CN85100891A - Increase the method that is coated with photographic emulsion and magnetic paint viscosity fastness on the dacron chip base - Google Patents
Increase the method that is coated with photographic emulsion and magnetic paint viscosity fastness on the dacron chip base Download PDFInfo
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- CN85100891A CN85100891A CN 85100891 CN85100891A CN85100891A CN 85100891 A CN85100891 A CN 85100891A CN 85100891 CN85100891 CN 85100891 CN 85100891 A CN85100891 A CN 85100891A CN 85100891 A CN85100891 A CN 85100891A
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- chip base
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- dacron chip
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Abstract
Manufacturing is used for the hydrophilic coating of the dacron chip base of aviation and tape.Dacron chip base is handled 3-10 second with the ethanol or the dichloroethane solution of 5-10% trichloroacetic acid at 25-40 ℃ earlier.Be coated with again with by gelatin 0.5, glacial acetic acid 1, water 1, NC Nitroncellulose 0.6-1.2, chlorohydrin 10, the mixed solution that methyl alcohol 100 (gram or milliliter) is formed can make emulsion, magnetic paint and dacron chip base bonding very firm, and the high grade of transparency is arranged.Placing 18 years viscosity fastness remains unchanged.
Description
The field is photographic film and tape under of the present invention.
The dacron chip base material is as the existing 28 years history of photographic film sheet base.Studies show that (1): because the destruction that classical triacetate dimension degradation product can impel emulsion layer, dacron chip base has its unique premium properties in this respect, therefore use dacron chip base replace the triacetate dimension as the sheet base of cinefilm be subjected to attention, dacron chip base replaces triacetate dimension sheet base that significantly characteristics are being arranged aspect the microphotographic storage stability.But dacron chip base is triacetate dimension sheet base bonding more difficult to the water wettability photosensitive emulsion relatively again, therefore needs research, and proposition makes dacron chip base and the bonding method of emulsion.
Be coated with the method for emulsion on the dacron chip base, in nearly 30 years, have many patents to deliver.Just the someone proposed (2) to be coated with on the triacetate dimension sheet base at classics the gelatin layer that has cellulose nitrate etc. as far back as 1958, as the method that makes triacetate dimension sheet base and water wettability emulsion adhesive linkage.On dacron chip base, be coated with the method for emulsion, various countries' patent content is of all kinds, for example in recent years company of Du Pont (Du Pont) in the patent (3) of Britain, just propose to use glue-line, contain ethylene imine (Aziridine) commissure reagent, dibasic aliphatic alcohol polyester, isophathalic acid, dibasic acid also adds the prescription of isophathalic acid sodium salt.The sheet base need give processing with flame.United States Patent (USP) (4) proposes to use the polyacrylate prescriptions such as (acrylates) that contains itaconic acid and ester, and uses when the stretching dacron chip base, uses 220 ℃ pyroprocessing.
As far back as 1961 United States Patent (USP) (5) once proposed to use one or more layers acetal (Pioloform, polyvinyl acetal), and use list or polyhydric phenol to make solvent, aid in the gelatinous layer of forming by gelatin.The applicant etc. are when starting working, once held by chemistry provide and above-mentioned patent that the translation contribution is as the reference of work in the similar patent, still such just as many foreign patents, the concrete grammar content of giving is very wide, by forming of a lot of items and compound, be not easy to break through for the moment.For example viscosity fastness is fine sometimes, but poor transparency, and transparency is good sometimes, but viscosity fastness is poor again.We are through repeatedly exploring, and proportioning is found out method content and prescription that the application proposes finally.
The water wettability of dacron chip base is very poor.The objective of the invention is to propose to make dacron chip base and photosensitive emulsion, the adhering method of hydroaropic substances such as magnetic paint, and introduce the method for a kind of easy test emulsion and magnetic paint and dacron chip base bond degree.
Technology of the present invention is constructed as follows:
The main contents of the inventive method comprise three-procedure.One, gives treatment process, two, go up the gelatinous layer operation, three, go up the emulsion layer operation.The main prescription of each operation is seen below.The advantage of this method is that prescription is simple, viscosity fastness is good, places through 18 years indoor (Beijing), and viscosity fastness is still fine, and prescription is very little to the influence of sheet base fragility.The present invention has obtained following effect:
Through dacron chip base and emulsion that this patent method is handled, the viscosity fastness of magnetic paint is good, and is still fine through the indoor placement in the Beijing in 18 years, viscosity fastness, and handles very little to the influence of sheet base fragility.Quite existing other patent formulations of this patent method are simple.
Specific embodiment
One. optimum formula and step
(1) give treatment process and prescription:
The sheet base is coated in the trichloroacetic acid solution of the ethanol of 5%-10% or ethylene dichloride with modes such as immersion, little coating machine coatings.When using chloral hydrate to replace chloroacetic acid, then need the long coating time that coating is not come off, store influential for a long time the fragility of sheet base.
(2) go up gelatinous layer operation and prescription:
The sheet base that to handle from said method is coated in the gelatinous layer with following any prescription with modes such as dip-coating, little coating machine coatings again, and wherein the gelatinous layer prescription is:
(lazy) glue 0.5 gram freezes 1 milliliter of acetic acid, 1 milliliter in water, homemade exported product NC Nitroncellulose 1.2 grams (B.D.H. NC Nitroncellulose amount to 0.6 gram capable of reducing using, because of B.D.H. product viscosity higher).10 milliliters of chlorohydrins, 100 milliliters of methyl alcohol.
(3) go up emulsion layer, hand is coated with or the coating of little coating machine
(4) be coated with magnetic paint on the dacron chip base, through the dacron chip base that above-mentioned operation is handled, viscosity fastness is not fine when not being coated with emulsion layer coating magnetic paint.
Two. other prescription:
(1) give treatment formulations be 5 gram chloral hydrates in 25 ml methanol, the sheet base soaks moments later, uses following gelatin solution to handle the sheet base, gelatin solution is by 0.5 gram gelatin, 1 ml water, 1 milliliter of acetic acid, 20 milliliters of chlorohydrins, 1.2 gram cellulose nitrate are formed in 40 ml methanol.Emulsion on the hot blast drying does not fall.
(2) use 20% chloral hydrate, dichloroethane solution is handled after ten minutes and is coated with gelatin, sheet base water white transparency, and viscosity fastness is good.
(3) directly be coated with and go up emulsion behind the solution of making by following prescription.Polyvinyl butyral is in 75 milliliters of dioxane, and heating mixes, and the smear base placed 40 ℃ of baking ovens ten minutes while hot, was coated with emulsion.
(4) 20% chloral hydrate ethanol (95%) solution soaked 10 minutes, and last polyvinyl butyral is gone up emulsion again, and viscosity fastness is good.
(5) handle the sheet base with the trichloroacetic acid prescription, the back is handled the sheet base with the gelatin solution of following prescription and is coated with emulsion again: the prescription of gelatin solution is by gelatin 0.5 gram, 1 milliliter of acetic acid, 1 milliliter in water, cellulose nitrate 1.2 grams, 10 milliliters of chlorohydrins, chloral hydrate 3 grams, 100 ml methanol are formed.
Gelatinous layer: remove above-mentioned gelatinous layer prescription, that is: (lazy) glue 0.5 restrains, 1 milliliter in glacial acetic acid, 1 milliliter in water, homemade exported product NC Nitroncellulose 1.2 grams, (B, D, H NC Nitroncellulose amount to 0.6 gram capable of reducing using, because of B, D, H product viscosity higher), outside 10 milliliters of the chlorohydrins, 100 milliliters of methyl alcohol, also can consider to use following all prescriptions:
＃1 ＃2
Gelatin 0.7 gram cellulose nitrate 0.2 gram
Water acid 0.35 gram gelatin 0.6 gram
15 milliliters of 4.5 milliliters of chlorohydrins of chlorohydrin
40 milliliters of methyl alcohol 664 ml methanol
40 milliliters of 32 milliliters of methylene chloride of acetone
＃3
Gelatin 0.7 gram (0.75%)
Salicylic acid 0.35 gram (0.37%)
64 milliliters of methyl alcohol (67%)
32 milliliters in acetone (33.5%)
More than No. three (#3) gelatinous layer prescription be the gelatinous layer prescription that proposed in the patent documentation (5).
Be coated with magnetic paint on the dacron chip base: the dacron chip base through above-mentioned operation is handled, be not coated with emulsion layer, viscosity fastness is fine during the coating magnetic paint.
The method of testing of the viscosity fastness of emulsion layer and magnetic paint layer on the dacron chip base:
To use on the dacron chip base emulsion layer
Sheet base size is looked in the standardized trail of face cutter, and general 1 to 5 centimeter long getting final product is firmly taken off after drawing a cutter place, cementing strapping with plaster paste again, if when taking off to fall fully, viscosity fastness is all right.
Handle dacron chip base with this patent, once on 2 * 5 centimeters and 20 * 20 centimeters dacron chip bases, carried out experiment.
List of references
1.Adelstein，P.Z.，McCrea，J.L. Journal of Appl.Photographic Engineering，7，106-7（1981）.
2. chemical abstracts 52 is rolled up P18042e
3.GB, 1,602,, 899; Chemical abstracts 96,190623h(1982),
4.U.S.4,329,423; Chemical abstracts 97,47110 α (1982),
5.U.S.2,984,569; Chemical abstracts 55,24343e(1961).
Attached sample:
One, depositing 18 years six this patents, to cement the result good, and two, cement bad sample (non-this patent method processor).
Claims (7)
1, a kind of hydrophilic coating chemical treatment that is used to increase dacron chip base and photographic emulsion plunger bond strength, this hydrophilic coating is to be applied between dacron chip base and the silver halide emulsion layer, it is characterized in that dacron chip base is given processing respectively with following arbitrary four kinds of chemical formulations earlier:
(1), the ethanol or the ethylene dichloride mixed solution of trichloroacetic acid,
(2), the ethanol or the ethylene dichloride mixed solution of chloral hydrate,
(3), 2.8% dioxane solution of 2.8% dioxane solution or phosphorus-chlorophenol,
(4), the chloral hydrate solution of dioxane,
And then dip-coating with fill a prescription 1 or fill a prescription 2 contain gelatin " bottom " solution, perhaps give and handling and directly coating is to fill a prescription " bottom " solution of 2 without any chemistry, the treatment temperature of various chemical treatment solutions and time should add control.
2, the hydrophilic coating chemical treatment of increase dacron chip base as claimed in claim 1 and photographic emulsion plunger bond strength, it is characterized in that wherein the optimum chemical disposal route of (1) is, dacron chip base given at 25-40 ℃ with the ethanol of 5-10% trichloroacetic acid or dichloroethane solution earlier handles 3-10 second, be coated with again with restrain by gelatin 0.5 gram, 1 milliliter in glacial acetic acid, 1 milliliter in water, NC Nitroncellulose 0.6-1.2,10 milliliters of chlorohydrins and 100 milliliters of " bottom " solution of being formed of methyl alcohol (filling a prescription 1).
3, the hydrophilic coating chemical treatment of fastness between increase dacron chip base as claimed in claim 1 and emulsion layer, it is characterized in that wherein the optimum chemical disposal route of (1) is, earlier dacron chip base is given processing with the ethanol or the ethylene dichloride of 5-10% trichlorine aldehydic acid, again with its dip-coating in by gelatin 0.5 gram, 1 milliliter of acetic acid, 1 milliliter in water, NC Nitroncellulose 0.6-1.2 gram, 10 milliliters of chlorohydrins, in chloral hydrate 3 grams and 100 milliliters of " bottom " solution of being formed of methyl alcohol (prescription 2), dip-coating 2-10 minute, or on coating machine, be coated with 2-10 minute, the temperature of " bottom " solution keeps 40 ℃ or 50 ℃ during dip-coating.
4, the hydrophilic coating chemical treatment of increase dacron chip base as claimed in claim 1 and photographic emulsion plunger bond strength, it is characterized in that wherein the optimization process technical scheme of (2) is, dacron chip base is earlier given processing with the ethanolic solution of 30% chloral hydrate, and then be coated with to fill a prescription 1 " bottom " solution and to this solution interpolation salicylic acid or chloral hydrate.
5, the hydrophilic coating chemical treatment of increase dacron chip base as claimed in claim 1 and photographic emulsion plunger bond strength, it is characterized in that wherein the optimization process scheme of (3) is, dacron chip base is given processing with 2.8% dioxane solution earlier, be coated with again to fill a prescription " bottom " solution of 1, the temperature of " bottom " is that 70 ℃, time of immersion are 1 minute during dip-coating, or dacron chip base is given after the processing dip-coating again filling a prescription " bottom " solution of 2 with 2.8% dioxane solution of phosphorus chlorophenol, the temperature of " bottom " solution is that 40 ℃, time are 10 minutes during dip-coating.
6, the hydrophilic coating chemical treatment of increase dacron chip base as claimed in claim 1 and photographic emulsion plunger bond strength, it is characterized in that wherein the treatment formulations of (4) is, dacron chip base given 50 ℃ of immersions with the chloral hydrate solution of dioxane handled 15 minutes, and then coating is to fill a prescription 1 or 2 " bottom " solution of filling a prescription.
7, the hydrophilic coating chemical treatment of increase dacron chip base as claimed in claim 1 and photographic emulsion plunger bond strength is characterized in that dacron chip base is given processing without any chemistry, and directly dip-coating to fill a prescription " bottom " solution of 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN85100891A CN85100891B (en) | 1985-04-01 | 1985-04-01 | Hydrophilic coating of polyester chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN85100891A CN85100891B (en) | 1985-04-01 | 1985-04-01 | Hydrophilic coating of polyester chip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN85100891A true CN85100891A (en) | 1986-07-02 |
| CN85100891B CN85100891B (en) | 1988-12-14 |
Family
ID=4791506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN85100891A Expired CN85100891B (en) | 1985-04-01 | 1985-04-01 | Hydrophilic coating of polyester chip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN85100891B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6090520A (en) * | 1996-11-04 | 2000-07-18 | Foto-Wear, Inc. | Silver halide photographic material and method of applying a photographic image to a receptor element |
| US6258448B1 (en) * | 1989-09-11 | 2001-07-10 | Foto-Wear, Inc. | Silver halide photographic transfer element |
-
1985
- 1985-04-01 CN CN85100891A patent/CN85100891B/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6258448B1 (en) * | 1989-09-11 | 2001-07-10 | Foto-Wear, Inc. | Silver halide photographic transfer element |
| US6090520A (en) * | 1996-11-04 | 2000-07-18 | Foto-Wear, Inc. | Silver halide photographic material and method of applying a photographic image to a receptor element |
Also Published As
| Publication number | Publication date |
|---|---|
| CN85100891B (en) | 1988-12-14 |
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