Acetoacetyl Binder Coating Composition for Formaldehyde Abatement
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Solution Overview
Problem
Existing coatings lack effective formaldehyde abatement, stain resistance, and scrub resistance, particularly in interior coatings for children's rooms.
Innovation Solution
A coating composition comprising a binder made of polymers and/or copolymers of acetoacetyl functional ethylenically unsaturated monomers, polyalkylenimines, and/or polyetheramine polyols, optionally with polyether amines, providing enhanced formaldehyde abatement, stain resistance, and scrub resistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If conventional coating compositions are used, then the coating provides basic protective function, but it lacks effective formaldehyde abatement capability
Solution Approach 1:
The patent modifies the chemical composition parameters of the coating by incorporating specific polyols (polyetheramine polyol, polyalkylenimine polyol) and acetoacetyl functional monomers in optimized weight ratios. These parameter changes enable the coating to achieve effective formaldehyde abatement while maintaining film formation and durability properties.
Solution Approach 2:
The patent creates a composite binder system combining multiple components: polymer emulsion, polyetheramine polyol, polyalkylenimine polyol, and acetoacetyl functional monomers. This composite material approach synergistically combines formaldehyde scavenging capability with coating performance requirements.
2Object-affected harmful factors
If conventional coating compositions are used, then the coating provides basic coverage, but it lacks effective stain resistance
Solution Approach 1:
The patent adjusts the chemical composition parameters including the inclusion of polyetheramine polyol and polyalkylenimine polyol which contribute to enhanced stain resistance. The specific weight ratios and molecular structures of these components are optimized to provide superior performance against stains while maintaining other coating properties.
3Object-affected harmful factors
If conventional coating compositions are used, then the coating provides basic durability, but it lacks effective scrub resistance
Solution Approach 1:
The patent modifies the binder composition parameters by incorporating polyetheramine polyol, polyalkylenimine polyol, and acetoacetyl functional monomers in specific proportions. These parameter changes enhance the crosslinking density and network structure of the cured coating, thereby improving scrub resistance and mechanical durability.
Solution Approach 2:
The patent employs a composite binder system that combines polymer emulsion with polyetheramine polyol, polyalkylenimine polyol, and functional monomers. This composite structure creates a more robust and resilient coating film that can withstand repeated scrubbing while maintaining adhesion and flexibility.
4Object-affected harmful factors
If special monomers are used to achieve formaldehyde abatement, then formaldehyde removal is improved, but the coating composition complexity increases
Solution Approach 1:
The patent employs polyetheramine polyol and polyalkylenimine polyol that serve multiple functions: they act as crosslinking agents for film formation, provide formaldehyde scavenging capability through their chemical structure, and contribute to adhesion and flexibility. This multi-functionality reduces the need for separate specialized additives, thereby managing composition complexity.
Solution Approach 2:
The patent optimizes the weight ratios and molecular parameters of the polyols and monomers to achieve effective formaldehyde abatement within a manageable composition framework. By carefully controlling these parameters, the patent balances performance enhancement with compositional simplicity.
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 coating composition effectively reduces formaldehyde, offers good stain resistance, and withstands scrubbing, addressing the shortcomings of existing coatings.
Implementation Method 1
a coating composition comprises binder containing polymer and/or copolymer of at least one acetoacetyl functional ethylenically unsaturated monomer... having good formaldehyde abatement
Implementation Method 2
binder containing polymer and/or copolymer of at least one acetoacetyl functional ethylenically unsaturated monomer, at least one of polyalkylenimines and/or polyetheramine polyol
Data Source
AI summary
The present invention relates to a coating composition comprises binder containing polymer and/or copolymer of at least one acetoacetyl functional ethylenically unsaturated monomer, at least one of polyalkylenimines and/or polyetheramine polyol, and optionally at least one polyether amine, which shows good formaldehyde abatement, stain resistance and scrub resistance.