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Showing 2 results for Natural Dyes

Mr Mohammad Reza Shahparvari, Dr Siyamak Safapour, Dr Kamaladin Gharanjig,
Volume 13, Issue 32 (3-2018)
Abstract

To increase the color range of textile. Dyeing is to be done with more than one color-shedding substances, However before the conduction of Dyeing with the form of combining color-substances, the capability and probability of the combination, that is to be tested with the scale of degree in compatibility, has to be considered.
Bearing in mind the necessity of producing a high range of color in hand-woven carpet and importance of compatibility in dyeing materials, this research is looking for the extent of compatibility in color, substances including: Madder, weld, Prangos ferulacea and walnut shell on woolen thread, Raw and mordanted with aluminum sulfate as one of the means of estimating compatibility
The result has shown that the dyeing capability in woolen thread with walnut shell in comparison with three other color shedding substances is variable. thus the similarity in extent of compatibility in three color- shedding substances: Madder substances: madder weld and Prangos ferulacea shows the high compatibility they have in common.
However differences in the diagram of dyeing of walnut shell shows little compatibility of these substances in getting combined with madder, weld and Prangos ferulacea.
After the calculating the capacity of dyeing in each of coloring substances woolen thread (on the basis of even combination of four dyeing substances with three different ratio) was dyed. The result shows that dyeing compatibility in Madder, weld and Prangos ferulacea in combination with each other is good to excellent in diagram. While combination of walnut shell with three other color substances caused very low compatibility. In addition to that, results show the effect of density and using dents in coloring.
On the whole result of this research have shown that dyeing substances madder weld and Prangos ferulacea have high compatibility with each other and have combination compatibility in the same range while possibility of combining three substances with walnut shell, duo to low compatibility is very low. The way of conducting this research is pragmatic and gathering of all the information is laboratory and library-based.

Mrs Seyedeh Akram Oliyaei Tabaei, Seyed Mohammad Mahdi Mirzaamini,
Volume 14, Issue 34 (3-2019)
Abstract

 Fars province is one of the centers for producing handmade carpets. This Province according to the division in the nomadic section Includes: Three tribes of Qashqai, khamseh and lor. And distributed north to south of the province in various urban and rural areas. This makes fars province one of the most valuable place in carpet waeving in Iran and a carpet exporter in the world.   Climate type and climatic conditions of this province cultivate various species of plants in the land, each of which combines with each other and different mordant , creates a variety of colors in the dyeing of fibers. This research is aimed at discovering the events and memories of the dyeing process, the type of color choices and the taste of rural and nomadic Persian weavers by oral history method.Oral history is in fact a consciously dialogue between two people about the dimensions of past events, both of which have historic significance and recorded to become a document and its durability. Oral history, as a research method from the beginning to the end, involves numerous, long, and timely stages. Which, if it meets its standards, will have tremendous results . And its purpose is merely to record the lost historical documents, such as memories, experiences, and knowledge of people directly related to the topic in question. This process, in this research, was conducted through interviewing and away from any interference with and application of the researcher's personal views, merely to record the memories of individuals. In this qualitative research, Semi-structured interview tool was interviewed with 42 factors of rural and nomadic carpet Fars. Sampling method was selected as snowball or incremental and sample size based on theoretical saturation. Dyeing of fibers in Fars tribes was done annually in the spring and after wool picking and washing the fibers. These tribes usually used of plants that are in their tripes, which is why it is possible that one of the reasons for the darkness of carpets in the Arabian and eastern parts of Fars with carpets of Qashqai  tribes and western regions, the same difference in the type of plants available to them. Fars province was one of the areas that used of chemical dyes after many years later. As the tribesmen did not know the proper dyeing process with these chemicals, they were treated like natural dyes, and sometimes they used natural teeth to fix it, which did not affect the color of the dye. Therefore, they do not wash their woolen linen, which are painted with chemical dyes, and usually replace and sell it after several years of use. Until in the 1970s, several producers such as Seyyed Razi Miri, Gholamreza Zolanvari and Abbas Sayyah re-tried to revive natural and vegetative dyes, and now the province has the most use in using these dyes in its nomadic and rural productions.
 


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