CN108659362A - 一种提高彩色塑料颗粒颜色均匀度的制造工艺 - Google Patents
一种提高彩色塑料颗粒颜色均匀度的制造工艺 Download PDFInfo
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Abstract
本发明公开了一种提高彩色塑料颗粒颜色均匀度的制造工艺,包括以下步骤:按照重量配比称取各原料;在搅拌状态下投入增韧剂和抗氧剂,边搅拌边投入粉末状酚醛树脂和第一部分着色剂,投完后搅拌;在搅拌状态下投入可发性聚苯乙烯、甲基丙烯酸、聚醚酰亚胺、无卤阻燃剂和第二部分着色剂,投完后搅拌;投入聚酰亚胺、聚甲基丙烯酰亚胺和第二部分着色剂放入捏合机中进行捏合;捏合之后进入烘箱进行干燥,得到干燥物料;干燥物料送入球磨机,加入固定剂、润滑剂以及塑料小彩点辅料,球磨完成颜色均匀度。本发明的工艺简单,大大提高了颜色均匀度,制得的彩色塑料颗粒具有耐腐蚀、耐老化、抗拉强度高、回弹力高、阻燃性能较好、适应温度范围广等优点。
Description
技术领域
本发明涉及塑料颗粒加工工艺领域,特别是涉及一种提高彩色塑料颗粒颜色均匀度的制造工艺。
背景技术
塑料颗粒,一种合成的高分子化合物,也是一般所俗称的塑料或树脂,可以自由改变形体样式。是利用单体原料以合成或缩合反应聚合而成的材料,由合成树脂及填料、增塑剂、稳定剂、润滑剂、色料等添加剂组成的。
近年来,由于工程塑料颗粒制作而成的工程塑料具有良好的综合性能,得到了广泛的应用,但是在实际应用中存在加工工艺复杂,制备的彩色塑料颗粒耐腐蚀、耐老化、抗拉强度、回弹力和阻燃性能差,颜色均匀度低,适应温度范围窄。随着,人们对商品质量要求越来越高,在汽车、家电等领域用的工程塑料,制作满足较高性能的工程塑料颗粒,成为各制作厂家刻不容缓需要解决的问题。
发明内容
本发明主要解决的技术问题是提供一种提高彩色塑料颗粒颜色均匀度的制造工艺,该工艺简单,大大提高了颜色均匀度,制得的彩色塑料颗粒具有耐腐蚀、耐老化、抗拉强度高、回弹力高、阻燃性能较好、适应温度范围广等优点。
为解决上述技术问题,本发明采用的一个技术方案是:提供一种提高彩色塑料颗粒颜色均匀度的制造工艺,包括以下步骤:
(1)按照重量配比称取原料酚醛树脂、可发性聚苯乙烯、甲基丙烯酸、聚醚酰亚胺、聚酰亚胺、聚甲基丙烯酰亚胺、无卤阻燃剂、着色剂、增韧剂、固定剂、抗氧剂、润滑剂和塑料小彩点;
(2)在搅拌状态下投入增韧剂和抗氧剂,边搅拌边投入粉末状酚醛树脂和第一部分着色剂,投完后搅拌使混合均匀,加热;
(3)在搅拌状态下投入可发性聚苯乙烯、甲基丙烯酸、聚醚酰亚胺、无卤阻燃剂和第二部分着色剂,投完后搅拌,然后加热;
(4)投入聚酰亚胺、聚甲基丙烯酰亚胺和第二部分着色剂放入捏合机中进行捏合;
(5)捏合之后进入烘箱进行干燥,得到干燥物料;
(6)干燥物料送入球磨机,加入固定剂、润滑剂以及塑料小彩点辅料,球磨7~11小时完成颜色均匀度。
在本发明一个较佳实施例中,步骤(1)中的原料的重量配比为:酚醛树脂25~35份,可发性聚苯乙烯55~65份,甲基丙烯酸10~20份,聚醚酰亚胺7~12份,聚酰亚胺5~10份,聚甲基丙烯酰亚胺5~10份,无卤阻燃剂1~3份,着色剂0.5~2.5份,增韧剂0.5~1.5份,固定剂0.3~1.2份,抗氧剂0.5~1.5份,润滑剂0.3~1.2份和塑料小彩点0.2~0.5份。
在本发明一个较佳实施例中,步骤(2)中投完后在1000~1200r/min的转速下搅拌10~15min使混合均匀,在35~45℃温度下加热10~15min。
在本发明一个较佳实施例中,步骤(3)中投完后在1200~1500r/min的转速下搅拌15~20min,然后在35~45℃温度下加热10~15min。
在本发明一个较佳实施例中,步骤(5)中干燥温度为70~80℃,并控制水份3 %以下。
在本发明一个较佳实施例中,所述的第一部分着色剂、第二部分着色剂和第三部分着色剂的重量配比为2:1:1。
在本发明一个较佳实施例中,所述的无卤阻燃剂为二苯基-磷基-(三乙氧基-硅基)丙胺或氢氧化镁,所述的增韧剂为纳米二氧化钛、聚乙二醇和玻璃纤维,所述的着色剂为无机颜料或有机颜料。
在本发明一个较佳实施例中,所述的无机颜料为钛白粉、炭黑、塑料红或塑料紫,所述的有机颜料为酞菁蓝、酞菁绿或偶氮颜料。
在本发明一个较佳实施例中,所述的固定剂为丹宁酸,抗氧剂为抗氧剂1010或抗氧剂168,润滑剂为硬脂酰胺、聚乙烯蜡或氧化聚乙烯蜡。
在本发明一个较佳实施例中,所述的塑料小彩点的粒径为0.1~0.3nm。
本发明的有益效果是:本发明的工艺简单,大大提高了颜色均匀度,制得的彩色塑料颗粒具有耐腐蚀、耐老化、抗拉强度高、回弹力高、阻燃性能较好、适应温度范围广等优点,着色剂分多次加入并添加了塑料小彩点,大大提高了颜色均匀度;添加可发性聚苯乙烯使新型彩色泡沫塑料颗粒具有优异持久的保温隔热性、独特的缓冲抗震性、抗老化性和防水性;添加聚醚酰亚胺使新型彩色泡沫塑料颗粒具有耐高温、尺寸稳定性以及抗高强度的优点;添加聚酰亚胺使新型彩色泡沫塑料颗粒具有长期使用温度范围广,优异的力学性能和良好的防火性能。
具体实施方式
下面将对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅是本发明的一部分实施例,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做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
一种提高彩色塑料颗粒颜色均匀度的制造工艺,包括以下步骤:
(1)按照重量配比称取原料酚醛树脂30份,可发性聚苯乙烯60份,甲基丙烯酸15份,聚醚酰亚胺10份,聚酰亚胺7份,聚甲基丙烯酰亚胺8份,二苯基-磷基-(三乙氧基-硅基)丙胺2份,偶氮颜料1.5份,玻璃纤维增韧剂1份,丹宁酸固定剂0.7份,抗氧剂1010 1份,硬脂酰胺润滑剂0.8份和粒径为0.2nm的塑料小彩点0.3份;
(2)在搅拌状态下投入增韧剂和抗氧剂,边搅拌边投入粉末状酚醛树脂和第一部分着色剂,投完后在1100r/min的转速下搅拌13min使混合均匀,在40℃温度下加热12min;
(3)在搅拌状态下投入可发性聚苯乙烯、甲基丙烯酸、聚醚酰亚胺、无卤阻燃剂和第二部分着色剂,投完后在14r/min的转速下搅拌17min,然后在40℃温度下加热12min;
(4)投入聚酰亚胺、聚甲基丙烯酰亚胺和第二部分着色剂放入捏合机中进行捏合;
(5)捏合之后进入烘箱进行干燥,得到干燥物料,干燥温度为70~80℃,并控制水份3 %以下;
(6)干燥物料送入球磨机,加入固定剂、润滑剂以及塑料小彩点辅料,球磨9小时完成颜色均匀度。
所述的第一部分着色剂、第二部分着色剂和第三部分着色剂的重量配比为2:1:1。
实施例2
一种提高彩色塑料颗粒颜色均匀度的制造工艺,包括以下步骤:
(1)按照重量配比称取原料酚醛树脂25份,可发性聚苯乙烯55,甲基丙烯酸10份,聚醚酰亚胺7份,聚酰亚胺5份,聚甲基丙烯酰亚胺5份,氢氧化镁1份,钛白粉0.5份,纳米二氧化钛增韧剂0.5份,丹宁酸固定剂0.3份,抗氧剂1010 0.5份,氧化聚乙烯蜡润滑剂0.3份和粒径为0.1nm的塑料小彩点0.2份;
(2)在搅拌状态下投入增韧剂和抗氧剂,边搅拌边投入粉末状酚醛树脂和第一部分着色剂,投完后在1000r/min的转速下搅拌15min使混合均匀,在35℃温度下加热15min;
(3)在搅拌状态下投入可发性聚苯乙烯、甲基丙烯酸、聚醚酰亚胺、无卤阻燃剂和第二部分着色剂,投完后在1200r/min的转速下搅拌20min,然后在35℃温度下加热15min;
(4)投入聚酰亚胺、聚甲基丙烯酰亚胺和第二部分着色剂放入捏合机中进行捏合;
(5)捏合之后进入烘箱进行干燥,得到干燥物料,干燥温度为70~80℃,并控制水份3 %以下;
(6)干燥物料送入球磨机,加入固定剂、润滑剂以及塑料小彩点辅料,球磨7小时完成颜色均匀度。
所述的第一部分着色剂、第二部分着色剂和第三部分着色剂的重量配比为2:1:1。
实施例3
一种提高彩色塑料颗粒颜色均匀度的制造工艺,包括以下步骤:
(1)按照重量配比称取原料酚醛树脂35份,可发性聚苯乙烯65份,甲基丙烯酸20份,聚醚酰亚胺12份,聚酰亚胺10份,聚甲基丙烯酰亚胺10份,二苯基-磷基-(三乙氧基-硅基)丙胺3份,酞菁蓝颜料2.5份,聚乙二醇增韧剂0.5~1.5份,丹宁酸固定剂0.3~1.2份,抗氧剂1680.5~1.5份,聚乙烯蜡或润滑剂1.2份和粒径为0.3nm的塑料小彩点0.5份;
(2)在搅拌状态下投入增韧剂和抗氧剂,边搅拌边投入粉末状酚醛树脂和第一部分着色剂,投完后在1200r/min的转速下搅拌10min使混合均匀,在45℃温度下加热10min;
(3)在搅拌状态下投入可发性聚苯乙烯、甲基丙烯酸、聚醚酰亚胺、无卤阻燃剂和第二部分着色剂,投完后在1500r/min的转速下搅拌15min,然后在45℃温度下加热10min;
(4)投入聚酰亚胺、聚甲基丙烯酰亚胺和第二部分着色剂放入捏合机中进行捏合;
(5)捏合之后进入烘箱进行干燥,得到干燥物料,干燥温度为70~80℃,并控制水份3 %以下;
(6)干燥物料送入球磨机,加入固定剂、润滑剂以及塑料小彩点辅料,球磨11小时完成颜色均匀度。
所述的第一部分着色剂、第二部分着色剂和第三部分着色剂的重量配比为2:1:1。
本发明一种提高彩色塑料颗粒颜色均匀度的制造工艺的有益效果是:本发明的工艺简单,大大提高了颜色均匀度,制得的彩色塑料颗粒具有耐腐蚀、耐老化、抗拉强度高、回弹力高、阻燃性能较好、适应温度范围广等优点,着色剂分多次加入并添加了塑料小彩点,大大提高了颜色均匀度;添加可发性聚苯乙烯使新型彩色泡沫塑料颗粒具有优异持久的保温隔热性、独特的缓冲抗震性、抗老化性和防水性;添加聚醚酰亚胺使新型彩色泡沫塑料颗粒具有耐高温、尺寸稳定性以及抗高强度的优点;添加聚酰亚胺使新型彩色泡沫塑料颗粒具有长期使用温度范围广,优异的力学性能和良好的防火性能。
以上所述仅为本发明的实施例,并非因此限制本发明的专利范围,凡是利用本发明说明书内容所作的等效结构或等效流程变换,或直接或间接运用在其它相关的技术领域,均同理包括在本发明的专利保护范围内。
Claims (10)
1.一种提高彩色塑料颗粒颜色均匀度的制造工艺,其特征在于,包括以下步骤:
(1)按照重量配比称取原料酚醛树脂、可发性聚苯乙烯、甲基丙烯酸、聚醚酰亚胺、聚酰亚胺、聚甲基丙烯酰亚胺、无卤阻燃剂、着色剂、增韧剂、固定剂、抗氧剂、润滑剂和塑料小彩点;
(2)在搅拌状态下投入增韧剂和抗氧剂,边搅拌边投入粉末状酚醛树脂和第一部分着色剂,投完后搅拌使混合均匀,加热;
(3)在搅拌状态下投入可发性聚苯乙烯、甲基丙烯酸、聚醚酰亚胺、无卤阻燃剂和第二部分着色剂,投完后搅拌,然后加热;
(4)投入聚酰亚胺、聚甲基丙烯酰亚胺和第二部分着色剂放入捏合机中进行捏合;
(5)捏合之后进入烘箱进行干燥,得到干燥物料;
(6)干燥物料送入球磨机,加入固定剂、润滑剂以及塑料小彩点辅料,球磨7~11小时完成颜色均匀度。
2.根据权利要求1所述的提高彩色塑料颗粒颜色均匀度的制造工艺,其特征在于,步骤(1)中的原料的重量配比为:酚醛树脂25~35份,可发性聚苯乙烯55~65份,甲基丙烯酸10~20份,聚醚酰亚胺7~12份,聚酰亚胺5~10份,聚甲基丙烯酰亚胺5~10份,无卤阻燃剂1~3份,着色剂0.5~2.5份,增韧剂0.5~1.5份,固定剂0.3~1.2份,抗氧剂0.5~1.5份,润滑剂0.3~1.2份和塑料小彩点0.2~0.5份。
3.根据权利要求1所述的提高彩色塑料颗粒颜色均匀度的制造工艺,其特征在于,步骤(2)中投完后在1000~1200r/min的转速下搅拌10~15min使混合均匀,在35~45℃温度下加热10~15min。
4.根据权利要求1所述的提高彩色塑料颗粒颜色均匀度的制造工艺,其特征在于,步骤(3)中投完后在1200~1500r/min的转速下搅拌15~20min,然后在35~45℃温度下加热10~15min。
5.根据权利要求1所述的提高彩色塑料颗粒颜色均匀度的制造工艺,其特征在于,步骤(5)中干燥温度为70~80℃,并控制水份3 %以下。
6.根据权利要求1所述的提高彩色塑料颗粒颜色均匀度的制造工艺,其特征在于,所述的第一部分着色剂、第二部分着色剂和第三部分着色剂的重量配比为2:1:1。
7.根据权利要求2所述的提高彩色塑料颗粒颜色均匀度的制造工艺,其特征在于,所述的无卤阻燃剂为二苯基-磷基-(三乙氧基-硅基)丙胺或氢氧化镁,所述的增韧剂为纳米二氧化钛、聚乙二醇和玻璃纤维,所述的着色剂为无机颜料或有机颜料。
8.根据权利要求7所述的提高彩色塑料颗粒颜色均匀度的制造工艺,其特征在于,所述的无机颜料为钛白粉、炭黑、塑料红或塑料紫,所述的有机颜料为酞菁蓝、酞菁绿或偶氮颜料。
9.根据权利要求2所述的提高彩色塑料颗粒颜色均匀度的制造工艺,其特征在于,所述的固定剂为丹宁酸,抗氧剂为抗氧剂1010或抗氧剂168,润滑剂为硬脂酰胺、聚乙烯蜡或氧化聚乙烯蜡。
10.根据权利要求2所述的提高彩色塑料颗粒颜色均匀度的制造工艺,其特征在于,所述的塑料小彩点的粒径为0.1~0.3nm。
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