Flame Retardant Composition for Synthetic Resins
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Solution Overview
Problem
Intumescent flame retardants require large amounts to achieve sufficient flame retardancy in synthetic resins, which adversely affect the resin's physical properties.
Innovation Solution
A flame retardant composition comprising specific phosphate compounds, polyhydric alcohol compounds, and optional additives like zinc oxide and anti-dripping agents, which provides excellent flame retardancy in smaller amounts without compromising the resin's inherent physical properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If intumescent flame retardants are used to achieve sufficient flame retardancy, then flame retardancy is improved, but the amount required adversely affects the physical properties of the resin
Solution Approach 1:
The patent changes the chemical composition parameters by using specific phosphate compounds (melamine pyrophosphate, ammonium polyphosphate) in controlled ratios combined with polyhydric alcohol compounds. This parameter optimization allows achieving sufficient flame retardancy with reduced overall flame retardant loading, thereby preserving resin physical properties.
Solution Approach 2:
The patent creates a composite flame retardant system by combining multiple components: phosphate compounds (melamine pyrophosphate, ammonium polyphosphate) with polyhydric alcohol compounds (pentaerythritol, dipentaerythritol, sorbitol). This composite approach synergistically enhances flame retardancy efficiency, allowing effective protection at lower total concentrations compared to single-component systems.
2Reliability
If large amounts of flame retardant are incorporated to achieve sufficient flame retardancy, then flame retardancy is improved, but the physical properties inherent to the resin are adversely affected
Solution Approach 1:
The patent optimizes the concentration parameters of flame retardant components, achieving effective flame retardancy at lower total loadings. The specific ratio ranges (melamine pyrophosphate 1-10 parts, ammonium polyphosphate 1-10 parts, polyhydric alcohol 1-5 parts per 100 parts resin) are carefully controlled to maintain resin strength and physical properties while providing sufficient flame protection.
Solution Approach 2:
The composite flame retardant system enhances efficiency, allowing lower total concentrations that preserve resin integrity. The synergistic interaction between phosphate compounds and polyhydric alcohols creates effective flame protection at loadings that do not compromise the resin's mechanical strength and physical properties.
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 composition imparts excellent flame retardancy to synthetic resins with reduced material usage, maintaining the resin's physical properties and enabling the production of molded articles with enhanced flame resistance.
Implementation Method 1
intumescent flame retardants, which exert flame retardancy by forming a surface intumescent layer when combusted and inhibiting diffusion of decomposition products and heat transfer
Data Source
AI summary
Provided is a flame retardant composition capable of imparting a synthetic resin with excellent flame retardancy even when it is incorporated in a small amount. The flame retardant composition is characterized by comprising 20 to 50 parts by mass of the following component (A), 50 to 80 parts by mass of the following component (B) (with a proviso that the total amount of the components (A) and (B) is 100 parts by mass) and 0.5 to 15 parts by mass of the following component (C) - Component (A): a (poly)phosphate compound represented by the following Formula (1); Component (B): a (poly)phosphate compound represented by the following Formula (3); and Component (C): a polyhydric alcohol compound: (wherein, n represents a number of 1 to 100; X1 represents ammonia or a triazine derivative represented by the following Formula (2); and 0 < p ≤ n + 2) (wherein, Z1 and Z2 each independently represent a -NR5R6 group or the like) (wherein, r represents a number of 1 to 100; Y1 represents [R1R2N(CH2)mNR3R4] or the like; m represents an integer of 1 to 10; and 0 < q ≤ r + 2).