A pH-responsive hybrid hydrogel, namely poly(Methacrylic acid-grafted-Ethylene Glycol) P(MAA-g-EG) cross-linked with Styrene-Butadiene-Styrene (SBS) polymer and photopolymerized by visible light. The resulting polymer turned out to have better integrities, high swelling ratios, pH-responsive and biocompatible character. Also the visible-light-induced synthesis of these pH-responsive composite wherein eosin Y is used as photoinitiator and triethanolamine is used as a co-initiator is also disclosed in the invention.

A pH-responsive hybrid hydrogel, namely poly(Methacrylic acid-grafted-Ethylene Glycol) P(MAA-g-EG) cross-linked with Styrene-Butadiene-Styrene (SBS) polymer and photopolymerized by visible light. The resulting polymer turned out to have better integrities, high swelling ratios, pH-responsive and biocompatible character. Also the visible-light-induced synthesis of these pH-responsive composite wherein eosin Y is used as photoinitiator and triethanolamine is used as a co-initiator is also disclosed in the invention.

Provided are a coloring resin composition including a resin, a coloring material, and an organic solvent, in which the resin includes at least one repeating unit selected from the group consisting of repeating units each represented by any one of Formula (1-1), Formula (1-2), Formula (1-3), Formula (1-4), or Formula (1-5), a proportion of a total amount of the repeating units each represented by any one of Formula (1-1), Formula (1-2), Formula (1-3), Formula (1-4), or Formula (1-5) with respect to a total molar amount of all repeating units included in the resin exceeds 60 mol %, and a content of the coloring material is 30 mass % or more with respect to a total solid content of the composition; a film; a color filter; a solid-state imaging element; and an image display device.

##STR00001##

Provided are a coloring resin composition including a resin, a coloring material, and an organic solvent, in which the resin includes at least one repeating unit selected from the group consisting of repeating units each represented by any one of Formula (1-1), Formula (1-2), Formula (1-3), Formula (1-4), or Formula (1-5), a proportion of a total amount of the repeating units each represented by any one of Formula (1-1), Formula (1-2), Formula (1-3), Formula (1-4), or Formula (1-5) with respect to a total molar amount of all repeating units included in the resin exceeds 60 mol %, and a content of the coloring material is 30 mass % or more with respect to a total solid content of the composition; a film; a color filter; a solid-state imaging element; and an image display device.

##STR00001##

A cross-linked polymer including a structure wherein at least a portion of phenolic hydroxyl groups in the polymer is protected by a group represented by the following formula (1):

##STR00001##

wherein R.sup.1 represents an alkyl group having 1 to 5 carbons and n represents an integer from 1 to 5; and * represents a bond part of the phenolic hydroxyl group to a residue other than a hydrogen atom, and a structure wherein at least a portion of phenolic hydroxyl groups in the polymer is protected by a group represented by the following formula (2):

##STR00002##

wherein R.sup.2 represents a divalent saturated hydrocarbon group having 2 to 17 carbons, containing an aromatic ring; and * represents a bond part of the phenolic hydroxyl group to a residue other than a hydrogen atom, and the polymers are cross-linked to each other.

A cross-linked polymer including a structure wherein at least a portion of phenolic hydroxyl groups in the polymer is protected by a group represented by the following formula (1):

##STR00001##

wherein R.sup.1 represents an alkyl group having 1 to 5 carbons and n represents an integer from 1 to 5; and * represents a bond part of the phenolic hydroxyl group to a residue other than a hydrogen atom, and a structure wherein at least a portion of phenolic hydroxyl groups in the polymer is protected by a group represented by the following formula (2):

##STR00002##

wherein R.sup.2 represents a divalent saturated hydrocarbon group having 2 to 17 carbons, containing an aromatic ring; and * represents a bond part of the phenolic hydroxyl group to a residue other than a hydrogen atom, and the polymers are cross-linked to each other.

A laminate has an olefin-aromatic vinyl compound-aromatic polyene copolymer and a metal foil. The number average molecular copolymer weight is between 5000 and 100000; the aromatic vinyl compound monomer is aromatic vinyl compound having between 8 and 20 carbon atoms, and the aromatic vinyl compound monomer unit content is between 10 and 60 mass %; the aromatic polyene is selected having between 5 and 20 carbon atoms and vinyl and/or vinylene groups in the molecule, the content derived from the aromatic polyene unit is between 1.5 and 20 pieces per number average molecular weight; and the olefin is selected having between 2 and 20 carbon atoms, being ethylene alone, or having a mass ratio of α-olefin monomer components other than ethylene to an ethylene monomer component contained in the olefin, of 1/7 or less, and the total monomer units of the olefin, aromatic vinyl compound, and aromatic polyene is 100 mass %.

A laminate has an olefin-aromatic vinyl compound-aromatic polyene copolymer and a metal foil. The number average molecular copolymer weight is between 5000 and 100000; the aromatic vinyl compound monomer is aromatic vinyl compound having between 8 and 20 carbon atoms, and the aromatic vinyl compound monomer unit content is between 10 and 60 mass %; the aromatic polyene is selected having between 5 and 20 carbon atoms and vinyl and/or vinylene groups in the molecule, the content derived from the aromatic polyene unit is between 1.5 and 20 pieces per number average molecular weight; and the olefin is selected having between 2 and 20 carbon atoms, being ethylene alone, or having a mass ratio of α-olefin monomer components other than ethylene to an ethylene monomer component contained in the olefin, of 1/7 or less, and the total monomer units of the olefin, aromatic vinyl compound, and aromatic polyene is 100 mass %.

The present disclosure provides a preparation method of an environment-friendly high-temperature resistant water-based drilling fluid plugging anti-sloughing agent, the preparation method comprises the following steps: mixing and emulsifying a styrene monomer, an acrylic monomer and an emulsifier MS-1 aqueous solution to prepare a pre-polymerization emulsion; dispersing hydrophilic monomer, cationic monomer and an emulsifier MS-1 in water, adjusting the pH to be within a range of 6.5-8.5, then adding mixed monomers of the styrene monomer and acrylic monomer to blend and emulsify to prepare a post-polymerization emulsion; adding a first cross-linking agent and a first initiator into the pre-polymerization emulsion, uniformly dispersing the mixture and carrying out reaction; subsequently dropwise adding the post-polymerization emulsion, adding a second cross-linking agent and a second initiator, uniformly dispersing the mixture and then continuously carrying out reaction, drying and crushing the reaction product to prepare the plugging anti-sloughing agent.

The present disclosure provides a preparation method of an environment-friendly high-temperature resistant water-based drilling fluid plugging anti-sloughing agent, the preparation method comprises the following steps: mixing and emulsifying a styrene monomer, an acrylic monomer and an emulsifier MS-1 aqueous solution to prepare a pre-polymerization emulsion; dispersing hydrophilic monomer, cationic monomer and an emulsifier MS-1 in water, adjusting the pH to be within a range of 6.5-8.5, then adding mixed monomers of the styrene monomer and acrylic monomer to blend and emulsify to prepare a post-polymerization emulsion; adding a first cross-linking agent and a first initiator into the pre-polymerization emulsion, uniformly dispersing the mixture and carrying out reaction; subsequently dropwise adding the post-polymerization emulsion, adding a second cross-linking agent and a second initiator, uniformly dispersing the mixture and then continuously carrying out reaction, drying and crushing the reaction product to prepare the plugging anti-sloughing agent.