Plastic engineering applications

The PDL is a series of data books, reference works and practical guides covering plastics engineering, applications, processing, and manufacturing, and apphed aspects of pol5mier science, elastomers and adhesives. 

In some plastic engineering applications the load on the joint is very low, perhaps only the weight of the bonded parts, and so it will not be necessary to pay too much attention to joint design and the shape most easily fabricated can be selected. For higher load joints the joint design will require more careful consideration and testing prior to manufacture. 

J. Erommer, The Potentialfor Applications of Conducting Polymers, 43rd Annual Technical Conference Proceedings, Society of Plastics Engineers, Brookfield, Corm., 1985. 

LUCKETT, F. J., Engineering Design Basis for Plastics Products, HMSO, London (1981) Macdermott, c. p., Selecting Thermoplastics for Engineering Applications, Marcel Dekker, New York and Basel (1984)... 

The acetal resins show superior creep resistance to the nylons but are inferior in this respect, to the polycarbonates. It is to be noted, however, that limitations in the load-bearing properties of the polycarbonates restrict their use in engineering applications (see Chapter 20). Another property of importance in engineering is abrasion resistance—a property that is extremely difficult to assess. Results obtained from various tests indicate that the acetal polymers are superior to most plastics and die cast aluminium, but inferior to nylon 66 (see also Section 19.3.6 and Chapter 18). 

Fluorinated rubbers, copolymers of hexafluoropropylene and vinylidene-fluorides, have excellent resistance to oils, fuels and lubricants at temperatures up to 200°C. They have better resistance to aliphatic, aromatic and chlorinated hydrocarbons and most mineral acids than other rubbers, but their high cost restricts their engineering applications. Cheremisinoff et al. [54] provide extensive physical and mechanical properties data on engineering plastics. A glossary of terms concerned with fabrication and properties of plastics is given in the last section of this chapter. 

One of the key factors which make plastics attractive for engineering applications is the possibility of property enhancement through fibre reinforcement. Composites produced in this way have enabled plastics to become acceptable in, for example, the demanding aerospace and automobile industries. Currently in the USA these industries utilise over 1(X),000 tonnes of reinforced plastics out of a total consumption of over one million tonnes. 

Another method of reducing the quantity of plastics that has been used in certain products is to use engineered plastics with higher performance than the lower-cost commodity plastics. When applicable, this approach permits using less material to compensate for its higher cost. With a thinner-walled construction there could also be additional cost savings, since less processing heat, pressure, and time cycle is required. 

Handbook of elastomers , A.K. Bhowmick and H.L. Stephens Marcel Dekker (1988) Series Plastics Engineering, Volume 19 ISBN 0824778006. This handbook systematically addresses the manufacturing techniques, properties, processing, and applications of rubbers and rubber-like materials. The Handbook of Elastomers provides authoritative information on natural rubbers, synthetic rubbers, liquid rubbers, powdered rubbers, rubber blends, thermoplastic elastomers, and rubber-based composites— offering solutions to many practical problems encountered with rubber materials. 

Honeywell Engineered Applications Solutions is a Honeywell business enterprise that teams Engineering Plastics, Specialty Films and Metal Injection Molding technologies to provide a source for engineered solutions. Honeywell s EAS website supplies a range of technical services and solutions information helpful to the plastics designer. 

One of the special features is the extensive discussion and explanation of the interdependence between polymer structure, properties, and processing. The book contains numerous application-oriented examples and is presented at an intermediate level for both practicing plastics engineers and advanced engineering students. 

Apart from PVC and other commodity plastics, engineering plastics and wood-plastic composites are used for specific advantages corresponding to specific applications. 

K.L. Mittal, ed., Metallized Plastics Fundamentals and Applications, Proceedings oftheFourth Symposium on Metallized Plastics Fundamental and Applied Aspects in Honolulu, Hawaii, May 17-21, 1993, Vol. 43 of Plastics Engineering, Marcel Dekker Inc., New York, 1998. 

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