CN113548304A - 一种抗静电阻燃塑料容器及其加工方法 - Google Patents
一种抗静电阻燃塑料容器及其加工方法 Download PDFInfo
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Abstract
本发明为解决现有技术中塑料容器表面容易产生静电,存在安全隐患的问题,公开了一种抗静电阻燃塑料容器及加工方法。该塑料容器包括容器本体、密封盖、金属丝、碳纤维束和防静电涂层;所述容器本体的外壁上沿经纬方向分别开设有槽深和槽宽均相同的经向槽和纬向槽;所述金属丝和所述碳纤维束分别安装在所述经向槽和/或为所述纬向槽内,其沿所述经向槽槽长方向铺设时延伸到所述浅槽内的部分卷曲成螺旋状;所述防静电涂层位于所述容器本体外壁上,并所述金属丝和所述碳纤维束封入对应的所述经向槽或所述纬向槽内。本发明提供一种抗静电阻燃塑料容及加工方法,通过静电荷传导和表面防护,减少静电堆积,降低着火、爆炸的风险。
Description
技术领域
本发明涉及塑料制品技术领域,尤其涉及一种抗静电阻燃塑料容及加工方法。
背景技术
塑料容器具有不易碎、不生锈、质轻、耐油、耐强腐蚀的特点,被广泛应用于盛装化工、农药、医药、食品、五金电子、机电等行业液体、固体物品。
然后,由于塑料的电阻率很高,其表面容易因摩擦或其它原因而产生并积累静电荷。随着静电压和容量的聚集增大,就是产生带电体放电现象,如周围环境中有易燃、易爆物质(例如:瓦斯、汽煤油、雷管等),就会发生着火、爆炸,给人们带来巨大的经济损失。
发明内容
本发明为解决现有技术中塑料容器表面容易产生静电,存在安全隐患的问题,提供一种抗静电阻燃塑料容及加工方法,通过静电荷传导和表面防护,减少静电堆积,降低着火、爆炸的风险。
本发明采用的技术方案是:
一种抗静电阻燃塑料容器,包括:
容器本体,所述容器本体具有容器口;所述容器本体的外壁上经纬方向分别开设有槽深和槽宽均相同的经向槽和纬向槽,其底部开设有浅槽;所述经向槽和所述浅槽一一对应并连通;所述经向槽和所述纬向槽交汇点处深度增加至所述经向槽槽深的2倍;所述浅槽的槽深小于等于所述经向槽的槽深;
密封盖,所述密封盖安装在所述容器口上;
金属丝,所述金属丝的直径与所述经向槽的槽宽一致,其安装在所述经向槽和/或为所述纬向槽内;所述金属丝沿所述经向槽的槽长方向铺设时延伸到所述浅槽内,卷曲成螺旋状;
碳纤维束,所述碳纤维束的直径与所述经向槽的槽宽一致,其安装在所述经向槽和/或为所述纬向槽内;所述碳纤维束沿所述经向槽的槽长方向铺设时延伸到所述浅槽内,卷曲成螺旋状;以及
防静电涂层,所述防静电涂层位于所述容器本体外壁上,并所述金属丝和所述碳纤维束封入对应的所述经向槽或所述纬向槽内。
进一步地,按照重量份计,所述容器本体的组成原料包括高密度聚乙烯60~80份、增塑剂5~10份,抗氧剂0.5~1份,阻燃剂10~20份,抗静电剂1~5份,偶联剂0.1~1份,以及填料5~15份。
进一步地,所述增塑剂为邻苯二甲酸酯类塑化剂;所述抗氧剂为抗氧剂1010、抗氧剂1076、抗氧剂1098、抗氧剂1024、抗氧剂168、抗氧剂1171、抗氧剂DLTP、抗氧剂DSTP、抗氧剂245、抗氧剂264或抗氧剂215中的一种或多种;所述阻燃剂为溴代二苯醚阻燃剂、四溴双酚A阻燃剂、聚磷酸铵阻燃剂、甲基膦酸二甲酯阻燃剂DMMP、磷酸三甲苯酯阻燃剂、磷杂氧化膦阻燃剂、氢氧化铝、氢氧化镁、三氧化二锑中的一种或多种;所述抗静电剂为烷基丙烯基磷酸、聚苯乙烯磺酸铵盐、双(2-羟乙基)辛基甲基双对甲苯磺酸铵、烷基磺酸盐、烷基胺环氧乙烷加成物、硬脂酸单甘酯GMS、聚醚酯、纳米级掺锑氧化锡中的一种或者多种;所述偶联剂为硅烷偶联剂;所述填料为碳酸钙或者膨润土。
进一步地,所述经向槽和所述纬向槽的槽深0.1~0.3mm,槽宽0.1~0.3mm;所述浅槽的槽深0.1~0.2mm。
进一步地,所述金属丝和所述碳纤维束同时使用在所述经向槽或所述纬向槽内时,两者交替使用。
进一步地,所述经向槽内的所述金属丝或所述碳纤维束,以及所述纬向槽内的所述金属丝或所述碳纤维束之间采用经纬交叉方式布置。
进一步地,以重量份计,所述防静电涂层的组成原料包括粒径小于等于4μm的硅石颗粒1~3份,丙烯酸多元醇25~35份,聚乙二醇20~30份,环甲基硅氧烷5~10份, 1-羟基环己基苯基甲酮5~10份。
进一步地,所述防静电涂层厚度0.1~0.2mm。
一种加工前述的抗静电阻燃塑料容器的方法,包含以下步骤:
步骤S1,采用注塑或者吹塑方式制得所述容器本体,所述容器本体的组成原料中含有阻燃剂;
步骤S2,采用注塑方式制得密封盖,所述密封盖的组成原料中含有阻燃剂;
步骤S3,在所述容器本体侧壁上自所述容器口向所述容器本体底部方向刻蚀出经向槽;
步骤S4,在所述容器本体侧壁上周向刻蚀出纬向槽;
步骤S5,在所述容器本体底部与所述经向槽下端对应为位置处刻蚀出浅槽;
步骤S6,在每条所述经向槽内安装所述金属丝或所述碳纤维束,所述金属丝或所述碳纤维束延伸到所述浅槽内的部分卷曲成螺旋状;
步骤S7,在每条所述纬向槽内安装所述金属丝或所述碳纤维束;
步骤S8,配置防静电涂层浆料;
步骤S9,将防静电涂层浆料涂刷在所述容器本体外壁上,遮盖所述金属丝或所述碳纤维束,紫外光辐照固化,得到塑料容器。
进一步地,所述步骤S6中和所述步骤S7中, 所述金属丝或所述碳纤维束安装时采用点状锚固方式。
本发明的有益效果是:
本发明为解决现有技术中塑料容器表面容易产生静电,存在安全隐患的问题,提供一种抗静电阻燃塑料容及加工方法。该塑料容器包括容器本体、密封盖、金属丝、碳纤维束和防静电涂层。容器本体上有经向槽、纬向槽和浅槽。金属丝和碳纤维束分别安装在经向槽和/或纬向槽内。防静电涂层位于容器本体外壁上,并将金属丝和碳纤维束封入其内,形成表面防护。通过静电荷传导和表面防护,减少静电堆积,降低着火、爆炸的风险。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案,下面将对实施例或有现技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本申请的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1为实施例中容器本体的结构示意图。
具体实施方式
在下文中,仅简单地描述了某些示例性实施例。正如本领域技术人员可认识到的那样,在不脱离本发明的精神或范围的情况下,可通过各种不同方式修改所描述的实施例。因此,附图和描述被认为本质上是示例性的而非限制性的。
在本发明的描述中,需要理解的是,术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本发明和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本发明的限制。
下文的公开提供了许多不同的实施方式或例子用来实现本发明的不同结构。为了简化本发明的公开,下文中对特定例子的部件和设置进行描述。当然,它们仅仅为示例,并且目的不在于限制本发明。
下面结合附图对发明的实施例进行详细说明。
实施例1
为解决塑料容器表面容易因摩擦或其它原因而产生并积累静电荷,于易燃易爆场所中使用时,存在着着火、爆炸的风险,本实施例中提供一种抗静电阻燃塑料容器。该塑料容器包括容器本体1、密封盖(图中未示出)、金属丝、碳纤维束和防静电涂层(图中未示出)。金属丝和碳纤维束设置在容器本体外壁山,用于静电荷传导。防静电涂层位于容器本体1外壁上,并将金属丝和碳纤维束封入其内,形成表面防护。通过静电荷传导和表面防护,减少静电堆积,降低着火、爆炸的风险。
具体的,容器本体1,整体由树脂粒料、增塑剂、抗氧剂、阻燃剂、抗静电剂、偶联剂和填料等共混挤出后注塑或者吹塑加工而成。
比如,按照重量份计,容器本体1的组成原料包括高密度聚乙烯60~80份、增塑剂5~10份,抗氧剂0.5~1份,阻燃剂10~20份,抗静电剂1~5份,偶联剂0.1~1份,以及填料5~15份。其中,增塑剂为邻苯二甲酸酯类塑化剂(比如DOP、DNOP、BBP、DCP、DBP等)。抗氧剂为抗氧剂1010、抗氧剂1076、抗氧剂1098、抗氧剂1024、抗氧剂168、抗氧剂1171、抗氧剂DLTP、抗氧剂DSTP、抗氧剂245、抗氧剂264或抗氧剂215中的一种或多种。阻燃剂为溴代二苯醚阻燃剂、四溴双酚A阻燃剂、聚磷酸铵阻燃剂、甲基膦酸二甲酯阻燃剂DMMP、磷酸三甲苯酯阻燃剂、磷杂氧化膦阻燃剂、氢氧化铝、氢氧化镁、三氧化二锑中的一种或多种。抗静电剂为烷基丙烯基磷酸、聚苯乙烯磺酸铵盐、双(2-羟乙基)辛基甲基双对甲苯磺酸铵、烷基磺酸盐、烷基胺环氧乙烷加成物、硬脂酸单甘酯GMS、聚醚酯、纳米级掺锑氧化锡中的一种或者多种。偶联剂为硅烷偶联剂(比如KH550、KH560、KH570等)。填料为碳酸钙或者膨润土。采用上述原料制成的容器本体1阻燃性能达到FV-2级,表面电阻率≤1*1012Ω,拉伸强度为25.0Mpa。容器本体1自身亦具有优良的阻燃性能和抗静电性能,利于整体提升塑料容器的性能。
如图1所示,容器本体1的顶部设置容器口11,其外壁上沿经纬方向分别开设有经向槽111和纬向槽112。经向槽111自容器口11附近延伸到容器本体1底部,槽深0.1~0.3mm,槽宽0.1~0.3mm。容器本体11底部与经向槽111下端(即经向槽111邻近容器本体1底的一端)对应的区域开设圆形的浅槽113。浅槽113槽深0.1~0.2mm,直径1~5mm。浅槽113的槽内区域与经向槽111内连通。纬向槽112的尺寸与经向槽12的尺寸相同。经向槽111和纬向槽112交汇点处深度增加至0.2~0.6mm。
密封盖1,整体由与容器本体1相同的原料共混挤出后注塑加工而成。
密封盖安装在容器口11上。密封盖与容器口11之间采用螺纹连接。
金属丝,直径0.1~0.3mm,安装在经向槽111和/或为纬向槽112内。金属丝的直径与经向槽111或纬向槽112的槽宽匹配,即金属丝安装到经向槽111或纬向槽112内后,容器本体1外壁与金属丝表面相切。金属丝沿经向槽111槽长方向铺设时,延伸到浅槽113内。金属丝的直径等于或者略高于浅槽113的槽深,即金属丝略突出于浅槽。位于浅槽113内的金属丝部分卷曲成螺旋状(类似蚊香盘造型)。容器本体1置于地上式,金属丝可与大地接触,形成通电回路。容器本体1上静电荷可以传递至大地,从避免静电荷堆积带来的安全隐患。同时,浅槽113内呈螺旋状卷曲的金属丝部分增加了金属丝的接地面积。再者,金属丝还可以起到加强筋的作用,提高容器本体1的结构稳定性。
本实施例中,金属丝优选采用导电性能好的铁丝、铜丝或者银丝。
碳纤维束,由多根碳纤维丝构成。碳纤维束合拢后直径0.1~0.3mm,其安装在经向槽111和/或为纬向槽112内。碳纤维束的直径与经向槽111或纬向槽112的槽宽匹配,即碳纤维束安装到经向槽111或纬向槽112内后,容器本体1外壁与碳纤维束表面相切。碳纤维束沿经向槽111槽长方向铺设时,延伸到浅槽113内。碳纤维束的直径等于或者略高于浅槽113的槽深,即碳纤维束略突出于浅槽。位于浅槽113内的碳纤维束部分层卷曲成螺旋状(类似蚊香盘造型)。容器本体1置于地上式,碳纤维束可与大地接触,形成通电回路。容器本体1上静电荷可以传递至大地,从避免静电荷堆积带来的安全隐患。同时,浅槽113内呈螺旋状卷曲的碳纤维束部分增加了碳纤维束的接地面积。再者,碳纤维束还可以起到加强筋的作用,提高容器本体1的结构稳定性。
本实施例中,金属丝和碳纤维束同时使用在经向槽111内时,两者交替使用。
本实施例中,金属丝和碳纤维束同时使用在纬向槽112时,两者交替使用。
本实施例中,经向槽111内的金属丝或碳纤维束,以及纬向槽112内的金属丝或碳纤维束之间采用经纬交叉方式布置。
防静电涂层,其位于容器本体1外壁上,并将金属丝和碳纤维束封入对应的经向槽111或纬向槽112内,且防静电涂层未遮盖容器本体1底部。防静电涂层厚度0.1~0.2mm。
比如,防静电涂层由下列重量份的原料组成:粒径小于等于4μm的硅石颗粒1~3份,丙烯酸多元醇25~35份,聚乙二醇20~30份,环甲基硅氧烷5~10份, 1-羟基环己基苯基甲酮5~10份。丙烯酸多元醇和聚乙二醇催化聚合后形成保护层。原料中硅石颗粒固化后防静电涂层具有较强的耐刮擦能力。同时聚乙二醇具有 优越的吸收结合水的能力,进一步提高了防静电效果。
本实施例中,容器本体1亦可以单独使用与对抗静电要求不高的场合。同事,本实施例中的塑料容器也可以直接已有的容器进行改装,不会涉及原料组成和生产工艺调整,可节约部分成本。
实施例2
基于同样的发明构思,本实施例中提供一种抗静电阻燃塑料容器的加工方法。该方法的具体加工流程如下:
步骤S1,采用注塑或者吹塑方式制得容器本体1,容器本体1的组成原料中含有阻燃剂。
比如,按照重量份计,容器本体1的组成原料包括高密度聚乙烯60~80份、增塑剂5~10份,抗氧剂0.5~1份,阻燃剂10~20份,抗静电剂1~5份,偶联剂0.1~1份,以及填料5~15份。
步骤S2,采用注塑方式制得密封盖。
比如,按照重量份计,密封盖的组成原料包括高密度聚乙烯60~80份、增塑剂5~10份,抗氧剂0.5~1份,阻燃剂10~20份,抗静电剂1~5份,偶联剂0.1~1份,填料5~15份,以及蓝色色母粒0.5~1份。
容器本体1和密封盖的成型过程无先后顺序,根据生产需求调节。
步骤S3,在容器本体1侧壁上自容器口11向容器本体1底部方向刻蚀出经向槽111,槽深0.1~0.3mm,槽宽0.1~0.3mm。
比如,可以采用电洛铁等加热器件在容器本体11表面进行加工。电洛铁的工作端部的温度控制在160~170℃作用,在此温度下,电洛铁压在容器本体11表面上时,容器本体1表面局部软化,受压后形成凹槽。采用热刻蚀的方式,可以减少开槽加工对容器本体1的结构稳定性的影响。
步骤S4,在容器本体1侧壁上周向刻蚀出纬向槽112,槽深0.1~0.3mm,槽宽0.2~0.3mm。纬向槽112和经向槽111的交汇点处深度增加至0.2~0.6mm。
同样,纬向槽112的刻蚀也可以采用电洛铁进行热刻蚀。
步骤S5,在容器本体1底部与经向槽111下端对应为位置处刻蚀出圆形的浅槽113,槽深0.1~0.2mm,直径1~5mm。
同样,浅槽113的刻蚀也可以采用电洛铁进行热刻蚀。
经向槽111、纬向槽112和浅槽113的成型过程无先后顺序,根据生产需求调节。
步骤S6,在每条经向槽111内安装金属丝或碳纤维束,金属丝或碳纤维束延伸到浅槽113内的部分卷曲成螺旋状。金属丝或碳纤维束的直径为0.1~0.3mm。
金属丝或碳纤维束在径向槽111内安装时,可以采用电洛铁轻触金属丝或碳纤维束,使得容器本体1发生局部软化并锚固金属丝或碳纤维束,形成多个锚固点,以提金属丝或碳纤维束的安装可靠性,防止其从径向槽111内脱出。浅槽113内的金属丝或碳纤维束也采用类似的点状锚固方式。
步骤S7,在每条纬向槽112内安装金属丝或碳纤维束。
金属丝或碳纤维束在纬向槽112内的安装时,以可以电洛铁进行锚固。
经向槽111内的金属丝或碳纤维束以及纬向槽112内的金属丝或碳纤维束的安装可以先后进行,或者同步进行,根据实际需要安排。
步骤S8,配置防静电涂层浆料。
比如,按照重量份计,防静电涂层浆料的组成原料包括粒径小于等于4μm的硅石颗粒1~3份,丙烯酸多元醇25~35份,聚乙二醇20~30份,环甲基硅氧烷5~10份, 1-羟基环己基苯基甲酮5~10份。
步骤S9,将防静电涂层浆料涂刷在容器本体1外壁上,遮盖金属丝和碳纤维束,采用紫外线波段为280nm~350nm,照度为1200mW/cm2,对涂层进行紫外光辐照固化,得到塑料容器。
本实施例中的方法简单,加工的塑料容器因为金属丝和碳纤维束以及防静电涂层,通过静电荷传导和表面防护,减少静电堆积,降低着火、爆炸的风险。
以上是对本发明创造的较佳实施例进行了具体说明,但本发明创造并不限于所述实施例,熟悉本领域的技术人员在不违背本发明精神的前提下还可做出种种的等同变形或替换,这些等同的变形或替换均包含在本申请权利要求所限定的范围内。
Claims (10)
1.一种抗静电阻燃塑料容器,其特征在于,包括:
容器本体,所述容器本体具有容器口;所述容器本体的外壁上沿经纬方向分别开设有槽深和槽宽均相同的经向槽和纬向槽,其底部开设有浅槽;所述经向槽和所述浅槽一一对应并连通;所述经向槽和所述纬向槽交汇点处深度增加至所述经向槽的槽深的2倍;所述浅槽的槽深小于等于所述经向槽的槽深;
密封盖,所述密封盖安装在所述容器口上;
金属丝,所述金属丝的直径与所述经向槽的槽宽一致,其安装在所述经向槽和/或为所述纬向槽内;所述金属丝沿所述经向槽的槽长方向铺设时延伸到所述浅槽内,卷曲成螺旋状;
碳纤维束,所述碳纤维束的直径与所述经向槽的槽宽一致,其安装在所述经向槽和/或为所述纬向槽内;所述碳纤维束沿所述经向槽的槽长方向铺设时延伸到所述浅槽内,卷曲成螺旋状;以及
防静电涂层,所述防静电涂层位于所述容器本体外壁上,并所述金属丝和所述碳纤维束封入对应的所述经向槽或所述纬向槽内。
2.根据权利要求1所述的抗静电阻燃塑料容器,其特征在于,按照重量份计,所述容器本体的组成原料包括高密度聚乙烯60~80份、增塑剂5~10份,抗氧剂0.5~1份,阻燃剂10~20份,抗静电剂1~5份,偶联剂0.1~1份以及填料5~15份。
3.根据权利要求2所述的抗静电阻燃塑料容器,其特征在于,所述增塑剂为邻苯二甲酸酯类塑化剂;所述抗氧剂为抗氧剂1010、抗氧剂1076、抗氧剂1098、抗氧剂1024、抗氧剂168、抗氧剂1171、抗氧剂DLTP、抗氧剂DSTP、抗氧剂245、抗氧剂264或抗氧剂215中的一种或多种;所述阻燃剂为溴代二苯醚阻燃剂、四溴双酚A阻燃剂、聚磷酸铵阻燃剂、甲基膦酸二甲酯阻燃剂DMMP、磷酸三甲苯酯阻燃剂、磷杂氧化膦阻燃剂、氢氧化铝、氢氧化镁、三氧化二锑中的一种或多种;所述抗静电剂为烷基丙烯基磷酸、聚苯乙烯磺酸铵盐、双(2-羟乙基)辛基甲基双对甲苯磺酸铵、烷基磺酸盐、烷基胺环氧乙烷加成物、硬脂酸单甘酯GMS、聚醚酯、纳米级掺锑氧化锡中的一种或者多种;所述偶联剂为硅烷偶联剂;所述填料为碳酸钙或者膨润土。
4.根据权利要求1所述的抗静电阻燃塑料容器,其特征在于,所述经向槽和所述纬向槽的槽深0.1~0.3mm,槽宽0.1~0.3mm;所述浅槽的槽深0.1~0.2mm。
5.根据权利要求1所述的抗静电阻燃塑料容器,其特征在于,所述金属丝和所述碳纤维束同时使用在所述经向槽或所述纬向槽内时,两者交替使用。
6.根据权利要求1所述的抗静电阻燃塑料容器,其特征在于,所述经向槽内的所述金属丝或所述碳纤维束,以及所述纬向槽内的所述金属丝或所述碳纤维束之间采用经纬交叉方式布置。
7.根据权利要求1所述的抗静电阻燃塑料容器,其特征在于,以重量份计,所述防静电涂层的组成原料包括粒径小于等于4μm的硅石颗粒1~3份,丙烯酸多元醇25~35份,聚乙二醇20~30份,环甲基硅氧烷5~10份, 1-羟基环己基苯基甲酮5~10份。
8.根据权利要求1所述的抗静电阻燃塑料容器,其特征在于,所述防静电涂层厚度0.1~0.2mm。
9.一种加工如权利要求1~8中任意一项所述的抗静电阻燃塑料容器的方法,其特征在于,包含以下步骤:
步骤S1,采用注塑或者吹塑方式制得所述容器本体,所述容器本体的组成原料中含有阻燃剂;
步骤S2,采用注塑方式制得密封盖,所述密封盖的组成原料中含有阻燃剂;
步骤S3,在所述容器本体侧壁上自所述容器口向所述容器本体底部方向刻蚀出经向槽;
步骤S4,在所述容器本体侧壁上周向刻蚀出纬向槽;
步骤S5,在所述容器本体底部与所述经向槽下端对应为位置处刻蚀出浅槽;
步骤S6,在每条所述经向槽内安装所述金属丝或所述碳纤维束,所述金属丝或所述碳纤维束延伸到所述浅槽内的部分卷曲成螺旋状;
步骤S7,在每条所述纬向槽内安装所述金属丝或所述碳纤维束;
步骤S8,配置防静电涂层浆料;
步骤S9,将防静电涂层浆料涂刷在所述容器本体外壁上,遮盖所述金属丝或所述碳纤维束,紫外光辐照固化,得到塑料容器。
10.根据权利要求9所述的抗静电阻燃塑料容器的加工方法,其特征在于,所述步骤S6中和所述步骤S7中, 所述金属丝或所述碳纤维束安装时采用点状锚固方式。
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