Article(id=1304921713897137063, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1304921686403474081, articleNumber=null, orderNo=null, doi=10.16790/j.cnki.1009-9239.im.2026.06.010, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1756483200000, receivedDateStr=2025-08-30, revisedDate=1758988800000, revisedDateStr=2025-09-28, acceptedDate=null, acceptedDateStr=null, onlineDate=1789047180865, onlineDateStr=2026-09-10, pubDate=1781884800000, pubDateStr=2026-06-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1789047180865, onlineIssueDateStr=2026-09-10, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1789047180865, creator=13701087609, updateTime=1789047180865, 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=103, endPage=112, ext={EN=ArticleExt(id=1304921714224292776, articleId=1304921713897137063, tenantId=1146029695717560320, journalId=1149653034449285133, language=EN, title=Preparation and properties of solution-processable fluorene-containing polyimide films with low dielectric features, columnId=null, journalTitle=Insulating Materials, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Four fluorene-containing polyimide (PI) resins without per- and polyfluoroalkyl substances (PFAS), including PI-Ia (BPAF-BAOFL), PI-IIa (BPFDA-BAOFL), PI-Ib (BPAF-FDAADA), and PI-IIb (BPFDA-FDAADA) were prepared from two fluo-rene-containing dianhydrides 9,9-bis[(3,4-dicarboxy)benzene]fluorene dianhydride (BPAF, I) and 9,9-bis[4-(3,4-dicarboxyphenoxy)phenyl]fluorene dianhydride (BPFDA,II) and the fluorene-containing diamines 9,9-bis[(4-aminophenoxy)phenyl]fluorene (BAOFL,a) and 9,9-bis[4-(4-aminobenzamide)phenyl]fluorene (FDAADA,b), respectively via two-step chemical imidization procedure. The corresponding PI films were prepared by the solution processing procedure. The results show that the derived PI resins show good solubility in polar N-methyl-2-pyrrolidone (NMP), N,N-dimethylacetamide (DMAc) and cyclopentanone (CPA). The incorporation of fluorene substituents endows the PI films good thermal resistance with the glass transition temperatures (Tg) over 298℃. The BAOFL-based PI films (PI-Ia and PI-IIa) exhibit low dielectric features with the dielectric constants (Dk) and dielectric dissipation factors (Df) in the range of 2.87 to 3.20 and 0.006 6 to 0.012 3, respectively at 10 GHz. While the FDAADA-based PI films (PI-Ib and PI-IIb) shows a bit deteriorated dielectric feature due to the existence of polar amide units (-CONH-). However, the high-temperature dimensional stability of the FDAADA-based PI films is improved with the linear coefficient of thermal expansion (CTE) values as low as 38.9×10-6 K-1.
, authors=Ruixuan WANG
1, Jijia LANG
1, Xiaohan WANG
2, Duanyi LI
1, Xi REN
1, Zhenzhong WANG
1, Jingang LIU
1, 3, *, authorsList=Ruixuan WANG, Jijia LANG, Xiaohan WANG, Duanyi LI, Xi REN, Zhenzhong WANG, Jingang LIU, authorCompany=null, correspAuthors=Jingang LIU, 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=1304921717227414459, articleId=1304921713897137063, tenantId=1146029695717560320, journalId=1149653034449285133, language=CN, title=溶液可加工型含芴基低介电聚酰亚胺薄膜的制备与性能, columnId=null, journalTitle=绝缘材料, columnName=, runingTitle=null, highlight=null, articleAbstract=
采用含芴基二酐单体9,9-双[(3,4-二羧基)苯基]芴二酐(BPAF,I)以及9,9-双[4-(3,4-二羧基苯氧基)苯基]芴二酐(BPFDA,II)分别与含芴基二胺单体9,9-双[(4-氨基苯氧基)苯基]芴(BAOFL,a)以及9,9-双[(4-氨基苯甲酰胺基)苯基]芴(FDAADA,b)通过两步化学亚胺化工艺制备了4种不含全氟与多氟烷基物质(PFAS)的含芴型聚酰亚胺(PI),包括PI-Ia(BPAF-BAOFL)、PI-IIa(BPFDA-BAOFL)、PI-Ib(BPAF-FDAADA)和PI-IIb(BPFDA-FDAADA),并采用溶液加工工艺制备了相应的PI薄膜。结果表明:PI树脂在N-甲基吡咯烷酮(NMP)、N,N-二甲基乙酰胺(DMAc)、环戊酮(CPA)等极性有机溶剂中均具有良好的溶解性。芴基的引入赋予了PI薄膜良好的耐热稳定性,玻璃化转变温度(Tg)超过298℃。基于BAOFL的PI-Ia与PI-IIa薄膜显示出低介电特性,在10 GHz频率下的介电常数(Dk)介于2.87~3.20,而介电损耗因子(Df)介于0.006 6~0.012 3。基于FDAADA的PI-Ib与PI-IIb薄膜由于极性酰胺键(-CONH-)的引入显示出较高的Dk与Df值,但同时表现出更优的高温尺寸稳定性,其线性热膨胀系数(CTE)低至38.9×10-6 K-1。
, authors=王睿轩
1, 郎继甲
1, 王晓涵
2, 李端怡
1, 任茜
1, 王振中
1, 刘金刚
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王睿轩(2003-),男(汉族),甘肃白银人,硕士生,主要从事高性能聚酰亚胺薄膜的研究
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刘金刚(1973-),男(汉族),内蒙古赤峰人,教授,博士,主要从事高性能高分子材料的基础与应用研究。
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1School of Materials Science and Technology, China University of Geosciences, Beijing 100083, China
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1, 3, *, address=
1中国地质大学(北京) 材料科学与工程学院,北京 100083
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1School of Materials Science and Technology, China University of Geosciences, Beijing 100083, China), AuthorCompanyExt(id=1304921804003369947, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921713897137063, companyId=1304921803986592729, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1中国地质大学(北京) 材料科学与工程学院,北京 100083)]), AuthorCompany(id=1304921804078867420, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921713897137063, xref=2, ext=[AuthorCompanyExt(id=1304921804087256029, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921713897137063, companyId=1304921804078867420, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2北华航天工业学院 材料工程学院,河北 廊坊 065000)]), AuthorCompany(id=1304921804154364895, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921713897137063, xref=3, ext=[AuthorCompanyExt(id=1304921804162753504, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921713897137063, companyId=1304921804154364895, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3Disan New Materials Research & Development (Sanhe) Co., Ltd., Langfang 065200, China), AuthorCompanyExt(id=1304921804171142113, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921713897137063, companyId=1304921804154364895, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3笛斯安新材料研发(三河)有限公司,河北 廊坊 065200)])], figs=[ArticleFig(id=1304921806654169103, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921713897137063, language=EN, label=Fig.1, caption=
Reaction equation for preparation of PI resins, figureFileSmall=bfzvpDv5pjDZvBUTbOMLMQ==, figureFileBig=h1T68Jkto5NVCM2+OEs1Lg==, tableContent=null), ArticleFig(id=1304921806746443792, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921713897137063, language=CN, label=图1, caption=
PI树脂制备示意图, figureFileSmall=bfzvpDv5pjDZvBUTbOMLMQ==, figureFileBig=h1T68Jkto5NVCM2+OEs1Lg==, tableContent=null), ArticleFig(id=1304921806826135569, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921713897137063, language=EN, label=Fig.2, caption=
Molecular mass (GPC) plots of PI resins, figureFileSmall=DlK9+ii2SUAV97LdgnJwhA==, figureFileBig=/g9ZQbKw07Vu9Ecgu/pL9w==, tableContent=null), ArticleFig(id=1304921806901633042, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921713897137063, language=CN, label=图2, caption=
PI树脂的分子量(GPC)曲线, figureFileSmall=DlK9+ii2SUAV97LdgnJwhA==, figureFileBig=/g9ZQbKw07Vu9Ecgu/pL9w==, tableContent=null), ArticleFig(id=1304921806960353299, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921713897137063, language=EN, label=Fig.3, caption=
XRD spectra of PI resins, figureFileSmall=DNic3yQrsEKyVAT29LvFQw==, figureFileBig=38fJJFsgggcWPEdQgwxCtg==, tableContent=null), ArticleFig(id=1304921807027462164, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921713897137063, language=CN, label=图3, caption=
PI树脂的XRD谱图, figureFileSmall=DNic3yQrsEKyVAT29LvFQw==, figureFileBig=38fJJFsgggcWPEdQgwxCtg==, tableContent=null), ArticleFig(id=1304921807174262805, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921713897137063, language=EN, label=Fig.4, caption=
1H-NMR spectra of PI resins, figureFileSmall=cF0SpQ66ke2tJSIu00J9yw==, figureFileBig=TjxDWYnr9Jg4eWttKTwG2Q==, tableContent=null), ArticleFig(id=1304921807258148886, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921713897137063, language=CN, label=图4, caption=
PI树脂的核磁氢谱(1H-NMR), figureFileSmall=cF0SpQ66ke2tJSIu00J9yw==, figureFileBig=TjxDWYnr9Jg4eWttKTwG2Q==, tableContent=null), ArticleFig(id=1304921807337840663, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921713897137063, language=EN, label=Fig.5, caption=
FTIR spectra of PI films, figureFileSmall=pqyS0Du1/pm5+MMgxpFyDA==, figureFileBig=as7Zl8aX73yufd3oI9RkHw==, tableContent=null), ArticleFig(id=1304921807417532440, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921713897137063, language=CN, label=图5, caption=
PI薄膜的FTIR谱图, figureFileSmall=pqyS0Du1/pm5+MMgxpFyDA==, figureFileBig=as7Zl8aX73yufd3oI9RkHw==, tableContent=null), ArticleFig(id=1304921807484641305, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921713897137063, language=EN, label=Fig.6, caption=
UV-Vis plots of PI films, figureFileSmall=lTidqu2zLYYYsWKq1Q7rWQ==, figureFileBig=0TXBkKmREa6+SesGj2Vl4A==, tableContent=null), ArticleFig(id=1304921807581110298, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921713897137063, language=CN, label=图6, caption=
PI薄膜的UV-Vis曲线, figureFileSmall=lTidqu2zLYYYsWKq1Q7rWQ==, figureFileBig=0TXBkKmREa6+SesGj2Vl4A==, tableContent=null), ArticleFig(id=1304921807677579291, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921713897137063, language=EN, label=Fig.7, caption=
TGA and DTG plots of PI films, figureFileSmall=+ASHoPsCXY9IYpL/p5hkaA==, figureFileBig=B4wLip/hv7R2dbEHAsMaaA==, tableContent=null), ArticleFig(id=1304921807815991324, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921713897137063, language=CN, label=图7, caption=
PI薄膜的TGA与DTG谱图, figureFileSmall=+ASHoPsCXY9IYpL/p5hkaA==, figureFileBig=B4wLip/hv7R2dbEHAsMaaA==, tableContent=null), ArticleFig(id=1304921807870517277, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921713897137063, language=EN, label=Fig.8, caption=
DMA plots of PI films, figureFileSmall=i7D9hMMHGv96RluZRXxs2A==, figureFileBig=xroxUgjzsfPIUtSF3shyqw==, tableContent=null), ArticleFig(id=1304921807946014750, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921713897137063, language=CN, label=图8, caption=
PI薄膜的DMA曲线, figureFileSmall=i7D9hMMHGv96RluZRXxs2A==, figureFileBig=xroxUgjzsfPIUtSF3shyqw==, tableContent=null), ArticleFig(id=1304921808168312863, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921713897137063, language=EN, label=Fig.9, caption=
TMA plots of PI films, figureFileSmall=8Sh1EPBaXHdQ/l9ZeMaMZQ==, figureFileBig=AZo0TpR/KBJn19jL/C5UDw==, tableContent=null), ArticleFig(id=1304921808243810336, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921713897137063, language=CN, label=图9, caption=
PI薄膜的TMA曲线, figureFileSmall=8Sh1EPBaXHdQ/l9ZeMaMZQ==, figureFileBig=AZo0TpR/KBJn19jL/C5UDw==, tableContent=null), ArticleFig(id=1304921808331890721, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921713897137063, language=EN, label=Table 1, caption=
Formulas for the preparation of PI resins
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样品 | BPAF/g, mmol | BPFDA/g, mmol | BAOFL/g, mmol | FDAADA/g, mmol |
|---|
| PI-Ia | 22.921 5, 50 | — | 26.632 0, 50 | — |
| PI-IIa | — | 32.131 0, 50 | 26.632 0, 50 | — |
| PI-Ib | 22.921 5, 50 | — | — | 29.3350, 50 |
| PI-IIb | — | 32.1310, 50 | — | 29.3350, 50 |
), ArticleFig(id=1304921808579354658, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921713897137063, language=CN, label=表1, caption=
制备PI树脂的配方
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样品 | BPAF/g, mmol | BPFDA/g, mmol | BAOFL/g, mmol | FDAADA/g, mmol |
|---|
| PI-Ia | 22.921 5, 50 | — | 26.632 0, 50 | — |
| PI-IIa | — | 32.131 0, 50 | 26.632 0, 50 | — |
| PI-Ib | 22.921 5, 50 | — | — | 29.3350, 50 |
| PI-IIb | — | 32.1310, 50 | — | 29.3350, 50 |
), ArticleFig(id=1304921808646463523, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921713897137063, language=EN, label=Table 2, caption=
Molecular weights and solubility of PI resins
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样品 | 分子量 | 溶解性 |
|---|
| Mn/(×104 g/mol) | Mw/(×104 g/mol) | PDI(Mw/Mn) | NMP | DMAc | DMF | DMSO | CPA | THF |
|---|
| PI-Ia | 18.92 | 27.44 | 1.45 | ++ | ++ | ++ | ++ | ++ | ++ |
| PI-IIa | 6.21 | 11.60 | 1.87 | ++ | ++ | ++ | ++ | ++ | ++ |
| PI-Ib | 3.15 | 6.49 | 2.06 | ++ | ++ | ++ | ++ | ++ | +- |
| PI-IIb | 4.13 | 7.12 | 1.72 | ++ | ++ | ++ | ++ | ++ | ++ |
), ArticleFig(id=1304921808726155300, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921713897137063, language=CN, label=表2, caption=
PI树脂的分子量以及溶解性
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样品 | 分子量 | 溶解性 |
|---|
| Mn/(×104 g/mol) | Mw/(×104 g/mol) | PDI(Mw/Mn) | NMP | DMAc | DMF | DMSO | CPA | THF |
|---|
| PI-Ia | 18.92 | 27.44 | 1.45 | ++ | ++ | ++ | ++ | ++ | ++ |
| PI-IIa | 6.21 | 11.60 | 1.87 | ++ | ++ | ++ | ++ | ++ | ++ |
| PI-Ib | 3.15 | 6.49 | 2.06 | ++ | ++ | ++ | ++ | ++ | +- |
| PI-IIb | 4.13 | 7.12 | 1.72 | ++ | ++ | ++ | ++ | ++ | ++ |
), ArticleFig(id=1304921808818429989, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921713897137063, language=EN, label=Table 3, caption=
Optical properties of PI films
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样品 | λcut/nm | T450/% | nTE | nTM | nav | Δn | L* | a* | b* | 雾度/% |
|---|
| PI-Ia | 373 | 75.7 | 1.673 0 | 1.666 1 | 1.670 7 | 0.006 9 | 94.32 | -4.34 | 11.27 | 1.33 |
| PI-IIa | 374 | 73.0 | 1.6713 | 1.665 9 | 1.669 5 | 0.005 4 | 93.93 | -2.82 | 9.85 | 1.50 |
| PI-Ib | 380 | 55.4 | 1.6908 | 1.677 0 | 1.686 2 | 0.013 8 | 91.90 | -2.35 | 18.21 | 5.11 |
| PI-IIb | 383 | 57.1 | 1.6869 | 1.673 6 | 1.682 5 | 0.013 4 | 91.55 | -2.69 | 20.37 | 2.37 |
), ArticleFig(id=1304921808898121766, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921713897137063, language=CN, label=表3, caption=
PI薄膜的光学性能
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样品 | λcut/nm | T450/% | nTE | nTM | nav | Δn | L* | a* | b* | 雾度/% |
|---|
| PI-Ia | 373 | 75.7 | 1.673 0 | 1.666 1 | 1.670 7 | 0.006 9 | 94.32 | -4.34 | 11.27 | 1.33 |
| PI-IIa | 374 | 73.0 | 1.6713 | 1.665 9 | 1.669 5 | 0.005 4 | 93.93 | -2.82 | 9.85 | 1.50 |
| PI-Ib | 380 | 55.4 | 1.6908 | 1.677 0 | 1.686 2 | 0.013 8 | 91.90 | -2.35 | 18.21 | 5.11 |
| PI-IIb | 383 | 57.1 | 1.6869 | 1.673 6 | 1.682 5 | 0.013 4 | 91.55 | -2.69 | 20.37 | 2.37 |
), ArticleFig(id=1304921808969424935, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921713897137063, language=EN, label=Table 4, caption=
Thermal and dielectric properties of PI films
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| 样品 | Tg,DMA/℃ | T5%/℃ | Td1max/℃ | Td2max/℃ | Rw750/% | CTE/(×10-6 K-1) | Dk | Df | W/% |
|---|
| PI-Ia | 364.5 | 562.7 | 602.5 | 不适用 | 75.2 | 44.0 | 3.20 | 0.012 3 | 1.07 |
| PI-IIa | 298.8 | 527.7 | 590.2 | 不适用 | 66.7 | 53.4 | 2.87 | 0.006 6 | 0.92 |
| PI-Ib | 439.1 | 509.7 | 520.0 | 590.0 | 68.6 | 38.9 | 3.62 | 0.037 5 | 1.66 |
| PI-IIb | 355.9 | 500.7 | 520.1 | 602.6 | 66.4 | 48.1 | 3.33 | 0.021 1 | 1.58 |
), ArticleFig(id=1304921809053311016, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304921713897137063, language=CN, label=表4, caption=
PI薄膜的热性能与介电性能
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| 样品 | Tg,DMA/℃ | T5%/℃ | Td1max/℃ | Td2max/℃ | Rw750/% | CTE/(×10-6 K-1) | Dk | Df | W/% |
|---|
| PI-Ia | 364.5 | 562.7 | 602.5 | 不适用 | 75.2 | 44.0 | 3.20 | 0.012 3 | 1.07 |
| PI-IIa | 298.8 | 527.7 | 590.2 | 不适用 | 66.7 | 53.4 | 2.87 | 0.006 6 | 0.92 |
| PI-Ib | 439.1 | 509.7 | 520.0 | 590.0 | 68.6 | 38.9 | 3.62 | 0.037 5 | 1.66 |
| PI-IIb | 355.9 | 500.7 | 520.1 | 602.6 | 66.4 | 48.1 | 3.33 | 0.021 1 | 1.58 |
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