CN112457620A - 一种htrb高分子复合橡胶及其制备方法 - Google Patents

一种htrb高分子复合橡胶及其制备方法 Download PDF

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CN112457620A
CN112457620A CN202011370664.9A CN202011370664A CN112457620A CN 112457620 A CN112457620 A CN 112457620A CN 202011370664 A CN202011370664 A CN 202011370664A CN 112457620 A CN112457620 A CN 112457620A
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罗荣财
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Abstract

本发明公开了一种HTRB高分子复合橡胶及其制备方法,包括以下步骤:称取天然胶、顺丁橡胶、纳米钙并搅拌均匀,然后依次进行密炼机密炼、挤片剂挤出、切片、加硫硫化形成橡胶块、研磨成橡胶粉;称取SBS橡胶、K胶树脂、膨胀剂、发泡剂混合反应;S3、称取橡胶粉,加入混合料中混合均匀;S4、依次经过双螺杆造粒挤出机造粒、切粒、脱水、风干,最终获得HTRB高分子复合橡胶。本发明将橡胶研磨成橡胶粉,形成橡胶粉,然后制备成HTRB高分子复合橡胶,橡胶粉改变分子结构,增加止滑、耐磨、耐高温、弹性性能,制备而成的复合橡胶比重轻,100%回收循环使用,节能环保,产能提高30%,工序简单,外观美观不溢色。

Description

一种HTRB高分子复合橡胶及其制备方法
技术领域
本发明属于橡胶技术领域,具体涉及一种HTRB高分子复合橡胶及其制备方法。
背景技术
HTPR系以SBS/SEBS为基料研制成功的第四代高性能热塑性橡胶(Hi-Thermoplastic Rubber,简称HTPR)。它具有优异的机械强度,抗张强度及耐磨物性等可与橡胶媲美,同时具有与热塑性聚氨酯的耐撕裂性和抗裂纹传播性,在耐高温性能和长期耐温性能、耐候性等方面都比传统的热塑性橡胶TPR有较大的改善,又有优良的加工性能,能更容易地注塑射出成型加工,可广泛的使用于鞋底、汽车部件、手工、电工具把手、自行车把手、及电子工业制品等。
随着该类橡胶的广泛应用,现有技术中,废弃后的橡胶容易造成环境污染。因此,一种可以循环使用的HTRB高分子复合橡胶及其制备方法亟待提出。
发明内容
为解决现有技术存在的缺陷,本发明提供一种HTRB高分子复合橡胶及其制备方法。
为了解决上述技术问题,本发明提供了如下的技术方案:
本发明提供一种HTRB高分子复合橡胶,按照重量份由以下组分组成:50-60份SBS橡胶,11-16份K胶树脂,0.5-2.0份膨胀剂,0.5-2.0份发泡剂,10-20份橡胶粉。
作为本发明的一种优选技术方案,按照重量份由以下组分组成:50-60份SBS橡胶,11-16份K胶树脂,2-8份聚苯乙烯,2-8份丙烯,2-8份共轭二烯烃,0.5-2.0份膨胀剂,0.5-2.0份发泡剂,10-20份橡胶粉。
作为本发明的一种优选技术方案,所述橡胶粉按照重量份由以下组分组成:6-12份天然胶、3-6份顺丁橡胶、1-2份纳米钙。
作为本发明的一种优选技术方案,所述橡胶粉按照重量份由以下组分组成:6-12份天然胶、3-6份顺丁橡胶、0.5-1份纳米钙、0.5-1份黑磷烯量子点。
作为本发明的一种优选技术方案,本发明还提供一种HTRB高分子复合橡胶的制备方法,包括以下步骤:
S1、按照重量份称取6-12份天然胶、3-6份顺丁橡胶、1-2份纳米钙并搅拌均匀,然后依次进行密炼机密炼、挤片剂挤出、切片、加硫硫化形成橡胶块、研磨成橡胶粉;
S2、按照重量份称取50-60份SBS橡胶、11-16份K胶树脂、0.5-2.0份膨胀剂、0.5-2.0份发泡剂,混合反应获得混合料A;
S3、照重量份称取10-20份橡胶粉,并加入混合料A中,混合均匀获得混合料B;
S4、将混合料B依次经过双螺杆造粒挤出机造粒、切粒、脱水、风干,最终获得HTRB高分子复合橡胶。
作为本发明的一种优选技术方案,包括以下步骤:
S1、按照重量份称取6-12份天然胶、3-6份顺丁橡胶、0.5-1份纳米钙、0.5-1份黑磷烯量子点并搅拌均匀,然后依次进行密炼机密炼、挤片剂挤出、切片、加硫硫化形成橡胶块、研磨成橡胶粉;
S2、按照重量份称取50-60份SBS橡胶、11-16份K胶树脂、2-8份聚苯乙烯、2-8份丙烯、2-8份共轭二烯烃、0.5-2.0份膨胀剂、0.5-2.0份发泡剂,混合反应获得混合料A;
S3、照重量份称取10-20份橡胶粉,并加入混合料A中,混合均匀获得混合料B;
S4、将混合料B依次经过双螺杆造粒挤出机造粒、切粒、脱水、风干,最终获得HTRB高分子复合橡胶。
本发明相较于现有技术,具有以下有益效果:
本发明将橡胶研磨成橡胶粉,形成橡胶粉,然后制备成HTRB高分子复合橡胶,橡胶粉改变分子结构,增加止滑、耐磨、耐高温、弹性性能,制备而成的复合橡胶比重轻,100%回收循环使用,节能环保,产能提高30%,工序简单,外观美观不溢色。
具体实施方式
以下对本发明的优选实施例进行说明,应当理解,此处所描述的优选实施例仅用于说明和解释本发明,并不用于限定本发明。
实施例1
为了达到本发明的目的,在本发明的其中一种实施方式中提供一种HTRB高分子复合橡胶,按照重量份由以下组分组成:50份SBS橡胶,11份K胶树脂,0.5份膨胀剂,0.5份发泡剂,10份橡胶粉。
本实施方式还提供一种HTRB高分子复合橡胶的制备方法,包括以下步骤:
S1、按照重量份称取6份天然胶、3份顺丁橡胶、1份纳米钙并搅拌均匀,然后依次进行密炼机密炼、挤片剂挤出、切片、加硫硫化形成橡胶块、研磨成橡胶粉;
S2、按照重量份称取50份SBS橡胶、11份K胶树脂、0.50份膨胀剂、0.5份发泡剂,混合反应获得混合料A;S3、照重量份称取10份橡胶粉,并加入混合料A中,混合均匀获得混合料B;S4、将混合料B依次经过双螺杆造粒挤出机造粒、切粒、脱水、风干,最终获得HTRB高分子复合橡胶。
本发明将橡胶研磨成橡胶粉,形成橡胶粉,然后制备成HTRB高分子复合橡胶,橡胶粉改变分子结构,增加止滑、耐磨、耐高温、弹性性能,制备而成的复合橡胶比重轻,100%回收循环使用,节能环保,产能提高30%,工序简单,外观美观不溢色。
实施例2
为了进一步地优化本发明的实施效果,在本发明的另一种实施方式中,本实施例提供一种HTRB高分子复合橡胶,按照重量份由以下组分组成:55份SBS橡胶,12份K胶树脂,1.0份膨胀剂,1.0份发泡剂,20份橡胶粉。
本实施例还提供一种HTRB高分子复合橡胶的制备方法,包括以下步骤:
S1、按照重量份称取12份天然胶、6份顺丁橡胶、2份纳米钙并搅拌均匀,然后依次进行密炼机密炼、挤片剂挤出、切片、加硫硫化形成橡胶块、研磨成橡胶粉;S2、按照重量份称取55份SBS橡胶、12份K胶树脂、1.0份膨胀剂、1.0份发泡剂,混合反应获得混合料A;S3、照重量份称取20份橡胶粉,并加入混合料A中,混合均匀获得混合料B;S4、将混合料B依次经过双螺杆造粒挤出机造粒、切粒、脱水、风干,最终获得HTRB高分子复合橡胶。
实施例3
为了进一步地优化本发明的实施效果,在本发明的另一种实施方式中,本实施例提供一种HTRB高分子复合橡胶,按照重量份由以下组分组成:60份SBS橡胶,16份K胶树脂,8份聚苯乙烯,8份丙烯,8份共轭二烯烃,2.0份膨胀剂,2.0份发泡剂,20份橡胶粉。
本实施方式还提供一种HTRB高分子复合橡胶的制备方法,包括以下步骤:
S1、按照重量份称取12份天然胶、6份顺丁橡胶、1份纳米钙、1份黑磷烯量子点并搅拌均匀,然后依次进行密炼机密炼、挤片剂挤出、切片、加硫硫化形成橡胶块、研磨成橡胶粉;S2、按照重量份称取60份SBS橡胶、16份K胶树脂、8份聚苯乙烯、8份丙烯、8份共轭二烯烃、2.0份膨胀剂、2.0份发泡剂,混合反应获得混合料A;S3、照重量份称取20份橡胶粉,并加入混合料A中,混合均匀获得混合料B;S4、混合料B依次经过双螺杆造粒挤出机造粒、切粒、脱水、风干,最终获得HTRB高分子复合橡胶。
实施例4
为了进一步地优化本发明的实施效果,在本发明的另一种实施方式中,本实施例提供一种HTRB高分子复合橡胶,按照重量份由以下组分组成:52份SBS橡胶,14份K胶树脂,4份聚苯乙烯,4份丙烯,4份共轭二烯烃,1.2份膨胀剂,1.2份发泡剂,10份橡胶粉。
本实施方式还提供一种HTRB高分子复合橡胶的制备方法,包括以下步骤:
S1、按照重量份称取6份天然胶、3份顺丁橡胶、0.5份纳米钙、0.5份黑磷烯量子点并搅拌均匀,然后依次进行密炼机密炼、挤片剂挤出、切片、加硫硫化形成橡胶块、研磨成橡胶粉;S2、按照重量份称取52份SBS橡胶、14份K胶树脂、4份聚苯乙烯、4份丙烯、4份共轭二烯烃、1.2份膨胀剂、1.2份发泡剂,混合反应获得混合料A;
S3、照重量份称取10份橡胶粉,并加入混合料A中,混合均匀获得混合料B;
S4、将混合料B依次经过双螺杆造粒挤出机造粒、切粒、脱水、风干,最终获得HTRB高分子复合橡胶。
本实施方式制备的HTRB高分子复合橡胶中增加黑磷烯量子点,进一步提高材料的耐磨性能。
下面将根据实施方式1-4制备的样品进行以下测试:
拉伸试验:测试样条(1mm×25mm×150mm)在拉伸率为100%下,静置24小时,解除拉伸力后测量与原长度相比的变形率。
(Lt-L0)/L0=拉伸形变率(Lt为拉伸后的样条长度,L0为原始样条长度)
压缩实验:测试样条使用哑铃刀(圆形13mm直径)冲出测试样板,三片2mm样板叠加,两组试样放入压缩变形测试装置内,保持一定的外加压力进行压缩实验。解除外加压力后测量与原厚度相比的变形率。
(Tt-T0)/T0=压缩形变率(Tt为压缩后的样条厚度,T0为原始样条厚度)
摩擦实验:测试样品套在转轮上,转轮带动测试样品在水泥平面上转动24小时,查看测试样品的磨损程度。
力学性能(ASTM标准):
Figure BDA0002806569790000071
Figure BDA0002806569790000081
由上可以得出,采用本发明的材料和工艺方法制备的产品,其抗拉伸和压缩变形的能力、耐磨性能有明显的提高。
最后应说明的是: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,尽管参照前述实施例对本发明进行了详细的说明,对于本领域的技术人员来说,其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换。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 (6)

1.一种HTRB高分子复合橡胶,其特征在于,按照重量份由以下组分组成:50-60份SBS橡胶,11-16份K胶树脂,0.5-2.0份膨胀剂,0.5-2.0份发泡剂,10-20份橡胶粉。
2.根据权利要求1所述的HTRB高分子复合橡胶,其特征在于,按照重量份由以下组分组成:50-60份SBS橡胶,11-16份K胶树脂,2-8份聚苯乙烯,2-8份丙烯,2-8份共轭二烯烃,0.5-2.0份膨胀剂,0.5-2.0份发泡剂,10-20份橡胶粉。
3.根据权利要求1所述的HTRB高分子复合橡胶,其特征在于,所述橡胶粉按照重量份由以下组分组成:6-12份天然胶、3-6份顺丁橡胶、1-2份纳米钙。
4.根据权利要求1所述的HTRB高分子复合橡胶,其特征在于,按照重量份由以下组分组成:所述橡胶粉按照重量份由以下组分组成:6-12份天然胶、3-6份顺丁橡胶、0.5-1份纳米钙、0.5-1份黑磷烯量子点。
5.一种如权利要求1-4任一所述的HTRB高分子复合橡胶的制备方法,其特征在于,包括以下步骤:
S1、按照重量份称取6-12份天然胶、3-6份顺丁橡胶、1-2份纳米钙并搅拌均匀,然后依次进行密炼机密炼、挤片剂挤出、切片、加硫硫化形成橡胶块、研磨成橡胶粉;
S2、按照重量份称取50-60份SBS橡胶、11-16份K胶树脂、0.5-2.0份膨胀剂、0.5-2.0份发泡剂,混合反应获得混合料A;
S3、照重量份称取10-20份橡胶粉,并加入混合料A中,混合均匀获得混合料B;
S4、将混合料B依次经过双螺杆造粒挤出机造粒、切粒、脱水、风干,最终获得HTRB高分子复合橡胶。
6.一种如权利要求1-4任一所述的HTRB高分子复合橡胶的制备方法,其特征在于,包括以下步骤:
S1、按照重量份称取6-12份天然胶、3-6份顺丁橡胶、0.5-1份纳米钙、0.5-1份黑磷烯量子点并搅拌均匀,然后依次进行密炼机密炼、挤片剂挤出、切片、加硫硫化形成橡胶块、研磨成橡胶粉;
S2、按照重量份称取50-60份SBS橡胶、11-16份K胶树脂、2-8份聚苯乙烯、2-8份丙烯、2-8份共轭二烯烃、0.5-2.0份膨胀剂、0.5-2.0份发泡剂,混合反应获得混合料A;
S3、照重量份称取10-20份橡胶粉,并加入混合料A中,混合均匀获得混合料B;
S4、将混合料B依次经过双螺杆造粒挤出机造粒、切粒、脱水、风干,最终获得HTRB高分子复合橡胶。
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