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Standard Practice for Extraction of Additives in Polyolefin Plastics
Automaticky přeložený název:
Standardní praxe pro extrakci přídatných látek v polyolefinu plastů
NORMA vydána dne 1.4.2013
Označení normy: ASTM D7210-13
Poznámka: NEPLATNÁ
Datum vydání normy: 1.4.2013
Kód zboží: NS-37874
Počet stran: 4
Přibližná hmotnost: 12 g (0.03 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Keywords:
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 | ||||||||
5.1 Separation 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 . 5.2 Water bath shakers and steam-reflux Soxhlet extraction techniques have also been used to successfully remove additives from polyolefin plastics. |
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1. Scope | ||||||||
1.1 This 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 D6953. Chromatographic analysis of the extracts is not included in this practice. 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 and health practices and determine the applicability of regulatory limitations prior to use.
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Standard Terminology Relating to Molecular Spectroscopy
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Standard Terminology Relating to Plastics
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Standard Terminology for Abbreviated Terms Relating to Plastics (Withdrawn 2024)
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Standard Test Method for Determination of Antioxidants and Erucamide Slip Additives in Polyethylene Using Liquid Chromatography (LC) |
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