Curable photochromic composition including a segmented polymer
The present invention relates to a curable photochromic composition that includes: (a) a photochromic compound; and (b) a segmented polymer that includes active hydrogen groups, at least one first segment, and at least one second segment, in which, (i) each first segment independently includes a (me...
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Format | Patent |
Language | English |
Published |
13.12.2022
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Abstract | The present invention relates to a curable photochromic composition that includes: (a) a photochromic compound; and (b) a segmented polymer that includes active hydrogen groups, at least one first segment, and at least one second segment, in which, (i) each first segment independently includes a (meth)acrylic polymer segment, and (ii) each second segment independently includes at least one of, a polycarbonate segment, a polyester segment, a polyether segment, a polyurethane segment, and combinations of two or more thereof. The curable photochromic composition further includes (c) a curing agent having reactive functional groups that are reactive with the active hydrogen groups of the segmented polymer (a), in which the curing agent includes at least one of, a polyisocyanate, a polyisothiocyanate, and an aminoplast. The present invention also relates to photochromic articles that include at least one layer formed from the curable photochromic composition of the present invention. |
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AbstractList | The present invention relates to a curable photochromic composition that includes: (a) a photochromic compound; and (b) a segmented polymer that includes active hydrogen groups, at least one first segment, and at least one second segment, in which, (i) each first segment independently includes a (meth)acrylic polymer segment, and (ii) each second segment independently includes at least one of, a polycarbonate segment, a polyester segment, a polyether segment, a polyurethane segment, and combinations of two or more thereof. The curable photochromic composition further includes (c) a curing agent having reactive functional groups that are reactive with the active hydrogen groups of the segmented polymer (a), in which the curing agent includes at least one of, a polyisocyanate, a polyisothiocyanate, and an aminoplast. The present invention also relates to photochromic articles that include at least one layer formed from the curable photochromic composition of the present invention. |
Author | Zezinka, Elizabeth A Knowles, David B Taylor, Cathy A Gestrich, Anthony Thomas Haley, Michael Frank Robinson, Stephen |
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Snippet | The present invention relates to a curable photochromic composition that includes: (a) a photochromic compound; and (b) a segmented polymer that includes... |
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SubjectTerms | ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES INKS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PHYSICS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WOODSTAINS |
Title | Curable photochromic composition including a segmented polymer |
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