Synthesis of novel trifunctional epoxy resins and their modification with polydimethylsiloxane for electronic application

Lin, Lieh-Li; Ho, Te-Wei; Wang, Chun‐Shan

doi:10.1016/s0032-3861(96)00713-6

Cited by 82 publications

(49 citation statements)

References 13 publications

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“…[11][12][13][14] Tri(hydroxyphenyl)methane is being used in the preparation of polyglycidyl ethers. 15 Derivatives of tri(hydroxyphenyl)methane are used as photosensitizer 16 particularly in color filter array for liquid crystal display device. 17 In an attempt to replace the conventional catalysts with eco-friendly catalysts, in this work, polyaniline-p-toluenesulfonic acid salt was used as polymeric solid acid catalyst in the preparation of tri(hydroxyphenyl)methane.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of tri(hydroxyphenyl)methane using polyaniline‐p‐toluenesulfonic acid salt

Palaniappan

Sudhakar

2007

J of Applied Polymer Sci

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Section: Introductionmentioning

confidence: 99%

Synthesis of tri(hydroxyphenyl)methane using polyaniline‐p‐toluenesulfonic acid salt

Palaniappan

Sudhakar

2007

J of Applied Polymer Sci

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“…Also noteworthy, the IId-12AS had lower CTE than the unmodified IId, and the effect was similar to the results in our previous report. 17 However, when the content of ATPDMS was increased to 20 wt %, the CTE of IId-20AS became higher than that of IId-12AS.…”

Section: Coefficient Of Thermal Expansion (Cte)mentioning

confidence: 94%

Synthesis and modification of a naphthalene-containing trifunctional epoxy resin for electronic applications

Wang

Lee

1998

J. Appl. Polym. Sci.

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A series of trifunctional epoxy resins were successfully synthesized by the condensation of 2,6-dimethylol-4-methylphenol with phenol , cresol, 2,6-dimethylphenol or 2-naphthol, respectively, followed by epoxidation with a halohydrin. The structures of the synthesized triphenols were characterized by elemental analysis (EA), mass spectrometry (MS), and nuclear magnetic resonance (NMR) spectrometry, including 1 H-NMR and 13 C-NMR. The resulted epoxy resins were cured with 4 -4Ј-diaminodiphenyl sulfone (DDS), and the cured products were investigated. The cured trifunctional 2,6-bis-(2-glycidyloxy-1-naphthyl-methyl)-4-methyl phenyl glycidyl ether had the highest glass transition temperature, highest thermal stability, the lowest coefficient of thermal expansion, and lowest moisture absorption of the epoxy resins studied. The internal stress of cured naphthalene-containing epoxy resin was reduced by modification with 12 wt % amino-terminated polydimethyl siloxane (ATPDMS), while the glass transition temperature was only slightly depressed. Phase separation of the silicone rubber-modified epoxy matrix was characterized by SEM.

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“…The corrosive resistance of Q235 was improved by using anti-corrosion coating commonly [2]. The ethoxyline resin is considered to be a promising material due to their excellent mechanical properties and chemical resistance, easy crosslinking and curing to make film strong compactness, high adhesion [3][4][5][6][7]. The research of H. Abd El-Wahab et al [8] showed that a certain amount of polyamide can short the curing time of epoxy asphalt coating and the water resistance of coatings was also improved.…”

Section: Introductionmentioning

confidence: 99%

Corrosive Behavior Study of Q235 Steel Coated with Epoxy Composites in Substation Environment

Li¹,

Jin²,

Chen³

et al. 2017

Proceedings of the 2016 International Forum on Mechanical, Control and Automation (IFMCA 2016)

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Abstract. In this work, the epoxy composite coating composited by zinc rich epoxy primer and silver epoxy enamel, was sprayed on the surface of Q235 steel. The anticorrosion of as-prepared samples in substation environment with atmospheric exposure for 18 months, and in 5% NaCl aqueous solution for 250 days were evaluated and compared, respectively. Electrochemical impedance spectroscopy (EIS) was employed to analyze the corrosive behavior of epoxy composite coating in 5% NaCl aqueous solution, the weather resistance and salt resistance were also evaluated. Additionally, the structure changes of epoxy composite coating induced by salt immersion and atmospheric exposure were characterized by fourier transform infrared (FT-IR). The results are demonstrated that the epoxy composite coating is corroded to be invalid after immersed into 5% NaCl aqueous solution for 250 days, which the impedance decreases from 3.967×10 9 ·cm 2 to 9.780×10 2 ·cm 2 . The mechanism of corrosion is proposed that the corrosive medium gradually penetrate into the composite coating to form micro electric circuit through micro pores, resulting in the increase of porosity and corrosive rate for the composite coating. However, the impedance of epoxy composite coating in substation environment for 18 months is still 2.708×10 6 ·cm 2 , indicating the good corrosion resistance.

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Synthesis of novel trifunctional epoxy resins and their modification with polydimethylsiloxane for electronic application

Cited by 82 publications

References 13 publications

Synthesis of tri(hydroxyphenyl)methane using polyaniline‐p‐toluenesulfonic acid salt

Synthesis of tri(hydroxyphenyl)methane using polyaniline‐p‐toluenesulfonic acid salt

Synthesis and modification of a naphthalene-containing trifunctional epoxy resin for electronic applications

Corrosive Behavior Study of Q235 Steel Coated with Epoxy Composites in Substation Environment

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