Modern Plastics Handbook 2011 Part 7 ppsx

... Books, Boston, 1 972 , p. 222. 114. Strong, A. B., Plastics, p. 295. 115. Ibid., pp. 296–2 97. 116. Petrothene® Polyolefins, p. 84. 1 17. Berins, M. L., Plastics Engineering Handbook, p. 1 17. 118. Wire ... Monitor Cavity Filling Pressure,” ANTEC’ 97, 19 97, p. 3659. 172 . Mueller, N., private correspondence, 1999. 173 . C-Mold Design Guide, p. 144. 174 . Belofsky, H., Plastics: Pr...

Ngày tải lên: 11/08/2014, 16:22

... 3 Plastics Properties and Testing 3.1 Introduction There are two stages in the process of becoming familiar with plastics. The first is rather general and involves ... involves a study of the specific properties of plastics which dictate their applications. Besides the relative ease of molding and fabrication, many plastics offer a range of important advantages ... engineer be aware of t...

Ngày tải lên: 12/08/2014, 01:22

... of 8,200 lb/in 2 ( 57 MPa), a flex- ural strength of 11,000 lb/in 2 (76 MPa), a compressive strength of 40,000 lb/in 2 ( 276 MPa), and a modulus of 2.5 ϫ 10 6 lb/in 2 ( 172 , 375 MPa). And having ... (0. 076 -cm) coating will contain 120 layers of the thin glass flake. Filmglas is glass flake in tiny platelets. The 10- to 18-mesh flake is 78 ␮in (2 ␮m) thick. Glass powder, used as a fille...

Ngày tải lên: 11/08/2014, 14:20

... Affect Drying 7. 71 7. 15 How Dryers Work 7. 72 7. 16 Critical Dryer Components 7. 77 7. 17 Monitoring Drying Conditions 7. 85 7. 18 Drying System Configurations 7. 89 7. 19 Gas or Electric? 7. 93 7. 20 Handling ... Systems 7. 35 7. 7 Regrind Systems 7. 38 7. 8 Material Drying 7. 43 7. 9 Loading Systems 7. 50 7. 10 System Integration 7. 57 vi Contents 02 671 46_FM_Harpe...

Ngày tải lên: 11/08/2014, 16:22

... Active-H amines 02 671 46_CH02_Harper 2/24/00 4:59 PM Page 2.11 374 . Dunkle, “Polysulfones,” p. 200. 375 . Ibid., p. 201. 376 . Berins, Plastics Engineering Handbook, p. 71 . 377 . Dunkle, “Polysulfones,” p. 200. 378 . ... Plastics, p. 171 . 384. Ibid., p. 170 . 385. Billmeyer, Polymer Science, p. 420. 386. Strong, Plastics, p. 172 . 3 87. Brydson, Plastics Materials, 6th ed., p...

Ngày tải lên: 11/08/2014, 16:22

... 350 Compression set @ 22 h, % 212°F (100°C) 28 39 52 2 57 F (125°C) 37 48 78 Tension set (%) 10 24 40 Tear strength, pli 73 °F (23°C) 175 350 440 (79 ) ( 177 ) (2 27) 212°F (100°C) 52 150 220 (11) (66) (104) Brittle ... Temperature—Durometer Hardness Range, Shore 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 (...

Ngày tải lên: 11/08/2014, 16:22

... global consumption of light stabilizers in plastics. Polyolefins, particularly PP, are replacing metals, engineer- Plastic Additives 4. 47 TABLE 4. 17 Major Types of Light Stabilizers Type Representative ... can be completely amorphous. Processing of Thermoplastics 5. 17 d D Die wall Flow Figure 5.8 Die swell. 02 671 46_Ch05_Harper 2/24/00 4:54 PM Page 5. 17 TABLE 4.19 Selected Suppliers...

Ngày tải lên: 11/08/2014, 16:22

... Thermoplastics 5 .77 02 671 46_Ch05_Harper 2/24/00 4:56 PM Page 5 .77 screws are usually not a single piece of metal, but two shafts onto which component screw elements are arranged (Fig. 5.33 72 ). ... counterrotating, fully intermeshing twin-screw extruders. 72 5.51 02 671 46_Ch05_Harper 2/24/00 4:55 PM Page 5.51 Processing of Thermoplastics 5 .75 (a) (c) (b) Material feed Out Water...

Ngày tải lên: 11/08/2014, 16:22

... (see Fig. 7. 23). 7. 40 Chapter Seven, Section One Figure 7. 21 Loss-in-weight blender. 02 671 46_Ch 07_ Harper 2/24/00 4: 47 PM Page 40 Figure 7. 10 Continuous vacuum system. 7. 25 02 671 46_Ch 07_ Harper ... initially, then as part of a planned enhancement at a future date. Auxiliary Equipment: Material Handling 7. 61 02 671 46_Ch 07_ Harper 2/24/00 4: 47 PM Page 61 Figure 7. 20...

Ngày tải lên: 11/08/2014, 16:22

... can provide energy cost savings of up to 70 % (see Fig. 7. 49). Auxiliary Equipment: Drying and Dryers 7. 93 02 671 46_Ch 07_ Harper 2/24/00 4:48 PM Page 93 7. 23 The Injection-Molding Process Injection ... pressure, ∂T ᎏ ∂z ∂ ᎏ ∂z ∂T ᎏ ∂y ∂T ᎏ ∂t ∂T ᎏ ∂x ∂T ᎏ ∂t ΂ ͵ h ϩ h Ϫ ᎏ ␩ z ᎏ dz ΃ 2 ᎏᎏ ͵ h ϩ h Ϫ ᎏ ␩ 1 ᎏ dz z 2 ᎏ ␩ 1 ᎏ 2 ∂T ᎏ ∂z ∂ ᎏ ∂z ␤ ᎏ ␳c p ∂p ᎏ ∂t 1 ᎏ 2 ∂p ᎏ ∂y ∂ ᎏ ∂y ∂p ᎏ ∂x ∂...

Ngày tải lên: 11/08/2014, 16:22