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Preparation method of ylate emulsion plant glue used for reflective membrane

A technology of polyacrylate emulsion and plant glue, applied in the direction of reflective reflector, etc., can solve the problems of explosive danger, unenvironmental protection and high cost, and achieve the effects of simple process, low VOC content and convenient operation.

Active Publication Date: 2015-04-29
CHANGZHOU HUAWEI ADVANCED MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be said that in the process of manufacturing economic grade and engineering grade reflective film, plants are an indispensable link. The solvent-based polyacrylate bead glue currently used has problems such as flammability, explosive danger, high cost, and non-environmental protection. , and the emulsion type polyacrylate bead glue can effectively solve these problems

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] (1) To prepare a pre-emulsion, weigh monomers and mix them with deionized water. The mass of each monomer is: 35kg methyl acrylate, 55kg butyl acrylate, 10kg acrylic acid, 10kg deionized water, add emulsifier, emulsifier olefin Propoxy nonylphenol polyoxyethylene (10) ether quality is 2kg, high-speed stirring emulsification;

[0021] (2), prepare initiator aqueous solution, take by weighing deionized water 10kg and initiator benzoyl peroxide 0.3kg, stir until fully dissolving;

[0022] (3) Take 37.3kg of the above-mentioned pre-emulsion solution and 3.43kg of the aqueous initiator solution and add them to the reactor, stir, heat up to 60°C, and keep the temperature for 1h at this temperature;

[0023] (4), then add the remaining pre-emulsion and initiator aqueous solution dropwise within 2 hours, keep warm for 2 hours after the dropwise addition, cool, filter and discharge, and record the product number P-1.

Embodiment 2

[0025] (1) To prepare a pre-emulsion, weigh monomers and mix them with deionized water. The mass of each monomer is: 28kg methyl acrylate, 60kg butyl acrylate, 12kg acrylic acid, 10kg deionized water, add emulsifier, emulsifier olefin Propoxy nonylphenol polyoxyethylene (10) ether quality is 3kg, high-speed stirring emulsification;

[0026] (2), prepare initiator aqueous solution, take deionized water 10kg and initiator benzoyl peroxide 0.8kg, stir until fully dissolving;

[0027] (3) Take 37.7kg of the above-mentioned pre-emulsion solution and 3.6kg of the initiator aqueous solution and add them to the reactor, stir and heat up to 80°C, and keep the temperature for 1h at this temperature;

[0028] (4), then add the remaining pre-emulsion and initiator aqueous solution dropwise within 2.5 hours, keep warm for 2 hours after the dropwise addition, cool, filter and discharge, and record the product number P-2.

Embodiment 3

[0030] (1) To prepare a pre-emulsion, weigh monomers and mix them with deionized water. The mass of each monomer is: 40kg methyl acrylate, 45kg butyl acrylate, 15kg acrylic acid, 10kg deionized water, add emulsifier, emulsifier olefin Propoxy nonylphenol polyoxyethylene (10) ether quality is 5kg, high-speed stirring emulsification;

[0031] (2), prepare initiator aqueous solution, take deionized water 10kg and initiator benzoyl peroxide 1kg, stir until fully dissolving;

[0032] (3) Take 38.3kg of the above-mentioned pre-emulsion solution and 3.67kg of the aqueous initiator solution and add them to the reactor, stir, heat up to 90°C, and keep the temperature for 1h at this temperature;

[0033] (4), then add the remaining pre-emulsion and initiator aqueous solution dropwise within 3 hours, keep warm for 2 hours after the dropwise addition, cool, filter and discharge, and record the product number P-3.

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PUM

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Abstract

The invention relates to a preparation method of an ylate emulsion plant glue used for a reflective membrane, which comprises the steps of pre-emulsion preparation, initiator aqueous solution preparation, reaction and the like. According to the invention, the ylate emulsion plant glue replaces a solvent type plant glue for reducing 40% of production cost; the aqueous plant glue and the base material enable excellent bonding performance, after the bonding, the membrane surface is flat and smooth, no leakage is generated, no capillary is generated; the technology is simple, the operation is convenient, the plant glue is easy to clean; the performance of the ylate emulsion plant glue is better than the performance of solvent type plant glue, and the plant glue of the invention has the advantages of small scent, low VOC content, health, safety, environmental protection, saved energy consumption and the like.

Description

technical field [0001] The invention relates to a preparation method of polyacrylate emulsion, in particular to a preparation method of polyacrylate emulsion plant glue for reflective film. Background technique [0002] Reflective film is a PVC film with a special structure that uses optical principles to retroreflect light back to the light source. It consists of a film layer with good weather resistance, a tiny glass bead layer, a focusing layer, a reflective layer, an adhesive layer and a peeling layer. Reflective film is mainly used for guide signs and signs of various roads and railways, safety signs of mines and airports, stage scenery, trademarks, place names, license plates, etc. [0003] The existing bead-planting adhesives for reflective films are all solvent-based polyacrylic resins, which are coated with PET or PVC as the base material by a high-precision coating machine, and the acrylic resin is baked and cured to ensure that the glass beads It can be firmly e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F220/18C08F220/14C08F220/06C08F2/24C04B26/06G02B5/12
Inventor 颜奇旭朱小庆唐良华
Owner CHANGZHOU HUAWEI ADVANCED MATERIAL
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