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Palygorskite-modified aqueous transfer printing coating and preparation method thereof

A kind of palygorskite and coating technology, applied in the field of coatings

Inactive Publication Date: 2011-08-10
浙江驰怀烫印科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The above-mentioned patented technologies are basically improvements on the base film, but there are some deficiencies in the transfer coatings used in thermal transfer processes such as bronzing. Such as poor glass effect, poor adhesion to the aluminum layer on the printing surface, cracks or poor ink adhesion, etc., resulting in relatively large defects in product performance; at the same time, the existing transfer coating coating process is complex and energy-consuming. The amount of coating is large, and the use of a large amount of organic solution will pollute the environment and the cost is high
[0005] Palygorskite, (Palygorskite, also known as attapulgite) is a layer chain structure of water-containing magnesium-rich aluminum silicate clay minerals, currently used in petrochemical , new materials, catalysts and other fields have been widely used, such as the preparation and characterization of phenolic resin / attapulgite nanocomposites disclosed by Wu Jianru et al. (Plastic Industry, 2010, 38(2): 15-18), but in In terms of transfer coating, there is no similar report

Method used

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  • Palygorskite-modified aqueous transfer printing coating and preparation method thereof
  • Palygorskite-modified aqueous transfer printing coating and preparation method thereof
  • Palygorskite-modified aqueous transfer printing coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Step 1, the purification of palygorskite

[0040] Mix palygorskite powder and deionized water at a ratio of 1:20 (weight ratio), stir mechanically for 30 minutes, let stand for 1 hour, pour out the upper liquid, and repeat the operation 5 times.

[0041] After adding water, stir mechanically again for 30 minutes, pour out the upper layer of suspension, sonicate the suspension for 40 minutes, pour it into a clean tray to air dry naturally, ball mill for 30 minutes, and vacuum dry at 110°C for 2 hours.

[0042] Step 2, prepare transfer coating slurry

[0043] Cellulose resin 20kg;

[0044] Water-based polyurethane 40 kg;

[0045] Water-based acrylic resin 40 kg;

[0046] Mix the above water-based resins.

[0047] Step 3, add palygorskite

[0048] 1 kg of palygorskite purified in step 1 was added to the slurry and stirred for 2 hours, and discharged.

[0049] Step 4, Coating

[0050] The mixture obtained in step 3 is coated on a coating machine.

[0051] At the sam...

Embodiment 2

[0056] Step 1, cationic surfactant modified palygorskite

[0057] The cationic surfactant is exemplified by cetyltrimethylammonium bromide.

[0058] Mix palygorskite powder and deionized water in a ratio of 1:20 (weight ratio) to prepare palygorskite suspension, raise the temperature to 90°C, add cetyltrimethylammonium bromide (mass 2% of the mass of palygorskite), stirred and reacted; the pH value was adjusted to 9, the obtained slurry was filtered, washed, then dried and pulverized to obtain cationic surfactant-modified palygorskite powder.

[0059] Step 2, prepare transfer coating slurry

[0060] Cellulose resin 20kg;

[0061] Water-based polyurethane 40 kg;

[0062] Water-based acrylic resin 40 kg;

[0063] Mix the above water-based resins.

[0064] Step 3, add palygorskite

[0065] Add 1kg of palygorskite modified in step 1 into the slurry and stir for 2h, then discharge.

[0066] Step 4, Coating

[0067] The mixture obtained in step 3 is coated on a coating machi...

Embodiment 3

[0073] Step 1, silane coupling agent modified palygorskite

[0074] The silane coupling agent is γ-aminopropyltriethoxysilane as an example.

[0075] Mix palygorskite powder and deionized water in a ratio of 1:10 (weight ratio) to prepare palygorskite suspension, raise the temperature to 90°C, add γ-aminopropyltriethoxysilane (mass is 10% of the mass of attapulgite), stirred and reacted; the obtained slurry was filtered, washed, then dried and pulverized to obtain palygorskite powder modified by a silane coupling agent.

[0076] Step 2, prepare transfer coating slurry

[0077] Cellulose resin 20kg;

[0078] Water-based polyurethane 40 kg;

[0079] Water-based acrylic resin 40 kg;

[0080] Mix the above water-based resins.

[0081] Step 3, add palygorskite

[0082] Add 1kg of palygorskite modified in step 1 into the slurry and stir for 2h, then discharge.

[0083] Step 4, Coating

[0084] The mixture obtained in step 3 is coated on a coating machine.

[0085] At the sa...

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Abstract

The invention relates to an aqueous transfer printing coating. Palygorskite is used to modify the aqueous transfer printing coating, so the prepared coating has high heat resistance, stripping performance and mechanical strength. The raw material of the palygorskite used in the invention is readily available, the cost is low, and the preparation method of the transfer printing coating is simple and suitable for industrial production.

Description

technical field [0001] The invention relates to a paint, in particular to a palygorskite-modified water-based transfer coating, and a preparation method of the coating. Background technique [0002] Thermal transfer printing is a special printing process that prints the pattern on the heat-resistant adhesive paper, and prints the pattern of the ink layer on the finished material by heating and pressing. Due to its corrosion resistance, impact resistance and aging resistance , wear-resistant, fire-resistant, and can be used outdoors without changing color for 15 years. Thermal transfer technology is widely used in the fields of electrical appliances, daily necessities, and decoration of building materials, and almost all commodities are labeled in this way. Since the transfer printing operation is only a process, even if it is a multi-color pattern, it can shorten the printing pattern operation time and reduce the loss of materials (finished products) caused by printing error...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D101/02C09D175/04C09D133/00C09D7/12
Inventor 邓德纯吴建儒
Owner 浙江驰怀烫印科技股份有限公司
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