A method for dying textiles, and a textile dyed using the method
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Solution Overview
Problem
Existing textile dyeing methods require large amounts of water and energy, are toxic, and complex, posing environmental and economic challenges.
Innovation Solution
A particulate compound comprising an inorganic pigment and a phyllosilicate or zeolite mineral, such as sepiolite, is used for dyeing textiles, which is environmentally friendly, simple to manufacture, and requires minimal water and energy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If conventional chemical dyes and complex dyeing methods are used, then color intensity and variety can be achieved, but water consumption and energy consumption increase significantly
Solution Approach 1:
The invention changes the chemical parameters of the dyeing system by using inorganic pigments (iron oxide, copper oxide, cobalt oxide, manganese oxide, chromium oxide) combined with natural binders (tannin, starch, gelatin, casein) instead of conventional organic dyes. This parameter change allows achieving color intensity while reducing water consumption by 30-50% and eliminating the need for extensive rinsing and fixation processes
Solution Approach 2:
The invention creates composite dyeing compositions by combining inorganic pigment particles with natural binder materials. The binder forms a matrix that holds the pigment particles and facilitates their attachment to textile fibers. This composite approach enables effective dyeing with reduced water and energy consumption while maintaining color fastness and intensity
2Adaptability or versatility
If conventional artificial dyes are used, then color variety can be achieved, but toxicity to workers and environment increases
Solution Approach 1:
The invention replaces persistent, toxic artificial dyes with natural, biodegradable materials. The use of natural binders (tannin from gall nuts, starch, gelatin, casein) and inorganic pigments creates a dyeing system that is environmentally friendly and safe for workers, while still providing variety through different pigment-binder combinations
Solution Approach 2:
The invention creates a safe, non-toxic working environment by using inert, natural materials that do not pose health risks to workers or harm the environment. The inorganic pigments and natural binders used are non-toxic and biodegradable, eliminating the harmful effects associated with conventional synthetic dyes
3Reliability
If conventional dyeing processes are used, then color fastness can be achieved, but process complexity and manufacturing cost increase
Solution Approach 1:
The invention achieves color fastness through preliminary binding action. The natural binders (tannin, starch, gelatin, casein) are applied to the textile fibers before or during the dyeing process, creating a binding layer that secures the inorganic pigment particles to the fibers. This preliminary binding action eliminates the need for complex subsequent fixation treatments while maintaining excellent color fastness
Solution Approach 2:
The natural binders in the invention perform self-service by automatically binding the pigment particles to the textile fibers through their inherent adhesive properties. The binders contain functional groups that form bonds with both the pigment particles and the fiber surfaces, creating a self-sufficient dyeing system that does not require additional chemical fixatives or complex processing steps
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The compound effectively dyes textiles with high quality and homogeneity, reducing environmental impact and production costs while maintaining color intensity and uniformity.
Implementation Method 1
The structure of the phyllosilicate or of the zeolite may provide for channels in/to which the pigment can diffuse and attach
Implementation Method 2
the pigment can diffuse and attach to the silicate mineral
Implementation Method 3
at least some of the pigment is bonded to the silicate mineral
Data Source
AI summary
A method for dyeing textiles, the method comprising: wetting (201) a textile with an aqueous solution or dispersion of a compound which comprises an inorganic pigment and a silicate mineral which is a phyllosilicate or a zeolite, and wherein said inorganic pigment is or comprises a mineral; the textile remaining (202) wet for a period of time; washing (203) the textile; and drying (204) the textile. Also, a textile dyed using said method.