ICCAS OpenIR
Synthesis and Characterization of Benzocyclobutene-Functionalized Photosensitive Siloxane Thermosets
Zuo, Xiaobiao1; Yu, Ruilian1; Shi, Song1; Feng, Zhihai1; Li, Zhongping1; Yang, Shiyong2; Fan, Lin2
2009-11-15
Source PublicationJOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
ISSN0887-624X
Volume47Issue:22Pages:6246-6258
AbstractTwo methylphenylsiloxane monomers with crosslinkable benzocyclobutene functionalities at the terminal positions, 1,1,5,5-dimethyldiphenyl-1,1,5,5-di[2'-(4'-benzocyclobutenyl)vinyl]-3,3-diphenyltrisiloxane (BCB-1) and 1,1,3,3-dimethyl-di-phenyl-1,1,3,3-di[2'-(4'-benzocyclobutenyl)vinyl]disiloxane (BCB-2) were prepared and characterized. By heating the solution of BCB-1 and BCB-2 in mesitylene, two partially polymerized resins of BCB-1B and BCB-2B with high molecular weight were also achieved. The monomers and their oligomers fully cured at temperatures above 250 degrees C. Cured BCB-1 and BCB-2 exhibited high T(g) (257 and 383 degrees C) and good thermal stability (T(5%) > 472 degrees C both in N(2) and in air). They also demonstrated low dielectric constants (2.69 and 2.66), low dissipation factors (2.36 and 2.23), and low water absorptions (0.20% and 0.17%). Moreover, a negative photosensitive formulation derived from BCB-1B in combination with 2,6-bis(4-azidobenzylidene)-4-methylcyclohexanone (BAC-M) as a photosensitive agent has been developed. The photosensitive composition, BCB-1B containing 5 wt % BAC-M, showed a sensitivity of 550 mJ/cm(2) and a contrast of 1.96 when it was exposed to a 365 nm, light (i-line) and developed with cyclohexanone at 25 degrees C. A fine negative image of 10 mu m line-and-space pattern was also printed in a film which was exposed to 700 mJ/cm(2) of i-line by contact-printing mode. The negative image can be maintained without any pattern deformation in the curing process. (C) 2009 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 47: 6246-6258, 2009
KeywordBenzocyclobutene Dielectric Properties Diels-alder Polymers High Performance Polymers Methylphenylsiloxane Oligomers Photopolymerization Photosensitive Water Absorptions
DOI10.1002/pola.23668
Indexed BySCI
Language英语
WOS IDWOS:000271670000030
PublisherJOHN WILEY & SONS INC
Citation statistics
Cited Times:28[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/67978
Collection中国科学院化学研究所
Corresponding AuthorZuo, Xiaobiao
Affiliation1.Aerosp Res Inst Mat & Proc Technol, Natl Key Lab Adv Funct Composite Mat, Beijing 100076, Peoples R China
2.Chinese Acad Sci, Inst Chem, Lab Adv Polymer Mat, Beijing 100091, Peoples R China
Recommended Citation
GB/T 7714
Zuo, Xiaobiao,Yu, Ruilian,Shi, Song,et al. Synthesis and Characterization of Benzocyclobutene-Functionalized Photosensitive Siloxane Thermosets[J]. JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY,2009,47(22):6246-6258.
APA Zuo, Xiaobiao.,Yu, Ruilian.,Shi, Song.,Feng, Zhihai.,Li, Zhongping.,...&Fan, Lin.(2009).Synthesis and Characterization of Benzocyclobutene-Functionalized Photosensitive Siloxane Thermosets.JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY,47(22),6246-6258.
MLA Zuo, Xiaobiao,et al."Synthesis and Characterization of Benzocyclobutene-Functionalized Photosensitive Siloxane Thermosets".JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY 47.22(2009):6246-6258.
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