Polyamide Monofilament Composition for Low-Tension, Low-Static Warping
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing polyamide monofilaments face issues with high tension and static electricity generation during warping, leading to vertical lines and reduced weaving productivity in mesh woven products.
Innovation Solution
A polyamide monofilament with controlled abrasion tension up to 0.3 cN/dtex and reduced static electricity generation up to 300 V when passed through a yarn guide, achieved by using a ceramic guide and chromium round rod guide, respectively, to stabilize the yarn and prevent adhesion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If silicon-added oil is applied to reduce tension upon passage of the yarn guide, then the tension and fluctuation are reduced, but static electricity is generated resulting in yarn adhesion and loss of weaving productivity
Solution Approach 1:
The patent changes the physical-chemical parameters of the spinning oil by specifying precise compositions (polyether-modified silicone at 1.5-10% by mass, phosphoric acid ester at 3-12% by mass) to simultaneously achieve low tension (up to 0.3 cN/dtex) and low static electricity (up to 300 V), resolving the contradiction between tension reduction and productivity maintenance
Solution Approach 2:
The patent uses a composite spinning oil system combining polyether-modified silicone (for lubrication and tension reduction) with phosphoric acid ester (for static electricity control), creating a synergistic effect that addresses both tension and static electricity issues without compromising weaving productivity
2Object-affected harmful factors
If warping speed is decreased to suppress static electricity generation, then yarn adhesion is reduced, but weaving productivity is lost
Solution Approach 1:
The patent changes the electrostatic parameters by incorporating phosphoric acid ester (3-12% by mass) into the spinning oil composition, which effectively reduces static electricity generation (up to 300 V) without requiring speed reduction, thereby maintaining high weaving productivity
3Productivity
If high tension is applied during warping, then weaving speed can be maintained, but vertical lines and strain in the yarn occur reducing quality
Solution Approach 1:
The patent changes the friction parameters by optimizing the spinning oil composition (polyether-modified silicone 1.5-10% by mass) to reduce abrasion tension (up to 0.3 cN/dtex), enabling low-tension warping that prevents vertical lines and yarn strain while maintaining high weaving speed through improved lubrication
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
This solution enables the production of high-quality mesh woven products with improved weaving productivity by maintaining low tension and minimizing static electricity, thus preventing vertical lines and ensuring stable yarn stretching.
Implementation Method 1
abrasion tension upon passage of a ceramic guide is up to 0.3 cN/dtex and static electricity generated at the exit of a chromium round rod guide upon passage of the chromium round rod guide which is a frictional body is up to 300 V
Data Source
AI summary
A polyamide monofilament is characterized in that the abrasion tension thereof when passed through a ceramic guide is 0.3 cN/dtex or less and in that the amount of static electricity generated at the exit of a chromium round bar guide, which is a frictional body, when the polyamide monofilament is passed through the chromium round bar guide, is 300 V or less. This polyamide monofilament and fiber package provide a gauze woven fabric for which tension is low when passing through a thread path guide when warping warp yarn, for which generation of static electricity is suppressed, and which has excellent weaving productivity.