Article(id=1304921846600716352, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1304921686403474081, articleNumber=null, orderNo=null, doi=10.16790/j.cnki.1009-9239.im.2026.06.009, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1760889600000, receivedDateStr=2025-10-20, revisedDate=1766246400000, revisedDateStr=2025-12-21, acceptedDate=null, acceptedDateStr=null, onlineDate=1789047212504, onlineDateStr=2026-09-10, pubDate=1781884800000, pubDateStr=2026-06-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1789047212504, onlineIssueDateStr=2026-09-10, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1789047212504, creator=13701087609, updateTime=1789047212504, updator=13701087609, issue=Issue{id=1304921686403474081, tenantId=1146029695717560320, journalId=1149653034449285133, year='2026', volume='59', issue='6', pageStart='1', pageEnd='188', issueExtLink='null', onlineDate='null', pubDate='1781884800000', pubDateStr='2026-06-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1789047174311, creator='13701087609', updateTime=1789118019323, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1305218831971021057, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1304921686403474081, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1305218831971021058, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1304921686403474081, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=92, endPage=102, ext={EN=ArticleExt(id=1304921846831403073, articleId=1304921846600716352, tenantId=1146029695717560320, journalId=1149653034449285133, language=EN, title=Study on structure and dielectrical properties of fluorine-containing polyester-imides, columnId=null, journalTitle=Insulating Materials, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Inspired by the molecular architecture of liquid-crystalline polyester resins that exhibit inherently low dielectric loss at high frequency, we incorporated ester moieties and fluorinated substituents for reducing dielectric constant, into polyimide backbones to develop polyimides with good processability, high mechanical performance, and low-dielectric characteristics. Firstly, effect of the number of ester linkages per repeat unit, their connection topology, and their chemical identity (phenyl vs. naphthyl esters) on the dielectric properties, mechanical properties, thermal properties, and water absorption of polyimides were systematically explored. On this basis, -CF3 pendent groups were subsequently introduced into ester-containing diamines to evaluate their influence on the dielectric, mechanical, and thermal properties of the resulting polyester-imides. The results demonstrate that the rigid and linear topology of ester-bearing monomers enhances the chain packing and crystallinity of polyimides, leading to a substantial reduction in dielectric loss of polyimides together with low water absorption, high tensile strength and excellent thermal properties. Concurrently, the incorporation of trifluoromethyl substituents does not disrupt the dense chain packing and crystallinity of polyester-imide chains, thereby preserving the low dielectric loss, low water absorption and high thermal properties of polyester-imides while further reducing the dielectric constant and improving mechanical robustness. These findings can provide theoretical guidance for the molecular design of high-performance polyimides with low dielectric constant and low dielectric loss for high-frequency applications.
, authors=Chenggng ZHANG
1, Xiaojie HE
1, Bufeng ZHANG
2, Qinghua LU
3, *, authorsList=Chenggng ZHANG, Xiaojie HE, Bufeng ZHANG, Qinghua LU, authorCompany=null, correspAuthors=Qinghua LU, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1304921849851301973, articleId=1304921846600716352, tenantId=1146029695717560320, journalId=1149653034449285133, language=CN, title=含氟聚酯-酰亚胺的结构与介电性能研究, columnId=null, journalTitle=绝缘材料, columnName=, runingTitle=null, highlight=null, articleAbstract=
受到具有高频低介损特征的液晶聚酯分子结构的启发,将酯基和降低介电常数的含氟基团引入聚酰亚胺结构,探索易加工、高性能、低介电和低介损聚酰亚胺的分子设计方法。本文首先研究结构单元中酯基的数量、连接方式、类型(苯酯基、萘基酯基)等对聚酰亚胺介电性能、力学性能、热性能和吸水率的影响。在此基础上,进一步将-CF3侧基引入酯基的二胺单体中,探索其对聚酯-酰亚胺介电性能、力学性能和热性能的影响。结果表明:含酯单体的刚性直链,提高了聚酰亚胺的结晶性,大幅降低了聚酰亚胺的介电损耗,同时具备低吸水率、高拉伸强度与高耐热性;而-CF3的引入不显著影响聚酯酰亚胺分子链的紧密堆积和结晶性,从而在保留聚酯-酰亚胺低介电损耗的同时,进一步降低了聚酯-酰亚胺的介电常数,还改善了聚酯-酰亚胺的力学性能,高耐热及低吸水特性得以保持。研究结果可为高频低介电常数、低介电损耗、高性能聚酰亚胺的分子设计提供理论指导。
, authors=张铖钢
1, 贺晓杰
1, 张步峰
2, 路庆华
3, *, authorsList=张铖钢, 贺晓杰, 张步峰, 路庆华, authorCompany=null, correspAuthors=路庆华, authorNote=
张铖钢(1995-),男(汉族),浙江金华人,工程师,博士,主要从事聚酰亚胺材料的研究
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路庆华(1965-),男(汉族),山西阳泉人,教授,主要从事芯片与显示先进聚酰亚胺电子材料的研究。
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Synthetic routes of ester-based diamine monomers and classification of diamine monomers, figureFileSmall=/d5NFQHtYSi9Vs8NgbKvBw==, figureFileBig=IXx76doPfbOnZNgucqyGgQ==, tableContent=null), ArticleFig(id=1304921915722846857, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921846600716352, language=CN, label=图1, caption=
含酯基二胺单体的合成路线及二胺单体的分类, figureFileSmall=/d5NFQHtYSi9Vs8NgbKvBw==, figureFileBig=IXx76doPfbOnZNgucqyGgQ==, tableContent=null), ArticleFig(id=1304921916008059530, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921846600716352, language=EN, label=Fig.2, caption=
FTIR of PEsIs, figureFileSmall=ueMFRC6WkcBgVNASSkjd5Q==, figureFileBig=6XOwGu5EMctEI+8Yq0EUFw==, tableContent=null), ArticleFig(id=1304921916070974091, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921846600716352, language=CN, label=图2, caption=
PEsIs的红外光谱, figureFileSmall=ueMFRC6WkcBgVNASSkjd5Q==, figureFileBig=6XOwGu5EMctEI+8Yq0EUFw==, tableContent=null), ArticleFig(id=1304921916272300684, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921846600716352, language=EN, label=Fig.3, caption=
The XRD curves and crystallinity of PEsIs, figureFileSmall=mlP1SdtxZvRYRSNgg2KqYg==, figureFileBig=XoqEGkIrNgwPwyOYilq+dg==, tableContent=null), ArticleFig(id=1304921916419101325, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921846600716352, language=CN, label=图3, caption=
PEsIs的XRD曲线及其结晶度, figureFileSmall=mlP1SdtxZvRYRSNgg2KqYg==, figureFileBig=XoqEGkIrNgwPwyOYilq+dg==, tableContent=null), ArticleFig(id=1304921916486210190, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921846600716352, language=EN, label=Fig.4, caption=
The relationship between dielectric constant and dielectric loss of PEsIs, figureFileSmall=5HViVspsCAb3LHbwIYEODg==, figureFileBig=pALoJdYKYXkBwmw/GwkZ8w==, tableContent=null), ArticleFig(id=1304921916544930447, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921846600716352, language=CN, label=图4, caption=
PEsIs介电常数和介电损耗的关系, figureFileSmall=5HViVspsCAb3LHbwIYEODg==, figureFileBig=pALoJdYKYXkBwmw/GwkZ8w==, tableContent=null), ArticleFig(id=1304921916641399440, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921846600716352, language=EN, label=Fig.5, caption=
Correlation of condensed state structure parameters with dielectric loss and dielectric constant of PEsIs, figureFileSmall=Au28Xn0zkjavNG4vU3s3HA==, figureFileBig=NJfoynvdiqMF+A34Dvf3DQ==, tableContent=null), ArticleFig(id=1304921916716896913, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921846600716352, language=CN, label=图5, caption=
PEsIs的凝聚态结构参数与介电损耗及介电常数关系, figureFileSmall=Au28Xn0zkjavNG4vU3s3HA==, figureFileBig=NJfoynvdiqMF+A34Dvf3DQ==, tableContent=null), ArticleFig(id=1304921916825948818, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921846600716352, language=EN, label=Fig.6, caption=
Water absorption rates of PEsIs films under different humidity conditions, figureFileSmall=jCn6gIyEP5U+U5MIVF9gjg==, figureFileBig=tCmjvmmTn8IEph8kDHW9Og==, tableContent=null), ArticleFig(id=1304921916901446291, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921846600716352, language=CN, label=图6, caption=
不同湿度环境下PEsPIs薄膜的吸水率, figureFileSmall=jCn6gIyEP5U+U5MIVF9gjg==, figureFileBig=tCmjvmmTn8IEph8kDHW9Og==, tableContent=null), ArticleFig(id=1304921916964360852, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921846600716352, language=EN, label=Fig.7, caption=
The stability of dielectric constant of PEsIs films at different humidity levels, figureFileSmall=WBo0EBBTBjTfeTH7/rS7uw==, figureFileBig=wW0ylPdfGYX2u2c4lwqj8Q==, tableContent=null), ArticleFig(id=1304921917027275413, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921846600716352, language=CN, label=图7, caption=
PEsPIs薄膜在不同湿度下介电常数的稳定性, figureFileSmall=WBo0EBBTBjTfeTH7/rS7uw==, figureFileBig=wW0ylPdfGYX2u2c4lwqj8Q==, tableContent=null), ArticleFig(id=1304921917111161494, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921846600716352, language=EN, label=Fig.8, caption=
The stability of dielectric loss of PEsIs films at different humidity levels, figureFileSmall=V3T9j3K3RCe8VFOeoHDQxA==, figureFileBig=R4rNd9vaeIuLdxHpO5SIYw==, tableContent=null), ArticleFig(id=1304921917253767831, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921846600716352, language=CN, label=图8, caption=
PEsPIs薄膜在不同湿度下介电损耗的稳定性, figureFileSmall=V3T9j3K3RCe8VFOeoHDQxA==, figureFileBig=R4rNd9vaeIuLdxHpO5SIYw==, tableContent=null), ArticleFig(id=1304921917341848216, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921846600716352, language=EN, label=Fig.9, caption=
The synthetic route of monomer A2E6F and A2E6F-TA2EB, figureFileSmall=O0LCPJaD949WWk+igrWzRg==, figureFileBig=0AzpK4Xie+pNMUVNHGtCJA==, tableContent=null), ArticleFig(id=1304921917400568473, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921846600716352, language=CN, label=图9, caption=
A2E6F单体及A2E6F-TA2EB的合成路线, figureFileSmall=O0LCPJaD949WWk+igrWzRg==, figureFileBig=0AzpK4Xie+pNMUVNHGtCJA==, tableContent=null), ArticleFig(id=1304921917480260250, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921846600716352, language=EN, label=Table 1, caption=
The number-average molecular weight (Mn), weight-average molecular weight (Mw), molecular weight distribution (Mw/Mn) and film formation of PEsIs
, figureFileSmall=null, figureFileBig=null, tableContent=
| PEsIs | Mn/(×104 g/mol) | Mw/(×104 g/mol) | PDI(Mw/Mn) | 成膜情况 |
|---|
A2EB-TA2EB A2EB2-TA2EB A2EB3-TA2EB A2EB4-TA2EB A2EN-TA2EB A2EN2-TA2EB PDA-TA2EB A1E-TA2EB A3EB-TA2EB | 2.61 2.32 6.78 6.54 1.27 1.24 2.51 2.93 2.57 | 3.33 3.65 11.66 11.60 1.73 1.67 4.60 3.70 3.06 | 1.54 1.57 1.72 1.77 1.35 1.34 1.83 1.26 1.19 | 完整 完整 完整 破裂 完整 完整 破裂 完整 完整 |
), ArticleFig(id=1304921917568340636, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921846600716352, language=CN, label=表1, caption=
PEsIs的数均分子量(Mn)、重均分子量(Mw)、分子量分布(PDI)及成膜情况
, figureFileSmall=null, figureFileBig=null, tableContent=
| PEsIs | Mn/(×104 g/mol) | Mw/(×104 g/mol) | PDI(Mw/Mn) | 成膜情况 |
|---|
A2EB-TA2EB A2EB2-TA2EB A2EB3-TA2EB A2EB4-TA2EB A2EN-TA2EB A2EN2-TA2EB PDA-TA2EB A1E-TA2EB A3EB-TA2EB | 2.61 2.32 6.78 6.54 1.27 1.24 2.51 2.93 2.57 | 3.33 3.65 11.66 11.60 1.73 1.67 4.60 3.70 3.06 | 1.54 1.57 1.72 1.77 1.35 1.34 1.83 1.26 1.19 | 完整 完整 完整 破裂 完整 完整 破裂 完整 完整 |
), ArticleFig(id=1304921917648032413, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921846600716352, language=EN, label=Table 2, caption=
Molecular dynamics and quantum chemical simulations of PMEsIs aggregation state parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| PEsIs | 回转半径(Rg)/Å | Kuhn长度(Afr)/Å | 内聚能密度(CED)/(J/cm3) | 自由体积分数(FFV)/% | 偶极矩/D | 体积摩尔极化率(α/V)/(a.u.·mol·cm-3) |
|---|
| A2EB-TA2EB | 53.2 | 6.20 | 490.6 | 18.5 | 3.12 | 0.973 |
| A2EB2-TA2EB | 53.0 | 2.24 | 510.7 | 17.9 | 4.59 | 0.997 |
| A2EB3-TA2EB | 65.9 | 3.45 | 488.7 | 17.4 | 0.65 | 1.019 |
| A2EB4-TA2EB | 41.8 | 0.86 | 495.8 | 17.2 | 3.76 | 0.993 |
| A2EN-TA2EB | 65.9 | 4.91 | 489.5 | 21.1 | 0.40 | 1.005 |
| A2EN2-TA2EB | 59.0 | 3.28 | 492.7 | 20.2 | 4.86 | 0.962 |
| PDA-TA2EB | 44.7 | 6.68 | 450.3 | 18.9 | 1.76 | 0.973 |
| A1E-TA2EB | 46.5 | 4.46 | 477.4 | 18.6 | 3.64 | 0.973 |
| A3EB-TA2EB | 68.9 | 6.36 | 517.3 | 17.4 | 5.93 | 1.042 |
), ArticleFig(id=1304921917723529886, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921846600716352, language=CN, label=表2, caption=
PMEsIs聚集态参数的分子动力学和量子化学模拟
, figureFileSmall=null, figureFileBig=null, tableContent=
| PEsIs | 回转半径(Rg)/Å | Kuhn长度(Afr)/Å | 内聚能密度(CED)/(J/cm3) | 自由体积分数(FFV)/% | 偶极矩/D | 体积摩尔极化率(α/V)/(a.u.·mol·cm-3) |
|---|
| A2EB-TA2EB | 53.2 | 6.20 | 490.6 | 18.5 | 3.12 | 0.973 |
| A2EB2-TA2EB | 53.0 | 2.24 | 510.7 | 17.9 | 4.59 | 0.997 |
| A2EB3-TA2EB | 65.9 | 3.45 | 488.7 | 17.4 | 0.65 | 1.019 |
| A2EB4-TA2EB | 41.8 | 0.86 | 495.8 | 17.2 | 3.76 | 0.993 |
| A2EN-TA2EB | 65.9 | 4.91 | 489.5 | 21.1 | 0.40 | 1.005 |
| A2EN2-TA2EB | 59.0 | 3.28 | 492.7 | 20.2 | 4.86 | 0.962 |
| PDA-TA2EB | 44.7 | 6.68 | 450.3 | 18.9 | 1.76 | 0.973 |
| A1E-TA2EB | 46.5 | 4.46 | 477.4 | 18.6 | 3.64 | 0.973 |
| A3EB-TA2EB | 68.9 | 6.36 | 517.3 | 17.4 | 5.93 | 1.042 |
), ArticleFig(id=1304921917811610271, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921846600716352, language=EN, label=Table 3, caption=
The dielectric constant and dielectric loss of PEsIs (dry, 10 GHz)
, figureFileSmall=null, figureFileBig=null, tableContent=
| PEsIs | Dk | Df /(×10-3) |
|---|
| A2EB-TA2EB | 3.28 | 1.47 |
| A2EB2-TA2EB | 3.28 | 1.82 |
| A2EB3-TA2EB | 3.32 | 1.33 |
| A2EB4-TA2EB | 3.32 | 1.98 |
| A2EN-TA2EB | 3.28 | 1.44 |
| A2EN2-TA2EB | 3.25 | 1.78 |
| PDA-TA2EB | 3.23 | 2.44 |
| A1E-TA2EB | 3.25 | 1.68 |
| A3EB-TA2EB | 3.30 | 1.27 |
), ArticleFig(id=1304921917874524832, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921846600716352, language=CN, label=表3, caption=
PEsIs的介电常数和介电损耗(干燥,10 GHz下)
, figureFileSmall=null, figureFileBig=null, tableContent=
| PEsIs | Dk | Df /(×10-3) |
|---|
| A2EB-TA2EB | 3.28 | 1.47 |
| A2EB2-TA2EB | 3.28 | 1.82 |
| A2EB3-TA2EB | 3.32 | 1.33 |
| A2EB4-TA2EB | 3.32 | 1.98 |
| A2EN-TA2EB | 3.28 | 1.44 |
| A2EN2-TA2EB | 3.25 | 1.78 |
| PDA-TA2EB | 3.23 | 2.44 |
| A1E-TA2EB | 3.25 | 1.68 |
| A3EB-TA2EB | 3.30 | 1.27 |
), ArticleFig(id=1304921917933245089, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921846600716352, language=EN, label=Table 4, caption=
The mechanical properties and thermal properties of PEsIs films
, figureFileSmall=null, figureFileBig=null, tableContent=
| PEsIs | σmax/MPa | E/GPa | εb/% | Tg/℃ | CTE/(×10-6 K-1) | Td5/℃ |
|---|
| A2EB-TA2EB | 141±8 | 3.4±0.6 | 6±2 | 490 | 16.7 | 490 |
| A2EB2-TA2EB | 128±6 | 2.3±0.3 | 10±3 | 402 | 16.0 | 449 |
| A2EB3-TA2EB | 92±8 | 3.8±0.4 | 4±1 | 490 | 17.8 | 498 |
| A2EB4-TA2EB | — | — | — | — | — | 464 |
| A2EN-TA2EB | — | — | — | — | 18.1 | 485 |
| A2EN2-TA2EB | 123±7 | 1.9±0.3 | 20±3 | 424 | 29.8 | 449 |
| PDA-TA2EB | — | — | — | — | 13.5 | 493 |
| A1E-TA2EB | 134±5 | 2.9±0.3 | 6±1 | 486 | 16.5 | 486 |
| A3EB-TA2EB | 150±9 | 3.2±0.4 | 7±2 | 482 | 13.0 | 482 |
), ArticleFig(id=1304921918008742562, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921846600716352, language=CN, label=表4, caption=
PEsIs薄膜的力学性能和热性能
, figureFileSmall=null, figureFileBig=null, tableContent=
| PEsIs | σmax/MPa | E/GPa | εb/% | Tg/℃ | CTE/(×10-6 K-1) | Td5/℃ |
|---|
| A2EB-TA2EB | 141±8 | 3.4±0.6 | 6±2 | 490 | 16.7 | 490 |
| A2EB2-TA2EB | 128±6 | 2.3±0.3 | 10±3 | 402 | 16.0 | 449 |
| A2EB3-TA2EB | 92±8 | 3.8±0.4 | 4±1 | 490 | 17.8 | 498 |
| A2EB4-TA2EB | — | — | — | — | — | 464 |
| A2EN-TA2EB | — | — | — | — | 18.1 | 485 |
| A2EN2-TA2EB | 123±7 | 1.9±0.3 | 20±3 | 424 | 29.8 | 449 |
| PDA-TA2EB | — | — | — | — | 13.5 | 493 |
| A1E-TA2EB | 134±5 | 2.9±0.3 | 6±1 | 486 | 16.5 | 486 |
| A3EB-TA2EB | 150±9 | 3.2±0.4 | 7±2 | 482 | 13.0 | 482 |
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