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Active coating imitating printing adhesive and preparation method thereof

A technology of pigment printing and imitation activity, which is applied in the fields of dyeing, textiles and papermaking, and can solve the problems of high energy consumption, easy yellowing, and different hand feeling

Active Publication Date: 2013-08-28
LIAONING FIXED STAR FINE CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the pigment printing process forms a thin film on the surface of the fiber, its hand feeling is not as natural and soft as dye printing, especially in large-area patterns.
[0004] Since 2000, my country's home textile industry has developed rapidly at an annual growth rate of more than 20%. In the home textile industry, the patterns on the bed sheets and quilts made of pure cotton and polyester cotton are usually printed with reactive dyes. The biggest disadvantage of this process is that it consumes a lot of energy. , great environmental pollution and high cost
This patent discloses the use of trimethyl isocyanate as a functional monomer, indicating that it is actually a polyurethane-modified acrylate emulsion. Due to the use of polyurethane, this adhesive has high cost and is prone to yellowing and other shortcomings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] (1) Add 1 g of dodecyl alcohol polyoxyethylene (40) ether, 0.5 g of sodium dodecyl sulfate, and 200 g of deionized water into the reactor, and the temperature is raised to 75~80 °C;

[0033] (2) All monomers required for the reaction, namely N-hydroxymethacrylamide 6.8 g, isooctyl acrylate 90 g, 2-propylheptyl acrylate (2-PHA) 30 g, hydroxy silicone oil WS-62M 5 gram, acrylic acid 3 grams, methacrylamide 1 grams, methyl acrylate 10 grams, acrylonitrile 10 grams and lauryl alcohol polyoxyethylene (40) ether 3 grams, sodium lauryl sulfate 1 grams, deionized 200 grams of water was added to the pre-emulsification kettle for emulsification to form a pre-emulsion;

[0034] (3) At 75~80°C, dissolve 1 g of potassium persulfate in 25 g of deionized water, add it to the reactor, add the pre-emulsion dropwise at the same time, control the speed of dripping, and finish the dripping in 2-3 hours. After the dropping is completed, the temperature is raised to 85-90°C, kept for half a...

Embodiment 2

[0036] (1) Add 1.2 g of dodecyl alcohol polyoxyethylene (40) ether, 0.6 g of sodium lauryl sulfate, and 215 g of deionized water into the reactor, and the temperature is raised to 75~80°C;

[0037] (2) All the monomers required for the reaction are 7 g of N-hydroxymethacrylamide, 95 g of isooctyl acrylate, 35 g of 2-propylheptyl acrylate (2-PHA), dimethyl silicone oil (viscosity = 160 mPa.s) 10 g, acrylic acid 4.2 g, methacrylamide 1.5 g, methyl acrylate 11.5 g, acrylonitrile 11.5 g and dodecyl alcohol polyoxyethylene (40) ether 3.8 g, dodecyl 1.5 grams of sodium sulfate and 215 grams of deionized water were added to the pre-emulsification kettle for emulsification to form a pre-emulsion;

[0038] (3) At 75~80℃, dissolve 1.2 grams of potassium persulfate in 25 grams of deionized water, add it to the reactor, add the pre-emulsion dropwise at the same time, control the rate of addition, and finish the dripping in 2-3 hours. After the dropping is completed, the temperature is ra...

Embodiment 3

[0040] (1) Add 1.5 g of dodecyl alcohol polyoxyethylene (40) ether, 0.7 g of sodium lauryl sulfate, and 225 g of deionized water into the reactor, and the temperature is raised to 75~80°C;

[0041] (2) All monomers required for the reaction, namely N-hydroxymethacrylamide 7.2 g, isooctyl acrylate 100 g, 2-propylheptyl acrylate (2-PHA) 40 g, amino silicone oil 8040 15 g, Acrylic acid 5.5g, methacrylamide 2g, methyl acrylate 12.5g, acrylonitrile 12.5g and dodecyl alcohol polyoxyethylene (40) ether 4.5g, sodium lauryl sulfate 1.8g, deionized water 225 gram into the pre-emulsification kettle for emulsification to form a pre-emulsion;

[0042](3) At 75~80℃, dissolve 1.4 grams of potassium persulfate in 25 grams of deionized water, add it to the reactor, add the pre-emulsion dropwise at the same time, control the rate of addition, and finish the dripping in 2-3 hours. After the dropping is completed, the temperature is raised to 85-90°C, kept for half an hour, then cooled to 20-60°...

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Abstract

The invention relates to an active coating imitating printing adhesive and a preparation method thereof. Dodecyl alcohol polyoxylethylene ether, sodium dodecyl sulfate, N-hydroxy methacrylamide, acrylic acid-2-propyl heptyl ester, 2-ethylhexyl acrylate, silicone oil, acyclic acid, methacrylamide, methyl acrylate, acrylonitrile, potassium persulfate and deionized water are manufactured into a waterborne emulsion by adopting an emulsion polymerization method. The hand feel of the printing of the product is comparable with the hand feel of the printing of a reactive dye. The active coating imitating printing adhesive has the advantages of bright color, high dry and wet rubbing fastness, high soaping fastness and the like.

Description

technical field [0001] The invention relates to a textile paint printing adhesive and a preparation method thereof, and relates to an acrylic paint printing adhesive imitating the effect of reactive dye printing and a preparation method thereof. Background technique [0002] Dye printing is a chemical reaction in which dyes and fibers are chemically bonded, and different fibers choose different dyes. For pure cotton and polyester-cotton fabrics, reactive dye printing is the most common and commonly used method. It has the advantages of soft hand feeling and good color fastness, and is especially suitable for the printing of soft close-fitting fabrics and large-area printing. However, reactive dye printing requires corresponding baking and post-washing treatment procedures, which consumes water, energy and causes huge environmental pollution. [0003] Pigment printing is a printing process that uses a binder to adhere pigments to the surface of fibers to obtain a desired pa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06P1/52C08F220/18C08F220/58C08F220/06C08F220/56C08F220/14C08F220/44C08F2/30
Inventor 王冠中孙继昌杨青李秀颖孙海娥
Owner LIAONING FIXED STAR FINE CHEM
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