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Preparation method and application of organic silicon modified acrylate bedplate glue

An acrylate and organosilicon technology, applied in the field of preparation of organosilicon-modified acrylate platen glue, can solve the problems of poor viscosity, pollution, poor stability of platen glue, etc. The effect of bonding density and ensuring thermal stability

Active Publication Date: 2021-04-16
LIAONING FIXED STAR FINE CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] For this reason, the present invention provides a method for preparing silicone-modified acrylate table glue and its application to solve the problems of poor stability, poor viscosity and pollution in the prior art table glue.

Method used

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  • Preparation method and application of organic silicon modified acrylate bedplate glue
  • Preparation method and application of organic silicon modified acrylate bedplate glue
  • Preparation method and application of organic silicon modified acrylate bedplate glue

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] The preparation method of the organosilicon-modified acrylate platen adhesive provided in this embodiment comprises the following steps:

[0045] Step 1, pre-emulsion A preparation

[0046] Add 100kg of deionized water, 4kg of anionic emulsifier, 140kg of butyl acrylate, 100kg of isooctyl acrylate, 20kg of methyl methacrylate, 10kg of styrene, 2kg of acrylic acid, and self-crosslinking of acetoacetylated acrylic acid to reactor A. Monomer 2kg, 900r / min high-speed dispersion for 30min to prepare 378kg pre-emulsion A;

[0047] Step 2, the preparation of silicone pre-emulsion B

[0048] Add 100kg of the pre-emulsion A prepared in step 1 to the reactor B, add 2kg of vinyltriisopropoxysilane, and disperse at a high speed of 900r / min for 30min to obtain 102kg of silicone pre-emulsion B;

[0049] Step 3, preparation of seed emulsion

[0050] Add 240kg of deionized water, 20kg of the pre-emulsion A obtained in step 1, 0.1kg of potassium persulfate, and 0.6kg of sodium bicarb...

Embodiment 2

[0056] The preparation method of the organosilicon-modified acrylate platen adhesive provided in this embodiment comprises the following steps:

[0057] Step 1, pre-emulsion A preparation

[0058] Add 110kg of deionized water, 3kg of anionic emulsifier, 130kg of butyl acrylate, 110kg of isooctyl acrylate, 25kg of methyl methacrylate, 15kg of styrene, 2.5kg of acrylic acid, self-crossed acetoacetylated acrylic acid into reactor A. Combined monomer 2.5kg, 850r / min high-speed dispersion for 30min to prepare pre-emulsion A 398kg;

[0059] Step 2, the preparation of silicone pre-emulsion B

[0060] Add 110kg of pre-emulsion A to reactor B, add 2.5kg of vinyltriisopropoxysilane, and disperse at a high speed of 850r / min for 30min to obtain 112.5kg of silicone pre-emulsion B;

[0061] Step 3, preparation of seed emulsion

[0062] Add 250kg of deionized water, 15kg of the pre-emulsion A obtained in step 1, 0.1kg of potassium persulfate, and 0.5kg of sodium bicarbonate into the react...

Embodiment 3

[0068] The preparation method of the organosilicon-modified acrylate platen adhesive provided in this embodiment comprises the following steps:

[0069] Step 1, pre-emulsion A preparation

[0070] Add 120kg of deionized water, 5kg of anionic emulsifier, 160kg of butyl acrylate, 100kg of isooctyl acrylate, 30kg of methyl methacrylate, 10kg of styrene, 3kg of acrylic acid, and self-crosslinking of acetoacetylated acrylic acid to reactor A. 3kg of monomer, 1000r / min high-speed dispersion for 25min to prepare 430kg of pre-emulsion A;

[0071] Step 2, the preparation of silicone pre-emulsion B

[0072] Add 120 kg of pre-emulsion A to reactor B, add 3 kg of vinyltriisopropoxysilane, and disperse at a high speed of 1000 r / min for 25 minutes to obtain 123 kg of silicone pre-emulsion B;

[0073] Step 3, preparation of seed emulsion

[0074] Add 240kg of deionized water, 15kg of the pre-emulsion A obtained in step 1, 0.07kg of potassium persulfate, and 0.5kg of sodium bicarbonate int...

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Abstract

The invention discloses a preparation method of organic silicon modified acrylate bedplate glue. The bedplate glue is prepared from the following components in parts by weight: 200-380 parts of ionized water, 4-5 parts of anionic emulsifier, 120-160 parts of butyl acrylate, 80-120 parts of isooctyl acrylate, 20-30 parts of methyl methacrylate, 10-20 parts of styrene, 2-5 parts of acrylic acid, 2-5 parts of acetylated modified acrylic acid self-crosslinking monomer, 2-4 parts of vinyltriisopropoxysilane, 0.05-0.1 part of potassium persulphate, 0.4-0.6 part of sodium bicarbonate 0.5-1 part of a cohesion accelerator SA500, 0.1-0.2 part of an anantiseptic agent, 0.1-0.2 part of a water-based defoaming agent and 0.5-1 part of an associative thickener; and the pH value is adjusted to 7-8 with ammonia water. The bedplate glue can be applied to high-temperature and high-humidity resistant environments such as a flat screen machine, an elliptical machine and an octopus machine in machine printing. The product provided by the invention has higher moisture resistance and thermal stability and higher yellow resistance and high temperature resistance, and an emulsion has higher strength and heat resistance and has high viscosity but no reverse adhesion.

Description

technical field [0001] The invention relates to the field of adhesives, in particular to a preparation method and application of silicone-modified acrylate platen glue. Background technique [0002] In textile printing, in order to ensure that the fabric is firmly attached to the printing platen, a layer of pressure-sensitive adhesive is applied on the platen. This pressure-sensitive adhesive can be repeatedly pasted and fixed on the platen Use, and do not stain textiles, this pressure-sensitive adhesive is also called platen glue. [0003] Synthetic polymer table glue has high adhesive strength and excellent reusability, especially the emulsion-type acrylic table glue is water-soluble, non-toxic, pollution-free, good adhesion, and repeatable. Good performance, so it is gradually accepted by the printing industry. [0004] In recent years, machine printing equipment has been widely used in the printing industry, flat screen machines, elliptical machines, and octopus machin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J133/08C08F220/18C08F220/14C08F220/06C08F212/08C08F220/28C08F230/08C08F2/26
Inventor 孟庆尧冷璐孙海娥郑世南盛艳霞曲文婕鞠镭赵向君李萃
Owner LIAONING FIXED STAR FINE CHEM
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