In surface functionalization of a surface with nano- or microparticles, a process is for functionalizing a surface of a solid support with nano- or microparticles. Polymers include polymerized amine-functionalized monomer units. The polymers are used to functionalize a solid support with nano- or microparticles. The resulting nano- or microparticles functionalized polymers includes polymerized amine-functionalized monomer units.

Provided is a cured product of a resin composition including a (meth)acrylate compound and a compound having at least one thiol group, wherein the content of the compound having at least one thiol group in the cured product is 30 mass % or less, and wherein the cured product has a secondary dispersion characteristic of 0.65 or more.

The present invention provides a curable composition capable of securing delayed curing time for carrying out a work such as laminating or tightening after carrying out irradiation with an energy ray or heating and capable of exhibiting delayed curing property after that, regardless of whether an adherend is transparent or not. The present invention is a curable composition comprising components (A) to (C): a component (A): a compound having a (meth)acryloyl group in a molecule; a component (B): saccharin; and a component (C): at least one of a photocationic catalyst as a component (C-1) and a thermal cationic catalyst as a component (C-2).

An article includes a polymer. The polymer includes a product of a crosslinking reaction including at least one cross-linker selected from the group consisting of: a) di-acrylates, tri-acrylates, and tetra-acrylates; b) modified tri-acrylates and tetra-acrylates; c) silanes and siloxanes; and d) triazinane-triones.

Various embodiments disclosed relate to a resin having a structure of at least one of Formula I and Formula II: In Formula I or Formula II R.sup.1, R.sup.3, R.sup.4, R.sup.5, and R.sup.6 can each be independently selected from the group consisting of hydrogen and substituted or unsubstituted (C.sub.1-C.sub.10)alkyl. R.sup.2 is (C.sub.1-C.sub.10) alkylene. L is a substituted or unsubstituted (C.sub.1-C.sub.10)alkylene or (C.sub.3-C.sub.10)cycloalkylene. In Formula I or Formula II, n or m is greater than or equal to 0, and wherein the resin has an average molecular weight of less than 10,000 g/mol. ##STR00001##

Resins and formulations of individual monomers bearing both vinyl ester and epoxy functionality were either synthesized or formulated such that vinyl ester components capable of polymerizing by photo-induced, free radical polymerization were mixed with step-growth epoxy-amine systems, facilitating sequential cure. The vinyl ester component was photopolymerized using vat photopolymerization (VPP). Additionally, the preparation of bio-based photo curable thermosetting resins that have tailorable thermal and mechanical properties is provided. All monomers and polymers described herein are useful in a variety of applications, including additive manufacturing applications.

A coating has dual curing mechanisms wherein the first cure reaction and second cure reaction become active due to differing reaction mechanisms.

The present invention relates to a homogeneous liquid/fluid combination of photoinitiators with improved formulability, reactivity and surface curing performances, more particularly to novel combinations of acylphosphine oxides and ketocoumarins, optionally further combined with at least one co-initiator.

A polymer compound modified by an acryloyl derivative and a polythiol compound are used for preparing a thiol-modified polymer compound by a Michael addition reaction of thiol and conjugated double bonds. In addition to achieving the structural goal of the thiol-modified polymer compound, the preparation method further has the following advantages: flexibly and effectively controlling the structure and constitution of a synthetic product, and the types and contents of a large number of compound molecular functional groups; using reagents having high biocompatibility, and effectively controlling the production cost and reducing the toxicity in the synthesis process; and obtaining, under the conditions of using safety reagents and simple reaction steps, thiol-modified biocompatible polymer compounds that can be used as extracellular matrix materials and maintain good raw material structure and biological activity, with the types and contents of functional groups adjusted according to requirements, and meeting multiple clinical application requirements.

Provided is a method of preparing a composition for forming a polyimide film which may significantly improve dispersibility of a pigment. Specifically, the method includes preparing a polyamic acid resin in the presence of a pigment dispersion including a blue-based inorganic pigment and a dispersing agent. In addition, an average particle size of the inorganic pigment in the pigment dispersion may be 10 to 100 nm.