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Polyethylene/crystalline ethylene-propylene copolymer/amorphous ethylene-propylene copolymer in-reactor alloys synthesized by periodic switching polymerization process: An excellent toughener for polypropylene. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110563] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Mora P, Jubsilp C, Liawthanyarat N, Okhawilai M, Rimdusit S. Friction and Mechanical Properties of Highly Filled Polybenzoxazine Composites: Nanosilica Particle Size and Surface Treatment. MACROMOL CHEM PHYS 2018. [DOI: 10.1002/macp.201800328] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Phattarin Mora
- Polymer Engineering Laboratory; Department of Chemical Engineering; Faculty of Engineering, Chulalongkorn University; Bangkok 10330 Thailand
| | - Chanchira Jubsilp
- Department of Chemical Engineering; Faculty of Engineering; Srinakharinwirot University; Nakhonnayok 26120 Thailand
| | - Nutthaphon Liawthanyarat
- Polymer Engineering Laboratory; Department of Chemical Engineering; Faculty of Engineering, Chulalongkorn University; Bangkok 10330 Thailand
| | - Manunya Okhawilai
- Polymer Engineering Laboratory; Department of Chemical Engineering; Faculty of Engineering, Chulalongkorn University; Bangkok 10330 Thailand
| | - Sarawut Rimdusit
- Polymer Engineering Laboratory; Department of Chemical Engineering; Faculty of Engineering, Chulalongkorn University; Bangkok 10330 Thailand
- National Nanotechnology Center of Advanced Structural and Functional Nanomaterials; Department of Chemistry; Faculty of Science; Chulalongkorn University; Bangkok 10330 Thailand
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Abstract
A novel process for generation of a CaCO3–polymer nanocomposite with a controlled three-dimensional shape was developed. Specifically, a nanocomposite with a high CaCO3 content was produced by introducing supercritical CO2 into a polymer matrix containing Ca ions. A mixture of poly(vinyl alcohol), Ca acetate, and poly(acrylic acid) was poured into a mold, the mold was placed in an autoclave, and CO2 was introduced to precipitate CaCO3 within the polymer matrix. Laser Raman spectroscopy and transmission electron microscopy showed that this process produced a nanocomposite containing highly dispersed CaCO3 (aragonite) nanoparticles. The flexural strength of the nanocomposite was larger than the flexural strengths of limestone and CaCO3 produced by hydrothermal hot pressing. The use of supercritical CO2 facilitated CO2 dissolution, which resulted in rapid precipitation of CaCO3 in the polymer matrix. The above-described process has potential utility for fixation of CO2.
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Papanicolaou GC, Kostopoulos V, Kontaxis LC, Kollia E, Kotrotsos A. A comparative study between epoxy/Titania micro‐ and nanoparticulate composites thermal and mechanical behavior by means of particle–matrix interphase considerations. POLYM ENG SCI 2017. [DOI: 10.1002/pen.24668] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- George C. Papanicolaou
- Applied Mechanics Laboratory Department of Mechanical Engineering and AeronauticsUniversity of PatrasRio Patras26504 Greece
| | - Vassilis Kostopoulos
- Applied Mechanics Laboratory Department of Mechanical Engineering and AeronauticsUniversity of PatrasRio Patras26504 Greece
| | - Lykourgos C. Kontaxis
- Applied Mechanics Laboratory Department of Mechanical Engineering and AeronauticsUniversity of PatrasRio Patras26504 Greece
| | - Evgenia Kollia
- Applied Mechanics Laboratory Department of Mechanical Engineering and AeronauticsUniversity of PatrasRio Patras26504 Greece
| | - Athanasios Kotrotsos
- Applied Mechanics Laboratory Department of Mechanical Engineering and AeronauticsUniversity of PatrasRio Patras26504 Greece
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Lu QC, Dou Q. Investigation of the microstructures, properties, and toughening mechanism of polypropylene/calcium carbonate toughening masterbatch composites. J Appl Polym Sci 2017. [DOI: 10.1002/app.45515] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Qi-Cheng Lu
- College of Materials Science and Engineering; Nanjing Tech University; Nanjing 210009 China
| | - Qiang Dou
- College of Materials Science and Engineering; Nanjing Tech University; Nanjing 210009 China
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Feldman D. Polyolefin, olefin copolymers and polyolefin polyblend nanocomposites. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2016. [DOI: 10.1080/10601325.2016.1212313] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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