CN113998932B - 一种粮仓用保温防水材料及其制备方法 - Google Patents
一种粮仓用保温防水材料及其制备方法 Download PDFInfo
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- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
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- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/40—Compounds containing silicon, titanium or zirconium or other organo-metallic compounds; Organo-clays; Organo-inorganic complexes
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- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
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- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
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- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
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- C04B2111/20—Resistance against chemical, physical or biological attack
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Abstract
本发明涉及一种粮仓用保温防水材料及其制备方法,属于保温材料技术领域,该材料包括如下重量份原料:膨胀珍珠岩40‑50份、蛭石粉30‑50份、水泥5‑10份、铝粉0.01‑0.02份、粘结剂30‑40份、纤维混合增强剂2‑5份、阻燃剂1‑1.8份;制备方法包括如下步骤:第一步、将原料混合,得到混合料;第二步、将混合料加入定型模具后,经排气、压制、保压使混合料达到密实状态,脱模,得毛坯;进行自然养护,后干燥。本发明中利用了无机材料的保温阻燃性能,配合有机材料使用,提高了保温材料的力学性能,纤维混合增强剂对材料的保温隔热效果有促进作用,配合复合纤维,提高材料的力学性能。
Description
技术领域
本发明属于保温材料技术领域,具体地,涉及一种粮仓用保温防水材料及其制备方法。
背景技术
粮食储备是为保证人口的粮食消费需求,调节粮食供求平衡、稳定粮食市场价格、应对重大自然灾害或其他突发事件而建立的一项物资储备制度。粮食在仓储过程必须做好防水处理,如果有水渗透到仓储的粮食中或者储存温度变化过大,可能导致粮食发生霉变、腐烂等,轻者影响粮食质量,重者导致粮食报废,产生不好的影响。
发明内容
为了解决背景技术中提到的技术问题,本发明提供一种粮仓用保温防水材料及其制备方法。
本发明的目的可以通过以下技术方案实现:
一种粮仓用保温防水材料,包括如下重量份原料:
膨胀珍珠岩40-50份、蛭石粉30-50份、水泥5-10份、铝粉0.01-0.02份、粘结剂30-40份、纤维混合增强剂2-5份、阻燃剂1-1.8份;
粘结剂为水玻璃和有机增强剂按照质量比1:0.5混合而成;有机增强剂通过如下步骤制备:
将丙烯酸正丁酯、丙烯酸乙酯、双丙酮丙烯酰胺、γ-甲基丙烯酰氧基丙基三甲氧基硅烷和可聚合单体混合,然后加入乳化剂和去离子水,混合均匀后,在温度为40℃条件下超声分散15mi n,然后加热至85℃,加入引发液,加完后升温至90℃,继续反应2h,反应结束后,过200目滤网,得到有机增强剂。
进一步地,丙烯酸正丁酯、丙烯酸乙酯、双丙酮丙烯酰胺和γ-甲基丙烯酰氧基丙基三甲氧基硅烷的用量摩尔比为1:1:0.8:0.5;乳化剂为十二烷基硫酸钠和聚氧乙烯辛基苯酚醚-10的质量比为3:2混合而成;乳化剂的添加量为单体总质量的5%;引发剂的用量为单体总质量的0.4%;引发剂为过硫酸钾;水的添加量和单体的总质量的用量比为5mL:1g;丙烯酸正丁酯和可聚合单体的用量质量比为1:0.3。
进一步地,可聚合单体通过如下步骤制备:
步骤S11、将乙二醇、三乙胺和四氢呋喃混合,在20℃条件下加入三氯氧磷,滴加结束后,保持温度不变,继续反应10h,反应结束后,减压浓缩除去四氢呋喃和过量的乙二醇,得到中间体1;
步骤S12、在温度为0℃条件下,将氯化偏苯三酸酐和吡啶混合,产生沉淀,然后加入四氢呋喃和中间体1,升温至20℃,搅拌反应16h,反应结束后,减压浓缩除去溶剂,得到中间体2;
步骤S13、将中间体2和乙酸溶液混合,加入烯丙胺,在20℃条件下搅拌反应50min,然后升温至120℃,搅拌反应8h,反应结束后,将得到的反应液和去离子水混合,过滤、洗涤、干燥得到可聚合单体。
进一步地,步骤S11中乙二醇、三乙胺和三氯氧磷的用量摩尔比为3.2:1:3;乙二醇和四氢呋喃的用量比为1g:3mL;步骤S12中氯化偏苯三酸酐和吡啶的用量摩尔比为1:1;中间体1和氯化偏苯三酸酐的用量质量比为1:3;步骤S13中中间体2和烯丙胺的用量质量比为14:1。
进一步地,纤维混合增强剂通过如下步骤制备:
将偏高岭土和磷酸溶液混合,搅拌10min,然后加入过氧化氢溶液和混合纤维,搅拌均匀备用。纤维混合增强剂中以偏高岭土为原料。过氧化氢作为发泡剂,提高了材料的成孔效果,对材料的保温隔热效果有促进作用,配合复合纤维,制得纤维混合增强剂,提高材料的力学性能。
进一步地,混合纤维为玻璃纤维和玄武岩纤维按照质量比1:1.1混合而成;过氧化氢溶液的质量分数为1%,过氧化氢溶液和磷酸溶液的用量体积比为5:1,磷酸溶液为磷酸和去离子水按照1.3g:8mL混合而成,混合纤维的添加量为偏高岭土质量的2.2%,偏高岭土和磷酸溶液的用量比为1.3g:1mL。
进一步地,阻燃剂为硼酸锌。
一种粮仓用保温防水材料的制备方法,包括如下步骤:
第一步、将膨胀珍珠岩、蛭石粉、水泥和铝粉混合,然后依次加入黏结剂、纤维混合增强剂、阻燃剂和水,混合均匀,得到混合料;其中,水的含量为5-10%;
第二步、将混合料加入定型模具后,将定型模具置于压力机中,经排气、压制、保压使混合料达到密实状态,脱模,得毛坯;密实状态是体积密度为1.0-1.5g/cm3;将所得毛坯进行自然养护5-7天,后干燥至毛坯水分含量小于0.5%,即得一种粮仓用保温防水材料。
本发明的有益效果:
本发明一种粮仓用保温防水材料,使用无机有机复合的黏结剂,提高原料之间的结合强度,粘结剂中的有机增强剂属于含磷型硅丙乳液,制备有机增强剂的原料中加入了可聚合单体,可聚合单体中以具有阻燃效果的磷酸酯即中间体1为原料,然后中间体1和氯化偏苯三酸酐反应,引入酸酐结构,得到中间体2,中间体2和烯丙胺反应,引入双键,得到可聚合单体,提高有机增强剂的阻燃性能。
本发明一种粮仓用保温防水材料的原料中,利用了无机材料的保温阻燃性能,配合有机材料使用,提高了保温材料的力学性能,本发明中加入了纤维混合增强剂,纤维混合增强剂中以偏高岭土为原料,过氧化氢作为发泡剂,提高了材料的成孔效果,对材料的保温隔热效果有促进作用,配合复合纤维,制得纤维混合增强剂,提高材料的力学性能。
具体实施方式
下面将结合本发明实施例,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其它实施例,都属于本发明保护的范围。
实施例1
制备纤维混合增强剂:
将偏高岭土和磷酸溶液混合,搅拌10min,然后加入过氧化氢溶液和混合纤维,搅拌均匀备用。其中,混合纤维为玻璃纤维和玄武岩纤维按照质量比1:1.1混合而成;过氧化氢溶液的质量分数为1%,过氧化氢溶液和磷酸溶液的用量体积比为5:1,磷酸溶液为磷酸和去离子水按照1.3g:8mL混合而成,混合纤维的添加量为偏高岭土质量的2.2%,偏高岭土和磷酸溶液的用量比为1.3g:1mL。
实施例2
制备可聚合单体:
步骤S11、将乙二醇、三乙胺和四氢呋喃混合,在20℃条件下加入三氯氧磷,滴加结束后,保持温度不变,继续反应10h,反应结束后,减压浓缩除去四氢呋喃和过量的乙二醇,得到中间体1;其中,乙二醇、三乙胺和三氯氧磷的用量摩尔比为3.2:1:3;乙二醇和四氢呋喃的用量比为1g:3mL;
步骤S12、在温度为0℃条件下,将氯化偏苯三酸酐和吡啶混合,产生沉淀,然后加入四氢呋喃和中间体1,升温至20℃,搅拌反应16h,反应结束后,减压浓缩除去溶剂,得到中间体2;其中,氯化偏苯三酸酐和吡啶的用量摩尔比为1:1;中间体1和氯化偏苯三酸酐的用量质量比为1:3;
步骤S13、将中间体2和乙酸溶液混合,加入烯丙胺,在20℃条件下搅拌反应50min,然后升温至120℃,搅拌反应8h,反应结束后,将得到的反应液和去离子水混合,过滤、洗涤、干燥得到可聚合单体。其中,中间体2和烯丙胺的用量质量比为14:1。
实施例3
制备粘结剂:
将丙烯酸正丁酯、丙烯酸乙酯、双丙酮丙烯酰胺、γ-甲基丙烯酰氧基丙基三甲氧基硅烷和可聚合单体混合,然后加入乳化剂和去离子水,混合均匀后,在温度为40℃条件下超声分散15min,然后加热至85℃,加入引发液,加完后升温至90℃,继续反应2h,反应结束后,过200目滤网,得到有机增强剂。将粘结剂为水玻璃和有机增强剂按照质量比1:0.5混合而成,得到粘结剂。
其中,丙烯酸正丁酯、丙烯酸乙酯、双丙酮丙烯酰胺和γ-甲基丙烯酰氧基丙基三甲氧基硅烷的用量摩尔比为1:1:0.8:0.5;乳化剂为十二烷基硫酸钠和聚氧乙烯辛基苯酚醚-10的质量比为3:2混合而成;乳化剂的添加量为单体总质量的5%;引发剂的用量为单体总质量的0.4%;引发剂为过硫酸钾;水的添加量和单体的总质量的用量比为5mL:1g;丙烯酸正丁酯和可聚合单体的用量质量比为1:0.3,可聚合单体为实施例2制得的。
实施例4
一种粮仓用保温防水材料的制备方法,包括如下步骤:
第一步、将膨胀珍珠岩、蛭石粉、水泥和铝粉混合,然后依次加入黏结剂、纤维混合增强剂、阻燃剂和水,混合均匀,得到混合料;其中,水的含量为5%;
第二步、将混合料加入定型模具后,将定型模具置于压力机中,经排气、压制、保压使混合料达到密实状态,脱模,得毛坯;将所得毛坯进行自然养护5天,后干燥至毛坯水分含量小于0.5%,即得一种粮仓用保温防水材料。
其中原料的质量份为:膨胀珍珠岩40份、蛭石粉30份、水泥5份、铝粉0.01份、粘结剂30份、纤维混合增强剂2份、阻燃剂1份;阻燃剂为硼酸锌,纤维混合增强剂为实施例1制得的;粘接剂为实施例3制得的。
实施例5
一种粮仓用保温防水材料的制备方法,包括如下步骤:
第一步、将膨胀珍珠岩、蛭石粉、水泥和铝粉混合,然后依次加入黏结剂、纤维混合增强剂、阻燃剂和水,混合均匀,得到混合料;其中,水的含量为8%;
第二步、将混合料加入定型模具后,将定型模具置于压力机中,经排气、压制、保压使混合料达到密实状态,脱模,得毛坯;将所得毛坯进行自然养护6天,后干燥至毛坯水分含量小于0.5%,即得一种粮仓用保温防水材料。
其中原料的质量份为:膨胀珍珠岩45份、蛭石粉40份、水泥8份、铝粉0.01份、粘结剂35份、纤维混合增强剂4份、阻燃剂1.5份;阻燃剂为硼酸锌,纤维混合增强剂为实施例1制得的;粘接剂为实施例3制得的。
实施例6
一种粮仓用保温防水材料的制备方法,包括如下步骤:
第一步、将膨胀珍珠岩、蛭石粉、水泥和铝粉混合,然后依次加入黏结剂、纤维混合增强剂、阻燃剂和水,混合均匀,得到混合料;其中,水的含量为10%;
第二步、将混合料加入定型模具后,将定型模具置于压力机中,经排气、压制、保压使混合料达到密实状态,脱模,得毛坯;将所得毛坯进行自然养护7天,后干燥至毛坯水分含量小于0.5%,即得一种粮仓用保温防水材料。
其中原料的质量份为:膨胀珍珠岩50份、蛭石粉50份、水泥10份、铝粉0.02份、粘结剂40份、纤维混合增强剂5份、阻燃剂1.8份;阻燃剂为硼酸锌,纤维混合增强剂为实施例1制得的;粘接剂为实施例3制得的。
对比例1
与实施例3相比不加可聚合单体其余原料及制备过程保持不变。
对比例2
与实施例5相比,将粘接剂换成对比例1制得的样品,其余原料及制备过程保持不变。
对比例3
与实施例5相比不添加纤维混合增强剂,其余原料及制备过程保持不变。
对实施例4-6和对比例2-3制得的样品进行测试,测试方法参照国家标准GB/T20473-2006,测试导热系数和抗压强度;燃烧测试参照国家标准GB8624-2006,测试结果如下表1所示:
表1
从上表1可知,本发明制得的保温材料抗压效果好,保温效果好。
在说明书的描述中,参考术语“一个实施例”、“示例”、“具体示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中,对上述术语的示意性表述不一定指的是相同的实施例或示例。而且,描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
以上内容仅仅是对本发明所作的举例和说明,所属本技术领域的技术人员对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代,只要不偏离发明或者超越本权利要求书所定义的范围,均应属于本发明的保护范围。
Claims (6)
1.一种粮仓用保温防水材料,其特征在于,包括如下重量份原料:膨胀珍珠岩40-50份、蛭石粉30-50份、水泥5-10份、铝粉0.01-0.02份、粘结剂30-40份、纤维混合增强剂2-5份、阻燃剂1-1.8份;粘结剂为水玻璃和有机增强剂按照质量比1:0.5混合而成;
有机增强剂通过如下步骤制备:
将丙烯酸正丁酯、丙烯酸乙酯、双丙酮丙烯酰胺、γ-甲基丙烯酰氧基丙基三甲氧基硅烷和可聚合单体混合,然后加入乳化剂和去离子水,混合均匀后,在温度为40℃条件下分散15min,然后加热至85℃,加入引发液,加完后升温至90℃,继续反应2h,过滤,得到有机增强剂;
所述可聚合单体通过如下步骤制备:
步骤S11、将乙二醇、三乙胺和四氢呋喃混合,在20℃条件下加入三氯氧磷,滴加结束后,保持温度不变,继续反应10h,得到中间体1;
步骤S12、在温度为0℃条件下,将氯化偏苯三酸酐和吡啶混合,产生沉淀,然后加入四氢呋喃和中间体1,升温至20℃,搅拌反应16h,得到中间体2;
步骤S13、将中间体2和乙酸溶液混合,加入烯丙胺,在20℃条件下搅拌反应50min,然后升温至120℃,搅拌反应8h,得到可聚合单体。
2.根据权利要求1所述的一种粮仓用保温防水材料,其特征在于,丙烯酸正丁酯、丙烯酸乙酯、双丙酮丙烯酰胺和γ-甲基丙烯酰氧基丙基三甲氧基硅烷的用量摩尔比为1:1:0.8:0.5;丙烯酸正丁酯和可聚合单体的用量质量比为1:0.3。
3.根据权利要求1所述的一种粮仓用保温防水材料,其特征在于,步骤S11中乙二醇、三乙胺和三氯氧磷的用量摩尔比为3.2:1:3;乙二醇和四氢呋喃的用量比为1g:3mL;步骤S12中氯化偏苯三酸酐和吡啶的用量摩尔比为1:1;中间体1和氯化偏苯三酸酐的用量质量比为1:3;步骤S13中中间体2和烯丙胺的用量质量比为14:1。
4.根据权利要求1所述的一种粮仓用保温防水材料,其特征在于,纤维混合增强剂通过如下步骤制备:
将偏高岭土和磷酸溶液混合,搅拌10min,然后加入过氧化氢溶液和混合纤维,搅拌均匀备用。
5.根据权利要求4所述的一种粮仓用保温防水材料,其特征在于,混合纤维为玻璃纤维和玄武岩纤维按照质量比1:1.1混合而成;混合纤维的添加量为偏高岭土质量的2.2%,偏高岭土和磷酸溶液的用量比为1.3g:1mL。
6.根据权利要求1所述的一种粮仓用保温防水材料的制备方法,其特征在于,包括如下步骤:
第一步、将膨胀珍珠岩、蛭石粉、水泥和铝粉混合,然后依次加入黏结剂、纤维混合增强剂、阻燃剂和水,混合均匀,得到混合料;
第二步、将混合料加入定型模具后,经排气、压制、保压使混合料达到密实状态,脱模,得毛坯;进行自然养护5-7天,后干燥至毛坯水分含量小于0.5%,即得一种粮仓用保温防水材料。
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