Tagging agents, including fluorescent monomers, which may be polymerized. Anti-scalant polymer compositions that include a copolymer of a tagging agent and an anti-scalant monomer. Methods for synthesizing tagging agents, anti-scalant polymer compositions, and detecting an anti-scalant polymer composition.

A photocurable resin composition includes a reactive monomer, a reactive oligomer, and a photopolymerization initiator. A cured product of the reactive monomer has a glass transition point of less than 20 C., and a cured product of the reactive oligomer has a glass transition point of less than 20 C. A cured product of the photocurable resin composition has a loss tangent tan at 25 C. of 0.2 or less. The cured product of the photocurable resin composition has an elongation at break in accordance with ASTM D638 of 150% or more.

A photocurable resin composition includes a reactive monomer, a reactive oligomer, and a photopolymerization initiator. A cured product of the reactive monomer has a glass transition point of less than 20 C., and a cured product of the reactive oligomer has a glass transition point of less than 20 C. A cured product of the photocurable resin composition has a loss tangent tan at 25 C. of 0.2 or less. The cured product of the photocurable resin composition has an elongation at break in accordance with ASTM D638 of 150% or more.

Additives for three-dimensional build materials or inks are described herein which, in some embodiments, can impart one or more structural enhancements to articles printed from the build materials. In one aspect, a polymerizable liquid comprises at least one additive including a plurality of cyclopolymerizable functionalities separated by an aliphatic linker or alkylene oxide linker.

Additives for three-dimensional build materials or inks are described herein which, in some embodiments, can impart one or more structural enhancements to articles printed from the build materials. In one aspect, a polymerizable liquid comprises at least one additive including a plurality of cyclopolymerizable functionalities separated by an aliphatic linker or alkylene oxide linker.

Treating a subterranean formation with a composition including a maleic anhydride copolymer, an amine crosslinker, and a gelling agent. The maleic anhydride copolymer includes first repeat units I and II and at least one of second repeat units III and IV:

##STR00001##

where each R.sup.1 is independently-H, O(C.sub.1-C.sub.5) alkyl, or (C.sub.1-C.sub.5) alkyl; each R.sup.2 is independently-H, O(C.sub.1-C.sub.5) alkyl, or (C.sub.1-C.sub.5) alkyl; each R.sup.3 is independently OH or O.sup.M.sup.1, each M.sup.1 is independently an alkali metal, an alkaline earth metal, an ammonium ion, or a quaternary ammonium ion; and each R.sup.4 is independently-NH.sub.2 or OM.sup.1. The gelling agent includes at least one of: a calcium chelating agent, a calcium precipitating agent, a pH buffer, an agent reactive with hydroxide, and an acid generating agent, and promotes formation of a gel from the maleic anhydride copolymer and the amine crosslinker in contact with set cement.

Treating a subterranean formation with a composition including a maleic anhydride copolymer, an amine crosslinker, and a gelling agent. The maleic anhydride copolymer includes first repeat units I and II and at least one of second repeat units III and IV:

##STR00001##

where each R.sup.1 is independently-H, O(C.sub.1-C.sub.5) alkyl, or (C.sub.1-C.sub.5) alkyl; each R.sup.2 is independently-H, O(C.sub.1-C.sub.5) alkyl, or (C.sub.1-C.sub.5) alkyl; each R.sup.3 is independently OH or O.sup.M.sup.1, each M.sup.1 is independently an alkali metal, an alkaline earth metal, an ammonium ion, or a quaternary ammonium ion; and each R.sup.4 is independently-NH.sub.2 or OM.sup.1. The gelling agent includes at least one of: a calcium chelating agent, a calcium precipitating agent, a pH buffer, an agent reactive with hydroxide, and an acid generating agent, and promotes formation of a gel from the maleic anhydride copolymer and the amine crosslinker in contact with set cement.

Additives for three-dimensional build materials or inks are described herein which, in some embodiments, can impart one or more structural enhancements to articles printed from the build materials. In one aspect, a polymerizable liquid comprises at least one additive including a plurality of cyclopolymerizable functionalities separated by an aliphatic linker or alkylene oxide linker.

Additives for three-dimensional build materials or inks are described herein which, in some embodiments, can impart one or more structural enhancements to articles printed from the build materials. In one aspect, a polymerizable liquid comprises at least one additive including a plurality of cyclopolymerizable functionalities separated by an aliphatic linker or alkylene oxide linker.

An actinic ray-sensitive or radiation-sensitive resin composition includes a resin having a repeating unit having a group in which a phenolic hydroxyl group is protected with an acid-leaving group; a first photoacid generator that generates an acid having a pKa of ?2.00 to 2.00, in which in a case where the acid thus generated is a carboxylic acid, a pKa of the carboxylic acid is ?2.00 or more and less than 1.00; and a second photoacid generator that generates a carboxylic acid having a pKa of 1.00 or more.