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Gluing process and material formula by two-step method in the same pot

A technology of formulation and steps, applied in adhesive types, non-polymer adhesive additives, adhesive additives, etc., can solve the problem that starch molecular particles cannot be completely gelatinized, are not suitable for high-speed cardboard production lines, and have poor glue fluidity, etc. problem, to achieve good paste effect, reduce operation control process, and good stickiness

Inactive Publication Date: 2007-09-05
颜水平 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

High viscosity glue has poor fluidity, difficult penetration, low viscosity, fast penetration, the starch molecular particles in the glue cannot be completely gelatinized, and the adhesion is not strong. The existing production line also uses additives to control the viscosity.
[0007] The solid content is the percentage of starch, starch and water in the glue. The current cardboard production line formula uses less starch and more water, which is not suitable for high-speed cardboard production lines.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] According to the calculation of 1000Kg of each batch of glue produced, the total formula of each raw material weight ratio is: water 68%, starch 32%, caustic soda accounts for 2.5% of the total starch amount, and borax accounts for 1% of the total starch amount.

[0022] Carrier formula: water accounts for 30% of the total water content, starch accounts for 8% of the total starch content, and caustic soda accounts for 2.5% of the total starch content;

[0023] Main formula: water accounts for 70% of the total water content, starch accounts for 92% of the total starch content, and borax accounts for 1% of the total starch content.

Embodiment 2

[0025] Total formula is the same as embodiment 1, and carrier and main body formula are:

[0026] Carrier formula: water accounts for 33% of the total water content, starch accounts for 12% of the total starch content, and caustic soda accounts for 2.5% of the total starch content;

[0027] Main formula: water accounts for 67% of the total water content, starch accounts for 88% of the total starch content, and borax accounts for 1% of the total starch content.

Embodiment 3

[0029] Total formula is the same as embodiment 1, and carrier and main body formula are:

[0030] Carrier formula: water accounts for 37% of the total water content, starch accounts for 10% of the total starch content, and caustic soda accounts for 2.5% of the total starch content;

[0031] Main formula: water accounts for 63% of the total water content, starch accounts for 90% of the total starch content, and borax accounts for 1% of the total starch content.

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PUM

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Abstract

A gluing process by two-step method and its raw-material formula are disclosed. The raw material formula consists of total water 68-76wt%, total starch 24-32wt%, sheet base 1.5-3.2wt% of total starch and borax 1-2wt% of total starch. The process is carried out by adding into carrier water 30-45wt% of total water, heating to 30-45degree, adding into carrier starch 8-16wt% of total starch, adding into sheet base, agitating while shearing to obtain carrier, adding residual water into water, agitating, adding into residual starch and borax and agitating to obtain the final product. It's simple, cheap and controllable, has fast permeating and curing speed.

Description

technical field [0001] The invention belongs to the technical field of starch glue making, in particular to a two-step carrier glue glue making process and the glue formula of the process. Background technique [0002] In the corrugated cardboard production line, the adhesive glue has its own characteristics and importance. With the increase of the speed of the corrugated cardboard production line, the glue must penetrate into the cardboard at a faster speed for paste bonding. Under the action of a certain lye, starch forms a mixture including water and starch, thereby reducing the gelatinization point of starch itself [0003] At present, there are two-step glue production and one-step glue production in the corrugated cardboard production line. The characteristic is that the two-step glue production is completed in two tanks. The upper tank is used to make the carrier, and the lower tank is used to make the main body. After the carrier is made, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J103/02C09J11/04
Inventor 颜水平
Owner 颜水平
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