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Acrylate adhesive, adhesive tape and preparation method thereof

A technology of acrylates and acrylates, which is applied in the direction of adhesives, ester copolymer adhesives, adhesive types, etc., and can solve problems such as easy peeling, low biochar content, and poor cohesion of tapes

Pending Publication Date: 2022-07-15
CROWN TAICANG ADHESIVE PROD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the application provides an acrylic adhesive, adhesive tape and preparation method thereof, which solves or improves the low bio-carbon content of the acrylic adhesive in the prior art, and the adhesive tape made during use Poor cohesion, prone to technical problems of peeling

Method used

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  • Acrylate adhesive, adhesive tape and preparation method thereof
  • Acrylate adhesive, adhesive tape and preparation method thereof
  • Acrylate adhesive, adhesive tape and preparation method thereof

Examples

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preparation example Construction

[0040] As the second aspect of this application, figure 1 The process flow diagram of the preparation method of a kind of acrylate adhesive provided for the application, as figure 1 As shown, the preparation method of the acrylate adhesive includes:

[0041] Step S11, weighing 100 parts of acrylate monomers, 0.1-0.6 parts of initiators and 150-250 parts of solvents by weight;

[0042] Acrylate monomer, initiator and solvent are weighed in parts by weight so that they meet the proportioning requirements for preparing the adhesive.

[0043] Step S12, mixing the acrylate monomer and solvent, adding it to the reaction kettle for heating, feeding nitrogen, and stirring;

[0044] Add acrylate soft monomer, acrylate hard monomer and acrylic functional monomer into the reaction kettle for heating, introduce nitrogen and stir to make acrylate soft monomer, acrylate hard monomer and acrylic functional monomer mix evenly . Among them, acrylate soft monomers are selected from butyl ac...

Embodiment 1

[0077] The preparation method of a kind of acrylate adhesive tape provided by this embodiment comprises the following steps:

[0078] (1) Preparation of acrylate adhesive:

[0079] Step S101, weighing 100 parts of acrylate monomers by weight, wherein, 60 parts of tridecyl acrylate, 45 parts of isobornyl acrylate, 5 parts of methyl acrylate, 4 parts of acrylic acid, and 1 part of hydroxyethyl acrylate; 0.1 part of azobisisobutyronitrile, 150 parts of toluene;

[0080] Step S102, put tridecyl acrylate, isobornyl acrylate, methyl acrylate, acrylic acid, hydroxyethyl acrylate, and 130 parts of toluene mixed into a 1000 ml reaction kettle, and smoothly introduce nitrogen for 1 hour (flow rate: 100 ml / min) , at the same time heated to 65 ℃ and evenly stirred for 60min, rotating speed 140R / min;

[0081] Step S103, add 0.05 part of azobisisobutyronitrile to react for 180 minutes, then heat up to 70°C, add 0.03 part of azobisisobutyronitrile to react for another 120 minutes, continue...

Embodiment 2

[0089] The preparation method of a kind of acrylate adhesive tape provided by this embodiment comprises the following steps:

[0090] (1) Preparation of acrylate adhesive:

[0091] Step S201, weighing 100 parts of acrylate monomers by weight, wherein, 40 parts of isooctyl methacrylate dodecyl acrylate, 50 parts of tridecyl acrylate, 3 parts of isobornyl acrylate, and 3 parts of isobornyl methacrylate. 2 parts of borneol, 7 parts of acrylic acid, 8 parts of hydroxyethyl acrylate; 0.3 parts of dimethyl azobisisobutyrate, 0.3 parts of tert-amyl peroxypivalate, 250 parts of ethyl acetate solvent;

[0092] Step S202, mix isooctyl methacrylate dodecyl acrylate, tridecyl acrylate, isobornyl acrylate, isobornyl methacrylate, acrylic acid, and hydroxyethyl acrylate, mix 130 parts of ethyl acetate solvent, and put into 1000 ml In the reaction kettle, nitrogen gas was introduced steadily for 1 hour (flow rate: 100ml / min), and at the same time, it was heated to 65°C and evenly stirred fo...

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Abstract

The invention relates to the technical field of adhesive tapes, in particular to an acrylate adhesive, an adhesive tape and a preparation method of the adhesive tape. The technical problems that in the prior art, the biochar content of an acrylate adhesive is low, and an adhesive tape made of the acrylate adhesive is poor in cohesion and prone to stripping in the using process are solved or improved. The acrylate adhesive comprises the following components: 100 parts of an acrylate monomer; 0.1 to 0.6 part of an initiator; and 150 to 250 parts of a solvent. The acrylate monomer is a monomer mixture of acrylate, and the acrylate monomer can be tightly condensed with the solvent under the action of the initiator, so that the cohesive force of the acrylate adhesive is strong, and a stripping phenomenon is not easy to occur; wherein the acrylate monomer is a monomer mixture of acrylate, so that the biochar content of the selected acrylate monomer is high, namely, the biochar content of the acrylate adhesive is increased, a large amount of carbon dioxide is prevented from being discharged when the acrylate adhesive is prepared, and the environment-friendly requirement is further met.

Description

technical field [0001] The application relates to the technical field of adhesive tapes, in particular to an acrylate adhesive, an adhesive tape and a preparation method thereof. Background technique [0002] Acrylic pressure-sensitive adhesive, also known as acrylic pressure-sensitive adhesive, is mainly a copolymer obtained by copolymerizing acrylate monomers. The chemical structure of acrylate adhesive is stable, and it has excellent anti-aging and anti-corrosion properties. Due to the absence of unsaturated bonds in its structure, it has excellent anti-oxidation properties and optical properties. Acrylate pressure-sensitive adhesive is the most commonly used type of pressure-sensitive adhesive. It has excellent adhesive properties and is suitable for the bonding of various materials. It is widely used in electronics, automobiles, aviation, medical and other fields. [0003] The monomers used in the acrylate pressure-sensitive adhesive in the prior art mainly come from p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J133/08C09J7/25C09J7/38C08F220/18C08F220/14C08F220/06C08F220/20C08F220/28C08F222/02
CPCC09J133/066C09J7/255C09J7/385C09J133/064C08F220/1818C08F220/1811C08F220/1804C08F220/1808C09J2301/122C09J2467/006C09J2433/00C09J2301/302C08F220/14C08F220/06C08F220/20C08F220/1812C08F220/283C08F222/02
Inventor 贺海涛麦启波
Owner CROWN TAICANG ADHESIVE PROD CO LTD
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