Method for producing adhesive composition, rubber/organic fiber cord composite, and tire
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Solution Overview
Problem
Existing adhesive compositions that do not contain formalin and resorcin are inferior in adhesiveness and productivity, and there is a need for environmentally friendly alternatives that maintain or improve these properties.
Innovation Solution
Incorporating specific polyphenol and aldehyde with aromatic rings into an adhesive composition, along with sodium hydroxide and ammonia water, ensures their dissolution and enhances adhesiveness and productivity, even without formalin and resorcin.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If adhesive compositions do not contain formalin and resorcin, then environmental friendliness is improved, but adhesiveness and productivity deteriorate
Solution Approach 1:
The patent changes the chemical parameters by replacing formalin with aromatic aldehyde and resorcin with polyphenol, while adjusting the concentration parameters of ammonia water (5-50%) and sodium hydroxide solution (0.1-3 mol/L) to achieve both environmental friendliness and high adhesiveness
Solution Approach 2:
The patent creates a composite adhesive system combining polyphenol, aromatic aldehyde, ammonia water, and sodium hydroxide solution, where the synergistic interaction of these components achieves both environmental compatibility and superior bonding performance
2Object-affected harmful factors
If adhesive compositions do not contain formalin and resorcin, then environmental friendliness is improved, but productivity deteriorates
Solution Approach 1:
The patent optimizes the concentration parameters of ammonia water (5-50%) and sodium hydroxide solution (0.1-3 mol/L) to accelerate the curing reaction of polyphenol and aromatic aldehyde, achieving fast curing that improves productivity while maintaining environmental friendliness
3Object-affected harmful factors
If polyphenol and aromatic aldehyde are simply mixed, then formalin and resorcin are eliminated, but dissolution and homogeneity deteriorate
Solution Approach 1:
The patent introduces ammonia water and sodium hydroxide solution as intermediary substances that facilitate the dissolution of polyphenol and aromatic aldehyde, ensuring homogeneous mixing and stable composition without using harmful formalin or resorcin
Solution Approach 2:
The patent adjusts the pH parameters by adding ammonia water and sodium hydroxide solution, which changes the dissolution parameters of polyphenol and aromatic aldehyde, enabling them to form a homogeneous stable solution
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 produces an adhesive composition with excellent adhesiveness and productivity, resulting in an environmentally friendly rubber-organic fiber cord composite and tire with improved bonding between rubber and organic fiber cords.
Implementation Method 1
by containing a specific concentration of ammonia water in the adhesive composition, the polyphenol and the aldehyde can be reliably dissolved
Implementation Method 2
adding a sodium hydroxide solution and ammonia water into a solution in which polyphenol is dissolved
Data Source
AI summary
Provided is a method of producing an adhesive composition that can achieve excellent adhesiveness and productivity even when formalin and resorcin are not contained. A method of producing an adhesive composition for organic fiber cords comprises: adding a sodium hydroxide solution and ammonia water into a solution in which polyphenol is dissolved; and thereafter adding aldehyde having aromatic ring into the solution and dissolving the aldehyde having aromatic ring.