CN107339430A - 一种耐磨损的快速接头密封圈制备方法 - Google Patents
一种耐磨损的快速接头密封圈制备方法 Download PDFInfo
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Abstract
一种耐磨损的快速接头密封圈制备方法,将平纹棉帆布干燥备用;将配合剂加入到天然胶乳中搅拌20~40分钟,配合剂与天然胶乳比例为1:3,混合均匀制成胶浆;将干燥平纹棉帆布于胶浆中浸胶20~40分钟,经双辊压延机(辊速比为1:1,辊距为3mm)挤压平整均匀后干燥得到胶布;将胶布按规格以45°角裁断铺成2~3层后,卷起压实放入密封圈模具中,模具内侧壁涂有耐磨胶液,在145~155℃、8~10‑MPa的条件下硫化30~45‑分钟,在将成型的密封圈,放入强化剂中浸泡2小时,低压除去体系中的气泡,干燥后,利用平纹棉帆布涂抹一层蜡,再于100℃下热处理4h后即可完全固化,即可。本法密封圈性能稳定,在介质中不易溶胀,热收缩效应小,同时增强了扩张强度、伸长率和抗撕裂强度。
Description
技术领域:
本发明涉及一种密封圈,具体涉及一种耐磨损的快速接头密封圈制备方法法。
背景技术:
密封圈由一个或几个零件组成的环形罩,固定在轴承的一个套圈或垫圈上并与另一套圈或垫圈接触或形成窄的迷宫间隙,防止润滑油漏出及外物侵入。密封圈是一种截面为圆形的橡胶圈,因其截面为O型,故称其为O型密封圈。
现有的由于快速接头的密封圈,由于快速接头接分次数频繁,密封圈磨损较快,因此,需要提供一种密封效果好,且耐磨损的密封圈。
发明内容:
本发明所要解决的技术问题在于克服现有技术的缺陷,提供一种耐磨损的快速接头密封圈制备方法。
本发明所要解决的技术问题采用以下技术方案来实现。
一种耐磨损的快速接头密封圈制备方法,其特征在于:将平纹棉帆布干燥备用;将配合剂加入到天然胶乳中搅拌20~40分钟,配合剂与天然胶乳比例为1:3,混合均匀制成胶浆;将干燥平纹棉帆布于胶浆中浸胶20~40分钟,经双辊压延机(辊速比为1:1,辊距为3mm)挤压平整均匀后干燥得到胶布;将胶布按规格以45°角裁断铺成2~3层后,卷起压实放入密封圈模具中,模具内侧壁涂有耐磨胶液,在145~155℃、8~10-MPa的条件下硫化30~45-分钟,在将成型的密封圈,放入强化剂中浸泡2小时,低压除去体系中的气泡,干燥后,利用平纹棉帆布涂抹一层蜡,再于100℃下热处理4h后即可完全固化,即可;
所述的配合剂包括以下组分制备而成:硅橡胶生胶30-35份,橡胶添加剂5-7份,氢氧化钙1-3份,丙烯酸丁酯1-3份,氟蜡1-3份,乙二醇7-10份,醋酸丁酯7-10份,丙烯酸丁酯2-5份,苯酐3-5份,硼酸锌5-9份,氧化铝粉6-9份,活性剂氧化锌2-4份,油醇1-2份,二丙二醇单烷基醚2-5份,二氧化钛4-6份,有机酸10-16份,双氧水60-70份。
进一步技术:所述的配合剂的制备方法包括以下步骤:
将硅橡胶生胶放在混炼机上混炼,然后加入橡胶添加剂充分混炼;
将混炼产物放置15-25小时后在混炼机上进行返炼,烘箱温度保持160℃-200℃4小时;
先将氢氧化钙、丙烯酸丁酯加入到炼胶机包辊,然后加入氟蜡,乙二醇,醋酸丁酯,丙烯酸丁酯,进行热处理;
将热处理后的胶料在炼胶机上返炼,打卷、下片即得混炼胶;
向混炼胶中加入苯酐,硼酸锌,氧化铝粉,活性剂氧化锌,得到辅用胶,待用;
在搅拌和/或超声作用下缓慢加入有机酸和双氧水,0~80℃温度下反应0.1~12小时,反应结束后,通过汽提法脱水,经过反复洗脱、造粒、干燥;
将干燥粒与辅用胶混合,捶打,加入二丙二醇单烷基醚和3倍与辅用胶的水混合,加热,提炼,2小时后加入混炼胶,加热,搅拌4小时,取1/10的混合物,与油醇、二氧化钛混合即为配合剂。
进一步技术:所述的耐磨胶液包括以下组分制备而成:炭黑N330-23-25份、己二酸二辛酯DOA-15-17份、氧化锌6-8份、硬脂酸7-9份、防老剂10-13份、硫化剂DCP-4-6份、硫化助剂TAIC-5-8份、羟丙基纤维素12-18份、普鲁兰多糖7-15份、纳米二氧化硅13-16份、。
进一步技术:所述的耐磨胶液包括以下步骤制备而成:
将己二酸二辛酯DOA在70℃的热水浴中加热溶解,然后加入硬脂酸混合乳化搅拌均匀,取炭黑至容器中,加入氧化锌,混合搅拌均匀;将混合物在60~80℃水浴锅中用乳化器搅拌均匀,调节乳化搅拌速度至6000r/min,5min后将转速调低至3000r/min,继续搅拌30min,待温度降至8℃时,加入2防老剂,然后加入硫化剂DCP、硫化助剂,脱水15min,离心分离,再加入羟丙基纤维素,室温干燥,得到固体粉末,将普鲁兰多糖、纳米二氧化硅中,超声振动分散均匀后,离心分离除去大的微粒,室温干燥,得到粒子,将粒子加入2倍的水中,混合,200℃加热30min,得到耐磨胶液。
进一步技术:所述的强化剂包括以下组分制备而成:包括30份强度改良剂:30%-40%丙烯酸丁酯,30-40%乙酸乙酯,其余为水;
5份形态保持剂:乙酸乙酯15-25%,季戊四醇30-35%,石蜡15%-20%份,其余为水。
进一步技术:所述的强化剂包括以下步骤制备而成:依次加入丙烯酸丁酯、乙酸乙酯和水,机械搅拌混合均匀,1得到形态保持剂;
取石蜡和乙酸乙酯加热混合,真空除水5分钟;再加入季戊四醇,混合均匀后低压除去体系中的气泡,再于100℃下热处理4h后即可完全固化;固化物与60℃的温度水混合,搅拌1小时,即为形态保持剂;
将形态保持剂与强度改良剂混合,60℃加热1小时,30℃冷却1小时,90℃加入5分钟,即可。
进一步技术:所述的蜡为90%的石蜡和10%的防老剂混合而成。
本发明的有益效果:本发明所述的一种防老化经久耐用的橡胶配方,使用所述配方制得的橡胶,重量轻、质量好、价格低廉、防老化性能好、经久耐用,同时该种橡胶材料强度高,韧性好,不容易轻易被损坏,而且它的耐磨性能极佳,用该种橡胶材料制得的产品密封性能好,市场使用面广,深受广大化工企业的青睐。
具体实施方式:
为了使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解,下面结合具体实施例,进一步阐述本发明。
实施例1:一种耐磨损的快速接头密封圈制备方法,将平纹棉帆布干燥备用;将配合剂加入到天然胶乳中搅拌20~40分钟,配合剂与天然胶乳比例为1:3,混合均匀制成胶浆;将干燥平纹棉帆布于胶浆中浸胶20~40分钟,经双辊压延机(辊速比为1:1,辊距为3mm)挤压平整均匀后干燥得到胶布;将胶布按规格以45°角裁断铺成2~3层后,卷起压实放入密封圈模具中,模具内侧壁涂有耐磨胶液,在145~155℃、8~10-MPa的条件下硫化30~45-分钟,在将成型的密封圈,放入强化剂中浸泡2小时,低压除去体系中的气泡,干燥后,利用平纹棉帆布涂抹一层蜡,再于100℃下热处理4h后即可完全固化,即可;
配合剂包括以下组分制备而成:硅橡胶生胶30份,橡胶添加剂5份,氢氧化钙1份,丙烯酸丁酯1份,氟蜡1份,乙二醇7份,醋酸丁酯7份,丙烯酸丁酯2份,苯酐3份,硼酸锌5份,氧化铝粉6份,活性剂氧化锌2份,油醇1份,二丙二醇单烷基醚2份,二氧化钛4份,有机酸10份,双氧水60份。
配合剂的制备方法包括以下步骤:
将硅橡胶生胶放在混炼机上混炼,然后加入橡胶添加剂充分混炼;
将混炼产物放置15-25小时后在混炼机上进行返炼,烘箱温度保持160℃-200℃4小时;
先将氢氧化钙、丙烯酸丁酯加入到炼胶机包辊,然后加入氟蜡,乙二醇,醋酸丁酯,丙烯酸丁酯,进行热处理;
将热处理后的胶料在炼胶机上返炼,打卷、下片即得混炼胶;
向混炼胶中加入苯酐,硼酸锌,氧化铝粉,活性剂氧化锌,得到辅用胶,待用;
在搅拌和/或超声作用下缓慢加入有机酸和双氧水,0~80℃温度下反应0.1~12小时,反应结束后,通过汽提法脱水,经过反复洗脱、造粒、干燥;
将干燥粒与辅用胶混合,捶打,加入二丙二醇单烷基醚和3倍与辅用胶的水混合,加热,提炼,2小时后加入混炼胶,加热,搅拌4小时,取1/10的混合物,与油醇、二氧化钛混合即为配合剂。
耐磨胶液包括以下组分制备而成:炭黑N330-23份、己二酸二辛酯DOA-15份、氧化锌6份、硬脂酸7份、防老剂10份、硫化剂DCP-4份、硫化助剂TAIC-5份、羟丙基纤维素12份、普鲁兰多糖7份、纳米二氧化硅13份、。
耐磨胶液包括以下步骤制备而成:
将己二酸二辛酯DOA在70℃的热水浴中加热溶解,然后加入硬脂酸混合乳化搅拌均匀,取炭黑至容器中,加入氧化锌,混合搅拌均匀;将混合物在60~80℃水浴锅中用乳化器搅拌均匀,调节乳化搅拌速度至6000r/min,5min后将转速调低至3000r/min,继续搅拌30min,待温度降至8℃时,加入2防老剂,然后加入硫化剂DCP、硫化助剂,脱水15min,离心分离,再加入羟丙基纤维素,室温干燥,得到固体粉末,将普鲁兰多糖、纳米二氧化硅中,超声振动分散均匀后,离心分离除去大的微粒,室温干燥,得到粒子,将粒子加入2倍的水中,混合,200℃加热30min,得到耐磨胶液。
强化剂包括以下组分制备而成:包括30份强度改良剂:30%丙烯酸丁酯,30%乙酸乙酯,其余为水;
5份形态保持剂:乙酸乙酯15%,季戊四醇30%,石蜡15%份,其余为水。
强化剂包括以下步骤制备而成:依次加入丙烯酸丁酯、乙酸乙酯和水,机械搅拌混合均匀,1得到形态保持剂;
取石蜡和乙酸乙酯加热混合,真空除水5分钟;再加入季戊四醇,混合均匀后低压除去体系中的气泡,再于100℃下热处理4h后即可完全固化;固化物与60℃的温度水混合,搅拌1小时,即为形态保持剂;
将形态保持剂与强度改良剂混合,60℃加热1小时,30℃冷却1小时,90℃加入5分钟,即可。
蜡为90%的石蜡和10%的防老剂混合而成。
经试验,本法制备的密封圈与现有密封圈对比:
现有密封圈:产品硬度:HS85±2°A工作温度:TPU:-40~+80℃CPU:-40~+120℃工作压力:≤32Mpa;
本法密封圈:产品硬度:HS110±2°A工作温度:TPU:-40~+80℃CPU:-40~+120℃工作压力:≤50Mpa。
本法密封圈性能稳定,在介质中不易溶胀,热收缩效应(焦耳效应)小,同时增强了扩张强度、伸长率和抗撕裂强度。
实施例2:一种耐磨损的快速接头密封圈制备方法,将平纹棉帆布干燥备用;将配合剂加入到天然胶乳中搅拌20~40分钟,配合剂与天然胶乳比例为1:3,混合均匀制成胶浆;将干燥平纹棉帆布于胶浆中浸胶20~40分钟,经双辊压延机(辊速比为1:1,辊距为3mm)挤压平整均匀后干燥得到胶布;将胶布按规格以45°角裁断铺成2~3层后,卷起压实放入密封圈模具中,模具内侧壁涂有耐磨胶液,在145~155℃、8~10-MPa的条件下硫化30~45-分钟,在将成型的密封圈,放入强化剂中浸泡2小时,低压除去体系中的气泡,干燥后,利用平纹棉帆布涂抹一层蜡,再于100℃下热处理4h后即可完全固化,即可;
配合剂包括以下组分制备而成:硅橡胶生胶35份,橡胶添加剂7份,氢氧化钙3份,丙烯酸丁酯3份,氟蜡3份,乙二醇10份,醋酸丁酯10份,丙烯酸丁酯5份,苯酐5份,硼酸锌9份,氧化铝粉9份,活性剂氧化锌4份,油醇2份,二丙二醇单烷基醚5份,二氧化钛6份,有机酸16份,双氧水70份。
配合剂的制备方法包括以下步骤:
将硅橡胶生胶放在混炼机上混炼,然后加入橡胶添加剂充分混炼;
将混炼产物放置15-25小时后在混炼机上进行返炼,烘箱温度保持160℃-200℃4小时;
先将氢氧化钙、丙烯酸丁酯加入到炼胶机包辊,然后加入氟蜡,乙二醇,醋酸丁酯,丙烯酸丁酯,进行热处理;
将热处理后的胶料在炼胶机上返炼,打卷、下片即得混炼胶;
向混炼胶中加入苯酐,硼酸锌,氧化铝粉,活性剂氧化锌,得到辅用胶,待用;
在搅拌和/或超声作用下缓慢加入有机酸和双氧水,0~80℃温度下反应0.1~12小时,反应结束后,通过汽提法脱水,经过反复洗脱、造粒、干燥;
将干燥粒与辅用胶混合,捶打,加入二丙二醇单烷基醚和3倍与辅用胶的水混合,加热,提炼,2小时后加入混炼胶,加热,搅拌4小时,取1/10的混合物,与油醇、二氧化钛混合即为配合剂。
耐磨胶液包括以下组分制备而成:炭黑N330-25份、己二酸二辛酯DOA-17份、氧化锌8份、硬脂酸9份、防老剂13份、硫化剂DCP-6份、硫化助剂TAIC-8份、羟丙基纤维素18份、普鲁兰多糖15份、纳米二氧化硅16份、。
耐磨胶液包括以下步骤制备而成:
将己二酸二辛酯DOA在70℃的热水浴中加热溶解,然后加入硬脂酸混合乳化搅拌均匀,取炭黑至容器中,加入氧化锌,混合搅拌均匀;将混合物在60~80℃水浴锅中用乳化器搅拌均匀,调节乳化搅拌速度至6000r/min,5min后将转速调低至3000r/min,继续搅拌30min,待温度降至8℃时,加入2防老剂,然后加入硫化剂DCP、硫化助剂,脱水15min,离心分离,再加入羟丙基纤维素,室温干燥,得到固体粉末,将普鲁兰多糖、纳米二氧化硅中,超声振动分散均匀后,离心分离除去大的微粒,室温干燥,得到粒子,将粒子加入2倍的水中,混合,200℃加热30min,得到耐磨胶液。
强化剂包括以下组分制备而成:包括30份强度改良剂:40%丙烯酸丁酯,40%乙酸乙酯,其余为水;
5份形态保持剂:乙酸乙酯25%,季戊四醇35%,石蜡20%份,其余为水。
强化剂包括以下步骤制备而成:依次加入丙烯酸丁酯、乙酸乙酯和水,机械搅拌混合均匀,1得到形态保持剂;
取石蜡和乙酸乙酯加热混合,真空除水5分钟;再加入季戊四醇,混合均匀后低压除去体系中的气泡,再于100℃下热处理4h后即可完全固化;固化物与60℃的温度水混合,搅拌1小时,即为形态保持剂;
将形态保持剂与强度改良剂混合,60℃加热1小时,30℃冷却1小时,90℃加入5分钟,即可。
蜡为90%的石蜡和10%的防老剂混合而成。
现有密封圈:产品硬度:HS85±2°A工作温度:TPU:-40~+80℃CPU:-40~+120℃工作压力:≤32Mpa;
本法密封圈:产品硬度:HS100±2°A工作温度:TPU:-40~+80℃CPU:-40~+120℃工作压力:≤40Mpa。
本法密封圈性能稳定,在介质中不易溶胀,热收缩效应(焦耳效应)小,同时增强了扩张强度、伸长率和抗撕裂强度。
以上显示和描述了本发明的基本原理、主要特征和本发明的优点。本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明本发明的原理,在不脱离本发明精神和范围的前提下,本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。
Claims (7)
1.一种耐磨损的快速接头密封圈制备方法,其特征在于:将平纹棉帆布干燥备用;将配合剂加入到天然胶乳中搅拌20~40分钟,配合剂与天然胶乳比例为1:3,混合均匀制成胶浆;将干燥平纹棉帆布于胶浆中浸胶20~40分钟,经双辊压延机(辊速比为1:1,辊距为3mm)挤压平整均匀后干燥得到胶布;将胶布按规格以45°角裁断铺成2~3层后,卷起压实放入密封圈模具中,模具内侧壁涂有耐磨胶液,在145~155℃、8~10-MPa的条件下硫化30~45-分钟,在将成型的密封圈,放入35份强化剂中浸泡2小时,低压除去体系中的气泡,干燥后,利用平纹棉帆布涂抹一层蜡,再于100℃下热处理4h后即可完全固化,即可;
所述的配合剂包括以下组分制备而成:硅橡胶生胶30-35份,橡胶添加剂5-7份,氢氧化钙1-3份,丙烯酸丁酯1-3份,氟蜡1-3份,乙二醇7-10份,醋酸丁酯7-10份,丙烯酸丁酯2-5份,苯酐3-5份,硼酸锌5-9份,氧化铝粉6-9份,活性剂氧化锌2-4份,油醇1-2份,二丙二醇单烷基醚2-5份,二氧化钛4-6份,有机酸10-16份,双氧水60-70份。
2.根据权利要求1中所述的一种耐磨损的快速接头密封圈制备方法,其特征在于:所述的配合剂的制备方法包括以下步骤:
将硅橡胶生胶放在混炼机上混炼,然后加入橡胶添加剂充分混炼;
将混炼产物放置15-25小时后在混炼机上进行返炼,烘箱温度保持160℃-200℃4小时;
先将氢氧化钙、丙烯酸丁酯加入到炼胶机包辊,然后加入氟蜡,乙二醇,醋酸丁酯,丙烯酸丁酯,进行热处理;
将热处理后的胶料在炼胶机上返炼,打卷、下片即得混炼胶;
向混炼胶中加入苯酐,硼酸锌,氧化铝粉,活性剂氧化锌,得到辅用胶,待用;
在搅拌和/或超声作用下缓慢加入有机酸和双氧水,0~80℃温度下反应0.1~12小时,反应结束后,通过汽提法脱水,经过反复洗脱、造粒、干燥;
将干燥粒与辅用胶混合,捶打,加入二丙二醇单烷基醚和3倍与辅用胶的水混合,加热,提炼,2小时后加入混炼胶,加热,搅拌4小时,取1/10的混合物,与油醇、二氧化钛混合即为配合剂。
3.根据权利要求1中所述的一种耐磨损的快速接头密封圈制备方法,其特征在于:所述的耐磨胶液包括以下组分制备而成:炭黑N330-23-25份、己二酸二辛酯DOA-15-17份、氧化锌6-8份、硬脂酸7-9份、防老剂10-13份、硫化剂DCP-4-6份、硫化助剂TAIC-5-8份、羟丙基纤维素12-18份、普鲁兰多糖7-15份、纳米二氧化硅13-16份、。
4.根据权利要求1中所述的一种耐磨损的快速接头密封圈制备方法,其特征在于:所述的耐磨胶液包括以下步骤制备而成:
将己二酸二辛酯DOA在70℃的热水浴中加热溶解,然后加入硬脂酸混合乳化搅拌均匀,取炭黑至容器中,加入氧化锌,混合搅拌均匀;将混合物在60~80℃水浴锅中用乳化器搅拌均匀,调节乳化搅拌速度至6000r/min,5min后将转速调低至3000r/min,继续搅拌30min,待温度降至8℃时,加入2防老剂,然后加入硫化剂DCP、硫化助剂,脱水15min,离心分离,再加入羟丙基纤维素,室温干燥,得到固体粉末,将普鲁兰多糖、纳米二氧化硅中,超声振动分散均匀后,离心分离除去大的微粒,室温干燥,得到粒子,将粒子加入2倍的水中,混合,200℃加热30min,得到耐磨胶液。
5.根据权利要求1中所述的一种耐磨损的快速接头密封圈制备方法,其特征在于:所述的强化剂包括以下组分制备而成:包括30份强度改良剂:30%-40%丙烯酸丁酯,30-40%乙酸乙酯,其余为水;
5份形态保持剂:乙酸乙酯15-25%,季戊四醇30-35%,石蜡15%-20%份,其余为水。
6.根据权利要求1中所述的一种耐磨损的快速接头密封圈制备方法,其特征在于:所述的强化剂包括以下步骤制备而成:依次加入丙烯酸丁酯、乙酸乙酯和水,机械搅拌混合均匀,1得到形态保持剂;
取石蜡和乙酸乙酯加热混合,真空除水5分钟;再加入季戊四醇,混合均匀后低压除去体系中的气泡,再于100℃下热处理4h后即可完全固化;固化物与60℃的温度水混合,搅拌1小时,即为形态保持剂;
将形态保持剂与强度改良剂混合,60℃加热1小时,30℃冷却1小时,90℃加入5分钟,即可。
7.根据权利要求1中所述的一种耐磨损的快速接头密封圈制备方法,其特征在于:所述的蜡为90%的石蜡和10%的防老剂混合而成。
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