Methods for making polymer particulates in gel form
First Claim
1. A method for making polymer particles in gel form via an emulsion or suspension process, the method comprising:
- preparing a reactant mixture comprising a carrier fluid and a monomer component containing one or more phenolic compounds, wherein;
the monomer component polymerizes to form the polymer particles in gel form,the reactant mixture is located within a reactor having one or more inner surfaces in contact with the reactant mixture during polymerization of the monomer component,the one or more inner surfaces limit a release of metal, metal ions, or a combination thereof into the reactant mixture to produce the polymer particles in gel form containing less than 1 wt % metal atoms, metal ions, or a combination thereof, based on the total weight of the polymer particles in gel form,the one or more inner surfaces in contact with the reactant mixture comprises a metal,at least a portion of the metal has undergone a passivation process to produce a passivated metal surface, andthe passivated metal surface is formed by a carburization process, a boronization process, a nitridization process, or any combination thereof.
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Abstract
Methods for making polymer particles in gel form via an emulsion and/or suspension process are provided. The method can include preparing a reactant mixture comprising a carrier fluid and a monomer component containing one or more phenolic compounds and optionally one or more crosslinking compounds, a mixture of Maillard reactants, or a combination thereof. The monomer component can polymerize to form the polymer particles in gel form. The reactant mixture can be located within a reactor having one or more inner surfaces in contact with the reactant mixture during polymerization of the monomer component. The one or more inner surfaces limit a release of metal, metal ions, or a combination thereof into the reactant mixture to produce the polymer particles in gel form containing less than 1 wt % metal atoms, metal ions, or a combination thereof, based on the total weight of the polymer particles in gel form.
64 Citations
20 Claims
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1. A method for making polymer particles in gel form via an emulsion or suspension process, the method comprising:
preparing a reactant mixture comprising a carrier fluid and a monomer component containing one or more phenolic compounds, wherein; the monomer component polymerizes to form the polymer particles in gel form, the reactant mixture is located within a reactor having one or more inner surfaces in contact with the reactant mixture during polymerization of the monomer component, the one or more inner surfaces limit a release of metal, metal ions, or a combination thereof into the reactant mixture to produce the polymer particles in gel form containing less than 1 wt % metal atoms, metal ions, or a combination thereof, based on the total weight of the polymer particles in gel form, the one or more inner surfaces in contact with the reactant mixture comprises a metal, at least a portion of the metal has undergone a passivation process to produce a passivated metal surface, and the passivated metal surface is formed by a carburization process, a boronization process, a nitridization process, or any combination thereof. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method for making polymer particles in gel form via an emulsion or suspension process, comprising:
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mixing a carrier fluid and a monomer component containing one or more phenolic compounds to produce an emulsion or suspension; and polymerizing the monomer component in the emulsion or suspension to produce the polymer particles in gel form, wherein; the emulsion or suspension is located within a reactor having one or more inner surfaces in contact with the emulsion or suspension during polymerization of the monomer component, and at least a portion of the one or more inner surfaces comprises a passivated metal formed by a carburization process, a boronization process, a nitridization process, or any combination thereof.
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17. A method for making polymer particles in gel form via an emulsion or suspension process, comprising:
polymerizing a monomer component comprising a phenolic compound and a crosslinking compound to produce the polymer particles in gel form, wherein; the monomer component is located within a reactor having one or more inner surfaces in contact with the monomer component during polymerization of the monomer component, and at least a portion of the one or more inner surfaces comprises a passivated metal formed by a carburization process, a boronization process, a nitridization process, or any combination thereof. - View Dependent Claims (18, 19, 20)
Specification