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Title:The influence of thermoplastic elastomers on morphological and mechanical properties of PP/talc composites
Authors:Denac, Matjaž (Author)
Musil, Vojko (Author)
Files:.pdf Acta_Chimica_Slovenica_1999_Musil_the_Influence_of_Thermoplastic_Elastomers_on.pdf (367,27 KB)
 
URL http://acta-arhiv.chem-soc.si/46/46-1-55.pdf
 
Language:English
Work type:Scientific work (r2)
Typology:1.01 - Original Scientific Article
Organization:EPF - Faculty of Business and Economics
Abstract:Recent investigations have shown that modification of polymer matrix with filler and elastomers significantly affects composite's mechanical properties. Isotactic PP modified with either untreated or treated talc and either SEBS or SEBS-gMA were used in these investigations. Samples were prepared by melt-mixing in a Brabender kneading chamber and were compression molded into plates on a laboratory press. The composites were characterised by measuring mechanical properties (Young's modulus, yield stress, notched impact strength) and by defining morphology. Binary sistems PP/talc and PP/elastomer containing up to 16 vol.% of talc and up to 10 vol.% of elastomer, as well as ternary PP/talc/elastomer composites with 12 vol.% talc were investigated. Ternary composite's yield stress was also calculated by semiempirical equations. We have found out, that the use of treated modifiers (talc or elastomer) improves adhesion with matrix, which reflects on mechanical properties as better stress transfer.
Keywords:organic chemistry, polymers, thermoplastics, composites, characterization, chemistry, plastics, elastomers, morphology, mechanical properties
Year of publishing:1999
Number of pages:str. 55-67
Numbering:št. 1, Letn. 46
ISSN:1318-0207
UDC:678.074:678-1
ISSN on article:1318-0207
URN:URN:SI:UM:DK:ILBQ4H8X
COBISS_ID:4487452 Link is opened in a new window
License:CC BY 4.0
This work is available under this license: Creative Commons Attribution 4.0 International
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Downloads:28
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Record is a part of a journal

Title:Acta Chimica Slovenica
Shortened title:Acta Chim. Slov.
Publisher:Slovensko kemijsko društvo
ISSN:1318-0207
COBISS.SI-ID:14086149 New window

Secondary language

Language:Slovenian
Abstract:Novejše raziskave so pokazale, da lahko z modifikacijo polimerne matrike s polnilom in elastomerno fazo znatno vplivamo na mehanske lastnosti nastalega kompozita. V raziskavah smo uporabili izotaktični PP ter ga modificirali z neobdelanim oz. obdelanim talkom in SEBS oz. SEBS-gMA. Vzorce smo pripravili preko taline v Brabenderjevem gnetilniku in s stiskanjem v plošče na laboratorijski stiskalnici. Karakterizirali smo jih z merjenjem mehanskih lastnosti (Youngov modul, meja plastičnosti, zarezna udarna žilavost) in z opredelitvijo morfologije. Preučevali smo binarne sisteme PP/talk in PP/elastomer z vsebnostjo talka do 16 vol.% in do 10 vol.% elastomera, kakor tudi ternarne kompozite PP/talk/elastomer z 12 vol.% talka. Mejo plastičnosti ternarnih kompozitov smo določili še s polempiričnimi enačbami. Ugotovili smo, da uporaba obdelanih modifikatorjev (talka oz. elastomera) izboljša adhezijo z matriko, kar odseva na mehanskih lastnostih kot boljši prenos napetosti.
Keywords:organska kemija, polimeri, termoplasti, kompoziti, karakterizacija, kemija, plastične mase, elastomeri, morfologija, mehanske lastnosti


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