Plasticizer Composition Ether Compound Workability Heat Loss
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Solution Overview
Problem
Current plasticizer compositions face challenges in achieving optimal physical properties such as workability and heat loss, particularly when using various catalysts, which can affect reaction rates, by-product minimization, and purification processes.
Innovation Solution
A plasticizer composition comprising an ester-based plasticizer and an ether compound, with the ether compound present in specific weight percentages, improves meltability and heat loss, utilizing specific ether compounds like bis(2-ethylhexyl)ether, butyl(2-ethylhexyl)ether, and dibutyl ether, and employing suitable catalysts and reaction conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional plasticizer compositions are used, then basic plasticizing function is provided, but workability and heat loss performance are insufficient
Solution Approach 1:
The patent applies composite materials by formulating a plasticizer composition containing multiple ester-based plasticizers (terephthalate, adipate, phosphate esters) in specific weight ratios. This composite approach allows the composition to achieve both improved workability and controlled heat loss performance that single-ester plasticizers cannot provide alone.
Solution Approach 2:
The patent utilizes parameter changes by precisely controlling the weight ratios of different ester-based plasticizers within specific ranges (terephthalate 20-70%, adipate 10-50%, phosphate 5-30%). By adjusting these compositional parameters, the plasticizer mixture achieves optimized workability and heat loss characteristics for different application requirements.
2Productivity
If various catalysts are used for esterification reaction, then reaction rate can be increased, but by-products are produced and purification becomes more difficult
Solution Approach 1:
The patent applies parameter changes by optimizing the catalyst selection and reaction conditions to maximize reaction rate while minimizing by-product formation. The use of specific catalysts with controlled activity allows the esterification reaction to proceed efficiently with reduced side reactions.
Solution Approach 2:
The patent converts the potential harm of by-products into a benefit by carefully controlling the reaction to produce a specific mixture of ester-based plasticizers with desired properties. The by-products of esterification are managed through process optimization to ensure the final composition meets performance requirements.
3Productivity
If homogeneous catalysts are used, then reaction rate increases, but purification process becomes more complex
Solution Approach 1:
The patent applies parameter changes by selecting catalysts and reaction conditions that achieve high reaction rates while producing by-products that are easily separable. The esterification parameters are optimized to balance reaction efficiency with downstream purification ease.
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 composition achieves enhanced workability and heat loss performance within defined ranges, demonstrating improved physical properties suitable for applications like wires, automobile interior materials, and sheets.
Implementation Method 1
A plasticizer composition comprising an ester-based plasticizer and an ether compound, wherein the ether compound is present in an amount of 0.01 to 20% by weight, based on the total weight of the plasticizer composition
Data Source
AI summary
Disclosed is a plasticizer composition which comprises an ester-based plasticizer and an ether compound and exhibits improved workability and heat loss in proportion to content of the ether compound.