CN109235115A - 一种食盐包装纸的制造方法 - Google Patents

一种食盐包装纸的制造方法 Download PDF

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CN109235115A
CN109235115A CN201811104069.3A CN201811104069A CN109235115A CN 109235115 A CN109235115 A CN 109235115A CN 201811104069 A CN201811104069 A CN 201811104069A CN 109235115 A CN109235115 A CN 109235115A
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paper
pulp
bleached sulphate
sizing
weight ratio
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刘成良
李丹
朱宏伟
刘春景
周金涛
唐彪
林本平
阳路
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Yueyang Forest & Paper Co Ltd
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Abstract

本发明公布了一种食盐包装纸的制造方法，它包括将漂白硫酸盐针叶木浆及漂白硫酸盐阔叶木浆分别打浆、配浆及辅料加入、湿纸页抄造、前干燥、表面施胶、后干燥等工艺步骤。本发明工艺简单，制备的食盐包装纸强度好，耐破性能高，防潮性能好，同时能够快速降解，满足环保要求。

Description

一种食盐包装纸的制造方法
技术领域
本发明涉及一种食盐包装纸的制造方法。
背景技术
目前市场上的食盐包装袋主要广泛采用塑料或纸塑复合包装，由于塑料极难自然降解，造成严重的环境污染，一些发达国家已部分限制塑料包装的使用。国外食盐包装已广泛采用纸质包装，食盐包装纸与食盐包装机械产品、技术已经成熟，国内尚处于研发阶段。为此，开发食盐包装纸，降低白色污染，既是大势所趋，也是利国利民的好事。
食盐包装纸产品要求符合食品包装用纸卫生要求，且强度好，耐破性能高，防潮性能好，同时能够快速降解，满足环保要求。
发明内容
本发明的目的是针对以上问题，提供一种食盐包装纸的制造方法，工艺简单，制备的食盐包装纸强度好，耐破性能高，防潮性能好，同时能够快速降解，满足环保要求。
为实现以上目的，本发明采用的技术方案是：一种食盐包装纸的制造方法，它包括将漂白硫酸盐针叶木浆及漂白硫酸盐阔叶木浆分别打浆、配浆及辅料加入、湿纸页抄造、前干燥、表面施胶、后干燥等工艺步骤，具体参数如下：
1)漂白硫酸盐针叶木浆及漂白硫酸盐阔叶木浆的重量比为：50～60：40～50；漂白硫酸盐针叶木浆打浆浓度为3.5～4.5％,打浆叩解度为50±2SR；漂白硫酸盐阔叶木浆打浆浓度为3.5～4.5％,打浆叩解度为37±2SR；
2)辅料对绝干浆用量为：(a)AKD胶重量比0.5～1.0％；(b)助留剂重量比0.02～0.04％；(c)阳离子淀粉重量比1.2～1.5％；(d)丙烯酰胺聚合物增强剂0.8～1.2％；(e)填料采用轻钙，按照10％控制加入量；
3)施胶部：表面施胶采用膜转移表面施胶，表胶采用聚乙烯醇+施胶淀粉；双面施胶,施胶量控制在2.0～4.0g/m2，施胶加压(TS/DS)为0.36/0.24MPa，施胶部纸页张力80～120N/m2；施胶浓度控制在10～12％，聚乙烯醇用量控制在3～4kg/吨纸；
4)纸机参数：网速600m/min，浆网速比1.020，上网浓度0.7～0.8％，流浆箱唇板开度12.7～13.0mm，一压线压力：20～40kN/m，二压线压力：10～30kN/m。
本发明的有益效果：
1、浆内添加丙烯酰胺聚合物增强剂和阳离子淀粉，提高纸张内结合强度。
2、产品在生产过程中，通过优化打浆及湿部滤水，改善浆料滤水性能，控制较低的白水浓度(0.2％以下)，从而提高系统洁净程度，在生产中不使用防腐剂或杀菌剂。
3、通过有效的优化上网浓度、浆网速比、真空度和线压等关键工艺参数，获得比较好的纸张匀度、横幅和纤维定向。
4、产品进行表面施胶，表面施胶中主要含有聚乙烯醇和酶转化淀粉；将聚乙烯醇与表面施胶酶转化淀粉进行复配,提高纸张耐破强度。产品表面施胶采用淀粉酶对玉米或木著原淀粉进行降解，对人体无毒，对环境无污染；而传统表面施胶使用的氧化淀粉采用次氯酸盐等化学品进行变性处理，存在的成本高，污染环境，有毒副作用的问题。
具体实施方式
以下通过实施例进一步对本发明做出阐释。
实施例1：
一种食盐包装纸的制造方法，它包括将漂白硫酸盐针叶木浆及漂白硫酸盐阔叶木浆分别打浆、配浆及辅料加入、湿纸页抄造、前干燥、表面施胶、后干燥等工艺步骤，具体参数如下：
1)漂白硫酸盐针叶木浆及漂白硫酸盐阔叶木浆的重量比为：50：50；漂白硫酸盐针叶木浆和漂白硫酸盐阔叶木浆打浆浓度为3.5％,漂白硫酸盐针叶木浆和漂白硫酸盐阔叶木浆的打浆叩解度分别为48SR和35SR；
2)辅料对绝干浆用量为：(a)AKD胶重量比0.5～1.0％；(b)助留剂重量比0.02～0.04％；(c)阳离子淀粉重量比1.2～1.5％；(d)丙烯酰胺聚合物增强剂0.8～1.2％；(e)填料采用轻钙，按照10％控制加入量；
3)施胶部：表面施胶采用膜转移表面施胶，表胶采用聚乙烯醇+施胶淀粉；双面施胶,施胶量控制在2.0g/m2，施胶加压(TS/DS)为0.36/0.24MPa，施胶部纸页张力80N/m2；施胶浓度控制在10％，聚乙烯醇用量控制在3kg/吨纸；
4)纸机参数：网速600m/min，浆网速比1.020，上网浓度0.7～0.8％，流浆箱唇板开度12.7～13.0mm，一压线压力：20～40kN/m，二压线压力：10～30kN/m。
实施例2：
一种食盐包装纸的制造方法，它包括将漂白硫酸盐针叶木浆及漂白硫酸盐阔叶木浆分别打浆、配浆及辅料加入、湿纸页抄造、前干燥、表面施胶、后干燥等工艺步骤，具体参数如下：
1)漂白硫酸盐针叶木浆及漂白硫酸盐阔叶木浆的重量比为：55：45；漂白硫酸盐针叶木浆和漂白硫酸盐阔叶木浆打浆浓度为4.0％,漂白硫酸盐针叶木浆和漂白硫酸盐阔叶木浆的打浆叩解度分别为50SR和37SR；
2)辅料对绝干浆用量为：(a)AKD胶重量比0.8％；(b)助留剂重量比0.03％；(c)阳离子淀粉重量比1.3％；(d)丙烯酰胺聚合物增强剂1％；(e)填料采用轻钙，按照10％控制加入量；
3)施胶部：表面施胶采用膜转移表面施胶，表胶采用聚乙烯醇+施胶淀粉；双面施胶,施胶量控制在3.0g/m2，施胶加压(TS/DS)为0.36/0.24MPa，施胶部纸页张力100N/m2；施胶浓度控制在11％，聚乙烯醇用量控制在3.5kg/吨纸；
4)纸机参数：网速600m/min，浆网速比1.020，上网浓度0.7～0.8％，流浆箱唇板开度12.7～13.0mm，一压线压力：20～40kN/m，二压线压力：10～30kN/m。
实施例3：
一种食盐包装纸的制造方法，它包括将漂白硫酸盐针叶木浆及漂白硫酸盐阔叶木浆分别打浆、配浆及辅料加入、湿纸页抄造、前干燥、表面施胶、后干燥等工艺步骤，具体参数如下：
1)漂白硫酸盐针叶木浆及漂白硫酸盐阔叶木浆的重量比为：60：40；漂白硫酸盐针叶木浆和漂白硫酸盐阔叶木浆打浆浓度为4.5％,漂白硫酸盐针叶木浆和漂白硫酸盐阔叶木浆的打浆叩解度分别为52SR和39SR；
2)辅料对绝干浆用量为：(a)AKD胶重量比1.0％；(b)助留剂重量比0.04％；(c)阳离子淀粉重量比1.5％；(d)丙烯酰胺聚合物增强剂1.2％；(e)填料采用轻钙，按照10％控制加入量；
3)施胶部：表面施胶采用膜转移表面施胶，表胶采用聚乙烯醇+施胶淀粉；双面施胶,施胶量控制在4.0g/m2，施胶加压(TS/DS)为0.36/0.24MPa，施胶部纸页张力120N/m2；施胶浓度控制在12％，聚乙烯醇用量控制在4kg/吨纸；
4)纸机参数：网速600m/min，浆网速比1.020，上网浓度0.7～0.8％，流浆箱唇板开度12.7～13.0mm，一压线压力：20～40kN/m，二压线压力：10～30kN/m。
成品食盐包装纸的检测数据如下：
检测项目 实施例1 实施例2 实施例3
成品白度(％) 76.5 78.2 88.1
水分(％) 6.2 6.6 6.9
纵向裂断长(Km) 8.2 8.6 8.8
耐破指数(KPa.㎡/g) 3.7 4.0 4.2
横向撕裂指数(mN.㎡/g) 11.2 13.6 14.5
透气度(μm/Pa.s) 6.5 5.2 4.7
吸水性(g/㎡) 21 23 26
平滑度平均值(s) 15 22 29
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。
以上对本发明所提供的一种食盐包装纸的制造方法进行了详细介绍，本文中对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及其核心思想；同时，对于本领域的一般技术人员，依据本发明的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本发明的限制。

Claims (1)

1.一种食盐包装纸的制造方法，其特征在于，它包括将漂白硫酸盐针叶木浆及漂白硫酸盐阔叶木浆分别打浆、配浆及辅料加入、湿纸页抄造、前干燥、表面施胶、后干燥等工艺步骤，其特征在于,具体参数如下：
1)漂白硫酸盐针叶木浆及漂白硫酸盐阔叶木浆的重量比为：50～60：40～50；漂白硫酸盐针叶木浆打浆浓度为3.5～4.5％,打浆叩解度为50±2SR；漂白硫酸盐阔叶木浆打浆浓度为3.5～4.5％,打浆叩解度为37±2SR；
2)辅料对绝干浆用量为：(a)AKD胶重量比0.5～1.0％；(b)助留剂重量比0.02～0.04％；(c)阳离子淀粉重量比1.2～1.5％；(d)丙烯酰胺聚合物增强剂0.8～1.2％；(e)填料采用轻钙，按照10％控制加入量；
3)施胶部：表面施胶采用膜转移表面施胶，表胶采用聚乙烯醇+施胶淀粉；双面施胶,施胶量控制在2.0～4.0g/m2，施胶加压(TS/DS)为0.36/0.24MPa，施胶部纸页张力80～120N/m2；施胶浓度控制在10～12％，聚乙烯醇用量控制在3～4kg/吨纸；
4)纸机参数：网速600m/min，浆网速比1.020，上网浓度0.7～0.8％，流浆箱唇板开度12.7～13.0mm，一压线压力：20～40kN/m，二压线压力：10～30kN/m。
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109736128A (zh) * 2019-03-05 2019-05-10 山东天阳纸业有限公司 一种吸管原纸的制造方法
CN109853299A (zh) * 2019-03-11 2019-06-07 南京林业大学 低定量食品包装纸及其生产方法
CN110318302A (zh) * 2019-05-31 2019-10-11 岳阳林纸股份有限公司 一种饮料吸管纸的制造方法
CN110468624A (zh) * 2019-08-08 2019-11-19 岳阳林纸股份有限公司 一种高端面条包装纸的制造方法
CN112160182A (zh) * 2020-09-28 2021-01-01 岳阳林纸股份有限公司 一种披萨盒面纸及其制备方法
CN112342839A (zh) * 2020-11-11 2021-02-09 济南灏源纸业有限公司 一种微量涂布食品包装纸及其制作方法
CN114108376A (zh) * 2021-11-25 2022-03-01 芬欧汇川(中国)有限公司 食品接触纸、其生产方法及纸棒

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109736128A (zh) * 2019-03-05 2019-05-10 山东天阳纸业有限公司 一种吸管原纸的制造方法
CN109853299A (zh) * 2019-03-11 2019-06-07 南京林业大学 低定量食品包装纸及其生产方法
CN110318302A (zh) * 2019-05-31 2019-10-11 岳阳林纸股份有限公司 一种饮料吸管纸的制造方法
CN110468624A (zh) * 2019-08-08 2019-11-19 岳阳林纸股份有限公司 一种高端面条包装纸的制造方法
CN112160182A (zh) * 2020-09-28 2021-01-01 岳阳林纸股份有限公司 一种披萨盒面纸及其制备方法
CN112342839A (zh) * 2020-11-11 2021-02-09 济南灏源纸业有限公司 一种微量涂布食品包装纸及其制作方法
CN114108376A (zh) * 2021-11-25 2022-03-01 芬欧汇川(中国)有限公司 食品接触纸、其生产方法及纸棒

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