ICCAS OpenIR
Synthesis, characterization and properties of the polysiloxane-based episulfide resin
Lan, Xiaokang1,2; Huang, Wei1; Yu, Yunzhao1
2010-07-01
Source PublicationEUROPEAN POLYMER JOURNAL
ISSN0014-3057
Volume46Issue:7Pages:1545-1556
AbstractThe polysiloxane episulfide resin (PSER) was synthesized through replacement of the oxygen atoms in 13,5,7-tetra-(3-glycidoxypropyl) tetramethylcyclotetrasiloxane (TGCS) with sulfur atoms using potassium thiocyanate (KSCN). It was characterized by FT-IR, (1)H NMR, MS and elemental analysis. The PSER resin was a low viscosity liquid, stable at room temperature. The polysiloxane episulfide resin was very reactive: a mixture of PSER and isophorondiamine gelated in a few seconds at room temperature. When m-phenylenediamine (m-PDA) or 2-ethyl-4-methylimidazole (2E4MZ) was used as curing agent. PSER exhibited higher reactivity compared with the parent polysiloxane epoxy resin. The reaction heat of the PSER resin was much lower in comparison with TGCS. The cured polysiloxane episulfide resin showed higher glass transition temperature and much lower water absorption, while the thermal stability was lower. It was found that methylhexahydrophthalic anhydride (MeHHPA) is not effective for curing the episulfide resin, although it is commonly used for curing epoxy resins. (C) 2010 Elsevier Ltd. All rights reserved.
KeywordEpisulfide Polysiloxane Curing Reactivity Water Absorption
DOI10.1016/j.eurpolymj.2010.04.011
Indexed BySCI
Language英语
WOS IDWOS:000280079300016
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/70798
Collection中国科学院化学研究所
Corresponding AuthorHuang, Wei
Affiliation1.Chinese Acad Sci, Inst Chem, Beijing 10080, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 10039, Peoples R China
Recommended Citation
GB/T 7714
Lan, Xiaokang,Huang, Wei,Yu, Yunzhao. Synthesis, characterization and properties of the polysiloxane-based episulfide resin[J]. EUROPEAN POLYMER JOURNAL,2010,46(7):1545-1556.
APA Lan, Xiaokang,Huang, Wei,&Yu, Yunzhao.(2010).Synthesis, characterization and properties of the polysiloxane-based episulfide resin.EUROPEAN POLYMER JOURNAL,46(7),1545-1556.
MLA Lan, Xiaokang,et al."Synthesis, characterization and properties of the polysiloxane-based episulfide resin".EUROPEAN POLYMER JOURNAL 46.7(2010):1545-1556.
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