Polyoxmethylene polymer incorporating an aldehyde scavenger
AssigneeColormatrix Holdings, Inc.
InventorsChristopher STARKIE, Chen CHEN
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Abstract
A method of decreasing aldehyde content in a polyoxymethylene (POM) polymer comprises the step of contacting the POM polymer, or monomers, oligomers or pre-polymers involved in the preparation of said POM polymer, with a liquid formulation, wherein said liquid formulation comprises a liquid carrier and an aldehyde scavenger.
Claims28
A method of decreasing aldehyde content in a polyoxymethylene (POM) polymer, the method comprising the step of contacting the POM polymer, or monomers, oligomers or pre-polymers involved in the preparation of said POM polymer, with a liquid formulation, wherein said liquid formulation comprises a liquid carrier and an aldehyde scavenger.
A method according to claim 28, wherein said formulation includes 0.5 to 10 wt % of an anti-oxidant.
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A method of making an article or pellets from a polyoxymethylene (POM) polymer, the method comprising:
- (a) selecting a liquid formulation comprising a liquid carrier and an aldehyde scavenger as described in claim 28;
- (b) contacting the POM polymer with said liquid formulation;
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- (c) forming said POM polymer into an article, or into pellets.
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Dependencies are inferred from the claim text.