CN109457479A - 一种用于箱包的浆料及其制备方法 - Google Patents

一种用于箱包的浆料及其制备方法 Download PDF

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CN109457479A
CN109457479A CN201811156032.5A CN201811156032A CN109457479A CN 109457479 A CN109457479 A CN 109457479A CN 201811156032 A CN201811156032 A CN 201811156032A CN 109457479 A CN109457479 A CN 109457479A
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章涛
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Zhejiang Jia Run New Material Co Ltd
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Abstract

本发明公开了一种用于箱包的浆料及其制备方法,乳化剂十二烷基硫酸钠136~152份;乳化单体所述乳化单体包括丙烯酰胺530~560份,丙烯腈510~535份,苯乙烯1560~1630份,丙烯酸乙酯2260~2300份;水850~1000份;添加剂无水醋酸钠2~3份;草酸20~24份;氨水13~18份;引发剂24~28份;后消除促进剂0.01~0.03份;后消除氧化剂14~16份,后消除还原剂8~11份。本发明的制备的箱包浆料粘度适中,纤维粘合力强;2)在反应过程后期,以叔丁基过氧化氢为后消除氧化剂,因为反应后期温度控制在70℃,该后消除氧化剂热稳定性好,使用安全,易于控制;3)上浆稳定,水溶性好,渗透性强,使用方便,对环境污染小,有效减轻了后期的脱浆成本以及降低了对环境的影响。

Description

一种用于箱包的浆料及其制备方法
技术领域
本发明涉及薄膜技术领域,具体涉及一种用于箱包的浆料及其制备方法。
背景技术
浆料根据其用量的大小和用途分为主浆料(粘着剂)和辅助浆料(助剂),传统箱包浆料中的化学溶剂对人体有一定伤害。另外,也会含有大量的有机溶剂,这些有机溶剂不仅伤害工人健康,也污染周边环境。纺织上浆是织造工程的关键环节,浆纱的目的主要是提高纱线的耐磨性,目前纺织浆料主要分为淀粉类、聚乙烯醇(PVA)、聚丙烯酸三大类浆料,在国内外占据重要地位。但目前也存在一些问题,比如聚乙烯醇浆料不能生物降解,已引起严重环保问题,正在逐渐被取代;淀粉类浆料粘度波动大,糊化性能差。
发明内容
本发明要解决的技术问题是:研制开发一种用于箱包的浆料及其制备方法,该箱包浆料的粘度合适,对纤维进行粘合时候,上浆稳定,后续脱浆易于操作,环境污染小。
本发明的目的就是为了解决上述现有技术条件存在的问题,提供一种用于箱包的浆料及其制备方法。
为了达到上述目的,本发明采用了以下技术方案:
一种用于箱包的浆料,至少包括下述重量份的组分:乳化剂十二烷基硫酸钠136~152份;乳化单体所述乳化单体包括丙烯酰胺530~560份,丙烯腈510~535份,苯乙烯1560~1630份,丙烯酸乙酯2260~2300份;N-羟甲基丙烯酰胺200~260份;水850~1000份;添加剂无水醋酸钠2~3份;草酸20~24份;氨水13~18份;引发剂24~28份;后消除促进剂0.01~0.03份;后消除氧化剂14~16份,后消除还原剂8~11份。
优选的,所述引发剂为过硫酸钠,所述后消除促进剂为硫酸亚铁,所述后消除氧化剂为叔丁基过氧化氢,所述后消除还原剂为雕白粉。
一种用于箱包的浆料制备方法,包括下述制备步骤
1)乳化单体的准备
a、将经过冷却的脱离子水加入到乳化单体罐中,并启动搅拌;
b、依次加十二烷基硫酸钠、N-羟甲基丙烯酰胺、苯乙烯和丙烯酸乙酯到乳化单体罐,并持续搅拌;
2)添加剂的准备
a、准备反应釜的垫底水,垫底水包括工艺水和蒸汽冷凝水;
b、准备好添加剂、促进剂、后消除促进剂、后消除氧化剂以及后消除还原剂;
3)聚合反应
a、在反应釜中加入冷水,控制搅拌速度为30~50r/min,pH5.5~8.5;
b、蒸汽加热,控制温度为84~86℃,加入添加剂无水醋酸钠2~3份和溶解水55~65份,无水醋酸钠加入完毕后,加入冲洗水10~13份;
c、从单体罐中将乳化单体加入到反应釜中,引发剂分成两部分添加,在乳化单体添加完毕后,添加第一部分的过硫酸钠;
d、当釜温稳定在82~86℃时,继续添加乳化单体和第二部分的过硫酸钠,乳化单体的添加速度为20L/h,引发剂的添加速度为69L/h,滴加完毕;
e、控制反应釜温度为86℃,保温20min,将反应釜冷却至70℃,加入后消除促进剂即硫酸亚铁0.01~0.03份;后消除氧化剂即叔丁基过氧化氢14~16份;后消除还原剂即雕白粉8~11份;
f、加入后添加剂即草酸20~24份;
g、釜温低于45℃时,用滤网对反应釜的物料进行过滤,并将反应釜的物料输送至成品罐,搅拌1~2h,加入中和剂氨水13~18份,再进行测试及灌装。
优选的,步骤3)e,中的后消除氧化剂及后消除还原剂分为两组添加,其中,第一组:后消除氧化剂为4.8份,后消除还原剂为2.9份,第二组:后消除氧化剂为9.7份,后消除还原剂为5.8份。
优选的,所述第二组的后消除氧化剂滴加速度为95L/h,后消除还原剂滴加速度为150L/h。
本发明提供的用于箱包的浆料及其制备方法与现有产品相比,具备下述有益效果:1)本发明的制备的箱包浆料粘度适中,纤维粘合力强;2)在反应过程后期,以叔丁基过氧化氢为后消除氧化剂,因为反应后期温度控制在70℃,该后消除氧化剂热稳定性好,使用安全,易于控制;3)上浆稳定,水溶性好,渗透性强,使用方便,对环境污染小,有效减轻了后期的脱浆成本以及降低了对环境的影响。
具体实施方式
为了使本发明的目的、技术方案和优点更加清楚,以下结合实施例对本发明作进一步说明:
乳化单体和乳化剂的准备
表1各原料重量份列表
原料 重量份数
工艺水 852.0
乳化剂SDS(28%) 147.0
丙烯酰胺(29%) 552.0
丙烯腈 528.0
苯乙烯 1586.0
丙烯酸乙酯 2273.0
冲洗水 50.0
乳化单体的准备:
1)加冷的脱离子水到单体罐,启动搅拌,搅拌20min;
2)在搅拌过程中,加入147份乳化剂SDS(28%)、552份N-羟甲基丙烯酰胺(29%)、528份丙烯腈、苯乙烯1586份、丙烯酸乙酯2273份,添加原料的过程中,保持持续搅拌。
聚合反应
a、在反应釜中加入冷水,控制搅拌速度为30~50r/min,pH为5.5~8.5;
b、蒸汽加热,控制温度为84~86℃,加入添加剂无水醋酸钠2.2份和溶解水60份,无水醋酸钠加入完毕后,加入冲洗水11份;
c、从单体罐中将乳化单体加入到反应釜中,引发剂分成两部分添加,在乳化单体添加完毕后,添加第一部分的过硫酸钠18.2份;
d、当釜温稳定在82~86℃时,继续添加乳化单体和第二部分的过硫酸钠8份,乳化单体的添加速度为20L/h,引发剂的添加速度为69L/h,滴加完毕;
e、控制反应釜温度为86℃,保温20min,将反应釜冷却至70℃,加入后消除促进剂即硫酸亚铁0.02份;后消除氧化剂即叔丁基过氧化氢14~16份;后消除还原剂即雕白粉8~11份;后消除氧化剂及后消除还原剂分为两组添加,其中,第一组:后消除氧化剂为4.8份,后消除还原剂为2.9份,第二组:后消除氧化剂为9.7份,后消除还原剂为5.8份。所述第二组的后消除氧化剂滴加速度为95L/h,后消除还原剂滴加速度为150L/h。
f、加入后添加剂即草酸21.9份;
g、釜温低于45℃时,用滤网对反应釜的物料进行过滤,并将反应釜的物料输送至成品罐,搅拌1~2h,加入中和剂氨水16份,再进行测试及灌装。
测试结果如表2所示:
表2测试结果
测试项目 测试结果
PH值 2.5~4.0
粘度(cps) ≤200
固含量(%) 44.5~45.5(150℃,20min)
粒径 280~320nm
表2为性能测试结果,上述测试结果表明:用于箱包的浆料粘度为≤200cps,粒径280~320nm。
以上所述仅为本发明的优选实施方式,并非因此限制本发明的专利范围,凡是利用本发明所作的等效变换,均在本发明的专利保护范围内。

Claims (5)

1.一种用于箱包的浆料,其特征在于:至少包括下述重量份的组分:
乳化剂十二烷基硫酸钠136~152份;
乳化单体所述乳化单体包括丙烯酰胺530~560份,丙烯腈510~535份,苯乙烯1560~1630份,丙烯酸乙酯2260~2300份;
水850~1000份;
添加剂无水醋酸钠2~3份;草酸20~24份;氨水13~18份;引发剂24~28份;后消除促进剂0.01~0.03份;后消除氧化剂14~16份,后消除还原剂8~11份。
2.根据权利要求1所述的用于箱包的浆料,其特征在于:所述引发剂为过硫酸钠,所述后消除促进剂为硫酸亚铁,所述后消除氧化剂为叔丁基过氧化氢,所述后消除还原剂为雕白粉。
3.一种权利要求1或2任一项所述的用于箱包的浆料制备方法,其特征在于:包括下述制备步骤
1)乳化单体的准备
a、将经过冷却的脱离子水加入到乳化单体罐中,并启动搅拌;
b、依次加十二烷基硫酸钠、N-羟甲基丙烯酰胺、苯乙烯和丙烯酸乙酯到乳化单体罐,并持续搅拌;
2)添加剂的准备
a、准备反应釜的垫底水,垫底水包括工艺水和蒸汽冷凝水;
b、准备好添加剂、促进剂、后消除促进剂、后消除氧化剂以及后消除还原剂;
3)聚合反应
a、在反应釜中加入冷水,控制搅拌速度为30~50r/min,pH5.5~8.5;
b、蒸汽加热,控制温度为84~86℃,加入添加剂无水醋酸钠2~3份和溶解水55~65份,无水醋酸钠加入完毕后,加入冲洗水10~13份;
c、从单体罐中将乳化单体加入到反应釜中,引发剂分成两部分添加,在乳化单体添加完毕后,添加第一部分的过硫酸钠;
d、当釜温稳定在82~86℃时,继续添加乳化单体和第二部分的过硫酸钠,乳化单体的添加速度为20L/h,引发剂的添加速度为69L/h,滴加完毕;
e、控制反应釜温度为86℃,保温20min,将反应釜冷却至70℃,加入后消除促进剂即硫酸亚铁0.01~0.03份;后消除氧化剂即叔丁基过氧化氢14~16份;后消除还原剂即雕白粉8~11份;
f、加入后添加剂即草酸20~24份;
g、釜温低于45℃时,用滤网对反应釜的物料进行过滤,并将反应釜的物料输送至成品罐,搅拌1~2h,加入中和剂氨水13~18份,再进行测试及灌装。
4.根据权利要求3所述的用于箱包的浆料制备方法,其特征在于:所述步骤3)e中的后消除氧化剂及后消除还原剂分为两组添加,其中,第一组:后消除氧化剂为4.8份,后消除还原剂为2.9份,第二组:后消除氧化剂为9.7份,后消除还原剂为5.8份。
5.根据权利要求4所述的用于箱包的浆料制备方法,其特征在于:所述第二组的后消除氧化剂滴加速度为95L/h,后消除还原剂滴加速度为150L/h。
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