CAJ | 학술논문

以甲基、苯基氯硅烷和1,4-二(羟基二甲基硅基)苯为原料,采用水解-缩聚法合成了主链含亚苯基的甲基苯基有机硅树脂,并对其结构和性能进行了研究.红外光谱(FT-IR)和核磁共振(~(29)Si NMR)分析表明,亚苯基被成功引入到硅树脂主链中.差式量热扫描(DSC)分析表明硅树脂为均聚物.热失重(TG)结果表明,在N_2氛中,硅树脂在450℃失重约1%,优于普通甲基苯基硅树脂.硅树脂的清漆涂层在300℃下使用时,附着力、抗冲击、柔韧性能仍保持良好.电化学阻抗分析(EIS)结果表明,硅树脂的清漆涂层常温固化后、经300℃的高温烘烤后都具有优良的耐腐蚀性能.
이갑기、분기록규완화1,4-이(간기이갑기규기)분위원료,채용수해-축취법합성료주련함아분기적갑기분기유궤규수지,병대기결구화성능진행료연구.홍외광보(FT-IR)화핵자공진(~(29)Si NMR)분석표명,아분기피성공인입도규수지주련중.차식량열소묘(DSC)분석표명규수지위균취물.열실중(TG)결과표명,재N_2분중,규수지재450℃실중약1%,우우보통갑기분기규수지.규수지적청칠도층재300℃하사용시,부착력、항충격、유인성능잉보지량호.전화학조항분석(EIS)결과표명,규수지적청칠도층상온고화후、경300℃적고온홍고후도구유우량적내부식성능.
The silicone resin with silphenylene units was synthesized using hydrolysis-polycondensation method from 1, 4-Bis(hydroxydimethylsilyl) benzene (BHB) and phenyl and methyl chlorosilane. FT-IR and ~(29)Si NMR analysis proved that the silphenylene units have been incorporated into the polymer of silicone resin which indicated was homopoly-mer by DSC. The thermal properties were investigated using thermo-gravimetric analysis(TG). The TG analysis indicated that this novel had good heat resistance with the onset degradation temperature at 350℃. The analyses of mechanical prop-erties indicated that the shock resistance, adhesion power and flexibility of varnish coating of silicone resin maintained ex-cellently when they were heated at the temperature of 300℃. The electrochemical impedance spectrum (EIS) analysis re-vealed that the varnish coating of silicone resin exhibit good corrosion resistance on the steel surface after cured under room temperature and heated at the temperature of 300℃.