IT1165081B - Incorporating water insoluble additives into photographic emulsions - using a combination of dispersion aids - Google Patents
Incorporating water insoluble additives into photographic emulsions - using a combination of dispersion aidsInfo
- Publication number
- IT1165081B IT1165081B IT2314679A IT2314679A IT1165081B IT 1165081 B IT1165081 B IT 1165081B IT 2314679 A IT2314679 A IT 2314679A IT 2314679 A IT2314679 A IT 2314679A IT 1165081 B IT1165081 B IT 1165081B
- Authority
- IT
- Italy
- Prior art keywords
- alkyl
- water
- combination
- water insoluble
- opt
- Prior art date
Links
- 239000006185 dispersion Substances 0.000 title abstract 3
- 239000000654 additive Substances 0.000 title abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract 2
- 239000000839 emulsion Substances 0.000 title 1
- 125000000217 alkyl group Chemical group 0.000 abstract 5
- 239000000084 colloidal system Substances 0.000 abstract 2
- 125000000753 cycloalkyl group Chemical group 0.000 abstract 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 150000001340 alkali metals Chemical class 0.000 abstract 1
- 125000004432 carbon atom Chemical group C* 0.000 abstract 1
- 230000009969 flowable effect Effects 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
Landscapes
- Colloid Chemistry (AREA)
Abstract
A process is claimed for incorporating photographic additives (I) which are insoluble or sparingly soluble in water, into flowable aq. prepns. contg. a hydrophilic colloid to produce a photographic layer. The (I) are mixed with (a) 1 dispersion aid of formula (II), (III), or (IV), (b) 1 dispersion aid of formula (V), (VI) or (VII) and opt. (c) a water-intermediate solvent, and the mixt. is finally dispersed in the aq. compsn. contg. the colloid and opt. other water-soluble or dispersed water-insoluble components. R1, R2 and R3 are H, Cl, (opt. phenyl-substd.) 1-8C alkyl or 5-6C cycloalkyl, R4 is H or Me, R5-8 are H, Cl, Br, or 1-8C alkyl, R9-14 and R22-27 are H, Cl or Br and R15-21 are H, Cl, Br or 1-30C alkyl; 1 of R1, R2 or R3 is 3C alkyl or 5-6C cycloalkyl, 1 of R15-17 and 2 of R5-R8 and R18-R21 are 3C alkyl, the sum of C atoms in R5-8 and R18-21 being 8 and in (II)-(VII) 50% of all the gpss. R4 is H, Z is H, or -PO, Y1Y2, Z1 is -SO3M, -PO. (OM)2 or -PO.Y3OM, Y1, Y2 and Y are M is H, alkali metal or ammonium; m = 1-5; n1 = 4-100; n2-n5 are such that (n2 + n3) and (n4 + n5) are each 8-200; n6 = 1-20 and n7-n10 are such that (n7 + n8) and (n9 + n10) = 2-40.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB25501/78A GB1589159A (en) | 1978-05-31 | 1978-05-31 | Process for producing pigment and dyestuff compositions |
| CH459379A CH639992A5 (en) | 1978-05-31 | 1979-05-17 | METHOD FOR PRODUCING A NON-DUSTING, EASILY DISPERSIBLE PIGMENT OR DYE GRANULATE. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT7923146A0 IT7923146A0 (en) | 1979-05-30 |
| IT1165081B true IT1165081B (en) | 1987-04-22 |
Family
ID=25695836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT2314679A IT1165081B (en) | 1978-05-31 | 1979-05-30 | Incorporating water insoluble additives into photographic emulsions - using a combination of dispersion aids |
Country Status (1)
| Country | Link |
|---|---|
| IT (1) | IT1165081B (en) |
-
1979
- 1979-05-30 IT IT2314679A patent/IT1165081B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| IT7923146A0 (en) | 1979-05-30 |
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