Hybrid Copolymers for Scale Minimization and Biodegradability
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Solution Overview
Problem
Current synthetic polymers used to prevent scale formation and corrosion in aqueous systems are scarce due to rising demand and have limited biodegradability, while existing graft copolymers using natural materials are inefficient and generate unwanted byproducts.
Innovation Solution
Hybrid copolymers are produced using hydroxyl-containing natural materials as chain transfer agents, allowing for controlled molecular weight and eliminating the need for special initiation systems, incorporating these materials into synthetic polymer chains to create effective scale-minimizing polymers for use in water treatment, oil fields, and cleaning formulations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If synthetic polymers are used to prevent scale formation, then scale minimization performance is improved, but biodegradability deteriorates and material scarcity increases
Solution Approach 1:
The patent creates hybrid copolymers combining synthetic polymer chains with naturally derived materials (sugars, starches, celluloses) as chain transfer agents. This composite approach maintains the effective scale-minimizing properties of synthetic polymers while incorporating biodegradable natural materials, thus resolving the contradiction between performance and environmental compatibility
Solution Approach 2:
The patent modifies the molecular structure parameters of synthetic polymers by incorporating natural materials during polymerization. This changes the chemical composition parameters to include biodegradable units while preserving the functional properties needed for scale inhibition, achieving both performance and sustainability
2Object-generated harmful factors
If graft copolymers using natural materials are used, then biodegradability is improved, but manufacturing efficiency deteriorates due to unwanted byproducts
Solution Approach 1:
The patent extracts and utilizes only the chain-transfer function of natural materials during polymerization, separating this useful function from the unwanted byproduct formation that occurs in conventional graft copolymerization. This selective approach maintains biodegradability benefits while eliminating manufacturing inefficiencies
Solution Approach 2:
The patent uses natural materials as intermediary chain transfer agents in the polymerization process. These intermediaries control polymer chain growth and transfer without generating unwanted byproducts, unlike conventional graft copolymerization methods. This intermediary approach achieves both biodegradability and manufacturing efficiency
3Reliability
If conventional synthetic polymers are used, then scale minimization is effective, but cost-effectiveness deteriorates due to material scarcity
Solution Approach 1:
The patent recovers and utilizes natural materials (sugars, starches, celluloses) that would otherwise be waste products or readily available renewable resources. By incorporating these abundant natural materials into hybrid copolymers, the patent reduces dependence on scarce synthetic monomers while maintaining scale minimization effectiveness
Solution Approach 2:
The patent changes the source parameters of polymer materials from petroleum-based synthetic monomers to renewable natural materials. This parameter change in material origin improves availability and cost-effectiveness while preserving the functional parameters needed for effective scale minimization
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 hybrid copolymers effectively minimize scale formation, disperse precipitants, and modify crystal structures, offering improved biodegradability and cost-effectiveness compared to traditional synthetic polymers, while avoiding the inefficiencies and byproducts of graft copolymers.
Implementation Method 1
the hybrid copolymers are produced by using hydroxyl-containing naturally derived materials as chain transfer agents during the production process
Implementation Method 2
In inhibition, synthetic polymer(s) are added that increase the solubility of the scale-forming salt in the aqueous system
Implementation Method 3
Synthetic polymers having carboxylic acid groups function as good dispersants for precipitated salts such as calcium carbonates
Implementation Method 4
A third stabilization mechanism involves interference and distortion of the crystal structure of the scale by the polymer
Data Source
AI summary
Hybrid copolymers for use as anti-sealant and dispersant. The polymers are useful in compositions used in aqueous systems. The polymers include at least one synthetic monomeric constituent that is chain terminated by a naturally occurring hydroxyl containing moiety. A process for preparing these hybrid copolymers is also provided.