Modern Plastics Handbook 2011 Part 6 pps

... 3.2 to 6. 4 mm (0.125 to 0.250 in). 1 06 As illustrated in Fig. 5.44, 103 slitters (or trim- mers) are also required to remove the edge bead in many film and sheet 5 .66 Chapter Five 0 267 1 46_ Ch05_Harper ... — 64 75–200 Ͻ900 — 89 150–380 60 0–1520 61 0–1220 114 Ն220 900–1830 915–2290 152 Ն220 1520–3050 1370–3550 203 — — Ն4 065 0 267 1 46_ Ch05_Harper 2/24/00 4:55 PM Page 5 .61 injec...

Ngày tải lên: 11/08/2014, 16:22

... Thermosets 6. 29 0 267 1 46_ Ch 06_ Harper 2/24/00 4:51 PM Page 6. 29 Ahead, Krupp Werner and Pfleiderer, Ramsey, N.J., 1998. 66 . Baird, D. G., and D. I. Collias, Polymer Processing, p. 2 16. 67 . Stevens, ... (f) encapsulated device showing parting line and gate scar. 6. 15 0 267 1 46_ Ch 06_ Harper 2/24/00 4:50 PM Page 6. 15 Transfer molding is often used when inserts are to be “mold...

Ngày tải lên: 11/08/2014, 16:22

... cm 3 /g 0 20 40 60 100 160 100 200 T, °C P (MPa) 1.04 1.10 1.20 1.30 1.40 V , cm 3 /g 0 20 40 60 100 160 Figure 7.55 Graphs of pvT data for amorphous (left) and semicystalline (right) polymer. 0 267 1 46_ Ch07_Harper ... and CAE 7.123 Figure 7 .64 Parts such as these do not possess a midplane and so cannot be analyzed with conventional CAE. Such parts require full 3D FEA analyses. 0 2...

Ngày tải lên: 11/08/2014, 16:22

... Temperatures to Weld Plastics and Plastic Films 17 Plastic Temperature, oF Film Temperature, oF 450 500 550 Coated cellophane Cellulose acetate Coated polyester 200-350 400-500 490 360 390 65 0 65 0 525 415-450 250-375 220-300 300-400 ABS Acetal Phenoxy Polyethylene LD HD Polycarbonate PPO Noryl* Poly( ... hydrochloride Fluorinated ethylene- propylene copolymer 200-400 Polypropylene 400...

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... 1.29–1.40 1.55–1.70 1.27 1.23 HDT, °C 264 lb/in 2 50–85 1 96 225 260 221 21 65 210–227 64 65 66 lb/in 2 115–190 2 16 260 Ͼ 260 268 75 243–249 70 74 1.32 0 267 1 46_ Ch01_Harper 2/24/00 5:01 PM Page 1.32 dry ... 220– 267 220– 267 — 285 212– 265 245– 265 — — Tensile modulus, MPa 1,930–3,000 8, 960 –10,000 — — 2, 760 –4,140 8, 960 –9,930 — — Ultimate tensile strength, MPa 56 60 96 134 124–1...

Ngày tải lên: 11/08/2014, 16:22

... (HMDI) 1 ,6 hexanediol 1 .64 Chapter One 0 267 1 46_ Ch01_Harper 2/24/00 5:02 PM Page 1 .64 105. Ibid., p. 472. 1 06. Ibid., p. 473. 107. Strong, Plastics, p. 190. 108. Brydson, Plastics Materials, 6th ed., ... Plastics Engineering Handbook, p. 65 . 142. Brydson, Plastics Materials, 6th ed., p. 507. 143. Ibid., p. 507 144. Ibid., p. 708. 145. Berins, Plastics Engineering Handboo...

Ngày tải lên: 11/08/2014, 16:22

... most part, lack FDA approval. For this reason, amines are found in pigmented plastics in nonfood applications. Amines are com- 4 .6 Chapter Four 0 267 1 46_ Ch04_Harper 2/24/00 4:57 PM Page 4 .6 330°F ... 2 566 1929 (17 .6) (13.3) Elongation @ break, % 390 340 Hardness Shore A 57 73 *Budene is a registered trademark of Goodyear Tire and Rubber Company. 0 267 1 46_ Ch03_Harper 2/24/00 4:5...

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... (2,2 ,6, 6-tetramethyl-4-piperidinyl) (HALS) N,N-bis(2,2 ,6, 6-tetramethyl-4-piperidinyl)-1 ,6- hexane diamine polymer with 2,4 ,6- trichloro- 1,3,5 triazine and 2,4,4-trimethyl- 1,2-pentanamine 0 267 1 46_ Ch04_Harper ... rate increases rapidly when a suitable catalyst is selected. A 4 .66 Chapter Four 0 267 1 46_ Ch04_Harper 2/24/00 4:57 PM Page 4 .66 4.12.2 Suppliers There are about 40 s...

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... initially, then as part of a planned enhancement at a future date. Auxiliary Equipment: Material Handling 7 .61 0 267 1 46_ Ch07_Harper 2/24/00 4:47 PM Page 61 Figure 7.20 Blender options. 7.39 0 267 1 46_ Ch07_Harper ... 7 .67 Figure 7. 36 This bank of desiccant dryers is part of a central materials handling and conditioning system installed at a plastics molding plant. 0 267 1 46...

Ngày tải lên: 11/08/2014, 16:22

... gauge Twin-sheet 6 ϫ 6 ϫ 6 in 6 in ϫ 3 ft ϫ 6 ft 6 in ϫ 3 ft ϫ 6 ft thermoforming SOURCE: Jordan I. Rotheiser, “The Bigger Picture,” Plastics Engineering Magazine, January 1997. 8.42 0 267 1 46_ Ch08_Harper ... Products 8 .63 0 267 1 46_ Ch08_Harper 2/24/00 4: 46 PM Page 63 Note that there are two ribs in Fig. 8.12. When the part shrinks, multiple ribs create a locking e...

Ngày tải lên: 11/08/2014, 16:22