IPC분류정보
| 국가/구분 |
United States(US) Patent
등록
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| 국제특허분류(IPC7판) |
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| 출원번호 |
US-0903947
(1978-05-08)
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발명자
/ 주소 |
- Dueber Thomas E. (Wilmington DE)
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| 출원인 / 주소 |
- E. I. Du Pont de Nemours and Company (Wilmington DE 02)
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| 인용정보 |
피인용 횟수 :
105 인용 특허 :
0 |
초록
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This invention relates to new photopolymerizable compositions. More particularly, this invention pertains to photopolymerizable compositions containing photodissociable initiators in combination with selected sensitizers derived from aryl ketones and p-dialkylaminoarylaldehydes that absorb in the vi
This invention relates to new photopolymerizable compositions. More particularly, this invention pertains to photopolymerizable compositions containing photodissociable initiators in combination with selected sensitizers derived from aryl ketones and p-dialkylaminoarylaldehydes that absorb in the visible region of the spectrum.
대표청구항
▼
A photopolymerizable composition comprising an admixture of (1) at least one non-gaseous ethylenically unsaturated compound having a boiling point above 100°C. at normal atmospheric pressure and being capable addition polymerization; (2) at least one 2,4,5-triarylimidazolyl dimer consisting of two l
A photopolymerizable composition comprising an admixture of (1) at least one non-gaseous ethylenically unsaturated compound having a boiling point above 100°C. at normal atmospheric pressure and being capable addition polymerization; (2) at least one 2,4,5-triarylimidazolyl dimer consisting of two lophine radicals bound together by a single convalent bond; and (3) a sensitizing amount of an arylylidene aryl ketone compound of the formulae: [Figure] A. wherein: A, B, D, E are carbon atoms or one may be solely a nitrogen atom: R1 is H, OH or CH3O; R2 is H, OH, CH3O or N(R6)2; R3 is H, OH or CH3O; a is 0 or 1; Z is >C〓O, CHOH, >C(CH3)2, －CH2－b, wherein b is 1, 2 or 3, [Figure] wherein R′is H, phenyl, or Z is linked with R4 where Z is [Figure] and R4 is －O－or >N－CH3 a being O; R4 is H, CH3, OH, CH3O; R5 is H or R5+R7 is －CH2CH2－, －CH2CH2CH2－, －O－CH2CH2－; R6 is H or R6+R7 is －CH2CH2－, －CH2CH2CH2－, －O－CH2CH2－; and R7 is CH3, －(CH2)n－CH3 where n is 1 to 5, －CH2CH2－Cl, －CH2CH2OH, CH2CH2OCH3; [Figure] B. wherein: A, B, D are carbon atoms or one may be solely a nitrogen atom; R1 is H, CH3, －OCH2CH2OR, wherein R is H, CH3, －CH2CH2OR′wherein R′is CH3 or CH3CH2－; R2 is H, CH3, OH or CH3O; R3 is H, OH, CH3O, CH3, F, Br, CN or N(R9)2; R2+R3 is －O－CH2－O－; R4 is H, CH3 or CH3O; R5 is H, CH3, －OCH2CH2OR, wherein R is H, CH3, －CH2CH2OR′wherein R′is CH3 or CH3CH2－; R6 is H, CH3 or phenyl; R7 is H, CH3, OH or CH3O; R8 is H; R8+R10 is －CH2CH2－, －CH2CH2CH2－, －OCH2CH2; R9 is H, R9+R10 is －CH2CH2－, －CH2CH2CH2－, －OCH2CH2－; and R10 is CH3, －CH2－nCH3 wherein n is 1 to 5; and [Figure] C. [Figure] wherein G is [Figure] －O－, or －S－; R1 is H, CH3 or －OCH3, and R2 is CH3 or －CH2CH3, the ketone having its maximum absorption in the range of 350 to 550 nm.
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