Aspartic Acid Plasticizer Biodegradability
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Solution Overview
Problem
Traditional plasticizers, such as phthalate compounds, are non-biodegradable and can be harmful to human health and the environment, and biodegradable plastic products often have low degradation rates, leading to environmental damage due to improper disposal.
Innovation Solution
A biodegradable plasticizer based on an amino acid derivative with a central aspartic acid structure and side chains, designed to have specific carbon atom ranges and functional groups, which reduces environmental impact and human health risks by enhancing biodegradation and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional plasticizers (phthalate compounds) are used to increase plasticity, then the plasticizing effect is improved, but the biodegradability deteriorates and harmful factors increase
Solution Approach 1:
The patent changes the chemical structure parameters of plasticizers from traditional phthalate compounds to amino acid derivatives (specifically aspartic acid-based structures). This structural parameter change transforms the plasticizer from non-biodegradable to biodegradable, eliminating harmful effects while maintaining plasticizing functionality through appropriate side chain selection (C1-C7 alkyl groups).
Solution Approach 2:
The patent converts the previously harmful non-biodegradable nature of traditional plasticizers into a beneficial biodegradable property by using amino acid derivatives. The biodegradation capability, which was previously absent, is now the key benefit that eliminates environmental persistence and health risks while the plasticizing function is preserved through molecular design.
2Object-affected harmful factors
If biodegradable plastic products are promoted to reduce environmental damage, then the environmental sustainability is improved, but the biodegradation rate deteriorates due to user misunderstanding and improper disposal
Solution Approach 1:
The patent designs plasticizers with inherent biodegradability through amino acid derivative structures that naturally decompose via microbial action. The plasticizer molecules contain functional groups (carboxyl, amino groups) that enable self-degradation without requiring special disposal conditions, allowing the material to service its own degradation function under normal environmental conditions.
3Ease of operation
If plasticizers are combined with plastic products to improve plasticity, then the plasticizing effect is improved, but the release and absorption of plasticizers worsens due to non-chemical bonding
Solution Approach 1:
The patent changes the molecular parameters of plasticizers to amino acid derivatives with specific side chain structures (C1-C7 alkyl groups). These structural parameter changes enhance the compatibility and interaction between the plasticizer and polymer matrix, reducing release while maintaining plasticizing effectiveness through optimized molecular architecture.
Data Source
AI summary
A plasticizer, a plastic composition and a plastic product are provided. The plasticizer is an amino acid derivative and has a biodegradability, wherein the plasticizer includes a central structure and at least one side chain structure. The central structure is an aspartic acid, the at least one side chain structure includes a first side chain structure and a second side chain structure. The plasticizer has a structure represented by Formula (I), in which each of the symbols thereof is as defined in the specification.