НАНОКОМПОЗИТЫ НА ОСНОВЕ ПОЛИПРОПИЛЕНА

2021 ◽  
Vol 22 (6) ◽  
pp. 369-373
Author(s):  
С.О. Эшбекова ◽  
Ж.К. Ибрагимов ◽  
Н.Р. Ашуров ◽  
Э.О. Хакбердиев
Keyword(s):  
Cloisite 20A

Проведены исследования по выявлению условий формирования нанокомпозитов на основе изотактического полипропилена (ПП), малеинизированного ПП (ППМА) и их смесей с модифицированным монтмориллонитом (ММТ Cloisite 20A). Выявлены условия формирования эксфолиированных и интеркалированных нанокомпозитов в зависимости от концентрации Cloisite 20A и соотношения составов ПП/ППМА. Обнаружено усиление по модулю упругости для эксфолиированных нанокомпозитов более чем на 40 % при сохранении относительного удлинения при разрушении.

scholarly journals Reaktif Red 141 Boyasının Cloisite 20A Kili Üzerine Adsorpsiyonunun İncelenmesi

2019 ◽  
Vol 26 (114) ◽  
pp. 125-131
Author(s):  
Nuriye KERTMEN ◽  
Perrin AKÇAKOCA KUMBASAR ◽  
Saadet YAPAR
Keyword(s):  
Cloisite 20A

scholarly journals Propriedades mecânicas de nanocompósitos de polipropileno e montmorilonita organofílica

Polímeros ◽  
2006 ◽  
Vol 16 (2) ◽  
pp. 136-140 ◽  
Author(s):  
Lucilene B. de Paiva ◽  
Ana R. Morales ◽  
Thiago R. Guimarães
Keyword(s):  
Cloisite 20A

Neste trabalho foram preparados nanocompósitos de polipropileno e montmorilonita organofílica comercial Cloisite 20A em concentrações de 2,5%, 5,0%, 7,5% e 10,0% e polipropileno graftizado com anidrido maleico como agente compatibilizante pela técnica de intercalação do fundido em extrusora de dupla rosca. Os materiais obtidos foram caracterizados por difração de raios x, ensaios de tração e impacto de acordo com as normas ASTM D638 e D256, respectivamente. Os resultados de difração de raios x indicaram a formação de nanocompósitos com estruturas parcialmente esfoliadas ou intercaladas, dependendo da composição, que proporcionaram aumento do módulo de elasticidade enquanto as propriedades de resistência ao impacto não foram satisfatórias.

Melt processing of ethylene–vinyl acetate/banana starch/Cloisite 20A organoclay nanocomposite films: structural, thermal and composting behavior

2020 ◽  
Vol 29 (8) ◽  
pp. 723-733
Author(s):  
Miguel A. García-Muñoz ◽  
Mario Valera-Zaragoza ◽  
Alejandro Aparicio-Saguilán ◽  
Miguel A. Peña-Rico ◽  
Erick A. Juarez-Arellano ◽  
...  
Keyword(s):  
Vinyl Acetate ◽  
Ethylene Vinyl Acetate ◽  
Melt Processing ◽  
Nanocomposite Films ◽  
Cloisite 20A

Nanocomposite materials based on isosorbide methacrylate/Cloisite 20A

2012 ◽  
Vol 62 (2) ◽  
pp. 280-288 ◽  
Author(s):  
Yaghoub Mansoori ◽  
Salar Hemmati ◽  
Parvin Eghbali ◽  
Mohammad Reza Zamanloo ◽  
Golamhassan Imanzadeh
Keyword(s):  
Nanocomposite Materials ◽  
Cloisite 20A

The Effects of Bagasse Fiber Loading on the Mechanical Properties of Skim NR–Clay Nanocomposites

2016 ◽  
Vol 835 ◽  
pp. 42-49
Author(s):  
Tarinee Nampitch ◽  
Rathanawan Magaraphan
Keyword(s):  
Mechanical Properties ◽  
Fatigue Testing ◽  
Fiber Content ◽  
Clay Nanocomposites ◽  
Fiber Loading ◽  
Cloisite 30B ◽  
Cure Time ◽  
Renewable Material ◽  
Bagasse Fiber ◽  
Cloisite 20A

Skim natural rubber (NR)–clay nanocomposites were prepared by a coagulation method using the organoclays Cloisite 15A, Cloisite 20A and Cloisite 30B. This work investigated the use of bagasse fiber developed from locally sourced and renewable material as an alternative and/or secondary filler in skim NR–clay nanocomposites. Bagasse fiber loading in the nanocomposites was 0, 5, 10 and 20 phr; the effects of fiber content on cure characteristics and mechanical properties were then determined. The results suggest that the Mooney viscosity tended to increase with increasing fiber content, whereas the cure time at 90% and fatigue testing score decreased as fiber loading increased.

Recycled HDPE/PET Clay Nanocomposites

2019 ◽  
Vol 821 ◽  
pp. 67-73 ◽  
Author(s):  
Andres F. Rigail-Cedeño ◽  
Antonio Diaz-Barrios ◽  
Juan Gallardo-Bastidas ◽  
Stefania Ullaguari-Loor ◽  
Nicolás Morales-Fuentes
Keyword(s):  
Mechanical Properties ◽  
Young Modulus ◽  
Industrial Applications ◽  
Clay Nanocomposites ◽  
Plastic Properties ◽  
Agent Based ◽  
Single Screw Extruder ◽  
Cloisite 30B ◽  
Recycled Plastics ◽  
Cloisite 20A

Recycling waste plastics will support the preservation of natural resources and energy consumption. New challenges arise for the development of products that take advantage of solid waste. Upgrading recycled plastics using nanotechnology can tailor and consequently improve plastic properties for industrial applications. This research aims to process and relate the morphology and thermo-mechanical properties of recycled high-density polyethylene (rHDPE) and recycled polyethylene terephthalate (rPET) clay nanocomposites. Blends of rHDPE (75 wt %) coming from packaging and rPET (25 wt %) from bottles were mixed with two organoclays (Cloisite 20A and Cloisite 30B) (3 wt %) and a compatibilizer agent based on ethylene-glycidyl methacrylate (EGMA) (5 wt %). The recycled plastics nanocomposites were processed using a single-screw extruder incorporating a dispersive and distributive mixer and an injection molding machine. Several techniques were used to characterize the dispersion, morphology, mechanical properties and compatibilization of these composite blends. The reinforcing effect of rPET in the continuous rHDPE phase depended on the organoclay type and the compatibilizer additive. Both organoclays increased the stiffness and strength of rHDPE and rPET as evidenced by an increase in the corresponding Young modulus and ultimate tensile strength. EGMA increased the compatibility in the recycle plastics blend and in the clays nanocomposites as evidenced in elongation and energy at break results. On the other side, Cloisite 20A showed to be more compatible with EGMA than Cloisite 30B in these rHDPE/rPET blends based on the thermo-mechanical properties results.

Polymer-montmorillonite nanocomposites: Chemical grafting of polyvinyl acetate onto Cloisite 20A

2011 ◽  
Vol 32 (8) ◽  
pp. 1225-1234 ◽  
Author(s):  
Yagoub Mansoori ◽  
Amir Akhtarparast ◽  
Mohammad Reza Zamanloo ◽  
Golamhassan Imanzadeh ◽  
Tahereh Mohseni Masooleh
Keyword(s):  
Polyvinyl Acetate ◽  
Chemical Grafting ◽  
Cloisite 20A ◽  
Montmorillonite Nanocomposites

The effects of Cloisite 20A content on the adhesion strength and corrosion behavior of poly (amide-imide)/cloisite 20A nanocomposite coatings

2019 ◽  
Vol 175 ◽  
pp. 107154 ◽  
Author(s):  
H. Naderi-Samani ◽  
R. Shoja Razavi ◽  
M.R. Loghman-Estarki ◽  
M. Ramazani ◽  
M. Barekat ◽  
...  
Keyword(s):  
Adhesion Strength ◽  
Corrosion Behavior ◽  
Nanocomposite Coatings ◽  
Cloisite 20A

Thermal Performance of Polyamide 6/Cloisite 20A Composite Hybrid by Adiabatic Extrusion: A Study on the Influence of Difference Approach of Compounding

2014 ◽  
Vol 903 ◽  
pp. 118-122
Author(s):  
Zulhelmi Ismail ◽  
Kamal Yusoh
Keyword(s):  
Thermal Characteristic ◽  
Polyamide 6 ◽  
Minor Effect ◽  
Gravimetric Analysis ◽  
Thermal Gravimetric ◽  
Heat Degradation ◽  
A Minor ◽  
Stability Enhancement ◽  
Cloisite 20A ◽  
Main Influence

In this paper, the possibility of thermal stability enhancement for PA6/Cloisite 20A through the application of adiabatic extrusion was inspected. Samples at 1 wt. %, 3 wt. % and 5 wt. % of clay loading Cloisite 20A were prepared by using adiabatic and conventional compounding with consistent screw speed of 200 RPM. The thermal properties of PA6/C20A nanocomposite were characterized from thermal gravimetric analysis. It has been found that adiabatic extrusion managed to increase the resistant of PA6 against heat degradation for PA6-1wt. % as PA6-3wt. % and PA6-5wt. % did not shown any distinctive in value of Tmin. as adiabatic extrusion does only have a minor effect on the increased content of clay C20A in PA6 based on thermal gravimetric characterization. The combination effect of adiabatic system and clay C20A presence is proposed as the main influence in the enhancement mechanism of thermal characteristic of PA6/C20A nanocomposite.

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