Chemical Composition Distribution

Short-chain Branching in polyolefins: what causes short-chain branches and how to study them.

  Polyolefin copolymer resins incorporate comonomers such as 1-butene, 1-hexene, or 1-octene, which results in short-chain branches irregularly added that influence the crystallinity and final density of the resin. Depending on their density, the resulting resins are classified as high-density . . . read more »

Chemical Composition measurement in GPC/SEC analysis. Differentiating polyolefins with similar Molar Mass Distribution.

  The simultaneous analysis of concentration and chemical composition in Gel Permeation Chromatography (GPC) or Size Exclusion Chromatography (SEC) is of significant interest for today’s complex polyolefin copolymers. In polyethylene and copolymers, chemical composition is centered around the study of . . . read more »

Why it is important to analyze the Chemical Composition Distribution in polyolefins

  Polyolefins with heterogeneous chemical composition are becoming prevalent in the industry. These resins are produced by incorporating comonomers into the main chain in order to reduce their crystallinity and extend the range of product performance. To define these copolymers, . . . read more »

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