نتایج جستجو برای: cloisite 30b
تعداد نتایج: 476 فیلتر نتایج به سال:
Background and Objectives: Antimicrobial active packaging with metallic nanoparticles is used as antimicrobial agent in the packaging of food. This study considers the coliform retarding ability of antimicrobial packaging in ultra-filtrated (UF) cheese. Materials and Methods: Plastic films based on low-density polyethylene containing organoclay (cloisite 30B) and different percentages of Ag an...
nanocomposites based on phenolic resol and novolac resins and cloisite 30b were prepared. different kinds of phenolic resins and clay content were studied with respect to the morphology and mechanical properties of the polymer silicate layers. the phenolic resins, namely resol, novolac and their mixture and four different percentages of clay contents, 0.5, 1, 2 and 5 wt% have been considered. x...
This present paper investigates the influenceof clay (Cloisite 10A) and multiwalled carbon nanotubes (MWCNT) loading for tensile, flexural, thermal stability water absorption properties of recycled thermoplastic blend made from high-density polyethylene (rHDPE)and terephthalate (rPET). The nanocomposites were prepared via extrusion blending technique by using extruder compressed hot cold press ...
Bioinspired design has been central in the development of hierarchical nanocomposites. Particularly, the nacre-mimetic brick-and-mortar structure has shown excellent mechanical properties, as well as gas-barrier properties and optical transparency. Along with these intrinsic properties, the layered structure has also been utilized in sensing devices. Here we extend the multifunctionality of nac...
BACKGROUND Endocardiosis is the most common heart disease in Dachshunds and is therefore an important cause of cardiac morbidity and death. In recent years we have observed an increasing interest in the development of new genetic and genomic markers of heart disease. The discovery of miRNAs circulating in biofluids such as plasma or serum aroused researchers' interest in using them as potential...
Homocysteine (Hcy) is an independent risk factor for a variety of cardiovascular diseases, such as coronary heart disease, hypertension, stroke, etc. There is a close relationship between the vascular endothelial cell apoptosis and these diseases. Recent studies have shown homocysteine can induce apoptosis in endothelial cells, which may be an important mechanism for the development of theses c...
The effects of soft-segment molecular weight and organic modifier on properties of organic-modified MMT-PU nanocomposites " , J. App. Abstract: The effects of soft-segment molecular weight and organic modification of montmorillonite (MMT) on thermal and mechanical properties of segmented polyurethane (PU) elastomers were investigated. The PU/MMT nanocomposites were prepared by in situ polymeriz...
اثر انواع اصلاحکننده نانوخاکرس مونتموریلونیت (MT2EtOH و 2M2HT) و سازگارکننده (PE-g-MA) بر توسعه ساختار، شکلشناسی و سینتیک بلورینگی سرد آمیختههای نانوکامپوزیتی پلیلاکتید-پلیاتیلن دارای 4phr مونتموریلونیت اصلاحشده تجاری (کلویزیت 20A و 30B) بررسی شد. توسعه ساختار شکلشناسی و سینتیک بلورینگی سرد آمیختههای پلیمری نانوکامپوزیتی با روشهای پراش پرتو X، میکروسکوپی الکترونی پویشی، گرماسنجی پوی...
در این پژوهش پلی آمید 6 گرید الیاف توسط عامل گسترش زنجیر آیزوفورن دی ایزوسیانات اصلاح گردید. در ادامه پلی آمید 6 گسترش زنجیر یافته در تهیه آمیخته ها ونانو کامپوزیت ها با آکریلونیتریل بوتادین استایرن با ترکیب درصد های مختلف توسط اکسترودر دو مارپیچه مورد استفاده قرار گرفت. همچنین اثر کوپلیمر اکریلاتی ethylene/n-butyl acrylate/carbon monoxide و نانورس اصلاح شده cloisite 30b بر ریز ساختار و خواص ری...
this paper discusses about preparation of biodegradable polymer /clay nanocomposites based on organically modified montmorillonite clay; i.e. cloisite 10a and biodegradable polymer chitosan by solution mixing technique and their characterization. the nanocomposites were successfully prepared and their structures were characterized by powder x-ray diffraction (xrd), particle size analyzer (beckm...
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