Mechanical and Thermal Properties of Polypropylene, Polyoxymethylene and Poly (Methyl Methacrylate) Modified with Adhesive Resins

被引：1

作者：

Czakaj, Jakub ^{[1
,2
,3
]}

Pakula, Daria ^{[2
]}

Glowacka, Julia ^{[1
,2
]}

Sztorch, Bogna ^{[2
]}

Przekop, Robert E. ^{[2
]}

机构：

[1] Adam Mickiewicz Univ, Fac Chem, Uniwersytetu Poznanskiego 8, PL-61614 Poznan, Poland

[2] Adam Mickiewicz Univ, Ctr Adv Technol, Uniwersytetu Poznanskiego 10, PL-61614 Poznan, Poland

[3] Almara Sp Zoo Spk, 3-627 Mozarta, PL-02736 Warsaw, Poland

来源：

JOURNAL OF COMPOSITES SCIENCE | 2024年 / 8卷 / 10期

关键词：

PMMA; PP; POM; elastomer; blend; mechanical properties; thermal properties; ETHYLENE-VINYL ACETATE; ISOTACTIC POLYPROPYLENE; NONISOTHERMAL CRYSTALLIZATION; IMPACT MODIFICATION; ACRYLATE ELASTOMER; NUCLEATING-AGENT; MORPHOLOGY; COMPATIBILIZATION; MONTMORILLONITE; DENSITY;

D O I：

10.3390/jcs8100384

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

Polyoxymethylene (POM), polypropylene (PP), and poly(methyl methacrylate) (PMMA) have been blended with adhesive-grade ethylene vinyl acetate (EVA), propylene elastomer (VMX), isobutylene-isoprene rubber (IIR) and an acrylic block copolymer (MMA-nBA-MMA). The blends were prepared using a two-roll mill and injection molding. The mechanical properties of the blends, such as tensile strength, tensile modulus, elongation at maximum load, and impact resistance, were investigated. The water contact angle, melt flow rate (MFR), and differential scanning calorimetry were ascertained to evaluate the blends. The blend samples exhibited the following properties: all POM/EVA blends showed reduced crystallinity compared to neat POM; the 80% PMMA/20% MMA-nBA-MMA blend showed improved impact resistance by 243% compared to the neat PMMA. An antiplasticization effect was observed for POM/EVA 1% blends and PMMA/EVA 1% blends, with MFR reduced by 1% and 3%, respectively. The MFR of the PP/IIR 1% blend increased by 5%, then decreased below the MFR near the polymer for the remaining IIR concentrations.

引用

页数：16

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