Bio-SAH™ 372N
Bio-SAH™
Polyamides (PAs), commonly known as nylon, are susceptible to hydrolysis—a chemical reaction involving the breakdown of chemical bonds in the presence of water. To enhance the resistance of polyamides to hydrolysis, anti-hydrolysis agents or stabilizers are often incorporated into the polymer formulations. These agents help protect the polyamide from degradation caused by water exposure. The specific anti-hydrolysis agent used can depend on the type of polyamide, processing conditions, and intended application. Here are some common types of anti-hydrolysis agents used in polyamide:
Phosphites and Phosphonites:
Example: Tris(2,4-di-tert-butylphenyl) phosphite (TNPP).
Function: Provides thermal and hydrolytic stability.
Hindered Phenols:
Example: 2,6-Di-tert-butyl-4-methylphenol (BHT), Irganox series.
Function: Acts as an antioxidant to prevent oxidation and hydrolysis.
Hindered Amine Light Stabilizers (HALS):
Example: Tinuvin series.
Function: Protects against degradation caused by UV radiation and provides some level of hydrolysis resistance.
Metal Deactivators:
Example: Zinc stearate.
Function: Inhibits the catalytic effect of metal ions on the hydrolysis process.
Custom Formulations:
Some anti-hydrolysis agents are proprietary formulations designed for specific polyamide resins and processing conditions.
It's important to note that the selection of the appropriate anti-hydrolysis agent depends on the specific type of polyamide being used (e.g., PA6, PA66), the processing conditions, and the environmental exposure the material will face. The concentration of the anti-hydrolysis agent is also a critical factor in achieving the desired level of protection.
Manufacturers often work closely with material suppliers or polymer experts to optimize formulations for specific polyamide applications. If you have a particular polyamide resin or application in mind, consulting with your material supplier or a polymer formulation expert is recommended to get tailored recommendations based on your requirements.
Polyamides (PAs), commonly known as nylon, are susceptible to hydrolysis—a chemical reaction involving the breakdown of chemical bonds in the presence of water. To enhance the resistance of polyamides to hydrolysis, anti-hydrolysis agents or stabilizers are often incorporated into the polymer formulations. These agents help protect the polyamide from degradation caused by water exposure. The specific anti-hydrolysis agent used can depend on the type of polyamide, processing conditions, and intended application. Here are some common types of anti-hydrolysis agents used in polyamide:
Phosphites and Phosphonites:
Example: Tris(2,4-di-tert-butylphenyl) phosphite (TNPP).
Function: Provides thermal and hydrolytic stability.
Hindered Phenols:
Example: 2,6-Di-tert-butyl-4-methylphenol (BHT), Irganox series.
Function: Acts as an antioxidant to prevent oxidation and hydrolysis.
Hindered Amine Light Stabilizers (HALS):
Example: Tinuvin series.
Function: Protects against degradation caused by UV radiation and provides some level of hydrolysis resistance.
Metal Deactivators:
Example: Zinc stearate.
Function: Inhibits the catalytic effect of metal ions on the hydrolysis process.
Custom Formulations:
Some anti-hydrolysis agents are proprietary formulations designed for specific polyamide resins and processing conditions.
It's important to note that the selection of the appropriate anti-hydrolysis agent depends on the specific type of polyamide being used (e.g., PA6, PA66), the processing conditions, and the environmental exposure the material will face. The concentration of the anti-hydrolysis agent is also a critical factor in achieving the desired level of protection.
Manufacturers often work closely with material suppliers or polymer experts to optimize formulations for specific polyamide applications. If you have a particular polyamide resin or application in mind, consulting with your material supplier or a polymer formulation expert is recommended to get tailored recommendations based on your requirements.
