The present invention relates to a thermoplastic copolymer, block copolymer, and statistical copolymer comprising plural acrylated polyol monomeric units having different degrees of acrylation of hydroxyl groups. The acrylated polyol monomeric units have an average degree of acrylation greater than 1 and less than the number of the hydroxyl groups of the polyol. The present invention also relates to a method of making the thermoplastic copolymer, block copolymer, and statistical copolymer, and using them in various applications, such as asphalt rubber modifiers, adhesives, or an additive in a fracking fluid for oil fracking.

Methods for producing polypeptide-polymer conjugates include attachment of an initiator agent to a polypeptide specifically at the C-terminus of the polypeptide using a sortase enzyme and in situ polymerization of a polymer from the C-terminus. The polypeptide-polymer conjugates may have desirable pharmacological properties and may be used therapeutically.

To provide a photopolymerizable composition which can be quickly cured by light of from 300 nm to 500 nm, and a cured product of which is less colored.

A photopolymerizable composition comprising a compound having an anthracene skeleton represented by the following formula (1), a compound having a benzophenone skeleton and a radical polymerizable compound:

##STR00001##

wherein each of R.sup.1 and R.sup.2 which may be the same or different, is a C.sub.1-20 alkyl group, a C.sub.6-20 aryl group, an alkylcarbonyl group having a C.sub.1-20 alkyl group, an arylcarbonyl group having a C.sub.6-20 aryl group, an alkyloxycarbonyl group having a C.sub.1-20 alkyl group, or an aryloxycarbonyl group having a C.sub.6-20 aryl group, and each of X and Y which may be the same or different, is a hydrogen atom or a C.sub.1-8 alkyl group.

An optical laminate, including: a polarizing layer; and a porous layer formed on at least one side of the polarizing layer, wherein the polarizing layer includes zinc component, and wherein an absolute value of a change in an amount of color coordinate a* of CIE L*a*b* according to Equation 1 is 2 or less:
a*=a*.sub.aa*.sub.i[Equation 1] wherein a* is the change in the amount of the color coordinate a*, a*.sub.a is a color coordinate a* of the optical laminate after maintaining the optical laminate at 105 C. for 250 hours under a state where both top and bottom surfaces of the optical laminate come in contact with glass substrates, and a*.sub.i is a color coordinate a* of the optical laminate before maintaining the optical laminate at 105 C. for 250 hours.

A process for the preparation of a polymer nanoparticle by a photoinduced emulsion polymerization includes preparing an emulsion comprising at least one surfactant, a dispersed phase and a continuous phase. The dispersed phase comprises at least one polymerizable monomer and the continuous phase comprises water and at least one photoinitiator. The at least one polymerizable monomer is polymerized by exposing the emulsion to an electromagnetic radiation having a wavelength so as to induce a generation of radicals from the at least one photoinitiator. The at least one photoinitiator is selected from at least one compound of formula (I) ##STR00001##

A process for the preparation of a polymer nanoparticle by a photoinduced emulsion polymerization includes preparing an emulsion comprising at least one surfactant, a dispersed phase and a continuous phase. The dispersed phase comprises at least one polymerizable monomer and the continuous phase comprises water and at least one photoinitiator. The at least one polymerizable monomer is polymerized by exposing the emulsion to an electromagnetic radiation having a wavelength so as to induce a generation of radicals from the at least one photoinitiator. The at least one photoinitiator is selected from at least one compound of formula (I) ##STR00001##

Novel urethane-acrylate (UAC) Star monomers and polyurethane-acrylate (PUAC) aerogel polymers derived therefrom are described herein, along with other novel, related monomers and polymers. Also described herein are processes for preparing the UAC Star monomers, the PUAC aerogel polymers, and the other related monomers and polymers. The PUAC and related polymers herein are useful in various applications including in structural and thermal insulation.

Novel urethane-acrylate (UAC) Star monomers and polyurethane-acrylate (PUAC) aerogel polymers derived therefrom are described herein, along with other novel, related monomers and polymers. Also described herein are processes for preparing the UAC Star monomers, the PUAC aerogel polymers, and the other related monomers and polymers. The PUAC and related polymers herein are useful in various applications including in structural and thermal insulation.

According to one embodiment, a method includes contacting a triiodobenzoic acid with an oxalyl chloride in a solvent whereby triiodobenzoyl chloride is formed, contacting diethanolamine with triiodobenzoyl chloride where triiodobenzoic diol amine is formed, and forming an acrylate of triiodobenzoic diol amine with acryloyl chloride where an organoiodine compound is formed. According to another embodiment, an optically clear photopolymer resist blend for additive manufacturing includes a radiopaque pre-polymer compound where the compound includes at least one of the following: iodine, bromine, tin, lead, or bismuth. The resist blend also includes a photoinitiator, a polymerization inhibitor, and a base pre-polymer.

A monomer comprises the structure ##STR00001##
wherein R.sup.1 comprises H or a substituted hydrocarbyl or unsubstituted hydrocarbyl, and wherein R.sup.2 comprises H, a halide, or a substituted or unsubstituted (C.sub.1-C.sub.4) hydrocarbyl. A method comprises (a) reacting a dianhydrohexitol precursor having the structure ##STR00002##
with an acyl-group containing compound having the structure ##STR00003##
wherein R.sup.1 comprises H or a substituted hydrocarbyl or unsubstituted hydrocarbyl, and X comprises a halide, a hydroxyl group, or an acyl group to form an acylated dianhydrohexitol ester intermediate having the structure ##STR00004##
and (b) reacting the acylated dianhydrohexitol ester intermediate with an acrylic-based compound having the structure ##STR00005##
wherein R.sup.2 comprises H, a halide, or a substituted or unsubstituted (C.sub.1-C.sub.4) hydrocarbyl, and Y comprises a halide, a hydroxyl group, or an acyl group, to form a dianhydrohexitol-based monomer having the structure ##STR00006##