Method for manufacturing processed fiber, processed fiber, method for suppressing damage to animal fiber, and method for processing animal fiber
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing methods for bleaching and dyeing animal fibers often damage the fibers, leading to deterioration of their unique texture and light resistance.
Innovation Solution
Soaking animal fibers in a hydrolyzed keratin solution before and after bleaching and/or dyeing to suppress damage and maintain the original texture and light resistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If oxidative bleaching by hydrogen peroxide or reductive bleaching by hydrosulfite or sodium bisulfite is performed, then sufficient whiteness is obtained, but fibers are damaged causing deterioration of unique textures such as tenderness and frictional feel
Solution Approach 1:
The patent introduces an intermediary substance (specifically a polymer compound with carboxyl groups) that mediates between the bleaching agent and the fiber. This intermediary protects the fiber from direct damage by the bleaching agents while still allowing the bleaching effect to occur, thus maintaining both whiteness and fiber strength
Solution Approach 2:
The patent applies the protective polymer compound to the fiber before bleaching treatment. This preliminary action creates a protective layer or interaction that prevents the subsequent bleaching agents from causing excessive damage to the fiber structure, thereby preserving fiber strength while achieving whiteness
2Illumination intensity
If conventional bleaching methods are used, then whiteness is achieved, but light resistance deteriorates
Solution Approach 1:
The polymer compound with carboxyl groups acts as an intermediary that not only protects during bleaching but also provides ongoing protection against light-induced degradation. This substance appears to have properties that simultaneously improve or maintain both whiteness and light resistance
3Reliability
If ultraviolet absorbing agents or fluorescent whitening agents are applied, then light resistance is improved, but textures are harmed and safety concerns arise
Solution Approach 1:
Instead of using complex UV absorbing agents or fluorescent whitening agents that may have safety and texture issues, the patent employs a simpler polymer compound with carboxyl groups that provides the desired protection without the harmful side effects. This simpler substance acts as a safer alternative
Solution Approach 2:
The patent changes the chemical parameters of the treatment by using a polymer compound with specific properties (carboxyl groups) rather than conventional UV absorbing or fluorescent agents. This parameter change results in a substance that provides light resistance while maintaining fiber texture and safety
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 method effectively prevents or repairs fiber damage during bleaching and dyeing, preserving the strength, light resistance, and unique texture of animal fibers.
Implementation Method 1
a method for manufacturing processed fibers with bleaching and dyeing animal fibers and a step for soaking the fibers in a hydrolyzed keratin solution
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
A method for manufacturing processed fibers, a method for suppressing damage to animal fibers, a method for processing animal fibers, and the processed fibers are provided. According to them, unique texture and light resistance of animal fibers are kept and desired hue is realized even if the animal fibers are bleached and/or dyed. The method for manufacturing processed fibers, with bleaching and/or dyeing animal fibers, performs a step for soaking the fibers in a hydrolyzed keratin solution.