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High thermal-sealing type acrylic coating special for cigarette film and preparation method thereof

A technology of acrylic acid and acrylic acid ester, applied in the direction of coating, can solve the problem of heat sealing performance, printing performance can not reach the paperless carton strip packaging film and other problems, achieve good compatibility of general additives, stable polymerization system, easy to control Effect

Inactive Publication Date: 2012-08-29
HAINAN BNK WATER BASED NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional cigarette film on the market is generally double-sided heat-sealed biaxially oriented polypropylene film, which cannot meet the requirements of carton-free cigarette film in terms of heat-sealing performance, especially printing performance.

Method used

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  • High thermal-sealing type acrylic coating special for cigarette film and preparation method thereof
  • High thermal-sealing type acrylic coating special for cigarette film and preparation method thereof
  • High thermal-sealing type acrylic coating special for cigarette film and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Prepare raw materials according to the following components (unit: kg)

[0023]

[0024] Synthetic method: First, mix 0.02kg sodium dodecylbenzenesulfonate and 0.01kg sodium alkyl succinate sulfonate with all monomers and stir for 40 minutes, and control the stirring speed at 200 rpm to obtain pre-emulsion A; 0.03 Dissolve kg of potassium persulfate with 1 kg of deionized water to form solution B. Add 5% pre-emulsion A, 25% solution B and 8kg deionized water into the reactor, control the stirring speed at 160 rpm, raise the temperature to 82°C and react for about 0.5 hours to obtain the seed emulsion. Start to add the remaining pre-emulsion A and the remaining solution B dropwise, and finish dropping in 2.5 hours, and control the pre-emulsion A to finish dropping first. Keep the reaction at 86°C for 2 hours, lower the temperature to 65°C, increase the stirring speed to 250 rpm, add 0.3kg of ammonia water to adjust the pH value to 9.2, add 0.02kg of silicone defoamer...

Embodiment 2

[0026] Prepare raw materials according to the following components (unit: kg)

[0027]

[0028] Synthetic method: First, mix 0.16 kg sodium dodecylbenzene sulfonate and 0.08 kg sodium alkyl succinate sulfonate with all monomers and stir for 0.5 hours, and the stirring speed is controlled at 210 rpm to obtain pre-emulsion A; 0.07 Dissolve kg of sodium persulfate with 6 kg of deionized water to form solution B. Add 10% pre-emulsion A, 10% solution B, 0.25kg disodium hydrogen phosphate and 34kg deionized water into the reactor, control the stirring speed at 165 rpm, raise the temperature to 80°C and react for about 40 minutes to obtain the seed emulsion . Start to add the remaining pre-emulsion A and the remaining solution B dropwise, and finish dropping in 3 hours, and control the pre-emulsion A to finish dropping first. Keep the reaction at 85°C for 1.5 hours, lower the temperature to 60°C, increase the stirring speed to 230 rpm, add 1.8kg of ammonia water to adjust the pH...

Embodiment 3

[0030] Prepare raw materials according to the following components (unit: kg)

[0031]

[0032]

[0033] Synthetic method: First, mix 0.08kg sodium dodecylbenzenesulfonate and 0.02kg sodium alkyl succinate sulfonate with all monomers and stir for 1 hour, and the stirring speed is controlled at 200 rpm to obtain pre-emulsion A; 0.08 Dissolve kg of ammonium persulfate with 3 kg of deionized water to form solution B. Add 5% pre-emulsion A, 30% solution B, 0.13kg sodium bicarbonate and 18kg deionized water into the reactor, control the stirring speed at 160 rpm, raise the temperature to 85°C and react for about 0.5 hours to obtain a seed emulsion. Start to drop the remaining pre-emulsion A and remaining solution B, and finish dropping within 3.5 hours, and control the pre-emulsion A to finish dropping first. Keep the reaction at 87°C for 1 hour, lower the temperature to below 70°C, increase the stirring speed to 220 rpm, add 0.8kg of ammonia water to adjust the pH value to ...

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Abstract

The invention provides a high thermal-sealing type acrylic coating special for a cigarette film and a preparation method thereof. The coating comprises the following raw materials by weight percent: 8-10% of metacrylic acid ester, 7-9% of acrylic ester, 1-5% of crosslinking monomer, 0.5-2% of emulsifying agent, 0.1-0.4% of initiator, 0.1-1% of buffering agent, 0.05-0.2% of defoaming agent, 2-4% of ammonia water and 75-82% of de-ionizing water. The high thermal-sealing type acrylic coating has high thermal sealing property, high glossing degree and excellent printing property, and is widely suitable for the coating of the cigarette film.

Description

Technical field [0001] The invention relates to a special high-heat-sealing acrylic paint for cigarette film and a preparation method thereof, belonging to the field of polymer materials. Background technique [0002] In the context of sustainable development, with the continuous development of new flexible packaging materials and the improvement of packaging technology, the tobacco industry, which represents the forefront of packaging technology and materials, has put forward higher requirements for cigarette packaging in terms of environmental protection and conservation. Recently, in order to save materials and simplify the packaging process, the production of cartonless cigarette film has attracted people's attention. Therefore, the requirements for the printing performance, gloss performance and heat sealing performance of the cigarette film are also higher. The traditional cigarette film on the market is generally double-sided heat-sealed biaxially oriented polypropyl...

Claims

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Application Information

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IPC IPC(8): C09D133/12C09D133/10C09D133/08C08F220/14C08F220/18
Inventor 黄宏存邢青涛李明彪胡连芹朱清梅王恩飞
Owner HAINAN BNK WATER BASED NEW MATERIAL CO LTD
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