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MER process

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780003
EISBN: 978-1-62708-281-5
... shows much less crystallinity than polypropylene (PP), which has a much smaller side group. Linear polymers have higher crystallinity than branched polymers. Strong dipoles in a mer also generally improve crystallinity. Special processing techniques are often used to produce, increase, or direct...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730099
EISBN: 978-1-62708-283-9
... is commonly called a plastic. The word polymer comes from the Greek poly (meaning many) and mer (meaning parts). Polymers are very large molecules with many repeating parts, or mers. For example, polyethylene is composed of many repeating ethylene mers. It is formed by the reaction: nCH 2...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480001
EISBN: 978-1-62708-318-8
... of contained titanium, 2014 U.S. dollars/lb TiO 2 (a) 1.75 2.94 TiCl 4 1.00 4.00 Titanium sponge 5.44 5.44 (a) Metal grade Titanium extraction processes Table 1.16 Titanium extraction processes Techniques Comments FFC Oxide, electrolytic molten CaCl 2 MER...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780146
EISBN: 978-1-62708-281-5
.... An average molecular weight of 5000 for HDPE can be cited. The terminating ends of a polymer also have different chemical structure than that of the repeating mers. For example, the terminal groups in HDPE and other alkane polymers (saturated hydrocarbons) are methyl (CH 3 ), but the terminal groups...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300301
EISBN: 978-1-62708-323-2
.... Plastics are more correctly termed polymeric materials, but the term polymeric means many mers; a mer is a molecule. The term plastic is used in this chapter to mean polymeric materials that are melt-processible or castable into usable shapes that can be used as members of a tribosystem. A similar...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610327
EISBN: 978-1-62708-303-4
.... A plastic is a polymeric material composed of molecules made up of many (poly-) repeats of some simpler unit, the mer. What all polymers have in common is that they are chemically constructed of repeats of a basic mer unit, which is chemically bonded to others of its kind to form one-, two-, or three...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780115
EISBN: 978-1-62708-281-5
...) 219 (425) Melt-processing temperature, °C (°F) 225–290 (440–550) 180–270 (360–525) 270–325 (520–620) 230–290 (450–550) Specific heat, J/kg · K (cal/g · K) 1670 (0.4) 1260 (0.3) 1670 (0.4) 1670 (0.4) Coefficient of thermal expansion, 10 −5 /K 8.3 10.0 8.0 9.0 Heat-deflection...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550325
EISBN: 978-1-62708-307-2
... in Chapter 8, “Polymer-Matrix Composites,” in this book. A plastic is a polymeric material composed of molecules made up of many (poly-) repeats of some simpler unit, the mer. All polymers are chemically constructed of repeats of the basic mer unit, which is chemically bonded to others of its kind...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.9781627082501
EISBN: 978-1-62708-250-1
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.9781627083195
EISBN: 978-1-62708-319-5
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780028
EISBN: 978-1-62708-281-5
... and polymethyl methacrylate (PMMA), the mers are added randomly. In contrast, the repeat units of isotactic and syndiotactic polymers are ordered. Because the side chains of atatic polymers are randomly oriented as shown in Fig. 5(a) , they inhibit crystallization (as is discussed later in this article...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980141
EISBN: 978-1-62708-342-3
... Behavior of Al Alloys, Hot Deformation of Aluminum Alloys Proc. ( Detroit, MI ), 1990 , p 105 – 120 [Mer 77]: Merk G. and Naess S.E. , Pick-Up Formation on Aluminium Extrusion, Z. Metallkd ., Vol 68 , 1977 , p 683 – 687 [Mie 87]: Mier G. , Verbundstromschienen...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.9781627083003
EISBN: 978-1-62708-300-3
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.9781627083423
EISBN: 978-1-62708-342-3
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.9781627083232
EISBN: 978-1-62708-323-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.9781627083386
EISBN: 978-1-62708-338-6