CN107034737A - 一种以毛竹为基质制备食品包装纸的方法 - Google Patents
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Abstract
本发明提供了一种以毛竹为基质制备食品包装纸的方法,先将毛竹截成毛竹段,晒干后,粉碎成颗粒置于氢氧化钠溶液中浸泡,超声打浆,再将松木硫酸盐浆、瓜豆胶加至所得浆液中,调节pH至6.0‑8.0,加入AKD施胶剂、阳离子淀粉、柠檬酸钠,抄造50g/m2纸页;然后用施胶剂对所得纸页进行表面施胶,即得。本发明采用毛竹作为基质制备食品包装纸,采用超声波法制备毛竹浆,所得包装纸具有优良的强度和光学性能,各项性能都远高于普通食品包装纸国家标准一等品指标。
Description
技术领域
本发明属于食品包装材料技术领域,具体涉及一种以毛竹为基质制备食品包装纸的方法。
背景技术
在包装工业领域中,食品包装占有相当大的比例,将近百分之七十左右,而且在包装材料的选择上也格外的严格。塑料作为一种具有廉价、轻便、良好阻隔性特点的食品包装材料,在食品包装的市场中具有很大的优势。但是塑料在自然界中难以降解而且会对人体造成危害,会对环境造成很大的污染,所以在食品包装领域中,塑料包装材料的发展受到了限制。这些年来,全球对环保的重视日益高涨,在整个食品包装和包装行业的领域中开发纸制食品包装己成为整个领域共同认可的目标。纸制食品包装将会成为塑料包装不可降解的包装形式的最佳替代品,而且绿色包装这种方式在食品包装领域中的重要地位越来越明显。目前,塑料食品包装已经开始逐渐被禁止使用,在国内外市场规定纸制食品包装纸必须采用无毒无害的纸制品。
发明内容
解决的技术问题:本发明的目的是提供一种以毛竹为基质制备食品包装纸的方法。
技术方案:一种以毛竹为基质制备食品包装纸的方法,包括以下步骤:
步骤1,将毛竹截成毛竹段,晒干后,粉碎成颗粒;
步骤2,将步骤1所得颗粒置于5-10倍重量氢氧化钠溶液中浸泡,超声打浆,得到浆液;
步骤3,以重量份计,将松木硫酸盐浆2-5份、瓜豆胶1-3份加至步骤2所得浆液10份中,调节pH至6.0-8.0,加入AKD施胶剂0.2-0.6份、阳离子淀粉0.5-1份、柠檬酸钠0.1-0.4份,抄造50g/m2纸页;
步骤4,以重量份计,取氧化淀粉10份加至蒸馏水100份中,糊化后加入表面施胶剂1-3份和硫酸铝20-40份,加热至40-50℃,保温2-3h,得到施胶剂;
步骤5,取步骤4所得施胶剂对步骤3所得纸页进行表面施胶,即得。
优选地,步骤1所得颗粒大小在0.5-1cm。
优选地,步骤2中氢氧化钠溶液浓度为10-15wt.%。
优选地,步骤2中超声功率在500-800kw,打浆是在氮气气氛中进行。
优选地,步骤3中用氢氧化钠调节pH。
优选地,所述表面施胶剂为CS-1。
有益效果:本发明采用毛竹作为基质制备食品包装纸,采用超声波法制备毛竹浆,所得包装纸具有优良的强度和光学性能,各项性能都远高于普通食品包装纸国家标准一等品指标。
具体实施方式
实施例1
一种以毛竹为基质制备食品包装纸的方法,包括以下步骤:
步骤1,将毛竹截成毛竹段,晒干后,粉碎成颗粒;
步骤2,将步骤1所得颗粒置于5倍重量氢氧化钠溶液中浸泡,超声打浆,得到浆液;
步骤3,以重量份计,将松木硫酸盐浆2份、瓜豆胶3份加至步骤2所得浆液10份中,调节pH至6.0,加入AKD施胶剂0.2份、阳离子淀粉0.5份、柠檬酸钠0.1份,抄造50g/m2纸页;
步骤4,以重量份计,取氧化淀粉10份加至蒸馏水100份中,糊化后加入表面施胶剂1份和硫酸铝20份,加热至40℃,保温3h,得到施胶剂;
步骤5,取步骤4所得施胶剂对步骤3所得纸页进行表面施胶,即得。
其中,步骤1所得颗粒大小在0.5-1cm;步骤2中氢氧化钠溶液浓度为10wt.%,超声功率在500-800kw,打浆是在氮气气氛中进行;步骤3中用氢氧化钠调节pH。所述表面施胶剂为CS-1。
所得包装纸的吸水性Cobb60为26.4g/m2,抗张指数为45Nm/g,耐破指数为5.4kpa·m2/g。
实施例2
一种以毛竹为基质制备食品包装纸的方法,包括以下步骤:
步骤1,将毛竹截成毛竹段,晒干后,粉碎成颗粒;
步骤2,将步骤1所得颗粒置于6倍重量氢氧化钠溶液中浸泡,超声打浆,得到浆液;
步骤3,以重量份计,将松木硫酸盐浆3份、瓜豆胶2份加至步骤2所得浆液10份中,调节pH至6.0,加入AKD施胶剂0.4份、阳离子淀粉0.7份、柠檬酸钠0.2份,抄造50g/m2纸页;
步骤4,以重量份计,取氧化淀粉10份加至蒸馏水100份中,糊化后加入表面施胶剂2份和硫酸铝28份,加热至40℃,保温2h,得到施胶剂;
步骤5,取步骤4所得施胶剂对步骤3所得纸页进行表面施胶,即得。
其中,步骤1所得颗粒大小在0.5-1cm;步骤2中氢氧化钠溶液浓度为12wt.%,超声功率在500-800kw,打浆是在氮气气氛中进行;步骤3中用氢氧化钠调节pH。所述表面施胶剂为CS-1。
所得包装纸的吸水性Cobb60为27.3g/m2,抗张指数为47Nm/g,耐破指数为5.2kpa·m2/g。
实施例3
一种以毛竹为基质制备食品包装纸的方法,包括以下步骤:
步骤1,将毛竹截成毛竹段,晒干后,粉碎成颗粒;
步骤2,将步骤1所得颗粒置于8倍重量氢氧化钠溶液中浸泡,超声打浆,得到浆液;
步骤3,以重量份计,将松木硫酸盐浆4份、瓜豆胶3份加至步骤2所得浆液10份中,调节pH至7.0,加入AKD施胶剂0.5份、阳离子淀粉0.7份、柠檬酸钠0.3份,抄造50g/m2纸页;
步骤4,以重量份计,取氧化淀粉10份加至蒸馏水100份中,糊化后加入表面施胶剂2份和硫酸铝35份,加热至45℃,保温3h,得到施胶剂;
步骤5,取步骤4所得施胶剂对步骤3所得纸页进行表面施胶,即得。
其中,步骤1所得颗粒大小在0.5-1cm;步骤2中氢氧化钠溶液浓度为10wt.%,超声功率在500-800kw,打浆是在氮气气氛中进行;步骤3中用氢氧化钠调节pH。所述表面施胶剂为CS-1。
所得包装纸的吸水性Cobb60为25.7g/m2,抗张指数为43Nm/g,耐破指数为5.2kpa·m2/g。
实施例4
一种以毛竹为基质制备食品包装纸的方法,包括以下步骤:
步骤1,将毛竹截成毛竹段,晒干后,粉碎成颗粒;
步骤2,将步骤1所得颗粒置于10倍重量氢氧化钠溶液中浸泡,超声打浆,得到浆液;
步骤3,以重量份计,将松木硫酸盐浆5份、瓜豆胶1份加至步骤2所得浆液10份中,调节pH至8.0,加入AKD施胶剂0.6份、阳离子淀粉1份、柠檬酸钠0.4份,抄造50g/m2纸页;
步骤4,以重量份计,取氧化淀粉10份加至蒸馏水100份中,糊化后加入表面施胶剂3份和硫酸铝40份,加热至50℃,保温2h,得到施胶剂;
步骤5,取步骤4所得施胶剂对步骤3所得纸页进行表面施胶,即得。
其中,步骤1所得颗粒大小在0.5-1cm;步骤2中氢氧化钠溶液浓度为15wt.%,超声功率在500-800kw,打浆是在氮气气氛中进行;步骤3中用氢氧化钠调节pH。所述表面施胶剂为CS-1。
所得包装纸的吸水性Cobb60为27.1g/m2,抗张指数为48Nm/g,耐破指数为5.6kpa·m2/g。
Claims (6)
1.一种以毛竹为基质制备食品包装纸的方法,其特征在于:包括以下步骤:
步骤1,将毛竹截成毛竹段,晒干后,粉碎成颗粒;
步骤2,将步骤1所得颗粒置于5-10倍重量氢氧化钠溶液中浸泡,超声打浆,得到浆液;
步骤3,以重量份计,将松木硫酸盐浆2-5份、瓜豆胶1-3份加至步骤2所得浆液10份中,调节pH至6.0-8.0,加入AKD施胶剂0.2-0.6份、阳离子淀粉0.5-1份、柠檬酸钠0.1-0.4份,抄造50g/m2纸页;
步骤4,以重量份计,取氧化淀粉10份加至蒸馏水100份中,糊化后加入表面施胶剂1-3份和硫酸铝20-40份,加热至40-50℃,保温2-3h,得到施胶剂;
步骤5,取步骤4所得施胶剂对步骤3所得纸页进行表面施胶,即得。
2.根据权利要求1所述的以毛竹为基质制备食品包装纸的方法,其特征在于:步骤1所得颗粒大小在0.5-1cm。
3.根据权利要求1所述的以毛竹为基质制备食品包装纸的方法,其特征在于:步骤2中氢氧化钠溶液浓度为10-15wt.%。
4.根据权利要求1所述的以毛竹为基质制备食品包装纸的方法,其特征在于:步骤2中超声功率在500-800kw,打浆是在氮气气氛中进行。
5.根据权利要求1所述的以毛竹为基质制备食品包装纸的方法,其特征在于:步骤3中用氢氧化钠调节pH。
6.根据权利要求1所述的以毛竹为基质制备食品包装纸的方法,其特征在于:所述表面施胶剂为CS-1。
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CN104452467A (zh) * | 2013-09-18 | 2015-03-25 | 山东泉林纸业有限责任公司 | 一种薄型本色食品包装纸及其制备方法 |
CN105113332A (zh) * | 2015-08-13 | 2015-12-02 | 合肥龙发包装有限公司 | 一种抗菌包装纸 |
CN106245458A (zh) * | 2016-08-29 | 2016-12-21 | 龙利得包装印刷股份有限公司 | 一种防腐抗菌包装纸 |
CN106400602A (zh) * | 2016-10-12 | 2017-02-15 | 福建希源纸业有限公司 | 一种蛋糕托纸及其制作方法 |
CN106436475A (zh) * | 2016-10-12 | 2017-02-22 | 福建希源纸业有限公司 | 一种食品包装纸及其生产方法 |
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