CN106188486A - 太阳能保温工程水箱用聚氨酯及其制备方法 - Google Patents

太阳能保温工程水箱用聚氨酯及其制备方法 Download PDF

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CN106188486A
CN106188486A CN201610626119.9A CN201610626119A CN106188486A CN 106188486 A CN106188486 A CN 106188486A CN 201610626119 A CN201610626119 A CN 201610626119A CN 106188486 A CN106188486 A CN 106188486A
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polyether polyol
water tank
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徐业峰
张佳佳
李欣
周生鹏
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Shandong Inov New Material Co Ltd
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Abstract

本发明属于聚氨酯合成技术领域，具体涉及一种太阳能保温工程水箱用聚氨酯及其制备方法。太阳能保温工程水箱用聚氨酯由A组分和B组分组成，A组分：聚醚多元醇A、聚醚多元醇B、聚醚多元醇C、聚醚多元醇D、聚醚多元醇E、泡沫稳定剂、化学发泡剂、物理发泡剂、催化剂；B组分为二苯基甲烷二异氰酸酯或多甲基多苯基异氰酸酯。本发明是在常温下进行，既节约能源又减少供能设备和繁琐的操作，应用组合料生产的聚氨酯泡沫保温材料也是在常温、常压下进行，工艺简单，易操作，挥发低，无三废，产品质量稳定，生产周期短，成本低，效率高，耗能低。

Description

太阳能保温工程水箱用聚氨酯及其制备方法
技术领域
本发明属于聚氨酯合成技术领域，具体涉及一种太阳能保温工程水箱用聚氨酯及其制备方法。
背景技术
太阳能作为一种清洁、高效、永不衰竭的新能源具有广阔的开发利用前景。随着城市化进程加快带来了新的建筑能源供应需求，积极推动了平板太阳能的增长率，作为配套使用的保温工程水箱市场需求也在不断扩大。平板太阳能将光能转化为热能对水进行加热，水箱的保温能力作为评价水箱性能的一项重要指标，聚氨酯硬质泡沫塑料由于其良好的工艺加工性以及优异的保温性能成为水箱保温的首选原料。
随着国家对HFC-141b使用限制，发泡剂的替代也更加紧迫，环戊烷由于其绝热效果不佳的缺点用量在逐步减少，第三代发泡剂HFC-245fa一般使用多元共混，能够达到较为理想的绝热效果，但是由于其环保特性较差而受限，现在以LBA(HFO-1233zd,1-氯，3，3，3三氟丙烯)为代表的第四代发泡剂在满足导热系数的同时其ODP值为0。
发明内容
本发明的目的是提供一种太阳能保温工程水箱用聚氨酯，具有强度高、脱模快、导热系数低、密度分布均匀、与基材粘结性好、尺寸变化率低的特点；本发明同时提供了太阳能保温工程水箱用聚氨酯的制备方法，科学合理、简单易行。
本发明所述的太阳能保温工程水箱用聚氨酯由A组分和B组分组成，A组分与B组分的重量比为1:1.2-1.25，其中，
以A组分总质量为100％计，A组分：
B组分为二苯基甲烷二异氰酸酯或多甲基多苯基异氰酸酯。
所述的聚醚多元醇A为羟值为420-450mgKOH/g的聚醚多元醇YNW-6001A(山东一诺威新材料有限公司生产)。
所述的聚醚多元醇B为羟值为440-475mgKOH/g的聚醚多元醇YNW-6207(山东一诺威新材料有限公司生产)。
所述的聚醚多元醇C为羟值为360-390mgKOH/g的聚醚多元醇YNW-6205(山东一诺威新材料有限公司生产)。
所述的聚醚多元醇D为羟值为440-460mgKOH/g的聚醚多元醇YNW-8345(山东一诺威新材料有限公司生产)。
所述的聚醚多元醇E为羟值为390-430mgKOH/g的聚醚多元醇410HN(句容宁武新材料发展有限公司生产)。
所述的泡沫稳定剂为非水解硅碳类表面活性剂，优选B8545(赢创公司市售产品)。
所述的化学发泡剂为水，优选去离子水。
所述的物理发泡剂为LBA(HFO-1233zd,1-氯，3，3，3三氟丙烯)。
所述的催化剂为N,N,N’,N”,N”-五甲基二亚乙基三胺、N,N-二甲基环己胺、N,N-二甲基苄胺或四甲基乙二胺中的一种或多种。
本发明所述的太阳能保温工程水箱用聚氨酯的制备方法，步骤如下：
(1)A组分的制备：将称量好的聚醚多元醇A、聚醚多元醇B、聚醚多元醇C、聚醚多元醇D、聚醚多元醇E、泡沫稳定剂、化学发泡剂、催化剂与物理发泡剂，依次加入反应釜中，在常温下搅拌0.5-1小时，充分混合；
(2)B组分的制备：将二苯基甲烷二异氰酸酯或多甲基多苯基异氰酸酯称量备用。
使用时，将A组分与B组分按A：B＝1：1.2-1.25的重量比通过高压发泡机均匀混合注入模具中生产工程水箱。
本发明以LBA为物理发泡剂，使用聚醚实现产品快速脱模得到高强度的泡沫，同时产品兼备良好绝热性能、均匀密度分布的特点。
本发明与现有技术相比，具有如下有益效果：
1、本发明选用的聚醚搭配使得使用本发明制作产品时脱模快，制得的泡沫强度高、导热系数低、与基材粘结力好、产品整体平整度好；水箱内部泡沫密度分布均匀，填充效果好，能充分起到保温作用；应用该组合聚醚制得的聚氨酯泡沫完全达到了GB/T 26709-2011太阳能热水器用硬质聚氨酯泡沫塑料的标准要求。
2、本发明选用的聚醚在发泡过程中内部反应压力降低快，能缩短开模时间，起到提高生产效率的作用。
3、本发明催化剂选择及搭配是为了满足：在反应初期体系粘度刚开始增长时大力提高流动性使得泡沫快速分布在模腔各个部位，缩短填充时间，成型后整体密度分布均匀，同时合理优选促进泡沫表皮熟化催化剂用量，兼顾表皮熟化与表皮厚度，在不影响泡沫与基材粘结力的前提下得到芯密度更高的泡沫。
4、本发明选取的催化剂体系搭配能够更好发挥聚醚体系快速熟化的特性，起到保证制品快速脱模与表面平整的作用。
5、本发明采用LBA发泡剂，作为第四代代表发泡剂LBA具有高效节能、不燃、不含可挥发性有机物的优势，其ODP(消耗臭氧潜能值)值为0，安全环保特点优异。
6、本发明选取的聚醚体系与发泡剂搭配能够使制品具有低的导热系数，绝热保温性能好，在水箱保温层厚度不变的前提下能达到与使用HCFC-141b发泡剂相当的保温效果。
7、本发明是在常温下进行，既节约能源又减少供能设备和繁琐的操作，应用组合料生产的聚氨酯泡沫保温材料也是在常温、常压下进行，工艺简单，易操作，挥发低，无三废，产品质量稳定，生产周期短，成本低，效率高，耗能低。
具体实施方式
以下结合实施例对本发明做进一步描述。
实施例1
(1)制备A组分，200kg：分别称量聚醚多元醇A：YNW-6001A(山东一诺威新材料有限公司)76kg，聚醚多元醇C：YNW-6205(山东一诺威新材料有限公司)、30kg，聚醚多元醇D：YNW-8345(山东一诺威新材料有限公司)、23kg，聚醚多元醇E：410HN(句容宁武新材料发展有限公司)、23kg，泡沫稳定剂B-8545(赢创公司)、3kg，去离子水、2.8kg，催化剂N,N,N’,N”,N”-五甲基二亚乙基三胺、N,N-二甲基环己胺、N,N-二甲基苄胺、四甲基乙二胺的混合物，重量分别为0.5kg、1.2kg、1.9kg和1kg，所述物理发泡剂为LBA(HFO-12332d)、37.6kg。
将称量好的聚醚多元醇A、聚醚多元醇C、聚醚多元醇D、聚醚多元醇E、泡沫稳定剂、化学发泡剂、催化剂与物理发泡剂，依次加入反应釜中，在常温下搅拌0.5小时，充分混合。
(2)B组分聚合二苯基甲烷二异氰酸酯，240kg。
(3)A组分与B组分按照重量比1:1.2通过高压机均匀混合注入水箱模具中，制得的产品质量指标见表1。
实施例2
(1)制备A组分，200kg：分别称量聚醚多元醇A：YNW-6001A(山东一诺威新材料有限公司)85kg，聚醚多元醇B：YNW-6207(山东一诺威新材料有限公司)8kg，聚醚多元醇C：YNW-6205(山东一诺威新材料有限公司)、16kg，聚醚多元醇D：YNW-8345(山东一诺威新材料有限公司)、31kg，聚醚多元醇E：410HN(句容宁武新材料发展有限公司)、16kg，泡沫稳定剂B-8545(赢创公司)、3.3kg，去离子水、3.1kg，催化剂N,N,N’,N”,N”-五甲基二亚乙基三胺、N,N-二甲基环己胺、N,N-二甲基苄胺、四甲基乙二胺的混合物，重量分别为0.6kg、1.2kg、1.8kg和1.3kg，物理发泡剂为LBA、32.7kg。
将称量好的聚醚多元醇A、聚醚多元醇B、聚醚多元醇C、聚醚多元醇D、聚醚多元醇E、泡沫稳定剂、化学发泡剂、催化剂与物理发泡剂，依次加入反应釜中，在常温下搅拌0.5小时，充分混合。
(2)B组分聚合二苯基甲烷二异氰酸酯，240kg。
(3)A组分与B组分按照重量比1:1.2通过高压机均匀混合注入水箱模具中，制得的产品质量指标见表1。
实施例3
(1)制备A组分，200kg：分别称量聚醚多元醇A：YNW-6001A(山东一诺威新材料有限公司)68kg，聚醚多元醇B：YNW-6207(山东一诺威新材料有限公司)23kg，聚醚多元醇C：YNW-6205(山东一诺威新材料有限公司)、23kg，聚醚多元醇D：YNW-8345(山东一诺威新材料有限公司)、16kg，聚醚多元醇E：410HN(句容宁武新材料发展有限公司)、23kg，泡沫稳定剂B-8545(赢创公司)、4.5kg，去离子水、2.8kg，催化剂N,N,N’,N”,N”-五甲基二亚乙基三胺、N,N-二甲基环己胺、N,N-二甲基苄胺、四甲基乙二胺的混合物，重量分别为0.6kg、1.5kg、2.2kg和1.2kg，物理发泡剂为LBA、34.2kg。
将称量好的聚醚多元醇A、聚醚多元醇B、聚醚多元醇C、聚醚多元醇D、聚醚多元醇E、泡沫稳定剂、化学发泡剂、催化剂与物理发泡剂，依次加入反应釜中，在常温下搅拌0.5小时，充分混合。
(2)组分B聚合二苯基甲烷二异氰酸酯，250kg。
(3)A组分与B组分按照重量比1:1.25通过高压机均匀混合注入水箱模具中，制得的产品质量指标见表1。
表1实施例1-3的泡沫产品质量检测数据

Claims (10)

1.一种太阳能保温工程水箱用聚氨酯，其特征在于由A组分和B组分组成，A组分与B组分的重量比为1:1.2-1.25，其中，
以A组分总质量为100％计，A组分：
B组分为二苯基甲烷二异氰酸酯或多甲基多苯基异氰酸酯。
2.根据权利要求1所述的太阳能保温工程水箱用聚氨酯，其特征在于所述的聚醚多元醇A为羟值为420-450mgKOH/g的聚醚多元醇YNW-6001A。
3.根据权利要求1所述的太阳能保温工程水箱用聚氨酯，其特征在于所述的聚醚多元醇B为羟值为440-475mgKOH/g的聚醚多元醇YNW-6207。
4.根据权利要求1所述的太阳能保温工程水箱用聚氨酯，其特征在于所述的聚醚多元醇C为羟值为360-390mgKOH/g的聚醚多元醇YNW-6205。
5.根据权利要求1所述的太阳能保温工程水箱用聚氨酯，其特征在于所述的聚醚多元醇D为羟值为440-460mgKOH/g的聚醚多元醇YNW-8345。
6.根据权利要求1所述的太阳能保温工程水箱用聚氨酯，其特征在于所述的聚醚多元醇E为羟值为390-430mgKOH/g的聚醚多元醇410HN。
7.根据权利要求1所述的太阳能保温工程水箱用聚氨酯，其特征在于所述的泡沫稳定剂为非水解硅碳类表面活性剂，化学发泡剂为水。
8.根据权利要求1所述的太阳能保温工程水箱用聚氨酯，其特征在于所述的物理发泡剂为LBA。
9.根据权利要求1所述的太阳能保温工程水箱用聚氨酯，其特征在于所述的催化剂为N,N,N’,N”,N”-五甲基二亚乙基三胺、N,N-二甲基环己胺、N,N-二甲基苄胺或四甲基乙二胺中的一种或多种。
10.一种权利要求1-9任一所述的太阳能保温工程水箱用聚氨酯的制备方法，其特征在于步骤如下：
(1)A组分的制备：将称量好的聚醚多元醇A、聚醚多元醇B、聚醚多元醇C、聚醚多元醇D、聚醚多元醇E、泡沫稳定剂、化学发泡剂、催化剂与物理发泡剂，依次加入反应釜中，在常温下搅拌0.5-1小时，充分混合；
(2)B组分的制备：将二苯基甲烷二异氰酸酯或多甲基多苯基异氰酸酯称量备用。
CN201610626119.9A 2016-08-01 2016-08-01 太阳能保温工程水箱用聚氨酯及其制备方法 Pending CN106188486A (zh)

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