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实验 5 热塑性塑料熔体流动速率( MFR )测定 PowerPoint PPT Presentation


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实验 5 热塑性塑料熔体流动速率( MFR )测定. 1.1 实验目的. 通过本实验使学生了解塑料熔体流动指数与分子量大小及其分布的关系,熟悉测定塑料熔体流动指数的原理及操作。. 1.2 实验内容. 利用熔体流动速率测定仪,测定等规聚丙烯的熔体流动速率值。. 1.3 基础知识.

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实验 5 热塑性塑料熔体流动速率( MFR )测定

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5 mfr

5 MFR


5 mfr

1.1


5 mfr

1.2


5 mfr

1.3

  • (MFR)10min(g/10min)()MFR


5 mfr

51


5 mfr

  • ()51(231g)(94g)325g1200g2160g5000g

  • (2.095O0.005) mm(1.1800.010)mm

  • (8.0000.025)mm

  • 160mm(9.550.025)mm

  • 400127mm0.5

  • (1mg)1(0.1s)


5 mfr

51MFR


5 mfr

52


5 mfr

1.4

15115minMFR52(0.1g)

24min


5 mfr

31min510mm()52

4

5(1mg)10


5 mfr

1.5

ts


5 mfr

1.6

  • 18

    18

  • MFRg/10minwgtmin


5 mfr

1.7

1.1402

2.

3.

4.


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