Coatings of Polymers and Plastics Part 3 pptx

... problem; (2) a good understanding of the candidateprocesses; and (3) a logical set of priorities for decision making.The way to take advantage of an in-depth knowledge of processes is toreview ... factors: (1) part size or total projected area; (2) moldstructural requirements; (3) materials of construction; (4) cooling managementneeds; and (5) complexity of the part s geometry. Part size ... strategy.Each process type offers a unique profile of possibilities that makes it wellsuited for particular types of applications. There are, however, some areas of overlap, and many situations exist...

Coatings of Polymers and Plastics Part 5 ppt

... 26.5Polar 9 2 26 .3 4.8 7.4 5.2 2 .3 2.1Surface energy Wu(Erg/cm2) modelTotal — 38 52 .3 28 39 .6 33 .3 31 .3 30.7Dispersion — 31 .3 20 19.1 27.4 23. 3 24.6 24.9Polar — 6.6 32 .3 8.9 12.2 10 6.5 5.8aCompression ... 100 — — —3rd pull — 100 100 — 100 — — —Surface energy WORK(Erg/cm2) modelTotal 29.7 37 .7 49.6 23. 4 36 .4 30 28.9 28.6Dispersion 20.7 35 .7 23. 3 18.5 29 24.8 26.6 26.5Polar 9 2 26 .3 4.8 7.4 ... compositions.Formulating Plastics for Paint Adhesion 99TABLE 3 Very High Surface EnergiesaComposition T 3- 1 T 3- 2 T 3- 3 T 3- 4 T 3- 5PP 70 70 80 — —EPR-1 30 30 — — —RTPO-1 — — — 80 80MAgPP-2 20 20 20 20...

Coatings of Polymers and Plastics Part 6 pot

... users of polymericmaterials. For structural materials, polymers have molecular weights of tens tohundreds of thousands. Materials used in plastics have molecular weights of 121 Polymers for Coatings ... details of the property effects on the minor paint modification and Polymers for Coatings for Plastics 125FIG .3 Structures of methyl methacrylate, phthalic anhydride, butyl acrylate, and fatty ... hundred thousand. On the other hand, polymers used in coat-ings are more likely to be in the range of several thousand to upward of twenty-thousand molecular weight units. Because of this lower...

Coatings of Polymers and Plastics Part 7 pps

... 468ff. 34 . JE Glass. J Coatings Tech 73( 9 13) : 79–98 (2001) 35 . G Odian. Principles of Polymerization. 3 rded. New York: Wiley-Interscience, 1991,ch. 4. 36 . ZW Wicks, FN Jones, SP Pappas. Organic Coatings: ... Solids, and Powder Coatings Symposium, 1995, p. 192.24. Eastman Publications #N 330 C and N 335 . Eastman Chemical Company, Kingsport,TN, 1990.25. G Odian. Principles of Polymerization. 3 rded. New ... H Loffles. Prog Org Coatings, 40(1–4): 93 97, 2000. 32 . DR Bauer, RA Dickie. J Coatings Tech 54(685):101, 1982. 33 . ZW Wicks, FN Jones,SP Pappas. Organic Coatings: Science and Technology. 2nded....

Coatings of Polymers and Plastics Part 8 potx

... flexible and rigid coatings. 3. MECHANICAL PROPERTIES 3. 1 Initial PropertiesThe mechanical properties of coated plastic parts are largely determined througha combination of the paint formulation and ... higher modulus grades of TPO (Fig. 9).5.4 GougingGouging of plastic arose with the introduction of soft plastics like TPO. Opera-tors who would roughly handle TPO parts and bang them together ... Scratch and MarWhile not dramatic, plastic selection can influence the degree of scratch -and- mar damage of a painted part. In many instances, a coating will be softer whenapplied to a soft plastic...

Coatings of Polymers and Plastics Part 9 ppt

... profiling of acrylic/melamine formaldehyde coatings. J Coatings Technology 67(8 43) :29 34 , 1995. 33 . DY Perera. Role of stress on durability of organic coatings. In: RA Ryntz, ed. Plastics and Coatings: ... Electrostatic painting of plastics I: Electrical properties of plastics and primers. J Coatings Technology 63( 8 03) :33 37 , 1991.71. AA Eloursi, DP Garner. Electrostatic painting of plastics II: Electric ... Plastics- Molding and Paintability. Global Press, USA,1998, pp 95–101.6. C Schoff. Wetting and wettability in the painting of plastics. Proceedings of theFourth International Coatings for Plastics...

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Coatings of Polymers and Plastics Part 10 potx

... painting) 40–52 30 –41 5–18 11 35 TPO Bailey 31 83 35 23 12 34 TPO Himont 30 41C (flex) 33 31 2 6TPO Himont 31 31 (inter.) 30 29 1 3 TPO Himont 31 83 (rigid) 38 32 6 16TPU/Estane 39 36 3 8TESLIN PE/Silica ... wiped) 36 –41TPO Bailey 31 83 24TPO Himont 30 41C, 31 31, 31 83 23 24TPU/Estane 23 TESLIN 28Xenoy 1102U polycarbonate/polyester 27Xenoy 2 230 EU 20Source: Refs. 4, 27. 232 Schoffν=(∂γ/∂x) (h/η)where ... 40 30 10 FailedNew black 37 33 4 PassedOld silver 41 31 10 FailedNew silver 40 35 5 PassedRed 42 37 5 PassedUndercoat 42 38 4 —226 SchoffWe are left with two equations in two unknowns and...

Coatings of Polymers and Plastics part 13 pps

... decisivefactors.1 .3 Substrate Type Coatings for both plastics and thermoset rubber are included. Because the inter-face between thermoset rubber and plastics is becoming blurred by the use of 2 93 300 Eller 3. 1 ... in Coatings for Automotive Plastics and Rubber 31 1FIG.6 Cross-sections of body seals. (Courtesy of Robert Eller Associates, Inc.,2001.)4.5 .3 Role of ColorsThe use of high concentrations of ... momentum to date. 3. 5 Role of the Interior Soft Trim Fabrication ProcessSoft interior trim typically consists of a three-layer sandwich of skin (or textile),foam, and substrate. Off-line processes...

Coatings of Polymers and Plastics part 14 pot

... Constant and defined material flow 33 4 Gruner and ReinhartTABLE6 Design of Paint Supply SystemsSolventborne basecoat Waterborne basecoat1. Recommended temper- 23 ± 1°C ( 73 ± 2°F) 23 ± 1°C ( 73 ± ... prevalent and werewidely introduced in the 1990s. Automotive stylists use various techniques todesign the car interior and more and more coated plastics play an important 31 7 33 0 Gruner and ReinhartIn ... tension (not flamed) 25 30 dynes/cm 25 /30 dynes/cmSource: Refs. 6 and 7.the molding conditions (speed of cooling). This affects both shrinkage properties and adhesion of coatings. Shrinkage, depending...

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