CN106122473A - 一种用于生化制药设备的密封垫片 - Google Patents

一种用于生化制药设备的密封垫片 Download PDF

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CN106122473A
CN106122473A CN201610516842.1A CN201610516842A CN106122473A CN 106122473 A CN106122473 A CN 106122473A CN 201610516842 A CN201610516842 A CN 201610516842A CN 106122473 A CN106122473 A CN 106122473A
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gasket seal
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CN106122473B (zh
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马荣华
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SUZHOU BEIKAI BIOCHEMICAL EQUIPMENT Co Ltd
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Abstract

本发明提供一种用于生化制药设备的密封垫片,所述密封垫片为多层复合结构,所述多层复合结构包括基层,所述基层的正面和背面从里向外依次分别设有膨胀缓冲层、阻燃层、防腐层、耐高温层和外层;所述用于生化制药设备的密封垫片,具备很好的阻燃性、防腐性以及耐高温性能,能被广泛的应用于各种复杂的生化设备环境中;其次,所述密封垫片充分增加了产品的膨胀性,使产品具备很好的机械强度和弹性;此外,本发明提供的一种用于生化制药设备的密封垫片还具备一定的防水、防油、防尘、防静电的功能。

Description

一种用于生化制药设备的密封垫片
技术领域
本发明涉及生化制药设备领域,具体涉及一种用于生化制药设备的密封垫片。
背景技术
密封垫片,是一种用于机械、设备、管道等内部,起密封作用的材料。目前常用的密封垫片从材质上主要包括石棉密封垫片和橡胶密封垫片。
密封垫片在生化设备上是非常重要的。在生化设备的生产过程中常有设备故障、生产中断、物料报废等事故发生,究其原因不乏密封元件(包括密封垫片)损坏引发密封技术失效因素。密封元件(包括密封垫片)在一套生化设备中除保证准确执行工艺参数外,它的另一个功能就是避免机电设备的三漏(水、气、油等),它对保证设备的安全高效运行、节约能源保护环境、保证生产的产品质量有着举足轻重的作用,世界各国都非常重视对它的研究和应用。
对于生化设备中的密封垫片而言,由于生化设备所应用的场所、环境较为特殊,因此,对密封垫片的要求也较为严格。
目前的生化设备大多数用于生物化工制药、污水处理、油田开采等领域。我们都知道,生化设备通常是用于一些生物化学药品的制作,会常常接触到一些生化试剂,这些试剂种类繁多,性能各异,对设备的损伤也比较大,因此,对于这些领域而言,密封垫除了要求其密封性以外,出于生产安全,用于该设备的密封垫片,其防腐蚀性的要求要远远大于普通的密封垫片。同时,生产场所中,防火的要求远远高于普通的工作场所,所以,对密封垫片的阻燃性、耐温性等防火性安全方面要求也更高。
因此,为了社会经济的发展,也为了生产安全,有必要开发出一种用于生化制药设备的多效密封垫片。
发明内容
为解决上述存在的问题,本发明的目的在于一种用于生化制药设备的密封垫片,所述密封垫片为多层复合结构,所述多层复合结构包括基层,所述基层的正面和背面从里向外依次分别设有膨胀缓冲层、阻燃层、防腐层、耐高温层和外层;所述用于生化制药设备的密封垫片,具备很好的阻燃性、防腐性以及耐高温性能,能被广泛的应用于各种复杂的生化设备环境中;其次,所述密封垫片充分增加了产品的膨胀性,使产品具备很好的机械强度和弹性;此外,本发明提供的一种用于生化制药设备的密封垫片还具备一定的防水、防油、防尘、防静电的功能。
为达到上述目的,本发明采用的技术方案是:
一种用于生化制药设备的密封垫片,所述密封垫片为多层复合结构,所述多层复合结构包括基层,所述基层的正面和背面从里向外依次分别设有膨胀缓冲层、阻燃层、防腐层、耐高温层和外层;所述阻燃层的厚度为0.2~0.3mm,所述阻燃层包括以下重量配比原料:
EVA树脂:50~80份,溴化异丁烯-对甲基苯乙烯共聚物橡胶:10~20份,膨胀石墨:5~10份,氢氧化镁:5~8份,红磷:1~2份,碳纤维:3~5份,抗冲击改性剂:3~5份,增塑剂:3~5份,稳定剂:1~2份,偶联剂:0.1~0.5份,正丁醇:15~30份;
所述防腐层的厚度为0.1~0.2mm,所述防腐层包括以下重量配比原料:
聚苯硫醚:60~80份,聚异丁烯橡胶:15~25份,芳纶纤维:3~5份,环氧树脂:8~12份,硅微粉:1~2份,炭黑:1~2份,蒙脱土:2~3份,偶联剂:0.1~1份,增塑剂:3~5份,稳定剂:1~2份,正丁醇:20~30份。
优选地,所述所述阻燃层包括以下重量配比原料:
EVA树脂:55~75份,溴化异丁烯-对甲基苯乙烯共聚物橡胶:11~19份,膨胀石墨:6~9份,氢氧化镁:5.5~7.5份,红磷:1.1~1.9份,碳纤维:3.4~4.7份,抗冲击改性剂:3.5~4.5份,增塑剂:3.3~4.8份,稳定剂:1.1~1.94份,偶联剂:0.15~0.46份,正丁醇:18~28份;
所述防腐层包括以下重量配比原料:
聚苯硫醚:63~78份,聚异丁烯橡胶:16~24份,芳纶纤维:3.2~4.5份,环氧树脂:8.5~11份,硅微粉:1.2~1.9份;炭黑:1.15~1.96份,蒙脱土:2.1~2.95份,偶联剂:0.15~0.9份,增塑剂:3.5~4.5份,稳定剂:1.14~1.97份,正丁醇:21~29份。
优选地,所述所述阻燃层包括以下重量配比原料:
EVA树脂:65份,溴化异丁烯-对甲基苯乙烯共聚物橡胶:16份,膨胀石墨:7.6份,氢氧化镁:6.8份,红磷:1.54份,碳纤维:4份,抗冲击改性剂:4.23份,增塑剂:4.12份,稳定剂:1.5份,偶联剂:0.28份,正丁醇:20份;
所述防腐层包括以下重量配比原料:
聚苯硫醚:72份,聚异丁烯橡胶:20份,芳纶纤维:4.2份,环氧树脂:10.5份,硅微粉:1.5份;炭黑:1.54份,蒙脱土:2.56份,偶联剂:0.52份,增塑剂:4份,稳定剂:1.5份,正丁醇:25份。
进一步,所述基层为溴化异丁烯-对甲基苯乙烯共聚物橡胶,所述基层的厚度为1.5~2.5mm,所述外层为聚四氟乙烯,所述外层的厚度为0.25~0.45mm。
进一步,所述膨胀缓冲层为丁苯橡胶,所述膨胀缓冲层的厚度为0.2~0.3mm。
另,所述耐高温层为石墨型梯形聚合物,所述耐高温层的厚度为0.3~0.5mm。
另有,所述抗冲击改性剂为丙烯腈-丁二烯-苯乙烯共聚物。
再,所述增塑剂为葵二酸二辛酯,所述稳定剂为钙锌复合稳定剂与季戊四醇重量组份比例为1:2的混合物。
再有,所述偶联剂为γ-氨丙基三乙氧基硅烷、γ-甲基丙烯酰氧基丙基三甲氧基硅烷、N-(β-氨乙基)-γ-氨丙基三甲氧基硅烷中的一种。
本发明的有益效果在于:
(1)所述用于生化制药设备的密封垫片,设置多层复合结构,能使产品综合性能更加优越,使其更加广泛的应用于生化制药设备等环境极为复杂的生产设备中。
(2)所述用于生化制药设备的密封垫片,具备很好的阻燃性、防腐性以及耐高温性能,能有效抵抗化学试剂及周围环境的腐蚀,在高温环境下能依旧保持很好的性能,在设备生产运行过程中,也不会因为摩擦等原因而起火,具有很好的阻燃性,非常适合应用在各种复杂的生化制药设备环境中。
(3)所述密封垫片充分增加了产品的膨胀性,使产品具备很好的机械强度和弹性,具备很好的抗冲击性能和耐摩擦性能,延长了所述密封垫片的使用寿命。
(4)本发明提供的一种用于生化制药设备的密封垫片,通过新的化合物配比,还使其具备一定的防水、防油、防尘、防静电的功能。
附图说明
图1为本发明提供的一种用于生化制药设备的密封垫片的结构示意图;
其中,1为基层,2为膨胀缓冲层,3为阻燃层,4为防腐层,5为耐高温层,6为外层。
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、完整的描述,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的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。
表1为本发明实施例所述一种用于生化制药设备的密封垫片中阻燃层按重量配比的原料列表。
表2为本发明实施例所述一种用于生化制药设备的密封垫片中防腐层按重量配比的原料列表。
表1实施列所述一种用于生化制药设备的密封垫片中阻燃层按重量配比的原料(单位:份)
表2实施列所述防腐层按重量配比的原料(单位:份)
上述实施例的密封垫片,各复合层的材料分别制备(比如阻燃层3、防腐蚀层4),然后再进行复合,复合后得到的产品可以根据实际的使用、生产需求,进行再加工,加工成特定的形状即可。
本发明提供的一种用于生化制药设备的密封垫片,所述用于生化制药设备的密封垫片,设置多层复合结构,能使产品综合性能更加优越,使其更加广泛的应用于生化制药设备等环境极为复杂的生产设备中。所述用于生化制药设备的密封垫片,具备很好的阻燃性、防腐性以及耐高温性能,能有效抵抗化学试剂及周围环境的腐蚀,在高温环境下能依旧保持很好的性能,在设备生产运行过程中,也不会因为摩擦等原因而起火,具有很好的阻燃性,非常适合应用在各种复杂的生化设备环境中。其次,所述密封垫片充分增加了产品的膨胀性,使产品具备很好的机械强度和弹性,具备很好的抗冲击性能和耐摩擦性能,延长了所述密封垫片的使用寿命。此外,本发明提供的一种用于生化制药设备的密封垫片,通过新的化合物配比,还使其具备一定的防水、防油、防尘、防静电的功能。
需要说明的是,以上实施例仅用以说明本发明的技术方案而非限制。尽管参照较佳实施例对本发明进行了详细说明,本领域的普通技术人员应当理解,可以对发明的技术方案进行修改或者等同替换,而不脱离本发明技术方案的范围,其均应涵盖在本发明的权利要求范围中。

Claims (9)

1. 一种用于生化制药设备的密封垫片,其特征在于,所述密封垫片为多层复合结构,所述多层复合结构包括基层,所述基层的正面和背面从里向外依次分别设有膨胀缓冲层、阻燃层、防腐层、耐高温层和外层;所述阻燃层的厚度为0.2~0.3 mm,所述阻燃层包括以下重量配比原料:
EVA树脂:50~80份,溴化异丁烯-对甲基苯乙烯共聚物橡胶:10~20份,膨胀石墨:5~10份,氢氧化镁:5~8份,红磷:1~2份,碳纤维:3~5份,抗冲击改性剂:3~5份,增塑剂:3~5份,稳定剂:1~2份,偶联剂:0.1~0.5份,正丁醇:15~30份;
所述防腐层的厚度为0.1~0.2 mm,所述防腐层包括以下重量配比原料:
聚苯硫醚:60~80份,聚异丁烯橡胶:15~25份,芳纶纤维:3~5份,环氧树脂:8~12份,硅微粉:1~2份,炭黑:1~2份,蒙脱土:2~3份,偶联剂:0.1~1份,增塑剂:3~5份,稳定剂:1~2份,正丁醇:20~30份。
2.根据权利要求1所述的一种用于生化制药设备的密封垫片,其特征在于,所述所述阻燃层包括以下重量配比原料:
EVA树脂:55~75份,溴化异丁烯-对甲基苯乙烯共聚物橡胶:11~19份,膨胀石墨:6~9份,氢氧化镁:5.5~7.5份,红磷:1.1~1.9份,碳纤维:3.4~4.7份,抗冲击改性剂:3.5~4.5份,增塑剂:3.3~4.8份,稳定剂:1.1~1.94份,偶联剂:0.15~0.46份,正丁醇:18~28份;
所述防腐层包括以下重量配比原料:
聚苯硫醚:63~78份,聚异丁烯橡胶:16~24份,芳纶纤维:3.2~4.5份,环氧树脂:8.5~11份,硅微粉:1.2~1.9份;炭黑:1.15~1.96份,蒙脱土:2.1~2.95份,偶联剂:0.15~0.9份,增塑剂:3.5~4.5份,稳定剂:1.14~1.97份,正丁醇:21~29份。
3.根据权利要求1所述的一种用于生化制药设备的密封垫片,其特征在于,所述所述阻燃层包括以下重量配比原料:
EVA树脂:65份,溴化异丁烯-对甲基苯乙烯共聚物橡胶:16份,膨胀石墨:7.6份,氢氧化镁:6.8份,红磷:1.54份,碳纤维:4份,抗冲击改性剂:4.23份,增塑剂:4.12份,稳定剂:1.5份,偶联剂:0.28份,正丁醇:20份;
所述防腐层包括以下重量配比原料:
聚苯硫醚:72份,聚异丁烯橡胶:20份,芳纶纤维:4.2份,环氧树脂:10.5份,硅微粉:1.5份;炭黑:1.54份,蒙脱土:2.56份,偶联剂:0.52份,增塑剂:4份,稳定剂:1.5份,正丁醇:25份。
4. 根据权利要求1所述的一种用于生化制药设备的密封垫片,其特征在于,所述基层为溴化异丁烯-对甲基苯乙烯共聚物橡胶,所述基层的厚度为1.5~2.5 mm,所述外层为聚四氟乙烯,所述外层的厚度为0.25~0.45mm。
5. 根据权利要求1所述的一种用于生化制药设备的密封垫片,其特征在于,所述膨胀缓冲层为丁苯橡胶,所述膨胀缓冲层的厚度为0.2~0.3 mm。
6. 根据权利要求1所述的一种用于生化制药设备的密封垫片,其特征在于,所述耐高温层为石墨型梯形聚合物,所述耐高温层的厚度为0.3~0.5 mm。
7.根据权利要求1或2或3所述的一种用于生化制药设备的密封垫片,其特征在于,所述抗冲击改性剂为丙烯腈-丁二烯-苯乙烯共聚物。
8.根据权利要求1或2或3所述的一种用于生化制药设备的密封垫片,其特征在于,所述增塑剂为葵二酸二辛酯,所述稳定剂为钙锌复合稳定剂与季戊四醇重量组份比例为1:2的混合物。
9.根据权利要求1或2或3所述的一种用于生化制药设备的密封垫片,其特征在于,所述偶联剂为γ-氨丙基三乙氧基硅烷、γ-甲基丙烯酰氧基丙基三甲氧基硅烷、N-(β-氨乙基)-γ-氨丙基三甲氧基硅烷中的一种。
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