CN116514485A - 一种抗压保温pvc轻质墙体材料及其制备方法 - Google Patents
一种抗压保温pvc轻质墙体材料及其制备方法 Download PDFInfo
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 21
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- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 claims description 2
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- 238000011056 performance test Methods 0.000 description 4
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- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
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Classifications
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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
- C04B28/02—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 containing hydraulic cements other than calcium sulfates
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- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
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Abstract
本发明提出了一种抗压保温PVC轻质墙体材料,由以下原料按重量份制备而成:PVC树脂50‑80份、硅酸盐水泥25‑40份、高分子发泡材料15‑25份、高岭土10‑15份、玄武岩12‑17份、硅藻土10‑16份、玻璃纤维10‑15份、减水剂2‑5份、增强剂1‑3份、抗氧剂1‑3份和水30‑50份。本发明制备方法简单、原料来源广、制得的抗压保温PVC轻质墙体材料墙体密度低、具有很好的保温、隔热及隔音的性能,且力学性能优异,抗压性能好,具有广阔的应用前景。
Description
技术领域
本发明涉及墙体材料技术领域,具体涉及一种抗压保温PVC轻质墙体材料。
背景技术
目前,建材市场上有各种不同材质和特点的墙板,并且随着材料工艺的发展,还不断出现了能够满足不同功能的新型墙板。现在的墙板趋于向着经济、质轻、环保的方向发展。随着国家推广新型节能环保建材力度的增加以及现代建筑对轻质建材的需求加大,轻质墙板得到了广泛的应用。
新型的木塑材料虽然在很多方面具有优势,例如木塑材料比较经济,但是目前已有的木塑材料的密度依然无法达到用作墙板的理想状态。木塑板一般地由多层结构组成,其中主要的一层木塑基材密度一般为1.0g/cm3,是主要影响木塑板密度的一层结构。密度较大的木塑基材不但使得产品整体的重量较大,而且导致产品在例如冲压等加工工序中极易断裂。基于其中的木塑基材密度比较大,加之一般木塑板表面的LVT耐磨层厚度较大,现有的木塑板不适合用作墙板材料,而是被用作地板材料。
CN106836550A专利公开了一种的木塑墙板,所述木塑墙板从下至上依次为木塑基层,中料层,彩膜层,耐磨层。所述木塑基层通过发泡工艺制成,其发泡的配方为一定量的PVC基板树脂和木材粉末、PVC基板树脂质量的0.7%-1%的发泡剂、PVC基板树脂质量的45%的碳酸钙、PVC基板树脂质量的3.5%的稳定剂、PVC基板树脂质量的0.6%-1%的润滑剂。所述木塑基层的密度可以达到远低于传统技术的0.6g/cm3,实现降低所述木塑墙板的重量,但其抗压能力差。
现有的PVC板材要么抗压强度好的,非常笨重,要么比较轻质的板材,又抗压强度较差。因此,需要开发一种轻质且抗压能力好的墙体材料,以满足市场需求。
发明内容
为了解决上述的技术问题,本发明提供一种抗压保温PVC轻质墙体材料及其制备方法,其目的在于,提供一种抗压保温PVC轻质墙体材料,通过添加的高分子发泡材料不仅可以减轻墙体重量,同时增强墙体性能,使得墙体密度低,但具有很好的保温、隔热、隔音等性能。
本发明提供一种抗压保温PVC轻质墙体材料,由以下原料制备而成:PVC树脂、硅酸盐水泥、高分子发泡材料、高岭土、玄武岩、硅藻土、玻璃纤维、减水剂、增强剂、抗氧剂和水。
作为本发明进一步的改进,由以下原料按重量份制备而成:PVC树脂50-80份、硅酸盐水泥25-40份、高分子发泡材料15-25份、高岭土10-15份、玄武岩12-17份、硅藻土10-16份、玻璃纤维10-15份、减水剂2-5份、增强剂1-3份、抗氧剂1-3份和水30-50份。
作为本发明进一步的改进,由以下原料按重量份制备而成:PVC树脂60-70份、硅酸盐水泥29-35份、高分子发泡材料17-22份、高岭土11-14份、玄武岩13-16份、硅藻土12-14份、玻璃纤维11-14份、减水剂3-5份、增强剂2-3份、抗氧剂1-2份和水35-45份。
作为本发明进一步的改进,由以下原料按重量份制备而成:PVC树脂65份、硅酸盐水泥32份、高分子发泡材料20份、高岭土12份、玄武岩15份、硅藻土13份、玻璃纤维12份、减水剂4份、增强剂2份、抗氧剂1份和水40份。
作为本发明进一步的改进,所述高分子发泡材料由以下方法制备而成:
S1.将聚氯乙烯和乙烯-辛烯共聚物按质量比70:30简单共混后放入转矩流变仪中,密炼后进行压板,冷压5min,得到未发泡的共混物片材;
S2.将压好的片材裁剪,放入高压釜内,先用CO2排出釜内空气,然后继续通入CO2并升高温度,直至达到200℃温度和10-30MPa下饱和2h,之后快速卸压,冷却后得到高分子发泡材料。
作为本发明进一步的改进,所述密炼工艺条件为:密炼的温度为200℃,转速40r/min,密炼时间10min;所述压板工艺条件为温度为200℃,预热3min,12MPa下保压4min。
作为本发明进一步的改进,所述减水剂选自改性三聚氰胺减水剂、氨基磺酸盐减水剂、脂肪族减水剂、密胺系减水剂、粉末聚羧酸酯、干酪素和聚羧酸系减水剂中的一种或几种。
作为本发明进一步的改进,所述增强剂选自DH-1、DH-2、DH-3、DH-4、FA-5、FC-5和DPT-5中的一种或几种。
作为本发明进一步的改进,所述抗氧剂选自二苯胺、对苯二胺、二氢喹啉、2,6-三级丁基-4-甲基苯酚、双(3,5-三级丁基-4-羟基苯基)硫醚和四〔β-(3,5-三级丁基-4-羟基苯基)丙酸〕季戊四醇酯中的一种或几种。
本发明进一步保护一种上述抗压保温PVC轻质墙体材料的制备方法,按照以下方法制备:按比例称取各原料,将PVC树脂、硅酸盐水泥、高分子发泡材料、高岭土、玄武岩、硅藻土、玻璃纤维与水加入搅拌锅内混合,搅拌10-15s后,把减水剂、增强剂、抗氧剂倒入搅拌锅内,用搅拌机搅拌均匀,得到预制石膏;装模、振动、拆模,自然养护7d,放入温度为40-45℃的烘箱中,烘干至恒重,制得抗压保温PVC轻质墙体材料。
本发明具有如下有益效果:
1.本发明添加的高分子发泡材料不仅可以减轻墙体重量,同时增强墙体性能,使得墙体密度低,但具有很好的保温、隔热、隔音等性能;
2.本发明添加的硅藻泥不含有机成分,材料自身呈弱碱性,微生物难以存活,加之良好的透气性,可以确保墙面不怕潮湿,不会发霉,使得墙体材料能够经久使用,延长使用寿命;
3.本发明添加的高岭土、玄武岩和玻璃纤维,明显提高墙体的抗压能力和抗折性能;
4.本发明制备方法简单、原料来源广、制得的抗压保温PVC轻质墙体材料墙体密度低、具有很好的保温、隔热及隔音的性能,且力学性能优异,抗压性能好,具有广阔的应用前景。
附图说明
图1为本发明抗压保温PVC轻质墙体材料的制备流程图。
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、完整的描述,显然,所述的实施例只是本发明的部分具有代表性的实施例,而不是全部实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的其他所有实施例都属于本发明的保护范围。
实施例1
原料组成(重量份):PVC树脂50份、硅酸盐水泥25份、高分子发泡材料15份、高岭土10份、玄武岩12份、硅藻土10份、玻璃纤维10份、粉末聚羧酸酯2份、增强剂DH-11份、四〔β-(3,5-三级丁基-4-羟基苯基)丙酸〕季戊四醇酯1份和水30份。
高分子发泡材料由以下方法制备而成:
S1.将聚氯乙烯和乙烯-辛烯共聚物按质量比70:30简单共混后放入转矩流变仪中,密炼,密炼的温度为200℃,转速40r/min,密炼时间10min,压板,温度为200℃,预热3min,12MPa下保压4min,冷压5min,得到未发泡的共混物片材;
S2.将压好的片材裁剪,放入高压釜内,先用CO2排出釜内空气,然后继续通入CO2并升高温度,直至达到200℃温度和10MPa下饱和2h,之后快速卸压,冷却后得到高分子发泡材料。
一种抗压保温PVC轻质墙体材料的制备方法,按照以下方法制备:按比例称取各原料,将PVC树脂、硅酸盐水泥、高分子发泡材料、高岭土、玄武岩、硅藻土、玻璃纤维与水加入搅拌锅内混合,搅拌10s后,把粉末聚羧酸酯、增强剂DH-1、四〔β-(3,5-三级丁基-4-羟基苯基)丙酸〕季戊四醇酯倒入搅拌锅内,用搅拌机搅拌均匀,得到预制石膏;装模、振动、拆模,自然养护7d,放入温度为40℃的烘箱中,烘干至恒重,制得抗压保温PVC轻质墙体材料。
实施例2
原料组成(重量份):PVC树脂80份、硅酸盐水泥40份、高分子发泡材料25份、高岭土15份、玄武岩17份、硅藻土16份、玻璃纤维15份、聚羧酸系减水剂5份、增强剂DPT-53份、双(3,5-三级丁基-4-羟基苯基)硫醚3份和水50份。
高分子发泡材料由以下方法制备而成:
S1.将聚氯乙烯和乙烯-辛烯共聚物按质量比70:30简单共混后放入转矩流变仪中,密炼,密炼的温度为200℃,转速40r/min,密炼时间10min,压板,温度为200℃,预热3min,12MPa下保压4min,冷压5min,得到未发泡的共混物片材;
S2.将压好的片材裁剪,放入高压釜内,先用CO2排出釜内空气,然后继续通入CO2并升高温度,直至达到200℃温度和30MPa下饱和2h,之后快速卸压,冷却后得到高分子发泡材料。
一种抗压保温PVC轻质墙体材料的制备方法,按照以下方法制备:按比例称取各原料,将PVC树脂、硅酸盐水泥、高分子发泡材料、高岭土、玄武岩、硅藻土、玻璃纤维与水加入搅拌锅内混合,搅拌15s后,把聚羧酸系减水剂、增强剂DPT-5、双(3,5-三级丁基-4-羟基苯基)硫醚倒入搅拌锅内,用搅拌机搅拌均匀,得到预制石膏;装模、振动、拆模,自然养护7d,放入温度为45℃的烘箱中,烘干至恒重,制得抗压保温PVC轻质墙体材料。
实施例3
原料组成(重量份):PVC树脂60份、硅酸盐水泥29份、高分子发泡材料17份、高岭土11份、玄武岩13份、硅藻土12份、玻璃纤维11份、干酪素3份、增强剂DH-4 2份、对苯二胺1份和水35份。
高分子发泡材料由以下方法制备而成:
S1.将聚氯乙烯和乙烯-辛烯共聚物按质量比70:30简单共混后放入转矩流变仪中,密炼,密炼的温度为200℃,转速40r/min,密炼时间10min,压板,温度为200℃,预热3min,12MPa下保压4min,冷压5min,得到未发泡的共混物片材;
S2.将压好的片材裁剪,放入高压釜内,先用CO2排出釜内空气,然后继续通入CO2并升高温度,直至达到200℃温度和15MPa下饱和2h,之后快速卸压,冷却后得到高分子发泡材料。
一种抗压保温PVC轻质墙体材料的制备方法,按照以下方法制备:按比例称取各原料,将PVC树脂、硅酸盐水泥、高分子发泡材料、高岭土、玄武岩、硅藻土、玻璃纤维与水加入搅拌锅内混合,搅拌12s后,把干酪素、增强剂DH-4、对苯二胺倒入搅拌锅内,用搅拌机搅拌均匀,得到预制石膏;装模、振动、拆模,自然养护7d,放入温度为42℃的烘箱中,烘干至恒重,制得抗压保温PVC轻质墙体材料。
实施例4
原料组成(重量份):PVC树脂70份、硅酸盐水泥35份、高分子发泡材料22份、高岭土14份、玄武岩16份、硅藻土14份、玻璃纤维14份、氨基磺酸盐减水剂5份、增强剂DH-3 3份、2,6-三级丁基-4-甲基苯酚2份和水45份。
高分子发泡材料由以下方法制备而成:
S1.将聚氯乙烯和乙烯-辛烯共聚物按质量比70:30简单共混后放入转矩流变仪中,密炼,密炼的温度为200℃,转速40r/min,密炼时间10min,压板,温度为200℃,预热3min,12MPa下保压4min,冷压5min,得到未发泡的共混物片材;
S2.将压好的片材裁剪,放入高压釜内,先用CO2排出釜内空气,然后继续通入CO2并升高温度,直至达到200℃温度和25MPa下饱和2h,之后快速卸压,冷却后得到高分子发泡材料。
一种抗压保温PVC轻质墙体材料的制备方法,按照以下方法制备:按比例称取各原料,将PVC树脂、硅酸盐水泥、高分子发泡材料、高岭土、玄武岩、硅藻土、玻璃纤维与水加入搅拌锅内混合,搅拌14s后,把氨基磺酸盐减水剂、增强剂DH-3、2,6-三级丁基-4-甲基苯酚倒入搅拌锅内,用搅拌机搅拌均匀,得到预制石膏;装模、振动、拆模,自然养护7d,放入温度为44℃的烘箱中,烘干至恒重,制得抗压保温PVC轻质墙体材料。
实施例5
原料组成(重量份):PVC树脂65份、硅酸盐水泥32份、高分子发泡材料20份、高岭土12份、玄武岩15份、硅藻土13份、玻璃纤维12份、改性三聚氰胺减水剂4份、增强剂FA-5 2份、二氢喹啉1份和水40份。
高分子发泡材料由以下方法制备而成:
S1.将聚氯乙烯和乙烯-辛烯共聚物按质量比70:30简单共混后放入转矩流变仪中,密炼,密炼的温度为200℃,转速40r/min,密炼时间10min,压板,温度为200℃,预热3min,12MPa下保压4min,冷压5min,得到未发泡的共混物片材;
S2.将压好的片材裁剪,放入高压釜内,先用CO2排出釜内空气,然后继续通入CO2并升高温度,直至达到200℃温度和20MPa下饱和2h,之后快速卸压,冷却后得到高分子发泡材料。
一种抗压保温PVC轻质墙体材料的制备方法,按照以下方法制备:按比例称取各原料,将PVC树脂、硅酸盐水泥、高分子发泡材料、高岭土、玄武岩、硅藻土、玻璃纤维与水加入搅拌锅内混合,搅拌13s后,把改性三聚氰胺减水剂、增强剂FA-5、二氢喹啉倒入搅拌锅内,用搅拌机搅拌均匀,得到预制石膏;装模、振动、拆模,自然养护7d,放入温度为43℃的烘箱中,烘干至恒重,制得抗压保温PVC轻质墙体材料。
测试例1性能测试
测试例1性能测试
将本发明实施例1-5制备的墙体材料进行性能测试,结果见表1。
表1性能测试结果表
组别 | 干表观密度(kg/m3) | 抗压强度(MPa) | 导热系数(W/m﹒k) |
实施例1 | 87 | 2.2 | 0.016 |
实施例2 | 87 | 2.3 | 0.016 |
实施例3 | 86 | 2.2 | 0.015 |
实施例4 | 85 | 2.4 | 0.015 |
实施例5 | 85 | 2.4 | 0.015 |
由上表可知,本发明实施例制备的抗压保温PVC轻质墙体材料具有很好的综合性能:干表观密度更低(85-87kg/m3),说明墙体材料的质地更轻,抗压强度大(2.2-2.4MPa),说明墙体材料的力学性能优异,具有良好的抗压性能;导热系数低(0.015-0.016W/m﹒k),说明墙体材料具有良好的隔热、保温性能。
与现有技术相比,本发明添加的高分子发泡材料不仅可以减轻墙体重量,同时增强墙体性能,使得墙体密度低,但具有很好的保温、隔热、隔音等性能;本发明添加的硅藻泥不含有机成分,材料自身呈弱碱性,微生物难以存活,加之良好的透气性,可以确保墙面不怕潮湿,不会发霉,使得墙体材料能够经久使用,延长使用寿命;本发明添加的高岭土、玄武岩和玻璃纤维,明显提高墙体的抗压能力和抗折性能;本发明制备方法简单、原料来源广、制得的抗压保温PVC轻质墙体材料墙体密度低、具有很好的保温、隔热及隔音的性能,且力学性能优异,抗压性能好,具有广阔的应用前景。
本领域的技术人员在不脱离权利要求书确定的本发明的精神和范围的条件下,还可以对以上内容进行各种各样的修改。因此本发明的范围并不仅限于以上的说明,而是由权利要求书的范围来确定的。
Claims (10)
1.一种抗压保温PVC轻质墙体材料,其特征在于,由以下原料制备而成:PVC树脂、硅酸盐水泥、高分子发泡材料、高岭土、玄武岩、硅藻土、玻璃纤维、减水剂、增强剂、抗氧剂和水。
2.根据权利要求1所述一种抗压保温PVC轻质墙体材料,其特征在于,由以下原料按重量份制备而成:PVC树脂50-80份、硅酸盐水泥25-40份、高分子发泡材料15-25份、高岭土10-15份、玄武岩12-17份、硅藻土10-16份、玻璃纤维10-15份、减水剂2-5份、增强剂1-3份、抗氧剂1-3份和水30-50份。
3.根据权利要求2所述一种抗压保温PVC轻质墙体材料,其特征在于,由以下原料按重量份制备而成:PVC树脂60-70份、硅酸盐水泥29-35份、高分子发泡材料17-22份、高岭土11-14份、玄武岩13-16份、硅藻土12-14份、玻璃纤维11-14份、减水剂3-5份、增强剂2-3份、抗氧剂1-2份和水35-45份。
4.根据权利要求3所述一种抗压保温PVC轻质墙体材料,其特征在于,由以下原料按重量份制备而成:PVC树脂65份、硅酸盐水泥32份、高分子发泡材料20份、高岭土12份、玄武岩15份、硅藻土13份、玻璃纤维12份、减水剂4份、增强剂2份、抗氧剂1份和水40份。
5.根据权利要求1所述一种抗压保温PVC轻质墙体材料,其特征在于,所述高分子发泡材料由以下方法制备而成:
S1.将聚氯乙烯和乙烯-辛烯共聚物按质量比70:30简单共混后放入转矩流变仪中,密炼后进行压板,冷压5min,得到未发泡的共混物片材;
S2.将压好的片材裁剪,放入高压釜内,先用CO2排出釜内空气,然后继续通入CO2并升高温度,直至达到200℃温度和10-30MPa下饱和2h,之后快速卸压,冷却后得到高分子发泡材料。
6.根据权利要求5所述一种抗压保温PVC轻质墙体材料,其特征在于,所述密炼工艺条件为:密炼的温度为200℃,转速40r/min,密炼时间10min;所述压板工艺条件为温度为200℃,预热3min,12MPa下保压4min。
7.根据权利要求1所述一种抗压保温PVC轻质墙体材料,其特征在于,所述减水剂选自改性三聚氰胺减水剂、氨基磺酸盐减水剂、脂肪族减水剂、密胺系减水剂、粉末聚羧酸酯、干酪素和聚羧酸系减水剂中的一种或几种。
8.根据权利要求1所述一种抗压保温PVC轻质墙体材料,其特征在于,所述增强剂选自DH-1、DH-2、DH-3、DH-4、FA-5、FC-5和DPT-5中的一种或几种。
9.根据权利要求1所述一种抗压保温PVC轻质墙体材料,其特征在于,所述抗氧剂选自二苯胺、对苯二胺、二氢喹啉、2,6-三级丁基-4-甲基苯酚、双(3,5-三级丁基-4-羟基苯基)硫醚和四〔β-(3,5-三级丁基-4-羟基苯基)丙酸〕季戊四醇酯中的一种或几种。
10.根据权利要求1-9任一权利要求所述一种抗压保温PVC轻质墙体材料的制备方法,其特征在于,按照以下方法制备:按比例称取各原料,将PVC树脂、硅酸盐水泥、高分子发泡材料、高岭土、玄武岩、硅藻土、玻璃纤维与水加入搅拌锅内混合,搅拌10-15s后,把减水剂、增强剂、抗氧剂倒入搅拌锅内,用搅拌机搅拌均匀,得到预制石膏;装模、振动、拆模,自然养护7d,放入温度为40-45℃的烘箱中,烘干至恒重,制得抗压保温PVC轻质墙体材料。
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