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Preparation process of adhesive for high-speed machanical labelling

An adhesive and mechanical technology, which is used in the preparation of high-speed mechanical labeling adhesives, can solve the problems of poor rheology, difficult sizing, unstable viscosity storage, etc., so as to reduce production costs, improve rheology and performance. improved effect

Inactive Publication Date: 2005-01-05
HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a preparation method of high-speed mechanical labeling adhesive, which solves the problems of unstable viscosity storage, poor rheology, and difficult sizing when preparing adhesives by traditional methods, and improves product transparency and Whiteness, while also eliminating the pungent odor of the product

Method used

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  • Preparation process of adhesive for high-speed machanical labelling

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Use Lanzhou Hualing brand yak milk series industrial refined first-grade casein, with a protein content of 85%, add 4kg of cross-linking agent and 2kg of defoamer to 300kg of tap water, heat up and stir to dissolve, add 60kg of urea and cornstarch at 40°C 10kg, stirred at 50°C for 30min to modify the starch, then added 120kg of yak milk casein, and heat gelatinized at about 75°C for 1.5h. Then lower the temperature to 65°C and add 6 kg of trisodium phosphate decahydrate, adjust the pH value of the system to 6.5-7.5 with a small amount of ammonia water, and liquefy for 30 minutes. Add 3kg of sodium diacetate antifungal agent to disinfect and sterilize for 10 minutes, cool down to 40°C, use 7kg of ammonium sulfite for rheological treatment, and unload to obtain 513kg of adhesive products with a total solid content of 48% and a viscosity of 80-90Pa·s. High-speed mechanical labeling in summer.

Embodiment 2

[0018] Use Lanzhou Hualing brand yak milk series industrial first-grade casein, with a protein content of 83%, add 4kg of crosslinking agent and 1.kg of defoamer to 350kg of tap water, heat up and stir to dissolve, add 100kg of urea at 45°C, 15kg of corn starch was modified by stirring at 50°C for 30 minutes, then 90kg of yak milk casein was added, and heat-gelatinized at about 75°C for 1 hour. Add 2kg of sodium diacetate as an anti-mold and fungicide, then cool down to 60°C, add 5kg of trisodium phosphate decahydrate, adjust the pH value of the system to 7-7.5 with concentrated ammonia water, and liquefy for 30 minutes. Use 6kg of ammonium sulfite to increase rheology , transparency and whiteness, 571kg of adhesive products were obtained from unloading, with a total solid content of 41% and a viscosity of 35-45Pa·s, suitable for high-speed mechanical labeling in winter.

Embodiment 3

[0020] Use industrial grade casein from yak milk produced in Xining, Qinghai, with a protein content of 84%, add 4kg of water-resistant additives and 2.5kg of defoamer to 350kg of tap water, heat up and stir to dissolve, add 100kg of urea and 12kg of cornstarch at 40°C, Stir at 50°C for starch modification for 30 minutes, then add 110kg of yak milk cheese, and heat and liquefy at about 75°C for 1.0h. Add 3kg of sodium diacetate as an antifungal agent, then cool down to 65°C and add 5kg of trisodium phosphate decahydrate, adjust the pH of the system to 6.5-7 with ammonia water, and liquefy for 60 minutes. When the temperature is lowered at 40°C, 6kg of ammonium sulfite is used for rheology, transparency, and whiteness treatment, and 592kg of adhesive products are obtained after unloading, with a total solid content of 45% and a viscosity of 60-70Pa·s, suitable for high-speed machinery in spring and autumn Labeling.

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Abstract

The invention discloses a high-speed mechanical labeling adhesive preparing method, adopting yak milk system casein and corn starch as main raw materials, and assorted with tap water and urea, and the additive includes cross-linking agent, liquefier, rheological control agent defoamer, etc. It places raw materials in a reaction kettle and raises temperature, stirs and gelatinizes, uses the liquefier to regulate pH value at 6.5-7.5 for liquefying, lowers temperature to 40 deg.C, an then makes rheological processing by the rheological control agent to prepare it. The characters: 1, it remarkably reduces the production cost; 2, it overcomes the difficult problem of bad storage stability caused by product viscosity and rheological property in preparing. It has the characters of simple process, and easy for industrialized implementation, etc.

Description

technical field [0001] The invention relates to a preparation method of a high-speed mechanical labeling adhesive, which belongs to the technical field of fine chemicals. Background technique [0002] The research and development of adhesives for mechanized labeling of trademarks in the beer and beverage industry With its rapid development, new varieties continue to emerge. In the prior art, CN1047521 patent has reported the method for preparing inorganic trademark bonding with sodium silicate; CN1052497 has introduced and prepared a kind of mechanized labeling adhesive with yellow dextrin; CN1059352 patent has proposed to prepare mechanized labeling with starch The way of mixture; CN1104670 patent has introduced the preparation process of water-soluble macromolecular material manufacturing mechanized labeling adhesive. The beer bottle mechanized labeling adhesive introduced in the above-mentioned documents and the HG type series beer bottle label adhesive developed by the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J189/00
Inventor 杨久义张士莹
Owner HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY
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