ASTM-D5576 2021

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D5576-00(2021)e1 Standard Practice for Determination of Structural Features in Polyolefins and Polyolefin Copolymers by Infrared Spectrophotometry (FT-IR)

Published By	Publication Date	Number of Pages
ASTM	2021

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Categories: 83.080.20 - Thermoplastic materials, ASTM

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Description

ASTM D5576-00-e1-Reapproved2021

Active Standard: Standard Practice for Determination of Structural Features in Polyolefins and Polyolefin Copolymers by Infrared Spectrophotometry (FT-IR)

ASTM D5576

Scope

1.1 This practice covers infrared procedures for determining the molecular structural features in polyolefins and polyolefin copolymers. The structural features of primary concern are the types and numbers of branches. Although this practice centers its attention on polyolefins and polyolefin copolymers, the techniques, with proper modification, can be used for some other polymers as well.

Note 1: Quantitative determinations require either an internal or an external evaluation of sample thickness. ASTM test methods available for specific features are listed in Tables 1 and 2.

1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

Note 2: There is no known ISO equivalent to this standard.

1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Keywords

copolymers; FT-IR; infrared spectrophotometry; polyethylene; structural features;

ICS Code

ICS Number Code 83.080.20 (Thermoplastic materials)

DOI: 10.1520/D5576-00R21E01

Additional information

Standard Title	D5576-00(2021)e1 Standard Practice for Determination of Structural Features in Polyolefins and Polyolefin Copolymers by Infrared Spectrophotometry (FT-IR)
Published Code	ASTM
Publication Date	2021
ICS Codes	83.080.20 - Thermoplastic materials