Influence of methyl methacrylate-co-glycidyl methacrylate copolymers on the compatibility, morphology and mechanical properties of poly(butylene terephthalate) and polycarbonate blends
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He Jinxin
und
Zhang Huixuan
Abstract
Methyl methacrylate-co-glycidyl methacrylate copolymers (MMA-co-GMA) were prepared to compatibilize the poly(butylene terephthalate) (PBT) and polycarbonate (PC) blends. The chemical reactions between the PBT and the epoxy groups and the good miscibility between the PC and the poly(methyl methacrylate) (PMMA) phase were responsible for the excellent compatibilization effect of the MMA-co-GMA copolymers. The MMA-co-GMA copolymers decreased the melting and crystallization temperature of the PBT phase in the PBT/PC blends. Dynamic mechanical analysis result showed that the exchange reactions were inhibited due to the compatibilization reactions owing to the consumption of the carboxyl/hydroxyl end groups of the PBT phase. MMA-co-GMA copolymers decreased the phase domain size of the PBT/PC blends, and with the increase in GMA content in the MMA-co-GMA copolymers, the blends changed from a double continuous phase to a single continuous phase structure. Tensile test indicated that the yield stress, elongation at break and elastic modulus of the PBT/PC blends increased due to the addition of MMA-co-GMA. The impact strength of the blends changed unnoticeably.
Acknowledgments
This work was financially supported by the National Natural Science Foundation of China and the Jilin Provincial Science and Technology Department under grants 51273025, 50803007 and 20140101104JC.
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©2015 by De Gruyter
Artikel in diesem Heft
- Frontmatter
- Original articles
- The synthesis of styrene acrylate emulsion and its application in xerographic paper
- Effect of different photoinitiators on the properties of UV-cured electromagnetic shielding composites
- Cationic vinyl monomer-grafted polypropylene preparation and its use as a compatibilizer for polypropylene/poly(vinyl chloride) blends
- Activation energy of copper-induced thermal degradation of chitosan acetate functional groups
- The soluble copolymers of polyalkylthiophenes with different molar ratios of co-mers
- Influence of methyl methacrylate-co-glycidyl methacrylate copolymers on the compatibility, morphology and mechanical properties of poly(butylene terephthalate) and polycarbonate blends
- Mechanical properties and toughening mechanisms of epoxy/graphene nanocomposites
- A process analysis for microchannel deformation and bonding strength by in-mold bonding of microfluidic chips
- Structure and properties of low-isotacticity polypropylene elastomeric fibers prepared by sheath-core bicomponent spinning: effect of localization of high-isotacticity component near the fiber surface
- Spectroscopic characterization and microbial degradation of engineered bio-elastomers from linseed oil
Artikel in diesem Heft
- Frontmatter
- Original articles
- The synthesis of styrene acrylate emulsion and its application in xerographic paper
- Effect of different photoinitiators on the properties of UV-cured electromagnetic shielding composites
- Cationic vinyl monomer-grafted polypropylene preparation and its use as a compatibilizer for polypropylene/poly(vinyl chloride) blends
- Activation energy of copper-induced thermal degradation of chitosan acetate functional groups
- The soluble copolymers of polyalkylthiophenes with different molar ratios of co-mers
- Influence of methyl methacrylate-co-glycidyl methacrylate copolymers on the compatibility, morphology and mechanical properties of poly(butylene terephthalate) and polycarbonate blends
- Mechanical properties and toughening mechanisms of epoxy/graphene nanocomposites
- A process analysis for microchannel deformation and bonding strength by in-mold bonding of microfluidic chips
- Structure and properties of low-isotacticity polypropylene elastomeric fibers prepared by sheath-core bicomponent spinning: effect of localization of high-isotacticity component near the fiber surface
- Spectroscopic characterization and microbial degradation of engineered bio-elastomers from linseed oil
