High-stripping-resistance acrylate pressure-sensitive adhesive and preparation method thereof

A technology of acrylate and isooctyl acrylate, which is applied in the directions of ester copolymer adhesives, adhesive types, etc., can solve the problems that the acrylate pressure-sensitive adhesive adjustment method is difficult to achieve the expected goal, etc., and achieves simple preparation method and process. easy effect

Inactive Publication Date: 2016-02-10
西安航天三沃化学有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Judging from the current research status of acrylate pressure-sensitive adhesives, it is difficult to achieve the expected goal by a single adjustment method in order to greatly improve solvent-based acryla

Method used

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  • High-stripping-resistance acrylate pressure-sensitive adhesive and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] In a 1000ml four-neck flask equipped with a stirring device, a reflux condenser and a dropping funnel, add the first raw material component, in terms of mass percentage, the acrylate monomer contained: isooctyl acrylate (2-EHA) 10.3 %, butyl acrylate (BA) 2.4%, vinyl acetate (VAC) 2.4%, acrylic acid (AA) 0.8%, hydroxyethyl acrylate (HEA) 0.16%, solvent: ethyl acetate (Ea) 15.9%, initiator : Azobisisobutyronitrile (AIBN) 0.03%. Raise the temperature of raw material component one to 78° C., and after the heat preservation reaction for 0.5 h to 1 h, slowly add the second raw material dropwise to the raw material of component one. In terms of mass percentage, the second raw material component contains acrylic acid monomers: 15.9% isooctyl acrylate (2-EHA), 4.0% butyl acrylate (BA), 3.2% vinyl acetate (VAC), acrylic acid (AA ) 0.8%, hydroxyethyl acrylate (HEA) 0.24%, solvent: ethyl acetate (Ea) 4.8%, initiator: azobisisobutyronitrile (AIBN) 0.03%, add dropwise for 2 hours, ...

Embodiment 2

[0024] According to the method of Example 1, an acrylate adhesive was prepared, and finally a tackifying resin was added. In terms of mass percentage, terpene resin was 6%, and rosin resin was 4%. After being dissolved and mixed evenly, the pressure-sensitive adhesive to be tested was obtained.

Embodiment 3

[0026] According to the method of Example 1, an acrylate adhesive was prepared, and finally a tackifying resin was added. In terms of mass percentage, 3% terpene resin and 7% rosin resin were dissolved and mixed uniformly to obtain the pressure-sensitive adhesive to be tested.

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Abstract

The invention discloses a high-stripping-resistance acrylate pressure-sensitive adhesive and a preparation method thereof. The high-stripping-resistance acrylate pressure-sensitive adhesive is prepared from, by weight, 20%-30% of 2-ethylhexyl acrylate, 5%-15% of butyl acrylate, 4%-15% of vinyl acetate, 0.5%-3% of functional monomers, 30%-50% of solvent, 0.05%-0.15% of initiator and 10%-20% of tackifying resin. According to the high-stripping-resistance acrylate pressure-sensitive adhesive and the preparation method thereof, a certain amount of the tackifying resin is added, the reasonable coating process and curing condition are made, and an acrylate pressure-sensitive adhesive product which has high stripping resistance and good persistent adhesivity is prepared. The high-stripping-resistance acrylate pressure-sensitive adhesive has the advantages of being high in stripping strength, good in high-temperature persistent adhesivity and high in stability.

Description

technical field [0001] The invention belongs to adhesives in the field of chemical industry, and in particular relates to a high peeling force acrylate pressure-sensitive adhesive and a preparation method thereof. Background technique [0002] Acrylic pressure-sensitive adhesives are copolymerized from acrylate monomers and other vinyl monomers. Compared with rubber-type pressure-sensitive adhesives, they have the following characteristics: simple formula, generally do not need to use softeners, anti-aging agents, etc. ; Wide bonding range, good bonding performance, good weather resistance, low or non-toxic. [0003] Solvent-based acrylate pressure-sensitive adhesives have many advantages such as low average molecular weight, good wettability, high initial adhesion, fast drying speed, and good water resistance. Although there are many problems in environmental protection, resources, energy and safety, they still occupy a considerable proportion. In solution-type pressure-s...

Claims

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Application Information

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IPC IPC(8): C09J133/08C08F220/18C08F218/08
Inventor 宁伟张汉炎薛晓春王莉娅
Owner 西安航天三沃化学有限公司
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