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Acroid resin coating agent and preparation thereof

A technology of acrylic resin and acrylic acid, which is applied in coatings, biocide-containing paints, anti-fouling/underwater coatings, etc. It can solve problems such as unstable product quality, high heat generation that is difficult to control, and difficult environmental protection. , to achieve the effects of short resin dissolution time, strong adhesion and excellent film-forming properties

Active Publication Date: 2010-12-15
ZHEJIANG SATELLITE PETRO CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the polymerization reaction of this process, the calorific value is relatively large and difficult to control, and accidents such as explosions may occur, so the capacity of a single kettle is small, and the production volume is small; secondly, the sticking of the kettle is serious, and it is difficult to clean; the product quality is not stable, and the molecular weight fluctuates greatly. , Dissolution sometimes takes a long time, and a small amount of toluene-insoluble particles will appear. The smell is very strong during dehydration and drying. The COD in the wastewater is high, and the environmental protection treatment is difficult.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] a) After rinsing the polymerization kettle with high-pressure water, the polymerization kettle is cleaned with pure water;

[0038] b) Add 130KG of pure water, 1.5KG of anionic emulsifier sodium lauryl sulfate and 1.5KG of nonionic emulsifier into the polymerization kettle, stir and mix;

[0039] c) 0.05KG of initiator ammonium persulfate and 50KG of pure water are added to the initiator dropping tank 1, and 0.04KG of initiator sodium bisulfite and 50KG of pure water are added to the initiator dropping tank 2;

[0040] d) Put 40KG of methyl acrylate, 110KG of butyl acrylate, 25KG of acrylonitrile, 5KG of acrylic acid, 100KG of pure water, 3KG of anionic emulsifier sodium lauryl sulfate, and 3KG of nonionic emulsifier into the emulsification kettle, 2000 rpm Minute stirring, emulsification for 30 minutes;

[0041] e) Heating the polymerization kettle, adding 15% of the emulsion obtained in step d) when the temperature of the kettle reaches 40° C., then adding 0.6 g of c...

Embodiment 2

[0047] a) After rinsing the polymerization kettle with high-pressure water, the polymerization kettle is cleaned with pure water;

[0048] b) Add 140KG of pure water, 2KG of anionic emulsifier sodium lauryl sulfate, and 2KG of nonionic emulsifier into the polymerization kettle, stir and mix;

[0049] c) 0.04KG of initiator ammonium persulfate and 50KG of pure water are added to the initiator dropping tank 1, and 0.05KG of initiator sodium bisulfite and 50KG of pure water are added to the initiator dropping tank 2;

[0050]d) Put 40KG of ethyl acrylate, 110KG of butyl acrylate, 25KG of acrylonitrile, 5KG of methacrylic acid, 100KG of pure water, 4KG of anionic emulsifier sodium lauryl sulfate, and 4KG of nonionic emulsifier into the emulsification kettle respectively, 10000 Stir at rpm and emulsify for 15 minutes;

[0051] e) Heating the polymerization kettle, when the temperature of the kettle reaches 50°C, add 15% of the emulsion obtained in step d), then add 0.5 g of cuprou...

Embodiment 3

[0057] a) After rinsing the polymerization kettle with high-pressure water, the polymerization kettle is cleaned with pure water;

[0058] b) Add 140KG of pure water, 1.7KG of sodium lauryl sulfate anionic emulsifier and 1.7KG of nonionic emulsifier to the polymerization kettle, stir and mix;

[0059] c) 0.03KG of initiator ammonium persulfate and 50KG of pure water are added to the initiator dropping tank 1, and 0.04KG of initiator sodium bisulfite and 50KG of pure water are added to the initiator dropping tank 2;

[0060] d) Mix ethyl acrylate 40KG, butyl acrylate 122KG, acrylonitrile 10KG, styrene 5KG, hydroxyethyl methacrylate 3KG, pure water 100KG, anionic emulsifier sodium lauryl sulfate 3.3KG, nonionic emulsifier 3.3 Put KG into the emulsification kettle respectively, stir at 8000 rpm, and emulsify for 20 minutes;

[0061] e) Heating the polymerization kettle, adding 15% of the emulsion obtained in step d) when the temperature of the kettle reaches 70°C, then adding 0....

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PUM

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Abstract

The present invention provides a new preparing method of an acrylic resin coating agent. The method changes traditional suspension method forming acrylic resin coating waterproofing agent to an emulsion salting-out method. The waterproofing agent is used for coating of various textiles, case and umbrella cloth. The emulsion salting-out method has better hand feel, water proof, down proof and pinhole proof than the suspension method. The method has high monomer conversion, less organic waste gas in the course of production, lower COD in the waste water, beneficial to environmental protection.

Description

technical field [0001] The invention belongs to the finishing technology of textiles, and more specifically relates to an acrylic resin coating waterproofing agent and its preparation method. Background technique [0002] At present, the waterproofing agent of acrylic resin coating adopts the suspension method process. [0003] Chinese patent 200610118202.1 discloses an acrylate coating waterproofing agent and a preparation method thereof. During the polymerization reaction of this process, the calorific value is relatively large and difficult to control, and accidents such as explosions may occur, so the capacity of a single kettle is small, and the production volume is small; secondly, the sticking of the kettle is serious, and it is difficult to clean; the product quality is not stable, and the molecular weight fluctuates greatly. , Sometimes the dissolution time is relatively long, and a small amount of toluene-insoluble particles will appear. The smell is very strong d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D133/08C09D5/16C08F2/24C08F220/00C08F4/30D06N3/08
Inventor 马国林
Owner ZHEJIANG SATELLITE PETRO CHEM CO LTD
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