Preparation method of emulsion type polyacrylate pressure-sensitive adhesive for reflecting film

A technology of polyacrylate and isooctyl acrylate, which is applied in the field of preparation of emulsion type polyacrylate pressure-sensitive adhesive, can solve the problems of poor water resistance, heat resistance and heat resistance, and achieve strong stickiness and improved resistance. The effect of aging and water resistance enhancement

Active Publication Date: 2015-03-25
SUZHOU SIDIKE NEW MATERIALS SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, compared with solvent-based polyacrylate pressure-sensitive adhesives, emulsion-type polyacrylate pressure-sensitive adhesives have poor

Method used

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  • Preparation method of emulsion type polyacrylate pressure-sensitive adhesive for reflecting film
  • Preparation method of emulsion type polyacrylate pressure-sensitive adhesive for reflecting film

Examples

Experimental program
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Example Embodiment

[0024] Example 1:

[0025] (1) Ingredients: The formula of the polyacrylate pressure-sensitive adhesive is made up of the following components by weight:

[0026] Hard monomer: composed of 5 parts of vinyl acetate and 12 parts of methyl methacrylate;

[0027] Soft monomer: composed of 35 parts of isooctyl acrylate and 25 parts of ethyl acrylate;

[0028] Cross-linking monomer: composed of 2 parts of acrylic acid and 4 parts of methylol acrylamide;

[0029] Emulsifier: composed of 0.4 parts of sodium lauryl sulfate and 2 parts of sodium allyloxy hydroxypropyl sulfonate;

[0030] Initiator: 0.5 part of ammonium persulfate;

[0031] Dispersant: 68 parts of deionized water.

[0032] (2) Preparation (the components described below are all parts by weight):

[0033] First, 0.4 parts of sodium dodecyl sulfate, 2 parts of sodium allyloxy hydroxypropyl sulfonate, and 68 parts of deionized water were heated to 48 ° C, stirred at 180 r / min until clear and transparent, and then added...

Example Embodiment

[0038] Example 2:

[0039] (1) Ingredients: The formula of the polyacrylate pressure-sensitive adhesive is made up of the following components by weight:

[0040] Hard monomer: composed of 10 parts of vinyl acetate and 10 parts of methyl methacrylate;

[0041] Soft monomer: composed of 40 parts of isooctyl acrylate and 20 parts of ethyl acrylate;

[0042] Cross-linking monomer: composed of 4 parts of acrylic acid and 5 parts of methylol acrylamide;

[0043] Emulsifier: composed of 0.6 part of sodium lauryl sulfate and 1.5 part of sodium allyloxy hydroxypropyl sulfonate;

[0044] Initiator: 0.6 part of dibenzoyl peroxide;

[0045] Dispersant: 72 parts of deionized water.

[0046] (2) Preparation (the components described below are all parts by weight):

[0047] First, 0.6 parts of sodium dodecyl sulfate, 1.5 parts of sodium allyloxy hydroxypropyl sulfonate, and 72 parts of deionized water were heated to 55 ° C, stirred at 250 r / min until clear and transparent, and then add...

Example Embodiment

[0052] Example 3:

[0053] (1) Ingredients: The formula of the polyacrylate pressure-sensitive adhesive is made up of the following components by weight:

[0054] Hard monomer: composed of 15 parts of vinyl acetate and 8 parts of methyl methacrylate;

[0055] Soft monomer: composed of 45 parts of isooctyl acrylate and 12 parts of ethyl acrylate;

[0056] Cross-linking monomer: composed of 5 parts of acrylic acid and 6 parts of methylol acrylamide;

[0057] Emulsifier: It consists of 0.8 parts of sodium lauryl sulfate and 2.6 parts of sodium allyloxy hydroxypropyl sulfonate;

[0058] Initiator: 0.8 part of sodium bisulfite;

[0059] Dispersant: 76 parts of deionized water.

[0060] (2) Preparation (the components described below are all parts by weight):

[0061] First, 0.8 parts of sodium lauryl sulfate, 2.6 parts of sodium allyloxy hydroxypropyl sulfonate, and 76 parts of deionized water were heated to 45 ° C, stirred at 200 r / min until clear and transparent, and then adde...

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Abstract

The invention relates to a preparation method of an emulsion type polyacrylate pressure-sensitive adhesive for a reflecting film. Hard monomers (5-15 parts of vinyl acetate and 5-15 parts of methyl methacrylate) and soft monomers (30-50 parts of ethylhexyl acrylate and 10-30 parts of ethyl acrylate) are subjected to quaternary monomer copolymerization, and consequently, the bonding strength of the pressure-sensitive adhesive is improved obviously. In addition, 0.3-1 part of lauryl sodium sulfate and 1-3 parts of sodium allyloxyhydroxypropyl sulfonate are taken as emulsifying agents; a substance with a surfactant is polymerized to a macromolecular chain to take the place of a part of the micromolecular emulsifying agent lauryl sodium sulfate, and therefore, the aging resistance and the water resistance of the pressure-sensitive adhesive are improved. The emulsion type pressure-sensitive adhesive prepared by use of the preparation method is high in permanent adhesion, high in peel strength, and high in combination properties such as aging resistance, high temperature resistance, water resistance and acid rain resistance, and capable of meeting the requirement on long-term use of the reflecting film. In addition, the preparation method is simple in process, free from environment pollution, low in cost, and suitable for large-scale industrial production.

Description

technical field [0001] The invention relates to the field of light-emitting films, in particular to a method for preparing an emulsion-type polyacrylate pressure-sensitive adhesive that can be used for reflective films. Background technique [0002] Polyacrylate pressure-sensitive adhesive materials have a wide range of sources, good heat resistance and weather resistance, UV and chemical resistance, excellent hydrolysis resistance, strong polarity, and can bond various materials. It has a wide range of uses, moderate cost, and can be used outdoors. Traditional polyacrylate pressure-sensitive adhesives are solvent-based, but as people pay more and more attention to environmental protection, environmentally friendly products have attracted more and more attention. Emulsion-type adhesives are non-toxic, harmless, and environmentally friendly. Non-flammable and explosive, low production cost, easy to use and other advantages have become an important trend in the research and d...

Claims

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Application Information

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IPC IPC(8): C09J133/08C09J7/02C08F220/18C08F218/08C08F220/14C08F220/06C08F220/58C08F2/26
Inventor 金闯杨晓明
Owner SUZHOU SIDIKE NEW MATERIALS SCI & TECH
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