CN103524706B - Papi型聚氨酯慢回弹海绵及其制备方法 - Google Patents

Papi型聚氨酯慢回弹海绵及其制备方法 Download PDF

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CN103524706B
CN103524706B CN201310532431.8A CN201310532431A CN103524706B CN 103524706 B CN103524706 B CN 103524706B CN 201310532431 A CN201310532431 A CN 201310532431A CN 103524706 B CN103524706 B CN 103524706B
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recovery sponge
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CN103524706A (zh
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王宝山
耿佃勇
董伟
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Zibo Dexin Lianbang Chemical Industry Co Ltd
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    • C08G18/6688—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3271
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    • C08G2110/00—Foam properties
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Abstract

本发明属于化工领域，具体涉及一种PAPI型聚氨酯慢回弹海绵。由A组分和B组分制成：A组分为聚醚MD-3000、基础聚醚、发泡剂、泡沫稳定剂、开孔剂、锡催化剂、胺催化剂、二乙醇胺和催化剂A1，其中：基础聚醚的官能度为2～5、分子量500～2000，聚氧化乙烯链段60～100％、聚氧化丙烯链段0～50％；B组分为多亚甲基多苯基多异氰酸酯。本发明以PAPI为原料，既环保健康也降低了原料成本；本发明还提供其制备方法，制备方法为将A组分各原料混合，A组分和B组分温度控制在15～25℃，将A组分和B组分在转速3000～5000r/min下混合搅拌，倒入发泡磨具内，室温熟化，得到产品。制备方法简单易实施。

Description

PAPI型聚氨酯慢回弹海绵及其制备方法
技术领域
本发明属于化工领域，具体涉及一种PAPI型聚氨酯慢回弹海绵及其制备方法。
背景技术
聚氨酯泡沫塑料在日常生活中应用广泛，慢回弹记忆棉以吸能零压力著称，被广泛用于高档家具、医疗等行业。现在普通慢回弹多是以TDI为原料的制品，但TDI挥发性强、毒性大，制品残留单体对健康不利，且透气性也差。另一种是以改性MDI为原料，但这种制品用同等量的发泡剂发泡密度大、改性MDI价格高无形中增加了成本。
发明内容
针对现有技术的不足，本发明的目的是提供一种PAPI型聚氨酯慢回弹海绵，以PAPI为原料，既环保健康也降低了原料成本；本发明还提供其制备方法，制备方法简单易实施。
本发明所述的PAPI型聚氨酯慢回弹海绵，由A组分和B组分按照以下重量份数制成：
A组分：
其中：基础聚醚的官能度为2～5、分子量500～2000，聚氧化乙烯链段60～100％、聚氧化丙烯链段0～50％；
B组分：多亚甲基多苯基多异氰酸酯   35～41份。
其中：本发明经过大量实验，选择聚醚MD-3000（淄博德信联邦化学工业有限公司生产）和基础聚醚与PAPI（多亚甲基多苯基多异氰酸酯）反应，其中基础聚醚的官能度为2～5、分子量500～2000，聚氧化乙烯链段60～100％、聚氧化丙烯链段0～50％；通过选择合适的官能度和分子量，能使产品保持一定的交联度，通过选择合适的聚氧化乙烯链段的含量来控制反应活性和泡孔结构。使制备得到的产品且对低温不敏感，冬天不会出现明显的变硬现象。础聚醚优选为淄博德信联邦化学工业有限公司生产的DE-800。
发泡剂为水。泡沫稳定剂为泡沫稳定剂B8002，美国迈图公司生产。
锡催化剂优选为锡催化剂T9，美国迈图公司生产。
胺催化剂优选为胺催化剂A33，美国巴斯夫生产。
开孔剂为聚硅氧烷或高聚氧化乙烯聚醚，高聚氧化乙烯聚醚优选为中山石化有限公司生产的KF-28。
催化剂A1为美国迈图公司生产。
多亚甲基多苯基多异氰酸酯，简称PAPI，或称粗MDI。由于PAPI的蒸汽压较TDI低，挥发度低，且成本较低，所以以PAPI为原料，既环保健康，又降低了原料成本。
锡催化剂T9主要作用是催化链增长凝胶反应，胺催化剂A33、二乙醇胺和催化剂A1主要催化和水的发泡反应，两类催化剂调节发泡和凝胶反应达到平衡，从而得到理想的泡孔结构，使制备得到的产品比TDI性慢回弹有更好的透气性，舒适度。
本发明所述的PAPI型聚氨酯慢回弹海绵的制备方法，将A组分各原料混合，A组分和B组分温度控制在15～25℃，将A组分和B组分在转速3000～5000r/min下混合搅拌5～15秒，倒入发泡磨具内，室温熟化24～48h，得到产品。
综上所述，本发明具有以下优点：
（1）本发明提供一种PAPI型聚氨酯慢回弹海绵，以PAPI为原料，PAPI的蒸汽压较TDI低，挥发度低，既环保健康，也降低了原料成本。
（2）比TDI性慢回弹有更好的透气性，舒适度。
（3）对低温不敏感，冬天不会出现明显的变硬现象。
（4）本发明还提供其制备方法，制备方法简单易实施。
具体实施方式
下面结合实施例对本发明做进一步说明。
实施例1
由A组分和B组分按照以下重量份数制成：
A组分：
将A组分各原料混合，A组分和B组分温度为15℃，将A组分和B组分在转速5000r/min下混合搅拌5秒，倒入发泡磨具内，室温熟化24h，得到产品。
实施例2
由A组分和B组分按照以下重量份数制成：
A组分：
将A组分各原料混合，A组分和B组分温度为25℃，将A组分和B组分在转速4000r/min下混合搅拌10秒，倒入发泡磨具内，室温熟化36h，得到产品。
实施例3
由A组分和B组分按照以下重量份数制成：
A组分：
将A组分各原料混合，A组分和B组分温度为20℃，将A组分和B组分在转速3000r/min下混合搅拌15秒，倒入发泡磨具内，室温熟化48h，得到产品。

Claims (8)

1.一种PAPI型聚氨酯慢回弹海绵，其特征在于：由A组分和B组分按照以下重量份数制成：
A组分：
聚醚MD-3000   10~40份
基础聚醚        40~85份
发泡剂         1.5~2.5份
泡沫稳定剂    0.8~1.2份
开孔剂         0.5~3份
锡催化剂       0.01~0.08份
胺催化剂       0.1~0.4份
二乙醇胺        0.1~0.6份
催化剂A1       0.01~0.05份
其中：基础聚醚的官能度为2~5、分子量为500~2000，聚氧化乙烯链段60~100％、聚氧化丙烯链段0~50％；
B组分：多亚甲基多苯基多异氰酸酯    35~41份；
发泡剂为水；
泡沫稳定剂为泡沫稳定剂B8002，美国迈图公司生产。
2.根据权利要求1所述的PAPI型聚氨酯慢回弹海绵，其特征在于：聚醚MD-3000为淄博德信联邦化学工业有限公司生产。
3.根据权利要求1所述的PAPI型聚氨酯慢回弹海绵，其特征在于：基础聚醚为淄博德信联邦化学工业有限公司生产的DE-800。
4.根据权利要求1所述的PAPI型聚氨酯慢回弹海绵，其特征在于：锡催化剂为锡催化剂T9，美国迈图公司生产。
5.根据权利要求1所述的PAPI型聚氨酯慢回弹海绵，其特征在于：胺催化剂为胺催化剂A33，美国巴斯夫生产。
6.根据权利要求1所述的PAPI型聚氨酯慢回弹海绵，其特征在于：开孔剂为聚硅氧烷或高聚氧化乙烯聚醚。
7.根据权利要求6所述的PAPI型聚氨酯慢回弹海绵，其特征在于：高聚氧化乙烯聚醚为中山石化有限公司生产的KF-28。
8.一种权利要求1-7任一所述的PAPI型聚氨酯慢回弹海绵的制备方法，其特征在于：将A组分各原料混合，A组分和B组分温度控制在15~25℃，将A组分和B组分在转速3000~5000r/min下混合搅拌5~15秒，倒入发泡磨具内，室温熟化24~48h，得到产品。
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CN104448225B (zh) * 2014-12-09 2017-01-25 淄博正大聚氨酯有限公司 电视背景墙用聚氨酯及其制备方法
CN104448201B (zh) * 2014-12-19 2017-10-10 淄博正大聚氨酯有限公司 聚氨酯吸音棉及其制备方法
CN105237719A (zh) * 2015-11-12 2016-01-13 淄博德信联邦化学工业有限公司 聚氨酯鞋垫及其制备方法
CN105461897B (zh) * 2016-01-19 2018-03-20 黎明化工研究设计院有限责任公司 复合型慢回弹聚氨酯软质泡沫及其制备方法
CN106065063A (zh) * 2016-07-21 2016-11-02 淄博德信联邦化学工业有限公司 耐低温高密度慢回弹海绵及其制备方法
CN109320953A (zh) * 2018-07-31 2019-02-12 谭楚霖 聚氨酯海绵
CN109438667A (zh) * 2018-11-06 2019-03-08 苏州环明电子科技有限公司 涂布生产用聚氨酯发泡组合料

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