Nonglare high-viscosity pressure-sensitive adhesive film
A technology for sticking films and pressure-sensitive adhesives, applied in the directions of polymer adhesive additives, non-polymer adhesive additives, adhesives, etc. Effects of high temperature performance and improved reliability
Active Publication Date: 2014-04-30
斯迪克新型材料(江苏)有限公司
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- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
For electronic products or other products, once the adhesive tape is used, it is required that the adhesive tape can maintain its viscosity under the condition of large temperature difference, and the adhesive can be easily peeled off from the film. Under other properties such as uniformity, there is a bottleneck in improving the roughness of the matte surface
Method used
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Experimental program
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Effect test
Embodiment 1~5
[0029] Embodiments 1 to 5: An anti-glare type high-viscosity pressure-sensitive adhesive film, the anti-glare type high-viscosity pressure-sensitive adhesive film includes a film substrate layer 1, and an anti-scratch coating is coated on the film substrate layer 1 Layer 2, the lower surface of the film substrate layer 1 is bonded and connected with a release film 4 through a pressure-sensitive adhesive layer 3;
[0030] The pressure-sensitive adhesive layer 3 is composed of the following components in parts by weight:
[0031] 75~78 parts of methyl methacrylate,
[0032] 30~32 parts of ethyl acrylate,
[0033] Dimethyldiethoxysilane 16~18 parts,
[0034] 40~45 parts of solvent,
[0035] Nanoscale SiO 2 Powder 2.2~2.8 parts,
[0036] Nanoscale Al 2 o 3 Powder 1.2~1.8 parts,
[0037] Micron SiO 2 Powder 0.2~0.5 parts,
[0038] Micron Al 2 o 3 Powder 0.2~0.5 parts,
[0039] 0.8~1 part of isocyanate,
[0040] Rosin resin 4.5~5 parts,
[0041] 4~5 parts of vinyl res...
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Abstract
The invention provides a nonglare high-viscosity pressure-sensitive adhesive film. The nonglare high-viscosity pressure-sensitive adhesive film is characterized in that the lower surface of a thin film substrate layer is adhesively connected with a release film by virtue of a pressure-sensitive adhesive layer, and the pressure-sensitive adhesive layer is composed of 75-78 parts of methyl methacrylate, 30-32 parts of ethyl acrylate, 16-18 parts of dimethyldiethoxysilane, 40-45 parts of solvent, 2.2-2.8 parts of nano-scale SiO2 powder, 1.2-1.8 parts of nano-scale Al2O3 powder, 0.2-0.5 part of micro-scale SiO2 powder, 0.2-0.5 part of micro-scale Al2O3 powder, 0.8-1 part of isocyanate, 4.5-5 part of rosin resin, 4-5 parts of terpene resin, 1.2-1.5 parts of azoic compound and 1-1.5 parts of coupling agent by weight. The pressure-sensitive adhesive film has the advantages that the roughness of the acrylic adhesive is improved without increasing particle diameter, and also settling of the SiO2 powder and the Al2O3 powder in the system is avoided, and the bonding force of the SiO2 powder and the Al2O3 powder with the substrate is improved.
Description
technical field [0001] The invention relates to a pressure-sensitive adhesive film, in particular to an anti-glare type high-viscosity pressure-sensitive adhesive film. Background technique [0002] Acrylic adhesives are used to stick one object to another. People pay more attention to the visual requirements of various furniture or electronic products such as styles and colors, so the appearance of electronic products is particularly important. This requires higher and higher requirements for adhesive tapes, which often require strong adhesion and thickness. Thin sticky tape. For electronic products or other products, once the adhesive tape is used, it is required that the adhesive tape can maintain its viscosity under the condition of large temperature difference, and the adhesive can be easily peeled off from the film. Secondly, the existing technology is taking into account Under other properties such as uniformity, there is a bottleneck in improving the roughness of t...
Claims
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IPC IPC(8): C09J7/02C09J133/12C09J11/04C09J11/06C09J11/08C08F220/14C08F220/18
Inventor 金闯张庆杰
Owner 斯迪克新型材料(江苏)有限公司