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环氧树脂的 应用与改性 PowerPoint PPT Presentation


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环氧树脂的 应用与改性. 凡是含有二个以上环氧基的高聚物统称为环氧树脂。 按原料组分而言有双酚型环氧树脂,非双酚型环氧树脂以及脂环族环氧化合物和脂肪族环氧化合物等新型环氧树脂。. 环氧树脂、酚醛树脂及不饱和聚酯树脂被称为三大通用型热固性树脂。它们是热固性树脂中用量最大、应用最广的品种。 环氧树脂中含有独特的环氧基,以及轻基、醚键等活性基团和极性基团,因而具有许多优异的性能。. 与其他热固性树脂相比较,环氧树脂的种类和牌号最多,性能各异。

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环氧树脂的 应用与改性

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  • (1)

    (2)

    (3)

    (4)

    A


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F1


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(2)

(3)

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(1)

(2)

(3)12

(4)

(5)

(6)

(7)80100 200

(8)


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(1)

(2)


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, PI/EP()

,


Pi ep

, PI/EP()

  • (EP)PI/EP()


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  • (PI)(PI)EPEPPI/EPPI/EPPI/EP2


Pi ep1

, PI/EP()

  • PI/EP

    PIPI(PEI)EPEPTgEPTgEP()/Tg(BTDA)4,4,(9-9-)(FBPA)PIEP(TGDDM/DDS/PEI)


Pi ep2

, PI/EP()

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    (BMI)PIPIEPPIEPBMIBMITgBMIEPBMIEPTgBMI


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  • -4,4-(TGD-DM)(DDS)TGDDM/DDS()/]IPN()


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  • A . A ..


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  • . . .

    -Si-O- (445 kJ/mol). -NH 2 , -OH-OR .


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  • . -Si-O-Si- -Si-C- . .


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  • . . .

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  • . . (78) .


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