CN111944110A - 一种隔热效果好的聚氨酯发泡产品配方 - Google Patents

一种隔热效果好的聚氨酯发泡产品配方 Download PDF

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CN111944110A
CN111944110A CN202010891336.7A CN202010891336A CN111944110A CN 111944110 A CN111944110 A CN 111944110A CN 202010891336 A CN202010891336 A CN 202010891336A CN 111944110 A CN111944110 A CN 111944110A
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陈峻
崔青天
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Ningbo Yaozhong Molding Technology Co ltd
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Abstract

本发明公开了一种隔热效果好的聚氨酯发泡产品配方,包括隔热材料混合物和聚氨酯发泡基料,采用十二烷基苯磺酸钠、羟丙基甲基纤维素、聚氧化乙烯树脂、纳米二氧化硅、EVA颗粒和铝膜共同形成隔热材料混合物,密度小,导热系数低,力学强度高,且在生产过程中,隔热材料混合物与聚氨酯发泡基料交叠式排布,将聚氨酯发泡产品的分隔成由单层的聚氨酯发泡基料组成,且每层聚氨酯发泡基料均被隔热材料混合物所包裹,在不影响产品力学性能的同时,大幅提高产品的隔热性能,产品质量更佳。

Description

一种隔热效果好的聚氨酯发泡产品配方
技术领域
本发明涉及高分子技术领域,尤其涉及一种隔热效果好的聚氨酯发泡产品配方。
背景技术
聚氨酯发泡产品由双组分组成,甲组分为多元醇,乙组分为异氰酸酯,施工时将两组分进入到喷涂机械中混合喷出,一分钟发泡成型,由于其保温效果好,防水性能高,多用于建筑领域,现有的聚氨酯发泡产品在配方中添加纤维材料来实现产品的保温隔热效果,纤维材料以碎片方式分散在聚氨酯产品的内部,隔热材料之间的连接不够紧密,若采用单片式的隔热材料浸入到聚氨酯产品中,则又会影响聚氨酯产品的力学性能,降低聚氨酯产品的质量。
发明内容
本发明的目的在于提供一种能够在不影响产品力学性能的同时,大幅提高产品的隔热性能,产品质量更佳的隔热效果好的聚氨酯发泡产品配方,以解决上述背景技术中提出的隔热材料之间的连接不够紧密,若采用单片式的隔热材料浸入到聚氨酯产品中,则又会影响聚氨酯产品的力学性能,降低聚氨酯产品的质量的问题。
为了实现上述目的,本发明采用了如下技术方案:
一种隔热效果好的聚氨酯发泡产品配方,隔热效果好的聚氨酯发泡产品配方按照重量的配方如下:接枝聚醚30-40份、异氰酸酯30-40份、阻燃剂10-20份、成品助剂2-5份、十二烷基苯磺酸钠0-6份、羟丙基甲基纤维素0-6份、聚氧化乙烯树脂0-6份、纳米二氧化硅0-6份、EVA颗粒0-6份、铝膜0-6份、甘油5-10份、硅油2-5份和催化剂2-5份。
优选的,所述聚氧化乙烯树脂的浓度为500μg/g。
优选的,所述十二烷基苯磺酸钠0-6份、羟丙基甲基纤维素0-6份、聚氧化乙烯树脂0-6份、纳米二氧化硅0-6份、EVA颗粒0-6份和铝膜0-6份共同形成隔热材料,隔热材料所占产品比重不超过产品总量的15%。
优选的,所述纳米二氧化硅可置换为纳米氧化铝粉末、纳米氧化锆粉末、纳米碳化硅粉末或纳米氮化硅粉末。
优选的,所述纳米二氧化硅的粒径为280nm,纳米二氧化硅的PH值为4-6。
优选的,所述EVA颗粒的密度为0.92,EVA颗粒在隔热材料中的所占比重不超过20%。
本发明还提供一种隔热效果好的聚氨酯发泡产品配方的制备方法,包括如下步骤:
S1、将0-6份的十二烷基苯磺酸钠、0-6份的羟丙基甲基纤维素、0-6份的聚氧化乙烯树脂、0-6份的纳米二氧化硅、0-6份的EVA颗粒和0-6份的碎化铝膜加入到反应釜中,以水将上述材料分散均匀后搅拌1h,得到隔热材料混合液;
S2、将S1中得到的混合液脱水烘干至粘稠状后,装入到喷涂设备中;
S3、将30-40份的接枝聚醚、30-40份的异氰酸酯、10-20份的阻燃剂、2-5份的成品助剂、5-10份的甘油、2-5份的硅油和2-5份的催化剂加入到反应釜中搅拌,在氮气的保护作用下升温反应2h,得到聚氨酯发泡基料;
S4、对反应釜进行减压处理,当反应釜内压力降至0MPa后,取出聚氨酯发泡基料并冷却至室温,再将其装入到另一组喷涂设备中;
S5、两组喷涂设备同时向模具内部喷射隔热材料和聚氨酯发泡基料,喷射后的隔热材料和聚氨酯发泡基料彼此相邻,上下两层的隔热材料和聚氨酯发泡基料的位置相互交错。
优选的,所述隔热材料的宽度不超过聚氨酯发泡基料宽度的1/3,最终产品中隔热材料与聚氨酯发泡基料的叠加层数不得超过7层。
本发明提供的一种隔热效果好的聚氨酯发泡产品配方,采用十二烷基苯磺酸钠、羟丙基甲基纤维素、聚氧化乙烯树脂、纳米二氧化硅、EVA颗粒和铝膜共同形成隔热材料混合物,密度小,导热系数低,力学强度高,且在生产过程中,隔热材料混合物与聚氨酯发泡基料交叠式排布,将聚氨酯发泡产品的分隔成由单层的聚氨酯发泡基料组成,且每层聚氨酯发泡基料均被隔热材料混合物所包裹,在不影响产品力学性能的同时,大幅提高产品的隔热性能,产品质量更佳。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白,以下结合具体实施例,对本发明进行进一步详细说明。应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。
实施例1
一种隔热效果好的聚氨酯发泡产品配方,隔热效果好的聚氨酯发泡产品配方按照重量的配方如下:接枝聚醚30份、异氰酸酯30份、阻燃剂10份、成品助剂2份、十二烷基苯磺酸钠3份、羟丙基甲基纤维素3份、聚氧化乙烯树脂3份、纳米二氧化硅3份、EVA颗粒3份、铝膜3份、甘油5份、硅油3份和催化剂2份,聚氧化乙烯树脂的浓度为500μg/g,十二烷基苯磺酸钠3份、羟丙基甲基纤维素3份、聚氧化乙烯树脂3份、纳米二氧化硅3份、EVA颗粒3份、铝膜3份共同形成隔热材料,隔热材料所占产品比重不超过产品总量的15%,纳米二氧化硅可置换为纳米氧化铝粉末、纳米氧化锆粉末、纳米碳化硅粉末或纳米氮化硅粉末,纳米二氧化硅的粒径为280nm,纳米二氧化硅的PH值为4-6,EVA颗粒的密度为0.92,EVA颗粒在隔热材料中的所占比重不超过20%。
实施例2
一种隔热效果好的聚氨酯发泡产品配方,隔热效果好的聚氨酯发泡产品配方按照重量的配方如下:接枝聚醚30份、异氰酸酯30份、阻燃剂10份、成品助剂2份、十二烷基苯磺酸钠3份、聚氧化乙烯树脂6份、纳米二氧化硅3份、EVA颗粒3份、铝膜3份、甘油5份、硅油3份和催化剂2份,聚氧化乙烯树脂的浓度为500μg/g,十二烷基苯磺酸钠3份、聚氧化乙烯树脂6份、纳米二氧化硅3份、EVA颗粒3份、铝膜3份共同形成隔热材料,隔热材料所占产品比重不超过产品总量的15%,纳米二氧化硅可置换为纳米氧化铝粉末、纳米氧化锆粉末、纳米碳化硅粉末或纳米氮化硅粉末,纳米二氧化硅的粒径为280nm,纳米二氧化硅的PH值为4-6,EVA颗粒的密度为0.92,EVA颗粒在隔热材料中的所占比重不超过20%。
实施例3
一种隔热效果好的聚氨酯发泡产品配方,隔热效果好的聚氨酯发泡产品配方按照重量的配方如下:接枝聚醚30份、异氰酸酯30份、阻燃剂10份、成品助剂2份、羟丙基甲基纤维素3份、聚氧化乙烯树脂6份、纳米二氧化硅3份、EVA颗粒3份、铝膜3份、甘油5份、硅油3份和催化剂2份,聚氧化乙烯树脂的浓度为500μg/g,羟丙基甲基纤维素3份、聚氧化乙烯树脂6份、纳米二氧化硅3份、EVA颗粒3份、铝膜3份共同形成隔热材料,隔热材料所占产品比重不超过产品总量的15%,纳米二氧化硅可置换为纳米氧化铝粉末、纳米氧化锆粉末、纳米碳化硅粉末或纳米氮化硅粉末,纳米二氧化硅的粒径为280nm,纳米二氧化硅的PH值为4-6,EVA颗粒的密度为0.92,EVA颗粒在隔热材料中的所占比重不超过20%。
实施例4
一种隔热效果好的聚氨酯发泡产品配方,隔热效果好的聚氨酯发泡产品配方按照重量的配方如下:接枝聚醚30份、异氰酸酯30份、阻燃剂10份、成品助剂2份、羟丙基甲基纤维素3份、聚氧化乙烯树脂3份、纳米二氧化硅6份、EVA颗粒3份、铝膜3份、甘油5份、硅油3份和催化剂2份,聚氧化乙烯树脂的浓度为500μg/g,羟丙基甲基纤维素3份、聚氧化乙烯树脂3份、纳米二氧化硅6份、EVA颗粒3份、铝膜3份共同形成隔热材料,隔热材料所占产品比重不超过产品总量的15%,纳米二氧化硅可置换为纳米氧化铝粉末、纳米氧化锆粉末、纳米碳化硅粉末或纳米氮化硅粉末,纳米二氧化硅的粒径为280nm,纳米二氧化硅的PH值为4-6,EVA颗粒的密度为0.92,EVA颗粒在隔热材料中的所占比重不超过20%。
实施例5
一种隔热效果好的聚氨酯发泡产品配方,隔热效果好的聚氨酯发泡产品配方按照重量的配方如下:接枝聚醚30份、异氰酸酯30份、阻燃剂10份、成品助剂2份、十二烷基苯磺酸钠3份、聚氧化乙烯树脂3份、纳米二氧化硅6份、EVA颗粒3份、铝膜3份、甘油5份、硅油3份和催化剂2份,聚氧化乙烯树脂的浓度为500μg/g,十二烷基苯磺酸钠3份、聚氧化乙烯树脂3份、纳米二氧化硅6份、EVA颗粒3份、铝膜3份共同形成隔热材料,隔热材料所占产品比重不超过产品总量的15%,纳米二氧化硅可置换为纳米氧化铝粉末、纳米氧化锆粉末、纳米碳化硅粉末或纳米氮化硅粉末,纳米二氧化硅的粒径为280nm,纳米二氧化硅的PH值为4-6,EVA颗粒的密度为0.92,EVA颗粒在隔热材料中的所占比重不超过20%。
本发明还提供一种隔热效果好的聚氨酯发泡产品配方的制备方法,包括如下步骤:
S1、将0-6份的十二烷基苯磺酸钠、0-6份的羟丙基甲基纤维素、0-6份的聚氧化乙烯树脂、0-6份的纳米二氧化硅、0-6份的EVA颗粒和0-6份的碎化铝膜加入到反应釜中,以水将上述材料分散均匀后搅拌1h,得到隔热材料混合液;
S2、将S1中得到的混合液脱水烘干至粘稠状后,装入到喷涂设备中;
S3、将30-40份的接枝聚醚、30-40份的异氰酸酯、10-20份的阻燃剂、2-5份的成品助剂、5-10份的甘油、2-5份的硅油和2-5份的催化剂加入到反应釜中搅拌,在氮气的保护作用下升温反应2h,得到聚氨酯发泡基料;
S4、对反应釜进行减压处理,当反应釜内压力降至0MPa后,取出聚氨酯发泡基料并冷却至室温,再将其装入到另一组喷涂设备中;
S5、两组喷涂设备同时向模具内部喷射隔热材料和聚氨酯发泡基料,喷射后的隔热材料和聚氨酯发泡基料彼此相邻,上下两层的隔热材料和聚氨酯发泡基料的位置相互交错,隔热材料的宽度不超过聚氨酯发泡基料宽度的1/3,最终产品中隔热材料与聚氨酯发泡基料的叠加层数不得超过7层。
综上所述:本发明提供的一种隔热效果好的聚氨酯发泡产品配方,采用十二烷基苯磺酸钠、羟丙基甲基纤维素、聚氧化乙烯树脂、纳米二氧化硅、EVA颗粒和铝膜共同形成隔热材料混合物,密度小,导热系数低,力学强度高,且在生产过程中,隔热材料混合物与聚氨酯发泡基料交叠式排布,将聚氨酯发泡产品的分隔成由单层的聚氨酯发泡基料组成,且每层聚氨酯发泡基料均被隔热材料混合物所包裹,在不影响产品力学性能的同时,大幅提高产品的隔热性能,产品质量更佳。
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,根据本发明的技术方案及其发明构思加以等同替换或改变,都应涵盖在本发明的保护范围之内。

Claims (8)

1.一种隔热效果好的聚氨酯发泡产品配方,其特征在于:所述隔热效果好的聚氨酯发泡产品配方按照重量的配方如下:接枝聚醚30-40份、异氰酸酯30-40份、阻燃剂10-20份、成品助剂2-5份、十二烷基苯磺酸钠0-6份、羟丙基甲基纤维素0-6份、聚氧化乙烯树脂0-6份、纳米二氧化硅0-6份、EVA颗粒0-6份、铝膜0-6份、甘油5-10份、硅油2-5份和催化剂2-5份。
2.根据权利要求1所述的一种隔热效果好的聚氨酯发泡产品配方,其特征在于:所述聚氧化乙烯树脂的浓度为500μg/g。
3.根据权利要求1所述的一种隔热效果好的聚氨酯发泡产品配方,其特征在于:所述十二烷基苯磺酸钠0-6份、羟丙基甲基纤维素0-6份、聚氧化乙烯树脂0-6份、纳米二氧化硅0-6份、EVA颗粒0-6份和铝膜0-6份共同形成隔热材料,隔热材料所占产品比重不超过产品总量的15%。
4.根据权利要求1所述的一种隔热效果好的聚氨酯发泡产品配方,其特征在于:所述纳米二氧化硅可置换为纳米氧化铝粉末、纳米氧化锆粉末、纳米碳化硅粉末或纳米氮化硅粉末。
5.根据权利要求1所述的一种隔热效果好的聚氨酯发泡产品配方,其特征在于:所述纳米二氧化硅的粒径为280nm,纳米二氧化硅的PH值为4-6。
6.根据权利要求1所述的一种隔热效果好的聚氨酯发泡产品配方,其特征在于:所述EVA颗粒的密度为0.92,EVA颗粒在隔热材料中的所占比重不超过20%。
7.一种权利要求1所述的隔热效果好的聚氨酯发泡产品配方的制备方法,其特征在于:包括如下步骤:
S1、将0-6份的十二烷基苯磺酸钠、0-6份的羟丙基甲基纤维素、0-6份的聚氧化乙烯树脂、0-6份的纳米二氧化硅、0-6份的EVA颗粒和0-6份的碎化铝膜加入到反应釜中,以水将上述材料分散均匀后搅拌1h,得到隔热材料混合液;
S2、将S1中得到的混合液脱水烘干至粘稠状后,装入到喷涂设备中;
S3、将30-40份的接枝聚醚、30-40份的异氰酸酯、10-20份的阻燃剂、2-5份的成品助剂、5-10份的甘油、2-5份的硅油和2-5份的催化剂加入到反应釜中搅拌,在氮气的保护作用下升温反应2h,得到聚氨酯发泡基料;
S4、对反应釜进行减压处理,当反应釜内压力降至0MPa后,取出聚氨酯发泡基料并冷却至室温,再将其装入到另一组喷涂设备中;
S5、两组喷涂设备同时向模具内部喷射隔热材料和聚氨酯发泡基料,喷射后的隔热材料和聚氨酯发泡基料彼此相邻,上下两层的隔热材料和聚氨酯发泡基料的位置相互交错。
8.根据权利要求7所述的一种隔热效果好的聚氨酯发泡产品配方的制备方法,其特征在于:所述隔热材料的宽度不超过聚氨酯发泡基料宽度的1/3,最终产品中隔热材料与聚氨酯发泡基料的叠加层数不得超过7层。
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