CN110734610A - 微发泡玻璃呢槽胶料及其制备方法和车辆密封条及其制备方法 - Google Patents
微发泡玻璃呢槽胶料及其制备方法和车辆密封条及其制备方法 Download PDFInfo
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Abstract
本发明提供了一种微发泡玻璃呢槽胶料及其制备方法和车辆密封条及其制备方法,本发明的微发泡玻璃呢槽胶料包括如下重量份的原料:三元乙丙橡胶K13561C:57.5‑80.5份;三元乙丙橡胶4045M:30‑50份;活性氧化锌:5‑7份;硬脂酸:1.0‑2.0份;分散剂:0.5‑2.5份;聚乙二醇PEG‑4000:1.0‑2.0份;TPO:5‑10份;改性高岭土Z86:20‑60份;石蜡油R‑2291:50‑70份;炭黑N550:100‑120份;炭黑N774:55‑75份;硫磺S‑80:0.7‑1.7份;吸湿剂GR:5‑9份;促进剂:2.1‑4.1份;发泡剂:2.0‑3.0份;且所述发泡剂由化学发泡剂OBSH‑75、发泡助剂K4‑p和物理发泡剂EWE‑60GE复配而成。本发明微发泡玻璃呢槽胶料的原料构成可降低产品密度,而能够实现轻量化目的。
Description
技术领域
本发明涉及密封条制备技术领域,特别涉及一种微发泡玻璃呢槽胶料,本发明同时也涉及有该胶料的制备方法,以及一种采用该胶料的车门密封条和该车辆密封条的制备方法。
背景技术
汽车一体式玻璃呢槽密封条主要是起到导向、密封、防尘、防水和装饰等作用,其是保证车门与玻璃准确定位、以及对玻璃升降进行导向的关键部件。玻璃呢槽密封条安装于汽车车门导轨中,在汽车车门关闭状态下,玻璃呢槽密封条通过与玻璃的配合起到密封作用,可防止外部的风、雨及尘土等侵入车内,同时其也可减少汽车行驶过程中玻璃的振动,而提升车门的使用感受。
现有的玻璃呢槽密封条多是由内嵌芯材的密实硬胶,以及用于构成密封唇边或部分包覆密实硬胶外侧面的密实软胶构成,且为保证较好的耐久性能,一般也对密封条上的密封唇边进行植绒或喷涂等表面处理,以起到耐磨的作用。不过,现有玻璃呢槽密封条中的密实硬胶部分的密度均在1.30g/cm3左右,该密度值较大使得整体密封条重量大,不利于轻量化,与此同时,现有密实硬胶部分的胶料硬度一般为85A左右,由于硬度较高需要填充大量炭黑来补强,其使得密封条表面发亮,而影响外观质量,使得密封条产品精致感不足。
发明内容
有鉴于此,本发明旨在提出一种微发泡玻璃呢槽胶料,以可降低胶料密度,而利于实现轻量化。
为达到上述目的,本发明的技术方案是这样实现的:
一种微发泡玻璃呢槽胶料,该胶料包括如下重量份的原料:三元乙丙橡胶K13561C:57.5-80.5份;三元乙丙橡胶4045M:30-50份;活性氧化锌:5-7份;硬脂酸:1.0-2.0份;分散剂:0.5-2.5份;聚乙二醇PEG-4000:1.0-2.0份;TPO:5-10份;改性高岭土Z86:20-60份;石蜡油R-2291:50-70份;炭黑N550:100-120份;炭黑N774:55-75份;硫磺S-80:0.7-1.7份;吸湿剂GR:5-9份;促进剂:2.1-4.1份;发泡剂:2.0-3.0份;且所述发泡剂由化学发泡剂OBSH-75、发泡助剂K4-p和物理发泡剂EWE-60GE复配而成。
进一步的,所述化学发泡剂OBSH-75、所述发泡助剂K4-p和所述物理发泡剂EWE-60GE按质量比0.5:0.3:1.8进行复配。
进一步的,所述促进剂包括:促进剂DTDM-80:0.9-1.5份;促进剂DM-75:0.4-1.0份;促进剂ETU-75:0.4-0.8份;促进剂TMTD-75:0.4-0.8份。
进一步的,所述活性氧化锌采用S-70,所述硬脂酸采用SA-1801,所述分散剂采用42M,所述TPO采用HS-860。
相对于现有技术,本发明具有以下优势:
本发明通过使用高分子量充油EPDM并用低门尼粘度生胶,可在保证产品硬度的前提下,使产品具有良好的材料力学性能和流动性,以具备良好的炼胶加工性和挤出稳定性,并且本发明中采用复合发泡剂,可实现挤出硫化过程中在不同硫化炉内的协同发泡,以降低产品密度实现降重目的,而通过采用TPO改性,也能够提高材料力学性能,并可提高材料刚性,以能够在产品密度降低的同时,也保证产品的装车性能。
此外,本发明通过物理发泡剂与改性高岭土Z86这一片状结构改性填料的结合,可使得制成的产品表面相较于现有产品粗糙度大,在光照条件下可发生漫反射而产生哑光效果,由此也可提升产品品位。
本发明同时提出了如上所述的微发泡玻璃呢槽胶料的制备方法,该制备方法包括按重量份数称取原料,将三元乙丙橡胶K13561C、三元乙丙橡胶4045M、活性氧化锌、硬脂酸、聚乙二醇PGE-4000、分散剂投料至密炼机中密炼0.8-1.2min、转子转速40rpm,再加入炭黑N550、炭黑N774、石蜡油R-2991、TPO、改性高岭土Z86密炼3-4min、120℃排气,到150℃排胶,接着在开炼机混炼降温至90℃以下,加入硫磺S-80、吸湿剂GR、促进剂、发泡剂,吃料完毕后,传送至捣炼机捣炼2-3min,然后在滤胶机进行过滤,并通过滤胶口金出条,最后经冷却线冷却得到微发泡玻璃呢槽胶料。
进一步的,所述捣炼机采用自动捣炼机,所述滤胶机采用齿轮泵滤胶机。
本发明的另一目的在于提出一种车辆密封条,其包括采用如上所述的微发泡玻璃呢槽胶料的密封条主体,以及固连于所述密封条主体的外侧面和/或部分包覆于所述密封条主体外侧面上的采用密实软胶或海绵胶的唇边结构,且于所述密封条主体上构造有安装槽口,环所述安装槽口于所述密封条主体内嵌设有芯材。
此外,本发明亦提出了上述车辆密封条的制备方法,该制备方法包括采用挤出机挤出密封条半成品,再经微波硫化和热风硫化处理,然后进行表面处理、冷却、固化及裁断得到密封条成品;其中,所述微波硫化采用两段微波硫化炉,微波功率分别为7.0±0.5KW/3.0±0.5KW,硫化温度分别为260±10℃/250±10℃,所述热风硫化采用三段热风硫化炉,硫化温度分别为250±10℃/250±10℃/240±10℃。
进一步的,所述表面处理采用喷涂处理,所述固化为使喷涂料经过三段热风固化炉进行固化。
进一步的,所述冷却采用冷却水箱和风冷进行冷却。
本发明的车辆密封条通过采用上述的微发泡玻璃呢槽胶料,可在保证密封条产品力学性能的基础上,使密封条密度降低,而有利于实现密封条产品的轻量化。
附图说明
构成本发明的一部分的附图用来提供对本发明的进一步理解,本发明的示意性实施例及其说明用于解释本发明,并不构成对本发明的不当限定。在附图中:
图1为本发明实施例二所述的车辆密封条的结构示意图;
附图标记说明:
1-密封条主体,2-唇边结构,3-安装槽口,4-芯材。
具体实施方式
需要说明的是,在不冲突的情况下,本发明中的实施例及实施例中的特征可以相互组合。
下面将参考附图并结合实施例来详细说明本发明。
实施例一
本实施例涉及微发泡玻璃呢槽胶料及其制备。
本实施例的微发泡玻璃呢槽胶料包括如下重量份的原料:三元乙丙橡胶K13561C:57.5-80.5份;三元乙丙橡胶4045M:30-50份;活性氧化锌:5-7份;硬脂酸:1.0-2.0份;分散剂:0.5-2.5份;聚乙二醇PEG-4000:1.0-2.0份;TPO:5-10份;改性高岭土Z86:20-60份;石蜡油R-2291:50-70份;炭黑N550:100-120份;炭黑N774:55-75份;硫磺S-80:0.7-1.7份;吸湿剂GR:5-9份;促进剂:2.1-4.1份;发泡剂:2.0-3.0份;且所述发泡剂由化学发泡剂OBSH-75、发泡助剂K4-p和物理发泡剂EWE-60GE复配而成。
其中,作为优选的实施形式,上述化学发泡剂OBSH-75、所述发泡助剂K4-p和所述物理发泡剂EWE-60GE为按质量比0.5:0.3:1.8进行复配。所述的促进剂包括有促进剂DTDM-80、促进剂DM-75、促进剂ETU-75以及促进剂TMTD-75,并且具体的,促进剂DTDM-80为0.9-1.5份,促进剂DM-75为0.4-1.0份,促进剂ETU-75为0.4-0.8份,促进剂TMTD-75为0.4-0.8份。
此外,本实施例中上述活性氧化锌优选可采用S-70,硬脂酸优选可采用SA-1801,分散剂与TPO则优选的分别可采用42M与HS-860。
本实施例的上述胶料构成原料中,并用高分子量高门尼充油EPDM和低门尼粘度生胶,高分子量高门尼充油生胶,可提高材料填充率以及保证材料物理性能的达成,低门尼粘度生胶,能够调节整体配方门尼使之在合理范围内,以可获得良好的炼胶加工性及挤出稳定性,从而有利于胶料的制备与后续加工。
本实施例使用活性氧化锌和硬脂酸作为活性剂,可提高胶料的硫化速度和活性。而选用高结构度低补强炭黑N774和快压出中等补强炭黑N550,两者并用使得高结构度炭黑可保证产品具有良好的弹性,而粒子较细的炭黑则有利于提高硬度,并且还可吸收微波而保证发孔质量,以此也能够降低产品的密度。
本实施例中采用高闪点石蜡油R-2991作为增塑剂,可改善胶料混炼加工性,且由于高闪点石蜡油R-2991的闪点可达到260℃以上,从而在挤出硫化过程中可避免低分子物质的析出和产生,进而能够大大减少生产过程中油烟及有害物质的产生。
本实施例的发泡剂采用三种发泡剂复合而成,通过采用化学发泡剂和物理发泡剂并用,可实现在挤出硫化过程中在不同硫化炉中的协同发泡,以此使得产品截面泡孔更均匀,提高产品的断面稳定性,且同时其也能够降低产品的密度,而实现产品降重目的。
本实施例采用TPO作为改性剂,TPO是在聚烯烃反应器中直接合成的一种烯烃类热塑性弹性体,由橡胶和聚烯烃构成,是PP+EPDM物理共混或者板硫化后得到的聚合物。一般,聚丙烯中橡胶含量在10%~22%时的共聚聚丙烯被称作抗冲共聚物,而当橡胶含量超过22%时,产品已经具有了真正的弹性性质,这种共聚聚丙烯即称为反应型TPO,也即嵌段TPO。本实施例的改性剂TPO具体即采用嵌段TPO,其物理性能、加工性能和多功能性能都大大增强,且从特殊力学性质看,其与传统的TPO相比也有着更高的拉伸强度、撕裂强度及伸长率,从而可在提升产品刚性及降低产品密度的前提下,也能够很好的提升胶料产品的性能,而保证产品装车性能。
本实施例通过使用改性高岭土Z86、也即硅土Z86,其是微粒状石英和片状高岭土组成的无机矿物,这两种不同形状的矿物天然结合形成的一种松散的粒片叠层镶嵌结构,该天然松散的粒片混合结构不会被一般的物理和机械方式分离,而使得其被添加在其他物品中时有更优异的分散性和流动性。因而利用硅土Z86作为填料不仅可起到填充增量作用,亦可起到独特的补强效果,以能够大大提高胶料产品的性能,同时改性高岭土Z86和上述物理发泡剂的并用相结合,还可使得制成的产品表面相较于现有胶料产品粗糙度大,在光照条件下能够发生漫反射而产生哑光效果,进而由此可提升产品的品位。
综上,通过采用本实施例的胶料配方,不仅可保证制成产品的性能,同时也能够降低产品的密度,而使产品减重,以此可有利于实现胶料的轻量化。
本实施例的微发泡玻璃呢槽胶料的制备方法具体包括如下的过程:首先按重量份数称取原料,然后将三元乙丙橡胶K13561C、三元乙丙橡胶4045M、活性氧化锌、硬脂酸、聚乙二醇PGE-4000、分散剂投料至密炼机中密炼0.8-1.2min、转子转速40rpm,再加入炭黑N550、炭黑N774、石蜡油R-2991、TPO、改性高岭土Z86密炼3-4min、120℃排气,到150℃排胶。接着,在开炼机混炼降温至90℃以下,加入硫磺S-80、吸湿剂GR、促进剂、发泡剂,吃料完毕后,传送至捣炼机捣炼2-3min。然后在滤胶机进行过滤,并通过滤胶口金出条,最后再经冷却线冷却即得到微发泡玻璃呢槽胶料。
其中,优选的以上捣炼机可采用自动捣炼机,而滤胶机则具体可采用齿轮泵滤胶机。
而且本实施例的胶料制备方法相较于传统工艺可提高生产效率,且该工艺生产设备占用空间更小,从而能够获得更低的综合成本。
下面将以若干具体制备实例对本实施例的微发泡玻璃呢槽胶料的制备做进一步说明。
制备实例1
本实例的微发泡玻璃呢槽胶料包括如下重量份的原料:三元乙丙橡胶K13561C:69份;三元乙丙橡胶4045M:40份;活性氧化锌S-70:6份;硬脂酸SA-1801:1.5份;分散剂42M:1.5份;聚乙二醇PEG-4000:1.5份;TPO(HS-860):5份;改性高岭土Z86:30份;石蜡油R-2291:60份;炭黑N550:110份;炭黑N774:65份;硫磺S-80:1.2份;吸湿剂GR:7份;促进剂DTDM-80为1.2份,促进剂DM-75为0.7份,促进剂ETU-75为0.6份,促进剂TMTD-75为0.6份;以及由化学发泡剂OBSH-75、发泡助剂K4-p和物理发泡剂EWE-60GE按质量比0.5:0.3:1.8复配而成的发泡剂:2.5份。
本实例的微发泡玻璃呢槽胶料制备时,采用普通硫化体系,且首先按重量份数称取原料,然后将三元乙丙橡胶K13561C、三元乙丙橡胶4045M、活性氧化锌、硬脂酸、聚乙二醇PGE-4000、分散剂投料至密炼机中密炼1min、转子转速40rpm,再加入炭黑N550、炭黑N774、石蜡油R-2991、TPO、改性高岭土Z86密炼3.5min、120℃排气,到150℃排胶。接着,在开炼机混炼降温至90℃以下,加入硫磺S-80、吸湿剂GR、促进剂、发泡剂,吃料完毕后,传送至捣炼机捣炼2.5min。然后在滤胶机进行过滤,并通过滤胶口金出条,最后再经冷却线冷却即得到微发泡玻璃呢槽胶料。
制备实例2
本实例的微发泡玻璃呢槽胶料包括如下重量份的原料:三元乙丙橡胶K13561C:69份;三元乙丙橡胶4045M:40份;活性氧化锌S-70:6份;硬脂酸SA-1801:1.5份;分散剂42M:1.5份;聚乙二醇PEG-4000:1.5份;TPO(HS-860):5份;改性高岭土Z86:40份;石蜡油R-2291:60份;炭黑N550:110份;炭黑N774:65份;硫磺S-80:1.2份;吸湿剂GR:7份;促进剂DTDM-80为1.2份,促进剂DM-75为0.7份,促进剂ETU-75为0.6份,促进剂TMTD-75为0.6份;以及由化学发泡剂OBSH-75、发泡助剂K4-p和物理发泡剂EWE-60GE按质量比0.5:0.3:1.8复配而成的发泡剂:2.0份。
本实例的微发泡玻璃呢槽胶料制备时,采用普通硫化体系,且首先按重量份数称取原料,然后将三元乙丙橡胶K13561C、三元乙丙橡胶4045M、活性氧化锌、硬脂酸、聚乙二醇PGE-4000、分散剂投料至密炼机中密炼1min、转子转速40rpm,再加入炭黑N550、炭黑N774、石蜡油R-2991、TPO、改性高岭土Z86密炼3min、120℃排气,到150℃排胶。接着,在开炼机混炼降温至90℃以下,加入硫磺S-80、吸湿剂GR、促进剂、发泡剂,吃料完毕后,传送至捣炼机捣炼2min。然后在滤胶机进行过滤,并通过滤胶口金出条,最后再经冷却线冷却即得到微发泡玻璃呢槽胶料。
制备实例3
本实例的微发泡玻璃呢槽胶料包括如下重量份的原料:三元乙丙橡胶K13561C:69份;三元乙丙橡胶4045M:40份;活性氧化锌S-70:6份;硬脂酸SA-1801:1.5份;分散剂42M:1.5份;聚乙二醇PEG-4000:1.5份;TPO(HS-860):5份;改性高岭土Z86:50份;石蜡油R-2291:60份;炭黑N550:110份;炭黑N774:65份;硫磺S-80:1.2份;吸湿剂GR:7份;促进剂DTDM-80为1.2份,促进剂DM-75为0.7份,促进剂ETU-75为0.6份,促进剂TMTD-75为0.6份;以及由化学发泡剂OBSH-75、发泡助剂K4-p和物理发泡剂EWE-60GE按质量比0.5:0.3:1.8复配而成的发泡剂:3份。
本实例的微发泡玻璃呢槽胶料制备时,采用普通硫化体系,且首先按重量份数称取原料,然后将三元乙丙橡胶K13561C、三元乙丙橡胶4045M、活性氧化锌、硬脂酸、聚乙二醇PGE-4000、分散剂投料至密炼机中密炼1min、转子转速40rpm,再加入炭黑N550、炭黑N774、石蜡油R-2991、TPO、改性高岭土Z86密炼4min、120℃排气,到150℃排胶。接着,在开炼机混炼降温至90℃以下,加入硫磺S-80、吸湿剂GR、促进剂、发泡剂,吃料完毕后,传送至捣炼机捣炼3min。然后在滤胶机进行过滤,并通过滤胶口金出条,最后再经冷却线冷却即得到微发泡玻璃呢槽胶料。
对以上制备实例所制备的微发泡玻璃呢槽胶料进行性能测试,测试结果如下表所示:
制备实例1 | 制备实例2 | 制备实例3 | |
一段胶门尼 | 83 | 85 | 87 |
T5 min | 5.8 | 5.6 | 5.5 |
LM | 70 | 72 | 74 |
硬度邵尔A | 80 | 82 | 78 |
密度g/cm<sup>3</sup> | 1.11 | 1.15 | 1.08 |
拉伸强度/Mpa | 6.81 | 7.02 | 6.63 |
由上表可以看出,采用本实施例的胶料配方及其制备方法所制备的胶料产品,其密度在(1.10±0.05)g/cm3,相较于现有密实胶料1.30g/cm3左右的密度,减重约15%,从而能够实现胶料产品的轻量化。同时,经对本实施例制备的胶料产品进行观察,且与现有密实胶制备的产品进行比对,发现本实施例胶料产品光照下具有哑光效果,进而也能够改善现有产品表面发亮的问题,而可提升产品精致感知。
实施例二
本实施例涉及采用实施例一微发泡玻璃呢槽胶料的车门密封条及其制备。
如图1所示的,本实施例的车辆密封条,其具体包括采用实施例一的微发泡玻璃呢槽胶料的密封条主体100,以及固连于该密封条主体100的外侧面和部分包覆于密封条主体100外侧面上的采用密实软胶或海绵胶的唇边结构200,且于密封条主体(100)上构造有安装槽口300,并环该安装槽口300在密封条主体100内也嵌设有芯材400。
其中,密封条主体100作为密封条整体的骨架支撑结构,唇边结构200则主要起到密封作用。而上述用于制成唇边结构200的密实软胶一般是密度为(0.8±0.05)g/cm3的密实胶,海绵胶则采用现有技术车门密封条生产中普遍采用海绵胶胶料即可。此外,安装槽口300用于密封条整体在车辆车门上的安装,芯材400一般为钢质,其用于提高密封条安装后的稳固性。
本实施例的车门密封条的制备方法具体包括采用复合挤出机挤出密封条半成品,再经微波硫化和热风硫化处理,然后进行表面处理、冷却、固化及裁断即得到密封条成品。
其中,以上微波硫化具体为采用两段微波硫化炉,且微波功率分别为7.0±0.5KW/3.0±0.5KW,硫化温度分别为260±10℃/250±10℃,热风硫化则具体为采用三段热风硫化炉,且硫化温度分别为250±10℃/250±10℃/240±10℃。而作为一种优选形式,上述的表面处理可采用喷涂处理,以使密封条表面光滑并提高其耐磨性,而上述的固化处理可为使喷涂料经过三段热风固化炉,由此使涂层发生交联固化,以达到耐磨要求。此外,上述冷却具体可采用冷却水箱和风冷进行冷却,裁断可使用自动裁断机,并且在裁断后可使用EU箱对其进行包装。
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,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 (10)
1.一种微发泡玻璃呢槽胶料,其特征在于:该胶料包括如下重量份的原料:三元乙丙橡胶K13561C:57.5-80.5份;三元乙丙橡胶4045M:30-50份;活性氧化锌:5-7份;硬脂酸:1.0-2.0份;分散剂:0.5-2.5份;聚乙二醇PEG-4000:1.0-2.0份;TPO:5-10份;改性高岭土Z86:20-60份;石蜡油R-2291:50-70份;炭黑N550:100-120份;炭黑N774:55-75份;硫磺S-80:0.7-1.7份;吸湿剂GR:5-9份;促进剂:2.1-4.1份;发泡剂:2.0-3.0份;且所述发泡剂由化学发泡剂OBSH-75、发泡助剂K4-p和物理发泡剂EWE-60GE复配而成。
2.根据权利要求1所述的微发泡玻璃呢槽胶料,其特征在于:所述化学发泡剂OBSH-75、所述发泡助剂K4-p和所述物理发泡剂EWE-60GE按质量比0.5:0.3:1.8进行复配。
3.根据权利要求1所述的微发泡玻璃呢槽胶料,其特征在于:所述促进剂包括:促进剂DTDM-80:0.9-1.5份;促进剂DM-75:0.4-1.0份;促进剂ETU-75:0.4-0.8份;促进剂TMTD-75:0.4-0.8份。
4.根据权利要求1至3中任一项所述的微发泡玻璃呢槽胶料,其特征在于:所述活性氧化锌采用S-70,所述硬脂酸采用SA-1801,所述分散剂采用42M,所述TPO采用HS-860。
5.如权利要求1至4中任一项所述的微发泡玻璃呢槽胶料的制备方法,其特征在于:该制备方法包括按重量份数称取原料,将三元乙丙橡胶K13561C、三元乙丙橡胶4045M、活性氧化锌、硬脂酸、聚乙二醇PGE-4000、分散剂投料至密炼机中密炼0.8-1.2min、转子转速40rpm,再加入炭黑N550、炭黑N774、石蜡油R-2991、TPO、改性高岭土Z86密炼3-4min、120℃排气,到150℃排胶,接着在开炼机混炼降温至90℃以下,加入硫磺S-80、吸湿剂GR、促进剂、发泡剂,吃料完毕后,传送至捣炼机捣炼2-3min,然后在滤胶机进行过滤,并通过滤胶口金出条,最后经冷却线冷却得到微发泡玻璃呢槽胶料。
6.根据权利要求5所述的微发泡玻璃呢槽胶料的制备方法,其特征在于:所述捣炼机采用自动捣炼机,所述滤胶机采用齿轮泵滤胶机。
7.一种车辆密封条,其特征在于:包括采用权利要求1至4中任一项所述的微发泡玻璃呢槽胶料的密封条主体(100),以及固连于所述密封条主体(100)的外侧面和/或部分包覆于所述密封条主体(100)外侧面上的采用密实软胶或海绵胶的唇边结构(200),且于所述密封条主体(100)上构造有安装槽口(300),环所述安装槽口(300)于所述密封条主体(100)内嵌设有芯材(400)。
8.如权利要求7所述的车辆密封条的制备方法,其特征在于:该制备方法包括采用挤出机挤出密封条半成品,再经微波硫化和热风硫化处理,然后进行表面处理、冷却、固化及裁断得到密封条成品;其中,所述微波硫化采用两段微波硫化炉,微波功率分别为7.0±0.5KW/3.0±0.5KW,硫化温度分别为260±10℃/250±10℃,所述热风硫化采用三段热风硫化炉,硫化温度分别为250±10℃/250±10℃/240±10℃。
9.根据权利要求8所述的车辆密封条的制备方法,其特征在于:所述表面处理采用喷涂处理,所述固化为使喷涂料经过三段热风固化炉进行固化。
10.根据权利要求8所述的车辆密封条的制备方法,其特征在于:所述冷却采用冷却水箱和风冷进行冷却。
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