Emulsion polymers and coating compositions made therefrom that exhibit exceptional stain resistance to both hydrophilic and hydrophobic stains. The emulsion polymers include, as polymerized units: a) at least one ethylenically unsaturated nonionic monomer in an amount ranging between about 85 wt. % to less than 100 wt. % based on the overall weight of the polymer composition; b) a first acid monomer in an amount ranging from about 0.1 to 2 wt. %, the first monomer being a strong acid monomer selected as a phosphorus-based acid monomer, a sulfur-based acid monomer, or a mixture thereof, and c) a second acid monomer in an amount ranging from about 0.1 to 2 wt. %, the second monomer being one or more ethylenically unsaturated monomers having at least one carboxyl or carboxylic anhydride functional group. The relative amounts of the first and second acid monomers are such that the ratio of b/c is greater than 0.7.

Emulsion polymers and coating compositions made therefrom that exhibit exceptional stain resistance to both hydrophilic and hydrophobic stains. The emulsion polymers include, as polymerized units: a) at least one ethylenically unsaturated nonionic monomer in an amount ranging between about 85 wt. % to less than 100 wt. % based on the overall weight of the polymer composition; b) a first acid monomer in an amount ranging from about 0.1 to 2 wt. %, the first monomer being a strong acid monomer selected as a phosphorus-based acid monomer, a sulfur-based acid monomer, or a mixture thereof, and c) a second acid monomer in an amount ranging from about 0.1 to 2 wt. %, the second monomer being one or more ethylenically unsaturated monomers having at least one carboxyl or carboxylic anhydride functional group. The relative amounts of the first and second acid monomers are such that the ratio of b/c is greater than 0.7.

A pressure-sensitive adhesive composition for an optical film, includes a (meth)acryl-based polymer obtained by polymerization of a monomer component including, as a main component, an alkyl (meth)acrylate having an alkyl group of 4 to 18 carbon atoms; and a phosphate ester compound. The pressure-sensitive adhesive composition is capable of forming a pressure-sensitive adhesive layer for optical films. The pressure-sensitive adhesive layer that is for use on optical films and makes it possible to suppress an increase in the surface resistance of a transparent conductive layer even when a laminate including a transparent conductive layer and an optical film such as a polarizing plate with the pressure-sensitive adhesive layer interposed therebetween is stored under hot and humid conditions.

A pressure-sensitive adhesive composition for an optical film, includes a (meth)acryl-based polymer obtained by polymerization of a monomer component including, as a main component, an alkyl (meth)acrylate having an alkyl group of 4 to 18 carbon atoms; and a phosphate ester compound. The pressure-sensitive adhesive composition is capable of forming a pressure-sensitive adhesive layer for optical films. The pressure-sensitive adhesive layer that is for use on optical films and makes it possible to suppress an increase in the surface resistance of a transparent conductive layer even when a laminate including a transparent conductive layer and an optical film such as a polarizing plate with the pressure-sensitive adhesive layer interposed therebetween is stored under hot and humid conditions.

A composition having excellent adhesiveness to poorly adhesive materials such as polyolefins is provided. The solution is a composition comprising the following (1) to (2): (1) (meth)acrylates containing the following (1-1) to (1-3): (1-1) a (meth)acrylate having a hydroxyl group, (1-2) an alkyl (meth)acrylate, and (1-3) a (meth)acrylate having a cyclic ether skeleton, and (2) an organoboron compound. The content ratio of (1-1), (1-2), and (1-3) is (1-1):(1-2):(1-3)=(10 to 90):(5 to 80):(5 to 80) in mass ratio in 100 parts by mass of (1) (meth)acrylates.

A halogen-free flame retardant adhesive comprises an acrylic copolymer preparable by polymerization of monomers comprising a first monomer which comprises a low glass transition temperature (Tg) monomer, a second monomer which comprises a high Tg monomer, wherein at least one of the first and second monomers comprises a (meth)acrylate, and a phosphinate containing monomer.

A halogen-free flame retardant adhesive comprises an acrylic copolymer preparable by polymerization of monomers comprising a first monomer which comprises a low glass transition temperature (Tg) monomer, a second monomer which comprises a high Tg monomer, wherein at least one of the first and second monomers comprises a (meth)acrylate, and a phosphinate containing monomer.

A pressure sensitive adhesive comprising the polymerization product of a polymerizable composition comprising: (a) one or more (meth)acrylate ester monomers; (b) one or more hydrophilic non-acidic monomers; and (c) reactive, ionic surfactant. Also articles comprising such adhesives and methods for making such adhesives and such articles.

A pressure sensitive adhesive comprising the polymerization product of a polymerizable composition comprising: (a) one or more (meth)acrylate ester monomers; (b) one or more hydrophilic non-acidic monomers; and (c) reactive, ionic surfactant. Also articles comprising such adhesives and methods for making such adhesives and such articles.

A flame-retardant aconitic acid-derived monomer, a process for forming a flame-retardant polymer, and an article of manufacture comprising a material that contains a flame-retardant aconitic acid-derived monomer are disclosed. The flame-retardant aconitic acid-derived monomer can have at least one phosphoryl or phosphonyl moiety with functional groups that can participate in a polymerization reaction, such as allyl, epoxy, or propylene carbonate functional groups. The process for forming the flame-retardant polymer can include forming an aconitic acid derivative, forming a phosphorus-based flame-retardant molecule, and reacting the aconitic acid derivative with the phosphorus-based flame-retardant molecule to form a flame-retardant aconitic acid-derived monomer, which is then polymerized. The aconitic acid derivative can be synthesized from aconitic acid obtained from a bio-based source. The material in the article of manufacture can be a resin or adhesive, and the article of manufacture can further comprise an electronic component.