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GB 27934.1-2011: [GB/T 27934.1-2011] Lamination process control and testing methods for paper prints -- Part 1: General requirements
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[GB/T 27934.1-2011] Lamination process control and testing methods for paper prints -- Part 1: General requirements
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Basic data | Standard ID | GB 27934.1-2011 (GB27934.1-2011) | | Description (Translated English) | [GB/T 27934.1-2011] Lamination process control and testing methods for paper prints -- Part 1: General requirements | | Sector / Industry | National Standard | | Classification of Chinese Standard | A17 | | Classification of International Standard | 37.100.01 | | Word Count Estimation | 12,130 | | Date of Issue | 2011-12-30 | | Date of Implementation | 2012-06-01 | | Quoted Standard | GB/T 1040.3; GB/T 2410; GB/T 2918; GB/T 10003-2008; GB/T 14216; GB/T 16958-2008; GB/T 18722; CY/T 3; HJ/T 220-2005 | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 23 of 2011 | | 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 Chinese standard provides coated paper print terms and definitions and raw material requirements, coating quality requirements, test methods and finished products storage, transportation requirements. This standard applies to a coating paper print process control and inspection. | GB 27934.1-2011: [GB/T 27934.1-2011] Lamination process control and testing methods for paper prints -- Part 1: General requirements
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Lamination process control and testing methods for paper prints.Part 1. General requirements
ICS 37.100.01
A17
National Standards of People's Republic of China
Coated paper print process control and detection methods
Part 1. General requirements
Part 1. Generalrequirements
Issued on. 2011-12-30
2012-06-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Preface Ⅰ
Introduction Ⅱ
1 Scope 1
2 Normative references 1
3 Terms and definitions
2 4 Raw materials
5 Film quality requirements 4
6 Detection 4
7 finished product storage, transportation requirements 7
Foreword
Part 4 Chapter 4.2 are mandatory, the rest are recommended.
National standard "paper print coating process control and testing methods" for the multi-part standard, or has plans to release the following sections.
--- Part 1. General requirements;
--- Part 2. ethylene - vinyl acetate copolymer (EVA) hot melt adhesive pre-coated film;
--- Part 3. water-based adhesive that is coated dry film;
--- Part 4. reactive polyurethane (PUR) hot melt adhesive that is coated film;
--- Part 5. water-based adhesive that is coated wet film.
This part is the national standard "paper print coating process control and test methods" Part 1.
This section drafted in accordance with GB/T 1.1-2009 given rules.
Please note that some of the content of this document may involve patents. Release mechanism of the present document does not assume responsibility for the identification of these patents.
This section proposed by the Press and Publication Administration.
This part of the National Standardization Technical Committee printing (SAC/TC170) centralized.
This section is drafted. Beijing Kang Xin Composite Material Co., Ltd., Press and Publication Administration Publishing Quality Supervision and Inspection Center,
Dongguan Xingyu Polymer Materials Co., Ltd., Heshan Astros Printing Limited Company, Shenzhen City Industrial Co., Ltd., Wuxi Wanli stick
Material Co., Ltd., Heng paint (Huiyang) Co., Ltd., Dongguan Jun thinking Product Testing Co., Chemical Co., Ltd. Wenzhou Gold Coast.
The main drafters of this section. Xu Shu, Lu Ming, painted Xiaolin, Wang Huai Chu Lai Kam Holland, Pingqing Min, Zhou Qiping, Ji Xiaobin, Yang Aijun, Chen Choi,
Pool Zhengyi.
Introduction
Coated paper print after print belongs to a surface finishing process, it refers to the printed surface of the paper with a layer of plastic laminating machine laminating
One kind of paper and plastic film material is formed of one product processing technology.
Film role is to improve the print abrasion, folding, tensile strength, moisture resistance, oil resistance, protection print appearance and extend the use of
life.
More types of coating process, quality differences are large. "Coated paper print process control and testing methods" is based on a multi-part standard
Our environmental requirements, adapt to the development of new coating technology to ensure product quality and film-making.
Coated paper print process control and detection methods
Part 1. General requirements
1 Scope
This section provides terms and definitions and raw material requirements, film coated paper print quality requirements, test methods and finished product storage,
Transport requirements.
This section applies to coating process control and testing of printed paper.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member, undated references, the latest edition (including any amendments) applies to this document.
Test conditions for films and sheets. plastic 1040.3 Determination of tensile properties GB/T Part 3
Determination of GB/T 2410 transparent plastic light transmittance and haze
GB/T 2918 plastic sample conditioning and testing of the standard environment
GB/T 10003-2008 General purpose biaxially oriented polypropylene (BOPP) film
Tensile test method GB/T 14216 plastic film and sheet wetting
GB/T 16958-2008 biaxially oriented polyester film for packaging
GB/T 18722 printing technology reflection density measurement and color measurement applications in the printing process control
CY/T 3 color rendering index lighting and viewing conditions
HJ/T 220-2005 Environmental Labeling Products Adhesives
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Film filmlaminating
The adhesive-coated plastic film laminated to the surface of the print process.
3.2
Fold crease
Overlapping or uneven phenomenon film or coated products arise.
3.3
Scratch scratch
Film or coating the surface of the product line-shaped marks.
3.4
Violent muscle gagebands
Plastic film web along a circumferential direction of the ridge stripe projection phenomenon.
3.5
Haze haze
Through the specimen deviates from the incident direction and the scattered light flux transmitted luminous flux ratio, expressed as a percentage (for the present method, the only
The deviation from the direction of incident light scattered more than 2.5 ° for calculating the flux haze).
3.6
Bond strength adhesivestrength
The sample or product adhesion force required to separate the interface. Newtons per cm (N/cm).
3.7
Curl curl
In the absence of external force, the coated products appear warpage.
3.8
Tuomo delamination
Partial or full plastic film and print out the phenomenon after coating.
3.9
Deficit film shortfilm
Refers to the phenomenon of product coating film is less than the width and length requirements.
3.10
Bubble bubble
Bubble phenomenon appears between the plastic film and printed after lamination.
3.11
Film color colorvariationafterlamination
It refers specifically to the field of paper printed on film before and after the partial difference in color. In CIELABΔE * ab represents.
3.12
Film temperature laminatingtemperature
Laminating the heating temperature of the roller surface. Degrees Celsius (℃).
3.13
Film speed laminatingspeed
When covered, the length of the unit time of printing and laminating film. In meters per minute (m/min).
3.14
Film pressure laminatingpressure
Laminating machine laminating roller unit engaging interaction between the force per unit area, in megapascals (MPa).
3.15
Unwinding tension unwindingtension
The direction of the film coating process is subjected traction. Newtons (N).
3.16
Precoat thermallaminatingfilm
Hot melt adhesive coating previously formed on the film composite.
4 Raw materials
4.1 Requirements film
4.1.1 coated with a film appearance should be consistent with Table 1.
Table 1 film appearance requirements
Item appearance requirements
Fisheye, crystal points (white dots) ≤1.5mm2
Fold during use can be flattened
Allowing a slight scratch
Violent muscle adjacent protrusions and lows difference ≤2μm
Film roll end surface uniformity ≤2.0mm
Tightness of the film roll moving, sliding between the filmless production
Joints per 1000m more than one, and the need to use colored tape to mark
4.1.2 that is coated film should meet the physical and mechanical properties in Table 2.
Table 2 film that is coated mechanical performance requirements
project
Biaxially oriented polypropylene (BOPP) film
Light film matte film
Biaxially oriented polyester (BOPET)
Light film
Wetting Tension/mN/m surface treatment ≥38 ≥38 ≥48
Haze /% ≤2.0 ≥70 ≤8.0
Tensile strength/MPa
Longitudinal ≥120 ≥100 ≥170
Transverse ≥200 ≥160 ≥170
Heat shrinkage /%
Portrait ≤4.5 ≤4.5 ≤3.0
Lateral ≤3.0 ≤3.0 ≤3.0
4.1.3 precoat physical and mechanical properties shall conform to Table 3.
Table 3 precoat physical and mechanical performance requirements
project
Biaxially oriented polypropylene (BOPP) laminating film
Light film matte film
Biaxially oriented polyester
(BOPET) light precoat
Wetting Tension
mN/m
Coated surface ≥38 ≥38 ≥38
Haze
≤5.0 70 ± 10 ≤10.0
Tensile Strength
MPa
Portrait ≥70 ≥60 ≥70
Transverse ≥130 ≥100 ≥70
Heat shrinkage
Portrait ≤4.0 ≤4.0 ≤2.0
Lateral ≤2.0 ≤2.0 ≤1.0
4.2 Adhesive environmental requirements
The total content of the adhesive 4.2.1 benzene, toluene, xylene, should be less than 1000mg/kg, wherein the benzene content should be less than 100mg/kg.
4.2.2 Adhesive halogenated hydrocarbon content should be less than 1000mg/kg.
4.3 paper print requirements
4.3.1 surface clean and smooth.
4.3.2 print moisture and Film humidity and temperature to adapt.
4.3.3 printing ink layer should be sufficiently dry before coating.
4.3.4 printed ink film before wetting tension of not less than 38mN/m.
5 Film quality requirements
5.1 coating bond strength
One of the following conditions, namely that the bond strength Qualified.
a) When the film and print release, most or all of the ink transferred to the surface of the plastic film.
b) coated products after processing comply with the requirements of the bond strength.
5.2 appearance requirements
5.2.1 graphic clarity, the surface clean, smooth, no curl.
5.2.2 wrinkles, scratches, stripping, loss of membrane blistering.
5.3 color film
CIELABΔE * ab value color four-color solid ink coating shall meet the requirements of Table 4.
Table 4 film after four-color solid ink color CIELABΔE * ab value
Film type black magenta Qinghuang
Light film ≤3.0 ≤3.0 ≤3.0 ≤3.0
Matt film ≤10.0 ≤7.0 ≤7.0 ≤7.0
5.4 stability requirements
In film after film to match the environment and conditions placed 24h or more, shall comply with the requirements of this section 5.1,5.2,5.3.
5.5 process requirements
As for the surface coated products after processing requirements (such as stamping, UV coating, embossing, etc.) should be done before the film sample test, meet
Only after mass production requirements.
6 Detection
6.1 Sample conditioning and testing of the standard environment
Environmental standards by GB/T 2918 and predetermined tolerance range, a temperature of (23 ± 2) ℃, relative humidity of (50 ± 10)%,
Conditioning time less than 4h, and in this condition the test.
6.2 Detection physical and mechanical properties of thin films
6.2.1 haze detection method performed in GB/T 2410 standard.
6.2.2 Detection of tensile strength accordance with GB/T 1040.3 standard. Test speed and sampling methods, BOPP film in accordance with
GB/T 10003-2008 5.6 execution, BOPET film accordance with GB/T 16958-2008 in 6.5.1.
6.2.3 wetting tension detection method in accordance with the implementation of GB/T 14216 standard.
Heat shrinkage detection methods 6.2.4 BOPP film GB/T 10003-2008 in accordance with 5.7, BOPET film according to
GB/T 16958-2008 in 6.5.2 executed.
6.3 laminating film detection
6.3.1 haze detection method
According to former GB/T 2410 standards, the samples need to be processed. Approach is. the width of the transverse direction of the film roll specimen in
Transversely homogeneous sample sequentially on the subject and cut 120mm × 120mm square sample 5, will cut a good specimen suspended in a special order
The bracket (see Figure 1) placed 120 ℃ ~ 123 ℃ (BOPP laminating film), 150 ℃ ~ 153 ℃ (BOPET laminating film) drying box, each
Sample spacing 25mm ~ 30mm, put a piece of 300mm × 300mm insulation panels in the following sample, to prevent local heating. test
When not blowing heat removal immediately after the 30s, cooling to ambient temperature detection test. Not contaminate the sample surface and adhesion.
Millimeters
1 bracket
6.3.2 Detection of thermal shrinkage
Length direction and the width direction of the film roll, respectively longitudinal and transverse specimens. On the subject sample and cut transversely uniform sequentially 120mm ×
120mm square sample 5, sample to be positive, should be parallel to each side of the square, perpendicular to the longitudinal direction of the film roll, marking vertical and horizontal direction
To, in the middle of the vertical and horizontal specimen mark of 100mm (see Fig. 2), the sample was ordered suspended on a special bracket (see Figure 1), placed in
120 ℃ ~ 123 ℃ (BOPP laminating film), 150 ℃ ~ 153 ℃ (BOPET laminating film) drying box, each sample interval 25mm ~
30mm, in the following sample put a 300mm × 300mm insulation panels, to prevent local heating. When the test is not blowing, heating 30s after
Immediately removed, after cooling to ambient temperature the test, the vertical and horizontal lengths of the measurement mark (accurate to 0.5mm). According to the following formula calculates the aspect
To heat shrinkage, taking the arithmetic average of five samples.
T = (L-L1)/L × 100%
Where.
T --- heat shrinkage of the sample, expressed in%;
--- Before heating L of mark length of the line, in millimeters (mm);
After heating Ll --- mark length of a line, in millimeters (mm).
Millimeters
2 a schematic diagram of the sample mark
6.3.3 Other inspection items with 6.2.
6.4 Adhesive Detection
In accordance with the relevant content HJ/T 220-2005 Appendix A for testing.
6.5 Detection of paper print
Wetting tension on coated paper is detected before the ink layer printed accordance with GB/T 14216.
6.6 coating product quality testing
6.6.1 visual inspection
For testing in accordance with the provisions CY/T 3's.
6.6.2 color detection film
Before and after the paper printed color film is measured according to GB/T 18722 in the requirements and methods.
7 finished product storage, transportation requirements
7.1 storage environment should be clean.
7.2 Storage Temperature 5 ℃ ~ 40 ℃.
7.3 Finished avoid direct sunlight, and keep the heat more than 2m interval to prevent moisture.
7.4 Transportation should prevent collisions or contact with sharp objects, gently, to avoid the sun and rain.
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