Coatings of Polymers and Plastics Part 6 pot

... users of polymeric materials. For structural materials, polymers have molecular weights of tens to hundreds of thousands. Materials used in plastics have molecular weights of 121 Polymers for Coatings ... 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 u...

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... V 978 60 100 98 63 60 120 Noryl GTX 910 60 100 100 81 60 1 36 PUR RIM 66 100 94 25 66 124 PUR RRIM 82 100 94 52 82 89 PU RRIM 59 100 93 77 59 113 PU RRIM 96 100 92 53 96 109 TPO 88 99 99 61 88 ... higher modulus grades of TPO (Fig. 9). 5.4 Gouging Gouging of plastic arose with the introduction of soft plastics like TPO. Opera- tors who would roughly handle TPO parts and b...

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... or off-color spots or areas. Damage can occur in many places. Painted parts are exposed to a number of possible scratch and abrasion situations even before they become part of a car, piece of ... layer and bulk of the TPO. 4.4 Stone Chipping Cars and trucks are continually bombarded by stones thrown up by their own tires and those of vehicles in front of them or passing...

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... required for automotive bumper fascias and other components in the impact area of the vehicle. 6 COATING OF POLYCARBONATE AND SOLVENT-SENSITIVE PLASTICS A number of plastics used for automotive exterior ... µm/mK 60 µm/mK Surface tension (not flamed) 25–30 dynes/cm 25/30 dynes/cm Source: Refs. 6 and 7. the molding conditions (speed of cooling). This affects both shrinka...

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... NY 100 16 tel: 212 -69 6-9000; fax: 212 -68 5-4540 Eastern Hemisphere Distribution Marcel Dekker AG Hutgasse 4, Postfach 812, CH-4001 Basel, Switzerland tel: 41 -61 - 260 -63 00; fax: 41 -61 - 260 -63 33 World ... Processing of Ceramics, edited by Burtrand I. Lee and Edward J. A. Pope 9. Handbook of Advanced Materials Testing, edited by Nicholas P. Cheremisinoff and Pau...

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... of producing multiple parts per cycle. For example, a part running on a 60 -second cycle in a single cavity mold will produce 60 parts per hour. If a 16- cavity mold is deployed, on the order of ... strategy. Each process type offers a unique profile of possibilities that makes it well suited for particular types of applications. There are, however, some areas of overlap, and...

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... 29.7 37.7 49 .6 23.4 36. 4 30 28.9 28 .6 Dispersion 20.7 35.7 23.3 18.5 29 24.8 26. 6 26. 5 Polar 9 2 26. 3 4.8 7.4 5.2 2.3 2.1 Surface energy Wu (Erg/cm 2 ) model Total — 38 52.3 28 39 .6 33.3 31.3 ... 0 Surface energy (Egr/cm 2 ) Total 25 .6 33.5 36. 8 39 .6 28 28.5 37.9 Dispersion 22 .6 28.3 28 27 25.4 26. 4 23.3 Polar 3 5.2 8.8 12 .6 2.5 2.1 14 .6 a Injection molded 4 × 6 plaque...

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... containing prepolymers can be prepared to provide even wider formulating and handling latitude. These prepolymers are often based on monomeric or poly- Polymers for Coatings for Plastics 147 meric ... The particu- lar grade and type of plastic being used, its method of manufacturing, the clean- liness of the plastic, the paint component layering and selection, and the appl...

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... catalysis and reaction partners. J Coat- ings Technology 69 ( 868 ):51–57, 1997. 98. T Potter. Chemistry and technology of polyurethane coatings. Proceedings of the 19 96 FSCT International Coatings ... 70(882) :67 – 76, 1998. 60 . G Faoro. Potential reasons for yellowing of coatings over plastic substrates. Proceed- ings of the Fourth International Coatings for Plastic...

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... in Coatings for Automotive Plastics and Rubber 311 F IG .6 Cross-sections of body seals. (Courtesy of Robert Eller Associates, Inc., 2001.) 4.5.3 Role of Colors The use of high concentrations of ... momentum to date. 3.5 Role of the Interior Soft Trim Fabrication Process Soft interior trim typically consists of a three-layer sandwich of skin (or textile), foam, and s...

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