Commodity plastics acrylic

Phenolics are consumed at roughly half the volume of PVC, and all other plastics are consumed in low volume quantities, mostly in single application niches, unlike workhorse resins such as PVC, phenolic, urea—melamine, and polyurethane. More expensive engineering resins have a very limited role in the building materials sector except where specific value-added properties for a premium are justified. Except for the potential role of recycled engineering plastics in certain applications, the competitive nature of this market and the emphasis placed on end use economics indicates that commodity plastics will continue to dominate in consumption. The application content of each resin type is noted in Table 2. Comparative prices can be seen in Table 5. The most dynamic growth among important sector resins has been seen with phenolic, acrylic, polyurethane, LLDPE/LDPE, PVC, and polystyrene. 

Virtually all thermoplastics and some thermoset most common are commodity plastics such as PVC, PE, PP, and PS others include ABS, nylon, cellulosics, acrylics Several thermoplastics with PE (particularly ND, PE) having the largest volume others include PVC, PP, PS, ABS, acrylics, nylons, acrylonitrile, acetates, and PC PE, (highest volume) PP, PVC together account for almost all plastics used others include a number of engineering thermoplastics, including ABS, acetal copolymers, nylon (6 and 11), polycarbonate Almost all thermoplastics but most commonly used include ABS, PP, PS, PVC polyesters others include acrylics, polycarbonate, cellulosic, nitrile resins... 

Some commodity plastics have low impact strengths. Of course, the impact strength can be strongly increased by blending with other polymers (see also Section 35.3.5.3), which, in the case of the quite brittle poly(styrene), can be achieved by copolymerization, by graft polymerization in the presence of polydienes, or by styrene polymerization in the presence of poly (2,6-dimethyl phenylene oxide.) Poly(vinyl chloride) is also made less brittle by reinforcing with poly(acrylates). 

These thermoplastics have properties which are superior to those of commodity plastics (namely, olefinics and styrenics). They go into a number of engineering applications and are termed engineering thermoplastics. Besides polyamides (nylons) and polyesters, some of the other homopolymers which fall into this category of engineering thermoplastics are the acrylics, acetals and polycarbonates. 

Biodegradable plastic Acrylate polymers, biochemical intermediate Commodity chemical... 

Mayes A M, Acar M H and Gonzalez-Leon J A (2003) Toward commodity plastics by molecular design, Ahstr 285 ACS Natl Meet, New Orleans, LA, USA PMSE-035. Ga5mor S G, Balchandani P, Kulfan A, Podwika M and Matyjaszewski K (1997) Architectural control in acrylic polymers by atom transfer radical polymerization, Polym Prepr ACS 38 496-497. 

Acrylic ESTER POLYMERS Acrylonitrile POLYMERS Cellulose esters). Engineering plastics (qv) such as acetal resins (qv), polyamides (qv), polycarbonate (qv), polyesters (qv), and poly(phenylene sulfide), and advanced materials such as Hquid crystal polymers, polysulfone, and polyetheretherketone are used in high performance appHcations they are processed at higher temperatures than their commodity counterparts (see Polymers containing sulfur). 

Over 70% of the total volume of thermoplastics is accounted for by the commodity resins polyethylene, polypropylene, polystyrene, and poly(vinyl chloride) (PVC) (1) (see Olefin polymers Styrene plastics Vinyl polymers). They are made in a variety of grades and because of their low cost are the first choice for a variety of applications. Next in performance and in cost are acrylics, cellulosics, and acrylonitrile—butadiene—styrene (ABS) terpolymers (see... 

The five large-volume polymeric families that belong to the Commodity resins are polyethyl-enes (PE), polypropylenes (PP), styrenics (PS), acrylics (PMMA), and vinyls (PVC). Their world market share (see Table 1.1) remains relatively stable — they represent 79% of all plastics. 

Five large-volume polymeric groups belong to this category polyethylenes, polypropylenes, styrenics, acrylics and vinyls. Their world market share remains relatively stable — the commodity resins represent 71% of all consumed plastics. 

More recently, in the last 25 years, it has become increasingly apparent that, in addition to the major commodity synthetic plastics, water-soluble commodity and specialty polymers and plastics, such as poly(acrylic acids), polyacrylamide, poly(vinyl alcohol), poly(aIkylene oxides), and even some modified natural polymers, for example, cellulosics and starch, may potentially contribute to environmental problems and should also be targets for biodegradable substitutes. 

Aluminum trihydrate. Aluminum trihydrate is a low-priced commodity that is used at high loadings (up to 50 to 60% on the plastic) as a flame-retardant filler. It is only effective in plastics processed at lower temperatures. Acrylics, polyolefins, PVC, and unsaturated polyesters are the major users. Fully one-third of all ATH is used outside of plastics as a flame retardant in elastomers, carpet backings, and textiles. The... 

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