RU97114452A - MOLECULAR COMPLEX COMPOUNDS SPEAKING AS PHOTO-INITIATORS - Google Patents

Claims (1)

1. Molecular complex compound consisting of a mono-, bis- or trisacylphosphinokisnoy compound and α-hydroxyketone compounds. 2. The molecular complex compound according to claim 1, in which the mono-, bis- or trisacylphosphine oxide compound is a compound of formula I

where R ₁ and R _{2 are} independently C ₁ -C ₁₂ alkyl, benzyl unsubstituted or substituted one to four times with halogen, C ₁ -C ₈ alkyl and / or C ₁ -C ₈ alkoxy phenyl, cyclohexyl or a group of COR ₃ , or
R ₁ represents - OR ₄ or a group

R ₃ is unsubstituted or substituted one to four times by C ₁ -C ₈ -alkyl, C ₁ -C ₈ -alkoxyl, C ₁ -C ₈ -alkylthio and / or halogen phenyl or a group

R ₄ is C ₁ -C ₈ alkyl, phenyl or benzyl;
Y is phenylene, C ₁ -C ₁₂ alkylene or cyclohexylene;
X is C ₁ -C ₁₈ alkylene or a group

3. The molecular complex compound according to claim 1, in which the α-hydroxyketone compound is a compound of formula II

where R ₁₁ and R ₁₂ independently of one another are hydrogen, C ₁ -C ₆ alkyl or phenyl, or
R ₁₁ and R ₁₂ together with the carbon atom to which they are attached form a cyclohexyl ring;
R ₁₃ is OH;
R ₁₄ represents hydrogen, C ₁ -C ₁₂ -alkyl, C ₁ -C ₁₂ -alkoxyl, -OCH ₂ CH ₂ -OR ₁₅ , the group CH ₂ = C (CH ₃ ) or

l stands for one of the integers from 2 to 10;
B represents a radical

R ₁₅ is hydrogen,

or

4. The molecular complex compound according to claim 1, consisting of a mono- or bis-acylphosphine oxide compound of the formula I

where R ₁ and R ₂ independently from each other are C ₁ -C ₁₂ alkyl, unsubstituted or substituted once or twice with C ₁ -C ₈ -alkyl, C ₁ -C ₈ -alkoxyl phenyl, or COR ₃ ;
R ₃ stands in place of the radical

R ₁₈ is C ₁ -C ₄ alkyl or C ₁ -C ₄ alkoxyl;
R ₁₉ stands in place of hydrogen or C ₁ -C ₄ alkyl;
and α-hydroxyketone compounds of formula II

where R ₁₁ and R _{12 are} independently C ₁ -C ₄ alkyl, or R ₁₁ and R ₁₂ together with the carbon atom to which they are attached form a cyclohexyl ring;
R ₁₄ stands in place of hydrogen. 5. The molecular complex compound according to claim 1, wherein the acylphosphinokiside compound is bis- (2,6-dimethoxybenzoyl) - (2,4,4-trimethyl-pentyl) -phosphine oxide or 2,4,6-trimethylbenzoyl-diphenylphosphine oxide and the α-hydroxyketone compound is a compound of formula II, wherein R ₁₁ and R ₁₂ are substituted for C ₁ -C ₄ alkyl, or R ₁₁ and R ₁₂ together with the carbon atom to which they are attached form a cyclohexyl ring, R ₁₃ is OH and R ₁₄ is hydrogen.  6. The molecular complex compound according to claim 1, wherein the acylphosphinokiside compound is bis- (2,6-dimethoxybenzoyl) - (2,4,4-trimethyl-pentyl) -phosphine oxide, bis (2,4,6-trimethylbenzoyl ) - (2,4-dihexyloxyphenyl) phosphine oxide, bis (2,4,6-trimethylbenzoyl) - (4-ethoxyphenyl) phosphine oxide or 2,4,6-trimethylbenzoyl diphenylphosphine oxide, and the α-hydroxyketone compound is α-hydroxy cyclohexyl-phenyl-ketone or 2-hydroxy-2-methyl-1-phenyl-propan-1-one.  7. The molecular complex compound according to claim 1, containing a mono-, bis- or trisacylphosphine oxide compound and an α-hydroxyketone compound in a 1: 1 molar ratio.  8. A composition capable of photopolymerization, containing (a) at least one ethylenically unsaturated, capable of photopolymerization compound and (b) as a photoinitiator at least one molecular complex compound according to claim 1.  9. A composition capable of photopolymerization according to claim 8, containing, in addition to component (b), other additives (additives).  10. A composition capable of photopolymerization according to claim 8, containing component (b) as a photoinitiator in an amount of 0.015-15, in particular 0.2-5 wt.%.  11. The composition capable of photopolymerization of claim 8, containing as a photoinitiator at least one molecular complex compound according to claim 1, as well as an ultraviolet absorber from the class of hydroxyphenyl-s-triazines and / or hydroxyphenylbenzene triazoles and / or spatially hindered amines based on 2,2,6,6-tetramethyl-piperidines.  12. A method for photopolymerization of compounds containing ethylenically unsaturated double bonds, characterized in that the composition of claim 8 is irradiated with light with a wavelength of 200 - 600 N.  13. The use of the composition of claim 8 to obtain varnishes, printing inks, plate, masses used in dentistry, resistive materials, and also as materials for video recording, in particular for obtaining holographic images.  14. A layer-coated base, at least one surface of which is coated with the composition of claim 8.  15. The method of photographic manufacturing of relief images, in which the coated base according to claim 14 is exposed to light rays, and unirradiated particles are removed using a solvent.