CN107189263A - 一种纸制品用防水包装材料的制备方法 - Google Patents

一种纸制品用防水包装材料的制备方法 Download PDF

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CN107189263A
CN107189263A CN201710469915.0A CN201710469915A CN107189263A CN 107189263 A CN107189263 A CN 107189263A CN 201710469915 A CN201710469915 A CN 201710469915A CN 107189263 A CN107189263 A CN 107189263A
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顾建芳
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Abstract

本发明公开了一种纸制品用防水包装材料的制备方法,原料为:PVC、月桂酸二丁基锡、山梨坦单月桂酸酯、亚磷酸一苯二异癸酯、烷基磺酸苯酯、MBS、ESBO、BPBG、TOTP、环氧十八酸丁酯、EVA、AC发泡剂、石油树脂、偏硼酸钡和着色剂;纵向拉伸强度30‑40MPa,横向拉伸强度20‑25MPa,纵向伸长率300‑500%,横向伸长率300‑400%;撕裂强度55‑65kN/m,缺口冲击强度6.5‑6.9kJ/m2;弯曲强度35‑40MPa,自然光老化12个月后拉伸强度损失0.01‑0.05%;100℃热老化两个月后拉伸强度损失0.1‑0.3%。

Description

一种纸制品用防水包装材料的制备方法
技术领域
本发明涉及包装用材料技术领域,尤其涉及一种纸制品用防水包装材料的制备方法。
背景技术
包装材料是指用于制造包装容器、包装装潢、包装印刷、包装运输等满足产品包装要求所使用的材料,它即包括金属、塑料、玻璃、陶瓷、纸、竹本、野生蘑类、天然纤维、化学纤维、复合材料等主要包装材料,又包括捆扎带、装潢、印刷材料等辅助材料。
防水包装是为防止水分浸入包装物影响内装物质量而采取一定防护措施的包装。
包装在运输、装卸、储存过程中,为防止外界雨、淡水、海水等渗入包装内,影响内装物资质量,采用某些防水材料作阻隔层,并用防水粘接剂或衬垫、密封等措施,以阻止水浸入包装内部。
为了防止因水侵入包装件而影响内装物品质,所采取一定防护措施的包装称为防水包装。防水包装属于外包装,一些具有保护性的内包装,例如防潮包装、防锈包装、防霉包装、防震包装等,可以与防水包装结合考虑,但不能代替。
我国聚氯乙烯树脂消费主要集中在华南和华东两个地区,广东、浙江、福建、山东和江苏等省份的消费合计约占全国总消费量的 70. 0%,其中,广东和福建省市场需求量最大,但产能不足,进口聚氯乙烯树脂所占比例较高; 江苏、山东和浙江省聚氯乙烯树脂加工工业比较发达,三省的消费量约占国内总消费量的 34. 0%; 华北地区产销基本平衡。随着中西部地区开发力度的加强以及大规模基础设施的兴建,中西部聚氯乙烯树脂的消费量将会逐渐增加。
随着中国经济高速发展以及人民生活质量的提高,对微波食品、休闲食品及冷冻食品等方便食品的需求量将不断增加,这将直接带动相关食品包装的需求,中国食品与包装机械业在今后的一段长时间内将维持正增长。预计“十一五”期间,中国包装工业的总产值可望达到4500亿元人民币,并保持年均7%的增长速度。从2011年到2015年,总产值可望突破6000亿元,每年平均增速约维持在16%的水平。
通常,外包装采用防雨水结构,内包装为了防止潮气的影响而采用防潮、防止金属的氧化而采用防锈、防止或抑制霉菌孢子发芽与生长而采用防霉等结构,它们的工艺措施并不完全相同。虽然液态的雨水和气态的水蒸气(潮湿空气)的物理化学性质是相同的,但它们对包装件的侵袭方式和现象是不同的。所以,防雨水包装结构不一定能兼防潮包装的作用。因为,防雨水包装只是单纯为了防止外界雨、雪、霜、露等渗入包装内侵蚀内装物,除非是采用气密性容器包装,它对外界潮湿空气的侵蚀是防止不了的,也不能起阻止作用。要想防止包装内的残存潮气及内装物蒸发出来的潮气对内装物的影响,还必须进行防潮、防锈和防霉包装等。
PVC曾是世界上产量最大的通用塑料,应用非常广泛。在建筑材料、工业制品、日用品、地板革、地板砖、人造革、管材、电线电缆、纸制品用防水包装材料、瓶、发泡材料、密封材料、纤维等方面均有广泛应用。
进行防水包装时,需要了解流通环境的降雨气候特点,例如降雨强度情况、降雨分布、持续降雨日数情况。在空投物资时,包装件可能会在水中浸泡一定的时间,这时就要求包装件具有相当的浸水能力。
聚氯乙烯树脂行业属于基础型和能源密集型产业,受需求和能源价格影响较大,同时又是基础化工原料,因此与经济发展关联也非常紧密。从 2012 年的情况来看,由于国内聚氯乙烯树脂产能仍不断减少,而下游需求增长相对缓慢,加之出口受阻,进口增加,因此国内聚氯乙烯树脂企业整体开工率不高,产能闲置数量较大,市场价格也始终保持中低位徘徊,价格波动区间减小,另外,聚氯乙烯树脂期货的上市在一定程度上增加了聚氯乙烯树脂市场价格波动的不确定性。我国聚氯乙烯树脂行业仍将处于一个较为艰难的整合期,将有多种因素影响到我国未来聚氯乙烯树脂的发展。
发明内容
本发明提供一种耐热老化、拉伸强度高、冲击强度高和硬度高的纸制品用防水包装材料的制备方法,解决现有防水包装用材料的制备方法硬度低和拉伸强度低等技术问题。
本发明采用以下技术方案:一种纸制品用防水包装材料的制备方法,包括如下步骤:
第一步:按照质量份数配比称取PVC100份,月桂酸二丁基锡0.5-2.5份,山梨坦单月桂酸酯4-8份,亚磷酸一苯二异癸酯15-25份,烷基磺酸苯酯8-12份,MBS为8-12份,ESBO2-6份,BPBG10-30份,TOTP4-8份,环氧十八酸丁酯3-7份,EVA10-15份,AC发泡剂为2-8份,石油树脂20-60份,偏硼酸钡5-25份,着色剂0.1-0.5份;
第二步:将PVC投入高速捏合机中,升温至85-105℃,加入剩余原料,升温至130-140℃,捏合速度860-900r/min,捏合20-30min,捏合后的材料二辊塑炼,前辊温度为185-195℃,转速18-20 r/min,后辊175-185℃,转速24-26 r/min,混炼20-30min;
第三步:然后在挤出机挤出片材,料筒温度140-150℃、150-170℃、170-190℃,连接器温度175-185℃、185-195℃,机头温度180-190℃、185-195℃、190-200℃。
作为本发明的一种优选技术方案:所述纸制品用防水包装材料的制备方法的原料按质量份数配比如下:PVC100份,月桂酸二丁基锡0.5份,山梨坦单月桂酸酯4份,亚磷酸一苯二异癸酯15份,烷基磺酸苯酯8份,MBS为8份,ESBO2份,BPBG10份,TOTP4份,环氧十八酸丁酯3份,EVA10份,AC发泡剂为2份,石油树脂20份,偏硼酸钡5份,着色剂0.1份。
作为本发明的一种优选技术方案:所述纸制品用防水包装材料的制备方法的原料按质量份数配比如下:PVC100份,月桂酸二丁基锡2.5份,山梨坦单月桂酸酯8份,亚磷酸一苯二异癸酯25份,烷基磺酸苯酯12份,MBS为12份,ESBO6份,BPBG30份,TOTP8份,环氧十八酸丁酯7份,EVA15份,AC发泡剂为8份,石油树脂60份,偏硼酸钡25份,着色剂0.5份。
作为本发明的一种优选技术方案:所述纸制品用防水包装材料的制备方法的原料按质量份数配比如下:PVC100份,月桂酸二丁基锡1.5份,山梨坦单月桂酸酯6份,亚磷酸一苯二异癸酯20份,烷基磺酸苯酯10份,MBS为10份,ESBO4份,BPBG20份,TOTP6份,环氧十八酸丁酯5份,EVA12份,AC发泡剂为5份,石油树脂40份,偏硼酸钡15份,着色剂0.3份。
作为本发明的一种优选技术方案:所述着色剂采用日落黄。
有益效果
本发明所述一种纸制品用防水包装材料的制备方法采用以上技术方案与现有技术相比,具有以下技术效果:1、制备方法简单,节省人力物力,纵向拉伸强度30-40MPa,横向拉伸强度20-25MPa,纵向伸长率300-500%,横向伸长率300-400%;2、燃烧离火自熄,撕裂强度55-65kN/m,缺口冲击强度6.5-6.9kJ/m2;3、弯曲强度35-40MPa,原料来源广泛,成本低廉,自然光老化12个月后拉伸强度损失0.01-0.05%;4、可以在各种极端环境下广泛使用,100℃热老化两个月后拉伸强度损失0.1-0.3%,可以广泛生产并不断代替现有纸制品用防水包装材料。
具体实施方式
以下结合实例对本发明作进一步的描述,实施例仅用于对本发明进行说明,并不构成对权利要求范围的限制,本领域技术人员可以想到的其他替代手段,均在本发明权利要求范围内。
实施例1:
第一步:按照质量份数配比称取PVC100份,月桂酸二丁基锡0.5份,山梨坦单月桂酸酯4份,亚磷酸一苯二异癸酯15份,烷基磺酸苯酯8份,MBS为8份,ESBO2份,BPBG10份,TOTP4份,环氧十八酸丁酯3份,EVA10份,AC发泡剂为2份,石油树脂20份,偏硼酸钡5份,日落黄0.1份。
第二步:将PVC投入高速捏合机中,升温至85-105℃,加入剩余原料,升温至130-140℃,捏合速度860-900r/min,捏合20-30min,捏合后的材料二辊塑炼,前辊温度为185-195℃,转速18-20 r/min,后辊175-185℃,转速24-26 r/min,混炼20-30min;
第三步:然后在挤出机挤出片材,料筒温度140-150℃、150-170℃、170-190℃,连接器温度175-185℃、185-195℃,机头温度180-190℃、185-195℃、190-200℃。
制备方法简单,节省人力物力,纵向拉伸强度30MPa,横向拉伸强度20MPa,纵向伸长率300%,横向伸长率300%;燃烧离火自熄,撕裂强度55kN/m,缺口冲击强度6.5kJ/m2;弯曲强度35MPa,原料来源广泛,成本低廉,自然光老化12个月后拉伸强度损失0.05%;可以在各种极端环境下广泛使用,100℃热老化两个月后拉伸强度损失0.3%,可以广泛生产并不断代替现有纸制品用防水包装材料。
实施例2:
第一步:按照质量份数配比称取PVC100份,月桂酸二丁基锡2.5份,山梨坦单月桂酸酯8份,亚磷酸一苯二异癸酯25份,烷基磺酸苯酯12份,MBS为12份,ESBO6份,BPBG30份,TOTP8份,环氧十八酸丁酯7份,EVA15份,AC发泡剂为8份,石油树脂60份,偏硼酸钡25份,日落黄0.5份。
第二步:将PVC投入高速捏合机中,升温至85-105℃,加入剩余原料,升温至130-140℃,捏合速度860-900r/min,捏合20-30min,捏合后的材料二辊塑炼,前辊温度为185-195℃,转速18-20 r/min,后辊175-185℃,转速24-26 r/min,混炼20-30min;
第三步:然后在挤出机挤出片材,料筒温度140-150℃、150-170℃、170-190℃,连接器温度175-185℃、185-195℃,机头温度180-190℃、185-195℃、190-200℃。
制备方法简单,节省人力物力,纵向拉伸强度35MPa,横向拉伸强度23MPa,纵向伸长率400%,横向伸长率350%;燃烧离火自熄,,撕裂强度60kN/m,缺口冲击强度6.7kJ/m2;弯曲强度38MPa,原料来源广泛,成本低廉,自然光老化12个月后拉伸强度损失0.03%;可以在各种极端环境下广泛使用,100℃热老化两个月后拉伸强度损失0.2%,可以广泛生产并不断代替现有纸制品用防水包装材料。
实施例3:
第一步:按照质量份数配比称取PVC100份,月桂酸二丁基锡1.5份,山梨坦单月桂酸酯6份,亚磷酸一苯二异癸酯20份,烷基磺酸苯酯10份,MBS为10份,ESBO4份,BPBG20份,TOTP6份,环氧十八酸丁酯5份,EVA12份,AC发泡剂为5份,石油树脂40份,偏硼酸钡15份,日落黄0.3份。
第二步:将PVC投入高速捏合机中,升温至85-105℃,加入剩余原料,升温至130-140℃,捏合速度860-900r/min,捏合20-30min,捏合后的材料二辊塑炼,前辊温度为185-195℃,转速18-20 r/min,后辊175-185℃,转速24-26 r/min,混炼20-30min;
第三步:然后在挤出机挤出片材,料筒温度140-150℃、150-170℃、170-190℃,连接器温度175-185℃、185-195℃,机头温度180-190℃、185-195℃、190-200℃。
制备方法简单,节省人力物力,纵向拉伸强度40MPa,横向拉伸强度25MPa,纵向伸长率500%,横向伸长率400%;燃烧离火自熄,,撕裂强度65kN/m,缺口冲击强度6.9kJ/m2;弯曲强度40MPa,原料来源广泛,成本低廉,自然光老化12个月后拉伸强度损失0.01%;可以在各种极端环境下广泛使用,100℃热老化两个月后拉伸强度损失0.1%,可以广泛生产并不断代替现有纸制品用防水包装材料。

Claims (5)

1.一种纸制品用防水包装材料的制备方法,其特征在于,包括如下步骤:
第一步:按照质量份数配比称取PVC100份,月桂酸二丁基锡0.5-2.5份,山梨坦单月桂酸酯4-8份,亚磷酸一苯二异癸酯15-25份,烷基磺酸苯酯8-12份,MBS为8-12份,ESBO2-6份,BPBG10-30份,TOTP4-8份,环氧十八酸丁酯3-7份,EVA10-15份,AC发泡剂为2-8份,石油树脂20-60份,偏硼酸钡5-25份,着色剂0.1-0.5份;
第二步:将PVC投入高速捏合机中,升温至85-105℃,加入剩余原料,升温至130-140℃,捏合速度860-900r/min,捏合20-30min,捏合后的材料二辊塑炼,前辊温度为185-195℃,转速18-20 r/min,后辊175-185℃,转速24-26 r/min,混炼20-30min;
第三步:然后在挤出机挤出片材,料筒温度140-150℃、150-170℃、170-190℃,连接器温度175-185℃、185-195℃,机头温度180-190℃、185-195℃、190-200℃。
2.根据权利要求1所述的一种纸制品用防水包装材料的制备方法,其特征在于,所述纸制品用防水包装材料的制备方法的原料按质量份数配比如下:PVC100份,月桂酸二丁基锡0.5份,山梨坦单月桂酸酯4份,亚磷酸一苯二异癸酯15份,烷基磺酸苯酯8份,MBS为8份,ESBO2份,BPBG10份,TOTP4份,环氧十八酸丁酯3份,EVA10份,AC发泡剂为2份,石油树脂20份,偏硼酸钡5份,着色剂0.1份。
3.根据权利要求1所述的一种纸制品用防水包装材料的制备方法,其特征在于,所述纸制品用防水包装材料的制备方法的原料按质量份数配比如下:PVC100份,月桂酸二丁基锡2.5份,山梨坦单月桂酸酯8份,亚磷酸一苯二异癸酯25份,烷基磺酸苯酯12份,MBS为12份,ESBO6份,BPBG30份,TOTP8份,环氧十八酸丁酯7份,EVA15份,AC发泡剂为8份,石油树脂60份,偏硼酸钡25份,着色剂0.5份。
4.根据权利要求1所述的一种纸制品用防水包装材料的制备方法,其特征在于,所述纸制品用防水包装材料的制备方法的原料按质量份数配比如下:PVC100份,月桂酸二丁基锡1.5份,山梨坦单月桂酸酯6份,亚磷酸一苯二异癸酯20份,烷基磺酸苯酯10份,MBS为10份,ESBO4份,BPBG20份,TOTP6份,环氧十八酸丁酯5份,EVA12份,AC发泡剂为5份,石油树脂40份,偏硼酸钡15份,着色剂0.3份。
5.根据权利要求1所述的一种纸制品用防水包装材料的制备方法,其特征在于,所述着色剂采用日落黄。
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