Acrylate thermal polymerization resin and preparation method thereof

A technology of acrylate and isooctyl acrylate, which is applied in the field of pressure-sensitive adhesives, can solve the problems of resin performance impact, hazardous waste, high energy consumption, etc., and achieve the effects of good adhesion, short reaction time and strong adhesion

Pending Publication Date: 2022-01-14
肇庆市宝骏化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The emulsifier used also affects the performance of the resin, the process is lengthy, the energy consumption is high, and there is a lot of hazardous waste
The solvent-fr

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0017] Example 1

[0018] 10% acrylic acid, 30% acrylate and 29.985% acrylic n-butyl ester monomer were put into reaction vessel, and after 2 hours of nitrogen gas, the thermal initiator was added to 100%, and then heated in a nitrogen gas to 100. When ° C is pre-initiated for 2 hours, and then the temperature is gradually warmed to 150 ° C for 2 hours to obtain an acrylic acid (ester) polymer, and finally add 30% alley octase monomer adjustment system having a viscosity of from 40,000 to 60000 cps / 60 ° C to obtain an acrylate heat Polymer resin.

Example Embodiment

[0019] Example 2

[0020] 15% acrylic, 35% acrylate and 21.98% methacrylate n-butyl methacrylate monomer were put into reaction vessel. After 2 hours of nitrogen gas, the thermal initiator was added 1.02%, and continued to heat it in a nitrogen gas to 100. When the ° C is pre-initiated for 3 hours, and then the temperature is gradually warmed to 150 ° C for 2 hours to obtain an acrylic acid (ester) polymer, and finally the octase monomer of the addition of 28% acrylate is adjusted between 400000000 CPS / 60 ° C to obtain an acrylate thermal polymerization. Resin.

Example Embodiment

[0021] Example 3

[0022] 5% acrylic acid, 30% acrylate, 15% acrylate, and 24.98% acrylic n-butyl ester monomer were put into reaction vessel, and after 2 hours of nitrogen gas, the thermal initiator was added to 0.02%, continued It was pre-initiated to 100 ° C for 3 hours in a nitrogen environment, and then gradually warmed to 150 ° C for 2 hours to obtain an acrylic acid (ester) polymer, and finally the 25% acrylate monomer monomer adjustment viscosity of 30000-60000 cps / 60 ° C. Ester thermal polymerization resin is obtained.

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PUM

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Abstract

The invention discloses an acrylate thermal polymerization resin and a preparation method thereof. The preparation method of acrylate thermal polymerization resin comprises the steps of putting an acrylate monomer into a reaction container, adding a thermal initiator in an inert gas atmosphere, heating to 110-150 DEG C, reacting for 4-5 hours to obtain an acrylate polymer, adding hydroxypropyl acrylate or 2-ethylhexyl acrylate to adjust the viscosity of the system, and obtaining the acrylate thermal polymerization resin. The acrylate thermal polymerization resin provided by the invention is strong in viscous force and good in adhesive force, is free of a solvent process, can solve the problem of a solvent for synthesizing an existing solvent type pressure-sensitive adhesive, and can fill the vacancy of a low-TG-point solvent-free type pressure-sensitive adhesive on the market.

Description

technical field [0001] The invention belongs to the technical field of pressure-sensitive adhesives, and in particular relates to an acrylate thermopolymerization resin and a preparation method thereof. Background technique [0002] Pressure-sensitive adhesive is a kind of adhesive, which is a kind of adhesive that is sensitive to pressure. It only needs to apply a certain pressure to tightly bond with the adherend. It is often processed into adhesive tapes, labels or various Sheet products to apply. Among them, solvent-based acrylic pressure-sensitive adhesives are widely used in pressure-sensitive labels, packaging tapes, double-sided adhesives, etc. because of their strong adhesion, fast drying speed, water resistance, cold resistance, high temperature resistance, and high humidity resistance. The solvents of the type acrylate are mainly ethyl acetate and toluene, these solvents are poisonous, flammable and pollute the environment. In addition, acrylate monomers are als...

Claims

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Application Information

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IPC IPC(8): C08F220/18C08F220/06C08F220/20C08F222/14C09J7/38C09J133/08
CPCC08F220/1808C09J133/064C09J133/066C09J7/385C09J2301/302C08F220/06C08F220/1804C08F220/20C08F220/1811C08F222/102
Inventor 谭海剑谭祺才谭道媚谭道礼
Owner 肇庆市宝骏化工有限公司
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