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首页> 外文期刊>Journal of Applied Polymer Science >Synthesis and Characterization of Epoxy Resin Modified with gamma-Thiopropyl Triethoxy Silane
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Synthesis and Characterization of Epoxy Resin Modified with gamma-Thiopropyl Triethoxy Silane

机译：γ-硫丙基三乙氧基硅烷改性的环氧树脂的合成与表征

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摘要

Organic/inorganic hybrids with 1 to 7% silica contents were synthesized from bisphenol-A and epichlorohydrin by utilizing gamma-thiopropyl triethoxy silane (KH580). The reactive coupling agent KH580 was introduced to epoxy resin to obtain high adhesive strength material for engineering industry. It was hypothesized that the multiple reactive functional silanol group Si-OH of KH580 after hydrolyzing reacted with epoxy resin to increase the shear strength and toughness of epoxy resin. IR spectra indicated that bonded stationary phase was formed. Shear strength of epoxy resin-based composite increased and then decreased after SiO2 content reached 5 wt %; the optimal value was 24.78 MPa. SEM analysis showed that toughness Of SiO2/epoxy resin-based composite also increased and then decreased when the content Of SiO2 is more than 5 wt %.
机译：利用γ-硫丙基三乙氧基硅烷（KH580），由双酚A和表氯醇合成了二氧化硅含量为1％至7％的有机/无机杂化物。将反应性偶联剂KH580引入环氧树脂中，以获得用于工程行业的高粘合强度材料。假设KH580的多反应性官能硅烷醇基Si-OH在水解后与环氧树脂反应以增加环氧树脂的剪切强度和韧性。红外光谱表明形成了键合固定相。 SiO2含量达到5 wt％后，环氧树脂基复合材料的剪切强度先升高后降低。最佳值为24.78 MPa。 SEM分析表明，当SiO 2含量大于5wt％时，SiO 2 /环氧树脂基复合材料的韧性也先升高后降低。

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