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Water-based flame-retardant white bright back glue PVC and preparation method thereof

A flame retardant adhesive and adhesive technology, applied in the direction of adhesives, adhesive types, film/sheet adhesives, etc., can solve the problems of non-standard flame retardant properties of adhesive PVC, easy residual adhesive, easy to burn, etc. , to achieve the effect of high color reduction, good anti-oxidation performance and good surface adhesion

Inactive Publication Date: 2018-01-19
ZHEJIANG FULAI NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, although the PVC material does not produce an open flame, it has the defect of being easy to burn, and it will also produce a large amount of toxic smoke during combustion, and it is also more likely to have potential combustion hazards. an important direction
But now there are some common problems with back-adhesive PVC: (1) The primer is generally a flammable substance, which makes the flame-retardant performance of the back-adhesive PVC not up to the standard; (2) But if too much inorganic flame-retardant powder is added to the primer Adhesive PVC has compatibility problems, which affects viscosity and tends to leave glue when removing advertising materials

Method used

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  • Water-based flame-retardant white bright back glue PVC and preparation method thereof
  • Water-based flame-retardant white bright back glue PVC and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] In terms of weight percentage, weigh the following components:

[0036] (1) Flame retardant coating: in 89.9% polyvinyl alcohol solution, add 3.5% aluminum hydroxide, 3% ammonium polyphosphate, 3.5% melamine and 0.1% wetting agent and mix well;

[0037] (2) Flame retardant glue layer: 50% butyl acrylate, 12% methyl methacrylate, 6% acrylic acid, 8% acryl alcohol, 12.9% 2-ethyl (methacrylic acid acyloxymethyl) phosphate, Melamine 3%, sodium lauryl sulfate 0.1%, mix evenly, then add initiator 2%, react at 70-90°C for 7-9h, then add latex powder 1%, nano-attapulgite 2% and continue the reaction for 1-3 hours; after cooling to normal temperature, add 3% curing agent, stir for 20-40 minutes, filter, and set aside;

[0038] (3) Coating flame retardant coating 15-30g / m on the white PVC layer 2 , after drying; on the other side of the white PVC layer, apply a flame-retardant glue layer of 15-30g / m 2 , the coating speed is 20-40m / min, after drying, after laminating with the r...

Embodiment 2

[0040] In terms of weight percentage, weigh the following components:

[0041] (1) Flame retardant coating: add 10% aluminum hydroxide, 10% ammonium polyphosphate, 10% melamine and 0.5% wetting agent to 69.5% polyvinyl alcohol solution and mix evenly;

[0042] (2) Flame retardant glue layer: 38% butyl acrylate, 12% methyl methacrylate, 6% acrylic acid, 8% acrylic alcohol, 9.7% 2-ethyl (methacrylic acid acyloxymethyl) phosphate, Melamine 8%, sodium lauryl sulfate 0.3%, mix evenly, then add initiator 4%, react at 70-90°C for 7-9h, then add latex powder 5%, nano-attapulgite 6% and continue the reaction for 1-3 hours; after cooling to normal temperature, add 3% curing agent, stir for 20-40 minutes, filter, and set aside;

[0043] (3) Coating flame retardant coating 15-30g / m on the white PVC layer 2 , after drying; on the other side of the white PVC layer, apply a flame-retardant glue layer of 15-30g / m 2 , the coating speed is 20-40m / min, after drying, after laminating with the ...

Embodiment 3

[0045] In terms of weight percentage, weigh the following components:

[0046] (1) Flame retardant coating: add 7% aluminum hydroxide, 6.5% ammonium polyphosphate, 6.5% melamine and 0.3% wetting agent to 79.7% polyvinyl alcohol solution and mix well;

[0047](2) Flame retardant glue layer: 45% of butyl acrylate, 8% of methyl methacrylate, 5% of acrylic acid, 6% of acryl alcohol, 15% of 2-ethyl (methacrylic acid acyloxymethyl) phosphate, Melamine 6%, sodium lauryl sulfate 0.2%, mix evenly, then add initiator 3%, react at 70-90°C for 7-9h, then add latex powder 3%, nano-attapulgite 4% and continue the reaction for 1-3 hours; after cooling to normal temperature, add 4.8% curing agent, stir for 20-40 minutes, filter, and set aside;

[0048] (3) Coating flame retardant coating 15-30g / m on the white PVC layer 2 , after drying; on the other side of the white PVC layer, apply a flame-retardant glue layer of 15-30g / m 2 , the coating speed is 20-40m / min, after drying, after laminatin...

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Abstract

The invention relates to digital image receiving materials, especially to water-based flame-retardant white bright back glue PVC. The water-based flame-retardant white bright back glue PVC comprises aflame-retardant coating, a white PVC layer, a flame-retardant glue layer and a release white silicon paper layer, which are arranged from top to bottom. The flame-retardant glue layer is composed ofthe following ingredients (by weight): 38-50% of butyl acrylate, 6-12% of methyl methacrylate, 2-6% of acrylic acid, 4-8% of propenol, 10-17% of a phosphorus-containing acrylic monomer, 3-8% of melamine, 0.1-0.3% of alkyl sulfate, 3-8% of a curing agent, 2-4% of an initiator, 1-5% of latex powder and 2-6% of nanometer attapulgite. The flame retardant property of the water-based flame-retardant white bright back glue PVC can reach the fireproofing grade of VTM-2, has high color reduction degree, 100% removes residual glue, and can be applied to water-based spray painting and portray printing equipment.

Description

technical field [0001] The invention relates to a digital image receiving material, in particular to a water-based flame-retardant white bright adhesive PVC and a preparation method thereof. Background technique [0002] In recent years, green and environmentally friendly products have attracted people's attention, and the government has also vigorously advocated environmental protection. More than 80% of adhesive-backed PVC products in the market today use oil-based glue, which contains carcinogenic chemical components such as benzene or releases VOC gases that are harmful to the environment. [0003] However, although PVC material does not produce open flames, it has the defect of being easy to burn, and it will also produce a lot of toxic smoke during combustion, and it is more likely to have potential combustion hazards. an important direction. But now there are some common problems with back-adhesive PVC: (1) The primer is generally a flammable substance, which makes ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J7/25C09J7/38C09J133/08C09J11/06C09J11/04C08F220/18C08F220/14C08F220/06C08F216/08C08F230/02C09D129/04C09D5/18
Inventor 夏厚君代树祥潘华
Owner ZHEJIANG FULAI NEW MATERIAL CO LTD
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