The prepared lignin from black liquor of bagasse was added to PVA/Gelatin blends (80/20%) at 5.0 20.0 phr concentrations (part per hundred volume the blend). PVA/Gelatin-Lignin composites subjected 5.0, 10.0, 15.0, and 25.0 kGy gamma irradiation doses. Lignin characterised by dynamic light scattering (DLS), tensile strength (TS) water absorption. 712 1106 nm in diameter size. TS decreased content up increases dose kGy. absorption not changed greatly time after 3 h. After 90 days exposure...

Abstract Phenolic antioxidants (PhA), a novel antioxidant for natural rubber (NR), were used in the current study. As anti-aging agents, different concentrations of gallic acid (G) or tannic (T) added to NR/PhA composites increase their heat resistance. The composites’ mechanical, Physico-chemical, and DSC characteristics evaluated, as well thermo-oxidative aging evaluations. This led significant improvement mechanical properties composites, making them superior NR/Antage (as traditional...

Different concentrations of fillers such as manganese dioxide (MnO 2 ) and magnetite (Fe 3 O 4 were incorporated into acrylonitrile butadiene rubber (NBR)-interlinked composites. The prepared composite systems irradiated by electrons at a constant dose 50 kGy to induce radiation cross-linking under atmospheric conditions. effect different contents temperature variations on direct current (DC) electrical conductivity, σ DC , in NBR/MnO NBR/Fe mixture was investigated. calculated activation...

Abstract The impact of graphene oxide (GO) nanoparticle content and exposure to electron beam (EB) on the tensile, dynamic mechanical, water uptake, thermal properties high‐density polyethylene/bagasse fibers composite was investigated. GO added at different loading levels: 0.25, 0.5, 0.75, 1 parts per hundred plastic (php), while 2 doses EB were used (100 200 kGy). influence adding 10 php carbon black (CB) HDPE/BF also addition irradiation up 100 kGy, along with inclusion CB, led...

In this study, waste newsprint paper fiber was treated by polystyrene emulsion and included as a filler in styrene butadiene rubber. Then, the composites were subjected to electron beam irradiation at different doses, follow-up done on effect of dose concentration mechanical physical properties prepared composites. The results indicated that like tensile strength, elongation break, stiffness, toughness enhanced increase radiation content. Also, soluble fraction, swelling ratio, volume...

Abstract This investigation was undertaken to prepare composites of waste polyethylene (WPE) with concentrations 5, 15, and 25 wt% rubber powder (WRP) determine the changes in properties these before after treatment WRP acrylic acid. Mechanical, physical, thermal, FTIR, SEM investigations showed that treated gamma‐irradiated WRPs gave better than untreated ones. Hence, a simple method based on recycled could be achieved without using expensive polymeric wastes. J. VINYL ADDIT. TECHNOL.,...

Waste rubber (WR) powder as a vulcanized one was introduced into two-roll mill in the presence of various ratios curatives to develop sheets devulcanized waste (DWR). Thermoplastic elastomers (TPE) were prepared by blending either WR or obtained DWR with expanded polystyrene (EPS) at fixed ratio 70 rubber/30 EPS absence gamma irradiation 100 kGy. Maleic anhydride (MA) 1 wt% respect used coupling agent. The mechanical parameters blends: tensile properties, rheology, hardness (Shore D), and...

Sorbic acid (SA) is available in the market for low-cost and eco-friendly. It known using as a preservative. SA was used modifier together with gamma radiation to improve properties of ethylene propylene diene monomer rubber (EPDM). The effect concentration irradiation dose on mechanical physico-chemical EPDM investigated. results indicated that blended were improved compared untreated sample. highest improvement achieved by concentrations 10 phr (part per hundred part rubber) 100 kGy...

Effect of electron beam irradiation on the mechanical and physicochemical properties both styrene butadiene rubber (SBR)/clay ethylene propylene diene monomer (EPDM)/clay nanocomposites containing clay contents from 3 to 10 phr prepared by melt blending method has been investigated. The composites were subjected doses up 150 kGy induce radiation curing, whereas in terms tensile strength (TS), tear (Ts), elongation at break (Eb) studied as a function dose content. TS Ts increased with...

Abstract Waste tire rubber was comparatively devulcanized by using two-roll mill mechano-chemical and microwave techniques at room temperature. The former technique performed utilizing tetramethylthiuram disulfide mercaptobenzothiazole disulfide. developed elastomer characterized scanning electron microscopy, chemical soluble fraction indication, cross-link density determination. blend mixed in two roll mills replacing a portion of virgin styrene-butadiene (SBR) common formulation with the...

The effects of electron beam irradiation dose (50–150 kGy) and the concentration montmorillonite (MMT) clay (3–10 parts per hundred part rubber (phr)) on properties acrylonitrile butadiene (NBR) have been investigated. dispersion layered silicates was assessed by x-ray diffraction transmission microscopy. morphology NBR nanocomposites showed exfoliated layers at low content a combination intercalated high content. mechanical composites such as tensile strength (TS) tear were remarkably...

The effect of silicate load in waste ceramic dust on characteristics and performance acrylonitrile butadiene rubber has been investigated. In order to enhance the interfacial adhesion between matrix filler, latter was activated with two different types coupling agents, vinyltriethoxysilane (SN) maleic anhydride (MA), then subjected gamma rays at 100 kGy. Scanning electron microscopy, Fourier‐transform infrared spectroscopy, X‐ray diffraction techniques were implemented feature how unmodified...

Abstract The engagement of waste tires rubber as source raw materials for different applications can be a partial solution to the great environmental problems caused by these products. In this study, tire was devulcanized using both mechano–chemical and microwave methods. This process achieved concentrations 2-mercapto benzothiazole disulfide (MBTS) tetramethylthiuram (TMTD) devulcanizing agent times. optimum content MBTS, TMTD suitable treatment time make continuous film were noted. then...

Abstract In the present study, effect of electron beam irradiation on morphological, thermal, and mechanical properties waste polyamide copolymer (WPA‐66/6) blended with different contents acrylonitrile butadiene rubber (NBR) were studied. The prepared blends subjected to doses up 150 kGy structural modifications discussed; non‐irradiated used as control. Mechanical properties, namely, tensile strength (TS), yield strength, elongation at break, hardness, followed functions dose degree...

The effect of incorporating sorbic acid (SA), an echo-friendly curing agent, and silica or carbon black (CB) filler, as well gamma irradiation on the physico-chemical, mechanical thermal properties ethylene propylene diene monomer rubber (EPDM) was investigated. results indicated that developed composites revealed improvement in studied parameters over untreated samples. Filler incorporation into matrix has been proven a key factor enhancing swelling resistance, tensile strength fabricated...

Abstract Virgin styrene‐butadiene rubber (SBR) was replaced by devulcanized waste tire (DWR) 50/50 and used as a base for preparing composites to depend on different silicate types at fixed content 40 phr (part per hundred part of rubber). All were mixed roll mill then subjected electron beam irradiation induce cross‐linking dose 100 kGy. Different fillers in this study such precipitated silica (PS) phr, glass window (WG) – PS 20/20 fly ash (FA)‐PS micaosilica (MS)‐PS phr. Waste treated with...