CN105968485A - 一种掺杂超细玻璃微珠的pe填充母料及其制备方法 - Google Patents
一种掺杂超细玻璃微珠的pe填充母料及其制备方法 Download PDFInfo
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Abstract
本发明公开了一种掺杂超细玻璃微珠的PE填充母料,由下列重量份的组分原料制成:低密度聚乙烯60‑70、有机改性超细玻璃微珠4‑6、硅钙镁(SCM)晶须4‑6、乙撑双硬脂酰胺2‑4,硬脂酸锌1‑2、炭黑5‑10、硬脂酸1‑2、紫外线吸收剂UV327 0.2‑0.4,抗氧剂1076 0.2‑0.4、抗氧剂626 0.2‑0.4、对苯二酚0.1‑0.3、云母粉10‑15,增强剂10‑15。采用常规双螺杆挤出机进行挤出造粒。添加本发明的母料加工出的波纹管具有抗冲击强度强、环刚度高、质量轻、抗氧化性强、用料省、施工安装方便和耐高温性能好等优点。
Description
技术领域
本发明涉及波纹管填充母料领域,具体涉及一种掺杂超细玻璃微珠的PE填充母料及其制备方法。
背景技术
随着国民经济的发展和城市建设,大口径塑料排水管道替代传统水泥管道,需求日益强劲。但是1 米以上大口径塑料管道的环刚度是亟待解决的难题。为满足工程对管道环刚度的要求,厂家一般采用内衬钢板或者加厚管壁的办法解决,这种办法成本高,工艺复杂。
硅钙镁(简称SCM )晶须是一种新型结构的硅酸盐材料, 呈一维单晶体结构, 直径为0. 2 ~ 0. 8μm, 长度为20 ~ 60 μm, 具有极高的力学性能, 其拉伸强度高达1. 2GPa, 拉伸弹性模量高达32 GPa, 用作塑料的填料具有明显的增强和增刚作用。目前被广泛用作排水管、污水管、地下电缆管、农业排灌管的高密度聚乙烯(HDPE)双壁波纹管是一种外壁呈波纹状、内壁光滑的新颖管材, 与同规格同强度的其它类管材相比具有用料省、刚性高、弯曲性优良, 以及高抗冲、高抗压等特点, 已在相当范围内取代了传统的钢管、铸铁管、水泥管、石棉管和普通塑料管。但是, 目前困扰大口径双壁波纹管的最大问题是环刚度低。现在国产双壁波纹管的最大内径为710 mm, 有关设备厂家正在大力开发口径1 600mm的生产线, 这对管材材料的性能提出了更高的要求。
发明内容
本发明的目的在于提供一种掺杂超细玻璃微珠的PE填充母料及其制备方法。本发明的填充母料添加到制备波纹管的原料中,加工出的波纹管具有落锤冲击强度高、环刚度高、质量轻、抗氧化性强、用料省、施工安装方便和耐高温性能好等优点。
本发明采用的技术方案如下:
一种掺杂超细玻璃微珠的PE填充母料,其特征在于:由下列重量份的组分原料制成:低密度聚乙烯60-70、有机改性超细玻璃微珠4-6、硅钙镁(SCM)晶须4-6、乙撑双硬脂酰胺2-4,硬脂酸锌1-2、炭黑5-10 、硬脂酸1-2、紫外线吸收剂UV327 0.2-0.4,抗氧剂1076 0.2-0.4、抗氧剂6260.2-0.4、对苯二酚0.1-0.3、云母粉10-15,增强剂10-15,
所述的有机改性超细玻璃微珠的制备方法:先用乙醇溶液稀释钛酸酯偶联剂TMC-TTS,再调节该溶液p H值至 3.8左右,然后将已干燥好的超细玻璃微珠,加入至高速混合机中,边搅拌边加入钛酸酯偶联剂TMC-TTS的乙醇溶液,充分搅拌处理后取出,再在 90℃左右干燥 3 h ,得到有机化改性的超细玻璃微珠;
所述的增强剂由下列重量份的组份原料制成:高密度聚乙烯 10-15、无碱玻纤20-30、超细滑石粉20-30、ABS高胶粉10-12、石蜡4-6、氧化石墨烯10-15、硅烷偶联剂0.8-1.0、硬脂酸1-2、弹性体POE 10-15;
所述增强剂的制备方法:将硬脂酸和超细滑石粉加入到高速搅拌机混合活化处理,将石蜡熔融把硅烷偶联剂加入其中搅拌均匀,然后将ABS高胶粉、高密度聚乙烯、氧化石墨烯、弹性体POE及余下物料一起加入到活化后的滑石粉内,高速混合均匀出料,最后将上述混合均匀的物料,投入双螺杆造粒机内进行造粒,即为增强剂。
所述的一种掺杂超细玻璃微珠的PE填充母料,其特征在于:由下列重量份的组分原料制成:低密度聚乙烯65、有机改性超细玻璃微珠5、硅钙镁(SCM)晶须5、乙撑双硬脂酰胺3,硬脂酸锌1.5、炭黑7、硬脂酸1.5、紫外线吸收剂UV327 0.3,抗氧剂1076 0.3、抗氧剂6260.2、对苯二酚0.2、云母粉13、增强剂14,
所述的增强剂由下列重量份的组份原料制成:高密度聚乙烯 13、无碱玻纤25、超细滑石粉25、ABS高胶粉11、石蜡5、氧化石墨烯14、硅烷偶联剂0.9、硬脂酸1.5、弹性体POE 14。
所述的一种掺杂超细玻璃微珠的PE填充母料的制备方法,其特征在于:包括以下步骤:
(1)按配方比例称取各组份原料;
(2) 将低密度聚乙烯、有机改性超细玻璃微珠、硅钙镁(SCM)晶须、石蜡、硬脂酸锌、炭黑,先加入到高速捏合机中,高速捏合20-25min,然后将硬脂酸、紫外线吸收剂UV327、抗氧剂、云母粉、增强剂等余下组份加入到混料中,继续高速捏合搅拌20-30min,出料;
(3)将放出的物料输送到双螺杆挤出机上挤出造粒,挤出机机筒温度:165 ~ 180℃,机头温度 180 ~ 185℃,螺杆转速300-350 r /min,主机转速为200~280r/min,出料、挤出后冷却、干燥,切粒,即可。
所述的一种掺杂超细玻璃微珠的PE填充母料,其特征在于:所述的硅钙镁(SCM)晶须由四川绵阳正业新型材料有限公司生产。
有益效果:
本发明的填充母料,在配方中添加有硅钙镁(SCM)晶须,硅钙镁(SCM)晶须与聚乙烯复合能提高波纹管的环刚度,超细玻璃微珠的掺入使得添加该母料的复合PE材料的弹性模量和冲击强度均有提高,复合抗氧剂的添加增加了波纹管的抗氧化性,自制增强剂的加入,大大提高了塑料的拉伸强度、挠曲强度和弹性模量,同时还可以提高热变形温度、尺寸稳定性,减低了大口径波纹管的生产加工成本。添加本发明的母料加工出的波纹管具有环刚度高、落锤冲击强度高、质量轻、抗氧化性强、用料省、施工安装方便和耐高温性能好等优点。
本申请采用ABS高胶粉、硅烷偶联剂对氧化石墨烯改性,增加氧化石墨烯与塑料材料的相容性,起到增强作用,其中在造粒时,氧化石墨烯受到高温作用,也相当于改性,增加了其分散性,提高了与塑料复合稳定性。
具体实施方式
一种掺杂超细玻璃微珠的PE填充母料,由下列重量(kg)的组分原料制成:低密度聚乙烯65、有机改性超细玻璃微珠5、硅钙镁(SCM)晶须5、乙撑双硬脂酰胺3,硬脂酸锌1.5、炭黑7、硬脂酸1.5、紫外线吸收剂UV327 0.3,抗氧剂1076 0.3、抗氧剂626 0.2、对苯二酚0.2、云母粉13、增强剂14,
其中,有机改性超细玻璃微珠的制备方法如下:先用乙醇溶液稀释钛酸酯偶联剂TMC-TTS,再调节该溶液p H值至 3.8左右,然后将已干燥好的超细玻璃微珠,加入至高速混合机中,边搅拌边加入钛酸酯偶联剂TMC-TTS的乙醇溶液,充分搅拌处理后取出,再在 90℃左右干燥 3 h ,得到有机化改性的超细玻璃微珠;
增强剂由下列重量(kg)的组份原料制成:高密度聚乙烯 13、无碱玻纤25、超细滑石粉25、ABS高胶粉11、石蜡5、氧化石墨烯14、硅烷偶联剂0.9、硬脂酸1.5、弹性体POE 14。
掺杂超细玻璃微珠的PE填充母料的制备方法,包括以下步骤:
(1)按配方比例称取各组份原料;
(2)将低密度聚乙烯、有机改性超细玻璃微珠、硅钙镁(SCM)晶须、石蜡、硬脂酸锌、炭黑,先加入到高速捏合机中,高速捏合20-25min,然后将硬脂酸、紫外线吸收剂UV327、抗氧剂、云母粉、增强剂等余下组份加入到混料中,继续高速捏合搅拌20-30min,出料;
(3)将放出的物料输送到双螺杆挤出机上挤出造粒,挤出机机筒温度:165 ~ 180℃,机头温度 180 ~ 185℃,螺杆转速300-350 r /min,主机转速为200~280r/min,出料、挤出后冷却、干燥,切粒,即可。
增强剂的制备方法:将硬脂酸和超细滑石粉加入到高速搅拌机混合活化处理,将石蜡熔融把硅烷偶联剂加入其中搅拌均匀,然后将ABS高胶粉、高密度聚乙烯、氧化石墨烯、弹性体POE及余下物料一起加入到活化后的滑石粉内,高速混合均匀出料,最后将上述混合均匀的物料,投入双螺杆造粒机内进行造粒,即为增强剂。
其中,硅钙镁(SCM)晶须由四川绵阳正业新型材料有限公司生产。
在HDPE双壁波纹管内、外层配方中加入本发明的填充母料30份制得厚度为3.5mm、内径为600 mm的双壁波纹管, 并对其综合性能进行了测试, 其结果如表1所示。
表1 HDPE/ 填充母料双壁波纹管的综合性能
项 目 | 技术指标 | 测定值 |
环刚度/kPa | ≥8 | 11.6 |
扁平试验 | 压至外径变形40%, 无破裂 | 无破裂 |
液压试验 | 无渗漏、不破裂 | 无渗漏、不破裂 |
蠕变率/% | ≤4 | 20.35 |
“米重” /kg· m-1 | 20.7 |
由表1可以看出,将本发明的填充母料与HDPE共混, 能提高双壁波纹管的环刚度,HDPE双壁波纹管的蠕变率低,“米重”小。
Claims (4)
1.一种掺杂超细玻璃微珠的PE填充母料,其特征在于:由下列重量份的组分原料制成:低密度聚乙烯60-70、有机改性超细玻璃微珠4-6、硅钙镁(SCM)晶须4-6、乙撑双硬脂酰胺2-4,硬脂酸锌1-2、炭黑5-10 、硬脂酸1-2、紫外线吸收剂UV327 0.2-0.4,抗氧剂1076 0.2-0.4、抗氧剂626 0.2-0.4、对苯二酚0.1-0.3、云母粉10-15,增强剂10-15,
所述的有机改性超细玻璃微珠的制备方法:先用乙醇溶液稀释钛酸酯偶联剂TMC-TTS,再调节该溶液p H值至 3.8左右,然后将已干燥好的超细玻璃微珠,加入至高速混合机中,边搅拌边加入钛酸酯偶联剂TMC-TTS的乙醇溶液,充分搅拌处理后取出,再在 90℃左右干燥 3 h ,得到有机化改性的超细玻璃微珠;
所述的增强剂由下列重量份的组份原料制成:高密度聚乙烯 10-15、无碱玻纤20-30、超细滑石粉20-30、ABS高胶粉10-12、石蜡4-6、氧化石墨烯10-15、硅烷偶联剂0.8-1.0、硬脂酸1-2、弹性体POE 10-15;
所述增强剂的制备方法:将硬脂酸和超细滑石粉加入到高速搅拌机混合活化处理,将石蜡熔融把硅烷偶联剂加入其中搅拌均匀,然后将ABS高胶粉、高密度聚乙烯、氧化石墨烯、弹性体POE及余下物料一起加入到活化后的滑石粉内,高速混合均匀出料,最后将上述混合均匀的物料,投入双螺杆造粒机内进行造粒,即为增强剂。
2.根据权利要求1所述的一种掺杂超细玻璃微珠的PE填充母料,其特征在于:由下列重量份的组分原料制成:低密度聚乙烯65、有机改性超细玻璃微珠5、硅钙镁(SCM)晶须5、乙撑双硬脂酰胺3,硬脂酸锌1.5、炭黑7、硬脂酸1.5、紫外线吸收剂UV327 0.3,抗氧剂1076 0.3、抗氧剂626 0.2、对苯二酚0.2、云母粉13、增强剂14,
所述的增强剂由下列重量份的组份原料制成:高密度聚乙烯 13、无碱玻纤25、超细滑石粉25、ABS高胶粉11、石蜡5、氧化石墨烯14、硅烷偶联剂0.9、硬脂酸1.5、弹性体POE 14。
3.如权利要求1所述的一种掺杂超细玻璃微珠的PE填充母料的制备方法,其特征在于:包括以下步骤:
(1)按配方比例称取各组份原料;
(2) 将低密度聚乙烯、有机改性超细玻璃微珠、硅钙镁(SCM)晶须、石蜡、硬脂酸锌、炭黑,先加入到高速捏合机中,高速捏合20-25min,然后将硬脂酸、紫外线吸收剂UV327、抗氧剂、云母粉、增强剂等余下组份加入到混料中,继续高速捏合搅拌20-30min,出料;
(3)将放出的物料输送到双螺杆挤出机上挤出造粒,挤出机机筒温度:165 ~ 180℃,机头温度 180 ~ 185℃,螺杆转速300-350 r /min,主机转速为200~280r/min,出料、挤出后冷却、干燥,切粒,即可。
4.根据权利要求1所述的一种掺杂超细玻璃微珠的PE填充母料,其特征在于:所述的硅钙镁(SCM)晶须由四川绵阳正业新型材料有限公司生产。
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CN112080057A (zh) * | 2020-09-17 | 2020-12-15 | 江西龙正科技发展有限公司 | 一种聚乙烯排污水管及其制备方法 |
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CN112080057A (zh) * | 2020-09-17 | 2020-12-15 | 江西龙正科技发展有限公司 | 一种聚乙烯排污水管及其制备方法 |
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