High-solid content quick-drying modified starch lap adhesive and preparation method thereof

A fast-drying, high-solid-content technology, applied in the direction of starch adhesives, adhesive types, non-polymer adhesive additives, etc., can solve the problem of decreased fluidity of starch adhesives, difficulty in machine movement, and unsuitability for high-speed cigarettes Machine and other problems, to reduce preparation time, reduce costs, save electricity

Active Publication Date: 2013-08-28
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

Starch is almost insoluble in water, and the solubility of starch under heating conditions does not exceed 50%. To prepare starch glue with high solid content, a certain amount of inorganic substances can be added as fillers, but this wi

Method used

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  • High-solid content quick-drying modified starch lap adhesive and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Take 18.52 kg of deionized water and add it to the reaction kettle, turn on the stirring device, set the stirring speed to 200 rpm, slowly add 14.96 kg of corn starch and 0.012 kg of α-starch liquefying enzyme into the kettle, and stir for 5 minutes Finally, turn on the heating device, set the oxidation temperature to 50°C, and continue to add 1.28 kg of NaClO to the kettle, stir for 10 minutes, and set the gelatinization temperature to 92°C again. After the temperature reaches, add 1.8 kg of NaOH in sequence , 3.2 kg of nano sepiolite powder and 0.024 kg of N-hydroxyethyl acrylamide, stirred for 0.8 hours, high-temperature enzyme inactivation was carried out while the gelatinization reaction was completed, and then 0.04 kg of 1,2-benzisothiazole was added -3-ketone and 0.16 kg of absolute ethanol, continue to stir for 0.6 hours and leave it to cool and discharge to obtain 40 kg of high-solid fast-drying modified starch lap glue.

[0027] After testing, the solid conten...

Embodiment 2

[0029] Take 27.7 kg of deionized water and add it to the reaction kettle, turn on the stirring device, set the stirring speed to 240 rpm, slowly add 23.1 kg of tapioca starch and 0.012 kg of α-starch liquefying enzyme into the kettle, and stir for 6 minutes Finally, turn on the heating device, set the oxidation temperature to 52°C, and continue to add 1.2 kg of NaClO to the kettle, stir for 12 minutes, and set the gelatinization temperature to 93°C again. After the temperature reaches, add 2.4 kg of NaOH in sequence , 5.4 kg of nano sepiolite powder and 0.03 kg of N-hydroxyethyl acrylamide, stirred for 0.8 hours, high-temperature enzyme inactivation was carried out while the gelatinization reaction was completed, and then 0.036 kg of 1,2-benzisothiazole was added -3-ketone and 0.12 kg of dehydrated alcohol, continue to stir for 0.6 hours and leave it to cool to discharge, so as to obtain 60 kg of high-solid quick-drying modified starch lap glue.

[0030] After testing, the sol...

Embodiment 3

[0032] Take 36.5 kg of deionized water and add it to the reaction kettle, turn on the stirring device, set the stirring speed to 260 rpm, slowly add 31.28 kg of corn starch and 0.016 kg of α-starch liquefying enzyme into the kettle, and stir for 8 minutes Finally, turn on the heating device, set the oxidation temperature to 51°C, and continue to add 2.4 kg of NaClO to the kettle, stir for 10 minutes, and set the gelatinization temperature to 92°C again. After the temperature reaches, add 3.68 kg of NaOH in sequence , 5.6 kilograms of nano sepiolite powder and 0.056 kilograms of N-hydroxyethylacrylamide, stirred for 0.5 hours, carried out high-temperature enzyme inactivation while completing the gelatinization reaction, and then added 0.064 kilograms of 1,2-benzisothiazole -3-ketone and 0.4 kg of absolute ethanol, continue to stir for 0.5 hours and then leave it to cool and discharge to obtain 80 kg of high-solid quick-drying modified starch lap glue.

[0033] After testing, th...

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Abstract

The invention relates to a high-solid content quick-drying modified starch lap adhesive and a preparation method thereof. The lap adhesive has solid content of 52 to 55%, a pH value of 8.2 to 8.5 and viscosity of 816 to 843 mPa.s. The high-solid content quick-drying modified starch lap adhesive is prepared from the following raw materials by weight: 37.4 to 42.5% of starch, 0.02 to 0.03% of amylase, 2 to 3.2% of NaClO, 6 to 9% of meerschaum powder, 3.5 to 4.6% of a gelatinization agent, 0.05 to 0.07% of a cross-linking agent, 0.06 to 0.1% of an antiseptic, 0.2 to 0.5% of a defoaming agent and 45 to 47% of deionized water. According to the invention, since the nanometer meerschaum powder is added and a proper amount of amylase is added in preparation of a starch glue, the lap adhesive is green and environment-friendly, has good initial adhesion and a fast drying speed, completely accords with four standards for adhesives for cigarettes and is applicable to a high speed cigarette maker.

Description

technical field [0001] The invention relates to a high-solid-content quick-drying modified starch mouth glue and a preparation method thereof, belonging to the field of cigarette adhesives. Background technique [0002] Lap-lap glue is an adhesive used to bond the longitudinal joints of cigarettes. With the increasing popularity of high-speed cigarette machines in China, the speed of cigarettes has increased from 7000-8000 cigarettes per minute to more than 12000 cigarettes per minute. drying speed. The drying speed is determined by the solid content and fluidity of the colloid. The higher the solid content, the better the fluidity, and the faster the drying speed of the colloid. [0003] Most of the cigarette glue produced in the prior art is mainly based on EVA, and the adhesion is enhanced by adding polyvinyl alcohol (referred to as PVA), and the fluidity is improved by adding phthalates as plasticizers, as written by Hou Qiong et al. "EVA Emulsion Modification to Prod...

Claims

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Application Information

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IPC IPC(8): C09J103/02C09J11/04C09J11/06
Inventor 邢青涛黄宏存宋军军
Owner HAINAN BNK WATER BASED NEW MATERIAL CO LTD
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