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Formaldehyde-free self-crosslinked nanometer emulsion coating dye printing cementing substance and method for making same

A technology of nano-emulsion and adhesive, which is applied in the field of formaldehyde-free self-crosslinking nano-emulsion paint printing and dyeing adhesive and its preparation, which can solve the problems of environmental pollution, network blocking, network blocking, sticking rollers, etc., and improve printing and dyeing. The effect of fastness

Inactive Publication Date: 2008-09-17
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Years of scientific research and industrial production practice have shown that the dye printing and dyeing process has at least the following three shortcomings: (1) the discharge and loss of a large number of unused dyes increases the use of dyes and increases the cost of raw materials; (2) the low utilization rate of dyes leads to Increased water and energy consumption in the cleaning process; (3) Organic dyes still remain in the treated wastewater, and long-term discharge accumulation will inevitably cause environmental pollution
[0005] (1) Formaldehyde release problem
[0006] (2) The contradiction between the feel and color fastness of paint printing and dyeing products
[0007] (3) Problems of screen blocking and roller sticking in the process of paint printing and dyeing
Due to the uneven type and content of the soft monomer in the polymer component contained in the adhesive, the different glass transition temperatures of the polymers with various copolymerization sequence structures, and the stability and minimum film-forming temperature of each latex particle are similar. Due to different factors, the adhesive emulsion is partially demulsified and formed into a film during the processing (the process requirement is to achieve the bonding function by demulsifying in the subsequent baking stage), resulting in the phenomenon of network blocking and sticking of rolls

Method used

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  • Formaldehyde-free self-crosslinked nanometer emulsion coating dye printing cementing substance and method for making same
  • Formaldehyde-free self-crosslinked nanometer emulsion coating dye printing cementing substance and method for making same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Adhesive emulsion polymerization formula (percentage of each component of the reaction system in the total mass of the monomer):

[0047] Hydroxyethyl acrylate and hydroxypropyl methacrylate 1~20

[0048] Ethyl acrylate and 2-ethylhexyl acrylate 20~80

[0049] Methacrylic acid 1~10

[0050] Methyl methacrylate 1~10

[0051] Styrene 0~5

[0052] Acrylamide 0~5

[0053] Ammonium persulfate 0.01~0.5

[0054] Sodium lauryl sulfate and octylphenol polyethylene glycol ether 2~5

[0055] Appropriate amount of deionized water

[0056] Synthesis:

[0057] Add 1 / 8 to 1 / 3 of the soft monomer, hard monomer, initiator, all emulsifiers and deionized water in the above reactant formula to the reactor, and stir and pre-emulsify at 20°C to 50°C for 15min to 30min , raise the temperature to 75°C-90°C; after initiating the polymerization, add the remaining soft monomers, hard monomers, initiators and cross-linking functional monomers dropwise, and keep warm at 75°C-90°C for 90min-...

Embodiment 2

[0059] Adhesive emulsion polymerization formula (percentage of each component of the reaction system in the total mass of the monomer):

[0060] Hydroxyethyl methacrylate and hydroxypropyl acrylate 1~20

[0061] Ethyl acrylate and butyl acrylate 20~80

[0062] Acrylic 1~10

[0063] Methyl methacrylate 1~10

[0064] Acrylonitrile 0~5

[0065] Acrylamide 0~5

[0066] Potassium persulfate 0.01~0.5

[0067] Sodium dodecylbenzenesulfonate and octylphenol polyethylene glycol ether 2~5

[0068] Appropriate amount of deionized water

[0069] Synthesis:

[0070] Add 1 / 8 to 1 / 3 of the soft monomer, hard monomer, initiator, all emulsifiers and deionized water in the above reactant formula to the reactor, and stir and pre-emulsify at 20°C to 50°C for 15min to 30min , raise the temperature to 75°C-90°C; after initiating the polymerization, add the remaining soft monomers, hard monomers, initiators and cross-linking functional monomers dropwise, and keep warm at 75°C-90°C for 90min-...

Embodiment 3

[0072] Adhesive emulsion polymerization formula (percentage of each component of the reaction system in the total mass of the monomer):

[0073] Hydroxyethyl methacrylate and hydroxybutyl acrylate 1~20

[0074] Butyl acrylate and 2-ethylhexyl acrylate 20~80

[0075] Acrylic acid and methacrylic acid 1~10

[0076] Methyl methacrylate 1~5

[0077] Styrene 0~5

[0078] Acrylamide 0~5

[0079] Ammonium persulfate 0.01~0.5

[0080] Sodium lauryl sulfate and octylphenol polyethylene glycol ether 2~5

[0081] Appropriate amount of deionized water

[0082] Synthesis:

[0083] Add 1 / 8 to 1 / 3 of the soft monomer, hard monomer, initiator, all emulsifiers and deionized water in the above reactant formula to the reactor, and stir and pre-emulsify at 20°C to 50°C for 15min to 30min , raise the temperature to 75°C-90°C; after initiating the polymerization, add the remaining soft monomers, hard monomers, initiators and cross-linking functional monomers dropwise, and keep warm at 75°C-...

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Abstract

A formaldehyde-free self-crosslinking nanometer emulsion coating printing and dyeing adhesive and a preparation method thereof. According to the technical proposal provided by the invention, the formaldehyde-free self-crosslinking nanometer emulsion coating printing and dyeing adhesive contains: crosslinking monomer 1-20, hard monomer 1-20, hydrophilic monomer 0-5, initiator 0.01-0.5, and surfactant 2-5; the mass part is taken as the unit. The crosslinking monomer can be one of or a combination of hydroxyethyl acrylate, hydroxypropyl acrylate, hydroxybutyl acrylate, hydroxyhexyl acrylate, methyl methacrylate, glycol methacrylate, and propylene glycol monomethacrylate. When the formaldehyde-free self-crosslinking nanometer emulsion coating printing and dyeing adhesive is used in fabric coating printing or dyeing, no mesh blocking or roll coating happens; the printing and dyeing pattern has bright color, and clear figure and pattern; the fabric feels soft; and the color fastness is excellent.

Description

technical field [0001] The invention relates to a preparation method of an adhesive for textile paint printing and dyeing in the textile printing and dyeing industry, more particularly to a preparation method of a formaldehyde-free emulsion adhesive used in paint printing and dyeing. Background technique [0002] Dyeing and printing of textiles is an important processing technology for endowing textiles with functions such as color, pattern and fiber protection. Therefore, printing and dyeing technology has always been the focus of research and development in the field of textile science and textile industry. Traditional dyeing and printing mostly use various types of dyes to color fibers or fabrics. Years of scientific research and industrial production practice have shown that the dye printing and dyeing process has at least the following three shortcomings: (1) the discharge and loss of a large number of unused dyes increases the use of dyes and increases the cost of raw ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06P1/52C08F220/10C08F2/24
Inventor 蒋学田秀枝房宽峻俞恒杰张霞付少海
Owner JIANGNAN UNIV
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