废旧塑料废旧塑料 新疆塑料协会 李显贵 2015-12-9 简易鉴别 回收 再生与利用技术 ’2014 塑料节水设施企业质量技术研修班.
3 、塑料材料 Plastics
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Transcript of 3 、塑料材料 Plastics
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3.1 201863-1944)1909
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3.1 Tg
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3.1
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3.1
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3.1 +
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3.1
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3.2 Plasticizer
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PVC 3.2
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(1) (2) 3.2
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3.2
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3.2
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3.2
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>350 >1000 3.2
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( ) 3.2
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Antioxidant 3.2
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3.2 R R RRR RO RORRO RO ROORRO2 RO2 R HO ROHRO2 R ROOR
- >1mm 1mm 30
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: ROOH3.2
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3.2
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R1R2 =
R1= R2=3.2
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3.2
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3.1
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RO2 3.2
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3.2
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(2)
RO2
3.2
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(1)
3.2
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Flame retardant 3.2
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3.2
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3.2
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3.1 3.2
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R O2 RO2RO2 RH ROOH R ROOH RO HO2ROOH ROO RO + H2O R R RRRO RO ROORRO2 RO2 ROOR O2R HO ROH3.2
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3.2 3.2
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1g13.3 3.2
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3.4 3.2
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3.5 3.2
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3.6 3.2
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3.7 3.2
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3.8 3.2
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LOI3.9 (LOI) 3.2
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3.2 COCO2 HCl HFHCNNH3SO2COCl2
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3.11 3.2
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3.2 3.13
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3.2
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3.2 ()()
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3.2
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3.2
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3.2 HOO H O2 Sb2O3 SbOXSbX3 SbOXSbX3 -
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3.2
H2OO2
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3.2 PO H HO
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3.2 Al(OH)3Mg(OH)2 O2
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3.2
(2ZnO3B2O37H2O2ZnO3B2O33.5H2O)
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3.2 3.14
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3.2 3.15
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3.2 PVC
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3.3 3.16
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3.3 3.16 ()
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3.3 3.16 ()
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3.3 3.17
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Polyethylene PE LDPEHDPELLDPEUHMWPE PE 3.4
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LDPE HDPE LLDPELDPE3.4 LDPEHDPELLDPE
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PE PE 55% PE 3.4 Tg = -125
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3.18 PE3.4
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3.4
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3.19
LDPEHDPELLDPEUHMWPE /gcm-30.91~0.920.94~0.960.91 ~ 0.920.92 ~ 0.94 / 105 ~ 115131~137122 ~ 124135 ~ 137 / MPa7 ~ 1521 ~ 3715 ~ 2530 ~ 50 / kJ/m280 ~ 9040 ~ 70> 70> 100 / 50787595
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Heat Distortion Temperature
3.4 1.82MPa0.46MPa2/min5/min
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Melt Flow Index 10 min g/10min
3.4 MFI
2160g 9.544 mm 2.095 mm 8 mm
MFI HDT
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HDPE < LLDPE < LDPE 3.4 PE HDTHDPE LLDPE LDPE MFI HDT
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MFIHDPE LLDPE LDPE HDPE < LLDPE < LDPE 3.4 1 1016 cm
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MFI MFI : LDPE HDPE LDPE HDPE 3.4
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PE PE 3.4 PEPE
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3.4
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3.4
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A B C3.4
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UHMWPE UHMWPE UHMWPE7080 UHMWPE3.4 >100 , 700 HDPE UHMWPEHDPE HDPE
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UHMWPE
3.4
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UHMWPE UHMWPE 3.4
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polytetrafluoroethylenePTFE 1950PTFE Teflon :2.142.20g/cm33.5
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PTFE 3.5
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91s22s22p53.5 -
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3-20 CF3.5
C-XC-X / nmC-X /kJ mol-1CC0.153345.8CSi0.189301.4CF0.142485.7CCl0.177339.1
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F CF F CCCH3F CF 0.142nm CF4 CF 0.136nm CC 0.147nm CC 0.154nm3.5
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3-21 3.5
/ /H1.2N1.5F1.35Cl1.8O1.4CH32.0
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3.5 PTFE
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F=0.066nm C-C=0.147nm 3.5 FCC
F
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FPTFE FCC CF PTFE3.5
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PTFE
55759397 320345 3.5
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PTFE 3.5 PTFEPTFE1234
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PTFE 3.5 C-FFC-C12
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PTFE 3.5 -195 250 300 PTFE 0 PTFE
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PTFE
3.5
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PTFE3.5
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PTFE PTFE PTFE PCTFE PFA FEP - E-CTEF3.5 PTFE PTFE
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800 3000 nm 55% 400 800 nm 40% 200 400 nm 5% 3-22 167418kJ/mol C-F 485.7kJ/mol
/ nm /kJ /mol200598.3300399.5400299.3
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PMMAPEPSPUEP
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3.1 S0() S1() T1
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() ()
100290 100290