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转矩流变仪实验

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转矩流变仪实验. 1. 实验目的要求 了解转矩流变仪的基本结构及其适应范围; 熟悉转矩流变仪的工作 原理及其使用方法; 掌握聚氯乙烯( PVC )热稳定性的测试方法。. 2. 实验原理. 物料被加到混炼室中,受到两个转子所施加的作用力,使物料在转子与室壁间进行混炼剪切,物料对转子凸棱施加反作用力,这个力由测力传感器测量,在经过机械分级的杠杆和臂转换成转矩值的单位牛顿 . 米( N.m )读数。其转矩值的大小反应了物料黏度的大小。通过热电偶对转子温度的控制,可以得到不同温度下物料的黏度。. 3. 实验原材料和仪器设备. 原材料 - PowerPoint PPT Presentation

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  • 1. PVC

  • 2. . N.m

  • 3. PVC 45 DOP 2 2 (BaSt) 0.7 (CaSt) 0.5 0.2

  • 1-2

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  • 4. ( STOPPROGRAM) 10minSTARTSTART

  • 10min

  • 11-3PVC 2 31-3 PVC 5.

  • ( MFR )10min( MI )

  • MFR

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  • 0.231Kg0.094Kg0.325Kg1.200Kg2.160Kg5.000kg2.095 0.005mm1.180 0.010mm160mm9.55 0.025mm ~40012.7~50mm1

  • 11.1801902.16022.0951900.32532.0951902.16042.0951905.00052.09519010.00062.09519021.60072.0952005.00082.09520010.00092.09522010.000102.0952300.325112.0952301.200122.0952302.160132.0952303.800142.0952305.000152.0952750.325162.0953001.200

  • 12346ABS79357111312148111310151623

  • 15min

  • MFR

  • 4min 1min5~10mm2-6

  • 0.001g10%

  • MFRg/10min Wg tmin

  • A B C

  • A B Lbd

    L1802100.540.260250160.240.24031202150.5100.57041252130.5130.595

  • (mm)

    dkr n 1, 2, 3, 4A0.8d0.250.05//B0.8d1.00.05//1, 3Cd0.1/20.22C0.1/0.80.1

  • 3~13mm13mm100.5mm413mm

  • (1) 0.02mm

  • (2) 10% ~ 85%(3)

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  • rN/mm bN/mmGB 1843/1U1/GB 1843/1A1A0.250.058.00.2GB 1843/1B1B1.00.058.00.2

  • (1) bN0.02mm(2) 10% ~ 80%11-1(3) 11-1

  • (4) (5) PNB(6)

  • (1) aiu (kJ/m2) WJ bmm hmm(2) aiN (kJ/m2) WJhmm bNmm

  • (3) s(4) CV%

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  • AD FAFDADmNgf HAHDAD

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  • 12mm15s1s;

  • 6mm5

  • HAHDADA50HA50

  • 1.

  • 2.

  • 3. LDPE DCP ADCA ZnO ZnSt

  • 0.1g 11g 1 1SK-160B 1XLB-D350mm350mm 11601603mm 1 (350300mm ) 1(0.02mm) 1

  • 4.LDPELDPE45g(lg)LDPE(0.1g)12060rpm10min;1203min10min34mm10012012

  • 160160mm()(lg)16018010MPa(kgf/cm)1601801012min26min ()100100mm(0.1g)()

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  • PVC

  • SK160B (120120mm)

  • 1PVC500g () 2 PVC 2-3 80PVC 3

  • 1.160 523mm 2 3 423mm12

  • P88-12 1.180 2. 3. 4. 5. PVC

  • 1 2

  • (50)

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  • () 5

  • SK-160B (0250) 2

  • 1 2 (1) (2) 1.5mm (3) 0.5mm45 (4) 1.0mm (5) 50 (6)

  • 3 (1) 5060 (2) 2-31.5rpm (3) (4) (5)

  • 4 160mm X 120mm X 2mm160mm x 120mm X 2mm (1) ; (2) ; (3) ; (4)

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  • 3. PPHDPE 1 XRZ-400 1 1 1 1 1 34mm3250Hz
  • 4. 10min

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  • 5. 1 2