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PET film production line mother roll single-layer direct winding and coating technology

A technology of coating process and film production line, which is applied to the device for coating liquid on the surface, coating, pretreatment surface, etc., which can solve the problems of large friction coefficient, short service life, poor impact resistance, etc., and achieve improved The effect of generating speed, smooth and uniform winding, and reducing loss rate

Pending Publication Date: 2021-05-07
揭西鑫昌顺电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a single-layer direct-receiving coating process for PET film production line parent rolls, so as to solve the problems of poor impact resistance, short service life and large friction coefficient of the traditional 3D protective film proposed in the background technology

Method used

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  • PET film production line mother roll single-layer direct winding and coating technology
  • PET film production line mother roll single-layer direct winding and coating technology

Examples

Experimental program
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Effect test

Embodiment 1

[0041] A PET film production line parent roll single-layer direct collection coating process, specifically including the following steps:

[0042] S1: Choose PET film as the base material, and release the PET film with unwinding equipment;

[0043] S2: preparing a silica gel coating liquid, using a three-roller coating head to evenly coat the silica gel coating liquid on the PET film substrate, the thickness of the silica gel coating liquid is 15 μm, and the thickness of the PET film substrate is 20 μm;

[0044] S3: Put the PET film coated with the silicone coating liquid into the rotary machine for UV curing;

[0045] S4: Winding up the cured PET film by a four-roller winder.

[0046] It is worth noting that the viscosity range of the coating liquid in this embodiment is 200 mPa.S.

[0047] In this embodiment, the silica gel coating solution includes the following raw materials in parts by weight:

[0048] 65 parts of vinyl silicone resin;

[0049] 2 parts of photoinitiat...

Embodiment 2

[0059] A PET film production line parent roll single-layer direct collection coating process, specifically including the following steps:

[0060] S1: Choose PET film as the base material, and release the PET film with unwinding equipment;

[0061] S2: preparing a silica gel coating liquid, using a three-roller coating head to evenly coat the silica gel coating liquid on the PET film substrate, the thickness of the silica gel coating liquid is 10 μm, and the thickness of the PET film substrate is 30 μm;

[0062] S3: Put the PET film coated with the silicone coating liquid into the rotary machine for UV curing;

[0063] S4: Winding up the cured PET film by a four-roller winder.

[0064] It is worth noting that the viscosity range of the coating liquid in this embodiment is 200 mPa.S.

[0065] In this embodiment, the silica gel coating solution includes the following raw materials in parts by weight:

[0066] 70 parts of vinyl silicone resin;

[0067] 4 parts of photoinitiat...

Embodiment 3

[0077] A PET film production line parent roll single-layer direct collection coating process, specifically including the following steps:

[0078] S1: Choose PET film as the base material, and release the PET film with unwinding equipment;

[0079] S2: preparing a silica gel coating liquid, using a three-roller coating head to evenly coat the silica gel coating liquid on the PET film substrate, the thickness of the silica gel coating liquid is 30 μm, and the thickness of the PET film substrate is 60 μm;

[0080] S3: Put the PET film coated with the silicone coating liquid into the rotary machine for UV curing;

[0081]S4: Winding up the cured PET film by a four-roller winder.

[0082] It is worth noting that the viscosity range of the coating liquid in this embodiment is 200 mPa.S.

[0083] In this embodiment, the silica gel coating solution includes the following raw materials in parts by weight:

[0084] 50 parts of vinyl silicone resin;

[0085] 1.5 parts of photoinitia...

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Abstract

The invention relates to the technical field of protective films, in particular to a PET film production line mother roll single-layer direct winding and coating technology. The technology specifically comprises the following steps that a PET film is unwound through unwinding equipment, a PET film base material is evenly coated with silica gel coating liquid, and the PET film base material is put into a rotary press to be subjected to UV curing; and the cured PET film is wound through a four-roller winding machine. The PET film is coated with the silica gel, and the PET film coated with the silica gel coating liquid is put into the rotary press for UV curing, so that when the PET film is exposed to focused ultraviolet light, the catalyzed vinyl organic silicon resin coating can be quickly subjected to cross-linking reaction, and the generation speed is increased; winding is very stable and uniform through the four-wheel winding machine, no bubbles or wrinkles exist, products of long meters can be rolled, the production qualification rate is up to 98%, the production loss can be controlled within 2%, and the produced product has a silica gel single layer; and the appearance winding effect is good, the loss rate can be reduced, and the rewinding equipment and labor cost can be reduced.

Description

technical field [0001] The invention relates to the technical field of protective films, in particular to a single-layer direct-recovery coating process for parent rolls in a PET film production line. Background technique [0002] TPU film is a thermoplastic polyurethane film, and it is also an environmentally friendly polymer. It has the characteristics of non-toxic, wear-resistant and so on. TPU film is widely used in the production of greenhouses, mobile phone screen protective film, car protective film and other fields. At present, the stretch rate of TPU film material for car protective film on the market is 50%, which will easily cause operational troubles when terminal use is It is not easy to extend, and it is not suitable for large arcs and special places. Contents of the invention [0003] The purpose of the present invention is to provide a single-layer direct-receiving coating process for PET film production line parent rolls, so as to solve the problems ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05D7/04B05D7/24B05D3/06C09D183/07
CPCB05D7/04B05D7/24B05D3/067C09D183/04B05D2518/10
Inventor 蔡超凡
Owner 揭西鑫昌顺电子科技有限公司
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