CN109228589B - 一种使用寿命长的人造革的加工制造方法 - Google Patents

一种使用寿命长的人造革的加工制造方法 Download PDF

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CN109228589B
CN109228589B CN201811016587.XA CN201811016587A CN109228589B CN 109228589 B CN109228589 B CN 109228589B CN 201811016587 A CN201811016587 A CN 201811016587A CN 109228589 B CN109228589 B CN 109228589B
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孙桂芝
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Abstract

本发明公开了一种使用寿命长的人造革的加工制造方法,包括如下步骤:(1)浆料制备、(2)人造革本体制备、(3)粘合剂制备、(4)成品人造革制备。本发明提供了一种人造革的加工制备方法,其工艺简单,各步骤搭配合理,便于推广应用,制得的人造革的强度高,耐水、耐溶剂性强,使用品质稳定,不易剥离,表面光滑耐磨,寿命长,极具市场竞争力和生产效益。

Description

一种使用寿命长的人造革的加工制造方法
技术领域
本发明属于人造革加工处理技术领域,具体涉及一种使用寿命长的人造革的加工制造方法。
背景技术
人造革是一种外观,手感似皮革并可代替其使用的塑料制品,上世纪八十年代,昂贵的皮衣皮料一般人消费不起,类似皮革的人造革流行起来,被广泛应用于制衣、制包,同时这样的高仿真型皮衣、皮包大幅满足了人们穿皮戴皮的愿望,但是与皮革相比,人造革强度低、易老化、剥离磨损,随着人们生活水平的提高,其制品因不耐用而逐渐失去市场。随着技术的发展,现有的人造革产品性能不断提升,制品又重新进行市场角逐,因此需要不断的提升性能才能在激烈的市场竞争中生存。
发明内容
本发明的目的是针对现有的问题,提供了一种使用寿命长的人造革的加工制造方法。
本发明是通过以下技术方案实现的:
一种使用寿命长的人造革的加工制造方法,包括如下步骤:
(1)浆料制备:
按对应重量份称取下列物质:45~50份聚氯乙烯树脂粉、6~9份环氧大豆油、1~2份颜料膏、4~7份羧甲基纤维素钠、5~8份爽滑剂,然后将上述成分共同投入到高速搅拌机内进行搅拌处理,2~3h后取出得浆料备用;
(2)人造革本体制备:
将步骤(1)制得的浆料涂刷在离型纸上,然后经过压延机热压平整后得到人造革本体备用;
(3)粘合剂制备:
a.先将硅藻粉投入到研磨机内进行研磨处理,然后过粒径为1~5μm的滤筛后得到超细硅藻粉备用;
b.将操作a所得的超细硅藻粉投入到混合液A中,然后超声处理1~1.5h后滤出,得滤料B备用;所述的混合液A由如下重量份的物质组成:0.2~0.4份磷酸、0.1~0.3份植酸、200~220份去离子水;
c.将操作b所得的滤料B放入到搅拌罐内,然后向搅拌罐内加入滤料B总质量5~6倍的乙醇溶液,不断搅拌处理25~30min后离心过滤,得滤料C备用;
d.将石墨烯、操作c所得的滤料C、N,N-二甲基甲酰胺、十二烷基三甲基溴化铵、茶多酚、去离子水对应按照重量比6~8:2~4:50~55:3~6:1~3:90~100进行混合投入到三口烧瓶中,并将三口烧瓶置于60~65℃的水浴锅中,同时进行超声处理,50~55min后进行抽滤,最后对抽滤物进行烘干后得特性添加料备用;
e.将甲苯二异氰酸酯、聚己二酸乙二醇酯、二乙二醇、三乙胺、操作d制得的特性添加料对应按照重量比40~45:80~85:6~9:1~3:4~7进行混合投入到四口圆底烧瓶中,然后加热保持四口圆底烧瓶内的温度为82~86℃,不断搅拌处理2~3h后取出得聚氨酯预聚体备用;
f.将操作e所得的聚氨酯预聚体冷却至常温后放入到反应釜内,然后加入其总质量8~12%的中和剂,搅拌处理20~25min后,再加入其总质量1.3~1.5倍的去离子水,不断搅拌处理40~45min后得水性聚氨酯乳液备用;
g.将操作f所得的水性聚氨酯乳液放入到搅拌罐内,然后向搅拌罐内加入水性聚氨酯乳液总质量1~1.5%的流平剂、2~3%的增稠剂、0.5~1%的消泡剂,以2700~2900转/分钟的转速高速搅拌处理1~2h后取出得粘合剂备用;
(4)成品人造革制备:
a.先将步骤(2)制得的人造革本体放入到辐照箱内进行辐照处理,15~20min后取出备用;
b.将步骤(3)制得的粘合剂涂刷在操作a处理后的人造革本体上,然后再覆盖贴压上一层基布,最后将其共同放入到烘干机内进行烘干处理,1~1.5h后取出,自然冷却后剥去离型纸即可。
进一步的,步骤(3)操作b中所述的超声处理的频率为240~270kHz。
进一步的,步骤(3)操作c中所述的乙醇溶液的体积分数为60~65%。
进一步的,步骤(3)操作d中所述的石墨烯的颗粒粒径为600~800目,所述的超声处理的频率为420~460kHz。
进一步的,步骤(3)操作e中所述的四口圆底烧瓶内始终保持为氮气环境。
进一步的,步骤(3)操作f中所述的中和剂为三乙醇胺。
进一步的,步骤(3)操作g中所述的流平剂为有机硅流平剂,所述的增稠剂为羧甲基纤维素钠,所述的消泡剂为聚氧乙烯聚氧丙醇胺醚。
进一步的,步骤(4)操作a中所述的辐照处理是用137Cs-γ射线进行辐照处理,其辐照的总剂量为2~2.5kGy。
进一步的,步骤(4)操作b中所述的烘干处理时控制烘干机内的温度为120~130℃。
现有人造革的方法较为粗犷,对于各个步骤、原料等的处理不佳,导致整体性能无法明显提升,对此本发明对整体的加工制造方法进行了改进,改善了人造革的使用性能。其中制备了一种粘合剂,是一种水性聚氨酯粘合剂,粘合剂关系人造革的强度、稳定性等,本发明改善了粘合剂的制备方法,其中尤其添加制备了一种特性添加料成分,此成分是以石墨烯为基体改性而成,石墨烯是常见的填料成分,虽然有人将其应用于粘合剂的添加中,但因石墨烯自身特性的原因,导致填充的相容性不佳,对粘合剂的增强效果有限,而本申请进行了改性,提升了石墨烯的添加使用效果。具体是先对硅藻粉进行粉碎、酸浸处理,去除了硅藻粉内部含有的蛋白质、脂肪等成分,提升了硅藻粉的比表面积和吸附能力,活化了硅藻粉的表面特性,促进了粗多糖的浸出,提高了硅藻粉表面氨基、酰胺基、羰基、羟基等活性官能团的含量及比例,为后续的处理奠定了基础,之后将处理后的硅藻粉与石墨烯、茶多酚等成分共同复合,使得硅藻粉、茶多酚等插层、接枝固定于石墨烯上,显著提升了石墨烯的比表面积、吸附能力、表面活性和反应能力,促进了石墨烯与聚氨酯分子链间的交联固定强力,提高了膜层的致密度及粘结能力等,最终改善了聚氨酯的使用效果,增强了粘合剂的使用品质;之后在粘合剂使用前,又先对人造革本体进行了辐照处理,利用137Cs-γ射线进行辐照处理,有效的提升了人造革本体表面的活性及活性基团含量,进一步增强了与粘合剂间的结合强力,提升了人造革的综合使用品质。
本发明相比现有技术具有以下优点:
本发明提供了一种人造革的加工制备方法,其工艺简单,各步骤搭配合理,便于推广应用,制得的人造革的强度高,耐水、耐溶剂性强,使用品质稳定,不易剥离,表面光滑耐磨,寿命长,极具市场竞争力和生产效益。
具体实施方式
实施例1
一种使用寿命长的人造革的加工制造方法,包括如下步骤:
(1)浆料制备:
按对应重量份称取下列物质:45份聚氯乙烯树脂粉、6份环氧大豆油、1份颜料膏、4份羧甲基纤维素钠、5份爽滑剂,然后将上述成分共同投入到高速搅拌机内进行搅拌处理,2h后取出得浆料备用;
(2)人造革本体制备:
将步骤(1)制得的浆料涂刷在离型纸上,然后经过压延机热压平整后得到人造革本体备用;
(3)粘合剂制备:
a.先将硅藻粉投入到研磨机内进行研磨处理,然后过粒径为1~5μm的滤筛后得到超细硅藻粉备用;
b.将操作a所得的超细硅藻粉投入到混合液A中,然后超声处理1h后滤出,得滤料B备用;所述的混合液A由如下重量份的物质组成:0.2份磷酸、0.1份植酸、200份去离子水;
c.将操作b所得的滤料B放入到搅拌罐内,然后向搅拌罐内加入滤料B总质量5倍的乙醇溶液,不断搅拌处理25min后离心过滤,得滤料C备用;
d.将石墨烯、操作c所得的滤料C、N,N-二甲基甲酰胺、十二烷基三甲基溴化铵、茶多酚、去离子水对应按照重量比6:2:50:3:1:90进行混合投入到三口烧瓶中,并将三口烧瓶置于60℃的水浴锅中,同时进行超声处理,50min后进行抽滤,最后对抽滤物进行烘干后得特性添加料备用;
e.将甲苯二异氰酸酯、聚己二酸乙二醇酯、二乙二醇、三乙胺、操作d制得的特性添加料对应按照重量比40:80:6:1:4进行混合投入到四口圆底烧瓶中,然后加热保持四口圆底烧瓶内的温度为82℃,不断搅拌处理2h后取出得聚氨酯预聚体备用;
f.将操作e所得的聚氨酯预聚体冷却至常温后放入到反应釜内,然后加入其总质量8%的中和剂,搅拌处理20min后,再加入其总质量1.3倍的去离子水,不断搅拌处理40min后得水性聚氨酯乳液备用;
g.将操作f所得的水性聚氨酯乳液放入到搅拌罐内,然后向搅拌罐内加入水性聚氨酯乳液总质量1%的流平剂、2%的增稠剂、0.5%的消泡剂,以2700转/分钟的转速高速搅拌处理1h后取出得粘合剂备用;
(4)成品人造革制备:
a.先将步骤(2)制得的人造革本体放入到辐照箱内进行辐照处理,15min后取出备用;
b.将步骤(3)制得的粘合剂涂刷在操作a处理后的人造革本体上,然后再覆盖贴压上一层基布,最后将其共同放入到烘干机内进行烘干处理,1h后取出,自然冷却后剥去离型纸即可。
进一步的,步骤(3)操作b中所述的超声处理的频率为240kHz。
进一步的,步骤(3)操作c中所述的乙醇溶液的体积分数为60%。
进一步的,步骤(3)操作d中所述的石墨烯的颗粒粒径为600目,所述的超声处理的频率为420kHz。
进一步的,步骤(3)操作e中所述的四口圆底烧瓶内始终保持为氮气环境。
进一步的,步骤(3)操作f中所述的中和剂为三乙醇胺。
进一步的,步骤(3)操作g中所述的流平剂为有机硅流平剂,所述的增稠剂为羧甲基纤维素钠,所述的消泡剂为聚氧乙烯聚氧丙醇胺醚。
进一步的,步骤(4)操作a中所述的辐照处理是用137Cs-γ射线进行辐照处理,其辐照的总剂量为2kGy。
进一步的,步骤(4)操作b中所述的烘干处理时控制烘干机内的温度为120℃。
实施例2
一种使用寿命长的人造革的加工制造方法,包括如下步骤:
(1)浆料制备:
按对应重量份称取下列物质:48份聚氯乙烯树脂粉、8份环氧大豆油、1.5份颜料膏、6份羧甲基纤维素钠、7份爽滑剂,然后将上述成分共同投入到高速搅拌机内进行搅拌处理,2.5h后取出得浆料备用;
(2)人造革本体制备:
将步骤(1)制得的浆料涂刷在离型纸上,然后经过压延机热压平整后得到人造革本体备用;
(3)粘合剂制备:
a.先将硅藻粉投入到研磨机内进行研磨处理,然后过粒径为1~5μm的滤筛后得到超细硅藻粉备用;
b.将操作a所得的超细硅藻粉投入到混合液A中,然后超声处理1.3h后滤出,得滤料B备用;所述的混合液A由如下重量份的物质组成:0.3份磷酸、0.2份植酸、210份去离子水;
c.将操作b所得的滤料B放入到搅拌罐内,然后向搅拌罐内加入滤料B总质量5.5倍的乙醇溶液,不断搅拌处理28min后离心过滤,得滤料C备用;
d.将石墨烯、操作c所得的滤料C、N,N-二甲基甲酰胺、十二烷基三甲基溴化铵、茶多酚、去离子水对应按照重量比7:3:52:5:2:95进行混合投入到三口烧瓶中,并将三口烧瓶置于62℃的水浴锅中,同时进行超声处理,53min后进行抽滤,最后对抽滤物进行烘干后得特性添加料备用;
e.将甲苯二异氰酸酯、聚己二酸乙二醇酯、二乙二醇、三乙胺、操作d制得的特性添加料对应按照重量比42:81:7:2:6进行混合投入到四口圆底烧瓶中,然后加热保持四口圆底烧瓶内的温度为84℃,不断搅拌处理2.5h后取出得聚氨酯预聚体备用;
f.将操作e所得的聚氨酯预聚体冷却至常温后放入到反应釜内,然后加入其总质量10%的中和剂,搅拌处理23min后,再加入其总质量1.4倍的去离子水,不断搅拌处理42min后得水性聚氨酯乳液备用;
g.将操作f所得的水性聚氨酯乳液放入到搅拌罐内,然后向搅拌罐内加入水性聚氨酯乳液总质量1.3%的流平剂、2.6%的增稠剂、0.8%的消泡剂,以2800转/分钟的转速高速搅拌处理1~2h后取出得粘合剂备用;
(4)成品人造革制备:
a.先将步骤(2)制得的人造革本体放入到辐照箱内进行辐照处理,18min后取出备用;
b.将步骤(3)制得的粘合剂涂刷在操作a处理后的人造革本体上,然后再覆盖贴压上一层基布,最后将其共同放入到烘干机内进行烘干处理,1.3h后取出,自然冷却后剥去离型纸即可。
进一步的,步骤(3)操作b中所述的超声处理的频率为260kHz。
进一步的,步骤(3)操作c中所述的乙醇溶液的体积分数为63%。
进一步的,步骤(3)操作d中所述的石墨烯的颗粒粒径为700目,所述的超声处理的频率为440kHz。
进一步的,步骤(3)操作e中所述的四口圆底烧瓶内始终保持为氮气环境。
进一步的,步骤(3)操作f中所述的中和剂为三乙醇胺。
进一步的,步骤(3)操作g中所述的流平剂为有机硅流平剂,所述的增稠剂为羧甲基纤维素钠,所述的消泡剂为聚氧乙烯聚氧丙醇胺醚。
进一步的,步骤(4)操作a中所述的辐照处理是用137Cs-γ射线进行辐照处理,其辐照的总剂量为2.3kGy。
进一步的,步骤(4)操作b中所述的烘干处理时控制烘干机内的温度为125℃。
实施例3
一种使用寿命长的人造革的加工制造方法,包括如下步骤:
(1)浆料制备:
按对应重量份称取下列物质:50份聚氯乙烯树脂粉、9份环氧大豆油、2份颜料膏、7份羧甲基纤维素钠、8份爽滑剂,然后将上述成分共同投入到高速搅拌机内进行搅拌处理,3h后取出得浆料备用;
(2)人造革本体制备:
将步骤(1)制得的浆料涂刷在离型纸上,然后经过压延机热压平整后得到人造革本体备用;
(3)粘合剂制备:
a.先将硅藻粉投入到研磨机内进行研磨处理,然后过粒径为1~5μm的滤筛后得到超细硅藻粉备用;
b.将操作a所得的超细硅藻粉投入到混合液A中,然后超声处理1.5h后滤出,得滤料B备用;所述的混合液A由如下重量份的物质组成:0.4份磷酸、0.3份植酸、220份去离子水;
c.将操作b所得的滤料B放入到搅拌罐内,然后向搅拌罐内加入滤料B总质量6倍的乙醇溶液,不断搅拌处理30min后离心过滤,得滤料C备用;
d.将石墨烯、操作c所得的滤料C、N,N-二甲基甲酰胺、十二烷基三甲基溴化铵、茶多酚、去离子水对应按照重量比8:4:55:6:3:100进行混合投入到三口烧瓶中,并将三口烧瓶置于65℃的水浴锅中,同时进行超声处理,55min后进行抽滤,最后对抽滤物进行烘干后得特性添加料备用;
e.将甲苯二异氰酸酯、聚己二酸乙二醇酯、二乙二醇、三乙胺、操作d制得的特性添加料对应按照重量比45:85:9:3:7进行混合投入到四口圆底烧瓶中,然后加热保持四口圆底烧瓶内的温度为86℃,不断搅拌处理3h后取出得聚氨酯预聚体备用;
f.将操作e所得的聚氨酯预聚体冷却至常温后放入到反应釜内,然后加入其总质量12%的中和剂,搅拌处理25min后,再加入其总质量1.5倍的去离子水,不断搅拌处理45min后得水性聚氨酯乳液备用;
g.将操作f所得的水性聚氨酯乳液放入到搅拌罐内,然后向搅拌罐内加入水性聚氨酯乳液总质量1.5%的流平剂、3%的增稠剂、1%的消泡剂,以2900转/分钟的转速高速搅拌处理2h后取出得粘合剂备用;
(4)成品人造革制备:
a.先将步骤(2)制得的人造革本体放入到辐照箱内进行辐照处理,20min后取出备用;
b.将步骤(3)制得的粘合剂涂刷在操作a处理后的人造革本体上,然后再覆盖贴压上一层基布,最后将其共同放入到烘干机内进行烘干处理,1.5h后取出,自然冷却后剥去离型纸即可。
进一步的,步骤(3)操作b中所述的超声处理的频率为270kHz。
进一步的,步骤(3)操作c中所述的乙醇溶液的体积分数为65%。
进一步的,步骤(3)操作d中所述的石墨烯的颗粒粒径为800目,所述的超声处理的频率为460kHz。
进一步的,步骤(3)操作e中所述的四口圆底烧瓶内始终保持为氮气环境。
进一步的,步骤(3)操作f中所述的中和剂为三乙醇胺。
进一步的,步骤(3)操作g中所述的流平剂为有机硅流平剂,所述的增稠剂为羧甲基纤维素钠,所述的消泡剂为聚氧乙烯聚氧丙醇胺醚。
进一步的,步骤(4)操作a中所述的辐照处理是用137Cs-γ射线进行辐照处理,其辐照的总剂量为2.5kGy。
进一步的,步骤(4)操作b中所述的烘干处理时控制烘干机内的温度为130℃。
对比实施例1
本对比实施例1与实施例2相比,在步骤(3)粘合剂制备的操作d中,用等质量份的市售硅藻粉取代操作d中的操作c所得的滤料C成分,除此外的方法步骤均相同。
对比实施例2
本对比实施例2与实施例2相比,在步骤(3)粘合剂制备的操作d中,省去了茶多酚成分,除此外的方法步骤均相同。
对比实施例3
本对比实施例3与实施例2相比,在步骤(3)粘合剂制备的操作e中,用等质量份的市售石墨烯取代操作d制得的特性添加料成分,除此外的方法步骤均相同。
对比实施例4
本对比实施例4与实施例2相比,在步骤(4)成品人造革制备中,省去了操作a的处理,除此外的方法步骤均相同。
为了对比本发明效果,对上述实施例2、对比实施例1、对比实施例2、对比实施例3、对比实施例4对应制得的人造革进行性能测试,具体对比数据如下表1所示:
表1
Figure DEST_PATH_IMAGE001
注:上表1中所述的剥离强度参照GB/T 2791-1995对上述制成的人造革试样进行测试;所述的耐水值是将人造革试件放入去离子水中,室温 20℃,24 h,取出自然干燥,然后按照 GB/T 2791-1995 的方法测试其剥离强度,该剥离强度与相同条件下未经水处理试件剥离强度的比值,用以表征人造革的耐水性能,耐水值 = F 0 /F 1,式中: F 0——经水处理的试件的剥离强度,N/25 mm,F 1——未经水处理的试件的剥离强度,N/25 mm;所述的耐增塑剂值是将人造革试件放入DOP 中,室温 20 ℃,24 h,取出后用滤纸吸干表面 DOP,然后按照 GB/T 2791-1995 的方法测试其剥离强度,该粘合强度与相同条件下未经 DOP处理试件剥离强度的比值,用以表征人造革的耐增塑剂性能,耐增塑剂值 = G 0 /G 1,式中: G 0——经 DOP 处理的试件的剥离强度,N/25 mm,G 1——未经 DOP 处理的试件的剥离强度,N/25 mm ;所述的耐碱值是将人造革试件放入质量分数为1% 的 NaOH 水溶液中,室温 20 ℃,24 h,取出自然晾干,然后按照 GB/T 2791-1995 的方法测试其粘合强度,该剥离强度与相同条件下未经碱水处理试件剥离强度的比值,用以表征人造革的耐碱性能,耐碱值 = H 0 /H 1,式中: H 0——经碱水处理的试件的剥离强度,N/25 mm ,H 1——未经碱水处理的试件的剥离强度,N/25 mm。
由上表1可以看出,本发明方法制得的人造革的综合性能显著提升,实际使用中发现其寿命可较现有的人造革延长33.5%以上,极具市场竞争力和生产效益。

Claims (9)

1.一种使用寿命长的人造革的加工制造方法,其特征在于,包括如下步骤:
(1)浆料制备:
按对应重量份称取下列物质:45~50份聚氯乙烯树脂粉、6~9份环氧大豆油、1~2份颜料膏、4~7份羧甲基纤维素钠、5~8份爽滑剂,然后将上述成分共同投入到高速搅拌机内进行搅拌处理,2~3h后取出得浆料备用;
(2)人造革本体制备:
将步骤(1)制得的浆料涂刷在离型纸上,然后经过压延机热压平整后得到人造革本体备用;
(3)粘合剂制备:
a.先将硅藻粉投入到研磨机内进行研磨处理,然后过粒径为1~5μm的滤筛后得到超细硅藻粉备用;
b.将操作a所得的超细硅藻粉投入到混合液A中,然后超声处理1~1.5h后滤出,得滤料B备用;所述的混合液A由如下重量份的物质组成:0.2~0.4份磷酸、0.1~0.3份植酸、200~220份去离子水;
c.将操作b所得的滤料B放入到搅拌罐内,然后向搅拌罐内加入滤料B总质量5~6倍的乙醇溶液,不断搅拌处理25~30min后离心过滤,得滤料C备用;
d.将石墨烯、操作c所得的滤料C、N,N-二甲基甲酰胺、十二烷基三甲基溴化铵、茶多酚、去离子水对应按照重量比6~8:2~4:50~55:3~6:1~3:90~100进行混合投入到三口烧瓶中,并将三口烧瓶置于60~65℃的水浴锅中,同时进行超声处理,50~55min后进行抽滤,最后对抽滤物进行烘干后得特性添加料备用;
e.将甲苯二异氰酸酯、聚己二酸乙二醇酯、二乙二醇、三乙胺、操作d制得的特性添加料对应按照重量比40~45:80~85:6~9:1~3:4~7进行混合投入到四口圆底烧瓶中,然后加热保持四口圆底烧瓶内的温度为82~86℃,不断搅拌处理2~3h后取出得聚氨酯预聚体备用;
f.将操作e所得的聚氨酯预聚体冷却至常温后放入到反应釜内,然后加入其总质量8~12%的中和剂,搅拌处理20~25min后,再加入其总质量1.3~1.5倍的去离子水,不断搅拌处理40~45min后得水性聚氨酯乳液备用;
g.将操作f所得的水性聚氨酯乳液放入到搅拌罐内,然后向搅拌罐内加入水性聚氨酯乳液总质量1~1.5%的流平剂、2~3%的增稠剂、0.5~1%的消泡剂,以2700~2900转/分钟的转速高速搅拌处理1~2h后取出得粘合剂备用;
(4)成品人造革制备:
a.先将步骤(2)制得的人造革本体放入到辐照箱内进行辐照处理,15~20min后取出备用;
b.将步骤(3)制得的粘合剂涂刷在操作a处理后的人造革本体上,然后再覆盖贴压上一层基布,最后将其共同放入到烘干机内进行烘干处理,1~1.5h后取出,自然冷却后剥去离型纸即可。
2.根据权利要求1所述的一种使用寿命长的人造革的加工制造方法,其特征在于,步骤(3)操作b中所述的超声处理的频率为240~270kHz。
3.根据权利要求1所述的一种使用寿命长的人造革的加工制造方法,其特征在于,步骤(3)操作c中所述的乙醇溶液的体积分数为60~65%。
4.根据权利要求1所述的一种使用寿命长的人造革的加工制造方法,其特征在于,步骤(3)操作d中所述的石墨烯的颗粒粒径为600~800目,所述的超声处理的频率为420~460kHz。
5.根据权利要求1所述的一种使用寿命长的人造革的加工制造方法,其特征在于,步骤(3)操作e中所述的四口圆底烧瓶内始终保持为氮气环境。
6.根据权利要求1所述的一种使用寿命长的人造革的加工制造方法,其特征在于,步骤(3)操作f中所述的中和剂为三乙醇胺。
7.根据权利要求1所述的一种使用寿命长的人造革的加工制造方法,其特征在于,步骤(3)操作g中所述的流平剂为有机硅流平剂,所述的增稠剂为羧甲基纤维素钠,所述的消泡剂为聚氧乙烯聚氧丙醇胺醚。
8.根据权利要求1所述的一种使用寿命长的人造革的加工制造方法,其特征在于,步骤(4)操作a中所述的辐照处理是用137Cs-γ射线进行辐照处理,其辐照的总剂量为2~2.5kGy。
9.根据权利要求1所述的一种使用寿命长的人造革的加工制造方法,其特征在于,步骤(4)操作b中所述的烘干处理时控制烘干机内的温度为120~130℃。
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