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Standard Practice for Extraction of Additives in Polyolefin PlasticsTranslate name
STANDARD published on 15.11.2021
Designation standards: ASTM D7210-21
Publication date standards: 15.11.2021
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM
accelerated solvent extraction, antistatic agents, BHEB, BHT, high-density polyethylene (HDPE), linear low-density polyethylene (LLDPE), low-density polyethylene (LDPE), microwave assisted extraction, phenolic antioxidants, phosphite antioxidants, polymer additive, polypropylene (PP), reflux extraction, slip additives, Soxhlet extraction, ultrasonic or sonication extraction, UV stabilizers,, ICS Number Code 83.080.01 (Plastics in general)
|Significance and Use|
5.1Separation and identification of additives used in the manufacture of polyolefin plastics is necessary in order to correlate performance properties with polymer composition. This practice provides guidelines for extracting phenolic antioxidants, phosphite antioxidants, UV stabilizers, antistatic agents, and slip additives, from milled polyolefin plastics .
5.2Water bath shakers and steam-reflux Soxhlet extraction techniques have also been used to successfully remove additives from polyolefin plastics.
1.1This practice covers a variety of extraction techniques for antioxidant and slip additives used in polyolefins. Typically, the extracted additives are separated and quantified using a chromatographic technique such as the procedure explained in Test Method . Chromatographic analysis of the extracts is not included in this practice.
1.2This 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 1:There is no known ISO equivalent to this standard.
1.3This 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.
|2. Referenced Documents|
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