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GB/T 9861-2008: Imaging materials -- Photographic film and papers -- Method for determining the resistance of photographic emulsions to wet abrasion
Status: Valid GB/T 9861: Evolution and historical versions
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| GB/T 9861-2008 | English | 174 |
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Imaging materials -- Photographic film and papers -- Method for determining the resistance of photographic emulsions to wet abrasion
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GB/T 9861-2008
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| GB/T 9861-1988 | English | 199 |
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Method for determining the resistance of photographic films to abrasion during processing
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GB/T 9861-1988
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PDF similar to GB/T 9861-2008
Basic data | Standard ID | GB/T 9861-2008 (GB/T9861-2008) | | Description (Translated English) | Imaging materials -- Photographic film and papers -- Method for determining the resistance of photographic emulsions to wet abrasion | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G80 | | Classification of International Standard | 37.040.20 | | Word Count Estimation | 9,987 | | Date of Issue | 2008-09-24 | | Date of Implementation | 2009-05-01 | | Older Standard (superseded by this standard) | GB/T 9861-1988 | | Adopted Standard | ISO 18914-2002, IDT | | Regulation (derived from) | National Standard Approval Announcement 2008 No.16 (Total No.129) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies test methods for laboratory photographic emulsion layer or fine plastic back scratch resistance in the wash processing. This method is applicable to the determination of the processing fluid performance changes, fine layer characteristics. Process fluid temperature and processing time and other factors, and these factors combined together fine layer of anti-scratch ability of wetlands. This method is also applicable to the determination of the photographic emulsion firmness wet state, but does not apply to the evaluation of scratch resistance material support. | GB/T 9861-2008: Imaging materials -- Photographic film and papers -- Method for determining the resistance of photographic emulsions to wet abrasion
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Imaging materials. Photographic film and papers. Method for determining the resistance of photographic emulsions to wet abrasion
ICS 37.040.20
G80
National Standards of People's Republic of China
GB/T 9861-2008/ISO 18914.2002
Replacing GB/T 9861-1988
Imaging materials photographic film and paper
Photographic emulsions wet scratch resistance measurement method
(ISO 18914.2002, IDT)
Posted 2008-09-24
2009-05-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard is identical with ISO 18914.2002 "Imaging materials --- --- photographic film and paper photographic emulsions wet scratch resistance measurement side
Law "(in English).
This standard is equivalent to translate ISO 18914.2002.
For ease of use, this standard does the following editorial changes.
a) "this International Standard" be replaced by "this standard";
b) use a decimal point instead of a decimal comma ",". ",";
c) Delete ISO 18914.2002 Foreword rewrite of the standard "foreword"; the introduction of international standards as a direct translation of the
Standard Introduction.
The revised standard and replaces GB/T 9861-1988 "Determination of scratch resistance force during the photographic film processing."
This standard compared with GB/T 9861-1988, the main changes are as follows.
--- Standard format prepared according to GB/T 1.1-2000 be requested;
--- Increasing the foreword and introduction;
--- Added Appendix A. For ease of use, an increase in "Appendix A measurement unit conversion";
--- GB/T 9861-1988 "Determination of scratch resistance force photographic film developing process," although the international standard test methods and a
Cause, but there is a big difference with the international standards in technical content and editorial narrative, since this standard is identical translation of international standards,
Therefore, this Standard and National Standard GB/T 9861-1988 "Determination of photographic film scratch resistance force during the wash" main
Following a big difference.
● In GB/T 9861-1988 is defined scratch force, that is, "the measured surface of the coating is scratched, needles applied
Pressure "in Newtons (N), and scratch resistance of this standard is based on the emulsion layer is scratched, the weight load on the stylus
The amount of the unit is g, the two are not different in nature, but a different choice of units;
● does not correspond to the text editor, GB/T 9861-1988 is to absorb the international standards of technical content, self-written,
Logically from the text, compared with the present standard standardization, and GB/T 9861-1988 compared with the practical;
● GB/T 9861-1988 provides reproducible method requires measuring the relative standard deviation of not more than 15%, while this standard only
It provides a significant level of evaluation values;
● There are differences in the standard name. Standard Edition of 1988 by the name be changed to "the process of photographic film scratch assay force flush"
"Imaging material photographic film and paper photographic emulsions wet scratch resistance measurement method." GB/T 9861-1988 outstanding
Anti-scratch "force", but said the present standard scratch resistance. GB/T 9861-1988 that "washing process", and this standard
Limited only in "wet" state.
Appendix A of this standard is a normative appendix.
The standard proposed by China Petroleum and Chemical Industry Association.
The photosensitive material standard by the National Standardization Technical Committee (SAC/TC102) centralized.
This standard was drafted. China Lucky Film Group Corporation.
The main drafters of this standard. Tang Zhijian, Cheng Yuan.
This standard supersedes the previous editions are.
--- GB/T 9861-1988.
GB/T 9861-2008/ISO 18914.2002
Introduction
Fine latex emulsion and wash any stationary processing machinery parts rub against each other photographic material, it may result in the processing plan
hurt. Flushing film or paper tray by hand, due to the fine layer may be too soft to foreign particles, all kinds of sharp corners or fingernail scratch emergence
Scratch.
Photographic emulsions in the wet state than dry state more easily scratched, wet emulsion and fine rubber backing layer than the support material is easier to scratch. The standard
Accurate testing methods can only be applied to such a wet emulsion layer and a layer of wet fine. Dry scratch resistance can be found in Reference [1].
Fine photographic emulsion layer and physical changes occur over time, these coatings wet scratch resistance when they depend inherent in the manufacture of immanence
can. Different before processing the dry state, e.g., storage temperature and moisture content also affected.
Process depends not only on the case of scratch resistance of the inherent characteristics of the emulsion, the type of machining fluid, the temperature and soaking time it also Movies
Ring (see reference [2] for details). These factors must be carefully controlled measurement emulsion scratch.
Wet scratch resistance test results to determine the importance of the material in accordance with various end uses. For example, some of the film was observed in a wet state,
While the general observation or film and photographs for use in dry before him. Some of the material after drying inspection scratched impact on the more wet state
small. You must select the most appropriate evaluation methods, and clearly stated in the results.
Standard test methods provide a good means to compare different emulsions aging degree, the type of processing liquid, the processing temperature and soaking time
The results of post-processing effects as well as other aspects. But whether it is continuous, trough or disc processing, equipment and technology related to many factors,
They can not be considered in the test program. Analysis of the scratch resistance of a processing system, only use the processing system to operate.
When this test method is also applicable to the determination of the fine latex layer in the normal or accelerated aging physical robustness, used for this purpose, soaked in distilled
Determination of wet scratch distilled water.
GB/T 9861-2008/ISO 18914.2002
Imaging materials photographic film and paper
Photographic emulsions wet scratch resistance measurement method
1 Scope
This standard specifies laboratory test methods for photographic emulsions or fine rubber backing layer scratch resistance in the washing process.
This method is applicable to the determination of the processing performance of the liquid changes, fine layer characteristics, process fluid temperature and processing times and other factors as well as combinations of these factors
After together on anti-scratch ability of fine layer wet.
The method is also applicable to the determination of the photographic emulsion firmness in the wet state, but not for the evaluation of the support material scratch resistance.
2 devices
2.1 parts
Equipment should have the following components.
--- Samples can be soaked in distilled water or working fluid sample cell. Sample cell can move smoothly in the horizontal plane and did not at least 30mm
There is lateral displacement. Sample cell can be manually driven, but also motor.
--- Spherical sapphire or diamond mounted on a cantilever end of the stylus. Rely on the boom, can be reduced to a stylus in contact with the sample, when the sample tank
When in stylus movement on the surface of the sample to draw a straight line. Stylus should be placed perpendicular to the contact with the sample solution tank, according to the
Emulsion film base radius is available on the stylus of 0.38mm, the base paper for photographic emulsion on the available plans needle header
The stylus radius 0.20mm. Stylus cantilever should be balanced in order to reverse the decline in the boom when the stylus is not placed on the emulsion surface stylus
There are loads.
NOTE. The ISO 18922 is described, dry scratch resistance test equipment after modification, it can also be used for this test.
2.2 Equipment Design
2.2.1 Summary
Equipment can be manufactured in two ways.
2.2.2 Instrument constant load
Instrument constant load, the weight placed directly onto a pallet. Which are designed to ensure that the added weight of the center of gravity is located directly on the stylus, added
Weight can range from 1g ~ 210g. The pivot arm axis of rotation is located on the flower button with roller screw hinge or adopt other measures to make the stylus can
Laterally positioned, so that we can draw a number of parallel lines on the same sample. It can also be used with a transverse orientation of the sample holder and stylus arm with only
Simple shaft.
2.2.3 variable load equipment
Variable load equipment may also be used (for example as shown in Figure 1). When the boom-down, hold back on the slider below the carriage. When the carriage with
The sample is moved from the cantilever axially outer groove, the slider movement along with it, so that we can draw a sample groove moves with the carriage needle endpoint does not load
Off increase. Carriage full mobile 180mm, weight from 0g to 70g. Test equipment for the expansion of the range, can be directly above the stylus
Screwed directly on the screw 50g, 100g and 150g of weight.
Instrument constant load and variable load equipment is best to use stainless steel or other non-rusting materials, immersed in water for easy cleaning.
Can put a piece of glass at the bottom of the sample well, the sample to provide a smooth surface.
GB/T 9861-2008/ISO 18914.2002
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