SU1365032A1 - Composition of antihalation layer for colour positive cine and photographic materials on cellulose triacetate base - Google Patents

Abstract

The invention relates to compositions of anti-aoreal layers for triacetate-based color-positive film photo materials and can be used in the chemical-photographic industry. In order to increase the adhesion of the anti-aorole layer to the base and its strength, CC1 and polymethylsiloxane (CSC) of the formula {(CH,) Si - 0 (CH,) Si-o}, where n 50-150, with molol are additionally introduced into the composition. 7000-20000, The composition contains, g / l: a copolymer of methyl methacrylate and methacrylic acid (molo 35–70 thousand and the ratio of 1: 1 units) 4-8; Antihoroid dye (dichlorocarboxyphenyl-aminotriphenylmethane) 5-10; plasticizer (dimethyl phthalate) 1-3; isopropyl alcohol 280-400; isobutanol 280-400; PDS 0.1-0.3; CC Up to 1 l. The indicated composition has a better strength of the anti-rim layer up to 3 kg (vs. 0.9 kg) with a lower friction coefficient of the layer — up to 0.212 (vs. 0.384) and does not affect the photographic properties of the photographic material on table 2. , (L oo od alo about 00 to

Description

The invention relates to compositions intended for the manufacture of anti-aorel film layers and can be used in chemical-photographic industry with

The aim of the invention is to increase the adhesion of the anti-riole layer to the surface of the cellulose triacetate base and to increase the strength

The proposed composition of the anti-aorol layer for triacetate-cellulose-based color positive film photographs, comprising a polymeric binder — a copolymer of methyl methacrylate and methacrylic acid, mol.m. 35000-70000 and with a ratio of 1: 1, respectively, the plasticizer is dimethylphaphate, the anticoreal dye dichlorocarboxyphenylaminotriphenylmethane, isopropyl alcohol and isobutyl alcohol, additionally contain polydimethylsiloxane of the general formula

CH-i Siz

-Sl-0-Si-O (1)

sn.

- P

ъ Щ

where n 50-150, mole „May 7000-2000 and carbon tetrachloride

A copolymer of methyl methacrylate and methacrylic acid with molo 35000-70000 and with a ratio of 1: 1 units has the structural formula

SOOSNz

.-with -

one

CH's Jm

COO.

-CH, -CI SI.

P

where m

n 1: 1

Example 1 about The components of the composition taken in the following, g / l:

Methyl- copolymer.

methacrylate and

methacrylic

acids with molomo

35000 and with the ratio of links

1:15,

Green dye

antihornary dichlorocarboxyphenylaminotrefe

R

0

five

nilmethane

Dimepshftalat

Isopropyl

alcohol

Isobutyl

alcohol

6.0 1.0

387.5

400.0

Dye, copolymer of methyl methacrylate and methacrylic acid with moloM 35000 and with a ratio of 1: 1 units, dimethyl phthalate is successively dissolved in a mixture of solvents of isopropyl and isobutyl alcohols at a temperature of 70 ° C for 6 hours. The prepared composition is applied onto the surface of cellulose acetate triacetate and dried at a temperature of 75-80 C for 10 min

An underlayer of the composition is applied on the back side of the substrate: gelatin 8 g, desalted water 140 ml; acetone 550 ml; methanol 310 ml; phthalic acid 5 g. CP-330 with rVh 2.0; pH 7.0 Emulsion layer thickness 18 µm o

Photo processing of the obtained material is carried out in the following mode, min:

Appearance in a developer for a color positive film9

Rinsing in distilled water2 First fixation 6-8 Rinsing10 Bleaching 4 Rinsing 3 Secondary fixation 4 Rinsing 10-15

1a, the PIES instrument determines the strength of the anti-aorol layer of the inter-turn transfiguration of the anti-aorole layer on the emulsion layer using the method of the ISCO Svema. The statistical coefficient of friction is determined by the slip angle of the counterbody on the substrate surface.

Example 2 To prepare a composition of the anti-aryole layer by sequential dissolution in a mixture of solvents of isopropyl and isobutyl alcohols

dye, copolymer of methyl methacrylate and methacrylic acid with moloMo 35000 and with a ratio of 1: 1 units with the addition of dimethyl phthalate at 70 ° C for 2 h. Then polydimethylsiloxane of the formula (D) mol.m. 7000 and p 50 dissolved in tetrachloride u

Lerode and agitated

Components for compos in the following ratio,

Methyl methacrylate copolymer and

methacrylic

acid with mole, MO

35000 and with a ratio of 1: 1 links

Dye antiparasol dichlorocarboxyphenylaminotriphenylmethane

Dimethylphapta

Isopropyl

alcohol

Isobutyl

alcohol

Polydimethylsiloxane with MOLOMO

7,000 and

Tetrachloride

carbon

The prepared composite by the roll-roller technique is a tatzelnsuzo substrate. layer, application of the emulsion and subsequent tests are carried out with analor 1.

Example In the Composition of the antioreoleum, in accordance with Example 2. Compo compositions are taken in the following, g / l:

Methyl methacrylate copolymer and

methacrylic

acid with molol.

35000 and with a ratio of 1: 1 units. Dioxide of anti-thioreal - dichlorocarboxy-phenol Laminotriphenylmethane

0

alcohol320

Isobutyl

alcohol320

Polydimethylsiloxane with MOLOMO

7000 and, 2

Tetrachloride

carbon345,8

The prepared composition is applied by the bathing roller method onto a trig cellulose substrate. The drying of the obtained layer, the application of the sublayer,: photoemulsions, processing and subsequent physical and mechanical properties tests are carried out as in Example 1.

Example 4, the composition for the anti-aole layer is prepared similarly to example 2, the components for the composition are taken in the following ratio, g / l:

A copolymer of methyl methacrylate and 5 methacrylic

acids with molomo

50,000 and with a ratio of 1: 1

Dye 0 protivoreorol

Dimethyl phthalate

Isopropyl

alcohol

Isobutyl

Polydimethylsiloxane with mol.mo 10000 and tetrachloride 0 carbon

The prepared composition is applied by the bathing roll method on a triacetate cellulose substrate. Drying the obtained layer, applying a sublayer, 5 emulsions and subsequent tests are carried out analogously to Example 1 o.

EXAMPLE 5 A composition for the anti-aorole layer was prepared analogously to Example 3. A copolymer of methyl methacrylate and methacrylic acid with mol, Mp 50,000 and a ratio of 1: 1 units, polydimethylsiloxane with mol.m. was taken as gshenko-0 forming component. 15000 and p / 100, g / l: 5 Copolymer of methyl methacrylate and methacrylic acid6

Dye pro8

10 3

400 280

0.1 298.9

Tyvivorvnyy7

Dimethylphthalag1

Isopropyl

alcohol320

Ieobutyl

alcohol 320

Polydimethylsiloxane 0, 2

Tetrachloride

carbon345,8

The prepared recipe of the composition was applied analogously to example 1 on the surface of the triacetate substrate substrate. The resulting layer was dried, the sublayer was applied, the emulsion was applied, and the subsequent tests were carried out analogously to Example 1. The data for examples 1-5 are given in tabLo.

13650326

vooorolnyh and strength properties in the process of storage under normal conditions after a year of storage of c. Data on photographic properties are listed in Table 2.

As can be seen from Tables 1 and 2, the proposed composition, as compared with the known one, has an increased strength of the anti-aorole layer to the surface of the cellulose triacetate substrate, a lower coefficient of layer friction, about the different surfaces of the equipment during operation. The proposed composition does not affect the photographic properties of film photographic materials,

Claims (1)

Invention Formula EXAMPLE 6 Composition dp of the anti-aura layer is prepared analogously to Example 2 o. A copolymer of methyl methacrylate and methacrylic acid with moloMo 70000 and with a ratio of 1: 1 units, polydimethylsiloxane with moloM is taken as the film-forming component. 20,000 and p / 150, g / l Methyl methacrylate copolymer and methacrylic acids4 Dye antioreorol5 Dimethylphapt1 Isopropyl alcohol280 Isobutyl alcohol400 Polydime Tylsiloxane 0, 3 Tetrachloride carbon308.7 The prepared composition is deposited as in Example 1 on the surface of cellulose triacetate substrate. Drying the resulting layer, applying a sub-layer, emulsion, and subsequent testing were carried out analogously to example 1, the data are summarized in tab. The proposed anti-triangle composition does not affect the photographic properties of the materials. To confirm this, three samples of the film are prepared without the anti-aoreole composition and with the proposed composition. In addition to OGO, the fabricated samples of the base with the proposed composition were tested for conser- Invention Formula The composition of the anti-rim layer for color-positive cinema films based on cellulose triacetate, including a polymeric binder a copolymer of methyl methacrylate and methacrylic acid, mol.m. 35000-70000 and a ratio of 1: 1, respectively, the plasticizer is dimethylphthalate, the anti-aorel dye dichlorocarboxyphenylaminotriphenylme-tan, Isopropyl alcohol, isobutyl alcohol, which, in order to increase the adhesion of the anti-aorol layer to the surface the cellulose triacetate base and increase the strength, the composition further comprises a polydimethylsiloxane of the general formula CH-1 CH I ii 5 -Si-0-Sl-O-CHT) CTrl-j,. (ABOUT P where P 50-150, moloMo 7000-20000, and carbon tetrachloride in the following ratio of components, g / l: Methyl methacrylate copolymer and methacrylic acids4-8 Antithornof dye 5-10 Plasticizer1-3 Isopropyl alcohol280-400 Isobutyl alcohol280-400 Paul went and tagged 7 siloxane of formula (I) 0.1-0.3 eight Four chlorine carbon Up to 1 l Table