By Gottfried Ehrenstein, Sonja Pongratz
A polymeric material's resistance to diverse environmental or processing similar affects determines its suitability in any variety of functions. trustworthy info and function predictions effect fabric choice. They take quite a few affects under consideration, between them resin manufacture, compounding, stabilization, processing, half layout and finish use. This ebook is predicated at the evaluate of greater than 1,200 literature resources and represents a complete evaluate of the present knowledge concerning the balance and resistance of thermoplastics, thermosets, elastomers in addition to the main established reinforcements and ingredients. large tables rfile fabric resistance to given media, facilitating acceptable fabric choice or stabilization for a given software.
Read Online or Download Resistance and Stability of Polymers PDF
Similar polymers & textiles books
The assumption for this e-book got here out of the EURESCO convention on excessive functionality Fibers: Euroconference on Fiber Fracture in 2000. the various books which are at present on hand examine varied points of fiber processing, houses, or functions, yet none are focussed at the fracture behaviour of fibers.
Spectroscopy of Rubber and Rubbery Materials
This publication bargains with the appliance of spectroscopic options for characterisation of chemical and actual constructions in viscoelastic fabrics. the main a part of the ebook is dedicated to recommendations which are the main often used for research of rubbery fabrics. the most goal of this current ebook is to debate a variety of purposes of the spectroscopic suggestions for the research of rubbery fabrics.
Seymour Carraher's Polymer Chemistry, Seventh Edition
As polymer functions proceed to increase past fabrics technological know-how, progressively more scholars and pros process the topic from a number of clinical backgrounds. flexible and trouble-free, Seymour/Carraher's Polymer Chemistry, 7th variation offers an entire source for knowing polymers.
- Tribology of Elastomers, Volume 47 (Tribology and Interface Engineering)
- Polymers for Packaging Applications
- Fundamentals and advances in knitting technology
- Polymer Layered Silicate Nanocomposites (Rapra review reports) (v. 14, No. 7)
Extra info for Resistance and Stability of Polymers
Example text
The plastic will continue to assume its state of equilibrium (although with a significant time lag) because of the thermodynamic momentum still present [28]. Often, the concept of “physical aging” is not used in this strictly limited sense, but rather generally, describing changes in physical structure that occur during the life span of plastics materials.
At this point it should be noted that the aging phenomena of plastics have yet to be explained entirely. There are various reasons for this problem. To begin with, 27 28 1 Principles of Aging the aging behavior of plastics is very complex. Various reactions take place simul taneously, so that the results of many investigations reflect overlapping reactions. Second, degradation is influenced by contamination and degradation products formed during processing. Moreover, isolating primary degradation products is often problematic, so that primary and secondary reaction products are super imposing.
Physical aging processes are processes that involve changes in the structure, the molecular state of order, the ratio of component concentration (in multi-material systems), and/or the external shape and structure or measurable physical properties as long as it does not lead to chemical degradation. , blooming, exudation). , changes are no longer present after melting. At this point it should be noted that the aging phenomena of plastics have yet to be explained entirely. There are various reasons for this problem.