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Corrugated carton penetrant made of tannin of natural quebrachos and preparation method of corrugated carton penetrant

A penetrating agent and hardwood technology, which is applied in the field of natural hardwood denim corrugated carton penetrating agent and its preparation, can solve problems such as inability to bond, poor adhesion of high-quality paper, etc., to avoid degumming, solve degumming phenomenon, and increase vehicle speed Effect

Inactive Publication Date: 2012-10-24
上海荷沪生物科技有限公司
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AI Technical Summary

Problems solved by technology

[0006] In view of the above problems, the present invention provides a natural hardwood tannin corrugated carton penetrant and its preparation method, which can overcome the problem of poor adhesion of high-quality paper or other papers that cannot be bonded. Improve processing efficiency and reduce the amount of gluing, thereby effectively improving product quality and significantly reducing production costs

Method used

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  • Corrugated carton penetrant made of tannin of natural quebrachos and preparation method of corrugated carton penetrant
  • Corrugated carton penetrant made of tannin of natural quebrachos and preparation method of corrugated carton penetrant
  • Corrugated carton penetrant made of tannin of natural quebrachos and preparation method of corrugated carton penetrant

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Embodiment 1

[0019] A natural hardwood tannin corrugated carton penetrant is a chemically modified tannin, which is a sulfurous acid polymer, and its structural formula is:

[0020]

Embodiment 2

[0022] A preparation method of a natural hardwood tannin corrugated box penetrating agent, comprising the following steps:

[0023] A. Add 89% tannin and 11% sodium sulfite to the mixing box to stir, the temperature in the box is controlled at 100-120°C, and stir for 30 minutes;

[0024] B. Add the above-mentioned substances into the SS304 reactor for chemical reaction, control the temperature at 90-100°C, and react for 8 hours;

[0025] C. Spray drying.

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Abstract

The invention relates to the technical field of corrugated board processing, in particular to a corrugated carton penetrant made of tannin of natural quebrachos and a preparation method of the corrugated carton penetrant. The corrugated carton penetrant made of the tannin of the natural quebrachos is a natural board degumming prevention agent obtained after special chemical modification of a tannin product of a natural polyphenol structure extracted from the natural quebrachos grown in northeast of Argentina, is a natural product integrating unique penetrability, water resistance and natural viscosity, and is widely applied to corrugated boards with the degumming problem due to high fiber density and overlarge paper surface tension. Besides, the unique natural penetrability of the corrugated carton penetrant perfectly solves the problem of degumming of the corrugated boards.

Description

technical field [0001] The invention relates to the technical field of corrugated cardboard processing, and in particular provides a natural hardwood tannin corrugated carton penetrant and a preparation method thereof. Background technique [0002] Under the existing technology, in the production of corrugated cardboard, the two reasons that lead to cardboard degumming are: [0003] 1. Due to the excessive surface tension of the paper, it is difficult for the glue to penetrate into the paper. [0004] 2. Since the paper contains low air density and high fiber density, the temperature on the preheater will be quickly transferred to the paper. Therefore, it is necessary to lower the wrap angle of the preheater during operation to prevent excessive glue gelatinized. [0005] Under the current technology, there is no suitable method to assist in solving the technical problem of cardboard degumming. Contents of the invention [0006] In view of the above problems, the presen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J11/08C08G61/12
Inventor 黄加珍
Owner 上海荷沪生物科技有限公司
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