CN107938932A - 玉米秸秆‑聚氨酯/岩棉复合隔墙板及其制备方法 - Google Patents
玉米秸秆‑聚氨酯/岩棉复合隔墙板及其制备方法 Download PDFInfo
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Abstract
本发明公开了一种玉米秸秆‑聚氨酯/岩棉复合隔墙板及其制备方法,该制备方法包括:1)将玉米秸秆进行破碎、帚化以制得秸秆纤维,接着将秸秆纤维、面粉、发泡剂、聚氨酯、三亚乙基二胺、二甲基硅氧烷、二月桂酸二丁锡、乙二醇进行发泡反应以制得发泡物;2)将白云石、玄武岩、凹凸棒土、纳米滑石粉、白炭黑、尿素进行熔融、拉丝、冷却以制得发泡岩棉纤维,接着将发泡岩棉纤维通过粘合剂进行固化、压缩以制得岩棉板芯;3)将发泡物涂覆于岩棉板芯的表面,然后冷却以制得玉米秸秆‑聚氨酯/岩棉复合隔墙板。该复合隔墙板具有优异的质轻和隔音的效果,同时该制备方法具有工序简单和原料易得优点。
Description
技术领域
本发明涉及隔墙板,具体地,涉及一种玉米秸秆-聚氨酯/岩棉复合隔墙板及其制备方法。
背景技术
隔墙板是现有建筑工程中常用的一种板材,其不仅起到隔断空间的作用,同时理想的隔墙板还需要满足防潮、抗震隔音、防火保温、占地小、强度好、施工便捷等优点。但是现有的隔墙板往往存在密度大,且隔音效果差的缺陷,进而使得隔墙板的品质难以得以提升。
发明内容
本发明的目的是提供一种玉米秸秆-聚氨酯/岩棉复合隔墙板及其制备方法,该复合隔墙板具有优异的质轻和隔音的效果,同时该制备方法具有工序简单和原料易得优点。
为了实现上述目的,本发明提供了本发明提供了一种玉米秸秆-聚氨酯/岩棉复合隔墙板的制备方法,包括:
1)将玉米秸秆进行破碎、帚化以制得秸秆纤维,接着将秸秆纤维、面粉、发泡剂、聚氨酯、三亚乙基二胺、二甲基硅氧烷、二月桂酸二丁锡、乙二醇进行发泡反应以制得发泡物;
2)将白云石、玄武岩、凹凸棒土、纳米滑石粉、白炭黑、尿素进行熔融、拉丝、冷却以制得发泡岩棉纤维,接着将发泡岩棉纤维通过粘合剂进行固化、压缩以制得岩棉板芯;
3)将发泡物涂覆于岩棉板芯的表面,然后冷却以制得玉米秸秆-聚氨酯/岩棉复合隔墙板。
本发明还提供了一种玉米秸秆-聚氨酯/岩棉复合隔墙板,该玉米秸秆-聚氨酯/岩棉复合隔墙板通过上述的制备方法制备而得。
通过上述技术方案,本发明通过上述各步骤以及各原料的共同作用使得制得的复合隔墙板具有优异的质轻和隔音的效果,同时该制备方法具有工序简单和原料易得优点。
本发明的其他特征和优点将在随后的具体实施方式部分予以详细说明。
具体实施方式
以下对本发明的具体实施方式进行详细说明。应当理解的是,此处所描述的具体实施方式仅用于说明和解释本发明,并不用于限制本发明。
本发明提供了一种玉米秸秆-聚氨酯/岩棉复合隔墙板的制备方法,包括:
1)将玉米秸秆进行破碎、帚化以制得秸秆纤维,接着将秸秆纤维、面粉、发泡剂、聚氨酯、三亚乙基二胺、二甲基硅氧烷、二月桂酸二丁锡、乙二醇进行发泡反应以制得发泡物;
2)将白云石、玄武岩、凹凸棒土、纳米滑石粉、白炭黑、尿素进行熔融、拉丝、冷却以制得发泡岩棉纤维,接着将发泡岩棉纤维通过粘合剂进行固化、压缩以制得岩棉板芯;
3)将发泡物涂覆于岩棉板芯的表面,然后冷却以制得玉米秸秆-聚氨酯/岩棉复合隔墙板。
在本发明的步骤1)中,各物料的用量可以在宽的范围内选择,但是为了使制得的复合隔墙板具有更优异的质轻和隔音的效果,优选地,在步骤1)中,秸秆纤维、面粉、发泡剂、聚氨酯、三亚乙基二胺、二甲基硅氧烷、二月桂酸二丁锡、乙二醇的重量比为100:20-25:8-16:55-63:2-4:8-11:1.5-2.5:18-28。
在本发明的步骤1)中,发泡反应的条件可以在宽的范围内选择,但是为了使制得的复合隔墙板具有更优异的质轻和隔音的效果,优选地,在步骤1)中,发泡反应满足以下条件:发泡温度为220-240℃,发泡时间为3-5h。
在本发明的步骤1)中,发泡剂的具体种类可以在宽的范围内选择,但是为了使制得的复合隔墙板具有更优异的质轻和隔音的效果,优选地,在步骤1)中,发泡剂由碳酸氢钠、偶氮二甲酰胺组成;并且,碳酸氢钠、偶氮二甲酰胺的重量比为1:0.5-0.8。
在本发明的步骤2)中,各物料的用量可以在宽的范围内选择,但是为了使制得的复合隔墙板具有更优异的质轻和隔音的效果,优选地,在步骤2)中,白云石、玄武岩、凹凸棒土、纳米滑石粉、白炭黑、尿素的重量比为100:100-120:55-60:17-29:8-17:33-40。
在本发明的步骤2)中,熔融的条件可以在宽的范围内选择,但是为了使制得的复合隔墙板具有更优异的质轻和隔音的效果,优选地,在步骤2)中,熔融满足以下条件:熔融温度为1660-1720℃,熔融时间为2-4h。
在本发明的步骤2)中,发泡岩棉纤维的直径可以在宽的范围内选择,但是为了使制得的复合隔墙板具有更优异的质轻和隔音的效果,优选地,在步骤2)中,发泡岩棉纤维的直径为0.3-0.6mm。
在本发明的步骤2)中,粘合剂的种类以及含量可以在宽的范围内选择,但是为了使制得的复合隔墙板具有更优异的质轻和隔音的效果,优选地,在步骤2)中,岩棉板芯中粘合剂的含量为12-18重量%,粘合剂选自酚醛树脂和/或环氧树脂。
在本发明的步骤2)中,固化以及压缩的条件可以在宽的范围内选择,但是为了使制得的复合隔墙板具有更优异的质轻和隔音的效果,优选地,固化的温度为190-200℃,压缩的压力为4-6MPa。
在本发明的步骤3)中,各物料的用量可以在宽的范围内选择,但是为了使制得的复合隔墙板具有更优异的质轻和隔音的效果,优选地,在步骤3)中,岩棉板芯、发泡物的重量比为10:2-4。
本发明还提供了一种玉米秸秆-聚氨酯/岩棉复合隔墙板,该玉米秸秆-聚氨酯/岩棉复合隔墙板通过上述的制备方法制备而得。
以下将通过实施例对本发明进行详细描述。
实施例1
1)将玉米秸秆进行破碎、帚化以制得秸秆纤维,接着将秸秆纤维、面粉、发泡剂(由重量比为1:0.7的碳酸氢钠、偶氮二甲酰胺组成)、聚氨酯、三亚乙基二胺、二甲基硅氧烷、二月桂酸二丁锡、乙二醇按照100:22:12:59:3:10:2:22的重量比进行发泡反应(发泡温度为230℃,发泡时间为4h)以制得发泡物;
2)将白云石、玄武岩、凹凸棒土、纳米滑石粉、白炭黑、尿素按照100:110:58:22:12:35的重量比进行熔融(熔融温度为1680℃,熔融时间为3h)、拉丝、冷却以制得发泡岩棉纤维(直径为0.5mm),接着将发泡岩棉纤维通过粘合剂(酚醛树脂和/或环氧树脂)进行于195℃下固化、于5MPa下压缩以制得岩棉板芯(粘合剂的含量为15重量%);
3)将发泡物涂覆于岩棉板芯的表面(岩棉板芯、发泡物的重量比为10:3),然后冷却以制得玉米秸秆-聚氨酯/岩棉复合隔墙板A1。
实施例2
1)将玉米秸秆进行破碎、帚化以制得秸秆纤维,接着将秸秆纤维、面粉、发泡剂(由重量比为1:0.5的碳酸氢钠、偶氮二甲酰胺组成)、聚氨酯、三亚乙基二胺、二甲基硅氧烷、二月桂酸二丁锡、乙二醇按照100:20:8:55:2:8:1.5:18的重量比进行发泡反应(发泡温度为220℃,发泡时间为3h)以制得发泡物;
2)将白云石、玄武岩、凹凸棒土、纳米滑石粉、白炭黑、尿素按照100:100:55:17:8:33的重量比进行熔融(熔融温度为1660℃,熔融时间为2h)、拉丝、冷却以制得发泡岩棉纤维(直径为0.3mm),接着将发泡岩棉纤维通过粘合剂(酚醛树脂和/或环氧树脂)进行于190℃下固化、于4MPa下压缩以制得岩棉板芯(粘合剂的含量为12重量%);
3)将发泡物涂覆于岩棉板芯的表面(岩棉板芯、发泡物的重量比为10:2),然后冷却以制得玉米秸秆-聚氨酯/岩棉复合隔墙板A2。
实施例3
1)将玉米秸秆进行破碎、帚化以制得秸秆纤维,接着将秸秆纤维、面粉、发泡剂(由重量比为1:0.8的碳酸氢钠、偶氮二甲酰胺组成)、聚氨酯、三亚乙基二胺、二甲基硅氧烷、二月桂酸二丁锡、乙二醇按照100:25:16:63:4:11:2.5:28的重量比进行发泡反应(发泡温度为240℃,发泡时间为5h)以制得发泡物;
2)将白云石、玄武岩、凹凸棒土、纳米滑石粉、白炭黑、尿素按照100:120:60:29:17:40的重量比进行熔融(熔融温度为1720℃,熔融时间为4h)、拉丝、冷却以制得发泡岩棉纤维(直径为0.6mm),接着将发泡岩棉纤维通过粘合剂(酚醛树脂和/或环氧树脂)进行于200℃下固化、于6MPa下压缩以制得岩棉板芯(粘合剂的含量为18重量%);
3)将发泡物涂覆于岩棉板芯的表面(岩棉板芯、发泡物的重量比为10:4),然后冷却以制得玉米秸秆-聚氨酯/岩棉复合隔墙板A3。
检测例1
按照JG/T169-2005检测上述检测上述复合隔墙板(板厚90mm)的面密度以及空气声隔声量,具体见表1。
表1
A1 | A2 | A3 | |
面密度(kg/m2) | 77 | 76 | 82 |
空气声隔声量(dB) | 50 | 48 | 55 |
以上详细描述了本发明的优选实施方式,但是,本发明并不限于上述实施方式中的具体细节,在本发明的技术构思范围内,可以对本发明的技术方案进行多种简单变型,这些简单变型均属于本发明的保护范围。
另外需要说明的是,在上述具体实施方式中所描述的各个具体技术特征,在不矛盾的情况下,可以通过任何合适的方式进行组合,为了避免不必要的重复,本发明对各种可能的组合方式不再另行说明。
此外,本发明的各种不同的实施方式之间也可以进行任意组合,只要其不违背本发明的思想,其同样应当视为本发明所公开的内容。
Claims (10)
1.一种玉米秸秆-聚氨酯/岩棉复合隔墙板的制备方法,其特征在于,包括:
1)将玉米秸秆进行破碎、帚化以制得秸秆纤维,接着将秸秆纤维、面粉、发泡剂、聚氨酯、三亚乙基二胺、二甲基硅氧烷、二月桂酸二丁锡、乙二醇进行发泡反应以制得发泡物;
2)将白云石、玄武岩、凹凸棒土、纳米滑石粉、白炭黑、尿素进行熔融、拉丝、冷却以制得发泡岩棉纤维,接着将所述发泡岩棉纤维通过粘合剂进行固化、压缩以制得岩棉板芯;
3)将所述发泡物涂覆于所述岩棉板芯的表面,然后冷却以制得玉米秸秆-聚氨酯/岩棉复合隔墙板。
2.根据权利要求1所述的制备方法,其中,在步骤1)中,所述秸秆纤维、面粉、发泡剂、聚氨酯、三亚乙基二胺、二甲基硅氧烷、二月桂酸二丁锡、乙二醇的重量比为100:20-25:8-16:55-63:2-4:8-11:1.5-2.5:18-28。
3.根据权利要求1所述的制备方法,其中,在步骤1)中,所述发泡反应满足以下条件:发泡温度为220-240℃,发泡时间为3-5h。
4.根据权利要求1所述的制备方法,其中,在步骤1)中,所述发泡剂由碳酸氢钠、偶氮二甲酰胺组成;并且,所述碳酸氢钠、偶氮二甲酰胺的重量比为1:0.5-0.8。
5.根据权利要求1-4中任意一项所述的制备方法,其中,在步骤2)中,所述白云石、玄武岩、凹凸棒土、纳米滑石粉、白炭黑、尿素的重量比为100:100-120:55-60:17-29:8-17:33-40。
6.根据权利要求5所述的制备方法,其中,在步骤2)中,所述熔融满足以下条件:熔融温度为1660-1720℃,熔融时间为2-4h。
7.根据权利要求5所述的制备方法,其中,在步骤2)中,所述发泡岩棉纤维的直径为0.3-0.6mm。
8.根据权利要求5所述的制备方法,其中,在步骤2)中,所述岩棉板芯中粘合剂的含量为12-18重量%,所述粘合剂选自酚醛树脂和/或环氧树脂;
优选地,所述固化的温度为190-200℃,所述压缩的压力为4-6MPa。
9.根据权利要求5所述的制备方法,其中,在步骤3)中,所述岩棉板芯、发泡物的重量比为10:2-4。
10.一种玉米秸秆-聚氨酯/岩棉复合隔墙板,其特征在于,所述玉米秸秆-聚氨酯/岩棉复合隔墙板通过权利要求1-9中任意一项所述的制备方法制备而得。
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