CN103709369B - 一种无氟环保型聚氨酯硬泡板材组合料 - Google Patents

一种无氟环保型聚氨酯硬泡板材组合料 Download PDF

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CN103709369B
CN103709369B CN201310654987.4A CN201310654987A CN103709369B CN 103709369 B CN103709369 B CN 103709369B CN 201310654987 A CN201310654987 A CN 201310654987A CN 103709369 B CN103709369 B CN 103709369B
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杨水清
蒋文俊
王荣华
陈玉龙
罗伟
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
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    • C08G18/00Polymeric products of isocyanates or isothiocyanates
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Abstract

本发明公开了一种无氟环保型聚氨酯硬泡板材组合料,其特征在于,按照质量份数计,组分如下:蔗糖类聚醚多元醇75~80份,甘油类聚醚多元醇20~25份,硅油1.5~2份,水2~2.5份,Ecomate5~10份,催化剂10.5份,催化剂21份;改性MDI的异氰酸根指数1.05~1.10。本发明的技术效果是:使用环境友好型发泡剂Ecomate作为发泡剂时,需要的添加份数几乎只要HCFC141b的一半用量就可以达到同样的发泡倍率。当将其用于聚氨酯硬泡板材组合料时,组合料流动性较使用HCFC141b的效果好。用该组合料制备的聚氨酯硬泡板材尺寸稳定性好,保温性能好。

Description

一种无氟环保型聚氨酯硬泡板材组合料
技术领域
本发明涉及一种无氟环保型聚氨酯硬泡板材组合料。
背景技术
聚氨酯硬质泡沫塑料广泛用于建筑、交通运输、冰箱冰柜、石油化工管道、航空军用等诸方面做隔热材料和结构材料。随着聚氨酯硬泡板材事业的不断发展推进,聚氨酯硬泡板材组合料的需求也越来越大,然而现在的发泡剂大多是含卤素的发泡剂,无法满足国际社会对环保的要求。长期以来,由于被用作聚氨酯硬泡发泡剂的氟氯烃(CFCs)对大气臭氧层有破坏作用,因而对其生产和使用有严格的规定。聚氨酯工业目前的一个努力目标就是CFCs的替代品,减少和停止CFCs的应用。CFCs氢化氯氟烃是现在公认的CFCs过渡性替代品。当前使用较多,且价格相对低廉的HCFC141b的臭氧消耗能(ODP)不为零,按蒙特利尔协定,HCHCs也将逐步被停止使用,取而代之的被称为零ODP的第三代发泡剂。因此,全球尤其是一些发达国家都在加速开发零ODP发泡系统。
国际上已研究开发了多种零ODP的聚氨酯发泡剂和发泡技术,其中物理性能与HCFC-141b接近的有五氟丙烷(HFC-245fa)、五氟丁烷(HFC-365mfc)和环戊烷等替代品,这三个替代品也是当前国际上最主要的HCFC-141b替代品。美国FoamSupplies,Inc公司开发了新一代零ODP、增温潜力值(GWP)约为1,无挥发性有机化合物(VOC)的环境友好型发泡剂Ecomate,与聚醚多元醇有很好的相容性,其主要成份是甲酸甲酯,分子量小,作为发泡剂使用时需要的添加份数比HCFC141b的少,几乎只要一半HCFC141b的用量就可以达到同样的发泡倍率。
发明内容
本发明提供了一种同时使用水和Ecomat作为聚氨酯硬泡板材组合料混合发泡剂,一种无氟环保型聚氨酯硬泡板材组合料,按照质量份数计,组分如下:
进一步地,一种无氟环保型聚氨酯硬泡板材组合料的制备方法,具体步骤如下:将上述蔗糖类聚醚多元醇、甘油类聚醚多元醇、硅油、水、无氟环保型发泡剂、催化剂1及催化剂2等按不同质量配比加入反应釜,控制转速在300~400rpm,常温下搅拌1.5~2h,放料即得聚氨酯组合料A料。然后将对应比例的改性MDI(改性MDI称为聚氨酯组合料B料,例如,当改性MDI的异氰酸根指数为1.05时,聚氨酯组合料A料为100份,对应的聚氨酯组合料B料则为105份)与聚氨酯组合料A料,通过聚氨酯连续板或间歇板生产工艺发泡,即得不同密度的聚氨酯硬泡板材。
进一步地,所述的蔗糖类聚醚多元醇的羟值范围为400~430mgKOH/g,且官能度范围为4~5。
进一步地,所述的甘油类聚醚多元醇为210~250mgKOH/g,且官能度范围为2.5~3.2。
进一步地,所述的硅油为美国迈图的L-6900、AK-8830的任意一种或两种。
进一步地,所述的无氟环保型发泡剂为美国FoamSupplies,Inc公司的Ecomate。
进一步地,所述的催化剂1为五甲基二乙烯三胺(PC-5)。
进一步地,所述的催化剂2为N,N-二甲基环己胺(PC-8)。
进一步地,所述的改性MDI为烟台万华的PM-200,日本聚氨酯工业株式会社的MR-200,巴斯夫M20S,拜尔44v20,锦湖三井M-200,亨斯迈5005,陶氏PAPI-135C等的任意一种或几种的混合物。
本发明的技术效果是:使用环境友好型发泡剂Ecomate作为发泡剂时,需要的添加份数比HCFC141b的少,几乎只要HCFC141b的一半用量就可以达到同样的发泡倍率。当将其用于聚氨酯硬泡板材组合料时,组合料流动性较使用HCFC141b的效果好。用该组合料制备的聚氨酯硬泡板材尺寸稳定性好,保温性能好。
具体实施方式
下面结合具体实施方式对本发明作进一步详细的说明。
实施例1:
一种无氟环保型聚氨酯硬泡板材组合料,按照质量份数计,组分如下:
将上述蔗糖类聚醚多元醇、甘油类聚醚多元醇、L-6900、水、Ecomate、PC-5及PC-8等按不同质量配比加入反应釜,控制转速在300~400rpm,常温下搅拌1.5~2h,放料即得聚氨酯组合料A料。然后将对应比例的改性MDI与聚氨酯组合料A料,通过聚氨酯连续板或间歇板生产工艺发泡,即得23.5Kg·m-3密度的聚氨酯硬泡板材。
实施例2:
一种无氟环保型聚氨酯硬泡板材组合料,按照质量份数计,组分如下:
将上述蔗糖类聚醚多元醇、甘油类聚醚多元醇、AK-2830、水、Ecomate、PC-5及PC-8等按不同质量配比加入反应釜,控制转速在300~400rpm,常温下搅拌1.5~2h,放料即得聚氨酯组合料A料。然后将对应比例的改性MDI与聚氨酯组合料A料,通过聚氨酯连续板或间歇板生产工艺发泡,即得30Kg·m-3密度的聚氨酯硬泡板材。

Claims (4)

1.一种无氟环保型聚氨酯硬泡板材组合料,其特征在于,按照质量份数计,组分如下:
所述的蔗糖类聚醚多元醇的羟值范围为400~430mgKOH/g,且官能度范围为4~5;所述的甘油类聚醚多元醇为210~250mgKOH/g,且官能度范围为2.5~3.2;所述的无氟环保型发泡剂为美国FoamSupplies,Inc公司的Ecomate,所述的催化剂1为五甲基二乙烯三胺,所述的催化剂2为N,N-二甲基环己胺。
2.一种如权利要求1所述的无氟环保型聚氨酯硬泡板材组合料的制备方法,其特征在于,具体步骤如下:将蔗糖类聚醚多元醇、甘油类聚醚多元醇、硅油、水、无氟环保型发泡剂、催化剂1及催化剂2按质量配比加入反应釜,控制转速在300~400rpm,常温下搅拌1.5~2h,放料即得聚氨酯组合料A料;然后将对应比例的改性MDI与聚氨酯组合料A料,通过聚氨酯连续板或间歇板生产工艺发泡,即得不同密度的聚氨酯硬泡板材。
3.根据权利要求1所述的一种无氟环保型聚氨酯硬泡板材组合料,其特征在于,所述的硅油为美国迈图的L-6900、AK-8830的任意一种或两种。
4.根据权利要求1所述的一种无氟环保型聚氨酯硬泡板材组合料,其特征在于,所述的改性MDI为烟台万华的PM-200,日本聚氨酯工业株式会社的MR-200,巴斯夫M20S,拜尔44v20,锦湖三井M-200,亨斯迈5005,陶氏PAPI-135C的任意一种或几种混合。
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CN106188485B (zh) * 2016-08-01 2019-08-20 山东一诺威新材料有限公司 聚氨酯泡沫塑料发泡材料及其制备方法和应用
CN106632953B (zh) * 2016-12-28 2019-10-01 上海东大聚氨酯有限公司 一种聚氨酯仿木用组合聚醚、原料组合物及其使用方法
CN106832209B (zh) * 2017-01-23 2019-07-12 山东一诺威新材料有限公司 超高密度高强度聚氨酯喷涂材料及其制备方法和应用
CN107474213A (zh) * 2017-06-29 2017-12-15 扬中市天正合成材料研究中心 一种保险杠下杠环保阻燃聚氨酯发泡材料及制备方法
CN107383308A (zh) * 2017-06-29 2017-11-24 扬中市天正合成材料研究中心 保险杠环保阻燃发泡材料及制备方法
CN107266647A (zh) * 2017-06-30 2017-10-20 扬中市天正合成材料研究中心 用于动车密封条的硬泡聚氨酯发泡材料及其制备方法
CN109320677A (zh) * 2018-09-29 2019-02-12 俞宝兴 绿色环保型聚氨酯硬泡组合聚醚、聚氨酯硬泡及制备方法

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Address before: No. 1508, North Longjiang Road, Binjiang Chemical Industry Park, Xinbei District, Changzhou, Jiangsu Province, 213000

Patentee before: JIANGSU YINGTIAN CHEMICAL Co.,Ltd.

CP03 Change of name, title or address