31-01-2019 дата публикации
Номер: US20190031832A1
Принадлежит:
Disclosed are cross-linked polymers comprising a monomer, a cross-linker, and a sulfur moiety in the polymer backbone. Methods of making cross-linked polymers comprising a monomer, a cross-linker, and a sulfur moieity in the polymer backbone are disclosed. A metal complex, comprising a cross-linked polymer chelated to a toxic heavy metal atom or ion is disclosed. The disclosure provides a method of toxic heavy metal remediation using the cross-linked polymers. Also provided are articles and coatings comprising the disclosed cross-linked polymers. 1. A cross-linked polymer , comprising:a plurality of first monomers, a plurality of first cross-linkers, and a plurality of sulfur moieties in the polymer backbone, wherein:the first monomer comprises at least one sulfur moiety in the monomeric backbone, and at least one reactive group selected from the group consisting of an acrylate, an alkene, an alkyne, an azide, a halide, a tosylate, a mesylate, a triflate, an epoxide, and a thiol; andthe first cross-linker comprises at least two reactive groups selected from the group consisting of an acrylate, an alkene, an alkyne, an azide, a halide, a tosylate, a mesylate, a triflate, an epoxide, and a thiol.2. A cross-linked polymer , comprising:a plurality of first monomers, a plurality of first cross-linkers, and a plurality of sulfur moieties in the polymer backbone, wherein:the first monomer comprises a cycloalkyl group, a heterocycloalkyl group, an aryl group, or a heteroaryl group, and at least two reactive thiol groups; andthe first cross-linker comprises at least two reactive groups selected from the group consisting of an acrylate, an alkene, an alkyne, an azide, a halide, a tosylate, a mesylate, a triflate, an epoxide, and a thiol.35-. (canceled)6. The cross-linked polymer of claim 1 , wherein the first monomer comprises at least two terminal thiol groups.79-. (canceled)10. The cross-linked polymer of claim 1 , wherein the first monomer is selected from the group ...
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