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US 11,939,464 B2Granted
Low emission polyoxymethylene composition
AssigneeTicona LLC
InventorsSung Hye Kim, Rong Luo, Jared T. Kindt
Life of this patent
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Abstract
A polyoxymethylene polymer composition is disclosed containing a formaldehyde stabilizer package. The formaldehyde stabilizer package, which contains at least two emission control agents, dramatically and unexpectedly reduces formaldehyde emissions. The formaldehyde stabilizer package includes at least two emission control agents selected from the group of benzoguanamine compounds, a hydantoin, a substituted hydantoin, an amino acid, and an alkylene urea such as ethylene urea.
Claims14
A polymer composition comprising:
- a polyoxymethylene polymer;
- and
- a formaldehyde stabilizer package for reducing formaldehyde emissions, the formaldehyde stabilizer package comprising a blend of emission control agents, the blend including an ethylene urea, a guanamine compound, and allantoin.
A polymer composition comprising:
- a polyoxymethylene polymer;
- and
- a formaldehyde stabilizer package for reducing formaldehyde emissions, the formaldehyde stabilizer package comprising a blend of emission control agents, the blend including an ethylene urea and a hydantoin.
Dependencies are inferred from the claim text.