GB/T 27934.4-2011Lamination process control and testing methods for paper prints - Part 4: Lamination with polyurethane reactive hot melt adhesive (English PDF)
纸质印刷品覆膜过程控制及检测方法 第4部分：反应型聚氨酯（PUR）热熔胶即涂覆膜
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 30, 2011
Implementation date
June 1, 2012
Scope
GB/T 27934.4-2011 is the English-translated version of 纸质印刷品覆膜过程控制及检测方法 第4部分：反应型聚氨酯（PUR）热熔胶即涂覆膜.
GB/T 27934.4-2011 is the Chinese standard "Lamination process control and testing methods for paper prints - Part 4: Lamination with polyurethane reactive hot melt adhesive".
Its scope clause reads: This section provides reactive polyurethane (PUR) hot melt adhesive that is, terms and definitions and raw material coating film requirements, process requirements, equipment Requirements, environmental requirements, product quality requirements, test methods and finished product storage and transportation requirements.
This section applies to reactive polyurethane (PUR) hot melt adhesive film that is coated with a composite paper print process control. Its clauses include terms and definitions; raw materials.
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Document preview — GB/T 27934.4-2011
National Standard of the People's Republic of China
- ICS
- 37.100.01
- Classification
- A 17
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 5 2 process requirements
- 7 product quality requirements
- 8 Detection
- 9 finished product storage, transportation requirements
1 Scope
This section provides reactive polyurethane (PUR) hot melt adhesive that is, terms and definitions and raw material coating film requirements, process requirements, equipment
Requirements, environmental requirements, product quality requirements, test methods and finished product storage and transportation requirements.
This section applies to reactive polyurethane (PUR) hot melt adhesive film that is coated with a composite paper print process control.
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. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 1227 Precision pressure gauge
Determination of GB/T 18446-2009 Paints and varnishes isocyanate resin diisocyanate monomer
GB 27934.1-2011 coated paper print process control and test methods - Part 1. General requirements
3 Terms and Definitions
GB 27934.1-2011 define the following terms and definitions apply to this document.
3.1 Reactive Polyurethane (PUR) hot melt adhesive
One carbamate polymer segment having a repeating structural unit of isocyanate and polyol reaction generated, with the air
Moisture reactive hot melt adhesive forming a stable chemical structure, referred to as PUR hot melt adhesives.
4 Raw materials
4.1 PUR hot melt adhesive
4.1.1
no precipitation, homogeneous, there is a certain luster.
4.1.2
harmful substances in compliance with GB 27934.1-2011 4.2.
4.1.3
free toluene diisocyanate (TDI) is not detected.
4.2 film
In line with the provisions of 4.1 GB 27934.1-2011.
Paper print 4.3
In compliance with GB 27934.1-2011 4.3.
WB/T 1120-2022 | GB/T 36088-2018 | GB/T 26992-2011 | GB/T 27935.1-2016 | GB/T 27934.3-2011 | GB/T 27934.2-2011 | […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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GB/T 27934.3-2011 — Lamination process control and testing methods for paper prints - Part 3: Drying lamination with water-based adhesive
GB/T 27934.2-2011 — Lamination process control and testing methods for paper prints - Part 2: Lamination with EVA adhesive
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