Engineering Plastics
نویسندگان
چکیده
منابع مشابه
Cavitation instabilities in plastics and rubber-modified plastics
Spherical void expansion in plastics and rubber-modified plastics is investigated under radial traction conditions. The plastics are modeled as elastic-plastic pressure-sensitive materials and the rubbers are modeled as nonlinearly elastic materials. First, the growth of a spherical void in an infinite plastic matrix is investigated under remote radial traction conditions. The results show that...
متن کاملBiodegradability of Plastics
Plastic is a broad name given to different polymers with high molecular weight, which can be degraded by various processes. However, considering their abundance in the environment and their specificity in attacking plastics, biodegradation of plastics by microorganisms and enzymes seems to be the most effective process. When plastics are used as substrates for microorganisms, evaluation of thei...
متن کاملSemi-aromatic polyesters based on a carbohydrate-derived rigid diol for engineering plastics.
New carbohydrate-based polyesters were prepared from isoidide-2,5-dimethanol (extended isoidide, XII) through melt polymerization with dimethyl esters of terephthalic acid (TA) and furan-2,5-dicarboxylic acid (FDCA), yielding semi-crystalline prepolymers. Subsequent solid-state post-condensation (SSPC) gave high molecular weight (Mn =30 kg mol(-1) for FDCA) materials, the first examples of high...
متن کاملHigh-PV Wear Study of Six High Performance Wear Grade Engineering Plastics
A study was commissioned to examine the wear characteristics of six high performance engineering plastics currently used in tribological applications. The test consisted of a thrust bearing 3 x 3 grid High-PV wear test of each material, which was then extended through increased PV conditions until material failure for the survivors of the 3 x 3 grid. The test materials were Celazole TL-60, PEEK...
متن کاملThe Problems with Plastics
Plastics in the pharmaceutical industry are as ubiquitous as endotoxins. From solution containers to medical devices, plastics are not just commonplace. they are often the best material for the application. Because plastics are formed at very high temperatures that easily destroy endotoxins, plastics should be expected to be endotoxin-free. Unfortunately, the often excessive and usually uncontr...
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ژورنال
عنوان ژورنال: NIPPON GOMU KYOKAISHI
سال: 2007
ISSN: 1884-0442,0029-022X
DOI: 10.2324/gomu.80.297