49:
484:
monomers are randomly combined to yield a rubbery, stable polymer. By varying the monomer ratios and method by which the monomers are combined different forms of EPM can be formed (with a wide range of
101:
581:
288:
490:
60:
EPR is used in electrical cable insulation, and in many flexible rubber goods such as hoses or weatherstripping.
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381:
346:
239:
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330:
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73:
69:
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139:
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109:
97:
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161:
128:
53:
31:
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610:
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388:(usually referred as HEPR - Hard grade Ethylene Propylene Rubber) since it has improved
501:
494:
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120:
116:
93:
604:
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370:
135:
compounds EPM can remain heat resistant up to 130 °C and up to 160 °C with
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and suited to applications where regular cable movement is required such as in the
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42:
38:
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41:. Since introduction in the 1960s, annual production has increased to 870,000
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34:
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EPM has a large number of uses due to the many ways in which the
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342:
77:
142:. These two tables contain some of the main properties of EPM.
68:
EPM is considered a valuable elastomer due to its useful
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characteristics over more traditional cables, such as
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for the many patents he held for these developments.
96:) and it is also not susceptible to color loss. As a
127:
forms of EPM are flexible at low temperatures (with
579:http://www.iisrp.com/webpolymers/10epdmsep11.pdf
547:http://www.azom.com/article.aspx?ArticleID=1822
131:around -60 °C). Via selection of certain
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420:Major producers and suppliers of EPM include
30:referring to an ASTM standard) is a type of
8:
318:can be designed, for example; it is used in
593:Ethylene-Propylene Rubbers & Elastomers
201:
149:
539:
504:in a controlled manner to maintain an
172:Ethylene content percentage by weight
7:
380:. EPM is even more prevalent as an
180:Diene content percentage by weight
14:
92:(owing to its stable, saturated
464:EPM manufacture uses the same
260:Useful temperature range (°C)
1:
491:amorphous to semi-crystalline
56:of ethylene propylene rubber.
367:plastic impact modification
37:that is closely related to
16:Type of synthetic elastomer
627:
554:Ethylene Propylene Rubbers
371:thermoplastic vulcanisates
343:garden and appliance hoses
394:cross-linked polyethylene
20:Ethylene propylene rubber
595:, Thursday 19 April 2012
556:, Thursday 19 April 2012
584:1 November 2013 at the
404:carrying capacity. The
363:rubber mechanical goods
129:glass transition points
529:Charles Goodyear Medal
331:self-amalgamating tape
298:Electrical properties
57:
396:, enabling a smaller
378:additive applications
76:; it is resistant to
51:
514:polymer modification
506:unsaturated backbone
422:Crompton Corporation
398:cross sectional area
100:compound, EPM is an
386:high-voltage cables
279:Abrasion resistance
102:electrical resistor
74:physical properties
26:, sometimes called
527:received the 1979
525:Francis P. Baldwin
487:Mooney viscosities
335:glass run channels
146:Polymer properties
58:
454:Sumitomo Chemical
406:cable is flexible
355:roofing membranes
323:weather-stripping
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306:
218:Shore A durometer
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196:
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489:); ranging from
446:Mitsui Chemicals
359:expansion joints
229:Tensile strength
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189:Specific gravity
162:Mooney viscosity
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54:skeletal formula
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586:Wayback Machine
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500:monomer can be
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410:mining industry
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269:Tear resistance
250:Compression set
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164:at 125 °C
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12:
11:
5:
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502:terpolymerized
495:non-conjugated
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438:Kumho Polychem
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205:Property type
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153:Property Type
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510:vulcanization
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400:for the same
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293:Fair to good
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283:Fair to good
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273:Fair to good
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208:EPM Property
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156:EPM Property
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450:ENI Versalis
419:
313:
263:−50 to +160
198:
193:0.855-0.880
67:
59:
27:
23:
19:
18:
493:. A third,
474:polypropene
460:Manufacture
426:Exxon-Mobil
43:metric tons
39:EPDM rubber
535:References
508:ready for
470:polyethene
390:insulative
320:automotive
289:Resilience
240:Elongation
104:and it is
64:Properties
482:propylene
434:Herdillia
416:Producers
382:insulator
375:motor oil
339:radiators
302:Insulator
244:100–600%
125:Amorphous
106:insoluble
98:non-polar
82:oxidation
35:elastomer
32:synthetic
605:Category
582:Archived
550:Azom.com
520:See also
478:ethylene
466:monomers
214:Hardness
137:peroxide
113:solvents
108:in many
94:backbone
88:and the
70:chemical
442:LANXESS
316:polymer
255:20–60%
121:aprotic
115:, both
90:weather
611:Rubber
476:, the
430:Dupont
347:tubing
231:(MPa)
223:30–95
175:45-80
167:5-200
140:curing
133:sulfur
117:protic
589:iisrp
498:diene
351:belts
327:seals
234:7–21
183:0-15
110:polar
86:ozone
480:and
472:and
452:and
402:load
384:for
373:and
325:and
310:Uses
119:and
78:heat
72:and
52:The
45:.
512:or
468:as
28:EPM
24:EPR
607::
591:,
561:^
552:,
516:.
456:.
448:,
444:,
440:,
436:,
432:,
428:,
424:,
412:.
369:,
365:,
361:,
357:,
353:,
349:,
345:,
341:,
337:,
333:,
329:,
252:B
220:)
123:.
84:,
80:,
216:(
22:(
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