Lighting, automotive polymers

The C02 thus acts as a substitute for the petroleum production of plastics. Polyurethanes are used to produce a wide range of everyday applications. When they are used for the insulation of buildings, the polyurethane saves about 80% more energy than it consumes during production. Light weight polymers are used in the automotive industry, upholstered furniture... 

Bis (2,2,6,6-tetramethyl-4-piperidinyl) sebacate stabilizer, light auto refinish coatings Benzophenone-12 stabilizer, light automotive prods. 4-(2-Acryloyloxyethoxy)-2-hydroxybenzophenone polymer Benzophenone-12 3,5-Di-t-butyl-4-hydroxybenzoic acid, n-hexadecyl ester stabilizer, light cellulosics Drometrizole 2-(2 -Hydroxy-3,5 -di-t-amylphenyl) benzotriazole 2,4,4 -T ri hydroxybenzophenone stabilizer, light coatings Benzophenone-12 Drometrizole 2-(2 -Hydroxy-3,5 -di-t-amylphenyl) benzotriazole Methyl (1,2,2,6,6-pentamethyl-4-piperidinyl) sebacate 1,2,2,6,6-Pentamethyl-4-... 

Automotive appHcations account for about 116,000 t of woddwide consumption aimuaHy, with appHcations for various components including headlamp assembHes, interior instmment panels, bumpers, etc. Many automotive appHcations use blends of polycarbonate with acrylonitrile—butadiene—styrene (ABS) or with poly(butylene terephthalate) (PBT) (see Acrylonitrile polymers). Both large and smaH appHances also account for large markets for polycarbonate. Consumption is about 54,000 t aimuaHy. Polycarbonate is attractive to use in light appHances, including houseware items and power tools, because of its heat resistance and good electrical properties, combined with superior impact resistance. 

Electrical Properties. Polysulfones offer excellent electrical insulative capabiUties and other electrical properties as can be seen from the data in Table 7. The resins exhibit low dielectric constants and dissipation factors even in the GH2 (microwave) frequency range. This performance is retained over a wide temperature range and has permitted appHcations such as printed wiring board substrates, electronic connectors, lighting sockets, business machine components, and automotive fuse housings, to name a few. The desirable electrical properties along with the inherent flame retardancy of polysulfones make these polymers prime candidates in many high temperature electrical and electronic appHcations. 

Depending on the application, polymers are transparent, opaque, glossy, or matte. Transparent applications range from automotive tail lights and food packaging, to camera and contact lenses. Opaque applications include buckets, kitchenware, and diaper backsheets. We can tailor the surface characteristics of a polymer by the production process to be either glossy or... 

MMA molding and extrusion polymers are used in the automotive industry for control dials, knobs, instrument covers, directional light covers, and tailgate lenses. The last two are probably the largest application of MMA molding powders. 

Foams have a large variety of applications. Solid foams are widely used as insulating materials. Due to the presence of air bubbles they have a low thermal conductivity. Polyurethane foams and Styrofoam are examples. Styrofoam is also used as a packing material. The light weight of polymer foams makes them attractive as filling materials to stabilize otherwise hollow structures. A natural solid foam is pumice stone. Metal foams are used in the automotive and aerospace industry as light and stable materials [567], Ceramic foams are developed for electronic applications as piezoelectric transducers and low dielectric constant substrates [568],... 

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