阅读说明：本技术 一种棉活性印花织物仿蜡印手感整理剂及其制备方法 (Wax-print-imitating hand feeling finishing agent for cotton reactive printing fabric and preparation method thereof ) 是由 蔡润之 涂胜宏 于 2019-10-12 设计创作，主要内容包括：本发明涉及一种棉活性印花织物仿蜡印手感整理剂及其制备方法。所述棉活性印花织物仿蜡印手感整理剂的组分包括：改性聚醋酸乙烯酯乳液、非离子软片、蓬松硅油柔软剂、石蜡乳液以及阳离子聚丙烯酸酯乳液增深剂。本发明通过各组分的协同增效,最终使得织物经整理后,挺括有骨感、活络有弹性、厚实蓬松、布面细腻有润感、棉质感强、色泽鲜艳,具有独特的外观和手感风格。(The invention relates to a wax-print imitating hand feeling finishing agent for cotton reactive printing fabric and a preparation method thereof. The cotton reactive printing fabric wax printing imitating hand feeling finishing agent comprises the following components: modified polyvinyl acetate emulsion, nonionic film, fluffy silicone oil softening agent, paraffin emulsion and cationic polyacrylate emulsion deepening agent. Through the synergistic effect of the components, the fabric is stiff and smooth, has the advantages of flexible and elastic, thick and fluffy, fine and smooth cloth cover, strong cotton feeling, bright color and unique appearance and hand feeling style after being finished.)

1. The cotton reactive printing fabric wax print imitating hand feeling finishing agent is characterized by comprising the following components in percentage by mass:

50% -79% of modified polyvinyl acetate emulsion;

5% -10% of nonionic soft sheet;

10-20% of fluffy silicone oil softening agent;

1% -10% of paraffin emulsion; and

5-10% of cationic polyacrylate emulsion deepening agent.

2. The cotton reactive printing fabric wax printing imitating hand feeling finishing agent as claimed in claim 1, wherein the components of the modified polyvinyl acetate emulsion comprise, in mass fraction:

1% -2.5% of dispersion stabilizer;

1% -4% of emulsifier;

45% -48% of mixed monomer;

0.02% -0.08% of initiator; and

45% -53% of pure water.

3. The cotton reactive printed fabric waxed feel finish according to claim 2, wherein the dispersion stabilizer comprises polyvinyl alcohol.

4. The cotton reactive printing fabric wax-print imitating hand feeling finishing agent as claimed in claim 3, wherein the polyvinyl alcohol comprises one or more of polyvinyl alcohol 2088, polyvinyl alcohol 2488, polyvinyl alcohol 2688 and polyvinyl alcohol 3588.

5. The cotton reactive printed fabric waxed feel finish according to claim 2, wherein the emulsifier comprises a non-ionic emulsifier.

6. The cotton reactive printing fabric wax printing imitating hand feeling finishing agent as claimed in claim 5, wherein the non-ionic emulsifier comprises one or more of fatty alcohol-polyoxyethylene ether peregal 0-10, fatty alcohol-polyoxyethylene ether peregal 0-15, fatty alcohol-polyoxyethylene ether peregal 0-25, and fatty alcohol-polyoxyethylene ether peregal 0-40.

7. The cotton reactive printing fabric wax-print imitating hand feeling finishing agent as claimed in claim 2, wherein the components of the mixed monomer comprise, by mass:

56% -75% of vinyl acetate;

4-10% of methyl acrylate;

octadecyl acrylate, 20-30%; and

1 to 4 percent of hydroxyethyl acrylate.

8. The cotton reactive printed fabric waxed feel finish according to claim 2, wherein the initiator comprises one or more of ammonium persulfate, potassium persulfate, sodium persulfate, hydrogen peroxide.

9. A preparation method for preparing the cotton reactive printing fabric wax printing imitating hand feeling finishing agent as claimed in any one of claims 1 to 8, which is characterized by comprising the following steps in percentage by mass:

preparing modified polyvinyl acetate emulsion;

adding 5-10% of nonionic soft sheet, 10-20% of fluffy silicone oil softener, 1-10% of paraffin emulsion and 5-10% of cationic polyacrylate emulsion deepening agent into 50-79% of modified polyvinyl acetate emulsion, and uniformly stirring to obtain the cotton active printed fabric wax-print imitating hand feeling finishing agent.

10. The method according to claim 9, wherein the step of preparing the modified polyvinyl acetate emulsion comprises the following steps in percentage by mass:

adding 1% -2.5% of polyvinyl alcohol into 45% -53% of pure water, heating to 90-96 ℃, and stirring for 30-60 minutes to dissolve the polyvinyl alcohol into the pure water to obtain a first mixed solution;

cooling to 80-86 ℃, and adding 1-4% of nonionic emulsifier into the first mixed solution to obtain a second mixed solution;

starting condensation reflux, keeping the temperature within 80-86 ℃, respectively dropwise adding 45-48% of mixed monomer and 0.02-0.08% of initiator into the second mixed solution, controlling the reaction temperature at 75-85 ℃, completing dropwise addition within 2-5 hours, then heating to 85-91 ℃, preserving heat for 30-90 minutes, and cooling to room temperature to form the modified polyvinyl acetate emulsion.

Technical Field

The invention relates to the field of hand feeling finishing agents for cotton reactive printed fabrics, in particular to a wax printing imitating hand feeling finishing agent for cotton reactive printed fabrics and a preparation method thereof.

Background

The cotton wax printing cloth is a fabric which is printed on a fabric by using wax and rosin as dye-proofing agents, and then the blank part is printed with colors to form patterns. The real wax printed cloth has unique indigo background color, natural and active wax veins, rich stereoscopic impression, rich and bright color and completely consistent printing effect of the front and the back, and is popular with the people in Africa for a long time. However, the real wax printed cloth has the advantages of multiple production processes, long flow, long production period, complex process technology and higher production cost. In addition, the wax removed after printing needs to be recovered, the recovery process is complex, the pollution is large, the working environment is poor, and the wax has certain harm to human bodies.

The wax printing imitating pattern is one direct printing process to obtain wax printing style, and the production process includes no complicated steps of wax printing, wax throwing, coloring, dewaxing, tracking, etc. and is usually circular or flat screen printing with active dye. Compared with real wax printing, the wax printing imitation has the advantages of less production procedures, short flow, simple process technology, low production cost and the like.

Because the consumer groups of the real wax printing are few and mainly concentrated in relatively fixed African countries, the specification and the hand feeling of the real wax printing are relatively limited, and the hand feeling style changes little. The wax print imitating fabric has more specifications, and the fabric of each specification has the characteristics of difference due to different yarn counts, so that the wax print imitating fabric has rich hand feeling style, changes rapidly along with market requirements, and has wider market demands and potentials.

In order to meet the rapidly changing wax printing imitating hand feeling style in the market and improve the innovation capability of wax printing processing enterprises, a cotton reactive printed fabric wax printing imitating hand feeling finishing agent is required to be sought, so that after the fabric is finished, the fabric is stiff and smooth in bone feeling, flexible, elastic, thick and fluffy, fine and smooth in cloth cover, strong in cotton feeling, bright in color and unique in appearance and hand feeling style.

Disclosure of Invention

The invention aims to provide a wax-print imitating hand feeling finishing agent for cotton reactive printing fabric and a preparation method thereof, which can enable the fabric to be stiff and smooth, have bone feeling, flexible and elastic properties, be thick and fluffy, have fine and smooth cloth cover and moist feeling, have strong cotton feeling and bright color and have unique appearance and hand feeling style after finishing.

In order to solve the problems, one embodiment of the invention provides a cotton reactive printing fabric wax-print imitating hand feeling finishing agent, which comprises the following components in percentage by mass: 50% -79% of modified polyvinyl acetate emulsion; 5% -10% of nonionic soft sheet; 10-20% of fluffy silicone oil softening agent; 1% -10% of paraffin emulsion; and 5% -10% of cationic polyacrylate emulsion deepening agent.

Further, the components of the modified polyvinyl acetate emulsion comprise, by mass: 1% -2.5% of dispersion stabilizer; 1% -4% of emulsifier; 45% -48% of mixed monomer; 0.02% -0.08% of initiator; 45% -53% of pure water.

Further wherein the dispersion stabilizer comprises polyvinyl alcohol.

Further wherein the polyvinyl alcohol comprises one or more of polyvinyl alcohol 2088, polyvinyl alcohol 2488, polyvinyl alcohol 2688, and polyvinyl alcohol 3588.

Further wherein the emulsifier comprises a nonionic emulsifier.

Further, the nonionic emulsifier comprises one or more of fatty alcohol-polyoxyethylene ether peregal 0-10, fatty alcohol-polyoxyethylene ether peregal 0-15, fatty alcohol-polyoxyethylene ether peregal 0-25 and fatty alcohol-polyoxyethylene ether peregal 0-40.

Further, the components of the mixed monomer comprise, by mass: 56% -75% of vinyl acetate; 4-10% of methyl acrylate; octadecyl acrylate, 20-30%; and 1% -4% of hydroxyethyl acrylate.

Further wherein the initiator comprises one or more of ammonium persulfate, potassium persulfate, sodium persulfate, and hydrogen peroxide.

The invention also provides a preparation method for preparing the cotton reactive printing textile wax printing imitating hand feeling finishing agent. The preparation method comprises the following steps: preparing modified polyvinyl acetate emulsion; adding 5-10% of nonionic soft sheet, 10-20% of fluffy silicone oil softener, 1-10% of paraffin emulsion and 5-10% of cationic polyacrylate emulsion deepening agent into 50-79% of modified polyvinyl acetate emulsion, and uniformly stirring to obtain the cotton active printed fabric wax-print imitating hand feeling finishing agent.

Further, in the step of preparing the modified polyvinyl acetate emulsion, the modified polyvinyl acetate emulsion comprises the following components in percentage by mass: adding 1% -2.5% of polyvinyl alcohol into 45% -53% of pure water, heating to 90-96 ℃, and stirring for 30-60 minutes to dissolve the polyvinyl alcohol into the pure water to obtain a first mixed solution; cooling to 80-86 ℃, and adding 1-4% of nonionic emulsifier into the first mixed solution to obtain a second mixed solution; starting condensation reflux, keeping the temperature within 80-86 ℃, respectively dropwise adding 45-48% of mixed monomer and 0.02-0.08% of initiator into the second mixed solution, controlling the reaction temperature at 75-85 ℃, completing dropwise addition within 2-5 hours, then heating to 85-91 ℃, preserving heat for 30-90 minutes, and cooling to room temperature to form the modified polyvinyl acetate emulsion.

The invention has the advantages that: the invention relates to a wax-print imitating hand feeling finishing agent for cotton reactive printing fabric and a preparation method thereof. The cotton reactive printing fabric wax printing imitating hand feeling finishing agent comprises the following components: modified polyvinyl acetate emulsion, nonionic film, fluffy silicone oil softening agent, paraffin emulsion and cationic polyacrylate emulsion deepening agent. The glass transition Temperature (TG) of the modified polyvinyl acetate emulsion is lower than that of pure polyvinyl acetate emulsion, the molecular weight is small, the modified polyvinyl acetate emulsion is easy to permeate into fibers, a softer film is formed on the surface of the fabric and inside the fibers, and a thick, stiff and elastic hand feeling style with bone feeling and no die feeling is provided for the cotton wax-like printed cloth; the nonionic soft sheet provides a soft and fluffy hand feeling style for the cotton wax-like printing cloth; the fluffy silicone oil softener provides a soft, fluffy and exquisite hand feeling style for the cotton wax-like printing cloth; the paraffin emulsion increases the friction coefficient of the surface of the cotton wax-like printed cloth fabric, and increases the cotton texture; the cationic polyacrylate emulsion deepening agent has a deepening effect on fabrics, so that the fabrics are brighter and more intense in color and luster. Through the synergistic effect of the components, the fabric is stiff and smooth, has the advantages of flexible and elastic, thick and fluffy, fine and smooth cloth cover, strong cotton feeling, bright color and unique appearance and hand feeling style after being finished.

Detailed Description

The technical contents of the present invention are fully described below to those skilled in the art to demonstrate, by way of example, that the present invention may be implemented so as to make the technical contents disclosed herein clearer and to make it easier for those skilled in the art to understand how to implement the present invention. The present invention may, however, be embodied in many different forms of embodiment, and the scope of the present invention should not be construed as limited to the embodiment set forth herein, but rather construed as being limited only by the following description of the embodiment.

The invention provides a wax-print imitating hand feeling finishing agent for cotton reactive printing fabric, which comprises the following components in percentage by mass: 50% -79% of modified polyvinyl acetate emulsion; 5% -10% of nonionic soft sheet; 10-20% of fluffy silicone oil softening agent; 1% -10% of paraffin emulsion; and 5% -10% of cationic polyacrylate emulsion deepening agent.

Wherein the modified polyvinyl acetate emulsion comprises the following components in percentage by mass: 1% -2.5% of dispersion stabilizer; 1% -4% of emulsifier; 45% -48% of mixed monomer; 0.02% -0.08% of initiator; 45% -53% of pure water.

Wherein the dispersion stabilizer comprises polyvinyl alcohol, the polyvinyl alcohol comprising one or more of polyvinyl alcohol 2088, polyvinyl alcohol 2488, polyvinyl alcohol 2688, and polyvinyl alcohol 3588.

The emulsifier comprises a nonionic emulsifier, and the nonionic emulsifier comprises one or more of fatty alcohol-polyoxyethylene ether peregal 0-10, fatty alcohol-polyoxyethylene ether peregal 0-15, fatty alcohol-polyoxyethylene ether peregal 0-25 and fatty alcohol-polyoxyethylene ether peregal 0-40.

Wherein the mixed monomer comprises the following components in percentage by mass: 56% -75% of vinyl acetate; 4-10% of methyl acrylate; octadecyl acrylate, 20-30%; and 1% -4% of hydroxyethyl acrylate.

Wherein the initiator comprises one or more of ammonium persulfate, potassium persulfate, sodium persulfate and hydrogen peroxide.

The modified polyvinyl acetate emulsion prepared from the dispersion stabilizer, the emulsifier, the mixed monomer, the initiator and pure water has lower glass transition Temperature (TG) than pure polyvinyl acetate emulsion, has small molecular weight, is easy to permeate into fibers, forms a softer film on the surface of the fabric and inside the fibers, and provides a thick, stiff and elastic hand feeling style with bone feeling and no stillness for the cotton wax-like printing cloth.

The non-ionic soft sheet provides a soft and fluffy hand feeling style for the cotton wax-like printing cloth; the fluffy silicone oil softener provides a soft, fluffy and exquisite hand feeling style for the cotton wax-like printing cloth; the paraffin emulsion increases the friction coefficient of the surface of the cotton wax-like printed cloth fabric, and increases the cotton texture; the cationic polyacrylate emulsion deepening agent has a deepening effect on fabrics, so that the fabrics are brighter and more intense in color and luster.

According to the invention, through the synergistic interaction of the components of the modified polyvinyl acetate emulsion, the nonionic soft sheet, the fluffy silicone oil softener, the paraffin emulsion and the cationic polyacrylate emulsion deepening agent, the fabric is stiff and smooth in texture, loose and elastic in collaterals, thick and fluffy, fine and smooth in cloth cover, strong in cotton texture, bright in color and unique in appearance and hand feeling style after being finished.

The invention also provides a preparation method for preparing the cotton reactive printing textile wax printing imitating hand feeling finishing agent. The preparation method comprises the following steps: adding 1% -2.5% of polyvinyl alcohol into 45% -53% of pure water, heating to 90-96 ℃, and stirring for 30-60 minutes to dissolve the polyvinyl alcohol into the pure water to obtain a first mixed solution; cooling to 80-86 ℃, and adding 1-4% of nonionic emulsifier into the first mixed solution to obtain a second mixed solution; starting condensation reflux, keeping the temperature within 80-86 ℃, respectively dropwise adding 45-48% of mixed monomer and 0.02-0.08% of initiator into the second mixed solution, controlling the reaction temperature at 75-85 ℃, completing dropwise addition within 2-5 hours, then heating to 85-91 ℃, preserving heat for 30-90 minutes, and cooling to room temperature to form the modified polyvinyl acetate emulsion.

Then adding 5-10% of nonionic soft sheet, 10-20% of fluffy silicone oil softener, 1-10% of paraffin emulsion and 5-10% of cationic polyacrylate emulsion deepening agent into 50-79% of modified polyvinyl acetate emulsion, and uniformly stirring to obtain the cotton active printed fabric wax-print imitating hand feeling finishing agent.

The wax-print-like hand feeling finishing agent for the cotton reactive printing fabric prepared by the method can enable the fabric to be stiff and smooth, have bone feeling, flexible and elastic, thick and fluffy, fine and smooth cloth cover and moist feeling, have strong cotton feeling and bright color and have unique appearance and hand feeling style after finishing.