CN106192444B - 一种抗菌防皱pvc人造革及其制备方法 - Google Patents
一种抗菌防皱pvc人造革及其制备方法 Download PDFInfo
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Abstract
本发明涉及一种抗菌防皱PVC人造革及其制备方法,所述人造革包括聚氯乙烯面层、发泡层和基布层,所述聚氯乙烯面层由聚氯乙烯面层浆料经160~180℃烘干形成;所述基布层由面料制成,所述面料经过抗菌防皱整理剂预处理。本发明所述的人造革力学性能、加工性能优良,具有成本低、挥发性有机物含量低的特点,耐酸碱、广泛用于鞋、家具、各种室内外装饰,飞机、汽车、轮船装饰。
Description
技术领域
本发明属于高分子技术领域,涉及一种人造革及其制备方法,具体而言涉及一种抗菌防皱PVC人造革及其制备方法。
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。我国人造革合成革工业是建国后新兴的工业,于五十年代末起步发展,是塑料工业中发展较早的行业之一。经过近几十年的建设,人造革合成革行业已具有相当的经济规模;随着国内外高科技的发展与先进工艺设备的应用,行业管理、技术水平、产品档次都有了根本性的质的飞跃,人造革合成革已发展成为日常消费制品工业中重要的行业之一,与整个加工工业同步迈入世界大国行列,是世界上的生产大国、消费大国,进出口贸易大国之一。
1948年出现的聚氯乙烯人造革(PVC人造革)是在织物上涂覆PVC树脂、增塑剂、稳定剂等助剂制成的糊,或者再覆合一层PVC膜,然后经一定的工艺过程加工制成的。随着人造革技术的发展,凭借其具有接近天然皮革的各种性能材质等特点,已经在生活中的大部分领域用于取代天然皮革。普通的人造革由基层和面层构成,基层为普通的织物,面层为PVC塑料层,这样的人造革做的鞋子,功能单一,因为不通风的关系,容易滋生细菌的生长。
发明内容
本发明提供一种抗菌防皱PVC人造革,力学性能、加工性能优良,具有成本低、挥发性有机物含量低的特点,耐酸碱、广泛用于鞋、家具、各种室内外装饰,飞机、汽车、轮船装饰。
具体的,本发明提供一种抗菌防皱PVC人造革,所述人造革包括聚氯乙烯面层、发泡层和基布层,所述聚氯乙烯面层由聚氯乙烯面层浆料经160~180℃烘干形成,所述聚氯乙烯面层浆料由以下重量份的组分制成:PVC树脂粉100-150份,柠檬酸三乙酯40-60份,二月桂酸二正辛基锡2-5份,纳米氧化锌2-5份,硬脂酸钡2-5份,三聚磷酸钠1-3份,壬二酸二辛酯10-15份,白油0.5-2份,二甲基硅油0.5-5份,二亚苄基山梨醇0.5-2份,颜料0.5-3份,苯乙烯与马来酸酐的无规共聚物0.1-3份,壳聚糖0.5-3份,钛白粉0.5-2份;所述基布层由面料制成,所述面料经过抗菌防皱整理剂预处理。
在本发明一个具体的实施方式中,所述抗菌防皱PVC人造革包括聚氯乙烯面层、发泡层和基布层,所述聚氯乙烯面层由聚氯乙烯面层浆料经170℃烘干形成,所述聚氯乙烯面层浆料由以下重量份的组分制成:PVC树脂粉130份,柠檬酸三乙酯50份,二月桂酸二正辛基锡3份,纳米氧化锌4份,硬脂酸钡3份,三聚磷酸钠2份,壬二酸二辛酯12份,白油1.5份,二甲基硅油3份,二亚苄基山梨醇1份,颜料2份,苯乙烯与马来酸酐的无规共聚物1.5份,壳聚糖2份,钛白粉1份;所述基布层由面料制成,所述面料经过抗菌防皱整理剂预处理。
在本发明一个具体的实施方式中,所述抗菌防皱PVC人造革包括聚氯乙烯面层、发泡层和基布层,所述聚氯乙烯面层由聚氯乙烯面层浆料经160℃烘干形成,所述聚氯乙烯面层浆料由以下重量份的组分制成:PVC树脂粉100份,柠檬酸三乙酯40份,二月桂酸二正辛基锡2份,纳米氧化锌2份,硬脂酸钡2份,三聚磷酸钠1份,壬二酸二辛酯10份,白油0.5份,二甲基硅油0.5份,二亚苄基山梨醇0.5份,颜料0.5份,苯乙烯与马来酸酐的无规共聚物0.1份,壳聚糖0.5份,钛白粉0.5份;所述基布层由面料制成,所述面料经过抗菌防皱整理剂预处理。
在本发明一个具体的实施方式中,所述抗菌防皱PVC人造革包括聚氯乙烯面层、发泡层和基布层,所述聚氯乙烯面层由聚氯乙烯面层浆料经180℃烘干形成,所述聚氯乙烯面层浆料由以下重量份的组分制成:PVC树脂粉150份,柠檬酸三乙酯60份,二月桂酸二正辛基锡5份,纳米氧化锌5份,硬脂酸钡5份,三聚磷酸钠3份,壬二酸二辛酯15份,白油2份,二甲基硅油5份,二亚苄基山梨醇2份,颜料3份,苯乙烯与马来酸酐的无规共聚物3份,壳聚糖3份,钛白粉2份;所述基布层由面料制成,所述面料经过抗菌防皱整理剂预处理。
在本发明一个具体的实施方式中,所述的抗菌防皱整理剂由聚羟丙基二甲基氯化铵3-5份、竹醋液3-5份、茶多酚3-5份、椰油酰胺丙基甜菜碱3-5份、海藻酸钠5-10份、二羟甲基二羟基乙烯脲0.5-3份、异丙醇5-10份、水性聚氨酯3-5份以及去离子水50-80份混合而成。
在本发明一个具体的实施方式中,基布层采用超纤布或机织布;PVC树脂粉为S-5型电石法聚氯乙烯;所述面料经过抗菌防皱整理剂预处理。
在本发明一个具体的实施方式中,所述聚氯乙烯面层浆料由以下方法制备得到:
1)取配方量的PVC树脂粉,在80~85℃、 100~150r/min的加温搅拌条件下与配方量的月桂酸二正辛基锡、纳米氧化锌、硬脂酸钡混合5~10min;
2)依次加入配方量的柠檬酸三乙酯、壬二酸二辛酯、白油、二甲基硅油、二亚苄基山梨醇、三聚磷酸钠,在50~60℃、300~500r/min的加温搅拌条件下混合30~40min;
3)依次加入颜料、苯乙烯与马来酸酐的无规共聚物、壳聚糖、钛白粉,在30~40℃、1000~1500r/min的加温搅拌条件下混合30~60min,即得。
在本发明一个具体的实施方式中,上述聚氯乙烯面层浆料的制备过程中步骤1)的加热搅拌条件为80-85℃,120-130r/min;步骤2)的加热搅拌条件为50~60℃、400-450r/min;步骤3)的加热搅拌条件为30-40℃、1400-1500r/min。
在本发明一个具体的实施方式中,所述发泡层位于聚氯乙烯面层和基布层之间,所述发泡层由聚氯乙烯发泡浆料经180~190℃烘干形成,所述聚氯乙烯发泡浆料由以下重量份的组分制成:聚氯乙烯树脂粉100份,柠檬酸三乙酯50~70份,匀泡剂0.5~2份,发泡剂1~3份,聚六亚甲基双胍1-3份,己二酸丙二醇聚酯10~20份。
在本发明一个具体的实施方式中,所述聚氯乙烯发泡浆料由以下方法制备得到:将配方量聚氯乙烯树脂粉、柠檬酸三乙酯、匀泡剂、发泡剂、聚六亚甲基双胍、己二酸丙二醇聚酯加入到高速分散机内进行搅拌,搅拌过程中从浆料底部向浆料内通入空气,搅拌时间为20~50分钟,搅拌速度为1000~1500r/min。
优选地,搅拌时间为30-50分钟,搅拌速度为1400-1500r/min。
在本发明一个具体的实施方式中,所述聚氯乙烯面层上涂有抗菌防皱层,所述抗菌防皱层由水性聚氨酯20-30份、二甲基硅油1-2份、纳米氧化锌3-5份、羟丙基甲基纤维素3-5份、三乙醇胺0.5-2份、硼酸钠0.5-2份制成。
本发明的另一方面涉及所述的抗菌防皱PVC人造革的制备方法,包括如下步骤:
(1)选定离型纸和面料,面料经过抗菌防皱整理剂预处理,并配制聚氯乙烯面层浆料;
(2)将配制好的聚氯乙烯面层浆料均匀涂覆在选定的离型纸上,经160-180℃ 烘干后形成聚氯乙烯面层;
(3)配制聚氯乙烯发泡浆料,将配制好的聚氯乙烯发泡浆料均匀涂覆在聚氯乙烯面层上,经160-180℃ 烘干后形成聚氯乙烯发泡层;
(4)聚氯乙烯发泡层上贴合面料,然后经170-190℃烘干;
(5)去除离型纸,在面层上用三版印刷机辊涂一层抗菌防皱层,烘干,即得抗菌防皱PVC人造革。
具体而言,所述的抗菌防皱PVC人造革的制备方法,包括如下步骤:
(1)选定离型纸和面料,面料经过抗菌防皱整理剂预处理,配制聚氯乙烯面层浆料:(a)取配方量的PVC树脂粉,在80~85℃、 100~150r/min的加温搅拌条件下与配方量的月桂酸二正辛基锡、纳米氧化锌、硬脂酸钡混合5~10min;(b)依次加入配方量的柠檬酸三乙酯、壬二酸二辛酯、白油、二甲基硅油、二亚苄基山梨醇、三聚磷酸钠,在50~60℃、300~500r/min的加温搅拌条件下混合30~40min;(c)依次加入颜料、苯乙烯与马来酸酐的无规共聚物、壳聚糖、钛白粉,在30~40℃、1000~1500r/min的加温搅拌条件下混合30~60min;
(2)将配制好的聚氯乙烯面层浆料均匀涂覆在选定的离型纸上,经160-180℃ 烘干后形成聚氯乙烯面层;
(3)配制聚氯乙烯发泡浆料:将配方量聚氯乙烯树脂粉、柠檬酸三乙酯、匀泡剂、发泡剂、聚六亚甲基双胍、己二酸丙二醇聚酯加入到高速分散机内进行搅拌,搅拌过程中从浆料底部向浆料内通入空气,搅拌时间为20~50分钟,搅拌速度为1000~1500r/min;将配制好的聚氯乙烯发泡浆料均匀涂覆在聚氯乙烯面层上,经160-180℃ 烘干后形成聚氯乙烯发泡层;
(4)聚氯乙烯发泡层上贴合面料,然后经170-190℃烘干;
(5)去除离型纸,在面层上用三版印刷机辊涂一层抗菌防皱层,烘干,即得抗菌防皱PVC人造革;所述抗菌防皱层由水性聚氨酯20-30份、二甲基硅油1-2份、纳米氧化锌3-5份、羟丙基甲基纤维素3-5份、三乙醇胺0.5-2份、硼酸钠0.5-2份制成。
本发明中重量份可以转换成任意的重量单位。
下面结合具体的实施例进一步阐述本发明的人造革。
具体实施方式
实施例1:一种抗菌防皱PVC人造革的制备
所述抗菌防皱PVC人造革包括聚氯乙烯面层、发泡层和基布层,所述聚氯乙烯面层由聚氯乙烯面层浆料经170℃烘干形成,所述聚氯乙烯面层浆料由以下重量份的组分制成:PVC树脂粉130份,柠檬酸三乙酯50份,二月桂酸二正辛基锡3份,纳米氧化锌4份,硬脂酸钡3份,三聚磷酸钠2份,壬二酸二辛酯12份,白油1.5份,二甲基硅油3份,二亚苄基山梨醇1份,颜料2份,苯乙烯与马来酸酐的无规共聚物1.5份,壳聚糖2份,钛白粉1份;所述基布层由面料制成,所述面料经过抗菌防皱整理剂预处理;所述的抗菌防皱整理剂由聚羟丙基二甲基氯化铵4份、竹醋液4份、茶多酚4份、椰油酰胺丙基甜菜碱4份、海藻酸钠8份、二羟甲基二羟基乙烯脲2份、异丙醇8份、水性聚氨酯4份以及去离子水65份混合而成;
制备包括如下步骤:
(1)选定离型纸和面料,面料经过抗菌防皱整理剂预处理,配制聚氯乙烯面层浆料:(a)取配方量的PVC树脂粉,在83℃、 130r/min的加温搅拌条件下与配方量的月桂酸二正辛基锡、纳米氧化锌、硬脂酸钡混合8min;(b)依次加入配方量的柠檬酸三乙酯、壬二酸二辛酯、白油、二甲基硅油、二亚苄基山梨醇、三聚磷酸钠,在55℃、400r/min的加温搅拌条件下混合35min;(c)依次加入颜料、苯乙烯与马来酸酐的无规共聚物、壳聚糖、钛白粉,在35℃、1300r/min的加温搅拌条件下混合50min;
(2)将配制好的聚氯乙烯面层浆料均匀涂覆在选定的离型纸上,经170℃ 烘干后形成聚氯乙烯面层;
(3)配制聚氯乙烯发泡浆料:将聚氯乙烯树脂粉100份、柠檬酸三乙酯60份、匀泡剂1份、发泡剂2份、聚六亚甲基双胍2份、己二酸丙二醇聚酯15份加入到高速分散机内进行搅拌,搅拌过程中从浆料底部向浆料内通入空气,搅拌时间为30分钟,搅拌速度为1300r/min;将配制好的聚氯乙烯发泡浆料均匀涂覆在聚氯乙烯面层上,经170℃ 烘干后形成聚氯乙烯发泡层;
(4)聚氯乙烯发泡层上贴合面料,然后经180℃烘干;
(5)去除离型纸,去除离型纸,在面层上用三版印刷机辊涂一层抗菌防皱层,烘干,即得抗菌防皱PVC人造革;所述抗菌防皱层由水性聚氨酯25份、二甲基硅油1.5份、纳米氧化锌4份、羟丙基甲基纤维素4份、三乙醇胺1份、硼酸钠1份制成。
实施例2 一种抗菌防皱PVC人造革的制备
所述抗菌防皱PVC人造革包括聚氯乙烯面层、发泡层和基布层,所述聚氯乙烯面层由聚氯乙烯面层浆料经160℃烘干形成,所述聚氯乙烯面层浆料由以下重量份的组分制成:PVC树脂粉100份,柠檬酸三乙酯40份,二月桂酸二正辛基锡2份,纳米氧化锌2份,硬脂酸钡2份,三聚磷酸钠1份,壬二酸二辛酯10份,白油0.5份,二甲基硅油0.5份,二亚苄基山梨醇0.5份,颜料0.5份,苯乙烯与马来酸酐的无规共聚物0.1份,壳聚糖0.5份,钛白粉0.5份;所述基布层由面料制成,所述面料经过抗菌防皱整理剂预处理;所述的抗菌防皱整理剂由聚羟丙基二甲基氯化铵3份、竹醋液3份、茶多酚3份、椰油酰胺丙基甜菜碱3份、海藻酸钠5份、二羟甲基二羟基乙烯脲0.5份、异丙醇5份、水性聚氨酯3份以及去离子水50份混合而成;
制备包括如下步骤:
(1)选定离型纸和面料,面料经过抗菌防皱整理剂预处理,配制聚氯乙烯面层浆料:(a)取配方量的PVC树脂粉,在80℃、 100r/min的加温搅拌条件下与配方量的月桂酸二正辛基锡、纳米氧化锌、硬脂酸钡混合5min;(b)依次加入配方量的柠檬酸三乙酯、壬二酸二辛酯、白油、二甲基硅油、二亚苄基山梨醇、三聚磷酸钠,在50℃、300r/min的加温搅拌条件下混合30min;(c)依次加入颜料、苯乙烯与马来酸酐的无规共聚物、壳聚糖、钛白粉,在30℃、1000r/min的加温搅拌条件下混合30min;
(2)将配制好的聚氯乙烯面层浆料均匀涂覆在选定的离型纸上,经160℃ 烘干后形成聚氯乙烯面层;
(3)配制聚氯乙烯发泡浆料:将配方量聚氯乙烯树脂粉100份、柠檬酸三乙酯50份、匀泡剂0.5份、发泡剂1份、聚六亚甲基双胍1份、己二酸丙二醇聚酯10份加入到高速分散机内进行搅拌,搅拌过程中从浆料底部向浆料内通入空气,搅拌时间为20分钟,搅拌速度为1000r/min;将配制好的聚氯乙烯发泡浆料均匀涂覆在聚氯乙烯面层上,经160℃ 烘干后形成聚氯乙烯发泡层;
(4)聚氯乙烯发泡层上贴合面料,然后经170℃烘干;
(5)去除离型纸,得到发泡人造革;所述抗菌防皱层由水性聚氨酯20份、二甲基硅油1份、纳米氧化锌3份、羟丙基甲基纤维素3份、三乙醇胺0.5份、硼酸钠0.5份制成。
实施例3 一种抗菌防皱PVC人造革的制备
所述抗菌防皱PVC人造革包括聚氯乙烯面层、发泡层和基布层,所述聚氯乙烯面层由聚氯乙烯面层浆料经180℃烘干形成,所述聚氯乙烯面层浆料由以下重量份的组分制成:PVC树脂粉150份,柠檬酸三乙酯60份,二月桂酸二正辛基锡5份,纳米氧化锌5份,硬脂酸钡5份,三聚磷酸钠3份,壬二酸二辛酯15份,白油2份,二甲基硅油5份,二亚苄基山梨醇2份,颜料3份,苯乙烯与马来酸酐的无规共聚物3份,壳聚糖3份,钛白粉2份;所述基布层由面料制成,所述面料经过抗菌防皱整理剂预处理;所述的抗菌防皱整理剂由聚羟丙基二甲基氯化铵5份、竹醋液5份、茶多酚5份、椰油酰胺丙基甜菜碱5份、海藻酸钠10份、二羟甲基二羟基乙烯脲3份、异丙醇10份、水性聚氨酯5份以及去离子水80份混合而成;
制备方法包括如下步骤:
(1)选定离型纸和面料,面料经过抗菌防皱整理剂预处理,配制聚氯乙烯面层浆料:(a)取配方量的PVC树脂粉,在85℃、 150r/min的加温搅拌条件下与配方量的月桂酸二正辛基锡、纳米氧化锌、硬脂酸钡混合10min;(b)依次加入配方量的柠檬酸三乙酯、壬二酸二辛酯、白油、二甲基硅油、二亚苄基山梨醇、三聚磷酸钠,在60℃、500r/min的加温搅拌条件下混合40min;(c)依次加入颜料、苯乙烯与马来酸酐的无规共聚物、壳聚糖、钛白粉,在40℃、1500r/min的加温搅拌条件下混合60min;
(2)将配制好的聚氯乙烯面层浆料均匀涂覆在选定的离型纸上,经180℃ 烘干后形成聚氯乙烯面层;
(3)配制聚氯乙烯发泡浆料:将配方量聚氯乙烯树脂粉100份、柠檬酸三乙酯70份、匀泡剂2份、发泡剂3份、聚六亚甲基双胍3份、己二酸丙二醇聚酯20份加入到高速分散机内进行搅拌,搅拌过程中从浆料底部向浆料内通入空气,搅拌时间为50分钟,搅拌速度为1500r/min;将配制好的聚氯乙烯发泡浆料均匀涂覆在聚氯乙烯面层上,经180℃ 烘干后形成聚氯乙烯发泡层;
(4)聚氯乙烯发泡层上贴合面料,然后经190℃烘干;
(5)去除离型纸,得到发泡人造革;所述抗菌防皱层由水性聚氨酯30份、二甲基硅油2份、纳米氧化锌5份、羟丙基甲基纤维素5份、三乙醇胺2份、硼酸钠2份制成。
对比例1:(用环氧脂肪酸甲酯替换柠檬酸三乙酯)
所述抗菌防皱PVC人造革包括聚氯乙烯面层、发泡层和基布层,所述聚氯乙烯面层由聚氯乙烯面层浆料经170℃烘干形成,所述聚氯乙烯面层浆料由以下重量份的组分制成:PVC树脂粉130份,环氧脂肪酸甲酯50份,二月桂酸二正辛基锡3份,纳米氧化锌4份,硬脂酸钡3份,三聚磷酸钠2份,壬二酸二辛酯12份,白油1.5份,二甲基硅油3份,二亚苄基山梨醇1份,颜料2份,苯乙烯与马来酸酐的无规共聚物1.5份,壳聚糖2份,钛白粉1份;其他同实施例1。
对比例2:(用纳米二氧化钛替换纳米氧化锌)
所述抗菌防皱PVC人造革包括聚氯乙烯面层、发泡层和基布层,所述聚氯乙烯 面层由聚氯乙烯面层浆料经170℃烘干形成,所述聚氯乙烯面层浆料由以下重量份的组分制成:PVC树脂粉130份,柠檬酸三乙酯50份,二月桂酸二正辛基锡3份,纳米二氧化钛4份,硬脂酸钡3份,三聚磷酸钠2份,壬二酸二辛酯12份,白油1.5份,二甲基硅油3份,二亚苄基山梨醇1份,颜料2份,苯乙烯与马来酸酐的无规共聚物1.5份,壳聚糖2份,钛白粉1份;其他同实施例1。
对比例3 (省略三乙醇胺)
所述抗菌防皱层由水性聚氨酯25份、二甲基硅油1.5份、纳米氧化锌4份、羟丙基甲基纤维素4份、硼酸钠1份制成;其他同实施例1。
对比例4(省略硼酸钠)
所述抗菌防皱层由水性聚氨酯25份、二甲基硅油1.5份、纳米氧化锌4份、羟丙基甲基纤维素4份、三乙醇胺1份制成,其他同实施例1。
对比例5(省略海藻酸钠)
所述的抗菌防皱整理剂由聚羟丙基二甲基氯化铵4份、竹醋液4份、茶多酚4份、椰油酰胺丙基甜菜碱4份、二羟甲基二羟基乙烯脲2份、异丙醇8份、水性聚氨酯4份以及去离子水65份混合而成;其他同实施例1。
实施例4:环保性能测试
测试本发明实施例1-3以及对比例1-5制备的抗菌防皱PVC人造革的有机挥发量(参照VDA277)ugC/g,以及其气味等级(VDA270),等级评价:1无气味;2有气味,但无干扰性;3有明显气味,但仍无干扰性;4有干扰性气味;5有强烈的干扰性气味;6有难以忍受的气味。结果见表1。
表1 本发明抗菌防皱PVC人造革的环保性能
组别 | 有机挥发量ugC/g | 气味等级(40℃,24h) |
实施例1 | 2.5 | 1 |
实施例2 | 2.5 | 1 |
实施例3 | 2.6 | 1 |
对比例1 | 3.8 | 2 |
对比例2 | 4.7 | 2 |
对比例3 | 5.7 | 3 |
对比例4 | 5.8 | 2 |
对比例5 | 3.4 | 1 |
表1的结果表明,本发明实施例1-3制备的人造革环保性能优良,释放的挥发性的有机物总量较低,无任何气味;同表1中的数据还表明对比例1(用环氧脂肪酸甲酯替换柠檬酸三乙酯)、对比例2(用纳米二氧化钛替换纳米氧化锌)、对比例3(省略三乙醇胺)、对比例4(省略硼酸钠)、对比例5(省略海藻酸钠)释放的挥发性有机物会明显增加,气味等级也会增加,说明本发明中各个组分相互协同,共同发挥作用。
实施例5 力学性能测试
测试实施例1-3的撕裂强度(QB/T4043-2010)、剥离强度(QB/T4043-2010)、耐摩擦色牢度(QB/T4043-2010),结果见表2。
表2 本发明人造革的力学性能
表2的数据表明,本发明人造革性能优良。
实施例6 抗菌性能测试
将待测试样放入含有一定浓度的细菌(金黄色葡萄球菌菌种)培养液中,然后把试样置于往复式振荡器上,在(24±1)℃下,以150r/min的速度振荡18h,通过振荡使试样织物与菌液充分接触后,在(37±1)℃生化培养箱中培养24h,测定振荡前后细菌的菌落数,通过菌落计数方法来定量评价抗菌效果。
振荡法测试抗菌性能的计算:
抑菌率(%)=(A-B)/A×100% 其中,A为标准空白试样振荡18h后菌落数;B为待测试样振荡18h后菌落数。表3为检测得到的结果。
表3
实施例1 | 实施例2 | 实施例3 | 对比例1 | 对比例2 | 对比例3 | 对比例4 | 对比例5 | |
抑菌率 | 99.98 | 99.92 | 99.97 | 93.42 | 94.50 | 95.75 | 94.67 | 97.3 |
表3中的数据表明,本发明的抗菌防皱PVC人造革具有较高的抑菌率,并且本发明的各种组分相互协同,共同发挥作用。
Claims (4)
1.一种抗菌防皱PVC人造革,其特征在于所述人造革包括聚氯乙烯面层、发泡层和基布层,所述聚氯乙烯面层由聚氯乙烯面层浆料经160~180℃烘干形成,所述聚氯乙烯面层浆料由以下重量份的组分制成:PVC树脂粉100-150份,柠檬酸三乙酯40-60份,二月桂酸二正辛基锡2-5份,纳米氧化锌2-5份,硬脂酸钡2-5份,三聚磷酸钠1-3份,壬二酸二辛酯10-15份,白油0.5-2份,二甲基硅油0.5-5份,二亚苄基山梨醇0.5-2份,颜料0.5-3份,苯乙烯与马来酸酐的无规共聚物0.1-3份,壳聚糖0.5-3份,钛白粉0.5-2份;所述基布层由面料制成,所述面料经过抗菌防皱整理剂预处理;
其中所述的抗菌防皱整理剂由聚羟丙基二甲基氯化铵3-5份、竹醋液3-5份、茶多酚3-5份、椰油酰胺丙基甜菜碱3-5份、海藻酸钠5-10份、二羟甲基二羟基乙烯脲0.5-3份、异丙醇5-10份、水性聚氨酯3-5份以及去离子水50-80份混合而成;
所述发泡层位于聚氯乙烯面层和基布层之间,所述发泡层由聚氯乙烯发泡浆料经180~190℃烘干形成,所述聚氯乙烯发泡浆料由以下重量份的组分制成:聚氯乙烯树脂粉100份,柠檬酸三乙酯50~70份,匀泡剂0.5~2份,发泡剂1~3份,聚六亚甲基双胍0.5-1份,己二酸丙二醇聚酯10~20份;
所述聚氯乙烯面层上涂有抗菌防皱层,所述抗菌防皱层由水性聚氨酯20-30份、二甲基硅油1-2份、纳米氧化锌3-5份、羟丙基甲基纤维素3-5份、三乙醇胺0.5-2份、硼酸钠0.5-2份制成。
2.根据权利要求1所述的抗菌防皱PVC人造革,所述聚氯乙烯面层浆料由以下方法制备得到:
1)取配方量的PVC树脂粉,在80~85℃、100~150r/min的加温搅拌条件下与配方量的月桂酸二正辛基锡、纳米氧化锌、硬脂酸钡混合5~10min;
2)依次加入配方量的柠檬酸三乙酯、壬二酸二辛酯、白油、二甲基硅油、二亚苄基山梨醇、三聚磷酸钠,在50~60℃、300~500r/min的加温搅拌条件下混合30~40min;
3)依次加入颜料、苯乙烯与马来酸酐的无规共聚物、壳聚糖、钛白粉,在30~40℃、1000~1500r/min的加温搅拌条件下混合30~60min,即得。
3.根据权利要求1所述的抗菌防皱PVC人造革,所述聚氯乙烯发泡浆料由以下方法制备得到:将配方量聚氯乙烯树脂粉、柠檬酸三乙酯、匀泡剂、发泡剂、聚六亚甲基双胍、己二酸丙二醇聚酯加入到高速分散机内进行搅拌,搅拌过程中从浆料底部向浆料内通入空气,搅拌时间为20~50分钟,搅拌速度为1000~1500r/min。
4.根据权利要求1-3任一项所述的抗菌防皱PVC人造革的制备方法,包括如下步骤:
(1)选定离型纸和面料,面料经过抗菌防皱整理剂预处理,并配制聚氯乙烯面层浆料;
(2)将配制好的聚氯乙烯面层浆料均匀涂覆在选定的离型纸上,经160℃ 烘干后形成聚氯乙烯面层;
(3)配制聚氯乙烯发泡浆料,将配制好的聚氯乙烯发泡浆料均匀涂覆在聚氯乙烯面层上,经180℃ 烘干后形成聚氯乙烯发泡层;
(4)聚氯乙烯发泡层上贴合面料,然后经170℃烘干;
(5)去除离型纸,在面层上用三版印刷机辊涂一层抗菌防皱层,烘干,即得抗菌防皱PVC人造革。
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