Aminoddin Haji

Aminoddin Haji
Yazd University · Department of Textile Engineering

PhD

About

168
Publications
48,444
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1,745
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Introduction
Dr. Aminoddin Haji obtained his Ph.D., MSc and BSc degrees from AUT, Tehran, Iran. Dr. Haji is presently working as an Assistant Professor in the Department of Textile Engineering, Yazd University, Iran. His area of interest is Surface modification of textiles, Natural and synthetic dyeing of textiles and Nanotechnology in textiles and wastewater treatment. He has already published 65 journal papers (ISI and Scopus), 7 book chapters, and presented more than 55 papers in international conferences
Additional affiliations
September 2018 - present
Yazd University
Position
  • Professor (Assistant)
January 2004 - September 2018
Islamic Azad University, Birjand Branch
Position
  • Head of Department

Publications

Publications (168)
Article
Full-text available
Unlike the term sound insulation, which means reducing the penetration of noise into other areas, sound absorption means reducing the reflection and energy of the sound on the surface. It has become a highly noticed issue in recent years because the noise in our daily life is increasing day by day, and it causes some health and comfort disorders. I...
Article
In the present research, silver nanoparticles (Ag NPs) were in-situ synthesized on cellulosic cotton fabric using low pressure cold plasma (LP) as a novel, green and one step method. No chemical reducing agents were applied and water vapor was used to reduce silver ions (Ag⁺) into silver nanoparticles. Washed Cotton fabrics were activated by oxygen...
Conference Paper
Full-text available
Plasma treatment is a dry and environmentally friendly process for modifying specific properties of polymers and textiles. In this study, PET/Wool fabric was subjected to oxygen/argon low-pressure plasma treatment at different durations. The effect of plasma treatment on various physical properties, including bending length, air permeability, wrink...
Article
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This work attempted to fabricate superhydrophobic fabric via a simple immersion technique. Textile fabrics were coated with silica nanoparticles prepared from tetraethoxysilane (TEOS) to obtain sufficient roughness with hydrophobic surface chemistry. Then, the coated fabrics were treated with polydimethylsiloxane (PDMS) and aminopropyltriethoxysila...
Article
Color matching is an important issue in textile dyeing especially when facing with natural dyes. Generally, the expert engineers evaluate the fabric’s color visually and try different dyeing parameters to achieve that based on the trial and error method and their own experiences. In this study a database was created by evaluating the color of polye...
Conference Paper
Full-text available
In this study, O2/Ar plasma was used for surface activation and attachment of chitosan on cotton fabric. The effects of plasma treatment and chitosan attachment on the color strength, and fastness properties of the samples printed with a direct dye was investigated. The results showed that both plasma treatment and subsequent chitosan attachment en...
Conference Paper
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Among different methods to synthesize silver nanoparticles, the biological method has been extensively investigated. In this study, an in-situ approach was used to synthesis silver nanoparticles (AgNPs) on the surface of wool fabric. The pomegranate peel was employed as a colorant and reducing agent. The change of surface morphology was investigate...
Article
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Green technologies in isolation and extraction of natural products have always been welcomed due to awareness about environmental standards for global health. The current research was performed to use microwave energy to extract natural dyes from lac insects and their application onto nylon fabric. For isolation of natural dye from lac insect in ac...
Article
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Water-repellent textiles are usually prepared by application of hydrophobic polymers such as fluorocarbons on fabrics using padding or spraying methods followed by drying and curing steps. These procedures impart hydrophobicity to the fabric, but harm the physical and handle properties of the fabric. In this study, low-pressure plasma was employed...
Conference Paper
Full-text available
Use of synthetic dyes for dyeing of textile fabrics is most problematic environmental concerned for textile industry. The demand of natural colourants for the dyeing of textile fabrics has been increasing. Thus, sustainable novel technologies for textile dyeing are needed that utilize improved colour strength and enhanced performance characteristi...
Article
Full-text available
Nowadays, Due to the environmental pollution associated with synthetic dyes, the attention to the application of natural dyes in the textile industry is growing. Natural dyes are environmentally friendly and possess some advantages and disadvantages in comparison with synthetic dyes. One of the main drawbacks of natural dyes is the low exhaustion o...
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ICONTEX2022 and ICONWOOLF2022 aim to gather various researchers and textile professionals to promote advanced technologies and innovations in textiles. During this congress, we would like to host distinguished textile researchers, academicians and textile technologists from all around the World offering an excellent opportunity to bring together ea...
Article
In this study, polyester fabric was dyed with madder as an environmentally friendly natural dye. According to Box-Behnken experimental design, 46 samples were dyed under various levels of five parameters including dye concentration, dyebath pH, temperature, time, and liquor ratio, and the color strength (K/S) of the dyed samples was measured. To ev...
Article
Polypropylene (PP) nonwoven fabric was modified by grafting of β-cyclodextrin using a pad-dry-cure process. Citric acid and sodium hypophosphite were used as crosslinking agent and catalyst, respectively. To improve the wettability and loading of β-cyclodextrin in the grafting process, oxygen plasma pretreatment was employed. FTIR, SEM, and EDX ana...
Conference Paper
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Article
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Owing to the ongoing pandemic, the importance of and demand for antimicrobial textiles have reached new heights. In addition to being used for medical purposes, antimicrobial textiles could be a self-defense entity against microbes for the general population. Because textiles are widely used, they can effectively be used to prevent the spread of mi...
Article
In this study, polypropylene (PP) and polypropylene/nanoclay composite multifilament yarns with different nanoclay contents were prepared by melt spinning. The knitted fabrics were then made from these yarns and subjected to oxygen plasma treatment for 5 min. The samples were dyed with a disperse dye and an acid dye and the color strength, color co...
Research Proposal
Full-text available
Dear Colleagues, In recent years, nano-scale technology has been explored and developed for applications in different domestic and industrial areas. Such nano-scale technology could be used for making nanofibers, developing coatings for specific purposes, and applying surface modifications. This Special Issue welcomes papers in all areas related to...
Chapter
Plasma is often called the fourth state of matter due to its unique properties compared to solid, liquid, and gas states. It is an ionized gas containing radicals, positively and negatively charged particles, that resulted from a short‐term induction of high energy (e.g., heat, electricity) into a gaseous system. Plasma treatment, a solvent‐free an...
Chapter
Petroleum‐based synthetic fibers dominate global production and demand essential wet treatments during the dyeing stage. Though different attempts have been made to improve the dyeability, and reduce production time and environmental hazard, the inclusion of plasma in textile dyeing, outperforms most of the proposed techniques. Plasma treatment, a...
Chapter
Plasma treatment is an environmentally friendly process for sustainable surface modification of textiles. This process is fiber-independent and can influence on the top nanometers of the surface of fibers, remaining the bulk properties intact. Plasma treatment equipment can be classified based on working temperature, pressure, voltage, and frequenc...
Chapter
An important approach for preparation of sustainable textiles through green chemistry is the application of natural compounds in dyeing and finishing processes. Several plant extracts can be used for dyeing of different textile fibers. Functional properties such as antimicrobial activity, anti-odor, ultraviolet protection, etc., can be obtained whe...
Article
In this study, cotton fabric was crosslinked with citric acid (CA) in the presence of sodium hypophosphite using a pad-dry-cure process under the optimum conditions. The chemistry and morphology of the crosslinked fibers were studied and compared with the untreated fibers using FTIR and SEM. The crosslinked fabric was dyed with the natural cationic...
Article
Full-text available
Due to the environmetal and health related problems associated with the use of synthetic dyes, there is a growing tendency for the use of eco-friendly and less harmful natural dyes in the textile industry. In this study, the leaves of Citrus aurantium were used as a new source for environmentally-friendly dyeing of wool. The effect of four importan...
Article
With the aim of introducing a new source of natural dye and developing a sustainable coloration process, the dyeing of wool with the leaves of Berberis thunbergii DC was optimized using response surface methodology. The results showed that increasing the dye concentration and dyebath temperature increased the color strength (K/S) and increasing the...
Article
Natural dyes are gaining more attention due to their non-toxic and eco-friendly nature. However, dyeing with natural dyes has limitations and is challenging to apply, as they possess some inherent demerits, such as less or no attraction towards the textile substrate, requirements of mordant, fixers and other chemicals for fixation onto the textile...
Article
Full-text available
Functionalization of polyethylene film with nanoparticles is an interesting approach for preparation of antibacterial packaging. Due to the lack of functional groups on the polyethylene chain for attachment of the nanoparticles, surface modification of the polyethylene film is necessary. In this study, plasma treatment was employed to initiate the...
Article
Herein, a magnetic zirconium-based metal organic framework nanocomposite was synthesized by a simple solvothermal method and used as an adsorbent for removal of direct and acid dyes from aqueous solution. In order to enhance its adsorption performance, poly(propyleneimine) dendrimer was used to functionalize the as-synthesized magnetic porous nanoc...
Article
Nylon-6/poly(propylene imine) dendrimer hybrid nanofibers (N6-PPI) were prepared by electrospinning. Their ability to remove Acid Red 252 as a model anionic dye was studied. Fourier transform infrared spectrometer and scanning electron microscope were used to investigate the chemical structure and morphology of the prepared nanofibers, respectively...
Article
Purpose The dyeing of cellulosic and proteinous fibers with natural and synthetic colorants usually needs large amounts of metal salts to promote the dyeing procedure. To get rid of the necessity to use metal salts, plasma treatment and subsequent attachment of chitosan biopolymer were considered as green processes for surface functionalization of...
Article
Full-text available
Dye-containing wastewater is one of the main environmental challenges that can cause health issues. It is crucial to remove the dyes from wastewater before its discharge into the environment. This study aims to evaluate the efficiency of aptenia cordifolia mucilage in removal of anionic dyes from textile wastewater via coagulation and flocculation...
Article
In this study, the effect of surface modification of wool fiber with oxygen plasma and chitosan (PC) on the color strength of the samples dyed with cochineal and safflower natural dyes has been studied. According to colorimetric measurements, plasma and chitosan treatments resulted in notable improvements in dyeability of wool fibers. The plasma an...
Article
Natural dyes are gaining more attention due to their non-toxic and eco-friendly nature. However, dyeing with natural dyes has limitations and is challenging to apply, as they possess some inherent demerits, such as less or no attraction towards the textile substrate, requirements of mordant, fixers and other chemicals for fixation onto the textile...
Chapter
Nowadays, there is a great interest in the textile industry for production of functional textiles using environmentally friendly materials and processes. Cyclodextrins are cyclic oligosaccharides with truncated cone shape having hydrophilic surface containing hydroxyl groups and a cavity with hydrophobic character which is able to form reversible i...
Article
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Natural colors particularly animal-based colorants are employed in the field of cosmetics, food, and flavors and also gaining popularity in textiles, due to their soothing nature. In this study, the microwave-assisted extraction of colorant from cochineal insects for dyeing of bio-mordanted silk has been carried out. Acidic, methanolic, and acidifi...
Article
Full-text available
Purpose Despite the increasing popularity of natural dyeing of textiles, the low substantivity between the fibers and the natural dyes is a problem. Several methods have been used to overcome this problem. In this study, wool fibers were pretreated with oxygen plasma under different conditions and dyed with the extract of grape leaves. The purpose...
Article
Full-text available
Both the dyeing and finishing of textiles with natural compounds are gaining increasing attention because of various environmental and health problems associated with the use of synthetic reagents. In this study, wool fibres were dyed with three natural dyes, namely, Arnebia euchroma, cotton pods and harmal seeds. Alum was used as the mordant, and...
Article
Full-text available
In this study, response surface methodology was employed for optimization of natural dyeing of wool with henna leaves and yarrow flowers. As natural dyes have generally low affinity towards textile fibers and need considerable amounts of metal mordants to be absorbed satisfactorily, plasma treatment was used as an environmentally friendly pretreatm...
Article
Full-text available
Nowadays, there is an increasing interest in finding new sources of natural dyes with easy accessibility, high color strength, low cost, and high fastness properties. In this study, harmal seed has been used as a new source of natural dye on wool fibers. Harmal (Peganum Harmala) can be found extensively in several regions of Iran as a self-growing...
Conference Paper
Full-text available
در این پژوهش، فیلم پلی اتیلن با نانوذرات اکسیدروی به منظور دست یابی به خواص ضدمیکروبی پوشش داده شد. پلاسمای اکسیژن و هم چنین پیوندزنی اکریلیک اسید سبب ایجاد گروه های فعال سطحی بر روی فیلم پلی اتیلن شدند که در نتیجه باعث شدند تا نانوذرات بیشتری برروی فیلم تثبیت شود و این عملیات منجر به بالارفتن فعالیت ضدمیکروبی فیلم شد. تکنیک FTIR اتصال موفق اکریلیک...
Conference Paper
Full-text available
امروزه فرآیندهای مختلفی برای تصفیه پساب‌های صنعتی و حذف فلزات سنگین از آنها انجام می‌شوند. از جمله این روش‌ها می‌توان به استفاده از جاذب‌های مختلف مانند نانولوله‌های کربنی چندجداره و فتوکاتالیست هایی مانند نانوذرات دی اکسید تیانیوم اشاره کرد. در این تحقیق نانوالیاف کیتوسان/پلی وینیل الکل حاوی نانولوله¬های کربنی چندجداره توسط روش الکتروریسی تهیه شده...
Article
Full-text available
Nowadays, there is a great tendency for eco-dyeing and finishing of textiles with natural products. several natural dyes have been used for dyeing of protein fibers but a low number have the ability to dye cotton fiber because of low affinity of cellulose to the natural dyes. In this study madder and weld natural colorants were used to dye cotton f...
Cover Page
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TEXTEH IX International Conference will be organized by INCDTP in Bucharest in 24-25 October, 2019.
Article
The aim of this study is to prepare a polypropylene nonwoven with the ability to adsorb both anionic and cationic compounds from aqueous media. Polypropylene nonwoven was activated with oxygen plasma and acrylic acid was grafted on it. Then, poly(propylene imine) dendrimer was grafted on it by a pad-dry-cure process. The effect of three parameters...
Conference Paper
Full-text available
In this study, wool fibers were dyed with three natural dyes including Arnebia euchroma, cotton pods, and harmal seeds. Alum was used as mordant and samples were mordanted by pre-mordanting method. Oxygen plasma was employed for surface modification of wool. Plasma treatment time, Alum concentration, dyebath temperature and pH were selected as the...
Conference Paper
Full-text available
In this study, glass fiber mat was used as reinforcement to prepare an epoxy composite. Oxygen and argon plasma were used for surface modification of glass fibers to improve their adhesion to the epoxy resin and enhance the mechanical strength of the prepared composite. Plasma treatment variables were gas type (oxygen and argon), gas flow rate, tre...
Article
Full-text available
The development of social life and the industrialization of countries have led to increased environmental pollution. Among the industrial pollutants entering the water flow, synthetic dyes and pigments are of particular importance due to their chemical stability and resistance to bio-degradation. Due to the complexity of contaminants found in the w...
Article
Full-text available
Nowadays, there is an increasing interest in finding new sources of natural dyes with easy accessibility, high color strength, low cost, and high fastness properties. In this study, harmal seed has been used as a new source of natural dye on wool fibers. Harmal (Peganum Harmala) can be found extensively in several regions of Iran as a self-growing...
Article
Full-text available
Adsorption is a surface process. By evolution, nature has created design principles such as scaffolds that allow to carrying surface bound agents at high density. We used a nanofibrous pullulan/poly(vinyl alcohol)/poly(acrylic acid) (Pul/PVA/PAA) support to carry surface active PAMAM dendrimer similar to spores attached to mushroom gills. A monolay...
Article
The contribution of a nanofiber based support and dendrimer coating on the visible light photocatalytic activity of CeO 2 (ceria) nanoparticles towards phenol and azorubine dye was investigated. CeO 2 nanoparticles were immobilized on electrospun nanofiber mats obtained from pullulan/poly(vinyl alcohol)/poly(acrylic acid) (Pul/PVA/PAA) blends and t...
Article
Full-text available
Despite the vast variety of studies in the field of effect of different mordants on dyeing and fastness properties of wool with natural dyes, there is no thorough investigation on the effect of metal mordants on tensile properties of wool. In this study, five different metallic salts namely aluminum potassium sulfate, tin chloride, potassium dichro...
Conference Paper
Full-text available
آلودگیهای زیست محیطی ایجاد شده توسط برخی فرایندهای صنعت نساجی منجر به توسعه فرآیندهای دوستدار محیط زیست برای اصلاح خواص الیاف و بهبود فرایندهای سنتی موجود شده است. استفاده از عملیات پلاسما در فرایندهای تکمیلی می‌تواند خواص سطحی الیاف را بدون تاثیر آنچنانی بر ساختار و خواص داخلی آن، اصلاح کند. در این تحقیق از عملیات پلاسما به عنوان یک روش دوستدار مح...
Conference Paper
Full-text available
در این تحقیق از رنگزای طبیعی کاتیونیک حاصل از چوب درختچه زرشک، برای رنگرزی پارچه پنبه ای استفاده شده است. از آنجا که این ماده میل طبیعی به الیاف پنبه ندارد، برای بهبود جذب آن، ابتدا پارچه پنبه ای به کمک سیتریک اسید که آن هم یک ماده طبیعی، ارزان و دوستدار محیط زیست است اصلاح شیمیایی شده است. جذب رنگ توسط الیاف با استفاده از اندازه گیری قدرت رنگی کال...
Conference Paper
Full-text available
در اين تحقیق، پوست سخت پسته توسط اسید سیتریک مورد اصلاح شیمیایی قرار گرفته و سپس توانایی آن در رنگبري پساب حاوری رنگزای متیلن بلو مورد مطالعه قرار گرفت. تاثیر پارامترهاي مختلفي نظير زمان تماس، غلظت رنگزا، مقدار مصرفي جاذب و اسیدیته بررسي شد. نتايج حاصل نشان داد ميزان حذف رنگزا با افزايش ميزان جاذب مصرفي و زمان تماس افزايش مي يابد. نتایج نشان دادکه...
Article
Full-text available
In this study, Berberis vulgaris L. wood as an agricultural waste was used for dyeing and functional finishing of cotton. To facilitate the attachment of natural dye, citric acid was used to create carboxylic acid functional groups on cotton fibers. The process of crosslinking of cotton fabric with citric acid was optimized in order to obtain the m...
Conference Paper
Full-text available
This work presents the effects of plasma treatment on several properties of wool fibers. Surface chemistry of wool fibers was studied using ATR-FTIR spectroscopy. FESEM and AFM images were employed to investigate the surface morphology of wool fibers before and after plasma treatment. To examine the effects of these changes on the performance of wo...
Article
Full-text available
In this study, wool fibers were dyed using the Juglans regia bark as a new source of natural dye. Alum was used as mordant. Response surface methodology and D-optimal design were employed to study and optimize the dyeing procedure with the aim of obtaining the maximum color value after dyeing with aqueous extract of Juglans regia bark. The results...
Article
The keratin macromolecule in wool fiber may be found in α-helix or β-sheet conformations besides a disordered portion. The physical and chemical treatments may cause transformations between α-helix and β-sheet conformations. The aim of this study was to investigate the influence of lecithin treatment on the wool fiber using the micro-Raman spectros...
Article
In this study, plasma treatment and a poly(propylene imine) dendrimer were employed to improve the dyeability of wool fibers with cochineal natural dye. FESEM, EDX, AFM and FTIR techniques were employed to investigate the effects of these treatments on chemical and physical properties of wool fibers. The etching of the surface layer of wool fibers...
Article
Full-text available
In this study, cotton fibers were dyed with pomegranate rinds as a natural dye. To improve the dyeability of cotton fibers, chitosan was applied on the surface of the fibers. To enhance the application and adhesion of chitosan, oxygen plasma pretreatment was utilized. The procedure was optimized by response surface methodology and the most effectiv...
Conference Paper
Full-text available
Textiles can provide suitable environment for microorganisms growth such as bacterials and fungis. The microorganisms can grow in suitable humidity, temperature and human body contact. Other side, Textile production with self-cleaning property is important in textile industry. In the paper, we used chitosan as anti-bacterial material and nano-titan...
Conference Paper
Full-text available
In this study, the extract of eucalyptus leaves was used as a natural dye on wool fibers. Different mordants including alum, ferrous sulfate, copper sulfate, potassium dichromate and stannous chloride were applied on wool fibers prior to dyeing and the effect of each mordant on color strength, color coordinates and fastness properties of the dyed s...
Conference Paper
Full-text available
Recently, due to environmental reasons and consumer health, dyeing of textile fibers, especially natural fibers, has become especially important in natural dyes. The dye used in the study is Gelverd. To investigate the effect of ultraviolet radiation on the modification of fiber surface and dye absorption, various experiments were designed. In trea...
Article
Full-text available
Nowadays, due to the ecological and health concerns associated with the use of synthetic dyes, there is a great tendency for the use of natural dyes in the dyeing of textiles, especially natural fibers. Unlike protein fibers, cotton has a very low affinity toward the natural dyes and the dyed goods have low fastness properties besides low color str...
Article
Radiation treatment in textile processing has gained great popularity due to its clean, uniform and efficient nature. Present study is concerned with plasma treatment of wool fabric to improve its dyeing behaviour using Drimarene red dye. Prior to dyeing wool fabric was exposed to cold plasma under different powers, gases and time intervals. Subseq...
Conference Paper
Full-text available
Application of natural dyes is one of the subject that increasely examined. Extension the cultivation of industrial plants in addition to the benefits of green areas and reducing environmental pollution caused human tendency to use of the dyes and solutions for facilitating the working with them. Different techniques apply for increasing of dye abs...
Conference Paper
Full-text available
In this study, in order to achieve self-cleaning properties, titanium dioxide nanoparticles were attached to wool fibers using acrylic acid. To graft acrylic acid on wool fibers, plasma treatment was used as a pretreatment on wool goods. The coating process was done by paddry-cure method. In order to find the optimal conditions to achieve maximum...
Conference Paper
Full-text available
The aim of this research was the improvement of wool dyeing with cochineal natural dye using oxygen plasma treatment and studying the sorption isotherms. Natural dyes are generally applied on wool fibers after mordanting using metal salts to improve the dye absorption. Metal mordants are generally considered as toxic. In this study plasma treatmen...
Conference Paper
Full-text available
Plasma treatment is considered as an environmentally friendly process for surface modification of textiles with no inverse effect on bulk properties of the fibers. In this study, oxygen plasma was used to modify the surface properties of wool fibers. Plasma treatment time, power and oxygen flow rate were chosen as the process variable factors. Resp...
Conference Paper
Full-text available
Electrospinning of polystyrene (PS) solutions was carried out under controlled conditions. To obtain uniform and bead-free PS nanofibers, it was evident that the minimum solution concentration must be chosen at 15 wt% for both solvents. The PS/DMF solutions were found to fabricate a sufficient capacity of fibers to form a uniform nanofibers mat. Bu...
Article
In this study, a new source of natural dye was introduced. Dried cotton pods were used as a source of natural dye for coloration of wool. Oxygen plasma was used as a pre-treatment to improve the dyeability of wool fibers. FTIR and FESEM were employed to observe the changes made on the fiber surfaces after plasma treatment. The dyeing process of pla...
Article
Full-text available
In this study, wool fibers were dyed using grape leaves. To improve the dyeability, wool fibers were pre-treated with oxygen plasma. Response surface methodology and Box-Behnken design were employed to study and optimize the plasma treatment with the aim of obtaining the maximum color strength after dyeing of the plasma treated samples with aqueous...
Conference Paper
Full-text available
In this study plasma treatment and subsequent chitosan coating were considered as pretreatments to improve the loading and fastness of titanium dioxide nanoparticles on cotton fibers. The surface morphology of raw, plasma treated, chitosan coated and TiO2 functionalized samples were analyzed using scanning electron microscopy. The self cleaning pro...
Conference Paper
Full-text available
In this study, the effect of oxygen plasma treatment of carbon fibers on interfacial adhesion of carbon fiber/epoxy composite was investigated. The changes in surface properties of carbon fibers after plasma treatment were studied using atomic force microscopy, scanning electron microscopy, and attenuated total reflectance Fourier transform infrare...
Conference Paper
Full-text available
Multi-walled carbon nanotubes (MWCNTs)/ polyvinylpyrrolidone (PVP) composite nanofibers having varying amounts of MWCNTs were fabricated with the aim to investigate the potential of such nanofibers as an effective light weight electromagnetic interference (EMI) shielding material in the frequency range of 8.2– 12.4 GHz (X-band). The TEM and SEM ana...
Conference Paper
Full-text available
Silk has become a very popular protein fiber, owing to its special characteristics of durability, softness, luster and surface smoothness [1]. It can be dyed with various synthetic and natural dyes. Natural dyes are known for their beautiful, soft and multi-hued shades. Recently, the interest in the dyeing of textile fibers with natural dyes has be...
Conference Paper
Full-text available
In this study, the effect of low pressure oxygen plasma treatment and subsequent chitosan treatment on the dyeability of cotton and wool fabrics is investigated. Raw, plasma treated and chitosan coated wool and cotton samples were dyed with natural dye extracted from dried cotton pods. The effect of each modification on the color strength of the dy...
Conference Paper
Full-text available
سطح مشترک و چسبندگی میان رزین و الیاف نقش مهم و موثری در عملکرد کامپوزیت ها دارد. الیاف کربن به دلیل نحوه فرآیند تولیدد دارای سطوحی صاف و دارای گروههای شیمیایی اندکی در سطح میباشند که این خصوصیات باعث میشود که الیاف بهسختی بدا رزیدن واکنش دهند و در نتیجه چسبندگی مناسبی میان ماتریکس و الیاف برقرار نمیشود. برای برطرف کردن این مشکل الیاف کربن را تحدت...