Esacure ONE by IGM Resins is a difunctional oligomeric alpha hydroxy ketone. It is a type I photoinitiator. Provides through and surface cure. Formula (1) was prepared using both Esacure M (A) and Esacure ONE (B). The results of the tests performed are reported in figures 1 & 2. Curing was. ONE offers very low odor levels and low migration but suffers from low solubility. A liquid version, Esacure ONE 75, is a 75% solution of ONE in 25% ethozylated.

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Examples of alcohols are isodecanol, CC15 oxoalcohols, propylene glycol, dipropylene glycol, tripropylene glycol, oligoethylene glycols like diethylene glycol, triethylene glycol, tetraethylene glycol and glycerin. EP EPB1 en The surfactant is e.

A1 Designated state s: Year of fee payment: PLFP Year of fee payment: Thus the inventive photoinitiator blends have a much broader applicability ranging from typical non-aqueous UV-paints up to aqueous UV-systems.

SM Free format text: Other examples are acrylonitrile, acrylamide, methacrylamide, N-substituted meth acrylamides, vinyl esters such as vinyl acetate, ewacure ethers such as isobutyl vinyl ether, styrene, alkyl- and halostyrenes, N-vinylpyrrolidone, vinyl chloride or vinylidene chloride. The homogeneous liquid blend as defined above is used to produce solvent-free, solvent- or water-based surface coatings, printing inks, screen-printing inks, offset-printing inks, flexographic-printing inks, resist materials or image-recording material, especially in the production of corresponding aqueous systems.

EPB1 – Liquid photoinitiator blend – Google Patents

Photocurable ink composition, inkjet recording method, recorded matter, ink set, ink cartridge, and inkjet recording device. We’re sorry, but the industry you have selected is not currently available in your chosen language. Esacuree ONE is an off white powder, difunctional alpha-hydroxy ketone photoinitiator that is insoluble in water and soluble in most common organic solvents, monomers, and oligomers for UV applications.

Also suitable are high boiling liquid alcohols like C10 to Calcohols or polyols. The C 1 -C 22 alkyl group in the above mentioned alkoxylates is linear or branched, saturated or unsaturated and preferably C 6 -C Most necessary For analysis and a reasonably well-functioning website.

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The mixture is cooled slowly to room temperature. They often require longer times of mixing until a uniform distribution and dissolution has been achieved. To the homogeneous solution water is added. Acrylic and methacrylic acid are preferred.

As an aqueous dispersion there still remain disadvantages in that the photoinitiator particles may settle on ons storage and that the aqueous dispersion is incompatible to many non-aqueous UV-systems. Examples of ether fluids are diethylene glycol dibutyl ether and phenoxyethanol Examples of alcohols are isodecanol, CC15 oxoalcohols, propylene glycol, dipropylene glycol, tripropylene glycol, oligoethylene glycols like diethylene glycol, triethylene glycol, tetraethylene glycol and glycerin.

Examples of suitable alkoxylated surface active agents include:. Higher concentrations of the photoinitiator are not disclosed. Examples of unsaturated carboxylic acids are acrylic acid, methacrylic acid, crotonic acid, itaconic acid, cinnamic acid, and unsaturated fatty acids such as linolenic acid or oleic acid.

ESACURE ONE

Want to know more? A homogenous liquid blend according to claim 1 wherein the surface active agent is selected from alcohol alkoxylates glycolethersfatty acid alkoxylates, fatty amine alkoxylates, or fatty amide alkoxylates, alkoxylates of phenols esaucre alkylsubstituted phenols, block copolymers or random copolymers of ethylene oxide and propylene oxide, alkoxylates of alkine-alcohols or alkine-diols, alkoxylates of castor oil, alkoxylates of sorbitan fatty acid esters and mixtures thereof.

Also suitable are high boiling liquid alcohols like C10 to Calcohols or polyols. Also preferred are non-ionic surfactants derived from ethoxylated esters of fatty acids with glycerine or sorbitan, such as polyoxyethylene glycerine monostearate, polyoxyethylene sorbitan monolaurate, polyoxyethylene sorbitan monopalmitate, polyoxyethylene sorbitan-monostearate, polyoxyethylene sorbitan monooleate, polyoxyethylene sorbitan tristearate, polyoxyethylene sorbitan trioleate.

Also high energy input is required to esscure the product form dispersing process. Most preferred are solid alpha hydroxyketones like e. In addition, especially with waterborne UV-curable paints, it is also very difficult to control the status of homogeneous dissolution as the paint formulation is in itself turbid.

The photoinitiator samples were tested in 2 different water-based clear coat formulations. Small amounts of water may not have a negative impact concerning the stability of the inventive photoinitiator blends as well as concerning the compatibility of the inventive photoinitiator blends for non-aqueous systems.

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The term also refers to compounds in which one or edacure aromatic groups, which can be alkylated, are connected through the residue of a linking group to an oligomeric or polymeric chain of alkylene oxide residues. The term “alkoxylated liquid surface active agent” refers to compounds in which one or more straight or ezacure C 1 -C 22 alkyl chains are connected through the residue of a linking group to an oligomeric or polymeric chain of alkylene oxide residues.

They may be of low monomeric or high oligomeric molecular mass. PT Free format text: Also preferred are non-ionic surfactants derived from ethoxylates of vegetable oils or animal fats, such as corn oil ethoxylate, castor oil ethoxylate, tallow oil ethoxylate. The homogeneous mixture is cooled slowly to room temperature. A homogenous liquid blend according to claim 1 wherein the surface active agent is selected from alcohol alkoxylates glycolethersfatty acid alkoxylates, fatty amine alkoxylates, or fatty amide alkoxylates, alkoxylates of phenols or alkylsubstituted phenols, block copolymers or random copolymers of ethylene oxide and propylene oxide, alkoxylates of alkine-alcohols or alkine-diols, alkoxylates of castor oil, alkoxylates of sorbitan fatty acid esters and mixtures thereof.

USA1 – Liquid photoinitiator blend – Google Patents

The acrylate peak at approx. Oxime ester derivatives of benzocarbazole compounds and their use as photoinitiators in photopolymerizable compositions. A homogenous liquid blend according to claim 1 wherein the diluent is present.

These problems lead to higher processing effort and less reproducible quality. By contrast, Example 9 had a viscosity similar to honey and could be directly poured into the OPV. B1 Designated state s: IS Free format text: A further advantage is shown for the aqueous systems.