Phenolic resin, also known as bakelite, is originally colorless or yellowish-brown and transparent. Marketed products often contain colorants, presenting a variety of colors such as red, yellow, black, green, brown, and blue. It comes in granular or powdered form, is insoluble in water, but soluble in organic solvents like acetone and alcohol. Phenolic resin is a synthetic polymer obtained through condensation polymerization of phenol or its derivatives with aldehydes (such as formaldehyde). It is one of the most important thermosetting resins.
Phenolic resin, also known as bakelite, is originally colorless or yellowish-brown and transparent. Marketed products often contain colorants, presenting a variety of colors such as red, yellow, black, green, brown, and blue. It comes in granular or powdered form, is insoluble in water, but soluble in organic solvents like acetone and alcohol. Phenolic resin is a synthetic polymer obtained through condensation polymerization of phenol or its derivatives with aldehydes (such as formaldehyde). It is one of the most important thermosetting resins.
High-temperature resistance characteristics of phenolic resins Phenolic resins are high molecular weight compounds produced through polycondensation reactions between phenols and aldehydes. Their molecular structures contain a large number of benzene rings, which crosslink to form a three-dimensional structure, endowing phenolic resins with stability at high temperatures.
Generally, phenolic resins can maintain high stability at temperatures below 200°C without decomposing or deforming due to heat.
High Carbon Residue Rate and Thermal Stability Phenolic resins have a high carbon residue rate during pyrolysis, meaning they can maintain a high level of structural integrity at high temperatures.
Generally, the carbon residue rate of phenolic resins can reach over 60%, and the carbonized layer formed after carbonization can protect the inner materials, thus providing excellent stability and durability in high-temperature environments. This characteristic makes phenolic resins an ideal material for manufacturing products that need to withstand high-temperature conditions.
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