Zero-formaldehyde printing adhesive and preparation method thereof

Abstract

The invention provides a zero-formaldehyde printing adhesive and a preparation method thereof, and relates to the technical field of radiation chemical industry. Comprising the following components in parts by mass: 280 to 320 parts of butyl acrylate, 50 to 60 parts of styrene, 10 to 20 parts of methyl methacrylate, 5 to 15 parts of acrylic acid, 3 to 8 parts of glycidyl methacrylate, 1 to 3 parts of acrylamide, 10 to 30 parts of an A-980 emulsifier, 10 to 30 parts of a Ks-360 emulsifier, 0.5 to 1.5 parts of ammonia water, 10 to 50 parts of urea and 550 to 600 parts of water. An aqueous dispersion of unsaturated acrylate is subjected to gamma radiation to initiate emulsion polymerization reaction to obtain a mixture of polyacrylate and water, irradiation emulsion polymerization is a method for initiating emulsion polymerization by decomposing a medium into free radicals under high-energy ray irradiation, and the polymerization emulsion obtained through the irradiation method is free of formaldehyde, environmentally friendly, free of pollution and free of pollution. The performance is excellent.

Description

Technical Field

[0001] The invention relates to the technical field of radiation chemical engineering, and in particular to a zero-formaldehyde printing adhesive and a preparation method thereof. Background Art

[0002] Printing adhesive is a chemical substance with special adhesive properties. It can tightly bind pigments or dyes to the surface of fabrics during the printing process to form a firm film. This film can not only protect the printed pattern from the influence of the external environment, such as wear and tear, washing, etc., but also improve the vividness and clarity of the pattern. Printing adhesives can be divided into many types according to their composition, use and performance. Common printing adhesives include water-based printing adhesives, oil-based printing adhesives, hot-melt printing adhesives, etc. Printing adhesives are widely used in the printing process of textile, clothing, leather, paper and other industries. Whether it is traditional screen printing, roller printing, or modern digital printing, transfer printing, etc., they are inseparable from the help of printing adhesives. High-quality printing adhesives have good adhesion, water resistance, washability, friction resistance and weather resistance. These properties ensure that the printed pattern is not easy to fall off, fade or deform during long-term use;

[0003] The printing and dyeing industry occupies a large proportion in the national economy, and the development of the printing and dyeing industry has been highly valued by the textile industry. In recent years, with the proposal of high environmental protection, green production, and green product solutions, in the textile printing industry, high environmental protection product requirements have become a trend, and the survival space of products that cannot meet high environmental protection requirements has been further compressed. Traditional printing adhesives contain a large amount of VOCs, which will evaporate during use and pose a threat to the environment and human health. Traditional printing adhesives also contain formaldehyde, APEO (alkylphenol polyoxyethylene ether) and other harmful substances, which will not only affect the quality and safety of the product, but also may cause harm to human health through skin contact, inhalation and other pathways. Therefore, the present invention proposes a zero formaldehyde printing adhesive and a preparation method thereof to solve the problems existing in the prior art. Summary of the invention

[0004] In view of the above problems, the present invention proposes a zero-formaldehyde printing adhesive and a preparation method thereof. The preparation method of the zero-formaldehyde printing adhesive is to subject an aqueous dispersion of unsaturated acrylic ester to gamma radiation to initiate an emulsion polymerization reaction to obtain a mixture of polyacrylate and water, which is zero-formaldehyde and environmentally friendly and pollution-free.

[0005] To achieve the purpose of the present invention, the present invention is achieved through the following technical scheme: a zero formaldehyde printing adhesive, comprising the following components in mass ratio: 280-320 parts of butyl acrylate, 50-60 parts of styrene, 10-20 parts of methyl methacrylate, 5-15 parts of acrylic acid, 3-8 parts of glycidyl methacrylate, 1-3 parts of acrylamide, 10-30 parts of A-980 emulsifier, 10-30 parts of Ks-360 emulsifier, 0.5-1.5 parts of ammonia water, 10-50 parts of urea, and 550-600 parts of water.

[0006] The further improvement is that it includes the following components in mass ratio: 300 parts of butyl acrylate, 55 parts of styrene, 15 parts of methyl methacrylate, 10 parts of acrylic acid, 6 parts of glycidyl methacrylate, 2 parts of acrylamide, 20 parts of A-980 emulsifier, 20 parts of Ks-360 emulsifier, 1 part of ammonia water, 30 parts of urea, and 570 parts of water.

[0007] A further improvement is that the water is selected from deionized water and distilled water.

[0008] A method for preparing a zero-formaldehyde printing adhesive comprises the following steps:

[0009] S1: Put all monomer components into an emulsifying tank, add water dispersion, and obtain a mixture;

[0010] S2: stirring the mixture in the emulsification tank to obtain an emulsion;

[0011] S3: The emulsion is put into a stainless steel bottle and placed in a radiation source for irradiation to obtain a finished product.

[0012] A further improvement is that in S1, an emulsification tank made of stainless steel 304 or 316L is prepared, and the tank body is cleaned to remove impurities.

[0013] A further improvement is that in S2, the stirring speed is controlled to 2800 r / min.

[0014] A further improvement is that in S2, the stirring time is controlled to be 80-120 min.

[0015] A further improvement is that in S3, the stainless steel bottle is made of stainless steel 304 or 316L, and the volume of the stainless steel bottle is twice the volume of the internal emulsion.

[0016] A further improvement is that in S3, the irradiation time is controlled to be 6-9 hours.

[0017] The beneficial effects of the present invention are:

[0018] 1. In the present invention, an aqueous dispersion of unsaturated acrylic acid ester is subjected to gamma radiation to initiate an emulsion polymerization reaction to obtain a mixture of polyacrylate and water. Irradiation emulsion polymerization is a method of initiating emulsion polymerization by decomposing a medium into free radicals under high-energy ray irradiation. The polymer emulsion obtained by this radiation method has zero formaldehyde and is environmentally friendly and pollution-free.

[0019] 2. The present invention is environmentally friendly and pollution-free, has low energy consumption, simple reaction, and zero emission. The obtained emulsion is sprayed or scraped on the printed cloth surface as printing paste. After testing, it is found to be zero formaldehyde and has excellent performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a flow chart of the present invention. DETAILED DESCRIPTION

[0021] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with examples. The examples are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention.

[0022] Embodiment 1

[0023] according to Figure 1 As shown, this embodiment proposes a zero formaldehyde printing adhesive, including the following components in mass ratio: 3000 parts of butyl acrylate, 55 parts of styrene, 15 parts of methyl methacrylate, 10 parts of acrylic acid, 6 parts of glycidyl methacrylate, 2 parts of acrylamide, 20 parts of A-980 emulsifier, 10 parts of Ks-360 emulsifier, 10 parts of ammonia water, 10 parts of urea, and 570 parts of deionized water.

[0024] A method for preparing a zero-formaldehyde printing adhesive comprises the following steps:

[0025] S1: prepare an emulsification tank made of stainless steel 304 or 316L, clean the tank, remove impurities, put all monomer components into the emulsification tank, add water dispersion, and obtain a mixture;

[0026] S2: stirring the mixture in the emulsification tank to obtain an emulsion, controlling the stirring speed to 2800 r / min, and controlling the stirring time to 100 min;

[0027] S3: The stainless steel bottle should be made of 304 or 316L stainless steel, and the volume of the stainless steel bottle should be twice that of the internal emulsion. The emulsion should be put into the stainless steel bottle and placed in a radiation source for γ irradiation. The irradiation time is controlled to be 8 hours to obtain the finished product. The aqueous dispersion of unsaturated acrylic acid ester is subjected to Co60γ radiation to initiate emulsion polymerization to obtain a mixture of polyacrylate and water. Irradiation emulsion polymerization is a method of initiating emulsion polymerization by decomposing a medium into free radicals under high-energy ray irradiation. This polymerization method is environmentally friendly and pollution-free, has low energy consumption, simple reaction, and zero emissions, and meets the requirements of the high-end market.

[0028] Embodiment 2

[0029] according to Figure 1 As shown, this embodiment proposes a zero formaldehyde printing adhesive, including the following components in mass ratio: 300 parts of butyl acrylate, 55 parts of styrene, 15 parts of methyl methacrylate, 10 parts of acrylic acid, 6 parts of glycidyl methacrylate, 2 parts of acrylamide, 20 parts of A-980 emulsifier, 10 parts of Ks-360 emulsifier, 1 part of ammonia water, 20 parts of urea, and 570 parts of deionized water.

[0030] A method for preparing a zero-formaldehyde printing adhesive comprises the following steps:

[0031] S1: prepare an emulsification tank made of stainless steel 304 or 316L, clean the tank, remove impurities, put all monomer components into the emulsification tank, add water dispersion, and obtain a mixture;

[0032] S2: stirring the mixture in the emulsification tank to obtain an emulsion, controlling the stirring speed to 2800 r / min, and controlling the stirring time to 100 min;

[0033] S3: The stainless steel bottle should be made of 304 or 316L stainless steel, and the volume of the stainless steel bottle should be twice that of the internal emulsion. The emulsion should be put into the stainless steel bottle and placed in a radiation source for γ irradiation. The irradiation time is controlled to be 8 hours to obtain the finished product. The aqueous dispersion of unsaturated acrylic acid ester is subjected to Co60γ radiation to initiate emulsion polymerization to obtain a mixture of polyacrylate and water. Irradiation emulsion polymerization is a method of initiating emulsion polymerization by decomposing a medium into free radicals under high-energy ray irradiation. This polymerization method is environmentally friendly and pollution-free, has low energy consumption, simple reaction, and zero emissions, and meets the requirements of the high-end market.

[0034] Embodiment 3

[0035] according to Figure 1As shown, this embodiment proposes a zero formaldehyde printing adhesive, including the following components in mass ratio: 300 parts of butyl acrylate, 55 parts of styrene, 15 parts of methyl methacrylate, 10 parts of acrylic acid, 6 parts of glycidyl methacrylate, 2 parts of acrylamide, 20 parts of A-980 emulsifier, 10 parts of Ks-360 emulsifier, 1 part of ammonia water, 30 parts of urea, and 570 parts of deionized water.

[0036] A method for preparing a zero-formaldehyde printing adhesive comprises the following steps:

[0037] S1: prepare an emulsification tank made of stainless steel 304 or 316L, clean the tank, remove impurities, put all monomer components into the emulsification tank, add water dispersion, and obtain a mixture;

[0038] S2: stirring the mixture in the emulsification tank to obtain an emulsion, controlling the stirring speed to 2800 r / min, and controlling the stirring time to 100 min;

[0039] S3: The stainless steel bottle should be made of 304 or 316L stainless steel, and the volume of the stainless steel bottle should be twice that of the internal emulsion. The emulsion should be put into the stainless steel bottle and placed in a radiation source for γ irradiation. The irradiation time is controlled to be 8 hours to obtain the finished product. The aqueous dispersion of unsaturated acrylic acid ester is subjected to Co60γ radiation to initiate emulsion polymerization to obtain a mixture of polyacrylate and water. Irradiation emulsion polymerization is a method of initiating emulsion polymerization by decomposing a medium into free radicals under high-energy ray irradiation. This polymerization method is environmentally friendly and pollution-free, has low energy consumption, simple reaction, and zero emissions, and meets the requirements of the high-end market.

[0040] Embodiment 4

[0041] according to Figure 1 As shown, this embodiment proposes a zero formaldehyde printing adhesive, including the following components in mass ratio: 300 parts of butyl acrylate, 55 parts of styrene, 15 parts of methyl methacrylate, 10 parts of acrylic acid, 6 parts of glycidyl methacrylate, 2 parts of acrylamide, 20 parts of A-980 emulsifier, 10 parts of Ks-360 emulsifier, 1 part of ammonia water, 40 parts of urea, and 570 parts of deionized water.

[0042] A method for preparing a zero-formaldehyde printing adhesive comprises the following steps:

[0043] S1: prepare an emulsification tank made of stainless steel 304 or 316L, clean the tank, remove impurities, put all monomer components into the emulsification tank, add water dispersion, and obtain a mixture;

[0044] S2: stirring the mixture in the emulsification tank to obtain an emulsion, controlling the stirring speed to 2800 r / min, and controlling the stirring time to 100 min;

[0045] S3: The stainless steel bottle should be made of 304 or 316L stainless steel, and the volume of the stainless steel bottle should be twice that of the internal emulsion. The emulsion should be put into the stainless steel bottle and placed in a radiation source for γ irradiation. The irradiation time is controlled to be 8 hours to obtain the finished product. The aqueous dispersion of unsaturated acrylic acid ester is subjected to Co60γ radiation to initiate emulsion polymerization to obtain a mixture of polyacrylate and water. Irradiation emulsion polymerization is a method of initiating emulsion polymerization by decomposing a medium into free radicals under high-energy ray irradiation. This polymerization method is environmentally friendly and pollution-free, has low energy consumption, simple reaction, and zero emissions, and meets the requirements of the high-end market.

[0046] Embodiment 5

[0047] according to Figure 1 As shown, this embodiment proposes a zero formaldehyde printing adhesive, including the following components in mass ratio: 300 parts of butyl acrylate, 55 parts of styrene, 15 parts of methyl methacrylate, 10 parts of acrylic acid, 6 parts of glycidyl methacrylate, 2 parts of acrylamide, 20 parts of A-980 emulsifier, 10 parts of Ks-360 emulsifier, 1 part of ammonia water, 50 parts of urea, and 570 parts of deionized water.

[0048] A method for preparing a zero-formaldehyde printing adhesive comprises the following steps:

[0049] S1: prepare an emulsification tank made of stainless steel 304 or 316L, clean the tank, remove impurities, put all monomer components into the emulsification tank, add water dispersion, and obtain a mixture;

[0050] S2: stirring the mixture in the emulsification tank to obtain an emulsion, controlling the stirring speed to 2800 r / min, and controlling the stirring time to 100 min;

[0051] S3: The stainless steel bottle should be made of 304 or 316L stainless steel, and the volume of the stainless steel bottle should be twice that of the internal emulsion. The emulsion should be put into the stainless steel bottle and placed in a radiation source for γ irradiation. The irradiation time is controlled to be 8 hours to obtain the finished product. The aqueous dispersion of unsaturated acrylic acid ester is subjected to Co60γ radiation to initiate emulsion polymerization to obtain a mixture of polyacrylate and water. Irradiation emulsion polymerization is a method of initiating emulsion polymerization by decomposing a medium into free radicals under high-energy ray irradiation. This polymerization method is environmentally friendly and pollution-free, has low energy consumption, simple reaction, and zero emissions, and meets the requirements of the high-end market.

[0052] Verify data:

[0053] According to Example 1, Example 2, Example 3, Example 4 and Example 5, it can be concluded that the printing adhesive prepared by the present invention is environmentally friendly, pollution-free and formaldehyde-free.

[0054]

[0055] The present invention initiates emulsion polymerization reaction of water dispersion of unsaturated acrylic ester by γ radiation, and the emulsion initiates polymerization reaction of aqueous dispersion or aqueous solution by γ ray radiation to obtain a mixture of polyacrylate and water. Irradiation emulsion polymerization is a method of initiating emulsion polymerization by decomposing a medium into free radicals under high-energy ray irradiation. The aqueous dispersion of emulsion is initiated by radiation to obtain polymerized emulsion. The obtained polymerized emulsion is formaldehyde-free and environmentally friendly. The method is environmentally friendly and pollution-free, has low energy consumption, simple reaction, and zero emission. The obtained emulsion is sprayed or scraped on the surface of printed cloth as printing paste. After testing, it is found to be formaldehyde-free and has excellent performance.

[0056] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A zero formaldehyde printing adhesive, characterized in that: The composition comprises the following components in mass ratio: 280-320 parts of butyl acrylate, 50-60 parts of styrene, 10-20 parts of methyl methacrylate, 5-15 parts of acrylic acid, 3-8 parts of glycidyl methacrylate, 1-3 parts of acrylamide, 10-30 parts of A-980 emulsifier, 10-30 parts of Ks-360 emulsifier, 0.5-1.5 parts of ammonia water, 10-50 parts of urea and 550-600 parts of water.

2. A zero formaldehyde printing adhesive according to claim 1, characterized in that: It includes the following components in mass ratio: 300 parts of butyl acrylate, 55 parts of styrene, 15 parts of methyl methacrylate, 10 parts of acrylic acid, 6 parts of glycidyl methacrylate, 2 parts of acrylamide, 20 parts of A-980 emulsifier, 20 parts of Ks-360 emulsifier, 1 part of ammonia water, 30 parts of urea, and 570 parts of water.

3. A zero formaldehyde printing adhesive according to claim 1, characterized in that: The water can be deionized water or distilled water.

4. A method for preparing a zero formaldehyde printing adhesive, using a zero formaldehyde printing adhesive as described in any one of claims 1 to 3, characterized in that: The following steps are involved: S1: Put all monomer components into an emulsifying tank, add water dispersion, and obtain a mixture; S2: stirring the mixture in the emulsification tank to obtain an emulsion; S3: The emulsion is put into a stainless steel bottle and placed in a radiation source for irradiation to obtain a finished product.

5. A zero formaldehyde printing adhesive and a preparation method thereof according to claim 4, characterized in that: In S1, an emulsification tank made of stainless steel 304 or 316L is prepared, and the tank body is cleaned to remove impurities.

6. A zero formaldehyde printing adhesive and a preparation method thereof according to claim 4, characterized in that: In S2, the stirring speed is controlled to 2800 r / min.

7. A zero formaldehyde printing adhesive and a preparation method thereof according to claim 6, characterized in that: In S2, the stirring time is controlled to be 80-120 min.

8. A zero formaldehyde printing adhesive and a preparation method thereof according to claim 4, characterized in that: In S3, the stainless steel bottle is made of 304 or 316L stainless steel, and the volume of the stainless steel bottle is one times larger than the volume of the internal emulsion.

9. A zero formaldehyde printing adhesive and a preparation method thereof according to claim 8, characterized in that: In S3, the irradiation time is controlled to be 6-9h 。

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