CN109293969B - 一种聚氨酯tpu窗帘内衬层及其制备方法 - Google Patents
一种聚氨酯tpu窗帘内衬层及其制备方法 Download PDFInfo
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Abstract
本发明公开了一种聚氨酯TPU窗帘内衬层及其制备方法,其原料配方由以下质量份的组分组成:A组分80~90份,B组分10~20份;其中A组分包括聚氨酯TPU 60~65份、炭黑12~15份、铬黑粉末8~10份;B组分包括二氧化钒4~8份、氧化钛3~6份、纳米蛋壳粉3~6份。本发明采用聚氨酯TPU和其它组分协同作用,使得到的产品手感特别柔软,防水透气性能好,能起到保温保湿,抵抗较强的太阳光及红外线照射,遮光好、耐水洗干洗,具有突出的耐光抗老化和抗菌性能。本发明的制备方法简单,条件温和,适宜大面积的推广应用。
Description
技术领域
本发明涉及一种窗帘内衬层及其制备方法,具体涉及一种聚氨酯TPU窗帘内衬层及其制备方法。
背景技术
随着科技发展和生活水平的不断提高,人们对居室内的环境要求也越来越高,窗帘已经成为家庭或办公场所内不可缺少的用品,它起着调节室内采光强度、遮阳、美化室内环境等功能。
一般的家用窗帘为半透明或者非透明布料制成,只要是为了遮光或者遮蔽隐私,也有一定的装饰作用。且目前遮光的窗帘内衬层均为多次涂层形成或以中间加黑色遮光丝的编织产品。常见的涂层遮光窗帘在环保上不能被通过,水洗干洗上也不是理想的产品,且易老化,使用周期较短。涂层全遮光窗帘一边是涂层一边是面料,外观的品质上不够档次。编织的中间加黑色遮光丝的窗帘产品,即编织的遮光窗帘,克重高、成本大。
因此,通过优化原料组分及制备方法,以获得一种遮光性好,性能优异的窗帘内衬层,是本领域亟待解决的技术问题。
发明内容
为了解决以上技术问题,本发明提供了一种聚氨酯TPU窗帘内衬层及其制备方法。
具体的,一方面,本发明提供了一种聚氨酯TPU窗帘内衬层,其原料配方由以下质量份的组分组成:A组分80~90份,B组分10~20份;
其中A组分包括聚氨酯TPU 60~65份、炭黑12~15份、铬黑粉末8~10份;
B组分包括二氧化钒4~8份、氧化钛3~6份、纳米蛋壳粉3~6份。
本发明以聚氨酯TPU为主要组分,聚氨酯TPU是由二苯甲烷二异氰酸酯(MDI)、甲苯二异氰酸酯(TDI)和大分子多元醇、扩链剂共同反应聚合而成的高分子材料,其具有卓越的高张力、高拉力、强韧和耐老化的特性,应用到窗帘内衬层中,赋予产品良好的柔软度、防水透气性等。本发明窗帘内衬层中还含有炭黑、铬黑粉末、二氧化钒等组分,炭黑对可见光和紫外线有很高的吸收效率;铜铬黑粉末是一种耐高温黑色涂料;二氧化钒在较高温度下有较低的光透光率,在较低温度下有较高的光透过率;氧化钛具有遮光、抗菌的作用;纳米蛋壳粉具有细腻、均匀、白度高、光学性能好等优点,还具有一定的杀菌防腐作用。本发明上述原料中所有组分协同作用,使得到的窗帘内衬层手感特别柔软,防水透气性能好,能抵抗较强的太阳光及红外线照射,具有突出的耐光抗老化性和抗菌性能。
具体优选的,所述聚氨酯TPU为无孔聚氨酯TPU。无孔聚氨酯TPU有软链段和硬链段组成,硬链段(异氰酸酯)能阻止水滴通过,起到防水的作用,软链段由亲水分子(聚醚或聚酯)组成,起到透气透湿的作用。
具体优选的,所述炭黑的粒径为20~30nm,着色力为120~150%,流动度为26~28mm。具体优选的,所述铬黑粉末的粒径为0.5~2μm。
上述优选技术方案中,A组分中所优选的炭黑和铬黑粉末能够均匀地分散在聚氨酯TPU中。
具体优选的,所述二氧化钒和二氧化钛均为纳米级,其粒径均为10~50nm。
具体优选的,B组分还包括氧化铝、氧化银、纳米二氧化硅、陶瓷微泡粉中的一种或多种。
上述优选技术方案中,B组分还包括氧化铝、氧化银、纳米二氧化硅、陶瓷微泡粉中的一种或多种。氧化铝、氧化银具有较好的遮光抗菌性;纳米二氧化硅具有极强的紫外吸收,红外反射特性,耐高温,抗热老化性等;陶瓷微泡粉具有隔热保温,防水、防潮、防腐蚀、防紫外线老化性等;将上述组分增加到原料中,能协同增强产品的耐光、抗菌、抗老化性能等。
具体的,第二方面,本发明还提供了制备所述的聚氨酯TPU窗帘内衬层的方法,该方法包括以下步骤:
(1)将A组分中各原料搅拌均匀,再用造粒机把搅拌好的原料制成母粒,再用吹膜机吹膜而成,得到薄膜基材;
(2)将B组分的各原料在醇溶液中溶解,超声波分散混合均匀后,得到涂布溶液;
(3)将步骤(2)得到的涂布溶液涂覆在步骤(1)得到的薄膜基材任一面上,在真空烘箱中固化后,即得。
本发明制备方法通过将聚氨酯TPU、炭黑、铬黑粉末吹膜得到薄膜基材,再在其一侧涂覆上涂层,制得一种性能优异的窗帘内衬层。本发明的制备方法简单,条件温和,适宜大面积的推广应用。
具体优选的,步骤(1)中,吹膜机的吹膜温度250-300℃,转速为16-20r/min。
具体优选的,步骤(2)中,超声波分散的频率为50-100KHz,时间为10-20min。
具体优选的,步骤(3)中,涂覆的厚度为3~6μm。
上述技术方案中,采用聚氨脂TPU和其它组分协同作用,使得到的产品手感特别柔软,防水透气性能好,能起到保温保湿,抵抗较强的太阳光及红外线照射,遮光好、耐水洗干洗,拉伸强度、拉断伸长率和撕裂强度较高,且具有突出的耐光抗老化和抗菌性能。
具体实施方式
下面将通过具体实施例对本发明进行详细的描述。提供这些实施例是为了能够更透彻地理解本发明,并且能够将本发明的范围完整的传达给本领域的技术人员。
如在通篇说明书及权利要求当中所提及的“包含”或“包括”为一开放式用语,故应解释成“包含但不限定于”。说明书后续描述为实施本发明的较佳实施方式,然所述描述乃以说明书的一般原则为目的,并非用以限定本发明的范围。本发明的保护范围当视所附权利要求所界定者为准。
如果没有特殊说明,本发明所采用的各种试剂、原料、仪器和设备均为市售获得。
实施例1
一种聚氨酯TPU窗帘内衬层,其原料配方由以下质量份的组分组成:A组分85份,B组分15份;其中A组分包括聚氨酯TPU 65份、炭黑12份、铬黑粉末8份;B组分包括二氧化钒5份、氧化钛5份、纳米蛋壳粉5份。
其中,所述炭黑的粒径为20~30nm,着色力为120%,流动度为26mm。所述铬黑粉末的粒径为0.5~2μm。所述二氧化钒和二氧化钛均为纳米级,其粒径均为10~50nm。
上述聚氨酯TPU窗帘内衬层的制备方法包括以下步骤:
(1)将A组分中各原料搅拌均匀,再用造粒机把搅拌好的原料制成母粒,再用吹膜机吹膜而成,设定的吹膜温度300℃,转速为18r/min,得到薄膜基材;
(2)将B组分的各原料在醇溶液(60%的乙醇溶液)中溶解,频率为50KHz的超声波分散15min后,混合均匀,得到涂布溶液;
(3)将步骤(2)得到的涂布溶液涂覆在步骤(1)得到的薄膜基材任一面上,涂覆的厚度为5μm,即得。
实施例2
一种聚氨酯TPU窗帘内衬层,其原料配方由以下质量份的组分组成:A组分80份,B组分20份;其中A组分包括聚氨酯TPU 60份、炭黑12份、铬黑粉末8份;B组分包括二氧化钒8份、氧化钛6份、纳米蛋壳粉6份。
其中,所述炭黑的粒径为20~30nm,着色力为140%,流动度为28mm。所述铬黑粉末的粒径为0.5~2μm。所述二氧化钒和二氧化钛均为纳米级,其粒径均为10~50nm。
上述聚氨酯TPU窗帘内衬层的制备方法包括以下步骤:
(1)将A组分中各原料搅拌均匀,再用造粒机把搅拌好的原料制成母粒,再用吹膜机吹膜而成,设定的吹膜温度250℃,转速为20r/min,得到薄膜基材;
(2)将B组分的各原料在醇溶液(60%的乙醇溶液)中溶解,频率为50KHz的超声波分散20min后,混合均匀,得到涂布溶液;
(3)将步骤(2)得到的涂布溶液涂覆在步骤(1)得到的薄膜基材任一面上,涂覆的厚度为3μm,即得。
实施例3
一种聚氨酯TPU窗帘内衬层,其原料配方由以下质量份的组分组成:A组分90份,B组分10份;其中A组分包括聚氨酯TPU 65份、炭黑15份、铬黑粉末10份;B组分包括二氧化钒4份、氧化钛3份、纳米蛋壳粉3份。
其中,所述炭黑的粒径为20~30nm,着色力为150%,流动度为26mm。所述铬黑粉末的粒径为0.5~2μm。所述二氧化钒和二氧化钛均为纳米级,其粒径均为10~50nm。
上述聚氨酯TPU窗帘内衬层的制备方法包括以下步骤:
(1)将A组分中各原料搅拌均匀,再用造粒机把搅拌好的原料制成母粒,再用吹膜机吹膜而成,设定的吹膜温度300℃,转速为16r/min,得到薄膜基材;
(2)将B组分的各原料在醇溶液(60%的乙醇溶液)中溶解,频率为100KHz的超声波分散10min后,混合均匀,得到涂布溶液;
(3)将步骤(2)得到的涂布溶液涂覆在步骤(1)得到的薄膜基材任一面上,涂覆的厚度为6μm,即得。
实施例4
一种聚氨酯TPU窗帘内衬层,其原料配方由以下质量份的组分组成:A组分85份,B组分15份;其中A组分包括聚氨酯TPU 65份、炭黑12份、铬黑粉末8份;B组分包括二氧化钒4份、氧化钛3份、纳米蛋壳粉3份、纳米二氧化硅3份、陶瓷微泡粉2份。
其中,所述炭黑的粒径为20~30nm,着色力为120%,流动度为26mm。所述铬黑粉末的粒径为0.5~2μm。所述二氧化钒和二氧化钛均为纳米级,其粒径均为10~50nm。
上述聚氨酯TPU窗帘内衬层的制备方法包括以下步骤:
(1)将A组分中各原料搅拌均匀,再用造粒机把搅拌好的原料制成母粒,再用吹膜机吹膜而成,设定的吹膜温度300℃,转速为18r/min,得到薄膜基材;
(2)将B组分的各原料在醇溶液(60%的乙醇溶液)中溶解,频率为50KHz的超声波分散15min后,混合均匀,得到涂布溶液;
(3)将步骤(2)得到的涂布溶液涂覆在步骤(1)得到的薄膜基材任一面上,涂覆的厚度为5μm,即得。
实施例5
一种聚氨酯TPU窗帘内衬层,其原料配方由以下质量份的组分组成:A组分85份,B组分15份;其中A组分包括聚氨酯TPU 65份、炭黑12份、铬黑粉末8份;B组分包括二氧化钒5份、氧化钛5份、纳米蛋壳粉3份、氧化银2份。
其中,所述炭黑的粒径为20~30nm,着色力为120%,流动度为26mm。所述铬黑粉末的粒径为0.5~2μm。所述二氧化钒和二氧化钛均为纳米级,其粒径均为10~50nm。
上述聚氨酯TPU窗帘内衬层的制备方法包括以下步骤:
(1)将A组分中各原料搅拌均匀,再用造粒机把搅拌好的原料制成母粒,再用吹膜机吹膜而成,设定的吹膜温度300℃,转速为18r/min,得到薄膜基材;
(2)将B组分的各原料在醇溶液(60%的乙醇溶液)中溶解,频率为50KHz的超声波分散15min后,混合均匀,得到涂布溶液;
(3)将步骤(2)得到的涂布溶液涂覆在步骤(1)得到的薄膜基材任一面上,涂覆的厚度为5μm,即得。
对比例1
该对比例与实施例1的配方和制备方法相比,只有A组分,没有B组分,制备方法同实施例1中的步骤(1)。
对比例2
该对比例与实施例1的配方和制备方法相比,A组分中只有聚氨酯TPU,制备方法同实施例1。
对比例3
该对比例与实施例1的配方和制备方法相比,A组分中只有聚氨酯TPU,且没有B组分,制备方法同实施例1中的步骤(1)。
效果实施例1
将实施例1~5和对比例1~3中的窗帘内衬层放置在天然日光下暴晒5天后,参照HG/T 2580测试标准对其暴晒前后的拉伸强度和拉断伸长率进行测试,参照HG/T 2581测试标准对其暴晒前后的撕裂强度进行测试,测试结果如表1。
表1
如表1所示,本发明实施例1~5中的窗帘内衬层的拉伸强度、拉断伸长率和撕裂强度要强于对比例1~3,且在暴晒后,本发明实施例1~5中的拉伸强度、拉断伸长率和撕裂强度变化不大,而对比例1、3中的产品在暴晒后,其拉伸强度、拉断伸长率和撕裂强度有明显的降低,对比例2产品的拉伸强度、拉断伸长率和撕裂强度也有降低。上述结果表明,本发明添加B组分后,通过与A组分协同作用,使得到的窗帘内衬层具有了突出的耐光抗老化性。
效果实施例2
抗菌性能测试方法:在得到的窗帘内衬层上分别设定测试点,将大肠杆菌和金黄色葡萄球菌分别滴在窗帘内衬层的两个测试点周围,送入37℃的恒温箱中过夜(时间为48h),取出后观察其表面的细菌生长情况,如发现表面细菌没有继续生长的迹象,说明产品具有很好的抗菌性能;如发现表面细菌有继续生长的迹象,说明产品的抗菌性能较差。
抗菌性能测试结果表明,实施例1~5的窗帘内衬层具有良好的抗菌性能,对比例1~3的抗菌性能较差。上述结果表明,本发明添加B组分后,通过与A组分协同作用,使得到的窗帘内衬层具有了良好的抗菌性。
以上所述仅为本发明的实施例,并非因此限制本发明的专利范围,凡是利用本发明说明书内容所作的等效结构或等效流程变换,或直接或间接运用在其他相关的技术领域,均同理包括在本发明的专利保护范围内。
Claims (10)
1.一种聚氨酯TPU窗帘内衬层,其特征在于,其原料由以下质量份的组分组成:A组分80~90份,B组分10~20份;
其中,
A组分包括聚氨酯TPU 60~65份、炭黑12~15份、铬黑粉末8~10份;
B组分包括二氧化钒4~8份、氧化钛3~6份、纳米蛋壳粉3~6份。
2.根据权利要求1所述的聚氨酯TPU窗帘内衬层,其特征在于,所述聚氨酯TPU为无孔聚氨酯TPU。
3.根据权利要求1所述的聚氨酯TPU窗帘内衬层,其特征在于,所述炭黑的粒径为20~30nm,着色力为120~150%,流动度为26~28mm。
4.根据权利要求1所述的聚氨酯TPU窗帘内衬层,其特征在于,所述铬黑粉末的粒径为0.5~2μm。
5.根据权利要求1所述的聚氨酯TPU窗帘内衬层,其特征在于,所述二氧化钒和二氧化钛均为纳米级,其粒径均为10~50nm。
6.根据权利要求1所述的聚氨酯TPU窗帘内衬层,其特征在于,B组分还包括氧化铝、氧化银、纳米二氧化硅、陶瓷微泡粉中的一种或多种。
7.一种制备权利要求1-6中任一项所述的聚氨酯TPU窗帘内衬层的方法,其特征在于,该方法包括以下步骤:
(1)将A组分中各原料搅拌均匀,再用造粒机把搅拌好的原料制成母粒,再用吹膜机吹膜而成,得到薄膜基材;
(2)将B组分的各原料在醇溶液中溶解,超声波分散混合均匀后,得到涂布溶液;
(3)将步骤(2)得到的涂布溶液涂覆在步骤(1)得到的薄膜基材任一面上,在真空烘箱中固化后,即得。
8.根据权利要求7所述的聚氨酯TPU窗帘内衬层的制备方法,其特征在于,步骤(1)中,吹膜机的吹膜温度为250-300℃,转速为16-20r/min。
9.根据权利要求7所述的聚氨酯TPU窗帘内衬层的制备方法,其特征在于,步骤(2)中,超声波分散的频率为50-100KHz,时间为10-20min。
10.根据权利要求7所述的聚氨酯TPU窗帘内衬层的制备方法,其特征在于,步骤(3)中,涂覆的厚度为3~6μm。
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