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A kind of food-grade konjac glucomannan adhesive tape and preparation method thereof

A konjac glucomannan, food-grade technology, applied in the field of daily necessities, can solve the problems of not being suitable for use in the food industry, and achieve the effects of low cost, good ventilation, and good adhesion

Active Publication Date: 2020-11-06
FUJIAN AGRI & FORESTRY UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this context, PVC, plastic and other tapes are obviously not suitable for use in the food industry.

Method used

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  • A kind of food-grade konjac glucomannan adhesive tape and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Embodiment 1 A kind of preparation method of food grade konjac glucomannan tape

[0034] A preparation method of food-grade konjac glucomannan adhesive tape, comprising the following steps:

[0035] (1) Dissolving zein: Prepare according to parts by mass, take 2 parts of zein, dissolve in 10 parts of ethanol solution with a volume ratio of 70%, stir at 250r / min for not less than 10min, and obtain a zein solution;

[0036] (2) Dissolving nanocellulose: 1 part of nanocellulose was dissolved in 5 parts of distilled water, and ultrasonically oscillated until the nanocellulose was dissolved to obtain a nanocellulose solution;

[0037] (3) Preparation of mixed sol: Dissolve 0.5 parts of sodium carbonate in 100 parts of distilled water, add 10 parts of konjac purified powder while stirring to obtain konjac sol; add the corn protein solution in step (1) to konjac sol, and then add step (2) The nanocellulose solution was mechanically stirred for 20 minutes to obtain a mixed sol...

Embodiment 2

[0042] Embodiment 2 A kind of preparation method of konjac glucomannan food-grade adhesive tape

[0043] A preparation method of konjac glucomannan food-grade adhesive tape, comprising the following steps:

[0044] (1) Dissolving zein: Prepare according to parts by mass, take 3 parts of zein, dissolve in 15 parts of ethanol solution with a volume ratio of 70%, stir at 400r / min for not less than 10min, and obtain a zein solution;

[0045] (2) Dissolving nanocellulose: dissolve 3 parts of nanocellulose in 10 parts of distilled water, and ultrasonically vibrate until the nanocellulose dissolves to obtain a nanocellulose solution;

[0046] (3) Preparation of mixed sol: Dissolve 0.5 parts of sodium carbonate in 100 parts of distilled water, add 10-30 parts of konjac purified powder while stirring to obtain konjac sol; add the corn protein solution in step (1) into the konjac sol, and then Add the nanocellulose solution in step (2), and mechanically stir for 30 minutes to obtain a ...

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Abstract

The invention relates to a food grade konjac glucomannan adhesive tape and a preparation method thereof. The food grade konjac glucomannan adhesive tape contains an adhesive tape base material and glue sol. The preparation method comprises the following steps: preparing dissolved corn protein, dissolved nano-cellulose and mixed sol, preparing base material layer sol and the adhesive tape base material, preparing the glue sol, and preparing the food grade konjac glucomannan adhesive tape. The food grade konjac glucomannan adhesive tape has the functions of common glue and further has the characteristics that the transparency is high, the adhesive tape can be in direct contact with foods and can be degraded, and the like. Meanwhile, the change of the adhesion strength along the changes of the temperature and the time is relatively small, the adhesive tape has relatively good adhesion stability and does not have adhesive residue. The adhesive tape further has a certain waterproof functionand still has relatively good adhesive property under a relatively high humidity.

Description

technical field [0001] The invention relates to an adhesive tape and a preparation method thereof, in particular to a food-grade konjac glucomannan adhesive tape and a preparation method thereof, belonging to the technical field of daily necessities. Background technique [0002] Adhesive tape is composed of base material and adhesive, and two or more unconnected objects are connected together by bonding. Food-grade tape materials are generally used for processing, sorting, preserving, packaging or transporting food and medicine, and are suitable for direct and indirect contact with food. The adhesive tape is widely used, beautiful and simple, and convenient for mechanical operation. Environmentally friendly and degradable food-grade adhesive tape has broad market prospects. At present, there is no food-grade tape that meets the needs of the market in China, mainly because of high cost and immature technology. Adhesive tapes on the market usually use BOPP biaxially oriente...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J7/20C09J105/00C08L5/02C08L89/00C08L1/02
CPCC08L1/02C08L89/00C09J7/20C09J7/201C09J105/00C09J2301/122C09J2301/41C09J2405/006C08L5/00
Inventor 庞杰吴丹李源钊胡碧清杜雨林婉媚郑君溁倪永升
Owner FUJIAN AGRI & FORESTRY UNIV
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