Article(id=1190677555301724315, tenantId=1146029695717560320, journalId=1190306094246359042, issueId=1190594635056689366, articleNumber=null, orderNo=null, doi=10.19595/j.cnki.1000-6753.tces.240694, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1714924800000, receivedDateStr=2024-05-06, revisedDate=1722355200000, revisedDateStr=2024-07-31, acceptedDate=null, acceptedDateStr=null, onlineDate=1761809250903, onlineDateStr=2025-10-30, pubDate=1746806400000, pubDateStr=2025-05-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1761809250903, onlineIssueDateStr=2025-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1761809250903, creator=13701087609, updateTime=1761809250903, updator=13701087609, issue=Issue{id=1190594635056689366, tenantId=1146029695717560320, journalId=1190306094246359042, year='2025', volume='40', issue='9', pageStart='2679', pageEnd='3012', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1761789481176, creator=13701087609, updateTime=1761791537510, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1190603259996946565, tenantId=1146029695717560320, journalId=1190306094246359042, issueId=1190594635056689366, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1190603259996946566, tenantId=1146029695717560320, journalId=1190306094246359042, issueId=1190594635056689366, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=2944, endPage=2957, ext={EN=ArticleExt(id=1190677555507245212, articleId=1190677555301724315, tenantId=1146029695717560320, journalId=1190306094246359042, language=EN, title=The Effect of Thermal Oxygen Aging on the Properties of Degradable Resin Based on Dual-Dynamic Bonds, columnId=null, journalTitle=Transactions of China Electrotechnical Society, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Epoxy resin (EP) possesses advantages such as low cost, high mechanical strength, robust chemical resistance, and excellent electrical insulation properties, making it extensively utilized in various epoxy cast electrical equipment like dry transformers and reactors. Nonetheless, the three-dimensional cross-linked network of resins exhibits non-melting characteristics, posing challenges in the degradation and recycling of retired epoxy electrical equipment. Nowadays, researchers have achieved epoxy resin recycling by incorporating dynamic covalent bonds into the epoxy resin crosslinking network to develop degradable Vitrimer epoxy resin materials. However, when applied to complex environments like high temperature, humidity, and intense electric fields, the internal crosslinking network of epoxy Vitrimers material may deteriorate, impacting its operational longevity. Therefore, besides ensuring favorable electrical, mechanical, and thermal properties, the enduring reliable performance of Vitrimer resin cannot be disregarded. This paper prepared dual-dynamic bonds Vitrimer resin with varying disulfide bond contents. The micromorphology, electrical characteristics, mechanical properties, dynamic thermodynamic properties, and degradation properties of Vitrimer resin at diverse aging stages were regularly investigated and the life evaluation model is constructed at last.
Firstly, dual dynamic crosslinked Vitrimer resin basded on ester bonds and varied disulfide bonds were prepared with 3,3’-dithiodipropionic acid (DTDPA) and hexahydro-4-methylphthalic anhydride (MHHPA) as the curing agent, with Triethanolamine acting as the catalyst. Subsequently, the accelerated thermo-oxygen aging tests were carried out, during which the microscopic morphology, electrical properties, bending characteristics, dynamic thermodynamic attributes, and degradation properties of vitrimer resin were periodically evaluated. Experiment results revealed alterations in the resin's microstructure under hot oxygen aging, leading to random internal cross-linked network fractures that generate abundant free radicals, ultimately causing resin failure. The resin's bending strength diminishes, rigidity increases, toughness notably decreases, and the bending fracture transitions to a brittle fracture pattern. As aging progresses, a denser cross-linked network forms on the resin's surface, elevating Tg. The integration of disulfide bonds makes the resin system more susceptible to oxidation and molecular chain breakage, resulting in reduced breakdown voltage, heightened dielectric loss factor, and increased insulation deterioration. Throughout the aging process, the degradation rate of Vitrimer resin in glycol solution decreases due to surface ester bond reduction and oxide layer formation, while the destruction of the disulfide crosslinking network prevents resin degradation in dithiothreitol solution. Lastly, a life evaluation model for the dual dynamic crosslinked Vitrimer resin was formulated based on the results of bending strength and TGA tests.
The dual dynamic crosslinked Vitrimer resin has excellent comprehensive properties and can realize the recycling of decommissioned epoxy electrical equipment. In this paper, the effect of thermal oxygen aging on the properties of dual dynamic crosslinked degradable resin was studied, which laid the experimental and theoretical foundation for the long-term service of vitrification epoxy resin in electrical equipment.
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双重动态交联环氧树脂材料因其良好的动态性能已在环保型电力设备中得到重要应用,但其在高温、高压、湿热环境下的长期服役可靠性仍面临挑战。该文制备了不同二硫键含量的动态酯键与二硫键的双重交联可降解树脂,系统地研究了其在不同老化阶段的微观形态、电气性能、弯曲性能、动态热力学性能以及降解性能,并基于热重点斜法建立了其快速热老化寿命评估模型。研究结果表明,二硫键的引入导致双重动态交联网络更容易受到热氧老化的影响。在220℃下老化720 h后,S—S键摩尔分数为30%的基于酯交换和二硫键的双重动态键类玻璃化环氧树脂的弯曲强度由18.41 MPa下降至5.13 MPa,断裂类型转变为脆断;击穿场强由41 kV/mm下降至39.12 kV/mm,介质损耗因数由2.98×10-3升高至3.64×10-3,发生明显绝缘劣化。热氧老化会影响树脂动态交联网络,导致树脂玻璃化转变温度由133.9℃升高至196.1℃,降解效率下降。该文为改善双重动态交联环氧树脂材料的性能提供了重要参考,有助于推动环保型电力设备的进一步发展和应用。
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, authorsList=刘贺晨, 刘畅, 孙章林, 刘云鹏, 江钰哲)}, authors=[Author(id=1190723955997684519, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=hc.liu@ncepu.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1190723956224176938, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, authorId=1190723955997684519, language=EN, stringName=Hechen Liu, firstName=Hechen, middleName=null, lastName=Liu, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=1. Hebei Key Laboratory of Green and Efficient New Electrical Materials and Equipment North China Electric Power University Baoding 071003 China
2. State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources North China Electric Power University Beijing 102206 China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1190723956362588971, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, authorId=1190723955997684519, language=CN, stringName=刘贺晨, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=1.河北省绿色高效电工新材料与设备重点实验室(华北电力大学) 保定 071003
2.新能源电力系统全国重点实验室(华北电力大学) 北京 102206, bio={"content":"
刘贺晨 男,1989年生,博士,副教授,研究方向为环保型环氧树脂及其复合材料研制、电气设备绝缘状态评估及聚合物电树枝特性等。E-mail:hc.liu@ncepu.edu.cn
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刘贺晨 男,1989年生,博士,副教授,研究方向为环保型环氧树脂及其复合材料研制、电气设备绝缘状态评估及聚合物电树枝特性等。E-mail:hc.liu@ncepu.edu.cn
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1, address=1. Hebei Key Laboratory of Green and Efficient New Electrical Materials and Equipment North China Electric Power University Baoding 071003 China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1190723957692183344, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, authorId=1190723956454863661, language=CN, stringName=刘畅, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=1.河北省绿色高效电工新材料与设备重点实验室(华北电力大学) 保定 071003, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1190723955754414879, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, xref=null, ext=[AuthorCompanyExt(id=1190723955766997792, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, companyId=1190723955754414879, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1. Hebei Key Laboratory of Green and Efficient New Electrical Materials and Equipment North China Electric Power University Baoding 071003 China), AuthorCompanyExt(id=1190723955775386401, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, companyId=1190723955754414879, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1.河北省绿色高效电工新材料与设备重点实验室(华北电力大学) 保定 071003)])]), Author(id=1190723957826401074, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1190723958052893492, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, authorId=1190723957826401074, language=EN, stringName=Zhanglin Sun, firstName=Zhanglin, middleName=null, lastName=Sun, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=1. Hebei Key Laboratory of Green and Efficient New Electrical Materials and Equipment North China Electric Power University Baoding 071003 China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1190723958161945397, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, authorId=1190723957826401074, language=CN, stringName=孙章林, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=1.河北省绿色高效电工新材料与设备重点实验室(华北电力大学) 保定 071003, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1190723955754414879, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, xref=null, ext=[AuthorCompanyExt(id=1190723955766997792, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, companyId=1190723955754414879, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1. Hebei Key Laboratory of Green and Efficient New Electrical Materials and Equipment North China Electric Power University Baoding 071003 China), AuthorCompanyExt(id=1190723955775386401, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, companyId=1190723955754414879, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1.河北省绿色高效电工新材料与设备重点实验室(华北电力大学) 保定 071003)])]), Author(id=1190723958258414391, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, orderNo=3, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1190723958350689082, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, authorId=1190723958258414391, language=EN, stringName=Yunpeng Liu, firstName=Yunpeng, middleName=null, lastName=Liu, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=1. Hebei Key Laboratory of Green and Efficient New Electrical Materials and Equipment North China Electric Power University Baoding 071003 China
2. State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources North China Electric Power University Beijing 102206 China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1190723958484906811, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, authorId=1190723958258414391, language=CN, stringName=刘云鹏, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=1.河北省绿色高效电工新材料与设备重点实验室(华北电力大学) 保定 071003
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Principle of dual dynamic crosslinking Vitrimer resin reaction, figureFileSmall=ZLlscGPVWTTvoDhlq7llSQ==, figureFileBig=fpPYIi6k3iBRT7spxBQ7qA==, tableContent=null), ArticleFig(id=1190723960598836044, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=CN, label=图1, caption=
双重动态交联Vitrimer树脂反应原理, figureFileSmall=ZLlscGPVWTTvoDhlq7llSQ==, figureFileBig=fpPYIi6k3iBRT7spxBQ7qA==, tableContent=null), ArticleFig(id=1190723960921797453, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=EN, label=Fig.2, caption=
Appearance changes of the three resin systems during aging, figureFileSmall=Io4n0wGIkvox0tyEYDXyQw==, figureFileBig=LGpwaTUVqcukYRe1WWm1bg==, tableContent=null), ArticleFig(id=1190723961320256334, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=CN, label=图2, caption=
三种树脂体系老化过程中的外观变化, figureFileSmall=Io4n0wGIkvox0tyEYDXyQw==, figureFileBig=LGpwaTUVqcukYRe1WWm1bg==, tableContent=null), ArticleFig(id=1190723961546748751, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=EN, label=Fig.3, caption=
Surface absorbance infrared spectra of three resin systems at different aging stages, figureFileSmall=8SPYM1tDpCvsCEKPSzecow==, figureFileBig=6iSgQkEHOtdgvk3yzXLL9Q==, tableContent=null), ArticleFig(id=1190723961634829136, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=CN, label=图3, caption=
三种树脂体系不同老化阶段表面吸光度红外光谱, figureFileSmall=8SPYM1tDpCvsCEKPSzecow==, figureFileBig=6iSgQkEHOtdgvk3yzXLL9Q==, tableContent=null), ArticleFig(id=1190723961756463953, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=EN, label=Fig.4, caption=
Comparison of absorbance of samples at different depths, figureFileSmall=Ys91Bnny8U7GrLohDKLuOA==, figureFileBig=0BFcX7dudI9uZRDEcn4dzA==, tableContent=null), ArticleFig(id=1190723961865515858, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=CN, label=图4, caption=
试样不同深度吸光度对比, figureFileSmall=Ys91Bnny8U7GrLohDKLuOA==, figureFileBig=0BFcX7dudI9uZRDEcn4dzA==, tableContent=null), ArticleFig(id=1190723961978762067, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=EN, label=Fig.5, caption=
Bending properties of the three resin systems at different aging stages, figureFileSmall=gVam1UvfvMuJMb1NZhQJAQ==, figureFileBig=at796ybqIQVmnPileH3cVg==, tableContent=null), ArticleFig(id=1190723962100396884, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=CN, label=图5, caption=
三种树脂体系不同老化阶段弯曲性能变化, figureFileSmall=gVam1UvfvMuJMb1NZhQJAQ==, figureFileBig=at796ybqIQVmnPileH3cVg==, tableContent=null), ArticleFig(id=1190723962305917781, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=EN, label=Fig.6, caption=
SEM images of the surface of 30%S—S resin system at different aging stage, figureFileSmall=TFd5B7MANhs996F5lwGDyg==, figureFileBig=ProCxgBCdGzQPepAH5H81A==, tableContent=null), ArticleFig(id=1190723962402386774, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=CN, label=图6, caption=
30%S—S树脂体系不同老化阶段表面SEM图像, figureFileSmall=TFd5B7MANhs996F5lwGDyg==, figureFileBig=ProCxgBCdGzQPepAH5H81A==, tableContent=null), ArticleFig(id=1190723962607907671, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=EN, label=Fig.7, caption=
SEM images of sections of three resin systems at different aging stages, figureFileSmall=HzzOc/1+xT1TsXo9M2njiA==, figureFileBig=rqLnh46iss+DkqhhT/tdzw==, tableContent=null), ArticleFig(id=1190723962712765272, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=CN, label=图7, caption=
三种树脂体系不同老化阶段断面SEM图像, figureFileSmall=HzzOc/1+xT1TsXo9M2njiA==, figureFileBig=rqLnh46iss+DkqhhT/tdzw==, tableContent=null), ArticleFig(id=1190723962830205785, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=EN, label=Fig 8, caption=
DMA curves of 30%S—S resin systems at different aging stages, figureFileSmall=1CdICKbws33u0Q8F4XcH+Q==, figureFileBig=GJ5KGrl2LJiuz0hQ05dTiQ==, tableContent=null), ArticleFig(id=1190723962947646298, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=CN, label=图8, caption=
30%S—S树脂体系不同老化阶段的DMA曲线, figureFileSmall=1CdICKbws33u0Q8F4XcH+Q==, figureFileBig=GJ5KGrl2LJiuz0hQ05dTiQ==, tableContent=null), ArticleFig(id=1190723963052503899, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=EN, label=Fig.9, caption=
Breakdown strength of three resin systems at different aging stages, figureFileSmall=nfBpQrU0ZcSZjm5OIAOLEQ==, figureFileBig=dOFMMLFy4vjNwmFJ9/krrg==, tableContent=null), ArticleFig(id=1190723963153167196, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=CN, label=图9, caption=
三种树脂体系不同老化阶段的击穿场强, figureFileSmall=nfBpQrU0ZcSZjm5OIAOLEQ==, figureFileBig=dOFMMLFy4vjNwmFJ9/krrg==, tableContent=null), ArticleFig(id=1190723963266413405, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=EN, label=Fig.10, caption=
Dielectric loss values of three resin systems at different aging stages, figureFileSmall=fHZO3ow93FdUvN2pIRYiSQ==, figureFileBig=xXGeQPRv8GoZRCH550TANA==, tableContent=null), ArticleFig(id=1190723963383853918, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=CN, label=图10, caption=
三种树脂体系不同老化阶段介质损耗因数, figureFileSmall=fHZO3ow93FdUvN2pIRYiSQ==, figureFileBig=xXGeQPRv8GoZRCH550TANA==, tableContent=null), ArticleFig(id=1190723963459351391, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=EN, label=Fig.11, caption=
Degradation and principle of Vitrimer resin in glycol solution, figureFileSmall=p8g7tVhkAcQ7cYpOXsJzvg==, figureFileBig=BMwpY3hs7Uf1Gw7N52CNzg==, tableContent=null), ArticleFig(id=1190723963639706464, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=CN, label=图11, caption=
Vitrimer树脂在乙二醇溶液中的降解及反应原理, figureFileSmall=p8g7tVhkAcQ7cYpOXsJzvg==, figureFileBig=BMwpY3hs7Uf1Gw7N52CNzg==, tableContent=null), ArticleFig(id=1190723963820061537, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=EN, label=Fig.12, caption=
Degradation and principle of Vitrimer resin in DTT solution, figureFileSmall=bhowy/mbiN4LqRceEBFpRA==, figureFileBig=gTaWGQLoWoPBuZYQnD+OQA==, tableContent=null), ArticleFig(id=1190723963996222306, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=CN, label=图12, caption=
Vitrimer树脂在二硫苏糖醇溶液中的降解及反应原理, figureFileSmall=bhowy/mbiN4LqRceEBFpRA==, figureFileBig=gTaWGQLoWoPBuZYQnD+OQA==, tableContent=null), ArticleFig(id=1190723964092691299, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=EN, label=Fig.13, caption=
Degradation of resin in glycol solution at different aging stages, figureFileSmall=RO5VgSRth9PMkj+1OqUWXg==, figureFileBig=zW83T0K0jJbpjhUVfkxZ+Q==, tableContent=null), ArticleFig(id=1190723964189160292, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=CN, label=图13, caption=
不同老化阶段树脂在乙二醇溶液中的降解过程, figureFileSmall=RO5VgSRth9PMkj+1OqUWXg==, figureFileBig=zW83T0K0jJbpjhUVfkxZ+Q==, tableContent=null), ArticleFig(id=1190723964273046373, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=EN, label=Fig.14, caption=
Degradation process of resin in dithiothreitol solution at different aging stages, figureFileSmall=YBr5vM5mtKiJ5yEsQFOcHg==, figureFileBig=7k2p5kIm63JbFDNPsPrGFQ==, tableContent=null), ArticleFig(id=1190723964365321062, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=CN, label=图14, caption=
不同老化阶段树脂在二硫苏糖醇溶液中的降解过程, figureFileSmall=YBr5vM5mtKiJ5yEsQFOcHg==, figureFileBig=7k2p5kIm63JbFDNPsPrGFQ==, tableContent=null), ArticleFig(id=1190723964449207143, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=EN, label=Fig.15, caption=
Emergent curves of S+ in 30%S—S resin, figureFileSmall=IbKRso95rDf+N2sqnOwcjw==, figureFileBig=r1kEdza6AilYFdgnEn1s1g==, tableContent=null), ArticleFig(id=1190723964587619176, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=CN, label=图15, caption=
30%S—S树脂中S+逸出曲线, figureFileSmall=IbKRso95rDf+N2sqnOwcjw==, figureFileBig=r1kEdza6AilYFdgnEn1s1g==, tableContent=null), ArticleFig(id=1190723964700865385, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=EN, label=App.Fig.1, caption=
Structure formula and 3D structure of raw material, figureFileSmall=pleboCFlv1Du8z5DcAdeaA==, figureFileBig=eUHrTxkCOdEQsvJYbOJ98A==, tableContent=null), ArticleFig(id=1190723964776362858, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=CN, label=附图1, caption=
试验原料结构式及三维结构, figureFileSmall=pleboCFlv1Du8z5DcAdeaA==, figureFileBig=eUHrTxkCOdEQsvJYbOJ98A==, tableContent=null), ArticleFig(id=1190723964906386283, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=EN, label=App.Fig.2, caption=
Infrared spectra of matrix of three resin systems at different aging stages, figureFileSmall=9AqTbXXHMQKIcT48+kKAzA==, figureFileBig=z12uTNL6TyLTF552Jxxb9A==, tableContent=null), ArticleFig(id=1190723965476811628, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=CN, label=附图2, caption=
三种树脂体系老化前后基体红外光谱, figureFileSmall=9AqTbXXHMQKIcT48+kKAzA==, figureFileBig=z12uTNL6TyLTF552Jxxb9A==, tableContent=null), ArticleFig(id=1190723966038848365, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=EN, label=App.Fig.3, caption=
Changes of chemical chain segments of three resin systems in the thermal oxygen aging, figureFileSmall=zTKV5WSvxB78lR3Fg2kWCA==, figureFileBig=DPGUSr4DrRAlRr96CTZVUw==, tableContent=null), ArticleFig(id=1190723966181454702, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=CN, label=附图3, caption=
三种树脂体系热氧老化过程中内部化学链段的变化, figureFileSmall=zTKV5WSvxB78lR3Fg2kWCA==, figureFileBig=DPGUSr4DrRAlRr96CTZVUw==, tableContent=null), ArticleFig(id=1190723966290506607, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=EN, label=App.Fig.4, caption=
TGA and DTG curves of resins at different aging stages, figureFileSmall=+sbcLIhxW3lg2cW+YuEG/w==, figureFileBig=puh5w/2C61kekn4UKYrvqA==, tableContent=null), ArticleFig(id=1190723966437307248, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=CN, label=附图4, caption=
三种树脂体系不同老化阶段热失重及失重速率, figureFileSmall=+sbcLIhxW3lg2cW+YuEG/w==, figureFileBig=puh5w/2C61kekn4UKYrvqA==, tableContent=null), ArticleFig(id=1190723966529581937, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=EN, label=Tab.1, caption=
Resin life evaluation model parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 树脂体系 | b | a | td/℃ | 寿命公式 |
| 0%S—S | 6 580.26 | -10.61 | 168.39 | |
| 30%S—S | 6 455.37 | -10.54 | 162.01 | |
| 60%S—S | 6 345.57 | -10.34 | 160.41 | |
), ArticleFig(id=1190723966621856626, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=CN, label=表1, caption=
树脂寿命评估模型参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 树脂体系 | b | a | td/℃ | 寿命公式 |
| 0%S—S | 6 580.26 | -10.61 | 168.39 | |
| 30%S—S | 6 455.37 | -10.54 | 162.01 | |
| 60%S—S | 6 345.57 | -10.34 | 160.41 | |
), ArticleFig(id=1190723966806406003, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=EN, label=App.Tab.1, caption=
Raw material mol ratio of resin system
, figureFileSmall=null, figureFileBig=null, tableContent=
| 树脂体系 | DGEBA/mol | MHHPA/mol | DTDPA/mol | TEOA/mol |
| 0%S—S | 1 | 1 | 0 | 0.01 |
| 30%S—S | 1 | 0.7 | 0.3 | 0.01 |
| 60%S—S | 1 | 0.4 | 0.6 | 0.01 |
), ArticleFig(id=1190723966978372468, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=CN, label=附表1, caption=
树脂体系原料配比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 树脂体系 | DGEBA/mol | MHHPA/mol | DTDPA/mol | TEOA/mol |
| 0%S—S | 1 | 1 | 0 | 0.01 |
| 30%S—S | 1 | 0.7 | 0.3 | 0.01 |
| 60%S—S | 1 | 0.4 | 0.6 | 0.01 |
), ArticleFig(id=1190723967058064245, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=EN, label=App.Tab.2, caption=
Bending strength test results of resins
, figureFileSmall=null, figureFileBig=null, tableContent=
| 老化时间/h | 弯曲强度/MPa |
| 0%S—S | 30%S—S | 60%S—S |
| 0 | 19.57 | 18.41 | 17.64 |
| 72 | 18.71 | 17.08 | 16.51 |
| 144 | 16.94 | 13.91 | 12.83 |
| 216 | 16.82 | 13.01 | 11.72 |
| 288 | 13.89 | 12.79 | 10.64 |
| 360 | 14.69 | 10.00 | 8.14 |
| 432 | 13.90 | 7.00 | 6.44 |
| 504 | 12.86 | 6.10 | 5.78 |
| 576 | 8.31 | 5.72 | 5.29 |
| 648 | 6.80 | 5.33 | 4.93 |
| 720 | 6.48 | 5.13 | 4.65 |
), ArticleFig(id=1190723967188087670, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=CN, label=附表2, caption=
树脂弯曲强度测试结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 老化时间/h | 弯曲强度/MPa |
| 0%S—S | 30%S—S | 60%S—S |
| 0 | 19.57 | 18.41 | 17.64 |
| 72 | 18.71 | 17.08 | 16.51 |
| 144 | 16.94 | 13.91 | 12.83 |
| 216 | 16.82 | 13.01 | 11.72 |
| 288 | 13.89 | 12.79 | 10.64 |
| 360 | 14.69 | 10.00 | 8.14 |
| 432 | 13.90 | 7.00 | 6.44 |
| 504 | 12.86 | 6.10 | 5.78 |
| 576 | 8.31 | 5.72 | 5.29 |
| 648 | 6.80 | 5.33 | 4.93 |
| 720 | 6.48 | 5.13 | 4.65 |
), ArticleFig(id=1190723967318111095, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=EN, label=App.Tab.3, caption=
Resin thermal weight loss 5%~50% corresponding to temperature
, figureFileSmall=null, figureFileBig=null, tableContent=
| 失重率(%) | T0%S—S/℃ | T30%S—S/℃ | T60%S—S/℃ |
| 5 | 348 | 324 | 301 |
| 10 | 366 | 349 | 338 |
| 15 | 376 | 362 | 341 |
| 20 | 383 | 372 | 357 |
| 25 | 389 | 380 | 370 |
| 30 | 393 | 386 | 379 |
| 35 | 397 | 392 | 386 |
| 40 | 401 | 396 | 392 |
| 45 | 405 | 401 | 397 |
| 50 | 408 | 405 | 403 |
), ArticleFig(id=1190723967427163000, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=CN, label=附表3, caption=
树脂热失重5%~50%对应温度
, figureFileSmall=null, figureFileBig=null, tableContent=
| 失重率(%) | T0%S—S/℃ | T30%S—S/℃ | T60%S—S/℃ |
| 5 | 348 | 324 | 301 |
| 10 | 366 | 349 | 338 |
| 15 | 376 | 362 | 341 |
| 20 | 383 | 372 | 357 |
| 25 | 389 | 380 | 370 |
| 30 | 393 | 386 | 379 |
| 35 | 397 | 392 | 386 |
| 40 | 401 | 396 | 392 |
| 45 | 405 | 401 | 397 |
| 50 | 408 | 405 | 403 |
), ArticleFig(id=1190723967557186425, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=EN, label=App.Tab.4, caption=
Values of (单位:K)
, figureFileSmall=null, figureFileBig=null, tableContent=
| n | 0%S—S | 30%S—S | 60%S—S |
| 0 | 1 557 | 1 449 | 1 346 |
| 1 | 1 157 | 1 103 | 1 069 |
| 2 | 970 | 935 | 881 |
| 3 | 857 | 831 | 799 |
| 4 | 778 | 760 | 740 |
| 5 | 717 | 705 | 692 |
| 6 | 671 | 662 | 652 |
| 7 | 634 | 626 | 620 |
| 8 | 603 | 597 | 591 |
| 9 | 577 | 573 | 570 |
| 10 | 1 557 | 1 449 | 1 346 |
), ArticleFig(id=1190723967674626938, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1190677555301724315, language=CN, label=附表4, caption=
取值
, figureFileSmall=null, figureFileBig=null, tableContent=
| n | 0%S—S | 30%S—S | 60%S—S |
| 0 | 1 557 | 1 449 | 1 346 |
| 1 | 1 157 | 1 103 | 1 069 |
| 2 | 970 | 935 | 881 |
| 3 | 857 | 831 | 799 |
| 4 | 778 | 760 | 740 |
| 5 | 717 | 705 | 692 |
| 6 | 671 | 662 | 652 |
| 7 | 634 | 626 | 620 |
| 8 | 603 | 597 | 591 |
| 9 | 577 | 573 | 570 |
| 10 | 1 557 | 1 449 | 1 346 |
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