Recycling of Plastic Materials Part 6 pps

... properties of the three matrices Sample E TS EB IS (MPa) (MPa) (%) (J/m) LDPE 180 9 .6 450 470 HDPE 580 23.2 66 0 750 RPE 500 10.1 350 450 Because of the presence in the wastes of about 10% of inks, ... 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 viabil...

Ngày tải lên: 12/08/2014, 00:20

... 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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... 43% of gross revenue in 1 969 , 60 % in 19 76, and 56% in 19 86 at prevailing metal prices for those years. 3 PRESENT RECOVERY PRACTICE A discarded vehicle may first be stripped of resaleable parts ... procedure: 1 36 Processing of Mixed Plastic Waste Table 10 Properties of PP recycled from floor covering Property Method Units Recycled material Tensile strength ASTM D638 MPa 8.4...

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... modulus 30, 35, 36, 51, 89, 95, 125 electrostatic separation 103 elongation 30, 35, 36, 50, 68 , 70, 88, 89, 90, 93, 94, 96, 119, 121, 125, 1 26 ESCA 162 esterification 4 EVA 63 , 68 extrusion index ... 179 Q quality assurance 1 76, 182 quality loop 177 R re-use after modification 2, 6 reactive coupling 164 rear shelf 137 rheology 42, 43, 66 rigidit 55 road surfaces 153 roofing...

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... 59 Introduction 59 Recycling of Urban Plastic Wastes 60 Experimental 62 Materials 62 Procedures and Utilities 62 Results and Discussion 64 Identification of Polymers Present in the Film Plastic Wastes and ... 26 i Matrix Modification 165 Ground Rubber Tire and Recycled Plastics 167 Conclusions 168 References 169 Quality Assurance in Plastics Recycling by the Exampl...

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... Brit. Pat. 1,4 86, 409 (1977) to Agfa-Gevaert. J. Tempels, Brit. Pat. 1,432,7 76 (19 76) to Agfa-Gevaert. 8. W. Fisher, US Pat. 2,933,4 76 (1 960 ) to du Pont. 9. J. Burke, in Plastics Recycling as a ... 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 econo...

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... 250. 42 Recycling of Plastics from Urban Solid Wastes 6. D. Curto, A. Valenza, and F. P. La Mantia, J. Appl. Polym. Sci., 39, 865 (1990). 7. F. P. La Mantia and D. Curto, Polym. Deg. Stab., 36, 131 ... center of the preform wall, offers a technology of using low cost post-consumer regrind PET bottle resin. • The layer of the melt of reground PET flakes is completely insulated in...

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... 511 19 29* 1 36* Mix 4 60 7 20 24 200 Mix 5 2 56 - - 220 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 ... 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 plasti...

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... 3.9 4.0 1% ClPE 3 46 750 16 15.4 3.2 6. 1 1% IMV 245 750 18 21.3 3 .6 5.8 85% none 375 61 0 17 9.2 3.8 3.9 1% EVA 408 700 23 9 .6 3.8 4.0 1% ClPE 3 16 700 14 9.5 2 .6 5.5 1% IMW 2 46 730 24 13.5 2.7 ... Utilities The study of the rheological behavior of wastes and HDPE/LDPE system was carried out using a torque-rheometer. 16 62 Management of Plastic Wastes Table 1 Average c...

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... 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 result of this, ... components and accessories. Because of the advan- tages in design and functionality, plastics are now an indispensable part of any kind of car and the amount of polymers emp...

Ngày tải lên: 12/08/2014, 00:20