Recycling of Plastic Materials Part 2 potx

... 179, 5, (19 92) . 40. R. Narayan, Kunststoffe, 79, 1 022 (1989). 41. N. Holy, Chemtech, 26 , (Jan-1991). 42. A. Calders, Technivisie, 156, 8 (Nov-1990). 43. Anon., Mod. Plast., 20 (1), 72 (1990). 44. ... thickness of layers. REFERENCES 1 F. P. Boettcher, ACS Polymer Preprints, 32 (2) , 114 (1991). 2. W. De Winter, Die Makromol. Chem., Macromolecular Symposia No. 57, 25 3 (19 92) . 3....

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... Flakes 22 Quality of the Raw Materials 22 The Trial Processing 24 Trial Results 24 Cost Savings 24 Contamination Aspects 24 Bacteriological Contamination 24 Contamination by Foreign Substances 25 Conclusions ... 123 Introduction 123 Mixed Plastics from Household Waste 123 Plastics from Industrial Sectors 129 Concepts for Car Interiors 131 TPO Based Materials 1 32 Sy...

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... narrowed range of statistically uniform product characteristics. 174 Quality Assurance in Plastics Recycling Figure 2. Parts of an original 12V 44Ah lead-acid battery with a casing made of polypropylene. • ... be a subject of considerable seasonal fluctuations as it is for exam- ple the case of used batteries. Continuous operation of the recycling process 1 72 Quality Assura...

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... 3 Mechanical properties of polyethylene/nylon blends Sample E (MPa) TS (MPa) EB (%) IS (J/m) V/Ny 700 30 140 110 R1/Ny (extr) 800 25 30 120 R2/Ny (extr) 1000 30 10 125 R2/Ny (mix) 120 0 46 25 135 Table 4 Elongation ... ratio of 50 and a blow up ratio of 2 for all the blends. F.P. La Mantia and D. Curto 31 Table 2 Raw materials Sample Supplier M w M w /M n Gel % V Enichem Polim...

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... CF 1 82 n.b. n.b. n.b. LDPE EF 21 6 n.b. n.b. n.b. HDPE 1035 196* 21 2* 26 8* PP 1143 4 24 33 PS 1709 44 53 72 Mix 1 22 3 58 n.b. n.b. Mix 2 273 31 78* n.b. Mix 3 511 19 29 * 136* Mix 4 607 20 24 20 0 Mix ... 25 6 - - 22 0 Mix 6 3381 - - 56 n.b. = no break *partially broken 46 Recycling of Plastics from Urban Solid Wastes Figure 4. SEM micrograph of cold fractured surface...

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... 164 28 0 11 40 6 .2 5.0 wastes none 24 0 23 0 12 4.0 2. 6 2. 3 1% EVA 300 340 11 3.5 2. 5 2. 4 1% ClPE 25 1 300 11 6.4 2. 1 4.4 1% IMW 22 8 330 12 5 .2 2.0 3.5 The first step of separation of plastic wastes ... 4.8 3 .2 1% EVA 173 340 12 14.0 5 .2 2.9 1% ClPE 158 370 12 22. 1 7.6 4.0 1% IMW 163 500 12 26.0 6.8 4.9 0% none 151 21 2 10 ∞∞∞ 1% EVA 155 150 9 ∞∞∞ 1% ClPE...

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... (MPa) 27 0 26 0 620 28 0 300 620 TS (MPa) 9 10 22 9 9.5 20 EB (%) 150 110 50 25 20 20 IS (J/m) 500 480 20 0 300 29 0 70 MPW = 25 % E (MPa) 370 340 640 400 400 640 TS (MPa) 8.5 10 21 8 8.5 19 EB (%) 50 25 ... York (1976). 23 . L. A. Utracki, Polym. Eng. Sci., 23 , 6 02 (1983). 24 . C. D. Han and Y. W. Kim, Trans. Sco. Rheol., 19, 24 5 (1975). 25 . D. D. Patterson, Polym....

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... H. R. Skov** Polymer Center, University of Lund, Box 118, S -22 100 Lund, Sweden *Department of Polymeric Materials, Chalmers University of Technology, S-4 129 6 Gothenburg, Sweden **Chemistry Consultants ... Denmark INTRODUCTION Recycling of pure plastics is not difficult from a technical point of view. How- ever, the majority of municipal solid wastes consists, however, of...

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... Polym. Mater., 11, 22 9 (1987). 122 Hydrolytic Treatment of Plastic Waste Containing Paper 5. R. Fornasero, in Sorting of Household Waste and Thermal Treatment of Waste, of organic materials following ... mm, total mass, including runner 25 g, mass of each part 2 g (cylindrical, diameter 25 mm, height 25 mm, wall thickness 1 mm). These rings are normally made of PP. b...

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... (value) kg$kg$kg$ Steel -23 3 - 12. 11 -460 -23 . 92 -565 -29 .38 Cast iron 58 5 .22 -19 -1.71 -1 02 -9.18 aluminium 22 11.97 58 31.55 113 61.47 Red metals e 0.5 0.33 -3 -1.95 -8 -5 .2 Zinc -11 -3.01 -19 -5 .21 -21 -5.76 Lead ... 1.5 2. 0 0.5 PPO 1.0 1.0 0.0 PMMA 2. 9 2. 4 -0.5 Others 6.9 4.9 -2. 0 PU 24 .5 21 .2 -3.3 ABS 10.8 7.4 -3.4 PVC 21 .6 13.3 -8.3 Total 100 100 without adhe...

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