Water-resistant high-gloss water-based styrene-acrylic emulsion and preparation method thereof

A water-based styrene-acrylic emulsion, high-gloss technology, applied in the direction of coating, etc., can solve the problems of water resistance and glossiness without obvious improvement, and achieve the effects of good emulsion stability, enhanced adhesion strength, improved water resistance and high gloss

Inactive Publication Date: 2013-03-13
HAINAN BNK WATER BASED NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Chinese patent CN101704913A discloses a preparation method of styrene-acrylic emulsion for paper primer. The strength of the paper after primer is

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Take 0.03kg of sodium dodecylbenzenesulfonate, 0.045kg of OP-100, and 0.075kg of 2-acrylamido-2-methylpropanesulfonic acid, place them in a beaker, and stir with a glass rod for 0.5 hours until they are evenly mixed to obtain 0.15kg Compound emulsifier.

[0025] Mix 5.4kg of styrene, 7.5kg of ethyl acrylate, 0.15kg of vinyl acetate, 0.3kg of methacrylic acid, 0.3kg of hydroxypropyl acrylate and 0.105kg of compound emulsifier (accounting for 70% of the total amount of compound emulsifier), and start Mixer, stirring for 0.5 hour, the stirring speed is 200 rpm, and 13.76kg of pre-emulsion A is obtained;

[0026] Get 0.69kg pre-emulsion A (accounting for 5% of pre-emulsion A total amount), remaining composite emulsifier, 0.0036kg ammonium persulfate (accounting for 6% of initiator total amount), 0.06kg sodium bicarbonate, 0.9kg Polyvinyl alcohol was added to 13.5kg deionized water (accounting for 90% of the total amount of deionized water), to prepare solution B;

[0027]...

Embodiment 2

[0030] Take 0.14 kg of sodium lauryl sulfate, 0.21 kg of TX-100, and 0.35 kg of 2-acrylamido-2-methylpropanesulfonic acid and place them in a beaker, turn on the stirrer, and stir at a stirring speed of 120 rpm, and stir for 0.6 hours to Mix evenly to obtain 0.7kg compound emulsifier.

[0031] Mix 10kg styrene, 10.5kg butyl acrylate, 0.4kg vinyl acetate, 0.4kg methacrylic acid, 1.75kg hydroxyethyl acrylate and 0.525kg compound emulsifier (accounting for 75% of the total amount of compound emulsifier) ​​and start the mixer , stirred for 0.6 hours, and the stirring speed was 220 rpm, and 23.58kg of pre-emulsion A was obtained;

[0032] Get 1.415kg pre-emulsion A (accounting for 6% of pre-emulsion A total amount), remaining composite emulsifier, 0.016kg potassium persulfate (accounting for 8% of initiator total amount), 0.2kg sodium bicarbonate, 3kg poly Vinyl alcohol was added to 17.04kg deionized water (accounting for 75% of the total amount of deionized water) to prepare solu...

Embodiment 3

[0036] Take 0.1kg of sodium dodecylbenzenesulfonate, 0.15kg of TX-100, and 0.25kg of sodium allyl polyether sulfate and place them in a container, turn on the mixer, set the stirring speed at 120 rpm, and stir for 0.6 hours until uniformly mixed to obtain 0.5kg compound emulsifier.

[0037] Mix 25kg of styrene, 16kg of isooctyl acrylate, 0.5kg of vinyl acetate, 0.6kg of methacrylic acid, 6kg of N-methylolacrylamide and 0.4kg of compound emulsifier (accounting for 80% of the total amount of compound emulsifier), and start Stirring machine, stirred for 0.8 hours, and the stirring speed was 240 revs / min, obtained 48.5kg pre-emulsion A;

[0038] Get 3.4kg pre-emulsion A (accounting for 7% of pre-emulsion A total amount), remaining composite emulsifier, 0.04kg potassium persulfate (accounting for 5% of initiator total amount), 0.2kg sodium bicarbonate, 4.8kg Polyvinyl alcohol was added to 38.8kg deionized water (accounting for 86% of the total amount of deionized water), to prepar...

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PUM

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Abstract

The invention relates to a water-resistant high-gloss water-based styrene-acrylic emulsion and a preparation method thereof. The emulsion is prepared from the following raw materials in percentage by weight: 18-28% of styrene, 15-25% of acrylate monomer, 0.5-2% of vinyl acetate, 0.5-1% of methacrylic acid, 1-6% of crosslinking monomer, 0.5-1.5% of composite emulsifier, 0.2-1% of initiator, 2-6% of protecting adhesive, 0.1-0.5% of buffering agent, 0.2-0.4% of ammonia water, 0.05-0.2% of defoaming agent and 45-50% of deionized water. A coating film prepared from the emulsion through a coating process has remarkably high gloss and water resistance.

Description

technical field [0001] The invention relates to a water-resistant high-gloss water-based styrene-acrylic emulsion and a preparation method thereof, which belongs to the field of polymer materials and is mainly used in water-based varnishes. Background technique [0002] Varnishes are widely used as a decorative and protective coating on printed paper products. As people's awareness of environmental protection gradually increases, water-based varnishes are more and more popular due to their environmental protection, low price and diversified performance. The market welcomes. However, water-based varnishes are widely used abroad, and domestic water-based varnish manufacturers are gradually increasing, but the quality is very unstable, which directly leads to the phenomenon of uneven quality in the water-based varnish raw material market. As a high-end water-based varnish Most of the raw materials of styrene-acrylic emulsion, one of the main components of varnish, come from ab...

Claims

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Application Information

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IPC IPC(8): C08F212/08C08F218/08C08F220/06C08F220/18C08F220/28C08F2/26C08F2/30C09D133/08C09D125/14
Inventor 黄宏存邢青涛
Owner HAINAN BNK WATER BASED NEW MATERIAL CO LTD
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