CN115094676A - 一种高强度医用包装纸及其制备方法 - Google Patents
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Abstract
本发明提供一种高强度医用包装纸及其制备方法，包括原纸主体，所述原纸主体的内侧设有抗菌层，所述原纸主体的外侧设有防水层，所述防水层的外侧设有加强层，所述加强层的外侧设有阻燃层，所述抗菌层由抗菌粘剂制得，所述防水层由纳米薄膜制得，所述加强层由面层浆制得，所述阻燃层由防火粘剂制得，S1.制备原纸主体，S2.制备加强层，S3.覆膜防水层，S4.制备高强度医用包装纸。本发明通过加强层和防水层的设置，能够有效增加包装纸的韧性强度，通过外层阻燃层和内层抗菌层的设置，能够对包装的医用物品进行抗菌处理，不仅具有高韧性包装的效果，而且还具有抗菌阻燃的特点。
Description
技术领域
本发明涉及医用包装纸技术领域，具体的为一种高强度医用包装纸及其制备方法。
背景技术
医用包装材料可以分作两类：重复用包装材料和一次性包装材料，其中一次性包装材料用到最多的便是医用包装纸，医用包装纸是一次性灭菌医用口罩、防护服、咽拭子、手术刀、医用注射器等医疗防护物资所必须的配套包装材料，其构成的无菌屏障系统，可在灭菌后防止微生物入侵，为医疗物资隔离病菌起到了重要的作用。
但是，传统的医用包装纸大多直接在打浆时添加阻菌材料，但如果打浆度过高纸浆脱水性变差，便会影响纸张孔径分布，容易造成阻菌性能降低，且传统的医用包装纸韧性较差，受到挤压折叠后容易出现褶皱孔洞，这就会造成细菌或水渍的入侵，造成内部医疗器械的污染。现在市场上普通的医用包装纸已经越来越不能满足市场的发展与产品性能的要求。
发明内容
本发明提供的发明目的在于提供一种高强度医用包装纸及其制备方法，通过纳米薄膜的防水层增加了包装纸的韧性，再通过压光涂覆形式将抗菌层涂覆在包装纸的内侧，能够有效阻挡细菌的入侵工作，并且达到高强度防水和抗菌的效果。
为实现以上目的，本发明通过以下技术方案予以实现：一种高强度医用包装纸及其制备方法，包括原纸主体，所述原纸主体的内侧设有抗菌层，所述原纸主体的外侧设有防水层，所述防水层的外侧设有加强层，所述加强层的外侧设有阻燃层，所述抗菌层由抗菌粘剂制得，所述防水层由纳米薄膜制得，所述加强层由面层浆制得，所述阻燃层由防火粘剂制得。
优选的，所述原纸主体包括漂白针叶木浆、漂白阔叶木浆、施胶剂AKD 和湿部功能性助剂，所述漂白针叶木浆比重30-45％，所述漂白阔叶木浆比重 55-70％，所述施胶剂AKD比重1.5％-3％，所述湿部功能性助剂主要为增湿剂，比重相对绝干浆1％-1.5％。
优选的，所述抗菌粘剂涂覆在原纸主体的内侧，所述抗菌粘剂主要为香草醛化合物粘剂。
优选的，所述纳米薄膜与原纸主体热压连接。
优选的，所述面层浆与纳米薄膜热压连接，所述面层浆包括漂白阔叶木浆、PET合成纤维和水溶PVA纤维，所述漂白阔叶木浆比重55-70％，所述 PET合成纤维比重20％-33％，所述水溶PVA纤维比重10％-15％，以上组分质量百分比之和为100％。
优选的，所述防火粘剂涂覆在加强层的外侧，所述防火粘剂包括硅酸钠化合物、钠离子固定剂、增塑剂和增强剂，所述硅酸钠比重70-80％，所述钠离子固定剂比重10-15％，所述增塑剂比重5-10％，所述增强剂比重7-12％。
优选的，所述硅酸钠化合物由氧化硅和氧化钠组成，并引入适量的硼酸、聚磷酸盐、多羟基化合物改性处理。
一种高强度医用包装纸的制备方法，步骤如下，S1.制备原纸主体，将漂白针叶木浆和漂白阔叶木浆先经过打浆、磨浆处理，磨浆叩解度65-75°SR，湿重2.2-3.0g，在上网前添加施胶剂AKD和湿部功能性助剂，再经过抄造、压榨、干燥处理，压力为80-130kg/cm，辊面温度为100-150℃，制得原纸主体；
S2.制备加强层，将漂白阔叶木浆、PET合成纤维和水溶PVA纤维按比例先经打浆、磨浆处理，叩解度20-25°SR，湿重10-13g，打浆浓度为4.0-6.0％，在上网前添加AKD原液及PAE原液，再经过抄造、压榨、干燥处理，压力为80-100kg/cm，辊面温度为100-150℃，制得加强层；
S3.覆膜防水层，在原纸主体挤压干燥成型后，将纳米薄膜挤压贴合在原纸主体上，并将干燥后的加强层覆盖在纳米薄膜上，并通过辊筒进行热压工作，使纳米薄膜分别与原纸主体和加强层粘合连接，压力为100-120kg/cm，辊面温度为60-90℃，制得防水加强纸；
S4.制备高强度医用包装纸，将步骤S3制得的防水加强纸经过软压光处理，压光的同时，将抗菌粘剂均匀地涂覆在防水加强纸底部，形成抗菌层；将防火粘剂均匀地涂覆在防水加强纸顶部，形成防火层，经过软压光处理后，得到所述高强度医用包装纸。
进一步的，所述防火粘剂中固含量为40-60％，粘度控制在500-1000cps，抗菌粘剂固含量为30-50％，粘度控制在300-500cps；总涂覆车速为 400-600m/min。
进一步的，所述高强度医用包装纸的原纸主体定量为15-25g/m，加强层定量为25-40g/m，抗菌层定量为10-15g/m，防火层定量为10-15g/m。
本发明提供了一种高强度医用包装纸及其制备方法。具备以下有益效果：
(1)通过加强层和防水层的设置，通过加强层增加包装纸的厚度，加强层与原纸主体之间包裹纳米薄膜，能够有效增加包装纸的韧性，在受到折叠挤压后任然能够有效防水阻挡细菌的入侵，起到便于高强度医用包装的效果。
(2)通过抗菌层和阻燃层的设置，采用香草醛或乙基香草醛类化合物粘剂构成的抗菌粘剂，并热压均匀涂覆在原纸内层，使用时能够直接抑制包装纸中有害物质，通过阻燃层能够有效防止火焰燃烧，起到高效抗菌和防火的效果。
具体实施方式
在本发明的描述中，需要说明的是，术语“顶部”、“底部”、“一侧”、“另一侧”、“前面”、“后面”、“中间部位”、“内部”、“顶端”、“底端”等指示的方位或位置关系为基于所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制；术语“第一”、“第二”、“第三”仅用于描述目的，而不能理解为指示或暗示相对重要性；此外，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。
一种阻燃性烟用接装纸原纸，包括原纸主体，原纸主体的内侧设有抗菌层，原纸主体的外侧设有防水层，防水层的外侧设有加强层，加强层的外侧设有阻燃层，抗菌层由抗菌粘剂制得，防水层由纳米薄膜制得，加强层由面层浆制得，阻燃层由防火粘剂制得。
根据本发明的上述方案，原纸主体包括漂白针叶木浆、漂白阔叶木浆、施胶剂AKD和湿部功能性助剂，漂白针叶木浆比重30-45％，漂白阔叶木浆比重55-70％，施胶剂AKD比重1.5％-3％，湿部功能性助剂主要为增湿剂，比重相对绝干浆1％-1.5％。
根据本发明的上述方案，抗菌粘剂涂覆在原纸主体的内侧，抗菌粘剂主要为香草醛化合物粘剂。
根据本发明的上述方案，纳米薄膜与原纸主体热压连接。
根据本发明的上述方案，面层浆与纳米薄膜热压连接，面层浆包括漂白阔叶木浆、PET合成纤维和水溶PVA纤维，漂白阔叶木浆比重55-70％，PET 合成纤维比重20％-33％，水溶PVA纤维比重10％-15％，以上组分质量百分比之和为100％。
根据本发明的上述方案，防火粘剂涂覆在加强层的外侧，防火粘剂包括硅酸钠化合物、钠离子固定剂、增塑剂和增强剂，硅酸钠比重70-80％，钠离子固定剂比重10-15％，增塑剂比重5-10％，增强剂比重7-12％。
根据本发明的上述方案，硅酸钠化合物由氧化硅和氧化钠组成，并引入适量的硼酸、聚磷酸盐、多羟基化合物改性处理。
一种高强度医用包装纸的制备方法，步骤如下，S1.制备原纸主体，将漂白针叶木浆和漂白阔叶木浆先经过打浆、磨浆处理，磨浆叩解度65-75°SR，湿重2.2-3.0g，在上网前添加施胶剂AKD和湿部功能性助剂，再经过抄造、压榨、干燥处理，压力为80-130kg/cm，辊面温度为100-150℃，制得原纸主体；
S2.制备加强层，将漂白阔叶木浆、PET合成纤维和水溶PVA纤维按比例先经打浆、磨浆处理，叩解度20-25°SR，湿重10-13g，打浆浓度为4.0-6.0％，在上网前添加AKD原液及PAE原液，再经过抄造、压榨、干燥处理，压力为80-100kg/cm，辊面温度为100-150℃，制得加强层；
S3.覆膜防水层，在原纸主体挤压干燥成型后，将纳米薄膜挤压贴合在原纸主体上，并将干燥后的加强层覆盖在纳米薄膜上，并通过辊筒进行热压工作，使纳米薄膜分别与原纸主体和加强层粘合连接，压力为100-120kg/cm，辊面温度为60-90℃，制得防水加强纸；
S4.制备高强度医用包装纸，将步骤S3制得的防水加强纸经过软压光处理，压光的同时，将抗菌粘剂均匀地涂覆在防水加强纸底部，形成抗菌层；将防火粘剂均匀地涂覆在防水加强纸顶部，形成防火层，经过软压光处理后，得到高强度医用包装纸。
根据本发明的上述方案，防火粘剂中固含量为40-60％，粘度控制在 500-1000cps，抗菌粘剂固含量为30-50％，粘度控制在300-500cps；总涂覆车速为400-600m/min。
根据本发明的上述方案，高强度医用包装纸的原纸主体定量为15-25g/m，加强层定量为25-40g/m，抗菌层定量为10-15g/m，防火层定量为10-15g/m。
最后应说明的是：以上仅为本发明的优选实施例而已，并不用于限定本发明，尽管参照前述实施例对本发明进行了详细的说明，对于本领域的技术人员来说，其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。
Claims (10)
1.一种高强度医用包装纸，包括原纸主体，其特征在于，所述原纸主体的内侧设有抗菌层，所述原纸主体的外侧设有防水层，所述防水层的外侧设有加强层，所述加强层的外侧设有阻燃层，所述抗菌层由抗菌粘剂制得，所述防水层由纳米薄膜制得，所述加强层由面层浆制得，所述阻燃层由防火粘剂制得。
2.根据权利要求1所述的一种高强度医用包装纸，其特征在于：所述原纸主体包括漂白针叶木浆、漂白阔叶木浆、施胶剂AKD和湿部功能性助剂，所述漂白针叶木浆比重30-45％，所述漂白阔叶木浆比重55-70％，所述施胶剂AKD比重1.5％-3％，所述湿部功能性助剂主要为增湿剂，比重相对绝干浆1％-1.5％。
3.根据权利要求1所述的一种高强度医用包装纸，其特征在于：所述抗菌粘剂涂覆在原纸主体的内侧，所述抗菌粘剂主要为香草醛化合物粘剂。
4.根据权利要求1所述的一种高强度医用包装纸，其特征在于：所述纳米薄膜与原纸主体热压连接。
5.根据权利要求所述的一种高强度医用包装纸，其特征在于：所述面层浆与纳米薄膜热压连接，所述面层浆包括漂白阔叶木浆、PET合成纤维和水溶PVA纤维，所述漂白阔叶木浆比重55-70％，所述PET合成纤维比重20％-33％，所述水溶PVA纤维比重10％-15％，以上组分质量百分比之和为100％。
6.根据权利要求1所述的一种高强度医用包装纸，其特征在于：所述防火粘剂涂覆在加强层的外侧，所述防火粘剂包括硅酸钠化合物、钠离子固定剂、增塑剂和增强剂，所述硅酸钠比重70-80％，所述钠离子固定剂比重10-15％，所述增塑剂比重5-10％，所述增强剂比重7-12％。
7.根据权利要求6所述的一种高强度医用包装纸，其特征在于：所述硅酸钠化合物由氧化硅和氧化钠组成，并引入适量的硼酸、聚磷酸盐、多羟基化合物改性处理。
8.权利要求1所述的一种高强度医用包装纸的制备方法，其特征在于：步骤如下，S1.制备原纸主体，将漂白针叶木浆和漂白阔叶木浆先经过打浆、磨浆处理，磨浆叩解度65-75°SR，湿重2.2-3.0g，在上网前添加施胶剂AKD和湿部功能性助剂，再经过抄造、压榨、干燥处理，压力为80-130kg/cm，辊面温度为100-150℃，制得原纸主体；
S2.制备加强层，将漂白阔叶木浆、PET合成纤维和水溶PVA纤维按比例先经打浆、磨浆处理，叩解度20-25°SR，湿重10-13g，打浆浓度为4.0-6.0％，在上网前添加AKD原液及PAE原液，再经过抄造、压榨、干燥处理，压力为80-100kg/cm，辊面温度为100-150℃，制得加强层；
S3.覆膜防水层，在原纸主体挤压干燥成型后，将纳米薄膜挤压贴合在原纸主体上，并将干燥后的加强层覆盖在纳米薄膜上，并通过辊筒进行热压工作，使纳米薄膜分别与原纸主体和加强层粘合连接，压力为100-120kg/cm，辊面温度为60-90℃，制得防水加强纸；
S4.制备高强度医用包装纸，将步骤S3制得的防水加强纸经过软压光处理，压光的同时，将抗菌粘剂均匀地涂覆在防水加强纸底部，形成抗菌层；将防火粘剂均匀地涂覆在防水加强纸顶部，形成防火层，经过软压光处理后，得到所述高强度医用包装纸。
9.根据权利要求7所述的一种高强度医用包装纸的制备方法，其特征在于：所述防火粘剂中固含量为40-60％，粘度控制在500-1000cps，抗菌粘剂固含量为30-50％，粘度控制在300-500cps；总涂覆车速为400-600m/min。
10.根据权利要求7所述的一种高强度医用包装纸的制备方法，其特征在于：所述高强度医用包装纸的原纸主体定量为15-25g/m，加强层定量为25-40g/m，抗菌层定量为10-15g/m，防火层定量为10-15g/m。
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