Morphology and rheology of immiscible polymer blends filled with silica nanoparticles

Elias, Liju; Fenouillot, Françoise; Majesté, Jean‐Charles; Cassagnau, Philippe

doi:10.1016/j.polymer.2007.07.061

Cited by 415 publications

(353 citation statements)

References 35 publications

Supporting

Mentioning

338

Contrasting

Unclassified

Order By: Relevance

“…The poor adhesion between the phases and the large particle size of the rubber phase facilitate the propagation of cracks and lead to a pronounced decline of the mechanical properties of the blends [13] . In order to improve the properties of blends containing recycled rubbers, some authors devulcanize the rubber phase [3,9,[14][15][16][17][18] , or add functional fillers [19][20][21][22][23][24][25][26][27][28][29][30][31][32][33] . Besides, it is well known that dynamic vulcanization notoriously increases the adhesion and interaction between the phases.…”

Section: Introductionmentioning

confidence: 99%

Blends of ground tire rubber devulcanized by microwaves/HDPE - Part B: influence of clay addition

et al. 2015

View full text Add to dashboard Cite

SbstractThe main objective of this work is to study the influence of clay addition on dynamically revulcanized blends of Ground Tire Rubber (GTR)/High Density Polyethylene (HDPE). GTR was previously devulcanized in a system comprised of a conventional microwave oven adapted with a motorized stirring, with a fixed microwave power and at various exposure times. The influence of clay addition on the final properties of the blends was evaluated in terms of mechanical, viscoelastic, thermal and rheological properties, with morphology being also analyzed. The results depict that the clay can modify the rheological behavior of the GTR phase, in addition to the thermal and mechanical properties of some blends.

show abstract

Section: Introductionmentioning

confidence: 99%

Blends of ground tire rubber devulcanized by microwaves/HDPE - Part B: influence of clay addition

et al. 2015

View full text Add to dashboard Cite

show abstract

“…In this context addition of compatibilizer to a clay-containing multiphase system can have its own contribution towards clay positioning and its state of dispersion due to induced changes in the system thermodynamic. This topic has been discussed intensively in the literature [19][20][21][22][23][24][25][26][27][28][29]. Undoubtedly, the mixing procedure has also a strong effect on the localization of nanoclay.…”

mentioning

confidence: 99%

“…Depending on these mixing sequences, the nanoclay may migrate from one phase to the other to reach its equilibrium distribution which involves particle displacement inside the blend [19]. This phenomenon has been discussed in the case of different nanocomposites hybrid [20][21][22][23][24]. Elias et al [21] studied polypropylene (PP)/polystyrene (PS)/ silica blend and the effect of the sequence of addition where the silica was first mixed with PP and the obtained composite was then mixed with PS.…”

mentioning

confidence: 99%

Tuning the processability, morphology and biodegradability of clay incorporated PLA/LLDPE blends via selective localization of nanoclay induced by melt mixing sequence

As’habi¹,

Jafari

Khonakdar³

et al. 2013

Express Polym. Lett.

View full text Add to dashboard Cite

Abstract. Polylactic acid (PLA)/linear low density polyethylene (LLDPE) blend nanocomposites based on two different commercial-grade nanoclays, Cloisite ® 30B and Cloisite ® 15A, were produced via different melt mixing procedures in a counter-rotating twin screw extruder. The effects of mixing sequence and clay type on morphological and rheological behaviors as well as degradation properties of the blends were investigated. The X-ray diffraction (XRD) results showed that generally the level of exfoliation in 30B based nanocomposites was better than 15A based nanocomposites. In addition, due to difference in hydrophilicity and kind of modifiers in these two clays, the effect of 30B on refinement of dispersed phase and enhancement of biodegradability of PLA/LLDPE blend was much more remarkable than that of 15A nanoclay. Unlike the one step mixing process, preparation of nanocomposites via a two steps mixing process improved the morphology. Based on the XRD and TEM (transmission electron microscopic) results, it is found that the mixing sequence has a remarkable influence on dispersion and localization of the major part of 30B nanoclay in the PLA matrix. Owing to the induced selective localization of nanoclays in PLA phase, the nanocomposites prepared through a two steps mixing sequence exhibited extraordinary biodegradability, refiner morphology and better melt elasticity.

show abstract

“…Several studies showed that size of dispersed domain was successfully reduced by improving compatibility between polymers [7][8][9][10], adding third immiscible component to binary polymer blend [11] and preparing blend sample via injection molding [12].…”

Section: Introductionmentioning

confidence: 99%

Comparison Study Between Extrusion and Injection Molding on Cellular Structure of Pp/Ps/Pmma Ternary Blend Foam

Sharudin¹,

Ohshima

2017

MJAS

View full text Add to dashboard Cite

The effect of blending method on the blend morphology as well as cellular structure of Polypropylene (PP)/Polystyrene (PS)/ Polymethyl methacrylate (PMMA) ternary polymer blend was investigated. The blending method highly influenced the dispersion and size of dispersed domain where the injection molding method was successfully reduced the size of dispersed domain from 10 µm by extrusion further down to 1 µm in average diameter. The batch pressure quenched foaming of the ternary blend prepared by extrusion and injection molding with supercritical carbon dioxide (CO 2 ) was conducted in the temperature range of 130 to 160°C to observe the controllability of bubble location and size in two different ternary blend systems. The experimental results showed that method of sample preparation is one of the important factors in controlling the cellular structure of ternary blend foam besides interfacial tension, foaming temperature, and viscoelasticity.Keywords: polymer blend, extrusion, injection molding, cellular structure, foam Abstrak Kesan kaedah pencampuran pada morfologi dan juga struktur sel Polipropena (PP)/Polisterina (PS)/ Polimetil metaakrilat (PMMA) campuran pertigaan polimer telah dikaji. Kaedah pencampuran sangat mempengaruhi penyebaran dan saiz domain di mana kaedah pengacuan suntikan telah berjaya mengurangkan saiz domain dari 10 μm oleh kaedah penyemperitan kepada serendah 1 μm diameter purata. Proses pelepasan tekanan secara mendadak dengan karbon dioksida genting lampau (CO 2 ) telah dijalankan bagi penghasilan sampel busar daripada gabungan pertigaan polimer dalam lingkungan suhu 60-130°C untuk melihat kebolehkawalan lokasi gelembung dan saiz. Keputusan eksperimen menunjukkan bahawa kaedah penyediaan sampel, tegangan antara permukaan dua polimer, suhu pembentukan busar dan likat-kenyal adalah faktor penting untuk mengawal struktur sel dalam sistem gabungan pertigaan polimer.Kata kunci: percampuran polimer, penyemperitan, pengacuan suntikan, struktur sel, busar ISSN -2506 Rahida Wati & Ohshima: COMPARISON STUDY BETWEEN EXTRUSION AND INJECTION MOLDING ON CELLULAR STRUCTURE OF PP/PS/PMMA TERNARY BLEND FOAM 128Introduction Polymer blends received many attentions due to the increasing application of plastic industry especially in automobile, packing, and many potential applications. Recently, much attention has been directed to ternary polymer blend [1]. Prior to develop a new material based on multi-component polymer, understanding and controlling the phase morphology are the primary interest. This is because the morphology is directly influenced the mechanical performance in polymer blend [2]. These final properties of polymer blend can be controlled by considering polymer molecular structure, composition, molecular weight [3], and method of blend preparation [4]. According to Guo et al. [5], in ternary polymer system, one of the minor components formed an encapsulating layer around domains of other minor components (encapsulation-type morphology) as shown in Figure 1. Whereas in other systems th...

show abstract

Morphology and rheology of immiscible polymer blends filled with silica nanoparticles

Cited by 415 publications

References 35 publications

Blends of ground tire rubber devulcanized by microwaves/HDPE - Part B: influence of clay addition

Blends of ground tire rubber devulcanized by microwaves/HDPE - Part B: influence of clay addition

Tuning the processability, morphology and biodegradability of clay incorporated PLA/LLDPE blends via selective localization of nanoclay induced by melt mixing sequence

Comparison Study Between Extrusion and Injection Molding on Cellular Structure of Pp/Ps/Pmma Ternary Blend Foam

Contact Info

Product

Resources

About