CN107383855A - 一种可热复合轻质聚氨酯泡沫制备方法 - Google Patents

一种可热复合轻质聚氨酯泡沫制备方法 Download PDF

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CN107383855A
CN107383855A CN201710695694.9A CN201710695694A CN107383855A CN 107383855 A CN107383855 A CN 107383855A CN 201710695694 A CN201710695694 A CN 201710695694A CN 107383855 A CN107383855 A CN 107383855A
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史玉林
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Abstract

本发明公开了一种可热复合轻质聚氨酯泡沫，其原料按重量份如下：聚乙烯树脂3‑5份，甲基丙烯酸15‑20份，三乙醇胺10‑15份，聚醚多元醇30‑40份，扩链剂2‑3份，催化剂1‑1.5份，发泡剂4‑6份，泡沫稳定剂0.8‑1.5份，硅油2‑4份。本发明提供的一种可热复合轻质聚氨酯泡沫制备方法，通过聚乙烯树脂的加入可以使得物料在发泡挤出后均有可复热性，可以提高聚氨酯泡沫的性能，同时采用负压的方式降低发泡设备中压强，使得物料得到更好的膨胀，使得聚氨酯泡沫更加轻质。

Description

一种可热复合轻质聚氨酯泡沫制备方法
技术领域
本发明涉及聚氨酯泡沫技术领域，尤其涉及一种可热复合轻质聚氨酯泡沫制备方法。
背景技术
聚氨酯硬质泡沫是以异氰酸酯和聚醚为主要原料，在发泡剂、催化剂、阻燃剂等多种助剂的作用下，通过专用设备混合，经高压喷涂现场发泡而成的高分子聚合物。 聚氨酯泡有软泡和硬泡两种。软泡为开孔结构， 硬泡为闭孔结构;软泡又分为结皮和不结皮两种。通过对聚氨酯泡沫进行改性处理，获得可复热性，可以提高聚氨酯泡沫的使用性能，提高实用性，同时一些使用场合也需要聚氨酯泡沫具有较轻的质量，这些都是需要我们解决的问题。
发明内容
本发明的目的是为了解决现有技术中存在的缺点，而提出的一种可热复合轻质聚氨酯泡沫制备方法。
为了实现上述目的，本发明采用了如下技术方案：
一种可热复合轻质聚氨酯泡沫，其原料按重量份如下：聚乙烯树脂3-5份，甲基丙烯酸15-20份，三乙醇胺10-15份，聚醚多元醇30-40份，扩链剂2-3份，催化剂1-1.5份，发泡剂4-6份，泡沫稳定剂0.8-1.5份，硅油2-4份。
优选的，所述催化剂为氨类催化剂。
优选的，所述扩链剂为2-咪唑烷酮。
优选的，所述发泡剂为碳酸钙、碳酸镁和碳酸氢钠按照重量组份比为1:1:1配比而成。
本发明还提供了一种可热复合轻质聚氨酯泡沫制备方法，包括如下步骤：
S1：备料，根据各组份原料进行配比准备，将各原料配比后放置备用；
S2：将各组份原料在容器中混合搅拌，使得各组份物料混合均匀，采用水浴加热的方式进行加热，水浴加热的加热温度在60-80℃，水浴加热时间为15-20分钟；
S3：发泡处理，将水浴加热的物料加入到发泡机器中进行发泡处理，发泡处理的180-200℃，发泡时间为8-15分钟；
S4：负压处理，将发泡机器内进行降压处理，进行抽气处理，降低压强，压强为0.5-0.7标准大气压，提高泡沫膨胀度；
S5：挤出处理，将负压处理后的泡沫挤出，完成加工工艺。
本发明提供的一种可热复合轻质聚氨酯泡沫制备方法，通过聚乙烯树脂的加入可以使得物料在发泡挤出后均有可复热性，可以提高聚氨酯泡沫的性能，同时采用负压的方式降低发泡设备中压强，使得物料得到更好的膨胀，使得聚氨酯泡沫更加轻质。
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
一种可热复合轻质聚氨酯泡沫，其原料按重量份如下：聚乙烯树脂3份，甲基丙烯酸15份，三乙醇胺10份，聚醚多元醇30份，扩链剂2份，催化剂1份，发泡剂4份，泡沫稳定剂0.8份，硅油2份。
所述催化剂为氨类催化剂。所述扩链剂为2-咪唑烷酮。所述发泡剂为碳酸钙、碳酸镁和碳酸氢钠按照重量组份比为1:1:1配比而成。
本发明还提供了一种可热复合轻质聚氨酯泡沫制备方法，包括如下步骤：
S1：备料，根据各组份原料进行配比准备，将各原料配比后放置备用；
S2：将各组份原料在容器中混合搅拌，使得各组份物料混合均匀，采用水浴加热的方式进行加热，水浴加热的加热温度在60℃，水浴加热时间为15分钟；
S3：发泡处理，将水浴加热的物料加入到发泡机器中进行发泡处理，发泡处理的180℃，发泡时间为8分钟；
S4：负压处理，将发泡机器内进行降压处理，进行抽气处理，降低压强，压强为0.5标准大气压，提高泡沫膨胀度；
S5：挤出处理，将负压处理后的泡沫挤出，完成加工工艺。
实施例2
一种可热复合轻质聚氨酯泡沫，其原料按重量份如下：聚乙烯树脂4份，甲基丙烯酸18份，三乙醇胺13份，聚醚多元醇35份，扩链剂2.5份，催化剂1.3份，发泡剂5份，泡沫稳定剂1.3份，硅油3份。
所述催化剂为氨类催化剂。所述扩链剂为2-咪唑烷酮。所述发泡剂为碳酸钙、碳酸镁和碳酸氢钠按照重量组份比为1:1:1配比而成。
本发明还提供了一种可热复合轻质聚氨酯泡沫制备方法，包括如下步骤：
S1：备料，根据各组份原料进行配比准备，将各原料配比后放置备用；
S2：将各组份原料在容器中混合搅拌，使得各组份物料混合均匀，采用水浴加热的方式进行加热，水浴加热的加热温度在70℃，水浴加热时间为18分钟；
S3：发泡处理，将水浴加热的物料加入到发泡机器中进行发泡处理，发泡处理的190℃，发泡时间为12分钟；
S4：负压处理，将发泡机器内进行降压处理，进行抽气处理，降低压强，压强为0.6标准大气压，提高泡沫膨胀度；
S5：挤出处理，将负压处理后的泡沫挤出，完成加工工艺。
实施例3
一种可热复合轻质聚氨酯泡沫，其原料按重量份如下：聚乙烯树脂5份，甲基丙烯酸20份，三乙醇胺15份，聚醚多元醇40份，扩链剂3份，催化剂1.5份，发泡剂6份，泡沫稳定剂1.5份，硅油4份。
所述催化剂为氨类催化剂。所述扩链剂为2-咪唑烷酮。所述发泡剂为碳酸钙、碳酸镁和碳酸氢钠按照重量组份比为1:1:1配比而成。
本发明还提供了一种可热复合轻质聚氨酯泡沫制备方法，包括如下步骤：
S1：备料，根据各组份原料进行配比准备，将各原料配比后放置备用；
S2：将各组份原料在容器中混合搅拌，使得各组份物料混合均匀，采用水浴加热的方式进行加热，水浴加热的加热温度在80℃，水浴加热时间为20分钟；
S3：发泡处理，将水浴加热的物料加入到发泡机器中进行发泡处理，发泡处理的200℃，发泡时间为15分钟；
S4：负压处理，将发泡机器内进行降压处理，进行抽气处理，降低压强，压强为0.7标准大气压，提高泡沫膨胀度；
S5：挤出处理，将负压处理后的泡沫挤出，完成加工工艺。
本发明提供的一种可热复合轻质聚氨酯泡沫制备方法，通过聚乙烯树脂的加入可以使得物料在发泡挤出后均有可复热性，可以提高聚氨酯泡沫的性能，同时采用负压的方式降低发泡设备中压强，使得物料得到更好的膨胀，使得聚氨酯泡沫更加轻质。
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 (5)

1.一种可热复合轻质聚氨酯泡沫，其特征在于：其原料按重量份如下：聚乙烯树脂3-5份，甲基丙烯酸15-20份，三乙醇胺10-15份，聚醚多元醇30-40份，扩链剂2-3份，催化剂1-1.5份，发泡剂4-6份，泡沫稳定剂0.8-1.5份，硅油2-4份。
2.根据权利要求1所述的一种可热复合轻质聚氨酯泡沫，其特征在于：所述催化剂为氨类催化剂。
3.根据权利要求1所述的一种可热复合轻质聚氨酯泡沫，其特征在于：所述扩链剂为2-咪唑烷酮。
4.根据权利要求1所述的一种可热复合轻质聚氨酯泡沫，其特征在于：所述发泡剂为碳酸钙、碳酸镁和碳酸氢钠按照重量组份比为1:1:1配比而成。
5.一种权利要求1所述的可热复合轻质聚氨酯泡沫制备方法，其特征在于：包括如下步骤：
S1：备料，根据各组份原料进行配比准备，将各原料配比后放置备用；
S2：将各组份原料在容器中混合搅拌，使得各组份物料混合均匀，采用水浴加热的方式进行加热，水浴加热的加热温度在60-80℃，水浴加热时间为15-20分钟；
S3：发泡处理，将水浴加热的物料加入到发泡机器中进行发泡处理，发泡处理的180-200℃，发泡时间为8-15分钟；
S4：负压处理，将发泡机器内进行降压处理，进行抽气处理，降低压强，压强为0.5-0.7标准大气压，提高泡沫膨胀度；
S5：挤出处理，将负压处理后的泡沫挤出，完成加工工艺。
CN201710695694.9A 2017-08-15 2017-08-15 一种可热复合轻质聚氨酯泡沫制备方法 Pending CN107383855A (zh)

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CN109265976A (zh) * 2018-08-24 2019-01-25 江苏斯瑞达新材料科技有限公司 具有导热阻燃性能的聚氨酯泡棉
CN109703124A (zh) * 2018-12-24 2019-05-03 扬州市德运塑业科技股份有限公司 一种合成革及其制备方法
CN110919956A (zh) * 2019-10-23 2020-03-27 江苏聚核高分子功能材料研究院有限公司 Epp材料制作方法和制作设备

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CN108264754A (zh) * 2017-12-29 2018-07-10 美瑞新材料股份有限公司 一种具有密度梯度的热塑性聚氨酯弹性体发泡材料及其制备方法
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CN109703124A (zh) * 2018-12-24 2019-05-03 扬州市德运塑业科技股份有限公司 一种合成革及其制备方法
CN110919956A (zh) * 2019-10-23 2020-03-27 江苏聚核高分子功能材料研究院有限公司 Epp材料制作方法和制作设备

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