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Stress – Strain Behavior Polymer Blends Of Poly(Vinyl Chloride) And Linear Copolymer Of Ethylene With Butene - 1
[Full Text]
AUTHOR(S)
Elshod Khakberdiev, Nigmat Ashurov, Shukhrat Sadikov, Nurbek Ashurov
KEYWORDS
additivity, chlorinated polyethylene, compatibilizer, grafted copolymer, linear low-density polyethylene, mechanical properties, polymer blends, polyvinyl chloride.
ABSTRACT
In this work, non-polar polyethylene with polar poly(vinyl chloride) is considered as polymer-polymer mixers. Direct mixing of poly(vinyl chloride) and polyolefin’s leads to the formation of incompatible mixtures that have weak complex properties. To achieve the compatibility of this mixture, chlorinated polyethylene and a copolymer of polyvinyl chloride with polyethylene were used as a compatibilizer. The elastic-strength properties for various composite mixtures under various exposure and type of compatibilizer were studied. For all components of the mixtures, a special role is noted for compatibilizers capable of causing the extraction and formation of a grafted copolymer of polyvinylchloride (PVC) with polyethylene (PE) in the process of dehydrochlorination, which enhances interfacial adhesion. A positive deviation of the elastic modulus at low polyethylene contents (5-20 wt.%) From the additive curve indicates optimal compatibilization of the mixtures.
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