Cellulose Ester Plasticizer Composition Hydrolysis Resistance
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Solution Overview
Problem
Biodegradable cellulose ester resins face challenges with hydrolysis due to the use of alkoxy ether diesters, leading to degradation in dimension stability and durability of molded articles.
Innovation Solution
A plasticizer composition combining an alkoxy ether diester compound with a benzoic acid ester compound, optimized in a mass ratio of 85:15 to 40:60, to enhance hydrolysis resistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If alkoxy ether diester is used as a plasticizer for cellulose ester resin, then plasticizing performance is improved, but hydrolysis resistance deteriorates
Solution Approach 1:
The patent combines alkoxy ether diester (which provides excellent plasticizing performance) with benzoic acid ester compound (which provides hydrolysis resistance) in a specific mass ratio to create a composite plasticizer system that achieves both plasticizing effectiveness and hydrolytic stability simultaneously
Solution Approach 2:
The invention creates a composite plasticizer composition consisting of multiple chemical compounds (alkoxy ether diester and benzoic acid ester) with complementary properties, where the combination yields superior overall performance compared to individual components alone
2Ease of operation
If alkoxy ether diester is used as a plasticizer, then flexibility is improved, but dimension stability deteriorates
Solution Approach 1:
The patent combines alkoxy ether diester (which provides flexibility) with benzoic acid ester compound (which maintains dimensional stability) to achieve a balanced plasticizer system that delivers both flexibility and dimensional stability in the molded articles
3Ease of manufacture
If alkoxy ether diester is used as a plasticizer, then processability is improved, but durability deteriorates
Solution Approach 1:
The patent merges alkoxy ether diester (which ensures good processability during molding) with benzoic acid ester compound (which ensures long-term durability) to create a plasticizer composition that maintains both manufacturing ease and product durability
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 combination significantly improves the hydrolysis resistance of the plasticizer, resulting in cellulose ester resin compositions with excellent dimension stability and durability for molded articles.
Implementation Method 1
the alkoxy ether diester has a property of being easily hydrolyzed. In a cellulose ester resin composition containing the alkoxy ether diester as a plasticizer, the cellulose ester resin is also hydrolyzed due to an acid generated by the hydrolysis of the alkoxy ether diester
Data Source
AI summary
A plasticizer composition for a cellulose ester resin, includes an alkoxy ether diester compound represented by General Formula (A) and a benzoic acid ester compound represented by General Formula (B)