CN115058907B - Bio-based printing water slurry and preparation method and application thereof - Google Patents

Bio-based printing water slurry and preparation method and application thereof Download PDF

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CN115058907B
CN115058907B CN202210907666.XA CN202210907666A CN115058907B CN 115058907 B CN115058907 B CN 115058907B CN 202210907666 A CN202210907666 A CN 202210907666A CN 115058907 B CN115058907 B CN 115058907B
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bio
biobased
component
weight
parts
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CN115058907A (en
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徐四喜
陈任
韩珺
黄德伟
朱填坪
宁汉瑞
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Dongguan Ctl New Material Technology Co ltd
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Dongguan Ctl New Material Technology Co ltd
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
    • D06P1/5207—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • D06P1/525—Polymers of unsaturated carboxylic acids or functional derivatives thereof
    • D06P1/5257—(Meth)acrylic acid
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/46—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing natural macromolecular substances or derivatives thereof
    • D06P1/48—Derivatives of carbohydrates
    • D06P1/50—Derivatives of cellulose
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
    • D06P1/5264—Macromolecular compounds obtained otherwise than by reactions involving only unsaturated carbon-to-carbon bonds
    • D06P1/5292—Macromolecular compounds obtained otherwise than by reactions involving only unsaturated carbon-to-carbon bonds containing Si-atoms
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/64—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing low-molecular-weight organic compounds without sulfate or sulfonate groups
    • D06P1/642—Compounds containing nitrogen
    • D06P1/6426—Heterocyclic compounds
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/64—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing low-molecular-weight organic compounds without sulfate or sulfonate groups
    • D06P1/651—Compounds without nitrogen
    • D06P1/65106—Oxygen-containing compounds
    • D06P1/65125—Compounds containing ester groups
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/64—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing low-molecular-weight organic compounds without sulfate or sulfonate groups
    • D06P1/651—Compounds without nitrogen
    • D06P1/65106—Oxygen-containing compounds
    • D06P1/65131—Compounds containing ether or acetal groups

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Coloring (AREA)

Abstract

The invention provides a bio-based printing water slurry, a preparation method and application thereof, wherein the bio-based printing water slurry comprises a component A and a component B, the component A comprises bio-based acrylate emulsion, an anti-sticking agent, a thickening agent and water, and the component B comprises an aqueous curing agent; the bio-based acrylic ester emulsion is selected to replace the traditional organic resin emulsion as the main component of the component A, so that the printing water slurry has the environment-friendly characteristic, and the auxiliary agents such as an anti-adhesive agent, a thickening agent and the like are added in a matching way, so that the fabric treated by the printing water slurry has excellent washing fastness and softness, and meanwhile, has excellent skin affinity, and can be widely applied to the printing and dyeing of large-area fabrics such as bedsheets or coverlets.

Description

Bio-based printing water slurry and preparation method and application thereof
Technical Field
The invention belongs to the technical field of textile, and particularly relates to a bio-based printing water slurry, a preparation method and application thereof.
Background
The water paste printing is the printing technology used earliest in China, and has the biggest characteristics that the printing on the fabric has a dyeing-like effect, the original air permeability and the hand feeling of the fabric are not influenced, and the water paste is different from the dyeing and printing paste. The main component of the water slurry is water, and is mixed with organic resin, thickener, emulsifier and the like to prepare paste, and the paste has low solid content, does not need to add powder, is generally only applicable to light-colored fabrics and is generally printed in a large area, so that the paste is widely applied to industries such as bedsheets, curtains, large-area cloths and the like.
At present, many researches and reports on printing water paste are available. CN111851095a discloses a waterproof printing paste, a water-sensitive developing printed fabric using the waterproof printing paste and a preparation method thereof. The waterproof printing paste comprises the following components in percentage by mass: aqueous polyurethane emulsion: 15-35%, fluorine-free waterproof agent: 5-10% of isocyanate-terminated waterproof synergist: 1-5% of water: 45-60% of polyurethane thickener: 1-5% of organic silicon wetting agent: 1-5% of an organosilicon leveling agent: 1 to 5 percent; according to the waterproof printing paste and the water fabric using the waterproof printing paste, the special waterproof printing paste is adopted in the printing pattern area, the printing pattern does not appear when the fabric is not in contact with water, the non-printing area is deepened due to water absorption color when the fabric is in contact with water, and the printing area is kept unchanged due to limited water absorption color within 10min due to hydrophobicity of the non-printing area, so that the printing pattern appears on the printing fabric which does not appear in the drying process.
CN106351039a discloses an environment-friendly low-temperature cured ink for textile printing and a preparation method thereof, wherein the ink is prepared by using powdered acrylic resin as matrix resin, combining a specific amount of plasticizer with a specific structure, using wax powder, a dispersing agent, a defoaming agent, an emulsifying agent and pigment, and can be thermally cured at a lower temperature, namely, the cured ink layer can be obtained after heating for 1-3 min at 120-140 ℃, the curing temperature and the curing time are lower than those of common thermally cured ink, and the ink has the advantages of good stability, safety, environmental protection, no pollution, good weather resistance of printed matter and difficult aging; because the printing ink has the advantages of water paste, adhesive cement and traditional solvent type printing ink, the printing ink can print patterns with various colors and special process effects such as right angles, round angles, foaming and the like on cotton-containing textiles or pure cotton textiles, is suitable for areas or seasons with higher environmental temperature, and is particularly suitable for the process of a full-automatic printing machine.
Although the main component of the slurry is water, the water in the final product will volatilize, the organic resin is still the most dominant film forming material remaining on the fabric and limited by cost, performance and other factors, and the acrylate emulsion has been the most used resin for the slurry. However, most of the acrylic acid esters are derived from petrochemical resources at present, and the petrochemical resources are used as non-renewable resources, and in the refining and using processes, the petrochemical resources release more carbon dioxide and other greenhouse gases, so that the environment is affected. With the enhancement of environmental awareness, the reduction or use of petrochemical materials is increasingly taking place, and the use of other resources instead of petrochemical resources is a research hotspot nowadays, and bio-based materials are gaining attention due to their unique properties.
The bio-based material is a polymer material which is formed by partially or totally taking renewable raw resources such as vegetable oil, grains, beans, straw, natural cellulose and the like as raw materials, obtaining bio-based monomers or polymers through biotechnological conversion and further polymerizing. It is different from the traditional chemical products produced by mineral raw materials such as coal, petroleum, natural gas and the like, and has the characteristics of renewable raw materials, less carbon emission, energy conservation and the like; the bio-based materials are used for a long time, such as tung oil, natural pigment, natural rubber and the like, but are used in the traditional printing paste industry.
Therefore, developing a bio-based printing water paste with environmental protection property is a technical problem which needs to be solved in the field.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the bio-based printing water slurry, the preparation method and the application thereof, wherein the main raw materials of the bio-based printing water slurry are all from bio-based materials, the bio-based printing water slurry has the environment-friendly characteristic, and the printed fabric obtained after the treatment of the bio-based printing water slurry has excellent water fastness, higher air permeability and softness, also has excellent hand feeling and dry and wet wiping performance, and can meet the use requirements of most knitted fabrics.
To achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, the present invention provides a biobased printing paste comprising a component a and a component B;
the component A comprises the following components in parts by weight:
the component B comprises the following components in parts by weight:
0.1 to 5 parts by weight of aqueous curing agent.
In the a component, the bio-based acrylate emulsion may be 32 parts by weight, 34 parts by weight, 36 parts by weight, 38 parts by weight, 40 parts by weight, 42 parts by weight, 44 parts by weight, 46 parts by weight, 48 parts by weight, or the like.
The anti-sticking agent may be 3 parts by weight, 4 parts by weight, 5 parts by weight, 6 parts by weight, 7 parts by weight, 8 parts by weight, 9 parts by weight, or the like.
The thickener may be 0.7 part by weight, 0.9 part by weight, 1.1 part by weight, 1.3 parts by weight, 1.5 parts by weight, 1.7 parts by weight, 1.9 parts by weight, 2.1 parts by weight, 2.3 parts by weight, 2.5 parts by weight, 2.7 parts by weight, 2.9 parts by weight, or the like.
The water may be 53 parts by weight, 56 parts by weight, 59 parts by weight, 62 parts by weight, 65 parts by weight, 68 parts by weight, 71 parts by weight, 74 parts by weight, 77 parts by weight, or the like.
In the component B, the aqueous curing agent may be 0.15 parts by weight, 0.2 parts by weight, 0.25 parts by weight, 0.3 parts by weight, 0.35 parts by weight, 0.4 parts by weight, 0.45 parts by weight, or the like.
The bio-based printing water slurry provided by the invention comprises a component A and a component B, wherein the component A and the component B are mixed when in use; the component A comprises a combination of bio-based acrylate emulsion, an anti-sticking agent, a thickening agent and water, and the component B comprises an aqueous curing agent, and the bio-based acrylate emulsion is selected as a main film forming component of the component A, so that the content of bio-based carbon in the printing water paste can be effectively increased, the printing water paste has the environment-friendly characteristic, has no pollution to the environment and is beneficial to the environment protection; and the content of the bio-base in the bio-base acrylic ester emulsion can be reasonably adjusted according to the performance required by the printing water slurry, so that a printed product printed by adopting the bio-base printing water slurry has soft hand feeling, excellent moisture permeability and dry and wet wiping performance, and can meet different scene requirements.
Preferably, the biobased acrylate emulsion has a solids content of 25-60%, e.g., 30%, 35%, 40%, 45%, 50% or 55%, etc.
Preferably, the preparation raw materials of the bio-based acrylate emulsion comprise a combination of structural monomers, acidic monomers and bio-based monomers.
Preferably, the mass percentage of the structural monomer in the preparation raw material of the bio-based acrylate emulsion is 29-60%, such as 30%, 33%, 36%, 39%, 42%, 45%, 48%, 51%, 54% or 57%, etc.
Preferably, the structural monomer comprises any one or a combination of at least two of methyl acrylate, butyl acrylate, 2-isooctyl acrylate, lauryl acrylate, stearyl acrylate, methyl methacrylate, butyl methacrylate, isobutyl methacrylate, acrylonitrile, acrylamide or styrene.
Preferably, the mass percentage of the acidic monomer in the preparation raw material of the bio-based acrylate emulsion is 1-10%, for example 2%, 3%, 4%, 5%, 6%, 7%, 8% or 9%, etc.
Preferably, the acidic monomer comprises any one or a combination of at least two of acrylic acid, methacrylic acid, butenoic acid, fumaric acid, itaconic acid, citraconic acid or maleic anhydride.
Preferably, the bio-based acrylate emulsion is prepared from 30-70% of bio-based monomer by mass, for example 35%, 40%, 45%, 50%, 55%, 60%, 65% or 70% or the like.
Preferably, the bio-based monomer comprises a vinyl monomer.
Preferably, the bio-based monomer comprises an acrylate monomer and/or a methacrylate monomer.
As a preferred technical scheme of the invention, the bio-based acrylate emulsion can be prepared by the following method, wherein the preparation method comprises the following steps:
(A1) Preparation of the pre-emulsion: mixing part of deionized water with an emulsifier, and adding a structural monomer, an acidic monomer and a bio-based monomer to obtain a pre-emulsion;
(A2) Preparing seed emulsion: mixing the rest deionized water, an emulsifying agent and a buffer agent, adding part of the pre-emulsion obtained in the step (A1), then adding an initiator for reaction, and preserving heat after the reaction liquid is blue light to obtain seed emulsion;
(A3) Emulsion polymerization: and (3) adding the residual part of the pre-emulsion obtained in the step (A1) and an initiator into the seed emulsion obtained in the step (A2), reacting, cooling to room temperature, and filtering to obtain the bio-based acrylate emulsion.
Preferably, the anti-sticking agent comprises any one or a combination of at least two of soybean oil, castor oil, palm oil, peanut oil, rapeseed oil, linseed oil, methyl silicone oil, hydroxyl silicone oil, vinyl silicone oil and amino silicone oil.
Preferably, the anti-blocking agent comprises a combination of methyl silicone oil and castor oil.
Preferably, the content of the anti-blocking agent in the a-component is 5 to 8 parts by weight, for example, 5.3 parts by weight, 5.6 parts by weight, 5.9 parts by weight, 6.2 parts by weight, 6.5 parts by weight, 6.8 parts by weight, 7.1 parts by weight, 7.4 parts by weight, 7.7 parts by weight, or the like.
Preferably, the thickener comprises any one or a combination of at least two of polyacrylate, polymethacrylate, starch, pectin, alginate or cellulose type thickeners.
Preferably, the cellulosic thickener comprises sodium hydroxymethyl cellulose and/or hydroxyethyl cellulose.
Preferably, the thickener comprises polyacrylate and/or hydroxyethyl cellulose.
Preferably, the content of the thickener in the A component is 1.5 to 1.2 parts by weight.
Preferably, the A component also comprises a humectant and/or a preservative.
Preferably, the content of the humectant in the a component is 1 to 5 parts by weight, for example, 1.5 parts by weight, 2 parts by weight, 2.5 parts by weight, 3 parts by weight, 3.5 parts by weight, 4 parts by weight or 4.5 parts by weight, and more preferably 1 to 3 parts by weight.
Preferably, the humectant comprises any one or a combination of at least two of propylene glycol, dipropylene glycol, propylene glycol butyl ether, propylene glycol methyl ether acetate, propylene glycol diacetate, dipropylene glycol butyl ether, dipropylene glycol methyl ether, butyl carbitol or carbitol.
Preferably, the humectant comprises a combination of propylene glycol and dipropylene glycol.
Preferably, the content of the preservative in the a component is 0.1 to 2 parts by weight, for example, 0.3 parts by weight, 0.5 parts by weight, 0.7 parts by weight, 0.9 parts by weight, 1.1 parts by weight, 1.3 parts by weight, 1.5 parts by weight, 1.7 parts by weight, 1.9 parts by weight, or the like, and more preferably 0.5 to 1 part by weight.
Preferably, the preservative comprises any one or a combination of at least two of isothiazolinone preservatives, polyhexamethylene biguanide hydrochloride preservatives or imidazolidinyl urea preservatives, and further preferably is an isothiazolinone preservative.
Preferably, the aqueous curing agent includes any one of an aziridine-based curing agent, an isocyanate-based curing agent, or a carbodiimide-based curing agent.
Preferably, the A component is prepared by a method comprising the steps of:
(1) Mixing a bio-based acrylate emulsion, a detackifier, and optionally a humectant to obtain a first mixture;
(2) Mixing the first mixture obtained in the step (1) with a thickener to obtain a second mixture;
(3) Mixing the second mixture obtained in step (2), optionally a preservative and water, and filtering to obtain the component A.
Preferably, the mixing in steps (1) to (3) is carried out under stirring conditions, and each is independently carried out under stirring conditions at a rotation speed of 1500 to 2500rpm (for example, 1600rpm, 1700rpm, 1800rpm, 1900rpm, 2000rpm, 2100rpm, 2200rpm, 2300rpm, 2400rpm, or the like) more preferably.
Preferably, the mixing in the steps (1) - (3) is finished and further comprises a filtering step.
Preferably, the viscosity of the second mixture of step (2) is 25000 to 35000mpa . s, e.g. 26000mpa . s、27000mpa . s、28000mpa . s、29000mpa . s、30000mpa . s、31000mpa . s、32000mpa . s、33000mpa . s or 34000mpa . s, etc.
In a second aspect, the present invention provides a method of using the bio-based printing slurry of the first aspect, the method comprising mixing the a-and B-components to complete the use of the bio-based printing slurry.
In a third aspect, the present invention provides the use of a biobased printing paste as described in the first aspect in a fabric.
Preferably, the fabric comprises any one of a sheet, a quilt cover or a curtain.
Compared with the prior art, the invention has the following beneficial effects:
(1) The bio-based printing water slurry provided by the invention comprises a component A and a component B, wherein the component A comprises a combination of bio-based acrylic ester emulsion, an anti-sticking agent, a thickening agent and water, the bio-based acrylic ester emulsion is selected as the main component of the component A, so that the effective content of bio-based carbon in the printing water slurry can be effectively increased, the printing water slurry is free of environmental pollution, the environment is protected, the content of bio-based in the bio-based acrylic ester emulsion can be reasonably adjusted as required, and the fabric treated by the bio-based printing water slurry provided by the invention has soft hand feeling, excellent moisture permeability and dry and wet erasability.
(2) Specifically, the washing fastness test result of the fabric treated by the printing water slurry provided by the invention is good or excellent, the dry color fastness can reach 4, the wet color fastness can reach 3, and different scene requirements can be met.
Detailed Description
The technical scheme of the invention is further described by the following specific embodiments. It will be apparent to those skilled in the art that the examples are merely to aid in understanding the invention and are not to be construed as a specific limitation thereof.
Preparation example 1
A preparation method of the bio-based acrylate emulsion comprises the following steps:
(1) Preparation of the pre-emulsion: uniformly stirring 30 parts by weight of deionized water and 2 parts by weight of an emulsifier (Solvin, LA300 SB), and then adding 40 parts by weight of methyl acrylate, 10 parts by weight of acrylic acid and 50 parts by weight of bio-based methacrylate (sartomer, SARBIO 7101) to obtain a pre-emulsion;
(2) Preparing seed emulsion: uniformly stirring 70 parts by weight of deionized water, 2 parts by weight of emulsifier (Solvi, LA300 SB) and sodium bicarbonate, adding 5 parts by weight of the pre-emulsion prepared in the step (1), then adding 0.5 part by weight of sodium persulfate, reacting at 80 ℃ for 20 minutes, and preserving heat after the reaction liquid is blue light to obtain seed emulsion;
(3) Emulsion polymerization: adding the residual part of the pre-emulsion obtained in the step (1) and 2 parts by weight of sodium persulfate into the seed emulsion obtained in the step (2), reacting for 3 hours at 80 ℃, cooling to room temperature, and filtering to obtain the bio-based acrylate emulsion.
Preparation example 2
A preparation method of the bio-based acrylate emulsion comprises the following steps:
(1) Preparation of the pre-emulsion: uniformly stirring 30 parts by weight of deionized water and 2 parts by weight of emulsifier (Sovier, RS 610), and then adding 69 parts by weight of butyl acrylate, 1 part by weight of methacrylic acid and 30 parts by weight of bio-based acrylate (sartomer, SARBIO 7202) to obtain a pre-emulsion;
(2) Preparing seed emulsion: uniformly stirring 70 parts by weight of deionized water, 2 parts by weight of emulsifier (Sovier, RS 610) and sodium dihydrogen phosphate, adding 5 parts by weight of the pre-emulsion prepared in the step (1), then adding 0.5 part by weight of potassium persulfate, reacting for 20 minutes at 80 ℃, and preserving heat after the reaction liquid is blue light to obtain seed emulsion;
(3) Emulsion polymerization: adding the residual part of the pre-emulsion in the step (1) and 2 parts by weight of potassium persulfate into the seed emulsion in the step (2), reacting for 3 hours at 80 ℃, cooling to room temperature, and filtering to obtain the bio-based acrylate emulsion.
Example 1
A bio-based printing slurry, comprising a component A and a component B;
wherein the component A comprises the following components in parts by weight:
the preparation method of the component A comprises the following steps:
(1) Mixing a bio-based acrylate emulsion (preparation 1), methyl silicone oil, castor oil, propylene glycol and dipropylene glycol to obtain a first mixture;
(2) Mixing the first mixture obtained in the step (1) with hydroxyethylcellulose to obtain a mixture having a viscosity of 28000mpa . s, a second mixture of s;
(3) Mixing the second mixture obtained in the step (2), an isothiazolinone preservative (Kathon chemical, KS-01) and water, and filtering to obtain a component A;
the component B comprises the following components in parts by weight: 0.25 part by weight of a carbodiimide curing agent (Nisshinba, C-218).
Example 2
A bio-based printing slurry, comprising a component A and a component B;
the component A comprises the following components in parts by weight:
in the component A, the bio-based acrylate emulsion is derived from preparation example 2, and the isothiazolinone preservative is middle and north fine chemical engineering, ZB-01; the preparation method of the component A is the same as that of the example 1;
the component B comprises the following components in parts by weight: 5 parts by weight of an aziridine curing agent (Dacron technology, PC-100).
Example 3
A bio-based printing slurry, comprising a component A and a component B;
the component A comprises the following components in parts by weight:
in the component A, the bio-based acrylic ester emulsion is derived from preparation example 1, and the isothiazolinone preservative is middle and north fine chemical industry and ZB-01; the preparation method of the component A is the same as that of the example 1;
the component B comprises the following components in parts by weight: 0.1 part by weight of an isocyanate curing agent (Kogyo, XP 2655).
Example 4
A bio-based printing paste which is different from example 1 only in that no methyl silicone oil is added to the A component, the amount of castor oil is 8 parts by weight, and other components, amounts and preparation methods are the same as example 1.
Example 5
A bio-based printing paste which is different from example 1 only in that castor oil is not added to the A component, methyl silicone oil is used in an amount of 8 parts by weight, and other components, amounts and preparation methods are the same as example 1.
Example 6
A bio-based printing paste which is different from example 1 only in that hydroxy silicone oil is used to replace castor oil in the A component, and other components, amounts and preparation methods are the same as example 1.
Example 7
A bio-based printing slurry was different from example 1 only in that propylene glycol and dipropylene glycol were not added to the A component, water was added in an amount of 72 parts by weight, and other components, amounts and preparation methods were the same as in example 1.
Comparative example 1
A biobased printing paste which is different from example 1 only in that an acrylic ester emulsion (long-joint technology, MP-265) is adopted to replace the biobased acrylic ester emulsion of preparation example 1, and other components, amounts and preparation methods are the same as those of example 1.
Comparative example 2
A bio-based printing paste differing from example 1 only in that castor oil and methyl silicone oil were not added, water was added in an amount of 78 parts by weight, and other components, amounts and preparation methods were the same as in example 1.
Performance test:
(1) Fastness to washing: and (3) washing the printed matter obtained by adopting the bio-based printing water slurry treatment with water at the water temperature of 60 ℃ and the rotating speed of 60r/min for 2.5 hours, observing the complete condition of the graph, if the graph is complete, marking as excellent if no falling trace exists, if the graph is complete, but gaps are formed between the graph and cotton cloth, and if the graph falls, the quality is poor.
(2) Color fastness: testing according to a testing method provided by national standard GB/T3920-2008 "method for testing friction-resistant color fastness of textiles";
(3) Hand feeling: touch method.
The printing pastes provided in examples 1 to 7 and comparative examples 1 to 2 were tested according to the above test methods, and the test results are shown in table 1:
TABLE 1
From the data in table 1, it can be seen that:
the fabrics treated by the printing water slurry provided by the invention have good hand feeling, the washing fastness test result is good or excellent, the dry color fastness can reach 4, and the wet color fastness can reach 3.
Specifically, as can be seen from the data of comparative example 1 and example 1, the printing paste obtained by using the bio-based acrylate emulsion in example 1 can reach the level of the conventional acrylate emulsion, so that the fabric has good hand feeling, higher washing fastness and color fastness.
As can be seen from the comparison of the example 1 and the comparative example 2, the fabrics obtained after the printing paste treatment without adding castor oil and methyl silicone oil have poor hand feeling, are sticky and have low dry and wet color fastness.
Further comparing examples 1 and 4 to 6, it was found that the printing paste obtained by using methyl silicone oil together with castor oil as an anti-sticking agent can give fabrics having both high dry and wet color fastness, washing fastness and dry and soft hand feeling.
Further comparing example 1 with example 7, it was found that the fabric treated with the printing paste prepared without adding the humectant had a hard feel and poor softness.
The applicant states that the present invention is described by way of the above examples as a bio-based printing paste and a method of preparing the same and use thereof, but the present invention is not limited to, i.e. it is not meant that the present invention must be practiced in dependence upon the above examples. It should be apparent to those skilled in the art that any modification of the present invention, equivalent substitution of raw materials for the product of the present invention, addition of auxiliary components, selection of specific modes, etc., falls within the scope of the present invention and the scope of disclosure.

Claims (26)

1. A bio-based printing slurry, characterized in that the bio-based printing slurry comprises a component a and a component B;
the component A comprises the following components in parts by weight:
the preparation raw materials of the bio-based acrylate emulsion comprise a combination of a structural monomer, an acid monomer and a bio-based monomer;
the structural monomer comprises any one or a combination of at least two of methyl acrylate, butyl acrylate, 2-isooctyl acrylate, lauryl acrylate, stearyl acrylate, methyl methacrylate, butyl methacrylate, isobutyl methacrylate, acrylonitrile, acrylamide and styrene;
the acidic monomer comprises any one or a combination of at least two of acrylic acid, methacrylic acid, butenoic acid, fumaric acid, itaconic acid, citraconic acid or maleic anhydride;
the bio-based monomer comprises an acrylic monomer and/or a methacrylic monomer;
the anti-sticking agent comprises a combination of methyl silicone oil and castor oil;
the component B comprises the following components in parts by weight:
0.1 to 5 parts by weight of aqueous curing agent.
2. The biobased printing paste according to claim 1 wherein the biobased acrylate emulsion has a solids content of 40 to 60%.
3. The biobased printing paste as claimed in claim 1, wherein the mass percentage of the structural monomer in the preparation raw material of the biobased acrylic ester emulsion is 29-69%.
4. The biobased printing paste as claimed in claim 1, wherein the mass percentage of the acidic monomer in the preparation raw material of the biobased acrylic ester emulsion is 1-10%.
5. The biobased printing paste as claimed in claim 1, wherein the biobased acrylate emulsion is prepared from the raw materials of 30-70% by mass of the biobased monomer.
6. The bio-based printing slurry according to claim 1, wherein the content of the anti-sticking agent in the a component is 5 to 8 parts by weight.
7. The biobased printing paste of claim 1 wherein said thickener comprises any one or a combination of at least two of polyacrylate, polymethacrylate, starch, pectin, alginate or cellulose based thickeners.
8. The biobased printing paste according to claim 7 wherein said cellulosic thickener comprises sodium hydroxymethyl cellulose and/or hydroxyethyl cellulose.
9. The biobased printing paste according to claim 8 wherein said thickener comprises polyacrylate and/or hydroxyethyl cellulose.
10. The bio-based printing slurry according to claim 1, wherein the content of the thickener in the a component is 0.5 to 1.2 parts by weight.
11. The biobased printing paste of claim 1 wherein said a component further comprises a preservative.
12. The bio-based printing slurry of claim 11, wherein the preservative is contained in the a component in an amount of 0.1 to 2 parts by weight.
13. The bio-based printing slurry of claim 12, wherein the preservative is contained in the a component in an amount of 0.5 to 1 part by weight.
14. The biobased printing paste of claim 11 wherein the preservative comprises any one or a combination of at least two of isothiazolinone type preservatives, polyhexamethylene biguanide type preservatives or imidazolidinyl urea type preservatives.
15. The biobased printing paste of claim 14 wherein said preservative is an isothiazolinone preservative.
16. The bio-based printing slurry according to claim 1, wherein the humectant is contained in the a component in an amount of 1 to 3 parts by weight.
17. The biobased printing paste of claim 1 wherein the humectant comprises any one or a combination of at least two of propylene glycol, dipropylene glycol, propylene glycol butyl ether, propylene glycol methyl ether acetate, propylene glycol diacetate, dipropylene glycol butyl ether, dipropylene glycol methyl ether, butyl carbitol, or carbitol.
18. The biobased printing paste of claim 17 wherein said humectant comprises a combination of propylene glycol and dipropylene glycol.
19. The biobased printing paste according to claim 1, wherein the aqueous curing agent comprises any one of an aziridine-based curing agent, an isocyanate-based curing agent, or a carbodiimide-based curing agent.
20. The bio-based printing slurry of claim 11, wherein the a-component is prepared by a process comprising the steps of:
(1) Mixing the bio-based acrylate emulsion, the anti-sticking agent and the humectant to obtain a first mixture;
(2) Mixing the first mixture obtained in the step (1) with a thickener to obtain a second mixture;
(3) And (3) mixing the second mixture obtained in the step (2), a preservative and water, and filtering to obtain the component A.
21. The biobased printing paste according to claim 20, wherein said mixing in steps (1) to (3) is performed under stirring, each independently being performed under stirring at a rotation speed of 1500 to 2500 rpm.
22. The biobased printing paste according to claim 20, wherein the steps (1) to (3) each further comprise a step of filtering after the completion of the mixing.
23. The biobased printing paste according to claim 20 wherein the viscosity of said second mixture of step (2) is 25000 to 35000 mPa-s.
24. A method of using the bio-based printing slurry of any of claims 1 to 23, wherein the method of using comprises mixing the a-component and the B-component to complete the use of the bio-based printing slurry.
25. Use of a biobased printing paste as claimed in any one of claims 1 to 23 in a fabric.
26. The use of a biobased printing paste according to claim 25 in a fabric comprising any one of a bed sheet, a quilt cover or a curtain.
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