CN108690179A - 一种聚氨酯复合材料及其制备方法 - Google Patents
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Abstract
本发明提供了一种聚氨酯复合材料,本发明将咖啡粉用于聚氨酯材料,得到的聚氨酯复合材料不仅符合聚氨酯材料的力学性能要求,而且具有优异的吸附效果。同时利用咖啡渣的吸湿除臭特性,能够减少聚氨酯产品本身的化学气味,使聚氨酯材料具有咖啡的芳香味;本发明制备的聚氨酯材料具有强烈的吸附功能,可以除去外来的气味,可以使得使用聚氨酯产品的空间更清新,起到净化环境的效果。
Description
技术领域
本发明涉及泡沫材料技术领域,尤其涉及一种聚氨酯复合材料及其制备方法。
背景技术
现有的聚氨酯材料或多或少都具有一定不友好的气味,会对环境造成直接影响;而使用这种聚氨酯材料生产的家居产品,比如枕头和床垫,由于气味的存在会直接影响人的睡眠和生活质量。
目前常用的聚氨酯材料除味方法包括在聚氨酯材料中添加硅藻土、活性碳或二氧化硅,虽然这些物质能够在一定程度上去除聚氨酯材料中的气味,但在生产添加有这些物质的聚氨酯材料时,这些物质对聚氨酯材料的机械磨损大,会导致聚氨酯材料的压缩永久变形性能变差,而且制备得到的聚氨酯材料不具有芳香气味。
此外,由于空气污染,室内外的空气可能会夹杂有一些异味,会直接影响人们的居住环境。
因此,开发一种能够除去聚氨酯本身释放的气味以及周围环境中异味的聚氨酯复合材料,具有重要的意义。
发明内容
本发明的目的在于提供一种聚氨酯复合材料,从而去除聚氨酯本身释放的气味以及周围环境中的异味,增强其吸附功能。
为了实现上述发明目的,本发明提供以下技术方案:
本发明提供了一种聚氨酯复合材料,由包括以下重量份的原料制成:
基体聚合物100份、咖啡粉1~20份、异氰酸酯24~50份、催化剂0.2~0.6份、表面活性剂0.6~1.5份、发泡剂0~20份、交联剂0.5~3份;其中,所述基体聚合物为聚醚多元醇和/或聚合物多元醇。
优选的,所述催化剂为三乙烯二胺、双-(二甲氨基乙基)醚或辛酸亚锡中的一种或多种。
优选的,所述咖啡粉的粒径为50~200目。
优选的,所述表面活性剂为聚醚聚硅氧烷共聚物。
优选的,所述发泡剂为水或二氯甲烷。
优选的,所述交联剂为二乙醇胺、三乙醇胺或小分子二元醇,所述小分子二元醇为一缩二丙二醇、丁二醇或一缩二乙二醇。
本发明提供了上述技术方案所述聚氨酯复合材料的制备方法,包括以下步骤:
(1)将咖啡粉与基体聚合物混合,得到预混料;
(2)将催化剂、表面活性剂、发泡剂和交联剂与所述预混料混合,得到白料;
(3)将所述白料与异氰酸酯混合,进行发泡反应,得到聚氨酯复合材料。
优选的,所述步骤(2)中的混合在搅拌条件下进行;所述搅拌的转速为500~2000rpm。
优选的,所述步骤(2)中白料的温度为18~25℃;所述步骤(3)中异氰酸酯的温度为18~25℃。
优选的,所述步骤(3)中的混合在搅拌条件下进行;所述搅拌的转速为3000~5000rpm。
本发明提供了一种聚氨酯复合材料,本发明将咖啡粉用于聚氨酯材料中,利用咖啡粉的吸湿除臭特性,能够减少聚氨酯材料本身的化学气味,使聚氨酯材料具有咖啡的芳香味,产生让人怡乐的心情,减少烦燥情绪。
本发明利用咖啡粉较大的比表面积,使得聚氨酯材料具有强烈的吸附功能,可以除去周围环境中的气味,使得使用本发明提供的聚氨酯复合材料的空间更清新,起到净化环境的效果。同时使用本发明提供的聚氨酯复合材料生产的枕头和床垫,能使人更加容易睡眠,从而提高人们的生活质量。
根据实施例可知,本发明的聚氨酯复合材料芯密度可达68.71kg/m3、压陷硬度60.92N、压缩恢复率97.32%,氨气减少率91%、醋酸减少率98%、异戊酸减少率99%、2-壬烯酸减少率98%。由此可知,本发明的聚氨酯复合材料不仅力学性能均能够满足标准要求,而且具有优异的吸附性能。
附图说明
图1为本发明聚氨酯材料的生产工艺流程图。
具体实施方式
本发明提供了一种聚氨酯复合材料,由包括以下重量份的原料制成:
基体聚合物100份、咖啡粉1~20份、异氰酸酯24~50份、催化剂0.2~0.6份、表面活性剂0.6~1.5份、发泡剂0~20份、交联剂0.5~3份;其中,所述基体聚合物为聚醚多元醇和/或聚合物多元醇。
本发明提供的聚氨酯复合材料以基体聚合物为基体,在本发明中,所述基体聚合物的重量份数为100份,所述基体聚合物为聚醚多元醇和/或聚合物多元醇。在本发明中,当所述基体聚合物为聚醚多元醇和聚合物多元醇的混合物时,对二者的配比没有特殊的限制,采用任意配比均可。
以基体聚合物100重量份为基准,本发明提供的聚氨酯复合材料包括咖啡粉1~20份,优选为5~15份,更优选为8~12份。在本发明中,所述咖啡粉的粒径优选为50~200目,更优选为80~150目。本发明对于咖啡粉的来源没有特殊的限制,选用本领域技术人员熟知来源的咖啡粉即可,具体的如市售的咖啡粉。本发明利用咖啡粉吸湿除臭的特性,将其用于聚氨酯复合材料,能够减少聚氨酯复合材料本身的化学气味,同时赋予聚氨酯复合材料吸附性能。
以基体聚合物100重量份为基准,本发明提供的聚氨酯复合材料包括异氰酸酯24~50份,优选为30~45份,更优选为35~40份。在本发明中,所述异氰酸酯优选为甲苯二异氰酸酯(TDI)和/或改性二苯基甲烷二异氰酸酯(MDI);所述改性MDI优选为万华改性MDI8223。在本发明中,当所述异氰酸酯为TDI和改性MDI的混合物时,所述TDI和改性MDI的重量比为0.2~0.5。本发明利用异氰酸酯的-NCO基团与聚醚的-OH基团反应生成聚氨酯泡沫。
以基体聚合物100重量份为基准,本发明提供的聚氨酯复合材料包括催化剂0.2~0.6份,优选为0.3~0.5份。在本发明中,所述催化剂优选为三乙烯二胺、双-(二甲氨基乙基)醚或辛酸亚锡中的一种或多种。
以基体聚合物100重量份为基准,本发明提供的聚氨酯复合材料包括表面活性剂0.6~1.5份,优选为0.8~1.2份,更优选为0.9~1.1份。在本发明中,所述表面活性剂优选为聚醚聚硅氧烷共聚物。本发明利用表面活性剂乳化泡沫物料、稳定泡沫和调节泡孔。
以基体聚合物100重量份为基准,本发明提供的聚氨酯复合材料包括发泡剂0~20份。在本发明中,所述发泡剂优选为水或二氯甲烷;当所述发泡剂为水时,所述发泡剂优选为1.5~5.0份,更优选为2~4份;当所述发泡剂为二氯甲烷时,所述发泡剂优选为5~15份,更优选为8~12份。本发明使用水或二氯甲烷作为发泡剂能够调节聚氨酯材料密度的大小及材料的软硬度。
以基体聚合物100重量份为基准,本发明提供的聚氨酯复合材料包括交联剂0.5~3份,优选为1~2份。在本发明中,所述交联剂优选为二乙醇胺、三乙醇胺、一缩二丙二醇、丁二醇或一缩二乙二醇。本发明使用二乙醇胺、三乙醇胺、一缩二丙二醇、丁二醇或一缩二乙二醇作为交联剂能够使聚氨酯材料更加稳定,并提高其硬度和拉伸强度。
本发明对上述原料的来源没有特殊的限定,选用本领域技术人员熟知来源的上述原料即可,具体的如市售的上述原料。
本发明提供了上述技术方案所述聚氨酯复合材料的制备方法,包括以下步骤:
(1)将咖啡粉与基体聚合物混合,得到预混料;
(2)将催化剂、表面活性剂、发泡剂和交联剂与所述预混料混合,得到白料;
(3)将所述白料与异氰酸酯混合,进行发泡反应,得到聚氨酯复合材料。
本发明将咖啡粉与基体聚合物混合,得到预混料。本发明对于所述混合没有特殊的限定,采用本领域技术人员熟知的技术方案、能够将咖啡粉与基体聚合物充分接触并混合均匀即可。
得到预混料后,本发明将催化剂、表面活性剂、发泡剂和交联剂与所述预混料混合,得到白料。在本发明中,所述混合优选在搅拌条件下进行;所述搅拌的转速优选为500~2000rpm,更优选为800~1500rpm。在本发明中,所述白料的温度优选为18~25℃;本发明控制白料的温度可以使反应在最佳温度进行。
得到白料后,本发明将所述白料与异氰酸酯混合,进行发泡反应,得到聚氨酯复合材料。在本发明中,所述混合优选在搅拌条件下进行;所述搅拌的转速优选为3000~5000rpm。在本发明中,所述异氰酸酯的温度优选为18~25℃,本发明通过控制异氰酸酯的温度可以使反应在最佳温度进行。
在本发明中,所述发泡反应的温度优选为21℃,时间优选为150s。完成发泡反应后,本发明优选将反应产物进行熟化24h。在本发明中,所述发泡反应的压力优选为0.1~0.2MPa。在本发明中,所述发泡反应优选在发泡机中进行。
完成所述发泡反应后,本发明将得到的发泡反应物料进行熟化和切割后,得到聚氨酯复合材料。本发明对所述熟化和切割的方式没有特殊的限定,选用本领域技术人员熟知的方式进行熟化和切割即可。
在本发明中,所述聚氨酯复合材料的生产工艺流程如图1所示,由图可知,本发明在混合速度为500~2000rpm条件下将原料混合,得到白料混合物;然后在发泡机中以3000~5000rpm的混合速度将异氰酸酯和白料混合,进行发泡反应;最后将发泡反应物料进行熟化和切割,得到聚氨酯复合材料。
下面结合实施例对本发明提供的聚氨酯复合材料进行详细的说明,但是不能把它们理解为对本发明保护范围的限定。
实施例1
将5份粒径为80目的咖啡粉与100份聚醚多元醇混合45min,得到预混料;将0.3份三乙烯二胺及双-(二甲氨基乙基)醚混合物(三乙烯二胺与双-(二甲氨基乙基)醚的质量比为3:1)、1.0份聚醚聚硅氧烷共聚物(BL-818)、2.0份水和1.5份三乙醇胺与所述预混料混合,混合时搅拌的转速为1000r/s,得到白料;控制白料的温度为20℃,将所述白料与温度为20℃的MDI混合,混合时搅拌的转速为4000r/s,在发泡压力为0.1MPa,温度为21℃条件下进行发泡反应150s,熟化24h,得到聚氨酯复合材料。
实施例2
将10份粒径为80目的咖啡粉与100份聚醚多元醇混合45min,得到预混料;将0.3份三乙烯二胺及双-(二甲氨基乙基)醚混合物(三乙烯二胺与双-(二甲氨基乙基)醚的质量比为3:1)、1.0份聚醚聚硅氧烷共聚物(BL-818)、2.0份水和1.5份三乙醇胺与所述预混料混合,混合时搅拌的转速为1000r/s,得到白料;控制白料的温度为20℃,将所述白料与温度为20℃的MDI混合,混合时搅拌的转速为4000r/s,在发泡压力为0.1MPa,温度为21℃条件下进行发泡反应150s,熟化24h,得到聚氨酯复合材料。
实施例3
将20份粒径为80目的咖啡粉与100份聚醚多元醇混合45min,得到预混料;将0.3份三乙烯二胺及双-(二甲氨基乙基)醚混合物(三乙烯二胺与双-(二甲氨基乙基)醚的质量比为3:1)、1.0份聚醚聚硅氧烷共聚物(BL-818)、2.0份水和1.5份三乙醇胺与所述预混料混合,混合时搅拌的转速为1000r/s,得到白料;控制白料的温度为20℃,将所述白料与温度为20℃的MDI混合,混合时搅拌的转速为4000r/s,在发泡压力为0.1MPa,温度为21℃条件下进行发泡反应150s,熟化24h,得到聚氨酯复合材料。
对比例1
将100份聚醚多元醇与0.3份三乙烯二胺及双-(二甲氨基乙基)醚混合物(三乙烯二胺与双-(二甲氨基乙基)醚质量比为3:1)、1.0份表面活性剂、2.0份水和1.5份三乙醇胺预混合,混合时搅拌的转速为1000r/s,得到白料;控制白料的温度为20℃,将所述白料与温度为20℃的MDI混合,混合时搅拌的转速为4000r/s,在发泡压力为0.1MPa,温度为21℃条件下进行发泡反应150s,熟化时间24h,得到聚氨酯复合材料。
按照《泡沫塑料和橡胶表观(体积)密度的测定》(GB/T 6343-1995)、《软质泡沫聚合材料硬度的测定(压陷法)》(GB/T 10807-2006)、《软质泡沫聚合材料压缩永久变形的测定》(GB/T 6669-2008)和《SEK织维制品认证基准》,对实施例1-3制备得到的聚氨酯复合材料进行密度、硬度、压缩永久形变和消臭性的测试,性能测试结果如表1所示:
表1实施例1-3及对比例1制备得到的聚氨酯复合材料的性能测试结果
由表1可知,本发明制备得到的聚氨酯复合材料不仅符合聚氨酯材料的力学性能要求,而且具有优异的吸附效果。
由以上实施例可知,本发明提供了一种聚氨酯复合材料,将咖啡粉用于聚氨酯材料,利用咖啡渣的吸湿除臭特性,能够减少聚氨酯产品本身的化学气味,使聚氨酯材料具有咖啡的芳香味;本发明制备的聚氨酯材料具有强烈的吸附功能,可以除去外来的气味,可以使得使用聚氨酯产品的空间更清新,起到净化环境的效果。
以上所述仅是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。
Claims (10)
1.一种聚氨酯复合材料,由包括以下重量份的原料制成:
基体聚合物100份、咖啡粉1~20份、异氰酸酯24~50份、催化剂0.2~0.6份、表面活性剂0.6~1.5份、发泡剂0~20份、交联剂0.5~3份;其中,所述基体聚合物为聚醚多元醇和/或聚合物多元醇。
2.根据权利要求1所述的聚氨酯复合材料,其特征在于,所述催化剂为三乙烯二胺、双-(二甲氨基乙基)醚或辛酸亚锡中的一种或多种。
3.根据权利要求1所述的聚氨酯复合材料,其特征在于,所述咖啡粉的粒径为50~200目。
4.根据权利要求1所述的聚氨酯复合材料,其特征在于,所述表面活性剂为聚醚聚硅氧烷共聚物。
5.根据权利要求1所述的聚氨酯复合材料,其特征在于,所述发泡剂为水或二氯甲烷。
6.根据权利要求1所述的聚氨酯复合材料,其特征在于,所述交联剂为二乙醇胺、三乙醇胺、一缩二丙二醇、丁二醇或一缩二乙二醇。
7.权利要求1~6任一项所述聚氨酯复合材料的制备方法,包括以下步骤:
(1)将咖啡粉与基体聚合物混合,得到预混料;
(2)将催化剂、表面活性剂、发泡剂和交联剂与所述预混料混合,得到白料;
(3)将所述白料与异氰酸酯混合,进行发泡反应,得到聚氨酯复合材料。
8.根据权利要求7所述的制备方法,其特征在于,所述步骤(2)中的混合在搅拌条件下进行;所述搅拌的转速为500~2000rpm。
9.根据权利要求7所述的制备方法,其特征在于,所述步骤(2)中白料的温度为18~25℃;所述步骤(3)中异氰酸酯的温度为18~25℃。
10.根据权利要求7所述的制备方法,其特征在于,所述步骤(3)中的混合在搅拌条件下进行;所述搅拌的转速为3000~5000rpm。
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CN110122972A (zh) * | 2019-06-21 | 2019-08-16 | 泉州市晋远行塑料制品有限公司 | 一种保健型鞋材及其成型工艺 |
CN110279193A (zh) * | 2019-06-21 | 2019-09-27 | 泉州市晋远行塑料制品有限公司 | 一种除臭型鞋材用成合母粒及除臭鞋材的成型工艺 |
CN110540628A (zh) * | 2019-09-06 | 2019-12-06 | 泉州大洲鞋塑有限公司 | 一种高弹性耐磨复合材料 |
CN111040112A (zh) * | 2019-12-17 | 2020-04-21 | 上海华峰新材料研发科技有限公司 | 利用咖啡渣制备的聚氨酯树脂及其应用 |
CN111484662A (zh) * | 2020-06-15 | 2020-08-04 | 广东粤盛新材料科技有限公司 | 一种咖啡渣鞋料及其制备方法 |
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