Modern Plastics Handbook 2011 Part 5 ppt

... amorphous Processing of Thermoplastics 5. 15 Figure 5. 6 Typical p␯T curves for: (a) amorphous and (b) semicrys- talline polymers. 18 0267146_Ch 05_ Harper 2/24/00 4 :54 PM Page 5. 15 release agent. Mold release ... can be completely amorphous. Processing of Thermoplastics 5. 17 d D Die wall Flow Figure 5. 8 Die swell. 0267146_Ch 05_ Harper 2/24/00 4 :54 PM Page 5. 17 TABLE 4.19 Selec...

Ngày tải lên: 11/08/2014, 16:22

... Agents 4 .54 4. 15 Organic Peroxides 4 .58 4.16 Plasticizers 4.62 4.17 Polyurethane Catalysts 4.66 Chapter 5. Processing of Thermoplastics 5. 1 5. 1 Material Concepts 5. 2 5. 2 Extrusion 5. 18 5. 3 Estrusion ... elongation, % 50 –300 2–4 1.9–2.3 3.1 30–300 2–7 110 330 Specific gravity 1.30–1.38 1.48–1 .54 1. 45 1.41 1.29–1.40 1 .55 –1.70 1.27 1.23 HDT, °C 264 lb/in 2 50 – 85 196...

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... 70 A to 45 D Shore hardness Property 70 A 87 A 45 D Specific gravity, g/cm 3 1.00 0.98 0.97 Tensile strength, lb/in 2 (MPa) 900 1 750 2 150 (6.2) (12) ( 15) Ultimate elongation, % 2 65 380 350 Compression ... set @ 22 h, % 212°F (100°C) 28 39 52 257 °F (1 25 C) 37 48 78 Tension set (%) 10 24 40 Tear strength, pli 73°F (23°C) 1 75 350 440 (79) (177) (227) 212°F (100°C) 52 150 220 (1...

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... Polyester overcoat imide polyimide silicon 200°C 1 05 C 1 05 C 130°C 1 05 C 130°C 155 °C 155 °C 220°C 180°C 180°Cϩ MW 10 MW 2 MW 28 MW 3 MW 29 MW 5 MW 5 MW 16 .……… MW 7 (PROP) (PROP) .……… Analac .……… ... MIL-E -52 72, 4.3 MIL-STD-810, 50 3.1 Thickness (dry film) D 10 05 6181 (Magnetic Gage) 2111, 2121, Fed. Std. 151 , 52 0, 52 1.1 D 1186 6183 (Mechanical Gage) 2131, 2141, 2 151 Visc...

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... the United States continued to decline, to 251 4 in 1997, Plastics Recycling and Biodegradable Plastics 12 .5 0267146_CH_12_HARPER 2/24/00 4:40 PM Page 12 .5 A number of states have instituted grant ... the Environment and Plastics Institute of Canada (EPIC) have Plastics Recycling and Biodegradable Plastics 12. 45 Figure 12.22 Trends in LDPE recycling in the United States. 2, 45...

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... Juarez 53 390 Phone: (52 ) 5 576 55 47 Fax: (52 ) 5 576 55 48 Camara Nacional de la Industria de la Transformacion Ave. San Antonio 256 Col. Empl. Napoles 03849 Mexico D.F. Phone: (52 ) 5 563 3400 ... Industry Apartado 8247 1000 San Jose Phone: (50 6) 55 0961 Fax: (50 6) 55 0961 Cyprus The Cyprus Plastics Processors Association P.O. Box 1 455 Nicosia Phone: ( 357 ) 2 449 50...

Ngày tải lên: 11/08/2014, 16:22

... 193. 14. Brydson, Plastics Materials, 6th ed., p. 52 5. 15. ”Resins ‘98,” Modern Plastics, vol. 75, no. 1, January 1998, p. 76. 16. Brydson, Plastics Materials, 6th ed., p. 52 7. 17. Carraher, ... Brydson, Plastics Materials, 6th ed., p. 50 7. 1 35. Berins, Plastics Engineering Handbook, p. 65. 136. Carraher, Polymer Chemistry, p. 53 3. 137. Johson, S.H., “Polyamide-imide,”...

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... Ͻ100 — — 64 75 200 Ͻ900 — 89 150 –380 600– 152 0 610–1220 114 Ն220 900–1830 9 15 2290 152 Ն220 152 0–3 050 1370– 355 0 203 — — Ն40 65 0267146_Ch 05_ Harper 2/24/00 4 :55 PM Page 5. 61 injection-molding machines. ... Thermoplastics 5. 53 P L Figure 5. 35 Pressure generation along a corotating, fully intermeshing twin-screw extruder. 75 0267146_Ch 05_ Harper 2/24/00 4 :55 PM Page 5. 53...

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... 97. 149. Graham, L., What Is a Mold?, pp. 2–9. 150 . Belofsky, H., Plastics, p. 288. 151 . Berins, M. L., Plastics Engineering Handbook, p. 1 45. 152 . Cincinnati Milicron Vista Sentry—VSX User’s ... II-22. 153 . Graham, L., What Is a Mold?, pp. 4–10. 154 . Rosato, D. V., and D. V. Rosato, eds., Injection Molding Handbook, 2d ed., Chapman and Hall, New York, 19 95, pp. 222–223. 15...

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... components? Throughputs? Auxiliary Equipment: Material Handling 7 .59 0267146_Ch07_Harper 2/24/00 4:47 PM Page 59 7 .5 Bulk Delivery Systems 7 .5. 1 Truck delivery Bulk shipment of resin is accomplished ... should be considered: Auxiliary Equipment: Material Handling 7 .55 Figure 7.31 Bulkhead plate. 0267146_Ch07_Harper 2/24/00 4:47 PM Page 55 1. In addition to performing control funct...

Ngày tải lên: 11/08/2014, 16:22