Silicone Acrylic Coating Composition for Furniture
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Solution Overview
Problem
Existing water-based coating compositions for furniture and building interiors often fail to provide excellent feel, abrasion resistance, stain resistance, flame retardancy, and weather resistance while maintaining the substrate's design and environmental sustainability.
Innovation Solution
A coating composition comprising a silicone acrylic copolymer resin emulsion, a resin emulsion, a pigment, and a flame retardant in specific proportions, which forms a coating that offers improved feel, abrasion resistance, stain resistance, flame retardancy, and weather resistance while being environmentally friendly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a silicone emulsion is used in a water-based coating composition, then water repellency is improved, but feel deteriorates due to bleeding-out of oily material
Solution Approach 1:
The patent changes the chemical composition parameters by using a silicone-modified acrylic resin instead of pure silicone emulsion, and controls the silicone content within a specific range (5-50 parts by mass per 100 parts of binder resin). This parameter optimization allows the coating to maintain water repellency while preventing the oily bleeding-out that degrades feel.
Solution Approach 2:
The patent creates a composite binder resin system combining acrylic resin with silicone modification. This composite approach integrates the water repellency of silicone with the film-forming capabilities of acrylic resin, achieving both properties without the harmful effects of pure silicone emulsion.
2Object-affected harmful factors
If a silicone emulsion is used in a water-based coating composition, then water repellency is improved, but abrasion resistance deteriorates
Solution Approach 1:
The patent optimizes the silicone content parameter within a specific range (5-50 parts by mass per 100 parts of binder resin) and controls the average particle size of silicone particles (0.01-10 μm). These parameter changes ensure sufficient water repellency while maintaining adequate abrasion resistance by preventing excessive silicone that would compromise the coating's mechanical strength.
Solution Approach 2:
The patent develops a composite resin system where silicone-modified acrylic resin combines the water repellency of silicone with the durability and film-forming properties of acrylic resin. This composite structure provides both water repellency and satisfactory abrasion resistance simultaneously.
3Object-affected harmful factors
If a silicone emulsion is used in a water-based coating composition, then water repellency is improved, but adhesion to substrate deteriorates
Solution Approach 1:
The patent controls the silicone content within a specific range (5-50 parts by mass per 100 parts of binder resin) and regulates the molecular weight and structure of the silicone-modified acrylic resin. These parameter optimizations ensure that the coating maintains strong adhesion to the substrate while still providing water repellency.
Solution Approach 2:
The patent creates a composite binder resin system that combines acrylic resin's excellent adhesion properties with silicone's water repellency. The acrylic resin component ensures strong bonding to the substrate, while the silicone modification provides water repellency without compromising adhesion.
4Object-generated harmful factors
If water-based coating is used, then environmental sustainability is improved, but performance in terms of feel, abrasion resistance, and stain resistance becomes insufficient
Solution Approach 1:
The patent develops a composite resin system combining acrylic resin with silicone modification to achieve the performance characteristics traditionally associated with organic solvent-based coatings. This composite approach enables water-based coatings to provide excellent feel, abrasion resistance, and stain resistance while maintaining environmental sustainability.
Solution Approach 2:
The patent optimizes multiple parameters including silicone content (5-50 parts by mass), average particle size (0.01-10 μm), and resin composition ratios to achieve high performance in feel, abrasion resistance, and stain resistance. These parameter optimizations enable water-based coatings to match or exceed the performance of conventional coatings while maintaining environmental benefits.
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 achieves excellent performance in feel, abrasion resistance, stain resistance, flame retardancy, and weather resistance, maintaining the substrate's design and adhering to environmental sustainability standards.
Implementation Method 1
Silicone resins are known to give a substrate a sliding property and water repellency
Implementation Method 2
Acrylic resins, urethane resins and alkyd resins have excellent film-forming ability
Implementation Method 3
water-based coating composition which is to be applied on a substrate
Data Source
AI summary
The purpose of the present invention is to provide a coating composition which gives a substrate excellent feel, abrasion resistance, stain resistance, flame retardancy, and weather resistance; and an article, furniture and a building interior material having a coating formed from the aforesaid coating composition. The present invention provides a coating composition comprising the following components (A) to (D): (A) an emulsion of a silicone acrylic copolymer resin which is a copolymer of 60 to 99 parts by mass of (a1) a polyorganosiloxane represented by the formula (1) and 1 to 40 parts by mass of (a2) an acrylic acid ester monomer and/or a methacrylic acid ester monomer, provided that the total amount of components (a1) and (a2) is 100 parts by mass, the emulsion being in an amount of 0.5 to 20 parts by mass as a solid content; (B) at least one resin emulsion in an amount of 20 to 80 parts by mass as a solid content, selected from the group consisting of acrylic resin emulsions other than component (A), urethane resin emulsions and alkyd resin emulsions; (C) pigment in an amount of 1 to 50 parts by mass; and (D) a flame retardant in an amount of 1 to 10 parts by mass, provided that the total mass of the solid contents of components (A) and (B) and the amounts of components (C) and (D) is 100 parts by mass.