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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
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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
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15min
MFR
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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
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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)
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4 160mm X 120mm X 2mm160mm x 120mm X 2mm (1) ; (2) ; (3) ; (4)
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