CN106947046A - 一种三聚氰胺改性聚氨酯泡沫及其制备方法与应用 - Google Patents

一种三聚氰胺改性聚氨酯泡沫及其制备方法与应用 Download PDF

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CN106947046A
CN106947046A CN201710106286.5A CN201710106286A CN106947046A CN 106947046 A CN106947046 A CN 106947046A CN 201710106286 A CN201710106286 A CN 201710106286A CN 106947046 A CN106947046 A CN 106947046A
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招家欣
李嘉丽
郑赐贤
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Foshan Yinnuo Microbian Technology Co Ltd
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Abstract

本发明首先提供了一种三聚氰胺改性聚氨酯泡沫,它是由以下重量比的原料制成:官能度为330的多元醇50~200份、官能度为36的多元醇50份、三聚氰胺5~20份、液化MDI 15~200份、磷酸酯化合物1~10份、以及聚氨酯催化剂5~12份、辛酸亚锡0.5~3份、硅油助剂2~30份。本发明还提供了由上述原料制成的三聚氰胺改性聚氨酯泡沫的制备方法,包括混合、改性、熟化等步骤。根据本发明配方的原料及方法制备所得的三聚氰胺改性聚氨酯泡沫适合用作吸音材料,而且试验证明该材料具有更佳的耐受性和吸音性能。

Description

一种三聚氰胺改性聚氨酯泡沫及其制备方法与应用
技术领域
本发明涉及一种化学材料,尤其涉及一种具有良好吸音性能的改性聚氨酯泡沫及其制备方法与应用。
背景技术
声波传播到墙体等阻碍物上会反射,室内环境中容易造成回音、或声音叠加造成的噪音,因此建筑材料的吸音性能对室内环境的声音音质及噪音指数有直接影响。聚氨酯泡沫为多孔状结构的物质,常用于沙发家具、枕头、坐垫、玩具、服装和隔音内衬。但一般的聚氨酯泡沫用作吸音建筑材料,其耐受性及吸音性能不能满足对隔音和吸音要求较高的环境。
为此,有必要开发一种具有良好吸音性能的改性聚氨酯泡沫。
发明内容
本发明的是提供一种三聚氰胺改性聚氨酯泡沫及其制备方法与应用,该改性聚氨酯泡沫具有良好吸音性能和耐受性能,足以解决现有的问题。
为实现上述目的,本发明采用如下技术方案:
本发明首先提供一种三聚氰胺改性聚氨酯泡沫,它是由以下重量比的原料制成:官能度为330的多元醇50~200份、官能度为36的多元醇50份、三聚氰胺5~20份、液化MDI 15~200份、磷酸酯化合物1~10份、以及聚氨酯催化剂5~12份、辛酸亚锡0.5~3份、硅油助剂2~30份。
本发明进一步提供了一种种三聚氰胺改性聚氨酯泡沫的制备方法,包括以下步骤:
(1)将官能度为330的聚醚多元醇与官能度为36的聚酯多元醇,混合置于带有真空装置的烧瓶中;
(2)将步骤(1)中的混合多元醇加热至100~120℃,稳定温度后开启抽真空装置,抽真空后,依次加入磷酸酯化合物、聚氨酯催化剂、辛酸亚锡、硅油助剂,然后以500rpm/min的转速搅拌至少20min,得到混合溶液;
(3)制备三聚氰胺改性聚氨酯泡沫:在步骤(2)的混合溶液中加入三聚氰胺,搅拌至溶解、混合均匀;然后将加入液化MDI,迅速混合均匀后,倒入密封模具中制得泡沫;
(4)将该泡沫放入150℃烘箱中熟化3h,取出冷却至室温即得三聚氰胺改性聚氨酯泡沫。
本发明还提供的上述三聚氰胺改性聚氨酯泡沫的用途,其适合作为成吸音材料或隔音材料使用。
本发明的优势在于:(1)本发明采用三聚氰胺改性聚氨酯泡沫,与现有的聚氨酯泡沫相比,配方合理,具有更佳的坚硬度和适合的软度;(2)通过高温的工艺制备、以及熟化工艺制备,本发明的三聚氰胺改性聚氨酯泡沫具有更佳的耐受性,使用寿命更长;(3)本发明的三聚氰胺改性聚氨酯泡沫具有适中的孔隙度,具有更佳的吸音和隔音效果;(4)制备所得的吸音材料还兼具有阻燃特性好的优点,在吸音的同时起到防火作用,绿色环保,当拆除后,还可以回收利用,具有环境可持续性能,具备大规模推广应用的潜能。
具体实施方式
以下结合实施例,对本发明的技术方案作进一步阐述。
实施例1一种三聚氰胺改性聚氨酯泡沫,它是由以下重量比的原料制成:官能度为330的高活性三羟基聚醚多元醇50份;官能度为36的聚丙二醇50份;三聚氰胺5份;液化MDI21份;磷酸酯化合物1.6份;聚氨酯催化剂8份;辛酸亚锡0.5份;硅油助剂2份。
根据以上原料配比制备三聚氰胺改性聚氨酯泡沫,其制备方法包括以下步骤:
(1)按上述比例称取原料;
(2)将官能度为330的高活性三羟基聚醚多元醇与官能度为36的聚丙二醇混合置于带有真空装置的烧瓶中;
(3)将步骤(2)中的混合多元醇加热至100~120℃,稳定温度后开启抽真空装置;抽真空后,依次加入磷酸酯化合物、聚氨酯催化剂、辛酸亚锡和硅油助剂,然后以500rpm/min的转速搅拌至少45min,得到混合溶液;
(4)制备三聚氰胺改性聚氨酯泡沫:在步骤(3)的混合溶液中加入三聚氰胺,搅拌至溶解、混合均匀;然后将加入液化MDI,迅速混合均匀后,倒入密封模具中制得泡沫;
(5)将该泡沫放入150℃烘箱中熟化3h,取出冷却至室温即得三聚氰胺改性聚氨酯泡沫。
制得的三聚氰胺改性聚氨酯泡沫适合作为成吸音材料或隔音材料使用。
实施例2一种三聚氰胺改性聚氨酯泡沫,它是由以下重量比的原料制成:官能度为330的高活性三羟基聚醚多元醇200份;官能度为36的聚丙二醇50份;三聚氰胺12.5份;液化MDI 180份;磷酸酯化合物8份;聚氨酯催化剂12份;辛酸亚锡2.5份;硅油助剂25份。
根据以上原料配比制备三聚氰胺改性聚氨酯泡沫的制备方法,包括以下步骤:
(1)按上述比例称取原料;
(2)将官能度为330的高活性三羟基聚醚多元醇与官能度为36的聚丙二醇混合置于带有真空装置的烧瓶中;
(3)将步骤(2)中的混合多元醇加热至100~120℃,稳定温度后开启抽真空装置;抽真空后,依次加入磷酸酯化合物、聚氨酯催化剂、辛酸亚锡和硅油助剂,然后以500rpm/min的转速搅拌60min,得到混合溶液;
(4)制备三聚氰胺改性聚氨酯泡沫:在步骤(3)的混合溶液中加入三聚氰胺,搅拌至溶解、混合均匀;然后将加入液化MDI,迅速混合均匀后,倒入密封模具中制得泡沫;
(5)将该泡沫放入150℃烘箱中熟化3h,取出冷却至室温即得三聚氰胺改性聚氨酯泡沫。
制得的三聚氰胺改性聚氨酯泡沫适合作为成吸音材料或隔音材料使用。
实施例3一种三聚氰胺改性聚氨酯泡沫,它是由以下重量比的原料制成:官能度为330的高活性三羟基聚醚多元醇150份;官能度为36的聚丙二醇50份;三聚氰胺20份;液化MDI 150份;磷酸酯化合物3.5份;聚氨酯催化剂8份;辛酸亚锡2.5份;硅油助剂25份。
根据以上原料配比制备三聚氰胺改性聚氨酯泡沫的制备方法,包括以下步骤:
(1)按上述比例称取原料;
(2)将官能度为330的高活性三羟基聚醚多元醇与官能度为36的聚丙二醇混合置于带有真空装置的烧瓶中;
(3)将步骤(2)中的混合多元醇加热至100~120℃,稳定温度后开启抽真空装置;抽真空后,依次加入磷酸酯化合物、聚氨酯催化剂、辛酸亚锡和硅油助剂,然后以500rpm/min的转速搅拌60min,得到混合溶液;
(4)制备三聚氰胺改性聚氨酯泡沫:在步骤(3)的混合溶液中加入三聚氰胺,搅拌至溶解、混合均匀;然后将加入液化MDI,迅速混合均匀后,倒入密封模具中制得泡沫;
(5)将该泡沫放入150℃烘箱中熟化3h,取出冷却至室温即得三聚氰胺改性聚氨酯泡沫。
制得的三聚氰胺改性聚氨酯泡沫适合作为成吸音材料或隔音材料使用。
实施例4一种三聚氰胺改性聚氨酯泡沫,它是由以下重量比的原料制成:官能度为330的高活性三羟基聚醚多元醇100份;官能度为36的聚丙二醇50份;三聚氰胺16份;液化MDI 200份;磷酸酯化合物10份;聚氨酯催化剂5份;辛酸亚锡3份;硅油助剂30份。
根据以上原料配比制备三聚氰胺改性聚氨酯泡沫的制备方法,包括以下步骤:
(6)按上述比例称取原料;
(7)将官能度为330的高活性三羟基聚醚多元醇与官能度为36的聚丙二醇混合置于带有真空装置的烧瓶中;
(8)将步骤(2)中的混合多元醇加热至100~120℃,稳定温度后开启抽真空装置;抽真空后,依次加入磷酸酯化合物、聚氨酯催化剂、辛酸亚锡和硅油助剂,然后以500rpm/min的转速搅拌60min,得到混合溶液;
(10)将该泡沫放入150℃烘箱中熟化3h,取出冷却至室温即得三聚氰胺改性聚氨酯泡沫。
制得的三聚氰胺改性聚氨酯泡沫适合作为成吸音材料或隔音材料使用。
试验例将实施例1~实施例4制得的三聚氰胺改性聚氨酯泡沫,分别进行燃烧试验,其自燃点均超过500℃;在常温下用明火点燃该材料,材料均不能完全燃烧。经吸音测试,同样条件下,本发明制得的三聚氰胺改性聚氨酯泡沫比传统的聚氨酯泡沫的吸音率提高8%~15%。

Claims (3)

1.一种三聚氰胺改性聚氨酯泡沫,其特征在于,它是由以下重量比的原料制成:官能度为330的多元醇50~200份、官能度为36的多元醇50份、三聚氰胺5~20份、液化MDI 15~200份、磷酸酯化合物1~10份、以及聚氨酯催化剂5~12份、辛酸亚锡0.5~3份、硅油助剂2~30份。
2.一种三聚氰胺改性聚氨酯泡沫的制备方法,其特征在于,包括以下步骤:
(1)将官能度为330的聚醚多元醇与官能度为36的聚酯多元醇,混合置于带有真空装置的烧瓶中;
(2)将步骤(1)中的混合多元醇加热至100~120℃,稳定温度后开启抽真空装置,抽真空后,依次加入磷酸酯化合物、聚氨酯催化剂、辛酸亚锡、硅油助剂,然后以500rpm/min的转速搅拌至少20min,得到混合溶液;
(3)制备三聚氰胺改性聚氨酯泡沫:在步骤(2)的混合溶液中加入三聚氰胺,搅拌至溶解、混合均匀;然后将加入液化MDI,迅速混合均匀后,倒入密封模具中制得泡沫;
(4)将该泡沫放入150℃烘箱中熟化3h,取出冷却至室温即得三聚氰胺改性聚氨酯泡沫。
3.一种三聚氰胺改性聚氨酯泡沫,其特征在于,作为成吸音材料或隔音材料使用。
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CN115010890A (zh) * 2022-07-26 2022-09-06 安徽美世嘉新材料有限公司 一种轮胎降噪绵及其制备方法
CN116239750A (zh) * 2021-12-08 2023-06-09 江苏长顺高分子材料研究院有限公司 耐湿热形变的聚氨酯顶棚材料及其制备方法

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