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ca - %. the polymer, unlike poly(ethene), is transparent. structure of the polymer the propene molecule is asymmetrical, and, when polymerized, can form three basic chain structures dependent on the position of the methyl groups: two are stereoregular (isotactic and syndiotactic) and the third does not
form helices. this regular form permits the molecules to crystallize to a hard, relatively rigid material, which, in its pure form, melts at k. the syndiotactic polymer, because of its regular structure, is also crystalline. atactic chains are completely random in structure and consequently they do not...
https://essentialchemicalindustry.org/polymers/polypropene.html
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of international chlorine & alkali industry. we specialize in promotion, application and export of chlorine & alka... shenzhen resource environmental technology co., ltd. we occupy several patents used to produce flocculation and coagulations (fe serials) and heat stabilizer by using waste acid containing...
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