CN106243305A - 一种环保型聚氨酯泡沫保温材料 - Google Patents

一种环保型聚氨酯泡沫保温材料 Download PDF

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CN106243305A
CN106243305A CN201610627976.0A CN201610627976A CN106243305A CN 106243305 A CN106243305 A CN 106243305A CN 201610627976 A CN201610627976 A CN 201610627976A CN 106243305 A CN106243305 A CN 106243305A
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蒙献芳
马付杰
黄可煜
陆竣行
邓颍成
刘建麟
莫小青
李光明
张立颖
谢彤
陈明贤
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Nanning Keyu Energy Technology Co Ltd
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Abstract

本发明公开了一种环保型聚氨酯泡沫保温材料,由以下重量份配比的原料发泡制成:聚合异氰酸酯80‑100份,生物聚酯多元醇50‑60份,有机聚硅氧烷5‑15份,紫丁香基木质素10‑20份,催化剂1‑3份,阻燃剂2‑4份,发泡剂0.5‑1份,硅油2‑4份,蒸馏水8‑10份。本发明环保型聚氨酯泡沫保温材料具有强度高、质量轻、导热低、尺寸稳定性良好、绝热效果好、耐磨防腐良好,还具有高效的阻燃能力;采此外,本发明的制备工艺简单,成本低廉,设备要求低,生产过程环保,易于工业化生产,适于大范围推广应用。

Description

一种环保型聚氨酯泡沫保温材料
技术领域
本发明涉及保温材料技术领域,具体是一种环保型聚氨酯泡沫保温材料。
背景技术
普通的聚氨酯保温材料一般多采用官能度多、羟值高的聚醚多元醇与多异氰酸酯反应,制成交联网状结构的高分子聚合物。目前,聚氨酯作为保温材料,生产量越来越大,其具有硬度大、压缩强度高、尺寸稳定性较好、质量轻、导热系数低、闭孔率95%以上、防腐耐磨良好等优点,用途非常广泛,可以代替橡胶、塑料、尼龙等,用于机场、酒店、建材、汽车厂、煤矿厂、水泥厂、高级公寓、别墅、园林美化等。
聚氨酯在生产过程中,因其本身特性、生产工艺以及生产工人操作技能等各方面的原因,普遍存在泡沫收缩的问题,容易导致泡沫与外壳部分脱落或全部脱落,最终导致外壳变形,真空管口泡沫开裂,更有甚者,内胆和外壳之间的聚氨酯硬泡沫横向或纵向开裂,大大地降低了保温效果。在聚氨酯硬泡中,常用的发泡剂为氯氟烃(CFC)发泡剂,但是由于氯氟烃(CFC)发泡剂对大气臭氧层有破坏作用,为了维护生态环境,国际公约已经对其生产和使用做出了严格的限制和规定。
发明内容
本发明的目的在于提供一种具有高抗压度、高拉伸度、收缩性能好且环保的环保型聚氨酯泡沫保温材料。
本发明解决技术问题的技术方案是:
一种环保型聚氨酯泡沫保温材料,由以下重量份配比的原料发泡制成:
聚合异氰酸酯80-100份,生物聚酯多元醇50-60份,有机聚硅氧烷5-15份,紫丁香基木质素10-20份,催化剂1-3份,阻燃剂2-4份,发泡剂0.5-1份,硅油2-4份,蒸馏水8-10份。
上述环保型聚氨酯泡沫保温材料,优选地,由以下重量份配比的原料发泡制成:
聚合异氰酸酯90份,生物聚酯多元醇55份,紫丁香基木质素15份,催化剂2份,阻燃剂3份,发泡剂0.8份,硅油3份,蒸馏水9份。
所述生物基聚醚多元醇为植物废弃物或动物油脂制成的聚醚多元醇,羟值为450-460mgKOH/g,黏度为3500mPa·s。
所述催化剂为有机聚硅氧烷。
所述阻燃剂为氯代烷基磷酸酯。
所述发泡剂为正己烷。
上述环保型聚氨酯泡沫保温材料的制备方法如下:
(1)按照上述原料的质量份配比;
(2)依次将生物聚酯多元醇、紫丁香基木质素混合均匀,静置30-40min,得混合物A;
(3)在混合物A中加入聚合异氰酸酯、催化剂、阻燃剂、发泡剂、硅油、蒸馏水一起置于搅拌机中,搅拌20-30min,得混合物B进行发泡;
(4)发泡后进行固化和熟化,得到产品。
步骤(3)中所述发泡的温度为30-40℃。
步骤(4)中所述固化的时间为5-15min。
步骤(4)中所述熟化的时间为20-30min。
本发明产品的优点在于:本发明环保型聚氨酯泡沫保温材料具有强度高、质量轻、导热低、尺寸稳定性良好、绝热效果好、耐磨防腐良好的特点,还具有高效的阻燃能力;采用植物废弃物和动物油脂等废弃料制备多元醇,节能环保。此外,本发明的制备工艺简单,成本低廉,设备要求低,生产过程环保,易于工业化生产,适于大范围推广应用。
具体实施方式
以下结合实施例对本发明进一步说明,但本发明并不局限于这些实施例。
实施例1
一种环保型聚氨酯泡沫保温材料,由以下重量份配比的原料发泡制成:
聚合异氰酸酯80kg,生物聚酯多元醇50kg,有机聚硅氧烷5kg,紫丁香基木质素10kg,催化剂1kg,阻燃剂2kg,发泡剂0.5kg,硅油2kg,蒸馏水8kg。
所述生物基聚醚多元醇为植物废弃物制成的聚醚多元醇,羟值为450mgKOH/g,黏度为3500mPa·s。
所述催化剂为有机聚硅氧烷。
所述阻燃剂为氯代烷基磷酸酯。
所述发泡剂为正己烷。
上述环保型聚氨酯泡沫保温材料的制备方法如下:
(1)按照上述原料的质量份配比;
(2)依次将生物聚酯多元醇、紫丁香基木质素混合均匀,静置30min,得混合物A;
(3)在混合物A中加入聚合异氰酸酯、催化剂、阻燃剂、发泡剂、硅油、蒸馏水一起置于搅拌机中,搅拌20min,得混合物B进行发泡;
(4)发泡后进行固化和熟化,得到产品。
步骤(3)中所述发泡的温度为30℃。
步骤(4)中所述固化的时间为5min。
步骤(4)中所述熟化的时间为20min。
实施例2
一种环保型聚氨酯泡沫保温材料,由以下重量份配比的原料发泡制成:
聚合异氰酸酯90kg,生物聚酯多元醇55kg,紫丁香基木质素15kg,催化剂2kg,阻燃剂3kg,发泡剂0.8kg,硅油3kg,蒸馏水9kg。
所述生物基聚醚多元醇为动物油脂制成的聚醚多元醇,羟值为455mgKOH/g,黏度为3500mPa·s。
所述催化剂为有机聚硅氧烷。
所述阻燃剂为氯代烷基磷酸酯。
所述发泡剂为正己烷。
上述环保型聚氨酯泡沫保温材料的制备方法如下:
(1)按照上述原料的质量份配比;
(2)依次将生物聚酯多元醇、紫丁香基木质素混合均匀,静置35min,得混合物A;
(3)在混合物A中加入聚合异氰酸酯、催化剂、阻燃剂、发泡剂、硅油、蒸馏水一起置于搅拌机中,搅拌25min,得混合物B进行发泡;
(4)发泡后进行固化和熟化,得到产品。
步骤(3)中所述发泡的温度为35℃。
步骤(4)中所述固化的时间为10min。
步骤(4)中所述熟化的时间为25min。
实施例3
一种环保型聚氨酯泡沫保温材料,由以下重量份配比的原料发泡制成:
聚合异氰酸酯100kg,生物聚酯多元醇60kg,有机聚硅氧烷15kg,紫丁香基木质素20kg,催化剂3kg,阻燃剂4kg,发泡剂1kg,硅油4kg,蒸馏水10kg。
所述生物基聚醚多元醇为植物废弃物或动物油脂制成的聚醚多元醇,羟值为460mgKOH/g,黏度为3500mPa·s。
所述催化剂为有机聚硅氧烷。
所述阻燃剂为氯代烷基磷酸酯。
所述发泡剂为正己烷。
上述环保型聚氨酯泡沫保温材料的制备方法如下:
(1)按照上述原料的质量份配比;
(2)依次将生物聚酯多元醇、紫丁香基木质素混合均匀,静置40min,得混合物A;
(3)在混合物A中加入聚合异氰酸酯、催化剂、阻燃剂、发泡剂、硅油、蒸馏水一起置于搅拌机中,搅拌30min,得混合物B进行发泡;
(4)发泡后进行固化和熟化,得到产品。
步骤(3)中所述发泡的温度为40℃。
步骤(4)中所述固化的时间为15min。
步骤(4)中所述熟化的时间为30min。
分别对实施例1-3制备得到的环保型聚氨酯泡沫保温材料的物理性能参数进行检测,并与现有普通聚氨酯保温材料对比,测试结果如表1所示。
性能指标 实施例1 实施例2 实施例3 对比例
抗压强度 MPa 0.348 0.352 0.355 0.276
热释放速率 (KW/m2) 122 118 117 153
导热系数 w/(m.k) 0.019 0.021 0.023 0.037
闭孔率(%) 96.1 96.3 96.8 91.5
由表可见,本发明以上实施例制备的环保型聚氨酯泡沫保温材料的抗压强度、热释放速率、导热系数、及闭孔率等指标都比现有的保温材料有明显地提高,经冷冻或高温条件下无收缩、变形、膨胀、开裂等现象,是一种性能好的保温材料。
以上实施例仅用以说明本发明的技术方案,而非对其限制;尽管参照前述实施例对本发明进行了详细的说明,本领域的普通技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换;而这些修改或者替换,并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims (9)

1.一种环保型聚氨酯泡沫保温材料,其特征在于:由以下重量份配比的原料发泡制成:
聚合异氰酸酯80-100份,生物聚酯多元醇50-60份,有机聚硅氧烷5-15份,紫丁香基木质素10-20份,催化剂1-3份,阻燃剂2-4份,发泡剂0.5-1份,硅油2-4份,蒸馏水8-10份;
所述生物基聚醚多元醇为植物废弃物或动物油脂制成的聚醚多元醇,羟值为450-460mgKOH/g,黏度为3500mPa·s。
2.根据权利要求1所述的环保型聚氨酯泡沫保温材料,其特征在于:由以下重量份配比的原料发泡制成:
聚合异氰酸酯90份,生物聚酯多元醇55份,紫丁香基木质素15份,催化剂2份,阻燃剂3份,发泡剂0.8份,硅油3份,蒸馏水9份。
3.根据权利要求1所述的环保型聚氨酯泡沫保温材料,其特征在于:所述催化剂为有机聚硅氧烷。
4.根据权利要求1所述的环保型聚氨酯泡沫保温材料,其特征在于:所述阻燃剂为氯代烷基磷酸酯。
5.根据权利要求1所述的环保型聚氨酯泡沫保温材料,其特征在于:所述发泡剂为正己烷。
6.一种如权利要求1所述的环保型聚氨酯泡沫保温材料的制备方法,其特征在于:包括如下步骤:
(1)按照上述原料的质量份配比;
(2)依次将生物聚酯多元醇、紫丁香基木质素混合均匀,静置30-40min,得混合物A;
(3)在混合物A中加入聚合异氰酸酯、催化剂、阻燃剂、发泡剂、硅油、蒸馏水一起置于搅拌机中,搅拌20-30min,得混合物B进行发泡;
(4)发泡后进行固化和熟化,得到产品。
7.根据权利要求7所述的制备方法,其特征在于:步骤(3)中所述发泡的温度为30-40℃。
8.根据权利要求7所述的制备方法,其特征在于:步骤(4)中所述固化的时间为5-15min。
9.根据权利要求7所述的制备方法,其特征在于:步骤(4)中所述熟化的时间为20-30min。
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