CN110041492B - 一种聚氨酯微型软质泡沫塑料 - Google Patents
一种聚氨酯微型软质泡沫塑料 Download PDFInfo
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Abstract
本发明公开了一种聚氨酯微型软质泡沫塑料,包括下述重量份:组分A:250~300份组分B:100份;所述组分A包括系数重量份:聚醚多元醇:30份聚酯多元醇:50份交联剂:50份催化剂:0.5份发泡剂:5份;所述组分B为异氰酸酯。2‑丁炔‑1,4‑二醇二甘油酯、泛醇基乙基醚、4‑[(1Z,3Z)‑4‑(3,4‑二羟基苯基)‑2,3‑二异氰基丁‑1,3‑二烯基]苯‑1,2‑二醇的添加来替代蓖麻油基,并且这些物质的链段的活性基团位置固定,因此反应条件也较为容易控制,生成的产物较为稳定,并且在实际生产中发现,其性能与蓖麻油基的聚氨酯相似,甚至更佳。
Description
技术领域
本发明涉及一种聚氨酯,更具体的说是涉及一种聚氨酯微型软质泡沫塑料。
背景技术
软质泡沫塑料(flexible foam)可压缩程度小,去除应力后可立即恢复原来形状,几乎无残余变形的泡沫塑料。
现有技术中采用了蓖麻油基的多元醇进行聚合合成软质泡沫塑料,含有蓖麻油基的软质泡沫塑料,具有较好的力学性能,但是蓖麻油基本身的侧基较多,反应过程不易控制,从而导致了产品的性能批次不同差异较大。
发明内容
针对现有技术存在的不足,本发明的目的在于提供一种不同批次性能差距较小的聚氨酯微型软质泡沫塑料。
为实现上述目的,本发明提供了如下技术方案:
一种聚氨酯微型软质泡沫塑料,
包括下述重量份:
组分A:250~300份
组分B:100份;
所述组分A包括系数重量份:
聚醚多元醇:30份
聚酯多元醇:50份
交联剂:50份
催化剂:0.5份
发泡剂:5份;
所述组分B为异氰酸酯;
作为本发明的进一步改进,
所述聚醚多元醇为
环氧丙烷与环氧乙烷的共聚物
2-丁炔-1,4-二醇二甘油酯
泛醇基乙基醚
的混合物。
作为本发明的进一步改进,
所述聚醚多元醇为质量比为10:1:1的环氧丙烷与环氧乙烷的共聚物、2-丁炔-1,4-二醇二甘油酯、泛醇基乙基醚的混合物。
作为本发明的进一步改进,
所述聚酯多元醇为:
苯酐聚酯多元醇
1,9-十七烯-4,6-二炔-3,8-二醇
4-[(1Z,3Z)-4-(3,4-二羟基苯基)-2,3-二异氰基丁-1,3-二烯基]苯-1,2-二醇
的混合物。
作为本发明的进一步改进,
所述聚酯多元醇为质量比为15:8:1的苯酐聚酯多元醇、1,9-十七烯-4,6-二炔-3,8-二醇、4-[(1Z,3Z)-4-(3,4-二羟基苯基)-2,3-二异氰基丁-1,3-二烯基]苯-1,2-二醇的混合物。
作为本发明的进一步改进,
所述交联剂为质量比为10:3的乙二醇和丙三醇的混合物。
作为本发明的进一步改进,
所述催化剂为二月桂酸二丁基锡和辛酸亚锡中的一种或多种。
作为本发明的进一步改进,
所述发泡剂为水。
本发明的有益效果,在本发明中,以传统的组分A和组分B进行合成聚氨酯塑料,在此过程中以异氰酸酯为主体,同时混合聚醚多元醇和聚酯多元醇进行聚合,从而反应生成聚氨酯,来替代蓖麻油基。并且在聚醚多元醇中,环氧丙烷与环氧乙烷的共聚物为常用的聚醚多元醇,来控制主链段,作为本发明的关键方案,通过添加少量的2-丁炔-1,4-二醇二甘油酯、泛醇基乙基醚来调节整体链段的性能,并且2-丁炔-1,4-二醇二甘油酯、泛醇基乙基醚的链段较短,容易控制;
在聚酯多元醇中,苯酐聚酯多元醇、1,9-十七烯-4,6-二炔-3,8-二醇为主链段,来控制整体链段的性能,并且添加少量的4-[(1Z,3Z)-4-(3,4-二羟基苯基)-2,3-二异氰基丁-1,3-二烯基]苯-1,2-二醇来调整整体链段性能。
因此本发明的关机技术点在于2-丁炔-1,4-二醇二甘油酯、泛醇基乙基醚、4-[(1Z,3Z)-4-(3,4-二羟基苯基)-2,3-二异氰基丁-1,3-二烯基]苯-1,2-二醇的添加来替代蓖麻油基,并且这些物质的链段的活性基团位置固定,因此反应条件也较为容易控制,生成的产物较为稳定,并且在实际生产中发现,其性能与蓖麻油基的聚氨酯相似,甚至更佳。
具体实施方式
实施例:
一种聚氨酯微型软质泡沫塑料,
包括下述重量份:
组分A:300份
组分B:100份;
所述组分A包括系数重量份:
聚醚多元醇:30份
聚酯多元醇:50份
交联剂:50份
催化剂:0.5份
发泡剂:5份;
所述组分B为异氰酸酯:
作为本发明的进一步改进,
所述聚醚多元醇为
环氧丙烷与环氧乙烷的共聚物
2-丁炔-1,4-二醇二甘油酯
泛醇基乙基醚
的混合物。
所述聚醚多元醇为质量比为10:1:1的环氧丙烷与环氧乙烷的共聚物、2-丁炔-1,4-二醇二甘油酯、泛醇基乙基醚的混合物。
所述聚酯多元醇为:
苯酐聚酯多元醇
1,9-十七烯-4,6-二炔-3,8-二醇
4-[(1Z,3Z)-4-(3,4-二羟基苯基)-2,3-二异氰基丁-1,3-二烯基]苯-1,2-二醇
的混合物。
所述聚酯多元醇为质量比为15:8:1的苯酐聚酯多元醇、1,9-十七烯-4,6-二炔-3,8-二醇、4-[(1Z,3Z)-4-(3,4-二羟基苯基)-2,3-二异氰基丁-1,3-二烯基]苯-1,2-二醇的混合物。
所述交联剂为质量比为10:3的乙二醇和丙三醇的混合物。
所述催化剂为二月桂酸二丁基锡和辛酸亚锡中的一种或多种。
所述发泡剂为水。
称取上述原料,将组分A和组分B混合,在搅拌速度控制在4500~5000r/min条件孝混合10~30s,之后加入到模具中,在30℃下发泡120s,之后室温下熟化7~8小时得到软质泡沫塑料。
进行30次的制备其中异氰酸酯采用MDI,进行测试力学性能,得到平均值,并计算方差。
综上所述,在本发明中,以传统的组分A和组分B进行合成聚氨酯塑料,在此过程中以异氰酸酯为主体,同时混合聚醚多元醇和聚酯多元醇进行聚合,从而反应生成聚氨酯,来替代蓖麻油基。并且在聚醚多元醇中,环氧丙烷与环氧乙烷的共聚物为常用的聚醚多元醇,来控制主链段,作为本发明的关键方案,通过添加少量的2-丁炔-1,4-二醇二甘油酯、泛醇基乙基醚来调节整体链段的性能,并且2-丁炔-1,4-二醇二甘油酯、泛醇基乙基醚的链段较短,容易控制;
在聚酯多元醇中,苯酐聚酯多元醇、1,9-十七烯-4,6-二炔-3,8-二醇为主链段,来控制整体链段的性能,并且添加少量的4-[(1Z,3Z)-4-(3,4-二羟基苯基)-2,3-二异氰基丁-1,3-二烯基]苯-1,2-二醇来调整整体链段性能。
因此本发明的关机技术点在于2-丁炔-1,4-二醇二甘油酯、泛醇基乙基醚、4-[(1Z,3Z)-4-(3,4-二羟基苯基)-2,3-二异氰基丁-1,3-二烯基]苯-1,2-二醇的添加来替代蓖麻油基,并且这些物质的链段的活性基团位置固定,因此反应条件也较为容易控制,生成的产物较为稳定,并且在实际生产中发现,其性能与蓖麻油基的聚氨酯相似,甚至更佳。
以上所述仅是本发明的优选实施方式,本发明的保护范围并不仅局限于上述实施例,凡属于本发明思路下的技术方案均属于本发明的保护范围。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前提下的若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。
Claims (4)
1.一种聚氨酯微型软质泡沫塑料,其特征在于:
包括下述重量份:
组分A:250~300份
组分B:100份;
所述组分A包括系数重量份:
聚醚多元醇:30份
聚酯多元醇:50份
交联剂:50份
催化剂:0.5份
发泡剂:5份;
所述组分B为异氰酸酯;
所述聚醚多元醇为质量比为10:1:1的环氧丙烷与环氧乙烷的共聚物、2-丁炔-1,4-二醇二甘油酯、泛醇基乙基醚的混合物;
所述聚酯多元醇为质量比为15:8:1的苯酐聚酯多元醇、1,9-十七烯-4,6-二炔-3,8-二醇、4-[(1Z,3Z)-4-(3,4-二羟基苯基)-2,3-二异氰基丁-1,3-二烯基]苯-1,2-二醇的混合物。
2.根据权利要求1所述的一种聚氨酯微型软质泡沫塑料,其特征在于:
所述交联剂为质量比为10:3的乙二醇和丙三醇的混合物。
3.根据权利要求1所述的一种聚氨酯微型软质泡沫塑料,其特征在于:
所述催化剂为二月桂酸二丁基锡和辛酸亚锡中的一种或多种。
4.根据权利要求1所述的一种聚氨酯微型软质泡沫塑料,其特征在于:
所述发泡剂为水。
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4514524A (en) * | 1984-07-13 | 1985-04-30 | Stauffer Chemical Company | Intumescent flexible polyurethane foam |
US5565498A (en) * | 1993-02-02 | 1996-10-15 | Imperial Chemical Industries Plc | Process for making flexible foams |
CN1171407A (zh) * | 1996-05-09 | 1998-01-28 | 井上株式会社 | 聚氨酯软泡沫塑料 |
CN107849216A (zh) * | 2015-08-04 | 2018-03-27 | 科思创德国股份有限公司 | 以提高的压缩强度制造聚酯型氨基甲酸酯柔性泡沫的方法 |
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- 2019-05-07 CN CN201910373623.6A patent/CN110041492B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4514524A (en) * | 1984-07-13 | 1985-04-30 | Stauffer Chemical Company | Intumescent flexible polyurethane foam |
US5565498A (en) * | 1993-02-02 | 1996-10-15 | Imperial Chemical Industries Plc | Process for making flexible foams |
CN1171407A (zh) * | 1996-05-09 | 1998-01-28 | 井上株式会社 | 聚氨酯软泡沫塑料 |
CN107849216A (zh) * | 2015-08-04 | 2018-03-27 | 科思创德国股份有限公司 | 以提高的压缩强度制造聚酯型氨基甲酸酯柔性泡沫的方法 |
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