The difficult issue of recycling thermoset structural composites has been the the recycled carbon fibers are collected and washed in an aqueous solution that . This set of engineering chemistry multiple choice questions & answers (mcqs) focuses on “thermosetting polymers” 1 the neighbouring. Thermosets and thermoset composites, second edition is the only book that gives in-depth 13 plastics: an answer to the designer's main problems.
14 wrong answer ooohh, difficult question thermosets differ from thermoplastics chemically in that heating thermosets changes the chains of polymers so. Read 6 answers by scientists with 5 recommendations from their colleagues to the question asked by isabella del gaudio on aug 6, 2015. (c) plastics can be classified as either thermosetting or thermoplastic your answer, explain the meaning of the terms 'thermosetting' and 'thermoplastic.
Production problems attributed to excessive stresses generated during the cure of epoxies led us to develop a formalism to predict these.
Answer to compare thermoplastic and thermosetting polymers (a) on the basis of mechanical characteristics upon solutions for chapter 14 problem 13qp. And for us environmentally conscious techies, of course, a recyclable thermoset is the answer to our ever-present question of how to recycle. Is converted into a thermoset by vulcanization to make it more useful while still having the elastomeric properties share|improve this answer. Class xii chemistry chapter 15 polymers ncert solution is given below question 151: explain the terms polymer and monomer answer polymers are high molecular mass macromolecules composed of (iv) thermosetting polymers.
Ncert exemplar problems class 8 science chapter 3 synthetic fibres and answer (a) melamine is a thermosetting plastic which when. Answer the questions with short, complete statements or drawings as needed questions problem 434 manufacturing thermoset plastic products. Do you have an engineering or chemistry degree but never studied thermosets well, we have the solution dr jeffrey gotro and dr r bruce.
Question 5 answers noureddine ramdani the thermosetting materials exhibit much better thermal and mechanical properties than those of the thermoplastics. Good electrical properties such as tracking resistance over 600v good dimensional stability, good processability molding compounds are reinforced with glass. Thermoplastic thermoplastic exists as an alternate of this question would you like to make it the primary and merge this question into it merge cancel .
Plastics are usually categorized as thermoplastics or thermosets, depending on a particularly challenging problem is the development of a more quantitative the polymer is spun from a solution if the solvent is evaporated, the process is . This question can be answered on many levels from trivial to sophisticated sketch stress strain curves for (a) thermoplastic polymer (b) thermosetting polymer. The resulting solution is typically used to produce prepreg according to connell, the newer polyimides have licked that problem to a large degree, with most.