Degarmo's Materials And Processes In Manufacturing
13th Edition
ISBN: 9781119492825
Author: Black, J. Temple, Kohser, Ronald A., Author.
Publisher: Wiley,
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Textbook Question
Chapter 8, Problem 11RQ
How does increasing the chain length tend to affect the properties of a polymer?
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Chapter 8 Solutions
Degarmo's Materials And Processes In Manufacturing
Ch. 8 - Discuss the terms plastics and polymers. In...Ch. 8 - What are some naturally occurring nonmetallic...Ch. 8 - What are some material families that would be...Ch. 8 - How might plastics be defined from the viewpoints...Ch. 8 - What is the primary type of atomic bonding within...Ch. 8 - What is the difference between a saturated and an...Ch. 8 - What is an isomer?Ch. 8 - Describe and differentiate the two means of...Ch. 8 - What is a mer?Ch. 8 - What is degree of polymerization?
Ch. 8 - How does increasing the chain length tend to...Ch. 8 - In what way are copolymers similar to alloys in...Ch. 8 - Describe and differentiate thermoplastic and...Ch. 8 - Describe the mechanism by which thermoplastic...Ch. 8 - What does it mean when a polymer crystallizes? How...Ch. 8 - What are some of the ways that a thermoplastic...Ch. 8 - What are the four most common thermoplastic...Ch. 8 - Why are thermosetting polymers characteristically...Ch. 8 - How do thermosetting polymers respond to...Ch. 8 - Describe how thermoplastic or thermosetting...Ch. 8 - What are some attractive engineering properties of...Ch. 8 - What are some limiting properties of plastics, and...Ch. 8 - What are some environmental conditions that might...Ch. 8 - What is the most common polymer (accounting for...Ch. 8 - What are some reasons that additive agents are...Ch. 8 - What are some functions of a filler material in a...Ch. 8 - What are some of the more common filler materials...Ch. 8 - What is the function of a plasticizer?Ch. 8 - What is the difference between a dye and a...Ch. 8 - What is the role of a stabilizer or antioxidant?Ch. 8 - How might electrical conductivity be imparted to a...Ch. 8 - What is an oriented plastic, and what is the...Ch. 8 - What are some properties and characteristics of...Ch. 8 - Describe the use of plastic materials as...Ch. 8 - What are some potential benefits of using plastics...Ch. 8 - Describe some of the applications for foamed...Ch. 8 - Provide some examples where plastics have competed...Ch. 8 - What are some features of plastics that make them...Ch. 8 - In a cost comparison, why might cost per unit...Ch. 8 - How has the use of plastics grown in the...Ch. 8 - What kinds of plastics are most easily recycled?Ch. 8 - Why is the recycling of mixed plastics more...Ch. 8 - What are some recycling alternatives for...Ch. 8 - What are some of the natural materials used to...Ch. 8 - What are some of the approaches to producing a...Ch. 8 - What is the unique mechanical property of...Ch. 8 - How can cross�linking be used to control the...Ch. 8 - What is the cause of stress relaxation in...Ch. 8 - What are some of the materials that can be added...Ch. 8 - What are some of the limitations of natural...Ch. 8 - What are some of the common artificial elastomers?Ch. 8 - Prob. 52RQCh. 8 - Prob. 53RQCh. 8 - Prob. 54RQCh. 8 - Prob. 55RQCh. 8 - Prob. 56RQCh. 8 - Prob. 57RQCh. 8 - Prob. 58RQCh. 8 - Prob. 59RQCh. 8 - What kinds of ceramic products are classified as...Ch. 8 - Prob. 61RQCh. 8 - Prob. 62RQCh. 8 - Prob. 63RQCh. 8 - What is the unique feature of piezoelectric...Ch. 8 - Prob. 65RQCh. 8 - Prob. 66RQCh. 8 - Prob. 67RQCh. 8 - What are cermets, and what properties or...Ch. 8 - What are some of the attractive features of a...Ch. 8 - Prob. 70RQCh. 8 - Prob. 71RQCh. 8 - Prob. 72RQCh. 8 - Prob. 73RQCh. 8 - Prob. 74RQCh. 8 - Prob. 75RQCh. 8 - Prob. 76RQCh. 8 - Prob. 77RQCh. 8 - What is a composite material?Ch. 8 - What are the basic features of a composite...Ch. 8 - Prob. 80RQCh. 8 - Prob. 81RQCh. 8 - Prob. 82RQCh. 8 - What are some reasons for creating clad...Ch. 8 - Prob. 84RQCh. 8 - Prob. 85RQCh. 8 - Prob. 86RQCh. 8 - Prob. 87RQCh. 8 - Prob. 88RQCh. 8 - Prob. 89RQCh. 8 - Prob. 90RQCh. 8 - Prob. 91RQCh. 8 - What is the most common matrix material used in...Ch. 8 - Prob. 93RQCh. 8 - What are the attractive features of a...Ch. 8 - Prob. 95RQCh. 8 - Prob. 96RQCh. 8 - Prob. 97RQCh. 8 - Prob. 98RQCh. 8 - Prob. 99RQCh. 8 - Prob. 100RQCh. 8 - Prob. 101RQCh. 8 - Prob. 102RQCh. 8 - What are some of the limitations that might...Ch. 8 - Prob. 104RQCh. 8 - Prob. 105RQCh. 8 - Prob. 1PCh. 8 - Many of the materials presented in this chapter...Ch. 8 - Prob. 4PCh. 8 - Prob. 5PCh. 8 - Prob. 6PCh. 8 - Prob. 7PCh. 8 - Locate a current or recent article describing an...Ch. 8 - The array of medical devices spans a wide range of...Ch. 8 - Use the Internet and other sources to research...Ch. 8 - Prob. 2CSCh. 8 - The US Army helmet has evolved from sheet steel,...Ch. 8 - Prob. 4CS
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- An unknown polymer sample was found to have the following molecular weight distribution: Molecular weight range 8,000 - 20,000 20,000 - 32,000 32,000 - 44,000 44,000 - 56,000 56,000 - 68,000 68,000 -80,000 80,000 - 92,000 0.03 Knowing that the monomer is methyl methacrylate, which of the below is the number average degree of polymerization for this polymer sample? Select one: O a. O b. DP 476 O C. DP = 338 DP = 664 O d. DP 544 O e. DP = 801 Xi 0.05 0.15 0.21 0.28 0.18 0.10 Wi 0.02 0.08 0.17 0.29 0.23 0.16 0.05arrow_forwardwhich is correct? 0.20 , 0.80, 2.00, 0.25arrow_forwardI1arrow_forward
- Why do thermoplastic polymers start to turn white as they are plastically deformed?arrow_forwardPolymer deterioration by swelling may be reduced by which of the following? Increasing degree of crosslinking, increasing molecular weight, and decreasing degree of crystallinity Decreasing degree of crosslinking, decreasing molecular weight, and decreasing degree of crystallinity Increasing degree of crosslinking, increasing molecular weight, and increasing degree of crystallinity Decreasing degree of crosslinking, increasing molecular weight, and increasing degree of crystallinityarrow_forwardBriefly explain how each of the following influences the tensile or yield strength of a semicrystalline polymer and why: (a) Molecular weight (b) Degree of crystallinity (c) Deformation by drawingarrow_forward
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