CN116641158A - 复合型碳纤维制备工艺 - Google Patents
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- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/77—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof
- D06M11/79—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof with silicon dioxide, silicic acids or their salts
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- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/83—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/39—Aldehyde resins; Ketone resins; Polyacetals
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- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
Abstract
本发明公开了一种复合型碳纤维制备工艺,包括以下步骤:步骤一,制备原丝;步骤二,预氧化处理;步骤三,牵伸处理;步骤四,二次预氧化处理;步骤五,二次牵伸;步骤六,抗菌性处理;步骤七,耐温性处理;步骤八,碳化处理;步骤九,将碳化处理后的原丝进行清洗,清洗后进行干燥;步骤十,干燥后进行收丝得到碳纤维。本发明解决了现有技术中碳纤维功能性单一的问题。
Description
技术领域
本发明涉及复合型碳纤维制备技术领域,具体为一种复合型碳纤维制备工艺。
背景技术
碳纤维指的是含碳量在90%以上的高强度高模量纤维。耐高温居所有化纤之首。用腈纶和粘胶纤维做原料,经高温氧化碳化而成。碳纤维主要由碳元素组成,具有耐高温、抗摩擦、导热及耐腐蚀等特性外形呈纤维状、柔软、可加工成各种织物,由于其石墨微晶结构沿纤维轴择优取向,因此沿纤维轴方向有很高的强度和模量。而现有技术中的碳纤维其功能性过于单一,缺少一种复合型多功能式碳纤维。
发明内容
针对现有技术不足,本发明提供了一种复合型碳纤维制备工艺,为解决现有技术中碳纤维功能性单一的问题。
为达到上述目的,本发明提供了一种复合型碳纤维制备工艺,包括以下步骤:
步骤一,将纺丝液通过干喷湿纺法制备原丝;
步骤二,将原丝进行预氧化处理,预氧化过程中的温度控制在240度,预氧化反应时间为80分钟;
步骤三,将原丝进行热辊牵伸处理;
步骤四,将原丝进行二次预氧化处理,预氧化过程中的温度控制在260度,预氧化反应时间为100分钟;
步骤五,将原丝进行二次牵伸,牵伸采用蒸汽加热方式处理;
步骤六,将原丝放入由抗菌整理剂制备成的浸轧液中进行浸轧处理,浸泡温度为30度,浸泡时间为20分钟,浸泡后经蒸馏水反复清洗;
步骤七,将原丝放入由纳米二氧化硅和丙酮溶剂制备成的分散液中进行浸轧,浸轧处理次数为2次,浸轧完成后经蒸馏水反复清洗,清洗后做烘干处理;
步骤八,将原丝置入低温碳化炉做初步碳化反应处理,碳化温度为400度,初步碳化反应处理后置入高温碳化炉做碳化反应处理,碳化温度为1000度;
步骤九,将碳化处理后的原丝进行清洗,清洗后进行干燥;
步骤十,干燥后进行收丝得到碳纤维。
采用上述技术方案有益的是:将原材料制备成纺丝液后通过干喷湿纺法制备成原丝,将原丝进行初步预氧化处理,处理后进行热辊牵伸处理,而后再进行二次氧化和二次牵伸,将原丝放入由抗菌整理剂制备成的浸轧液中进行浸轧处理,浸轧和清洗后再置入分散液中进行浸轧,在清洗和烘干后进行碳化处理,直至干燥后收丝得到碳纤维;上述技术中通过干喷湿纺所制备有利于形成细特化、致密化和均质化的原丝,同时纺出的纤维体密度较高,表面平滑无沟槽,且可实现速纺丝,用于生产高性能、高质量的碳纤维原丝;上述技术中通过热辊牵伸——提升纺速,而传统纺丝线的牵伸和烘干流程中均采用蒸汽加热,由于蒸汽传导热能效率较低,因此牵伸的线速度较慢,大致为80~240m/min,而热辊牵伸采用电磁感应直接加热导丝辊,在同等辊径条件下热效率增加,能有效提升基础纺速;上述技术中在浸轧液中进行浸轧处理,能够提高原丝的抗菌性能,使得纤维功能多样化;上述技术中在分散液中进行浸轧处理,能够提高纤维的耐温蓄热性,即使得纤维保温效果提高,进而使得限位功能多样化;上述技术中通过不同温度进行的碳化处理,以此保证碳纤维的成品和强度。
本发明进一步设置:所述步骤三中的热辊牵伸倍数为2.8至3.0倍数。
采用上述技术方案有益的是:上述技术中热辊牵伸倍数为2.8至3.0倍数,提高热效率的同时进一步的提高基础纺速。
本发明进一步设置:所述步骤四中预氧化含氧量为25%-90%。
采用上述技术方案有益的是:上述技术中预氧化含氧量为25%-90%,使得原丝能够进一步的到氧化,提高后续收丝能力。
本发明进一步设置:所述步骤六中的浸液率保持在70%。
采用上述技术方案有益的是:上述技术中浸液率保持在70%,提高原丝在浸液率中的浸泡程度,同时提高抗菌整理剂于原丝上的覆盖率。
本发明进一步设置:所述步骤七中烘干前的原丝可置入涂覆液中,所述涂覆液由银粉、镍粉、酚醛树脂和极性有机溶剂超声混合制成,所述原丝浸泡完成后进行烘干处理。
采用上述技术方案有益的是:上述技术中涂覆液由银粉、镍粉、酚醛树脂和极性有机溶剂超声混合制成,使得原丝在浸入涂覆液后形成覆膜,该覆膜能够有效提升原丝抗静电性,进而实现碳纤维功能多样化。
具体实施方式
本发明提供一种复合型碳纤维制备工艺,包括以下步骤:
步骤一,将纺丝液通过干喷湿纺法制备原丝;
步骤二,将原丝进行预氧化处理,预氧化过程中的温度控制在240度,预氧化反应时间为80分钟;
步骤三,将原丝进行热辊牵伸处理;
步骤四,将原丝进行二次预氧化处理,预氧化过程中的温度控制在260度,预氧化反应时间为100分钟;
步骤五,将原丝进行二次牵伸,牵伸采用蒸汽加热方式处理;
步骤六,将原丝放入由抗菌整理剂制备成的浸轧液中进行浸轧处理,浸泡温度为30度,浸泡时间为20分钟,浸泡后经蒸馏水反复清洗;
步骤七,将原丝放入由纳米二氧化硅和丙酮溶剂制备成的分散液中进行浸轧,浸轧处理次数为2次,浸轧完成后经蒸馏水反复清洗,清洗后做烘干处理;
步骤八,将原丝置入低温碳化炉做初步碳化反应处理,碳化温度为400度,初步碳化反应处理后置入高温碳化炉做碳化反应处理,碳化温度为1000度;
步骤九,将碳化处理后的原丝进行清洗,清洗后进行干燥;
步骤十,干燥后进行收丝得到碳纤维。
本发明进一步设置:所述步骤三中的热辊牵伸倍数为2.8至3.0倍数,所述步骤四中预氧化含氧量为25%-90%,所述步骤六中的浸液率保持在70%,所述步骤七中烘干前的原丝可置入涂覆液中,所述涂覆液由银粉、镍粉、酚醛树脂和极性有机溶剂超声混合制成,所述原丝浸泡完成后进行烘干处理。
以上显示和描述了本发明的基本原理和主要特征及本发明的优点,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 (5)
1.一种复合型碳纤维制备工艺,其特征在于:包括以下步骤:
步骤一,将纺丝液通过干喷湿纺法制备原丝;
步骤二,将原丝进行预氧化处理,预氧化过程中的温度控制在240度,预氧化反应时间为80分钟;
步骤三,将原丝进行热辊牵伸处理;
步骤四,将原丝进行二次预氧化处理,预氧化过程中的温度控制在260度,预氧化反应时间为100分钟;
步骤五,将原丝进行二次牵伸,牵伸采用蒸汽加热方式处理;
步骤六,将原丝放入由抗菌整理剂制备成的浸轧液中进行浸轧处理,浸泡温度为30度,浸泡时间为20分钟,浸泡后经蒸馏水反复清洗;
步骤七,将原丝放入由纳米二氧化硅和丙酮溶剂制备成的分散液中进行浸轧,浸轧处理次数为2次,浸轧完成后经蒸馏水反复清洗,清洗后做烘干处理;
步骤八,将原丝置入低温碳化炉做初步碳化反应处理,碳化温度为400度,初步碳化反应处理后置入高温碳化炉做碳化反应处理,碳化温度为1000度;
步骤九,将碳化处理后的原丝进行清洗,清洗后进行干燥;
步骤十,干燥后进行收丝得到碳纤维。
2.根据权利要求1所述的一种复合型碳纤维制备工艺,其特征在于:所述步骤三中的热辊牵伸倍数为2.8至3.0倍数。
3.根据权利要求1所述的一种复合型碳纤维制备工艺,其特征在于:所述步骤四中预氧化含氧量为25%-90%。
4.根据权利要求1所述的一种复合型碳纤维制备工艺,其特征在于:所述步骤六中的浸液率保持在70%。
5.根据权利要求1所述的一种复合型碳纤维制备工艺,其特征在于:所述步骤七中烘干前的原丝可置入涂覆液中,所述涂覆液由银粉、镍粉、酚醛树脂和极性有机溶剂超声混合制成,所述原丝浸泡完成后进行烘干处理。
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