CN106560482A - 一种具有节能减排效应的聚氨酯配方及生产工艺 - Google Patents

一种具有节能减排效应的聚氨酯配方及生产工艺 Download PDF

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CN106560482A
CN106560482A CN201610628627.0A CN201610628627A CN106560482A CN 106560482 A CN106560482 A CN 106560482A CN 201610628627 A CN201610628627 A CN 201610628627A CN 106560482 A CN106560482 A CN 106560482A
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李红领
庞钊
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COLORTECH (GUANGZHOU) CHEMICALS Co Ltd
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Abstract

本发明公开了一种具有节能减排效应的聚氨酯配方及生产工艺，所采用的原材料包含A和B两个组分，且A与B按重量份数的混合比例为100/40‑ 100/90，其中A组分由以下成分构成：混合聚醚、发泡剂、扩链剂和/或交联剂、表面活性剂、催化剂；B组分为二苯基甲烷二异氰酸酯与多元醇改性的预聚体；其制备过程为：将A组分加入到一个搅拌装置中并用一个转速为2000rpm以上、带搅拌浆头的立式搅拌器混合至少1分钟后，加入B组分一起混合至少5秒，然后将混合物倒入温度为20‑25℃的模具中，闭模至少5分钟后取出产品。本发明通过使用新型的高分子材料模具，可以完全避免脱模剂的使用，生产效率高并节约成本，能在常温条件下进行正常的生产，因而具有节能减排的效果。

Description

一种具有节能减排效应的聚氨酯配方及生产工艺
技术领域
本发明涉及一种聚氨酯材料，尤其是一种具有节能减排效应的聚氨酯配方及生产工艺。
背景技术
近段时间，随着鞋材淡季的持续延长，价格战在本土鞋材行业里越打越响。而价格战的打响，也进一步催化了整个鞋材行业竞争的白热化。如此背景下，为应对价格战，不少鞋材企业开始从内部“减压”，对内进行自我规范。与此同时，对外则是向中高端品类转型，以求获得更多的发展空间。聚氨酯弹性体在鞋材领域已经普遍应用，由于其具有缓冲性能好、质轻、耐磨、防滑等优点，现已成为制鞋工业中一种重要的配套材料，高尔夫球鞋、棒球鞋、足球鞋、滑雪鞋、旅游鞋、安全鞋等许多鞋的鞋底、鞋跟、鞋头、鞋垫等重要配件都是用聚氯酯弹性体制成的，不仅美观大方，而且舒适耐用，还能提高运动成绩。近年来开发出许多易加工新品种，如适于双色成型、能增加透明性和高流动、高回收的可提高加工生产效率型的聚氨酯弹性体，扩大了制鞋领域。而我国目前已成为全球制鞋基地，不仅对聚氨酯弹性体的需求大幅增加，而且对其技术的改进极为期望。在国家大力推行可持续发展战略，以及全球金融危机的大环境下，对新型的环保、低毒、无害、低成本、高性能聚氨酯弹性体材料的需求越来越高。在现有技术中，聚氨酯弹性体在生产时都要喷涂大量的脱模剂在模具上，使得制品容易从模具中取出，在生产过程中模具需要加热到一定的温度，但存在的问题为：由于要喷涂大量的脱模剂，脱模剂中含有大量的溶剂，如溶剂油、二氯甲烷等有害成分，会对现场的生产操作环境造成污染，对工人的健康有影响，此外模具的加热和保持生产需要的温度会消耗大量热能。
发明内容
针对现有技术的不足，本发明提供一种具有节能减排效应的聚氨酯配方及生产工艺，使得现场生产环境安全无污染，确保工人身心健康，并能减少热能消耗，降低生产成本。
本发明的技术方案为：一种具有节能减排效应的聚氨酯配方，其特征在于，配方包含A和B两个组分，且A与B按重量份数的混合比例为100/40- 100/90，其中A组分由以下成分构成：
混合聚醚：100份，混合聚醚由聚醚多元醇M和聚醚多元醇N构成，其中，
1）聚醚多元醇M：环氧丙烷-环氧乙烷共聚多元醇或其结合物，其中氧亚乙基单元含量不高于20%，平均官能度为2-4，平均羟值为20-120mgKOH/g， 其用量为相对于100份混合聚醚重量的50-100%，
2）聚醚多元醇N：采用环氧丙烷-环氧乙烷共聚多元醇或其与环氧丙烷、环氧乙烷中至少一种的结合物与丙烯氰、苯乙烯中的一种或两者混合物进行接枝共聚而成的聚合物，其中氧亚乙基单元含量不高于20%， 丙烯氰/苯乙烯含量为28-50%，平均官能度为2-4，平均羟值为15-56mgKOH/g， 其用量为相对于100份混合聚醚重量的0-50%；
发泡剂：用量为相对于100份混合聚醚重量的0.1-1.5%；
扩链剂和/或交联剂：用量为相对于100份混合聚醚重量的0-7%；
表面活性剂：用量为相对于100份混合聚醚重量的0.1-2.0%；
催化剂：用量为相对于100份混合聚醚重量的0.5-3.0%；
B组分为二苯基甲烷二异氰酸酯与多元醇改性的预聚体，其NCO%含量为15-25%，平均官能度为2.0-2.3。
作为本发明的进一步方案，所述配方还包括添加剂，添加剂选自色浆、内脱模剂、阻燃剂、填料、抗静电剂、香料、抗氧剂和光稳定剂中的至少一种，所述添加剂加入A组分中。
一种具有节能减排效应的聚氨酯生产工艺，其特征在于，其制备过程为：将A组分加入到一个搅拌装置中并用一个转速为2000rpm以上、带搅拌浆头的立式搅拌器混合至少1分钟后，加入B组分一起混合至少5秒，然后将混合物倒入温度为20-25℃的模具中，闭模至少5分钟后取出产品。
作为本发明的进一步方案，A组分与B组分混合反应后制得的泡棉密度范围为0.15-
0.5g/cm3。
作为本发明的进一步方案，加入B组分反应前的液体料温度应控制在25±3℃。
作为本发明的进一步方案，使用的模具为聚乙烯、聚四氟乙烯、聚丙烯等非极性聚烯烃类高分子材料制作而成的，使用以上材质的模具配合上述的A/B料，可以在常温(10-40℃)情况下，不对模具加热，并且不喷涂脱模剂，制作发泡聚氨酯鞋垫。
本发明的有益效果为：本发明通过使用新型的高分子材料模具，可以完全避免脱模剂的使用，生产效率高并节约成本，能在常温条件下进行正常的生产，因而具有节能减排的效果。
具体实施方式
下面对本发明的具体实施方式作进一步说明：
本发明所提供的具有节能减排效应的聚氨酯产品，其生产采用的原材料如下表所示：
配方含量表
1）A组分：
聚醚多元醇A 环氧丙烷-环氧乙烷共聚多元醇或其结合物，其中氧亚乙基单元含量为15%，平均官能度为3，平均羟值为56mgKOH/g
聚醚多元醇B 环氧丙烷-环氧乙烷共聚多元醇或其结合物，其中氧亚乙基单元含量为15%，平均官能度为2，平均羟值为30mgKOH/g
聚醚多元醇C 环氧丙烷-环氧乙烷共聚多元醇或其结合物与丙烯氰/苯乙烯或者两者混合物接枝共聚而成， 其中氧亚乙基单元含量为15%， 丙烯氰/苯乙烯含量为40%，平均官能度为3，平均羟值为25mgKOH/g
表面活性剂A：Evonik的TEGOSTAB B8715
扩链剂B：1，4-丁二醇 市售产品
交联剂C：三乙醇胺 市售产品
催化剂A：Air Products 公司的Dabco 33LV
催化剂B：Air Products公司的Dabco DC1027
发泡剂A：水
2）B组分：BASF公司生产的CS9500 C-B，具有大约20% 重量的NCO含量，官能度大约为2.05。
本发明的生产过程为：将A组分加入到一个2L塑料烧杯中，并用一个转速为3000rpm，带7cm直径的圆搅拌浆头的立式搅拌器混合1分钟然后加入B组分一起迅速混合5-8秒，将混合物倒入温度为20-25℃的10cm*20cm*1cm的PE模具中，闭模5分钟后取出产品，其间未反应前的液体料温度应控制在25±3℃，反应得到的产品在熟化72小时后，进行物理性能测试，测试结果如下表所示：
性能测试表
上述实施例和说明书中描述的只是说明本发明的原理和最佳实施例，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。

Claims (6)

1. 一种具有节能减排效应的聚氨酯配方，其特征在于，配方包含A和B两个组分，且A与B按重量份数的混合比例为100/40- 100/90，其中A组分由以下成分构成：
混合聚醚：100份，混合聚醚由聚醚多元醇M和聚醚多元醇N构成，其中，
1）聚醚多元醇M：环氧丙烷-环氧乙烷共聚多元醇或其结合物，其中氧亚乙基单元含量不高于20%，平均官能度为2-4，平均羟值为20-120mgKOH/g， 其用量为相对于100份混合聚醚重量的50-100%，
2）聚醚多元醇N：采用环氧丙烷-环氧乙烷共聚多元醇或其与环氧丙烷、环氧乙烷中至少一种的结合物与丙烯氰、苯乙烯中的一种或两者混合物进行接枝共聚而成的聚合物，其中氧亚乙基单元含量不高于20%， 丙烯氰/苯乙烯含量为28-50%，平均官能度为2-4，平均羟值为15-56mgKOH/g， 其用量为相对于100份混合聚醚重量的0-50%；
发泡剂：用量为相对于100份混合聚醚重量的0.1-1.5%；
扩链剂和/或交联剂：用量为相对于100份混合聚醚重量的0-7%；
表面活性剂：用量为相对于100份混合聚醚重量的0.1-2.0%；
催化剂：用量为相对于100份混合聚醚重量的0.5-3.0%；
B组分为二苯基甲烷二异氰酸酯与多元醇改性的预聚体，其NCO%含量为15-25%，平均官能度为2.0-2.3。
2.根据权利要求1所述的具有节能减排效应的聚氨酯配方，其特征在于：所述配方还包括添加剂，添加剂选自色浆、内脱模剂、阻燃剂、填料、抗静电剂、香料、抗氧剂和光稳定剂中的至少一种，所述添加剂加入A组分中。
3.根据权利要求1所述的具有节能减排效应的聚氨酯生产工艺，其特征在于，其制备过程为：将A组分加入到一个搅拌装置中并用一个转速为2000rpm以上、带搅拌浆头的立式搅拌器混合至少1分钟后，加入B组分一起混合至少5秒，然后将混合物倒入温度为20-25℃的模具中，闭模至少5分钟后取出产品。
4.根据权利要求3所述的具有节能减排效应的聚氨酯生产工艺，其特征在于：A组分与B组分混合反应后制得的泡棉密度范围为0.15-0.5g/cm3。
5.根据权利要求3所述的具有节能减排效应的聚氨酯生产工艺，其特征在于：加入B组分反应前的液体料温度应控制在25±3℃。
6.根据权利要求3所述的具有节能减排效应的聚氨酯生产工艺，其特征在于：所述模具为非极性聚烯烃类高分子材料制作而成。
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