Recycling of Plastic Materials Part 4 ppt

... crystallization peaks of PP and HDPE components of Mix 2 merge 48 Recycling of Plastics from Urban Solid Wastes Figure 7. Optical micrograph of LDPE/HDPE/PP/PS = 63/7/ 24/ 6 blend at 140 o C. Crossed ... about 7% of total waste. The present paper shows the scheme followed in the development of a strategy of study anddetermination of recycling feasibilityof the plastic...

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... 6 Mechanical properties of coextruded films TS (MPa) EB (%) BD (cN) Peeling (cN/m) draw transv draw transv V/Ny 31 28 240 45 0 105 80 R2/Ny 21 23 500 44 0 165 900 Recycling of Post-consumer Greenhouse Polyethylene ... Mechanicalpropertiesofblends.PEPh0/Ny, PEPh 24/ Ny, PEPh48/Ny,andPEPh72/Ny. EXPERIMENTAL Materials The materials used in this work were: virgin polyethylene (V), nyl...

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... 42 Rheological Measurements 42 Density 42 Mechanical Properties 42 Morphology 42 Thermal Analysis 43 Results and Discussion 43 Rheology 43 Density 45 Morphology 45 Crystallization Behavior 48 Mechanical Properties ... during 4 PET Film Recycling Recycling of Plastic Materials Francesco Paolo La Mantia Editor 3 CP ChemTec Publishing composition but made from vi...

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... (1992). 40 . R. Narayan, Kunststoffe, 79, 1022 (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 . H. Pearce, ... in PET-film recycling technologies. The most impor- tant criteria of classification are, first of all, the degree of “purity” of PET-scrap to be handled, and secondly, the...

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... 5.5 1% IMW 246 730 24 13.5 2.7 5.2 50% none 375 522 18 6.3 3.2 3.2 1% EVA 346 610 18 7.3 3.7 3.1 1% ClPE 280 6 04 19 16.0 4. 4 5.3 1% IMW 198 690 17 22.0 5.1 5.9 14% none 1 84 340 12 11.1 4. 8 3.2 1% ... 40 6.2 5.0 wastes none 240 230 12 4. 0 2.6 2.3 1% EVA 300 340 11 3.5 2.5 2 .4 1% ClPE 251 300 11 6 .4 2.1 4. 4 1% IMW 228 330 12 5.2 2.0 3.5 The first step of separation of p...

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... 500 48 0 200 300 290 70 MPW = 25% E (MPa) 370 340 640 40 0 40 0 640 TS (MPa) 8.5 10 21 8 8.5 19 EB (%) 50 25 15 7 5 5 IS (J/m) 40 0 300 100 140 140 40 conditions must ensure a good dispersion of the ... impact strength value. The failuremodeof the wastes is similar tothatof the matrix. 80 Management of Plastic Wastes Figure 21. Results of the ROI for economic study of viabili...

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... 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 plastics waste which is often contaminated ... exceeding 1%. Aim of this paper is to present the more recent technologies of automatic sepa- ration of plastic items. A brief paragraph on a typical recycling...

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... P. Ferranti and G. L. Ferrero, Elsevier, London, pp. 44 1 -44 3, 1985. 2. C. Klason and J. Kubát, Sw. Patent and Eur. Pat. Appl. 810 744 4-5,US4,559,376. 3. C. Klason, J. Kubát, A. Mathiasson, M. ... large number of plastics used and the disproportionately high costs in the dismounting of thedifferent plastic pieces of acar have a negative impact on the recycling process. As a resu...

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... changes in the costs of disposal ofthenon-metallicresidues,but they are known to be rising rapidly. 142 The Use of Recyclable Plastics in Motor Vehicles TPO BASED MATERIALS Thermoplastic Elastomers ... 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 adhesives. This process can eliminate problems of...

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... 21.0 13.9 34 5.0 14. 9 7.9 47 12.0 12.9 7 .4 43 20.0 11 .4 6.8 40 *LDPE to cross-linking of the PEphaseby residual initiator. In fact, spray coating ofthe GRT surface with low concentrations of a peroxide ... cost of DM 45 /hthis implies some DM 4. 2for recovery of a fuel tank yielding 3.8 kg of HDPE with, at a price of about DM 1.8/kg for secondary HDPE, a nominal value...

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