CN109293868A - 一种应用于组合聚醚及泡沫的高阻燃聚酯多元醇复配物 - Google Patents
一种应用于组合聚醚及泡沫的高阻燃聚酯多元醇复配物 Download PDFInfo
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Abstract
本发明公开了一种应用于组合聚醚高阻燃聚酯多元醇复配物,涉及高阻燃聚酯多元醇复配物领域。本发明包括以下重量配比的原料制备而成:A组分100份、催化剂A 1‑2份、催化剂B 0.5‑1份、泡沫稳定剂2‑3份、化学发泡剂1‑3份、物理发泡剂20‑30份、B组分100‑150份,所述A组分由20‑40%的聚酯A、40‑60%的聚酯B、10‑30%的聚酯C混合制备而成,所述B组分为二苯基甲烷二异氰酸酯。本发明的有益效果在于:本发明原料来源广、成本低,通过不同类型阻燃聚酯复配,实现不同类型聚酯协同阻燃,大幅度提升阻燃效果,并且复配后氧指数以及压缩强度均有大幅度的提高,泡孔更加的细腻。
Description
技术领域
本发明主要涉及高阻燃聚酯多元醇复配物领域,具体是一种应用于组合聚醚及泡沫的高阻燃聚酯多元醇复配物。
背景技术
组合聚醚是聚氨酯硬泡的主要原料之一,又称白料,适用于建筑保温、保冷、太阳能、热水器、冷库、恒温库、啤酒罐、冷藏等需要保温保冷的各种场合。随着对聚氨酯保温材料阻燃性要求的提高,国内外都对阻燃有严苛的要求,规定聚氨酯泡沫必须超过一定阻燃等级才能使用。提高聚氨酯泡沫阻燃等级,一是通过添加TCPP等阻燃剂,通过提高TCPP的加入量,使得阻燃性达到所需要求,但是TCPP的加入量增大,使得白料的储存稳定性大大降低,对制品的物理性能也有严重的影响;二是使用阻燃聚醚或者阻燃聚酯,但是阻燃聚醚开发困难,价格昂贵;因此开发价格低廉、阻燃性高的阻燃聚酯具有重要的意义。单一聚酯往往通过结构阻燃或者元素阻燃,阻燃效果达不到现在阻燃要求。通过几种聚酯复配,实现几种聚酯协同阻燃,能够大幅度的提高阻燃性能。
发明内容
为解决现有技术的不足,本发明提供了一种应用于组合聚醚及泡沫的高阻燃聚酯多元醇复配物,原料来源广、成本低,复配后氧指数以及压缩强度均有大幅度的提高,泡孔更加的细腻。
本发明为实现上述目的,通过以下技术方案实现:
一种应用于组合聚醚及泡沫的高阻燃聚酯多元醇复配物,包括以下重量配比的原料制备而成:A组分100份、催化剂A 1-2份、催化剂B 0.5-1份、泡沫稳定剂2-3份、化学发泡剂1-3份、物理发泡剂20-30份、B组分100-150份,所述A组分由20-40%的聚酯A 、40-60%的聚酯B、10-30%的聚酯C混合制备而成,所述B组分为二苯基甲烷二异氰酸酯(MDI)。
所述聚酯A为含卤素聚酯多元醇。
所述聚酯B为有机磷系聚酯多元醇。
所述聚酯C为苯酐聚酯多元醇。
所述催化剂A为N,N二甲基环已胺。
所述催化剂B为异辛酸钾。
所述泡沫稳定剂为有机硅类表面活性剂,优选为L6868。
所述化学发泡剂为去离子水。
所述物理发泡剂为HCFC-141B。
上述应用于组合聚醚及泡沫的高阻燃聚酯多元醇复配物的制备方法,其特征在于:步骤如下:
1)将聚酯A、聚酯B、聚酯C混合制得A组分,然后将A组分、催化剂、泡沫稳定剂、化学发泡剂、物理发泡剂投到反应釜中,常温搅拌0.5-1h;
2)将步骤一制得的混合物与B组分混合,注入到模温在40℃-50℃的方模中,经过15-20min开模,在常温下放置24小时,切割成块得到本发明应用于组合聚醚及泡沫的高阻燃聚酯多元醇复配物。
对比现有技术,本发明的有益效果是:
发明应用于组合聚醚及泡沫的高阻燃聚酯多元醇复配物原料来源广、成本低,通过不同类型阻燃聚酯复配,实现不同类型聚酯协同阻燃,大幅度提升阻燃效果,并且复配后氧指数以及压缩强度均有大幅度的提高,泡孔更加的细腻,由单一聚酯最高氧指数24.6,复配聚酯氧指数提高至28.2,单一聚酯的泡沫强度最高265,复配聚酯泡沫强度提高至372。
具体实施方式
结合具体实施例,对本发明作进一步说明。应理解,这些实施例仅用于说明本发明而不用于限制本发明的范围。此外应理解,在阅读了本发明讲述的内容之后,本领域技术人员可以对本发明作各种改动或修改,这些等价形式同样落于本申请所限定的范围。
实施例1一种应用于组合聚醚及泡沫的高阻燃聚酯多元醇复配物,包括聚酯A30g、聚酯B 30g、聚酯C 40g、催化剂A 1g、催化剂B1g、泡沫稳定剂2g、化学发泡剂1.5g、物理发泡剂30g、MDI 100g。
实施例2一种应用于组合聚醚及泡沫的高阻燃聚酯多元醇复配物,包括聚酯A40g、聚酯B 30g、聚酯C 30g、催化剂A 1g、催化剂B1g、泡沫稳定剂2g、化学发泡剂1.5g、物理发泡剂30g、MDI 100g。
实施例3一种应用于组合聚醚及泡沫的高阻燃聚酯多元醇复配物,包括聚酯A40g、聚酯B 50g、聚酯C 10g、催化剂A 1g、催化剂B1g、泡沫稳定剂2g、化学发泡剂1.5g、物理发泡剂30g、MDI 100g。
对比例1一种应用于组合聚醚及泡沫的高阻燃物,包括聚酯A 100g、催化剂A 1g、催化剂B1g、泡沫稳定剂2g、化学发泡剂1.5g、物理发泡剂30g、MDI100g。
对比例2一种应用于组合聚醚及泡沫的高阻燃物,包括聚酯B 100g、催化剂A1g、催化剂B1g、泡沫稳定剂2g、化学发泡剂1.5g、物理发泡剂30g、MDI100g。
对比例3一种应用于组合聚醚及泡沫的高阻燃物,包括聚酯C 100g、催化剂A1g、催化剂B1g、泡沫稳定剂2g、化学发泡剂1.5g、物理发泡剂30g、MDI100g。
实验例:为了验证本发明应用于组合聚醚及泡沫的高阻燃聚酯多元醇复配物的性能,将实施例1-3与对比例1-3得到的物质在4000r/min搅拌机中搅拌8s,然后注入到方模中,20min后开模,放置一夜。将泡沫分别切割成1×1×15cm和5×5×5cm的规格进行分别测定氧指数和强度,得到结果如下表1所述:
表1测定结果表
由实验结果可知:单一聚酯最高氧指数24.6,复配聚酯氧指数提高至28.2,单一聚酯的泡沫强度最高265,复配聚酯泡沫强度提高至372,并且实施例3中的强度和氧指数均最高,性能最佳,表明本发明应用于组合聚醚及泡沫的高阻燃聚酯多元醇复配物复配后氧指数以及压缩强度均有大幅度的提高,泡孔更加的细腻,尺寸变化率更小,性能更佳。
Claims (10)
1.一种应用于组合聚醚及泡沫的高阻燃聚酯多元醇复配物,其特征在于:包括以下重量配比的原料制备而成:A组分100份、催化剂A1-2份、催化剂B0.5-1份、泡沫稳定剂2-3份、化学发泡剂1-3份、物理发泡剂20-30份、B组分100-150份,所述A组分由20-40%的聚酯A、40-60%的聚酯B、10-30%的聚酯C混合制备而成,所述B组分为二苯基甲烷二异氰酸酯。
2.根据权利要求1所述的一种应用于组合聚醚及泡沫的高阻燃聚酯多元醇复配物,其特征在于:所述聚酯A为含卤素聚酯多元醇。
3.根据权利要求1所述的一种应用于组合聚醚及泡沫的高阻燃聚酯多元醇复配物,其特征在于:所述聚酯B为有机磷系聚酯多元醇。
4.根据权利要求1所述的一种应用于组合聚醚及泡沫的高阻燃聚酯多元醇复配物,其特征在于:所述聚酯C为苯酐聚酯多元醇。
5.根据权利要求1所述的一种应用于组合聚醚及泡沫的高阻燃聚酯多元醇复配物,其特征在于:所述催化剂A为N,N二甲基环已胺。
6.根据权利要求1所述的一种应用于组合聚醚及泡沫的高阻燃聚酯多元醇复配物,其特征在于:所述催化剂B为异辛酸钾。
7.根据权利要求1所述的一种应用于组合聚醚及泡沫的高阻燃聚酯多元醇复配物,其特征在于:所述泡沫稳定剂为有机硅类表面活性剂。
8.根据权利要求1所述的一种应用于组合聚醚及泡沫的高阻燃聚酯多元醇复配物,其特征在于:所述化学发泡剂为去离子水。
9.根据权利要求1所述的一种应用于组合聚醚及泡沫的高阻燃聚酯多元醇复配物,其特征在于:所述物理发泡剂为HCFC-141B。
10.根据权利要求1-9任一项所述的一种应用于组合聚醚及泡沫的高阻燃聚酯多元醇复配物的制备方法,其特征在于:步骤如下:
1)将聚酯A、聚酯B、聚酯C混合制得A组分,然后将A组分、催化剂、泡沫稳定剂、化学发泡剂、物理发泡剂投到反应釜中,常温搅拌0.5-1h;
2)将步骤一制得的混合物与B组分混合,注入到模温在40℃-50℃的方模中,经过15-20min开模,在常温下放置24小时,切割成块得到本发明应用于组合聚醚及泡沫的高阻燃聚酯多元醇复配物。
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