CN114106484A - 一种新型发泡材料及其生产方法 - Google Patents
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Abstract
本发明涉及发泡材料技术领域，且公开了一种新型发泡材料及生产方法，按重量份由以下组分组成：PVC树脂90‑110份、MBS树脂4‑6份、ACR树脂2‑4份、增塑剂4‑6份、抗氧化剂0.2‑0.4份、抗UV剂0.2‑0.4份、发泡剂0.4‑0.6份、稳定剂3‑4份、润滑剂1‑1.5份和填充料10‑14份。本发明提出一种新型发泡材料及其生产方法，本发明增加耐老化、韧性和、冲击和拉伸强度。
Description
技术领域
本发明涉及发泡材料领域，尤其涉及一种新型发泡材料及其生产方法。
背景技术
聚氯乙烯，英文简称PVC，是氯乙烯单体(VCM)在过氧化物、偶氮化合物等引发剂或在光、热作用下按自由基聚合反应机理聚合而成的聚合物。氯乙烯均聚物和氯乙烯共聚物统称之为氯乙烯树脂。PVC曾是世界上产量最大的通用塑料，应用非常广泛。在建筑材料、工业制品、日用品、地板革、地板砖、人造革、管材、电线电缆、包装膜、瓶、发泡材料、密封材料、纤维等方面均有广泛应用。
而现有的聚乙烯发泡材料的聚氯乙烯发泡材料常常存在着韧性不足、耐老化性欠佳的问题。
为解决上述问题，本申请中提出一种新型发泡材料及其生产方法。
发明内容
(一)发明目的
为解决背景技术中存在的技术问题，本发明提出一种新型发泡材料及其生产方法，本发明增加耐老化、韧性和、冲击和拉伸强度。
(二)技术方案
为解决上述问题，本发明提供了一种新型发泡材料，按重量份由以下组分组成：
PVC树脂90-110份、MBS树脂4-6份、ACR树脂2-4份、增塑剂4-6份、抗氧化剂0.2-0.4份、抗UV剂0.2-0.4份、发泡剂0.4-0.6份、稳定剂3-4份、润滑剂1-1.5份和填充料10-14份。
优选的，按重量份由以下组分组成：
PVC树脂90-100份、MBS树脂4-5份、ACR树脂2-3份、增塑剂4-5份、抗氧化剂0.2-0.3份、抗UV剂0.2-0.3份、发泡剂0.4-0.5份、稳定剂3-3.5份、润滑剂1-1.25份和填充料10-12份。
优选的，按重量份由以下组分组成：
PVC树脂100-110份、MBS树脂5-6份、ACR树脂3-4份、增塑剂5-6份、抗氧化剂0.3-0.4份、抗UV剂0.3-0.4份、发泡剂0.5-0.6份、稳定剂3.5-4份、润滑剂1.25-1.5份和填充料12-14份。
优选的，稳定剂由三碱式硫酸铅、二碱式亚磷酸铅、二碱式硬脂酸铅和HSt组成，且各占79％、2％、4％和15％。
优选的，润滑剂包括pbst、Cast、PE蜡和石蜡，且各占43％、26％、17％和14％。
优选的，填充料包括CaCO3和钛白粉。
一种新型发泡材料，生产方法如下：
S1、按重量份选取原料；
S2、混合所取的原料，经过同向平行双螺杆挤出机先低温挤出造粒，然后通过单螺杆挤出机或注塑机进行发泡成型。
优选的，在S2中的双螺杆挤出机，包括顺次排布的六个温度区，一区温度230-260℃，二区温度280-300℃，三区温度280-300℃，四区温度280-300℃，五区温度280-300℃，六区温度280-300℃，机头温度280-300℃,螺杆转速200～282r/min。
本发明的上述技术方案具有如下有益的技术效果：
MBS树脂由于其溶度参数与PVC相近，故两者的热力学相容性好，配合增塑剂的使用，表现为PVC在室温或低温下具有很高的抗冲击强度，并且由于MBS树脂它与PVC折光指数相近，故当两者共混熔融以后，容易达到均一的折射率,因此用MBS做PVC的抗冲改性剂不会影响PVC的透明性；ACR树脂配合聚氯乙烯改性的以甲基丙烯酸甲酯为主体的丙烯酸树脂，是一种较新且发展较快的聚氯乙烯改性剂，具有优良的耐候性，极高的冲击改性效果和良好的加工流动性，一方面用于改善PVC的加工性，另一方面用了改善PVC的抗冲击性；本发明增塑剂的加入可以使PVC的韧性增强，便于加工；在抗UV剂的加入提升了发泡PVC材料的耐老化性。
附图说明
图1为本发明提出的一种新型发泡材料生产方法的流程图。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚明了，下面结合具体实施方式并参照附图1，对本发明进一步详细说明。应该理解，这些描述只是示例性的，而并非要限制本发明的范围。此外，在以下说明中，省略了对公知结构和技术的描述，以避免不必要地混淆本发明的概念。
实施例1
一种新型发泡材料，按重量份由以下组分组成：
PVC树脂100份、MBS树脂5份、ACR树脂3份、增塑剂5份、抗氧化剂0.3份、抗UV剂0.3份、发泡剂0.5份、稳定剂3.5份、润滑剂1.25份和填充料12份。
在一个可选的实施例中，稳定剂由三碱式硫酸铅、二碱式亚磷酸铅、二碱式硬脂酸铅和HSt组成，且各占79％、2％、4％和15％。
在一个可选的实施例中，润滑剂包括pbst、Cast、PE蜡和石蜡，且各占43％、26％、17％和14％。
在一个可选的实施例中，填充料包括CaCO3和钛白粉。
一种新型发泡材料，生产方法如下：
S1、按重量份选取原料；
S2、混合所取的原料，经过同向平行双螺杆挤出机先低温挤出造粒，然后通过单螺杆挤出机或注塑机进行发泡成型。
在一个可选的实施例中，在S2中的双螺杆挤出机，包括顺次排布的六个温度区，一区温度230℃，二区温度280℃，三区温度280℃，四区温度280℃，五区温度280℃，六区温度280℃，机头温度280℃,螺杆转速200r/min。
实施例2
一种新型发泡材料，按重量份由以下组分组成：
PVC树脂90份、MBS树脂4份、ACR树脂2份、增塑剂4份、抗氧化剂0.2份、抗UV剂0.2份、发泡剂0.4份、稳定剂3份、润滑剂1份和填充料10份。
在一个可选的实施例中，稳定剂由三碱式硫酸铅、二碱式亚磷酸铅、二碱式硬脂酸铅和HSt组成，且各占79％、2％、4％和15％。
在一个可选的实施例中，润滑剂包括pbst、Cast、PE蜡和石蜡，且各占43％、26％、17％和14％。
在一个可选的实施例中，填充料包括CaCO3和钛白粉。
一种新型发泡材料，生产方法如下：
S1、按重量份选取原料；
S2、混合所取的原料，经过同向平行双螺杆挤出机先低温挤出造粒，然后通过单螺杆挤出机或注塑机进行发泡成型。
在一个可选的实施例中，在S2中的双螺杆挤出机，包括顺次排布的六个温度区，一区温度230℃，二区温度280℃，三区温度300℃，四区温度300℃，五区温度300℃，六区温度300℃，机头温度300℃,螺杆转速282r/min。
实施例3
一种新型发泡材料，按重量份由以下组分组成：
PVC树脂105份、MBS树脂5.5份、ACR树脂3.5份、增塑剂5.5份、抗氧化剂0.35份、抗UV剂0.35份、发泡剂0.55份、稳定剂3.5份、润滑剂1.25份和填充料13份。
在一个可选的实施例中，稳定剂由三碱式硫酸铅、二碱式亚磷酸铅、二碱式硬脂酸铅和HSt组成，且各占79％、2％、4％和15％。
在一个可选的实施例中，润滑剂包括pbst、Cast、PE蜡和石蜡，且各占43％、26％、17％和14％。
在一个可选的实施例中，填充料包括CaCO3和钛白粉。
一种新型发泡材料，生产方法如下：
S1、按重量份选取原料；
S2、混合所取的原料，经过同向平行双螺杆挤出机先低温挤出造粒，然后通过单螺杆挤出机或注塑机进行发泡成型。
在一个可选的实施例中，在S2中的双螺杆挤出机，包括顺次排布的六个温度区，一区温度260℃，二区温度290℃，三区温度290℃，四区温度290℃，五区温度290℃，六区温度290℃，机头温度290℃,螺杆转速260r/min。
实施例4
将上述实施例1-3及现有制备的PVC发泡料用注塑机制成样条测试，测试数据如下表：
从上表中可以看出实施例1-3的PVC发泡材料性能均优于现有PVC发泡材料。
应当理解的是，本发明的上述具体实施方式仅仅用于示例性说明或解释本发明的原理，而不构成对本发明的限制。因此，在不偏离本发明的精神和范围的情况下所做的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。此外，本发明所附权利要求旨在涵盖落入所附权利要求范围和边界、或者这种范围和边界的等同形式内的全部变化和修改例。
Claims (8)
1.一种新型发泡材料，其特征在于，按重量份由以下组分组成：
PVC树脂90-110份、MBS树脂4-6份、ACR树脂2-4份、增塑剂4-6份、抗氧化剂0.2-0.4份、抗UV剂0.2-0.4份、发泡剂0.4-0.6份、稳定剂3-4份、润滑剂1-1.5份和填充料10-14份。
2.根据权利要求1所述的一种新型发泡材料，其特征在于，按重量份由以下组分组成：
PVC树脂90-100份、MBS树脂4-5份、ACR树脂2-3份、增塑剂4-5份、抗氧化剂0.2-0.3份、抗UV剂0.2-0.3份、发泡剂0.4-0.5份、稳定剂3-3.5份、润滑剂1-1.25份和填充料10-12份。
3.根据权利要求1所述的一种新型发泡材料，其特征在于，按重量份由以下组分组成：
PVC树脂100-110份、MBS树脂5-6份、ACR树脂3-4份、增塑剂5-6份、抗氧化剂0.3-0.4份、抗UV剂0.3-0.4份、发泡剂0.5-0.6份、稳定剂3.5-4份、润滑剂1.25-1.5份和填充料12-14份。
4.根据权利要求1所述的一种新型发泡材料，其特征在于，稳定剂由三碱式硫酸铅、二碱式亚磷酸铅、二碱式硬脂酸铅和HSt组成，且各占79％、2％、4％和15％。
5.根据权利要求1所述的一种新型发泡材料，其特征在于，润滑剂包括pbst、Cast、PE蜡和石蜡，且各占43％、26％、17％和14％。
6.根据权利要求1所述的一种新型发泡材料，其特征在于，填充料包括CaCO3和钛白粉。
7.根据权利要求1-5任一所述的一种新型发泡材料，其特征在于，生产方法如下：
S1、按重量份选取原料；
S2、混合所取的原料，经过同向平行双螺杆挤出机先低温挤出造粒，然后通过单螺杆挤出机或注塑机进行发泡成型。
8.根据权利要求7所述的一种新型发泡材料的生产方法，其特征在于，征在于，在S2中的双螺杆挤出机，包括顺次排布的六个温度区，一区温度230-260℃，二区温度280-300℃，三区温度280-300℃，四区温度280-300℃，五区温度280-300℃，六区温度280-300℃，机头温度280-300℃,螺杆转速200～282r/min。
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