CN106630988A - 一种改性云母粉保温砖的制备方法 - Google Patents
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- 239000000843 powder Substances 0.000 title claims abstract description 118
- 239000010445 mica Substances 0.000 title claims abstract description 38
- 229910052618 mica group Inorganic materials 0.000 title claims abstract description 38
- 239000011449 brick Substances 0.000 title claims abstract description 36
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000001238 wet grinding Methods 0.000 claims abstract description 14
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 13
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 13
- 241001330002 Bambuseae Species 0.000 claims abstract description 13
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 13
- 239000011425 bamboo Substances 0.000 claims abstract description 13
- 239000003610 charcoal Substances 0.000 claims abstract description 13
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 13
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000010457 zeolite Substances 0.000 claims abstract description 13
- 235000019362 perlite Nutrition 0.000 claims abstract description 12
- 238000005245 sintering Methods 0.000 claims abstract description 11
- 239000006004 Quartz sand Substances 0.000 claims abstract description 7
- 238000009837 dry grinding Methods 0.000 claims abstract description 5
- 239000010451 perlite Substances 0.000 claims abstract description 5
- 238000001035 drying Methods 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 30
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 21
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 17
- 238000002156 mixing Methods 0.000 claims description 13
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 claims description 12
- DQMUQFUTDWISTM-UHFFFAOYSA-N O.[O-2].[Fe+2].[Fe+2].[O-2] Chemical compound O.[O-2].[Fe+2].[Fe+2].[O-2] DQMUQFUTDWISTM-UHFFFAOYSA-N 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 11
- 239000000178 monomer Substances 0.000 claims description 9
- 238000004062 sedimentation Methods 0.000 claims description 9
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- 238000010792 warming Methods 0.000 claims description 9
- PEEHTFAAVSWFBL-UHFFFAOYSA-N Maleimide Chemical compound O=C1NC(=O)C=C1 PEEHTFAAVSWFBL-UHFFFAOYSA-N 0.000 claims description 8
- 239000002202 Polyethylene glycol Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 229920001223 polyethylene glycol Polymers 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 238000001694 spray drying Methods 0.000 claims description 7
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims description 6
- 238000007781 pre-processing Methods 0.000 claims description 6
- 239000010453 quartz Substances 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- 235000019441 ethanol Nutrition 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- -1 γ-aminopropyl Chemical group 0.000 claims description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims 3
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 claims 1
- 238000002604 ultrasonography Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000498 ball milling Methods 0.000 abstract 1
- 239000003518 caustics Substances 0.000 abstract 1
- 239000003245 coal Substances 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 abstract 1
- 230000001376 precipitating effect Effects 0.000 abstract 1
- 238000004321 preservation Methods 0.000 abstract 1
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- 239000010802 sludge Substances 0.000 abstract 1
- 239000012774 insulation material Substances 0.000 description 4
- 230000000994 depressogenic effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 125000005909 ethyl alcohol group Chemical group 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- CWAFVXWRGIEBPL-UHFFFAOYSA-N ethoxysilane Chemical compound CCO[SiH3] CWAFVXWRGIEBPL-UHFFFAOYSA-N 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- FTNWMFYRUOKPER-UHFFFAOYSA-N benzene;pyrrole-2,5-dione Chemical compound C1=CC=CC=C1.O=C1NC(=O)C=C1 FTNWMFYRUOKPER-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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- 238000007906 compression Methods 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 125000004356 hydroxy functional group Chemical group O* 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
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Abstract
本发明公开了一种改性云母粉保温砖的制备方法,包括如下步骤:将改性云母粉、膨胀珍珠岩、三氧化二铁、煤矸石、赤泥、硝酸钙、碱渣、滑石粉、沸石粉、竹炭粉、石英砂、水装入球磨罐内湿磨,倒出,在空气中自然沉淀,过滤;放入烘箱中干燥,干磨,过筛,送入冷压模具中加压至30‑50kN,保压5‑15min,脱模;放在干燥通风的环境中自然干燥,置于烧结炉中于大气气氛下升温至700‑900℃,保温,降温至室温,得到改性云母粉保温砖。本发明保温效果好,热稳定性,机械性能优异,使用寿命长,且制备方法简单,便于实际操作。
Description
技术领域
本发明涉及保温砖技术领域,尤其涉及一种改性云母粉保温砖的制备方法。
背景技术
目前,建筑保温材料以有机保温材料占据主导地位,这类保温材料不仅质轻、隔音、隔热、保温性能好,而且生产工艺简单,安装方便,但是这类保温材料属易燃材料,具有引发火灾的危险性。一旦发生火灾,燃烧速度极快,如果扑救不及时,后果不堪设想。云母粉是一种性能优越的隔热、吸声、防潮、防火的轻质高强材料,国内对云母粉的回收利用技术还不成熟,将这些堆积如山的云母粉运往何方,是企业面临的一个棘手问题,而将云母粉用于保温砖还未见报道。
发明内容
本发明提出了一种改性云母粉保温砖的制备方法,制品保温效果好,热稳定性,机械性能优异,使用寿命长。
本发明提出的一种改性云母粉保温砖的制备方法,包括如下步骤:
S1、将改性云母粉、膨胀珍珠岩、三氧化二铁、煤矸石、赤泥、硝酸钙、碱渣、滑石粉、沸石粉、竹炭粉、石英砂、水装入球磨罐内湿磨,倒出,在空气中自然沉淀,过滤;
S2、将S1得到的物料放入烘箱中干燥,干磨,过筛,送入冷压模具中加压至30-50kN,保压5-15min,脱模;
S3、放在干燥通风的环境中自然干燥,置于烧结炉中于大气气氛下升温至700-900℃,保温,降温至室温,得到改性云母粉保温砖。
优选地,在S1中,按重量份将40-80份改性云母粉、10-18份膨胀珍珠岩、5-12份三氧化二铁、20-40份煤矸石、5-15份赤泥、12-18份硝酸钙、15-25份碱渣、5-10份滑石粉、10-18份沸石粉、1-5份竹炭粉、4-12份石英砂、40-80份水装入球磨罐内湿磨。
优选地,在S1中,湿磨时间为1-4h。
优选地,在S2中,烘箱温度为105-125℃。
优选地,在S3中,升温速度为2-4℃/min。
优选地,改性云母粉采用如下工艺制备:将云母粉、无水乙醇混合搅拌,超声分散,取上层液喷雾干燥,加入水超声分散,加入聚乙二醇在温度65-75℃搅拌,过滤,干燥,加入甲苯混合搅拌,加入γ-氨丙基三乙氧基硅烷在温度55-65℃搅拌,过滤,干燥,得到预处理云母粉;将N-(4-羧基苯基)马来酰亚胺单体、N,N-二甲基甲酰胺混合搅拌,搅拌温度为55-75℃,加入氯化亚砜继续搅拌,加入预处理云母粉搅拌,过滤,在温度130-140℃干燥,得到改性云母粉。
优选地,云母粉、聚乙二醇、γ-氨丙基三乙氧基硅烷的重量比为15-25:2-8:2-6。
优选地,N-(4-羧基苯基)马来酰亚胺单体、预处理云母粉的重量比为2-6:30-40。
优选地,所述的改性云母粉保温砖的制备方法,包括如下步骤:
S1、按重量份将40-80份改性云母粉、10-18份膨胀珍珠岩、5-12份三氧化二铁、20-40份煤矸石、5-15份赤泥、12-18份硝酸钙、15-25份碱渣、5-10份滑石粉、10-18份沸石粉、1-5份竹炭粉、4-12份石英砂、40-80份水装入球磨罐内湿磨1-4h,倒出,在空气中自然沉淀2-5天,过滤;
S2、将S1得到的物料放入105-125℃烘箱中干燥10-15h,干磨20-40h,过筛,送入冷压模具中加压至30-50kN,保压5-15min,脱模;
S3、放在干燥通风的环境中自然干燥5-12h,置于烧结炉中于大气气氛下以2-4℃/min速度升温至700-900℃,保温5-12min,降温至室温,得到改性云母粉保温砖。
优选地,改性云母粉采用如下工艺制备:
按重量份将15-25份云母粉、60-80份无水乙醇混合搅拌60-100min,搅拌速度为400-500r/min,超声分散30-50min,取上层液喷雾干燥,加入40-80份水超声分散,加入2-8份聚乙二醇在温度65-75℃搅拌0.5-1.5h,过滤,干燥,加入60-100份甲苯混合搅拌2-4h,搅拌速度为500-700r/min,加入2-6份γ-氨丙基三乙氧基硅烷在温度55-65℃搅拌1-3h,过滤,干燥,得到预处理云母粉;
按重量份将2-6份N-(4-羧基苯基)马来酰亚胺单体、60-100份N,N-二甲基甲酰胺混合搅拌60-100min,搅拌温度为55-75℃,加入1-4份氯化亚砜继续搅拌0.5-2.5h,加入30-40份预处理云母粉搅拌40-80min,过滤,在温度130-140℃干燥2-8h,得到改性云母粉。
本发明的改性云母粉中,云母粉经过预处理后与聚乙二醇作用,聚乙二醇分子可进入预处理后的云母粉的层间距中,不仅羟基密度大,且间距大的片层状结构更不易团聚,而γ-氨丙基三乙氧基硅烷在云母粉表面接枝活性氨基,而N-(4-羧基苯基)马来酰亚胺苯环上具有五个取代基,反应活性极高,与预处理云母粉作用不仅接枝率高,且可与膨胀珍珠岩、三氧化二铁、煤矸石、赤泥、硝酸钙、碱渣、滑石粉、沸石粉、竹炭粉、石英砂共混,相互间分散性极好,吸附能力强,在大气气氛中烧结,特定的烧结温度、升温及保温方式,得到制品晶粒尺寸、气孔尺寸及晶界形状及分布好,可满足保温砖的常规性能要求,又达到容重很小的技术效果,形成的砖体不仅机械性能好,且热稳定性能优异。
具体实施方式
下面,通过具体实施例对本发明的技术方案进行详细说明。
实施例1
一种改性云母粉保温砖的制备方法,包括如下步骤:
S1、将改性云母粉、膨胀珍珠岩、三氧化二铁、煤矸石、赤泥、硝酸钙、碱渣、滑石粉、沸石粉、竹炭粉、石英砂、水装入球磨罐内湿磨,倒出,在空气中自然沉淀,过滤;
S2、将S1得到的物料放入烘箱中干燥,干磨,过筛,送入冷压模具中加压至30kN,保压15min,脱模;
S3、放在干燥通风的环境中自然干燥,置于烧结炉中于大气气氛下升温至700℃,保温,降温至室温,得到改性云母粉保温砖。
实施例2
一种改性云母粉保温砖的制备方法,包括如下步骤:
S1、将改性云母粉、膨胀珍珠岩、三氧化二铁、煤矸石、赤泥、硝酸钙、碱渣、滑石粉、沸石粉、竹炭粉、石英砂、水装入球磨罐内湿磨,倒出,在空气中自然沉淀,过滤;
S2、将S1得到的物料放入烘箱中干燥,干磨,过筛,送入冷压模具中加压至50kN,保压5min,脱模;
S3、放在干燥通风的环境中自然干燥,置于烧结炉中于大气气氛下升温至900℃,保温,降温至室温,得到改性云母粉保温砖。
实施例3
一种改性云母粉保温砖的制备方法,包括如下步骤:
S1、按重量份将80份改性云母粉、10份膨胀珍珠岩、12份三氧化二铁、20份煤矸石、15份赤泥、12份硝酸钙、25份碱渣、5份滑石粉、18份沸石粉、1份竹炭粉、12份石英砂、40份水装入球磨罐内湿磨4h,倒出,在空气中自然沉淀2天,过滤;
S2、将S1得到的物料放入125℃烘箱中干燥10h,干磨40h,过筛,送入冷压模具中加压至30kN,保压15min,脱模;
S3、放在干燥通风的环境中自然干燥5h,置于烧结炉中于大气气氛下以4℃/min速度升温至700℃,保温12min,降温至室温,得到改性云母粉保温砖。
改性云母粉采用如下工艺制备:
按重量份将15份云母粉、80份无水乙醇混合搅拌60min,搅拌速度为500r/min,超声分散30min,取上层液喷雾干燥,加入80份水超声分散,加入2份聚乙二醇在温度75℃搅拌0.5h,过滤,干燥,加入100份甲苯混合搅拌2h,搅拌速度为700r/min,加入2份γ-氨丙基三乙氧基硅烷在温度65℃搅拌1h,过滤,干燥,得到预处理云母粉;
按重量份将6份N-(4-羧基苯基)马来酰亚胺单体、60份N,N-二甲基甲酰胺混合搅拌100min,搅拌温度为55℃,加入4份氯化亚砜继续搅拌0.5h,加入40份预处理云母粉搅拌40min,过滤,在温度140℃干燥2h,得到改性云母粉。
实施例4
一种改性云母粉保温砖的制备方法,包括如下步骤:
S1、按重量份将40份改性云母粉、18份膨胀珍珠岩、5份三氧化二铁、40份煤矸石、5份赤泥、18份硝酸钙、15份碱渣、10份滑石粉、10份沸石粉、5份竹炭粉、4份石英砂、80份水装入球磨罐内湿磨1h,倒出,在空气中自然沉淀5天,过滤;
S2、将S1得到的物料放入105℃烘箱中干燥15h,干磨20h,过筛,送入冷压模具中加压至50kN,保压5min,脱模;
S3、放在干燥通风的环境中自然干燥12h,置于烧结炉中于大气气氛下以2℃/min速度升温至900℃,保温5min,降温至室温,得到改性云母粉保温砖。
改性云母粉采用如下工艺制备:
按重量份将25份云母粉、60份无水乙醇混合搅拌100min,搅拌速度为400r/min,超声分散50min,取上层液喷雾干燥,加入40份水超声分散,加入8份聚乙二醇在温度65℃搅拌1.5h,过滤,干燥,加入60份甲苯混合搅拌4h,搅拌速度为500r/min,加入-6份γ-氨丙基三乙氧基硅烷在温度55℃搅拌3h,过滤,干燥,得到预处理云母粉;
按重量份将2份N-(4-羧基苯基)马来酰亚胺单体、100份N,N-二甲基甲酰胺混合搅拌60min,搅拌温度为75℃,加入1份氯化亚砜继续搅拌2.5h,加入30份预处理云母粉搅拌80min,过滤,在温度130℃干燥8h,得到改性云母粉。
实施例5
一种改性云母粉保温砖的制备方法,包括如下步骤:
S1、按重量份将60份改性云母粉、16份膨胀珍珠岩、10份三氧化二铁、32份煤矸石、12份赤泥、16份硝酸钙、22份碱渣、8份滑石粉、14份沸石粉、3份竹炭粉、8份石英砂、60份水装入球磨罐内湿磨2h,倒出,在空气中自然沉淀3天,过滤;
S2、将S1得到的物料放入118℃烘箱中干燥12h,干磨32h,过筛,送入冷压模具中加压至42kN,保压8min,脱模;
S3、放在干燥通风的环境中自然干燥10h,置于烧结炉中于大气气氛下以3℃/min速度升温至820℃,保温8min,降温至室温,得到改性云母粉保温砖。
改性云母粉采用如下工艺制备:
按重量份将22份云母粉、72份无水乙醇混合搅拌80min,搅拌速度为420r/min,超声分散42min,取上层液喷雾干燥,加入60份水超声分散,加入6份聚乙二醇在温度72℃搅拌1h,过滤,干燥,加入85份甲苯混合搅拌3h,搅拌速度为620r/min,加入4份γ-氨丙基三乙氧基硅烷在温度62℃搅拌2h,过滤,干燥,得到预处理云母粉;
按重量份将4份N-(4-羧基苯基)马来酰亚胺单体、92份N,N-二甲基甲酰胺混合搅拌80min,搅拌温度为62℃,加入2份氯化亚砜继续搅拌1.5h,加入38份预处理云母粉搅拌62min,过滤,在温度132℃干燥6h,得到改性云母粉。
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,根据本发明的技术方案及其发明构思加以等同替换或改变,都应涵盖在本发明的保护范围之内。
Claims (10)
1.一种改性云母粉保温砖的制备方法,其特征在于,包括如下步骤:
S1、将改性云母粉、膨胀珍珠岩、三氧化二铁、煤矸石、赤泥、硝酸钙、碱渣、滑石粉、沸石粉、竹炭粉、石英砂、水装入球磨罐内湿磨,倒出,在空气中自然沉淀,过滤;
S2、将S1得到的物料放入烘箱中干燥,干磨,过筛,送入冷压模具中加压至30-50kN,保压5-15min,脱模;
S3、放在干燥通风的环境中自然干燥,置于烧结炉中于大气气氛下升温至700-900℃,保温,降温至室温,得到改性云母粉保温砖。
2.根据权利要求1所述的改性云母粉保温砖的制备方法,其特征在于,在S1中,按重量份将40-80份改性云母粉、10-18份膨胀珍珠岩、5-12份三氧化二铁、20-40份煤矸石、5-15份赤泥、12-18份硝酸钙、15-25份碱渣、5-10份滑石粉、10-18份沸石粉、1-5份竹炭粉、4-12份石英砂、40-80份水装入球磨罐内湿磨。
3.根据权利要求1所述的改性云母粉保温砖的制备方法,其特征在于,在S1中,湿磨时间为1-4h。
4.根据权利要求1所述的改性云母粉保温砖的制备方法,其特征在于,在S2中,烘箱温度为105-125℃。
5.根据权利要求1所述的改性云母粉保温砖的制备方法,其特征在于,在S3中,升温速度为2-4℃/min。
6.根据权利要求1所述的改性云母粉保温砖的制备方法,其特征在于,改性云母粉采用如下工艺制备:将云母粉、无水乙醇混合搅拌,超声分散,取上层液喷雾干燥,加入水超声分散,加入聚乙二醇在温度65-75℃搅拌,过滤,干燥,加入甲苯混合搅拌,加入γ-氨丙基三乙氧基硅烷在温度55-65℃搅拌,过滤,干燥,得到预处理云母粉;将N-(4-羧基苯基)马来酰亚胺单体、N,N-二甲基甲酰胺混合搅拌,搅拌温度为55-75℃,加入氯化亚砜继续搅拌,加入预处理云母粉搅拌,过滤,在温度130-140℃干燥,得到改性云母粉。
7.根据权利要求6所述的改性云母粉保温砖的制备方法,其特征在于,云母粉、聚乙二醇、γ-氨丙基三乙氧基硅烷的重量比为15-25:2-8:2-6。
8.根据权利要求6所述的改性云母粉保温砖的制备方法,其特征在于,N-(4-羧基苯基)马来酰亚胺单体、预处理云母粉的重量比为2-6:30-40。
9.根据权利要求1-8任一项所述的改性云母粉保温砖的制备方法,其特征在于,包括如下步骤:
S1、按重量份将40-80份改性云母粉、10-18份膨胀珍珠岩、5-12份三氧化二铁、20-40份煤矸石、5-15份赤泥、12-18份硝酸钙、15-25份碱渣、5-10份滑石粉、10-18份沸石粉、1-5份竹炭粉、4-12份石英砂、40-80份水装入球磨罐内湿磨1-4h,倒出,在空气中自然沉淀2-5天,过滤;
S2、将S1得到的物料放入105-125℃烘箱中干燥10-15h,干磨20-40h,过筛,送入冷压模具中加压至30-50kN,保压5-15min,脱模;
S3、放在干燥通风的环境中自然干燥5-12h,置于烧结炉中于大气气氛下以2-4℃/min速度升温至700-900℃,保温5-12min,降温至室温,得到改性云母粉保温砖。
10.根据权利要求1-9任一项所述的改性云母粉保温砖的制备方法,其特征在于,改性云母粉采用如下工艺制备:
按重量份将15-25份云母粉、60-80份无水乙醇混合搅拌60-100min,搅拌速度为400-500r/min,超声分散30-50min,取上层液喷雾干燥,加入40-80份水超声分散,加入2-8份聚乙二醇在温度65-75℃搅拌0.5-1.5h,过滤,干燥,加入60-100份甲苯混合搅拌2-4h,搅拌速度为500-700r/min,加入2-6份γ-氨丙基三乙氧基硅烷在温度55-65℃搅拌1-3h,过滤,干燥,得到预处理云母粉;
按重量份将2-6份N-(4-羧基苯基)马来酰亚胺单体、60-100份N,N-二甲基甲酰胺混合搅拌60-100min,搅拌温度为55-75℃,加入1-4份氯化亚砜继续搅拌0.5-2.5h,加入30-40份预处理云母粉搅拌40-80min,过滤,在温度130-140℃干燥2-8h,得到改性云母粉。
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