CN105754196A - 一种高密度双壁波纹管 - Google Patents
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Abstract
本发明公开了一种高密度双壁波纹管,涉及波纹管生产技术领域,包括内壁,外壁以及通过树脂粘结于所述内壁和所述外壁之间的粘结层,所述内壁的组分按质量百分比包括:聚乙烯70~77%,吸水母粒12~15%,碳酸钙3.5~6%,抗氧剂4~7%,石墨烯1~3%,增强剂0.5~1%;所述外壁的组分按质量百分比包括:聚乙烯65~72%,玻璃纤维10~13%或者尼龙12~16%,硬脂酸钙5~8%,丁苯橡胶3~6%,炭黑母粒3~4%,滑石粉2.5~3.5%和抗静电粒0.5~1%,其中所述滑石粉由碳酸铝、碳酸钙和硫酸钡混合而成,通过以上技术方案,能够提升产品的硬度、韧性,降低成本,提高产品质量。
Description
技术领域
本发明涉及管道技术领域,尤其涉及一种高密度双壁波纹管。
背景技术
双壁波纹管因其重量轻、寿命长的优点,受到了市场的热捧,逐渐替代金属管等,在国内外得到广泛的应用,尤其在市政排水、排污管道中应用尤为广泛。
现有技术中的双壁波纹管通常以聚乙烯为原料进行生产,在使用过程中添加其他组分以满足需求,例如CN103542192A公开了一种双壁波纹管,具有优异的化学稳定性,耐老化等优点,然其不足之处在于韧性较差,硬度不足,成本较高,市场竞争力不足。
发明内容
为了解决上述技术问题,本发明提供了一种高密度双壁波纹管,以提升产品的质量。
本发明的技术方案如下:
一种高密度双壁波纹管,包括内壁,外壁以及通过树脂粘结于所述内壁和所述外壁之间的粘结层,所述内壁的组分按质量百分比包括:聚乙烯70~77%,吸水母粒12~15%,碳酸钙3.5~6%,抗氧剂4~7%,石墨烯1~3%,增强剂0.5~1%;所述外壁的组分按质量百分比包括:聚乙烯65~72%,玻璃纤维10~13%或者尼龙12~16%,硬脂酸钙5~8%,丁苯橡胶3~6%,炭黑母粒3~4%,滑石粉2.5~3.5%和抗静电粒0.5~1%,其中所述滑石粉由碳酸铝、碳酸钙和硫酸钡混合而成。
作为优选,所述滑石粉由碳酸铝、碳酸钙和硫酸钡按照1:1.25~1.5:1.70~1.85的比例混合而成。
作为优选,所述抗氧剂为β-(3,5-二叔丁基-4-羟基苯基)丙酸正十八碳醇酯。
进一步地,所述内壁的组分按质量百分比包括:聚乙烯73~75%,吸水母粒13.5~14.5%,碳酸钙3.5~4.5%,抗氧剂4.3~5.3%,石墨烯1.25~2.10%,增强剂0.5~1%,可以采用硬脂酸或者石蜡;所述外壁的组分按质量百分比包括:聚乙烯65~68%,玻璃纤维10.5~11.8%或者尼龙12.3~14.8%,硬脂酸钙6.1~7.5%,丁苯橡胶4.5~6%,炭黑母粒3.5~4%,滑石粉2.8~3.2%和抗静电粒0.5~0.8%。
作为优选,所述滑石粉由碳酸铝、碳酸钙和硫酸钡按照1:1.45:1.77的比例混合而成。
作为优选,聚乙烯74.5%,吸水母粒14.2%,碳酸钙4.1~4.2%,抗氧剂4.5~4.8%,石墨烯1.95~2.10%,增强剂0.88~1%;所述外壁的组分按质量百分比包括:聚乙烯66.5~67.9%,玻璃纤维11.3~11.8%或者尼龙13.5~13.9%,硬脂酸钙6.3~6.8%,丁苯橡胶4.8~5.1%,炭黑母粒3.5~3.7%,滑石粉2.8~3.2%和抗静电粒0.5~0.8%。
有益效果:本发明中的内壁中的聚乙烯含量相比于外壁的聚乙烯含量高,其能够提供非常大的过流量,而且稳定性强,耐酸碱腐蚀度更高,而在外壁中的聚乙烯含量稍低可以降低成本;所述碳酸钙不仅具有易干燥的优点,而且具有环保特性;所述抗氧剂能够提升管道内的流体的稳定性和贮存期;所述石墨烯能够为波纹管提供一定的预应力,提升其柔韧性和抗疲劳性;所述增强剂能够进一步提升其柔韧性,同时减轻重量;外壁中的玻璃纤维或者尼龙能够大幅度提升其强度,同时通过采用不同比例的玻璃纤维或者尼龙,能够满足不同强度的使用需求;所述硬脂酸钙能够使所述外壁具有耐高温性,同时在增加丁苯橡胶和炭黑母粒的情形下,能够保证内部的密实度,防止出现结块;所述丁苯橡胶能够增加表面的耐磨性,进一步提升抗拉强度,所述抗静电粒能够增加外壁的光泽度。
本发明通过对内壁和外壁采用不同的配方,能够大幅度降低成本,提升硬度、柔韧性,通过以上技术方案,能够提升产品的质量。
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作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。
实施例1
第一种高密度双壁波纹管,包括内壁,外壁以及通过树脂粘结于所述内壁和所述外壁之间的粘结层,所述内壁的组分按质量百分比包括:聚乙烯70%,吸水母粒15%,碳酸钙5%,抗氧剂6%,石墨烯3%,增强剂1%。
所述外壁的组分按质量百分比包括:聚乙烯72%,玻璃纤维10%,硬脂酸钙8%,丁苯橡胶3%,炭黑母粒4%,抗静电粒0.5%,以及滑石粉2.5%,其中所述滑石粉由碳酸铝、碳酸钙和硫酸钡混合而成,组分比例为1:1.25:1.75。
实施例2
第二种高密度双壁波纹管,包括内壁,外壁以及通过树脂粘结于所述内壁和所述外壁之间的粘结层,所述内壁的组分按质量百分比包括:聚乙烯77%,吸水母粒12%,碳酸钙4.5%,抗氧剂4%,石墨烯2%,增强剂0.5%。
所述外壁的组分按质量百分比包括:聚乙烯65%,尼龙15%,硬脂酸钙5.5%,丁苯橡胶6%,炭黑母粒4%,抗静电粒1%,以及滑石粉3.5%,其中所述滑石粉由碳酸铝、碳酸钙和硫酸钡混合而成,组分比例为1:1.5:1.80。
实施例3
第三种高密度双壁波纹管,包括内壁,外壁以及通过树脂粘结于所述内壁和所述外壁之间的粘结层,所述内壁的组分按质量百分比包括:聚乙烯73%,吸水母粒14.5%,碳酸钙4.5%,抗氧剂5.3%,石墨烯2.1%,增强剂0.6%。
所述外壁的组分按质量百分比包括:聚乙烯68%,玻璃纤维11.8%,硬脂酸钙7.5%,丁苯橡胶6%,炭黑母粒3.5%,抗静电粒0.5%,以及滑石粉2.7%,其中所述滑石粉由碳酸铝、碳酸钙和硫酸钡混合而成,组分比例为1:1.35:1.85。
实施例4
第四种高密度双壁波纹管,包括内壁,外壁以及通过树脂粘结于所述内壁和所述外壁之间的粘结层,所述内壁的组分按质量百分比包括:聚乙烯75%,吸水母粒14%,碳酸钙4.1%,抗氧剂4.3%,石墨烯1.7%,增强剂0.9%。
所述外壁的组分按质量百分比包括:聚乙烯67%,尼龙14.8%,硬脂酸钙6.1%,丁苯橡胶4.5%,炭黑母粒4%,抗静电粒0.8%,以及滑石粉2.8%,其中所述滑石粉由碳酸铝、碳酸钙和硫酸钡混合而成,组分比例为1:1.35:1.78。
实施例5
第三种高密度双壁波纹管,包括内壁,外壁以及通过树脂粘结于所述内壁和所述外壁之间的粘结层,所述内壁的组分按质量百分比包括:聚乙烯74.5%,吸水母粒14.2%,碳酸钙4.15%,抗氧剂4.8%,石墨烯2%,增强剂0.5%。
所述外壁的组分按质量百分比包括:聚乙烯67.2%,尼龙13.6%,硬脂酸钙6.8%,丁苯橡胶5.0%,炭黑母粒3.6%,抗静电粒0.7%,以及滑石粉3.1%,其中所述滑石粉由碳酸铝、碳酸钙和硫酸钡混合而成,组分比例为1:1.45:1.77。
通过以上技术方案,相比于现有技术中的双壁波纹管,本发明各实施例中的性能指标如下表所示:
以上所述的仅是本发明的优选实施方式,应当指出,对于本领域的普通技术人员来说,在不脱离本发明创造构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。
Claims (6)
1.一种高密度双壁波纹管,包括内壁,外壁以及通过树脂粘结于所述内壁和所述外壁之间的粘结层,其特征在于,所述内壁的组分按质量百分比包括:聚乙烯70~77%,吸水母粒12~15%,碳酸钙3.5~6%,抗氧剂4~7%,石墨烯1~3%,增强剂0.5~1%;所述外壁的组分按质量百分比包括:聚乙烯65~72%,玻璃纤维10~13%或者尼龙12~16%,硬脂酸钙5~8%,丁苯橡胶3~6%,炭黑母粒3~4%,滑石粉2.5~3.5%和抗静电粒0.5~1%,其中所述滑石粉由碳酸铝、碳酸钙和硫酸钡混合而成。
2.根据权利要求1所述的一种高密度双壁波纹管,其特征在于,所述滑石粉由碳酸铝、碳酸钙和硫酸钡按照1:1.25~1.5:1.70~1.85的比例混合而成。
3.根据权利要求1所述的一种高密度双壁波纹管,其特征在于,所述抗氧剂为β-(3,5-二叔丁基-4-羟基苯基)丙酸正十八碳醇酯。
4.根据权利要求1至3任一项所述的一种高密度双壁波纹管,其特征在于,所述内壁的组分按质量百分比包括:聚乙烯73~75%,吸水母粒13.5~14.5%,碳酸钙3.5~4.5%,抗氧剂4.3~5.3%,石墨烯1.25~2.10%,增强剂0.5~1%;所述外壁的组分按质量百分比包括:聚乙烯65~68%,玻璃纤维10.5~11.8%或者尼龙12.3~14.8%,硬脂酸钙6.1~7.5%,丁苯橡胶4.5~6%,炭黑母粒3.5~4%,滑石粉2.8~3.2%和抗静电粒0.5~0.8%。
5.根据权利要求2所述的一种高密度双壁波纹管,其特征在于,所述滑石粉由碳酸铝、碳酸钙和硫酸钡按照1:1.45:1.77的比例混合而成。
6.根据权利要求4所述的一种高密度双壁波纹管,其特征在于,聚乙烯74.5%,吸水母粒14.2%,碳酸钙4.1~4.2%,抗氧剂4.5~4.8%,石墨烯1.95~2.10%,增强剂0.88~1%;所述外壁的组分按质量百分比包括:聚乙烯66.5~67.9%,玻璃纤维11.3~11.8%或者尼龙13.5~13.8%,硬脂酸钙6.3~6.8%,丁苯橡胶4.8~5.1%,炭黑母粒3.5~3.7%,滑石粉2.8~3.2%和抗静电粒0.5~0.8%。
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CN111350889A (zh) * | 2020-03-13 | 2020-06-30 | 上海问浪科技有限公司 | 一种天然气输送用抗腐波纹管 |
CN113817247A (zh) * | 2021-09-02 | 2021-12-21 | 山东联塑科技实业有限公司 | 一种新型玻纤增强复合双壁波纹管及其制备方法和应用 |
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CN113817247A (zh) * | 2021-09-02 | 2021-12-21 | 山东联塑科技实业有限公司 | 一种新型玻纤增强复合双壁波纹管及其制备方法和应用 |
CN114133652A (zh) * | 2021-12-06 | 2022-03-04 | 广东联塑科技实业有限公司 | 一种多功能hdpe多层复合波纹管及其制备方法 |
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