Graft copolymer and process for making same
AssigneeMilchem Incorporated
InventorKatherine Anne Cline Elting
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Abstract
A reaction process and product obtained thereby, said process comprising reacting a polymerizable monomeric compound containing a polymerizably reactive vinyl group, such as methyl methacrylate, acrylonitrile, vinyl acetate, or the like, in an aqueous medium at a pH not greater than about 3.5 in the presence of a ceric salt which is soluble in at least one component of said medium, and an inorganic substrate, such as a clayey substrate, e.g., montmorillonite, or the like, capable of initiating polymerization of said monomeric compound, wherein said inorganic substrate is a reducing agent for said reaction.
Claims133
A process comprising polymerizing a monomeric compound containing a polymerizably reactive vinyl group in an aqueous medium at a pH not greater than about 3.5 in the presence of a ceric salt which is soluble in at least one component of said medium and an inorganic substrate having hydroxyl groups or which forms hydroxyl groups in said aqueous medium and which is capable of initiating polymerization of said monomeric compound, wherein said inorganic substrate is a reducing agent in said reaction.
A process comprising polymerizing a monomeric compound containing a polymerizably reactive vinyl group dissolved at least partially in an aqueous medium at a pH not greater than about 3.5 and in the presence of a ceric salt which is soluble in at least one compound of the medium, and in an inorganic solid having hydroxyl groups or which forms hydroxyl groups when said solid is present is said medium, said inorganic solid being capable of oxidation by said ceric salt and capable of initiating polymerization of said monomeric compound, wherein said inorganic substrate is a reducing agent for said reaction.
A process comprising polymerizing a monomeric compound containing a polymerizably reactive vinyl group dissolved at least partially in an aqueous medium at a pH not greater than 3.5 and in the presence of a ceric salt which is soluble in at least one component of the medium, and an alumino-silicate substrate which is capable of initiating polymerization of said monomeric compound, wherein said substrate is a reducing agent for said reaction.
A process comprising polymerizing a monomeric compound containing a polymerizably reactive vinyl group dissolved at least partially in an aqueous medium at a pH not greater than about 3.5 in the presence of a ceric salt which is soluble in at least one component of the medium, and an alumino-silicate inorganic solid which is non-swelling when in said aqueous medium and which is capable of initiating polymerization of said monomeric compound, wherein said inorganic solid is a reducing agent for said reaction.
A process comprising polymerizing a monomeric compound containing a polymerizably reactive vinyl group dissolved at least partially in an aqueous medium at a pH not greater than about 3.5 and in the presence of a ceric salt which is soluble in at least one component of the medium, and a swelling lattice-type inorganic solid which is swelling and expanding when in said aqueous medium and which is capable of being oxidized by said ceric salt and which is capable of initiating polymerization of said compound, wherein said inorganic solid is a reducing agent for said reaction.
A process comprising polymerizing in an aqueous emulsion a polymerizable monomeric compound containing a polymerizably reactive vinyl group at a pH not greater than about 3.5 in the presence of a ceric salt which is soluble in at least one component of the aqueous emulsion, and an inorganic substrate having hydroxyl groups or which forms hydroxyl groups when in said aqueous emulsion which is capable of being oxidized by said ceric salt and which is capable of initiating polymerization of said monomeric compound, wherein said inorganic substrate is a reducing agent for said reaction.
A process comprising polymerizing a monomeric compound containing a polymerizably reactive vinyl group dissolved at least partially in an aqueous emulsion at a pH not greater than about 3.5 and in the presence of a ceric salt which is soluble in at least one component in the aqueous emulsion, and an inorganic substrate having hydroxyl groups or which form hydroxyl groups when said substrate is present in said aqueous emulsion, said inorganic substrate being capable of oxidation by said ceric salt and further being capable of initiating polymerization of said monomeric compound wherein said inorganic substrate is a reducing agent for said reaction.
A process comprising polymerizing a monomeric compound containing a polymerizably reactive vinyl group dissolved at least partially in an aqueous emulsion at a pH not greater than about 3.5 in the presence of a ceric salt which is soluble in at least one component of said aqueous emulsion, and an alumino-silicate substrate which is capable of being oxidized by said ceric salt and which is capable of initiating polymerization of said monomeric compound, wherein said substrate is a reducing agent for said reaction.
A process comprising polymerizing a monomeric compound containing a polymerizably reactive vinyl group dissolved at least partially in an aqueous emulsion at a pH not greater than about 3.5 in the presence of a ceric salt which is soluble in at least one component of said aqueous emulsion, and an alumino-silicate inorganic substrate which is non-swelling when in said aqueous emulsion, capable of being oxidized by said ceric salt and which is capable of initiating polymerization of said monomeric compound wherein said alumino-silicate inorganic substrate is a reducing agent for said reaction.
A process comprising polymerizing a monomeric compound containing a polymerizably reactive vinyl group dissolved at least partially in an aqueous emulsion at a pH not greater than about 3.5 in the presence of a ceric salt which is soluble in at least one component of the aqueous emulsion and a lattice-type inorganic substrate which swells and expands when in said aqueous emulsion, which is capable of being oxidized by said ceric salt and which is capable of initiating polymerization of said monomeric compound, wherein said lattice-type inorganic solid is a reducing agent for said reaction.
A process for preparing graft copolymers comprising polymerizing a polymerizable monomeric compound conaining a polymerizable reactive vinyl group in an aqueous medium at a pH not greater than about 3.5 in the presence of a ceric salt which is soluble in at least one component of the reaction medium and an inorganic substrate having hydroxyl groups or which forms hydroxyl groups when in said aqueous medium, capable of being oxidized by said ceric salt and which is capable of initiating the polymerization of said monomeric compound, wherein said inorganic substrate is a reducing agent for said reaction.
A process for preparing graft copolymers comprising polymerizing a polymerizable monomeric compound containing a polymerizably reactive vinyl group in an aqueous medium at a pH not greater than about 3.5 in the presence of a ceric salt which is soluble in at least one component of the reaction medium, and an inorganic substrate having hydroxyl groups or which forms hydroxyl groups when in said aqueous medium, capable of being oxidized by said ceric salt and which is capable of initiating the polymerization of said monomeric compound, wherein the only reducing agent in the reaction medium is said inorganic substrate.
A process for preparing graft copolymers comprising polymerizing a polymerizable monomeric compound containing a polymerizably reactive vinyl group dissolved at least partially in an aqueous medium at a pH not greater than about 3.5 in the presence of a ceric salt which is soluble in at least one component of the reaction medium, and an alumino-silicate substrate which is capable of being oxidized by said ceric salt and which is capable of initiating the polymerization, wherein said alumino-silicate substrate is a reducing agent for said reaction.
A process for preparing graft copolymers comprising polymerizing a polymerizable monomeric compound containing a polymerizably reactive vinyl group dissolved at least partially in an aqueous medium at a pH not greater than about 3.5 in the presence of a ceric salt which is soluble in at least one component of the reaction medium, and an aluminosilicate inorganic substrate which is non-swelling when in said aqueous medium, which is capable of being oxidized by said ceric salt and which is capable of initiating polymerization of said monomeric compound wherein said alumino-silicate inorganic substrate is a reducing agent for said reaction.
A process for preparing graft copolymers comprising polymerizing a polymerizable monomeric compound containing a polymerizably reactive vinyl group dissolved at least partially in an aqueous medium at a pH not greater than about 3.5 in the presence of a ceric salt which is soluble in at least one component of the reaction medium, and a lattice-type inorganic substrate which swells and expands when in said aqueous medium, which is capable of being oxidized by said ceric salt and which is capable of initiating polymerization of said monomeric compound wherein said lattice-type inorganic substrate is a reducing agent for said reaction.
A process for preparing graft copolymers comprising polymerizing a polymerizable monomeric compound containing a polymerizably reactive vinyl group in an aqueous emulsion at a pH not greater than about 3.5 in the presence of a ceric salt which is soluble in at least one component of the reaction medium, and an inorganic reducing agent having hydroxyl groups or which forms hydroxyl groups in said aqueous emulsion, which is capable of being oxidized by said ceric salt and which is capable of initiating polymerization of said monomeric compound, wherein said inorganic reducing agent is the only reducing agent for said reaction.
Dependencies are inferred from the claim text.