CN111793316A - 一种塑胶大理石纹面及注塑成型工艺 - Google Patents
一种塑胶大理石纹面及注塑成型工艺 Download PDFInfo
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Abstract
本发明公开了一种塑胶大理石纹面及注塑成型工艺,具体涉及塑胶生产领域,包括塑胶复合材料和大理石纹色母粒,其特征在于:所述的塑胶复合材料按照质量份的原料包括:ABS70‑74份,PVC55‑58份,抗氧剂2.2‑2.8份,稳定剂0.8‑1.0份,超微粉16‑20份,纳米氧化铝粉51‑54份,刚玉细粉26‑28份;所述大理石纹色母粒包括以下重量份的组分:60‑80份PET、5‑10份颜料、2‑5份润滑剂、1‑3份相容剂、0.3‑1稳定剂、0.3‑1份抗氧剂。本发明通过添加大理石纹色母粒并将其与塑胶原料混熔,可得到具有多种颜色的仿大理石纹的塑胶制品,且还能提高塑胶制品的拉伸强度和弯曲强度。
Description
技术领域
本发明涉及塑胶生产技术领域,更具体地说,本发明涉及一种塑胶大理石纹面及注塑成型工艺。
背景技术
塑胶主要由碳、氧、氢和氮及其他有机或无机元素所构成,成品为固体,在制造过程中是熔融状的液体,因此可以机加热使其熔化、加压力使其流动、冷却使其固化,而形成各种形状,此庞大而变化多端的材料族群称为塑胶。塑胶应用非常广泛,是家电、汽车、手机、PC、医疗器械、照明电器中不可或缺的部件。
大理石纹理效果是白色带有黑色花纹或深色花纹,目前制作大理石纹理效果大多通过配制大理石效果的釉料来实现,但使用釉料不但配方组分复杂,且制作工艺繁琐,需要大量专业制作设备,生产成本很高。
发明内容
为了克服现有技术的上述缺陷,本发明的实施例提供一种塑胶大理石纹面及注塑成型工艺,本发明所要解决的问题是:现有对塑胶制品的形成大理石纹面的工艺复杂,生产成本高。
为实现上述目的,本发明提供如下技术方案:一种塑胶大理石纹面,包括塑胶复合材料和大理石纹色母粒,其特征在于:所述的塑胶复合材料按照质量份的原料包括:ABS70-74份,PVC55-58份,抗氧剂2.2-2.8份,稳定剂0.8-1.0份,超微粉16-20份,纳米氧化铝粉51-54份,刚玉细粉26-28份;所述大理石纹色母粒包括以下重量份的组分:60-80份PET、5-10份颜料、2-5份润滑剂、1-3份相容剂、0.3-1稳定剂、0.3-1份抗氧剂。
在一个优选的实施方式中,所述颜料为酞菁红、酞菁蓝、酞菁绿、耐晒大红、大分子红、大分子黄、永固黄、永固紫、偶氮红、镉红、镉黄、钛白粉、炭黑、氧化铁红、氧化铁黄中的一种或几种的组合物。
在一个优选的实施方式中,所述稳定剂为硬脂酸钡、硬脂酸钙、硬脂酸镁中的一种或几种的组合物,所述抗氧剂为茶多酚或植酸,所述润滑剂为硅油、脂肪酸酰胺、油酸、聚酯、合成酯、羧酸中的一种或几种的组合物,所述相容剂为马来酸酐接枝苯乙烯或丙烯腈-苯乙烯-马来酸酐三元共聚物。
一种塑胶大理石纹面的注塑成型工艺,包括以下步骤:
S1:取塑胶复合材料的原料投入到高速搅拌机中,在常温下搅拌10分钟,得到混合原料;
S2:将混合原料以及大理石纹色母粒加入到双螺杆挤出机的投料漏斗中,在双螺杆挤出机中混熔挤出,设定双螺杆挤出机温度为220℃,螺杆转速为300rpm;
S3:将混熔挤出的塑胶复合材料的原料吸入到烘料机料筒中,将烘料温度设定为90℃,烘料时间设定为2小时;
S4:设定水冷模具参数,将动模和定模的冷却循环系统的水压均分别设定为20bar,所有热流道温度均设定为180℃;所述动模和定模的模温均设定为30℃,将烘好的塑胶复合材料的原料输送至注塑机中,在注射器内预先施加5bar的备压,以85bar的注射压力同时向所述动模和定模型腔注入塑胶复合材料的原料,注射速度设定为70mm/s,注射时间均设定为4秒,通过注射头将混合料注入动模和定模的注胶口内,保压在75bar,并持续4秒,冷却,固化成型;
S5:开模取出制品,开模压力设定为60bar;经过加压、冷却后挤出料在模具中成型,脱模后得到仿大理石纹面的塑胶制品。。
大理石纹色母粒的制备方法,包括以下步骤:
A1:将PET、ABS、酞菁蓝、硅油、马来酸酐接枝苯乙烯、硬脂酸镁、抗氧剂TPP按照配比投入高速搅拌机中,在120℃下搅拌10分钟,冷却后继续搅拌10分钟,得到混合原料;
A2:将混合原料投入双螺杆挤出机中熔融,双螺杆挤出机的温度从进料口到挤出头逐渐从180℃上升到240℃,挤出条状料;
A3:将挤出的条状料在经水冷、风干、切粒后制得大理石纹色母粒。
本发明的技术效果和优点:
1、本发明通过添加大理石纹色母粒并将其与塑胶原料混熔,可得到具有多种颜色的仿大理石纹的塑胶制品,制品表面的纹路清晰、实现了多种颜色随意搭配效果,使得塑胶制品具有亮丽的外观效果,且还能提高塑胶制品的拉伸强度和弯曲强度,与现有技术相比,有解决不便于对塑胶制品表面制备大理石花纹的进步;
2、本发明通过在塑胶产品中的原料中添加了稳定剂、超微粉、纳米氧化铝粉和刚玉细粉,使制备的塑胶具有低发烟量,净烟,不滴燃的特性,包含无毒无卤阻燃剂,其可具体用于塑胶发泡剂,扩大了使用范围,且通过此塑胶制备的地板不易变形、开裂,有利于提高了塑胶发泡体的防火性能,与现有技术相比,有延长产品使用寿命的进步。
附图说明
图1为本发明的产品外观示意图;
图2为本发明的产品生产工艺流程示意图。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,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他实施例,都属于本发明保护的范围。
本发明一实施例的塑胶大理石纹面,包括塑胶复合材料和大理石纹色母粒,其特征在于:所述的塑胶复合材料按照质量份的原料包括:ABS70-74份,PVC55-58份,抗氧剂2.2-2.8份,稳定剂0.8-1.0份,超微粉16-20份,纳米氧化铝粉51-54份,刚玉细粉26-28份;所述大理石纹色母粒包括以下重量份的组分:60-80份PET、5-10份颜料、2-5份润滑剂、1-3份相容剂、0.3-1稳定剂、0.3-1份抗氧剂。
所述颜料为酞菁红、酞菁蓝、酞菁绿、耐晒大红、大分子红、大分子黄、永固黄、永固紫、偶氮红、镉红、镉黄、钛白粉、炭黑、氧化铁红、氧化铁黄中的一种或几种的组合物。
所述稳定剂为硬脂酸钡、硬脂酸钙、硬脂酸镁中的一种或几种的组合物,所述抗氧剂为茶多酚或植酸,所述润滑剂为硅油、脂肪酸酰胺、油酸、聚酯、合成酯、羧酸中的一种或几种的组合物,所述相容剂为马来酸酐接枝苯乙烯或丙烯腈-苯乙烯-马来酸酐三元共聚物。
一种塑胶大理石纹面的注塑成型工艺,包括以下步骤:
S1:取塑胶复合材料的原料投入到高速搅拌机中,在常温下搅拌10分钟,得到混合原料;
S2:将混合原料以及大理石纹色母粒加入到双螺杆挤出机的投料漏斗中,在双螺杆挤出机中混熔挤出,设定双螺杆挤出机温度为220℃,螺杆转速为300rpm;
S3:将混熔挤出的塑胶复合材料的原料吸入到烘料机料筒中,将烘料温度设定为90℃,烘料时间设定为2小时;
S4:设定水冷模具参数,将动模和定模的冷却循环系统的水压均分别设定为20bar,所有热流道温度均设定为180℃;所述动模和定模的模温均设定为30℃,将烘好的塑胶复合材料的原料输送至注塑机中,在注射器内预先施加5bar的备压,以85bar的注射压力同时向所述动模和定模型腔注入塑胶复合材料的原料,注射速度设定为70mm/s,注射时间均设定为4秒,通过注射头将混合料注入动模和定模的注胶口内,保压在75bar,并持续4秒,冷却,固化成型;
S5:开模取出制品,开模压力设定为60bar;经过加压、冷却后挤出料在模具中成型,脱模后得到仿大理石纹面的塑胶制品。
大理石纹色母粒的制备方法,包括以下步骤:
A1:将PET、颜料、硅油、马来酸酐接枝苯乙烯、硬脂酸镁、抗氧剂TPP按照配比投入高速搅拌机中,在120℃下搅拌10分钟,冷却后继续搅拌10分钟,得到混合原料;
A2:将混合原料投入双螺杆挤出机中熔融,双螺杆挤出机的温度从进料口到挤出头逐渐从180℃上升到240℃,挤出条状料;
A3:将挤出的条状料在经水冷、风干、切粒后制得大理石纹色母粒。
综上所述:本发明通过在塑胶产品中的原料中添加了稳定剂、超微粉、纳米氧化铝粉和刚玉细粉,使制备的塑胶具有低发烟量,净烟,不滴燃的特性,包含无毒无卤阻燃剂,其可具体用于塑胶发泡剂,扩大了使用范围,且通过此塑胶制备的地板不易变形、开裂,有利于提高了塑胶发泡体的防火性能,通过在注塑过程中添加大理石纹色母粒,改变了在塑胶制品制备大理石纹面的方式,通过添加混熔色母粒,可得到具有多种颜色的仿大理石纹的塑胶制品,纹路清晰、实现了多种颜色随意搭配效果,使得塑胶制品具有亮丽的外观效果,且还能提高塑胶制品的拉伸强度和弯曲强度。
最后:以上所述仅为本发明的优选实施例而已,并不用于限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (5)
1.一种塑胶大理石纹面,包括塑胶复合材料和大理石纹色母粒,其特征在于:所述的塑胶复合材料按照质量份的原料包括:ABS70-74份,PVC55-58份,抗氧剂2.2-2.8份,稳定剂0.8-1.0份,超微粉16-20份,纳米氧化铝粉51-54份,刚玉细粉26-28份;所述大理石纹色母粒包括以下重量份的组分:60-80份PET、5-10份颜料、2-5份润滑剂、1-3份相容剂、0.3-1稳定剂、0.3-1份抗氧剂。
2.根据权利要求1所述的一种塑胶大理石纹面,其特征在于:所述颜料为酞菁红、酞菁蓝、酞菁绿、耐晒大红、大分子红、大分子黄、永固黄、永固紫、偶氮红、镉红、镉黄、钛白粉、炭黑、氧化铁红、氧化铁黄中的一种或几种的组合物。
3.根据权利要求1所述的一种塑胶大理石纹面,其特征在于:所述稳定剂为硬脂酸钡、硬脂酸钙、硬脂酸镁中的一种或几种的组合物,所述抗氧剂为茶多酚或植酸,所述润滑剂为硅油、脂肪酸酰胺、油酸、聚酯、合成酯、羧酸中的一种或几种的组合物,所述相容剂为马来酸酐接枝苯乙烯或丙烯腈-苯乙烯-马来酸酐三元共聚物。
4.一种如权利要求1-3所述的一种塑胶大理石纹面的注塑成型工艺,其特征在于,包括以下步骤:
S1:取塑胶复合材料的原料投入到高速搅拌机中,在常温下搅拌10分钟,得到混合原料;
S2:将混合原料以及大理石纹色母粒加入到双螺杆挤出机的投料漏斗中,在双螺杆挤出机中混熔挤出,设定双螺杆挤出机温度为220℃,螺杆转速为300rpm;
S3:将混熔挤出的塑胶复合材料的原料吸入到烘料机料筒中,将烘料温度设定为90℃,烘料时间设定为2小时;
S4:设定水冷模具参数,将动模和定模的冷却循环系统的水压均分别设定为20bar,所有热流道温度均设定为180℃;所述动模和定模的模温均设定为30℃,将烘好的塑胶复合材料的原料输送至注塑机中,在注射器内预先施加5bar的备压,以85bar的注射压力同时向所述动模和定模型腔注入塑胶复合材料的原料,注射速度设定为70mm/s,注射时间均设定为4秒,通过注射头将混合料注入动模和定模的注胶口内,保压在75bar,并持续4秒,冷却,固化成型;
S5:开模取出制品,开模压力设定为60bar;经过加压、冷却后挤出料在模具中成型,脱模后得到仿大理石纹面的塑胶制品。
5.一种如权利要求1-3所述的一种塑胶大理石纹面的注塑成型工艺,其特征在于,包括以下步骤:
A1:将PET、酞菁蓝、硅油、马来酸酐接枝苯乙烯、硬脂酸镁、抗氧剂TPP按照配比投入高速搅拌机中,在120℃下搅拌10分钟,冷却后继续搅拌10分钟,得到混合原料;
A2:将混合原料投入双螺杆挤出机中熔融,双螺杆挤出机的温度从进料口到挤出头逐渐从180℃上升到240℃,挤出条状料;
A3:将挤出的条状料在经水冷、风干、切粒后制得大理石纹色母粒。
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