6份、抗坏血酸7份、亚硫酸氢盐4份、肉桂醛2份以及多菌灵6份加入到100份的水中并加热至70℃备用；
(9)然后用喷洒机把步骤(8)混合液倒入到搅拌机内均匀，搅拌时间为30min，再把混合液均匀喷涂在步骤(7)中的纸上；
(10)将步骤(9)中的纸页按常规方法用超级压光机超压整饰，用切纸机切成小张即成。
进一步，先将步骤(4)的混合液放入蒸锅内抽真空至2.0×10-8Torr，将蒸锅内温度调至80℃烘烤，蒸锅内气压升到2.5×10-7Torr后，烘烤2小时，至锅内气压回到2.2×10- 8Torr后关闭烘烤；最后冷却至常温，打开蒸锅加入步骤(2)的打浆酶制剂，然后关闭蒸锅，对蒸锅抽真空至气压到2.3×10-8Torr；然后打开蒸锅取出进入下一步。
进一步，所述半纤维素酶的酶活为900U/mL。
进一步，所述纤维素酶的酶活为1100U/mL。
进一步，所述木聚糖酶的酶活为200U/mL。
进一步，所述果胶酶的酶活为150U/mL。
本发明不需要对纤维进行高强度的打浆，节约大量的电能；纤维因不需要高强度打浆，纤维长度得以保护，从而可选强度较低的浆板，降低生产成本；本发明在纸张表面采用雾化喷哂法，保证了透明剂充分渗透到纤维内腔赶走空气形成透明剂与纤维的复合介质，研究认为，两者折光率越接近，纸张透明度越高；本发明在浆内添加丙烯酸酯透明剂，由于透明剂的加入可使纤维之间结合强度有一定程度增大，有利于提高纸页的抗张强度及耐破强度
具体实施方式
一种用亚硫酸盐生产高透明纸的方法，包括以下步骤：
(1)按重量份数计，半纤维素酶5份、纤维素酶3份、木聚糖酶3份以及果胶酶2份，按上述配方称取各组分；
(2)先将果胶酶用水溶解，再加入纤维素酶和木聚糖酶，以40转/分钟的转速搅拌30分钟，然后加入半纤维素酶以40转/分钟的转速搅拌30分钟，即得所述打浆酶制剂；
(3)取针叶木亚硫酸盐浆200份、薏苡仁30份、白术15份、党参15份、山药10份、芡实6份、橘皮10份、黄连10份、茯苓10份、秦皮10份、白豆蔻6份、甘草6份以及干姜6份按比例放入到高效打浆机内进行混合打浆，打浆时间40mim，使浆料的游离度为180～250CSF，并升温至70℃；
(4)然后把辛基聚氧乙烯醚8份、磷酸三钠4份、九水硅酸钠4份、碳酸钠4份、松香胶4份、硫酸铝2份以及丙烯酸酯聚合物4份均匀的加入到步骤(3)的浆料中，搅拌并保持温度70℃，PH值调至8；
(5)将步骤(2)的打浆酶制剂与步骤(4)的混合物充分搅拌，然后泵送到抄前池进行抄纸；
(6)按常规方法用造纸机进行造纸，用复卷机复卷整理；
(7)将复卷整理的纸页经湿润机用55摄氏度的温水将纸页再湿润；
(8)取焦磷酸钠6份、抗坏血酸7份、亚硫酸氢盐4份、肉桂醛2份以及多菌灵6份加入到100份的水中并加热至70℃备用；
(9)然后用喷洒机把步骤(8)混合液倒入到搅拌机内均匀，搅拌时间为30min，再把混合液均匀喷涂在步骤(7)中的纸上；
(10)将步骤(9)中的纸页按常规方法用超级压光机超压整饰，用切纸机切成小张即成。
可以先将步骤(4)的混合液放入蒸锅内抽真空至2.0×10-8Torr，将蒸锅内温度调至80℃烘烤，蒸锅内气压升到2.5×10-7Torr后，烘烤2小时，至锅内气压回到2.2×10-8Torr后关闭烘烤；最后冷却至常温，打开蒸锅加入步骤(2)的打浆酶制剂，然后关闭蒸锅，对蒸锅抽真空至气压到2.3×10-8Torr；然后打开蒸锅取出进入下一步。
所述半纤维素酶的酶活为900U/mL。所述纤维素酶的酶活为1100U/mL。所述木聚糖酶的酶活为200U/mL。所述果胶酶的酶活为150U/mL。
本发明用透明剂渗透到纸张内部赶走空气，由于透明剂的折光率接近于纤维素纤维的折光率，所以就会形成均一的光学性质从而提高纸张透明度同时进入纤维间的透明度剂固化后与纤维交联，还能提高纸张强度。内添法是透明剂和浆料一起进行打浆，当加入物充分吸附在纤维素上时，抄成纸幅干燥后，纸张透明度就可以达到规定要求。同时在纸张表面喷哂透明剂，让喷在表面的透明剂被纤维迅速吸收到纤维内部并赶走纤维内腔的空气以此来生产高透明纸。由于使用透明剂和表面透明剂生产出的纸张透明度指标超过行业标准，深受客户喜爱。本发明不需要对纤维进行高强度的打浆，节约大量的电能；纤维因不需要高强度打浆，纤维长度得以保护，从而可选强度较低的浆板，降低生产成本；本发明在纸张表面采用雾化喷哂法，保证了透明剂充分渗透到纤维内腔赶走空气形成透明剂与纤维的复合介质，研究认为，两者折光率越接近，纸张透明度越高；本发明在浆内添加丙烯酸酯透明剂，由于透明剂的加入可使纤维之间结合强度有一定程度增大，有利于提高纸页的抗张强度及耐破强度
本发明生产的高透明纸广泛用于各个领域，深受消费者的喜爱，且无论质量和产量，目前国内其他生产商都无法满足人们的需要。
经测试，成品纸物理指标：抗张强度(纵向)12.0kN/m；撕裂度(纵、横向平均)≥950mN；透明度61％。

Claims (6)

1.一种用亚硫酸盐生产高透明纸的方法，其特征在于包括以下步骤：
(1)按重量份数计，半纤维素酶5份、纤维素酶3份、木聚糖酶3份以及果胶酶2份，按上述配方称取各组分；
(2)先将果胶酶用水溶解，再加入纤维素酶和木聚糖酶，以40转/分钟的转速搅拌30分钟，然后加入半纤维素酶以40转/分钟的转速搅拌30分钟，即得所述打浆酶制剂；
(3)取针叶木亚硫酸盐浆200份、薏苡仁30份、白术15份、党参15份、山药10份、芡实6份、橘皮10份、黄连10份、茯苓10份、秦皮10份、白豆蔻6份、甘草6份以及干姜6份按比例放入到高效打浆机内进行混合打浆，打浆时间40mim，使浆料的游离度为180～250CSF，并升温至70℃；
(4)然后把辛基聚氧乙烯醚8份、磷酸三钠4份、九水硅酸钠4份、碳酸钠4份、松香胶4份、硫酸铝2份以及丙烯酸酯聚合物4份均匀的加入到步骤(3)的浆料中，搅拌并保持温度70℃，PH值调至8；
(5)将步骤(2)的打浆酶制剂与步骤(4)的混合物充分搅拌，然后泵送到抄前池进行抄纸；
(6)按常规方法用造纸机进行造纸，用复卷机复卷整理；
(7)将复卷整理的纸页经湿润机用55摄氏度的温水将纸页再湿润；
(8)取焦磷酸钠6份、抗坏血酸7份、亚硫酸氢盐4份、肉桂醛2份以及多菌灵6份加入到100份的水中并加热至70℃备用；
(9)然后用喷洒机把步骤(8)混合液倒入到搅拌机内均匀，搅拌时间为30min，再把混合液均匀喷涂在步骤(7)中的纸上；
(10)将步骤(9)中的纸页按常规方法用超级压光机超压整饰，用切纸机切成小张即成。
2.根据权利要求1所述的用亚硫酸盐生产高透明纸的方法，其特征在于：先将步骤(4)的混合液放入蒸锅内抽真空至2.0×10-8Torr，将蒸锅内温度调至80℃烘烤，蒸锅内气压升到2.5×10-7Torr后，烘烤2小时，至锅内气压回到2.2×10-8Torr后关闭烘烤；最后冷却至常温，打开蒸锅加入步骤(2)的打浆酶制剂，然后关闭蒸锅，对蒸锅抽真空至气压到2.3×10- 8Torr；然后打开蒸锅取出进入下一步。
3.根据权利要求1或2所述的用亚硫酸盐生产高透明纸的方法，其特征在于：所述半纤维素酶的酶活为900U/mL。
4.根据权利要求1或2所述的用亚硫酸盐生产高透明纸的方法，其特征在于：所述纤维素酶的酶活为1100U/mL。
5.根据权利要求1或2所述的用亚硫酸盐生产高透明纸的方法，其特征在于，所述木聚糖酶的酶活为200U/mL。
6.根据权利要求1或2所述的用亚硫酸盐生产高透明纸的方法，其特征在于，所述果胶酶的酶活为150U/mL。
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