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Optical film double layer conveyor belt

A technology for conveyor belts and optical films, applied in the field of conveyor belts, can solve the problems of easy delamination, damage and other problems, and achieve the effect of good toughness

Active Publication Date: 2019-05-10
SUZHOU KECHUANG ELECTRONICS MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the deficiencies in the above-mentioned technologies, the present invention provides an optical film double-layer conveyor belt to solve the problem that the existing LCD optical film cutting conveyor belt is easy to delaminate and easily cause damage to the knife die

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] An optical film double-layer conveyor belt, which is a double-layer structure, specifically includes,

[0061] The lower layer has a layered structure, and the main component of the lower layer is PET resin;

[0062] The upper layer has a layered structure, and the main component of the upper layer is PE resin;

[0063] Wherein, an adhesive layer is bonded on the opposite surface of the lower layer and the upper layer, and the lower layer and the upper layer are bonded by heating to form an integrated structure.

[0064] Wherein, the surface of the upper layer opposite to the lower layer is also bonded with an adhesive layer. The adhesive layer is EVA hot melt adhesive containing nano powder.

[0065] Described EVA hot melt adhesive comprises following composition (by mass percentage):

[0066]

[0067]

[0068] After high-speed mixing of EVA resin, peroxide crosslinking agent, phenolic antioxidant, and hindered amine light stabilizer, nano calcium oxide powder...

Embodiment 2

[0086] An optical film double-layer conveyor belt, which is a double-layer structure, specifically includes,

[0087] The lower layer has a layered structure, and the main component of the lower layer is PP resin;

[0088] The upper layer has a layered structure, and the main component of the upper layer is PE resin;

[0089] Wherein, the surface of the lower layer opposite to the upper layer is coated with glue, and the lower layer and the upper layer are bonded by heating to form an integral structure.

[0090] Wherein, the surface of the upper layer opposite to the lower layer is also coated with glue, and the glue is polyurethane hydrosol.

[0091] Described polyurethane hydrosol comprises following composition (by mass percentage):

[0092] Polyurethane with a content of 82.5%;

[0093] Nano silicon dioxide powder, the content is 4%;

[0094] Nano zirconium dioxide powder, the content is 4%;

[0095] Thixotropic agent, content is 5%, and described thixotropic agent i...

Embodiment 3

[0118] An optical film double-layer conveyor belt, which is a double-layer structure, specifically includes,

[0119] The lower layer has a layered structure, and the main component of the lower layer is PET resin;

[0120] The upper layer has a layered structure, and the main component of the upper layer is PE resin;

[0121] Wherein, an adhesive layer is bonded on the opposite surface of the lower layer and the upper layer, and the lower layer and the upper layer are bonded by heating to form an integrated structure.

[0122] Wherein, the surface of the upper layer opposite to the lower layer is also bonded with an adhesive layer.

[0123] Wherein, described EVA hot-melt adhesive comprises following composition (by mass percentage):

[0124]

[0125] After high-speed mixing of EVA resin, peroxide crosslinking agent, phosphite antioxidant, and hindered amine light stabilizer, nano calcium oxide powder, nano beryllium oxide powder, nano boron oxide powder, nano The bariu...

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Abstract

The invention provides an optical film double-layer conveying belt of a two-layer structure. The conveying belt specially comprises a lower layer of a layered structure and an upper layer of a layered structure, wherein the lower layer is mainly made of PET resin or PP resin, and the upper layer is mainly made of PE resin. An adhesive layer is attached to the surface, opposite to the upper layer, on the lower layer or the surface, opposite to the upper layer, on the lower layer is coated with glue, and the lower layer and the upper layer form an integrated structure through heating and pressing. By means of the special design of the upper layer, the lower layer and the glue formula, the manufactured conveying belt does not layer, is good in toughness, and does not damage a cutting die.

Description

technical field [0001] The invention relates to a conveyor belt, in particular to an optical film double layer conveyor belt. Background technique [0002] In the LCD production industry, a large number of optical films such as polarizing films, amplification films, and brightness enhancement films are used, and conveyor belts are indispensable in the cutting and forming process of optical films. [0003] At present, the thickness of the conveyor belt used by the optical film cutting machine is generally 0.6mm, and the width is 1350, 1400, 1480, 1500, 1580, 1600mm, etc. material, Changzhou Tongyu can only produce single-layer PET with a maximum thickness of 0.35mm, so the conveyor belts used by optical film cutting machines are produced by double-layer composite methods, so that the conveyor belts produced in this way are easy to separate under the high-speed operation of the machine. layer, and because the material is hard, it is easy to cause damage to the die during use....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B27/08B32B27/36B32B27/32B32B7/12B32B27/20B32B33/00C09J123/08C09J11/04C09J175/04C08L23/06C08L23/12C08K13/02C08K5/00
CPCB32B7/12B32B27/08B32B27/20B32B27/32B32B27/36B32B33/00B32B2250/02B32B2250/246B32B2307/558B32B2433/02C08K3/22C08K3/38C08K5/00C08K13/02C08K2003/2206C09J11/04C09J123/0853C09J175/04C08L63/00C08K3/36C08K2003/2244C08L23/06C08L23/12
Inventor 李彦
Owner SUZHOU KECHUANG ELECTRONICS MATERIAL CO LTD