CN104448225B - 电视背景墙用聚氨酯及其制备方法 - Google Patents

电视背景墙用聚氨酯及其制备方法 Download PDF

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CN104448225B
CN104448225B CN201410752322.1A CN201410752322A CN104448225B CN 104448225 B CN104448225 B CN 104448225B CN 201410752322 A CN201410752322 A CN 201410752322A CN 104448225 B CN104448225 B CN 104448225B
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耿佃勇
梅海亮
田茂杰
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Zibo Zhengda Polyurethane Co., Ltd.
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Abstract

本发明公开了一种电视背景墙用聚氨酯及其制备方法，属于建筑物装修工程领域，具体的说，涉及一种用于表面保护的墙面覆盖物。所述电视背景墙用聚氨酯由以下重量份组分制成：聚醚多元醇：60～80份、聚合物多元醇：40～20份、水：1.5～3.5份、泡沫稳定剂：0.5～1.0份、开孔剂0.5～3份、催化剂0.11～0.88份、交联剂：1～2份、多亚甲基多苯基多异氰酸酯：35～40份。本发明所制备的聚氨酯无毒、健康、环保，价格低廉。

Description

电视背景墙用聚氨酯及其制备方法
技术领域
本发明属于建筑物装修工程领域，具体的说，涉及一种用于表面保护的墙面覆盖物。
背景技术
电视背景墙，是从公共建筑装修中引入的一个概念。它主要是指在客厅、办公室、卧室主要的有一面墙能反映自己的形象和风格。电视背景墙是居室背景墙装饰的重点之一，在背景墙设计中占据相当重要的地位，电视背景墙通常是为了弥补家居空间电视区背景墙的空旷，同时起到修饰电视区背景墙的作用。
玻璃、木质材料、油漆、瓷砖、石头、聚氨酯泡沫等材料均可用作电视背景墙，聚氨酯泡沫因其较好的保温性能和适中的价格、较好的装饰效果，也是电视背景墙的常用材料。现有的聚氨酯泡沫电视背景墙，多以TDI为原料制造，该类聚氨酯电视背景墙，容易产生挥发性气体，对人体造成健康损害，而以改性MDI制造的聚氨酯泡沫，但是这种制品同等量的发泡剂发泡密度大，改性MDI价格高，增加了电视背景墙的成本。
发明内容
为解决上述问题，本发明提供一种健康、环保的电视背景墙用聚氨酯及其制备方法。
本发明所述的电视背景墙用聚氨酯，由以下重量份的A组分和B组分制成：
A组分：
B组分：
多亚甲基多苯基多异氰酸酯 35～40份。
所述聚醚多元醇，为环氧乙烷封端，官能度为2～3、分子量4000～5000，聚氧化乙烯链段60～100％、聚氧化丙烯链段0～50％。
所述聚合物多元醇，羟值为25～29mgKOH/g，水分≤0.05％，粘度≤3500mPa.s/25℃，pH＝6～9，可以选用德信联邦公司产型号为POP-36/28的多元醇。
优选的，所述泡沫稳定剂为聚二甲基硅氧烷；水优选为去离子水，为化学发泡剂。
优选的，所述开孔剂为聚醚多元醇，其羟值为49.5～52.5mgKOH/g，酸值≤0.05mgKOH/g，水份≤0.05％，粘度＝650-850mPa.s/25℃，不饱和值≤0.05mmol/g≤，pH＝5～7，可以采用德信联邦所产型号为DEP-505S的聚醚多元醇。
优选的，所述催化剂为辛酸亚锡和三乙烯二胺的丙二醇溶液，所述辛酸亚锡和三乙烯二胺的丙二醇溶液的质量比为0.01～0.08：0.1～0.8。
优选的，所述交联剂为二乙醇胺。
所述的电视背景墙用聚氨酯及其制备方法，将A和B组分恒定20～25℃，将两组分混合搅拌10～15秒倒入发泡磨具内进行发泡、磨具充分排气，熟化20～30分钟，得到产品。
与现有技术相比，本发明的有益效果是：本发明以PAPI为原料，PAPI的活性低，蒸气压低，只是TDI的百分之一，基本上不蒸发，故毒性很低；TDI的制备过程较PAPI更加复杂，因此PAPI成本较TDI要低，市场价格只有TDI的四分之三，本发明降低了原料成本；其制备方法简单易实施；生产过程无毒、健康、环保，制品价格低廉。
具体实施方式
下面结合实施例对本发明做进一步解释。
实施例1
一种电视背景墙用聚氨酯，由以下重量份的A组分和B组分制成：
A组分：
聚醚多元醇(德信联邦产DEP-330N，羟值：34mgKOH/g，主体聚醚) 60份
聚合物多元醇(德信联邦产POP3628，控制产品硬度) 40份
去离子水 3.5份
泡沫稳定剂聚二甲基硅氧烷(AK7733) 1份
开孔剂(德信联邦产DEP-505S) 2份
催化剂辛酸亚锡(T9) 0.05份
催化剂三乙烯二胺的丙二醇溶液(A33) 0.8份
交联剂二乙醇胺 1.5份
B组分：
多亚甲基多苯基多异氰酸酯(PAPI) 40份
其中，A组份中催化剂三乙稀二胺的丙二醇溶液中，三乙稀二胺的质量分数为33％，所述重量份为溶液的重量份。
将A组分各原料混合，A组分和B组分温度为25℃，将A组分和B组分在转速4000r/min下混合搅拌10秒，倒入发泡磨具内，室温熟化36h，得到整体密度35kg/m3，压缩硬度40％(CLD40),4.2Kpa的产品。
实施例2
一种电视背景墙用聚氨酯，由A组分和B组分按照以下重量份数制成：
A组分：
聚醚多元醇(德信联邦产DEP-330N，羟值：34mgKOH/g，主体聚醚) 70份
聚合物多元醇(德信联邦产POP3628，控制产品硬度) 30份
去离子水(化学发泡剂) 2.5份
泡沫稳定剂AK7733 0.8份
开孔剂(德信联邦产聚醚多元醇DEP-505S) 2份
催化剂T9 0.05份
催化剂A33 0.8份
交联剂二乙醇胺 1.5份
B组分：
多亚甲基多苯基多异氰酸酯(PAPI) 38份
其中，A组份中催化剂三乙稀二胺的丙二醇溶液中，三乙稀二胺的质量分数为33％，所述重量份为溶液的重量份。
将A组分各原料混合，A组分和B组分温度为25℃，将A组分和B组分在转速4000r/min下混合搅拌10秒，倒入发泡磨具内，室温熟化36h，得到整体密度50kg/m3，压缩硬度40％(CLD40),6.0Kpa产品。
实施例3
一种电视背景墙用聚氨酯，由A组分和B组分按照以下重量份数制成：
A组分：
聚醚多元醇(德信联邦产DEP-330N，羟值：34mgKOH/g，主体聚醚) 80份
聚合物多元醇(德信联邦产POP3628，控制产品硬度) 20份
化学发泡剂去离子水 1.5份
泡沫稳定剂AK7733 0.5份
开孔剂(德信联邦产聚醚多元醇DEP-505S) 2份
催化剂T9 0.05份
催化剂A33 0.8份
交联剂二乙醇胺 1.5份
B组分：
多亚甲基多苯基多异氰酸酯(PAPI) 35份
其中，A组份中催化剂三乙稀二胺的丙二醇溶液中，三乙稀二胺的质量分数为33％，所述重量份为溶液的重量份。
将A组分各原料混合，A组分和B组分温度为25℃，将A组分和B组分在转速4000r/min下混合搅拌10秒，倒入发泡磨具内，室温熟化36h，得到整体密度60kg/m3压缩硬度40％(CLD40),6.4Kpa的产品。

Claims (6)

1.一种电视背景墙用聚氨酯，其特征在于，所述电视背景墙用聚氨酯由以下重量份的A组分和B组分制成：
A组分：
聚醚多元醇60～80份
聚合物多元醇40～20份
水1.5～3.5份
泡沫稳定剂0.5～1.0份
开孔剂0.5～3份
催化剂0.11～0.88份
交联剂1～2份
B组分：
多亚甲基多苯基多异氰酸酯35～40份；
所述聚醚多元醇官能度为2～3、分子量4000～5000，聚氧化乙烯链段60～100％、聚氧化丙烯链段0～50％，链段之和为100％；
所述聚合物多元醇，羟值为25～29mgKOH/g，水分≤0.05％，粘度≤3500mPa.s/25℃，pH＝6～9；
所述开孔剂为聚醚多元醇，其羟值为49.5～52.5mgKOH/g，酸值≤0.05mgKOH/g，水份≤0.05％。
2.根据权利要求1所述的电视背景墙用聚氨酯，其特征在于，所述泡沫稳定剂为聚二甲基硅氧烷。
3.根据权利要求1所述的电视背景墙用聚氨酯，其特征在于，所述催化剂为辛酸亚锡和三乙烯二胺的丙二醇溶液。
4.根据权利要求3所述的电视背景墙用聚氨酯，其特征在于，所述辛酸亚锡和三乙烯二胺的丙二醇溶液的质量比为0.01～0.08：0.1～0.8。
5.根据权利要求1所述的电视背景墙用聚氨酯，其特征在于，所述交联剂为二乙醇胺。
6.根据权利要求1～5任一权利要求所述的电视背景墙用聚氨酯的制备方法，其特征在于，将A和B组分恒定20～25℃，将两组分混合搅拌10～15秒倒入发泡磨具内进行发泡、磨具充分排气，熟化20～30分钟，得到产品。
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CN102061080B (zh) * 2010-09-10 2012-05-30 山东东大一诺威聚氨酯有限公司 一种室内装饰软包用聚氨酯组合物及其制备方法
CN102352013B (zh) * 2011-07-21 2012-11-21 山东东大一诺威聚氨酯有限公司 泡沫玩具用环保型聚氨酯组合料及其制备方法
CN103012737B (zh) * 2013-01-10 2014-11-05 江苏斯泰达新能源科技发展有限公司 一种100%水基发泡聚氨酯泡沫及其制备方法
CN103524706B (zh) * 2013-10-31 2015-10-21 淄博德信联邦化学工业有限公司 Papi型聚氨酯慢回弹海绵及其制备方法

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