processing of clay epoxy nanocomposites with a three

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processing of clay epoxy nanocomposites with a three

Epoxy clay nanocomposites processing, properties and

Feb 01, 2013· The effect of processing variables on the mechanical properties of clay/epoxy nanocomposites produced in a centrifuge has been studied by varying processing conditions such as centrifuge rotor speed and curing temperature, including different types of clay . As the amount of clay is increased, the elastic modulus of epoxy–clay nanocomposites

Processing of Clay/Epoxy Nanocomposites with a Three-Roll

In the present study, a three-roll mill machine was used to disperseexfoliate the nanoclay particles in an epoxy matrix. The compounding process was carried out with varying mixing time and concentrations of clay particles 1 to 10 wt. It was found that the longer the mixing time, the higher the degree of intercalation. Mechanical properties, XRD and TEM were used to characterize the

Processing of Clay/Epoxy Nanocomposites with A Three-Roll

Processing of Clay/Epoxy Nanocomposites with A Three-Roll Mill Machine Volume 740 Asma Yasmin, Jandro L. Abot, Isaac M. Daniel

Processing of Clay/Epoxy Nanocomposites with A Three-Roll

Request PDF Processing of Clay/Epoxy Nanocomposites with A Three-Roll Mill Machine In the present study, a three-roll mill machine was used to disperse/exfoliate the nanoclay particles in an

Processing of clay/epoxy nanocomposites by shear mixing

Jul 01, 2003· In the present study, the failure of all nanocomposites at strengths lower than that of the pure epoxy can be assumed to be process related. As mentioned before, the compounding of nanoclay in an epoxy matrix with a three-roll mill produces a highly viscous and foamy material, and the higher the clay content the higher the viscosity.

Processing of Clay/Epoxy Nanocomposites with A Three-Roll

CiteSeerX Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): In the present study, a three-roll mill machine was used to disperse/exfoliate the nanoclay particles in an epoxy matrix. The compounding process was carried out with varying mixing time and concentrations of clay particles (1 to 10 wt.%). It was found that the longer the mixing time, the higher the degree of

Processing of Multifunctional Polymer Nanocomposites

Processing of clay/epoxy nanocomposites with a three-roll mill machine. Materials Research Society Symposium Proceedings, 740, 75

(PDF) Clay/Polymer Nanocomposites: Processing, Properties

5 Clay/Polymer Nanocomposites: Processing, Properties, and Applications 173 The observation from the XPS spectra on clay/epoxy nanocomposites, shown in Fig. 5.5,is explained in Table 5.5 .

[PDF] Effect of nanocomposite structures on fracture

The effects of organic modifier and processing method on morphology and mechanical properties of epoxy-clay nanocomposites were investigated. In this study, the preparation of nanocomposites by exfoliation-adsorption method involved an ultrasonic mixing procedure, and mechanical blending was used for in situ intercalative polymerization. The microstructure study revealed that the organoclay

Clay-epoxy nanocomposites: Processing and properties

at 100°C for 3 h. The processing was carried out with4Lofresin in each batch. The fabrication of shear mixed nanocomposites was carried out using a three-step process. First, the desired volume fraction of nanoclay was added to the epoxy-diluent mixture and hand stirred until all the nanoclay was immersed. Then, the mixture was

Processing of clay/epoxy nanocomposites by shear mixing

title = "Processing of clay/epoxy nanocomposites by shear mixing", abstract = "A three-roll mill was used to disperse/exfoliate the clay nanoparticles in an epoxy matrix. The compounding process was carried out with varying clay contents (1-10 wt.%).

Clay/Epoxy Nanocomposites Gdoutos 2009 Strain

Nov 16, 2009· A three‐fold increase in modulus at 120 °C was reported for a moderate clay particle concentration of 5% by weight. In the case of epoxy/clay nanocomposites increases in both modulus and strength were measured over those of pure epoxy. The relative increases were much more pronounced in the case of a rubbery matrix below T g. The tensile

CiteSeerX — Processing of Clay/Epoxy Nanocomposites by

CiteSeerX Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): A three-roll mill was used to disperse/exfoliate the clay nanoparticles in an epoxy matrix. The compounding process was carried out with varying clay contents (1–10 wt.%). The technique was found highly efficient and environmentally friendly in achieving high levels of exfoliation and dispersion within a short

[PDF] Effect of nanocomposite structures on fracture

The effects of organic modifier and processing method on morphology and mechanical properties of epoxy-clay nanocomposites were investigated. In this study, the preparation of nanocomposites by exfoliation-adsorption method involved an ultrasonic mixing procedure, and mechanical blending was used for in situ intercalative polymerization. The microstructure study revealed that the organoclay

Effect of Nanocomposite Structures on Fracture Behavior of

Figure 2 shows diffraction patterns of the cured epoxy nanocomposites containing various weight fractions of the clay fabricated by two different processing techniques. No distinguishable diffraction peak was observed for the nanocomposites produced by ultrasonic mixing containing 1 wt% and 2 wt% clay, but the composite having 3 wt% clay showed a distinct peak revealing an interlayer spacing

(PDF) Glass Fiber Reinforced Polymer-Clay Nanocomposites

Carbon fiber reinforced epoxy/clay nanocomposites (CFRENCs) were manufactured through hot melt lay-up plus autoclave process. The CFRENCs have uniform fiber volume fraction, very few dry spots

Preparation and Properties of Clay-Reinforced Epoxy

The clay-reinforced epoxy nanocomposite was prepared by the polymerization method. The effect of clay addition on the mechanical properties of epoxy/clay nanocomposites was studied through tensile, flexural, impact strength, and fracture toughness tests. The morphology and tribology behavior of epoxy/clay nanocomposites were determined by X-ray diffraction (XRD) and wear test, respectively.

Ternary System of Epoxy/Rubber Blend Clay Nanocomposite

This chapter will be devoted to the study of ternary systems containing synthetic rubber or natural rubber in the epoxy system in the presence of nanoclay. Curing behavior, morphology, and properties...

Amine‐cured epoxy/clay nanocomposites. II. The effect of

H. Salam, Y. Dong, I. J. Davies, A. Pramanik, Optimization of material formulation and processing parameters in relation to mechanical properties of bioepoxy/clay nanocomposites using Taguchi design of experiments, Journal of Applied Polymer Science, 10.1002/app.45769, 135, 5, (2017).

[PDF] An experimental study on clay/epoxy nanocomposites

This paper presents a study on the effect of processing variables on the mechanical properties of clay/epoxy nanocomposites produced in a centrifuge. Several experiments were conducted including different types of clay with varying processing conditions such as centrifuge rotor speed and curing temperature. The effects of these variables on the mechanical properties of nanocomposites were

Epoxy Nanocomposites with Highly Exfoliated Clay

Epoxy/clay nanocomposites with a better exfoliated morphology have been successfully prepared using a so-called “slurry-compounding” process. The microstructures of the nanocomposites (epoxy/S-clays) were characterized by means of optical microscopy and transmission electron microscopy (TEM). It was found that clay was highly exfoliated and uniformly dispersed in the resulting nanocomposite.

Real Time Exfoliation Behavior of Clay Layers in Epoxy

Dec 17, 2002· Exfoliation behavior of clay layers in epoxy−clay nanocomposites was studied with the electronegativities of aromatic diamine curing agents and curing temperatures. While faster gelation in the extragallery region accelerated by much more reactive aromatic diamine curing agents (1, 3-phenylendiamine (PDA) and 4, 4‘-methylenedianiline (MDA)) produced the intercalated structure (<10

Composites: Part B

and aspect ratio. Epoxy clay nanocomposites are finding vast applications in various industries like aero-space, defense, automobile, etc. The physical and chemical properties of the epoxy systems are influenced by the processing techniques, clay modifier and curing agents used for the preparation of nanocompos-ites.

Clay-epoxy nanocomposites: Processing and properties

at 100°C for 3 h. The processing was carried out with4Lofresin in each batch. The fabrication of shear mixed nanocomposites was carried out using a three-step process. First, the desired volume fraction of nanoclay was added to the epoxy-diluent mixture and hand stirred until all the nanoclay was immersed. Then, the mixture was

Room temperature processing of epoxy-clay nanocomposites

Dec 18, 2004· Abstract. JOURNAL OF MATERIALS SCIENCE 39 (2 004) 7333 7339 Room temperature processing of epoxy-clay nanocomposites R. VELMURUGAN ,T.P. MOHAN Composites Technology Centre, Indian Institute of Technology Madras, Chennai-600 036, India E-mail: [email protected] Polymer/Clay nanocomposites consisting of an epoxy matrix filled with nanolayered silicate clay

Room temperature processing of epoxy-clay nanocomposites

Polymer/Clay nanocomposites consisting of an epoxy matrix filled with nanolayered silicate clay particles have been investigated. Recent and ongoing research has shown that dramatic enhancements can be achieved in mechanical and thermal properties by adding a small volume percent of clays. In the present work nanocomposites are processed by mechanical mixing of epoxy with organoclays and

Processing of Clay/Epoxy Nanocomposites by Shear Mixing

Processing of Clay/Epoxy Nanocomposites by Shear Mixing . By Asma Yasmin, Ro L. Abot and Isaac M. Daniel. Abstract. A three-roll mill was used to disperse/exfoliate the clay nanoparticles in an epoxy matrix. The compounding process was carried out with varying clay contents (1–10 wt.%). The technique was found highly efficient and

[PDF] An experimental study on clay/epoxy nanocomposites

This paper presents a study on the effect of processing variables on the mechanical properties of clay/epoxy nanocomposites produced in a centrifuge. Several experiments were conducted including different types of clay with varying processing conditions such as centrifuge rotor speed and curing temperature. The effects of these variables on the mechanical properties of nanocomposites were

Epoxy Nanocomposites with Highly Exfoliated Clay

Epoxy/clay nanocomposites with a better exfoliated morphology have been successfully prepared using a so-called “slurry-compounding” process. The microstructures of the nanocomposites (epoxy/S-clays) were characterized by means of optical microscopy and transmission electron microscopy (TEM). It was found that clay was highly exfoliated and uniformly dispersed in the resulting nanocomposite.

Real Time Exfoliation Behavior of Clay Layers in Epoxy

Dec 17, 2002· Exfoliation behavior of clay layers in epoxy−clay nanocomposites was studied with the electronegativities of aromatic diamine curing agents and curing temperatures. While faster gelation in the extragallery region accelerated by much more reactive aromatic diamine curing agents (1, 3-phenylendiamine (PDA) and 4, 4‘-methylenedianiline (MDA)) produced the intercalated structure (<10

Composites: Part B

and aspect ratio. Epoxy clay nanocomposites are finding vast applications in various industries like aero-space, defense, automobile, etc. The physical and chemical properties of the epoxy systems are influenced by the processing techniques, clay modifier and curing agents used for the preparation of nanocompos-ites.

Preparation and Properties of Clay-Reinforced Epoxy

The clay-reinforced epoxy nanocomposite was prepared by the polymerization method. The effect of clay addition on the mechanical properties of epoxy/clay nanocomposites was studied through tensile, flexural, impact strength, and fracture toughness tests. The morphology and tribology behavior of epoxy/clay nanocomposites were determined by X-ray diffraction (XRD) and wear test, respectively.

Amine‐cured epoxy/clay nanocomposites. II. The effect of

H. Salam, Y. Dong, I. J. Davies, A. Pramanik, Optimization of material formulation and processing parameters in relation to mechanical properties of bioepoxy/clay nanocomposites using Taguchi design of experiments, Journal of Applied Polymer Science, 10.1002/app.45769, 135, 5, (2017).

Hybrid epoxy nanocomposites: lightweight materials for

Jan 18, 2012· Preparation of glass fiber-based epoxy nanocomposites for the optimization of processing parameters. Clays in different weight percentages (0.0, 0.5, 1.0 and 2.0 wt %) are mixed with the epoxy

Tensile behaviour and characterization of epoxy-clay-poly

Sep 25, 2019· Azeez A A, Rhee K Y, Park S J and Hui D 2013 Epoxy clay nanocomposites-processing, properties and applications: a review Composites: Part B 45 308–20. Crossref Google Scholar. Lam C, Cheung H, Lau K, Zhou L, Ho M and Hui D 2005 Cluster size effect in hardness of nanoclay/epoxy nanocomposites Composites: Part B 36 263–9.

Effect of mixing parameters, postcuring, and stoichiometry

The tensile strength, flexural strength, and interlaminar shear strength of these nanocomposites were significantly influenced by the processing variables including the temperature of resin–clay mixture, speed of homogenization, and ultrasonic probe amplitude during premixing of clay minerals in epoxy.

Enhanced thermal stability and lifetime of epoxy

The present work aims at finding a relationship between kinetic models of thermal degradation process with the physiochemical structure of epoxy–clay nanocomposites in order to understand its service temperature. In this work, two different types of modified clays, including clay modified with (3

Epoxy Nanocomposites with Highly Exfoliated Clay

Epoxy/clay nanocomposites with a better exfoliated morphology have been successfully prepared using a so-called “slurry-compounding” process. The microstructures of the nanocomposites (epoxy/S-clays) were characterized by means of optical microscopy and transmission electron microscopy (TEM). It was found that clay

Room temperature processing of epoxy-clay nanocomposites

Dec 18, 2004· Abstract. JOURNAL OF MATERIALS SCIENCE 39 (2 004) 7333 7339 Room temperature processing of epoxy-clay nanocomposites R. VELMURUGAN ,T.P. MOHAN Composites Technology Centre, Indian Institute of Technology Madras, Chennai-600 036, India E-mail: [email protected] Polymer/Clay nanocomposites consisting of an epoxy matrix filled with nanolayered silicate clay

[PDF] An experimental study on clay/epoxy nanocomposites

This paper presents a study on the effect of processing variables on the mechanical properties of clay/epoxy nanocomposites produced in a centrifuge. Several experiments were conducted including different types of clay with varying processing conditions such as centrifuge rotor speed and curing temperature. The effects of these variables on the mechanical properties of nanocomposites

Hybrid epoxy nanocomposites: lightweight materials for

Jan 18, 2012· Preparation of glass fiber-based epoxy nanocomposites for the optimization of processing parameters. Clays in different weight percentages (0.0, 0.5, 1.0 and 2.0 wt %) are mixed with the epoxy

Tensile behaviour and characterization of epoxy-clay-poly

Sep 25, 2019· Azeez A A, Rhee K Y, Park S J and Hui D 2013 Epoxy clay nanocomposites-processing, properties and applications: a review Composites: Part B 45 308–20. Crossref Google Scholar. Lam C, Cheung H, Lau K, Zhou L, Ho M and Hui D 2005 Cluster size effect in hardness of nanoclay/epoxy nanocomposites

Small-scale Fabrication Process of Clay-containing

Clay/Epoxy nanocomposites were fabricated using shear mixing to determine the increase in mechanical properties over those of pure epoxy. The effectiveness of the fabrication process was improved and explained in detail to provide composites researchers with the ability to fabricate thermosetting nanocomposites

A STUDY OF CLAY-EPOXY NANOCOMPOSITES CONSISTING

3. Results and Discussion MMT epoxy based nanocomposites were synthesized by in-situ polymerisation. Six MMT-epoxy systems were produced from the three organoclays and two different clay

Overview of Clay-Based Polymer Nanocomposites (CPN) Clay

Two types of clay mineral dispersions have been recognized in CPN formation. One is the intercalated state, which is found for nanocomposites in which the clay interlayer spaces are expanded to a

Nanomaterials Free Full-Text Influence of Nanoclay

The flexural, compressive and the viscoelastic properties of the glass/epoxy nanocomposite laminates are summarized in Table 1 Table 2, Table 3 respectively, for the various clay dispersion techniques. For the method 1 dispersion procedure, the E-glass/epoxy nanocomposite loss was an average of 12% of its maximum flexural stress for the 1 wt.% and 2 wt.% relative to the unmodified glass/epoxy

Enhanced thermal stability and lifetime of epoxy

The present work aims at finding a relationship between kinetic models of thermal degradation process with the physiochemical structure of epoxy–clay nanocomposites in order to understand its service temperature. In this work, two different types of modified clays, including clay modified with (3

Effect of Hygrothermal Aging on the Mechanical Properties

This is a common behavior for several types of epoxy-clay nanocomposites and has been reported in previous studies conducted on clay-epoxy nanocomposites [3, 6, 45, 46]. Depending on the processing technique and epoxy-clay

Polymer-Clay Nanocomposites for Corrosion Protection

Sep 12, 2018· Indeed, the total resistance value, R tot, after 4 days exposure in the corrosive environment, improved from 1.03 × 10 2 of bare steel, to 5.34 × 10 3 in the case of pure epoxy resin, to 7.40 × 10 3 in the case of epoxy-loaded with clay

Effects of Processing Techniques on Morphology and

Proper dispersion of nano thin layered structure of nanoclay in polymer matrix offers new and greatly improved properties over pristine polymers. The degree of nanoclay dispersion and hence the improvements in the physical and mechanical properties depend greatly on the technique used and processing parameters. In this work, 2 wt.% epoxy-clay nanocomposites

Clay-Polymer Nanocomposites 1st Edition

Clay–Polymer Nanocomposites is a complete summary of the existing knowledge on this topic, from the basic concepts of synthesis and design to their applications in timely topics such as high-performance