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Starch adhesive suitable for high-speed corrugated paper board production line and preparation method of starch adhesive

A technology for starch adhesives and corrugated cardboard, applied in the direction of starch adhesives, polymer adhesive additives, non-polymer adhesive additives, etc., can solve the problem of long heating and drying time, low paper feeding speed, The problem of high raw material cost can save the amount of glue, improve the compressive strength and lower the gelatinization temperature.

Active Publication Date: 2019-08-09
江苏晟泰集团公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] For low-speed corrugated lines, the paper-feeding speed is low, and the heating and drying time is long, so only high-weight base paper can be used, and the cost of raw materials is high

Method used

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  • Starch adhesive suitable for high-speed corrugated paper board production line and preparation method of starch adhesive
  • Starch adhesive suitable for high-speed corrugated paper board production line and preparation method of starch adhesive
  • Starch adhesive suitable for high-speed corrugated paper board production line and preparation method of starch adhesive

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A starch adhesive suitable for a high-speed corrugated board production line, consisting of the following raw materials and their mass fractions:

[0032]

[0033]

[0034] A kind of preparation method that is applicable to the starch adhesive of high-speed corrugated cardboard production line, comprises the steps:

[0035] The first step, the preparation of carrier starch:

[0036] A. Add measured water into the carrier reaction tank and heat to 35°C;

[0037] B, continue to add cornstarch in the carrier reaction tank, stir by the frequency conversion turbine stirring impeller, the stirring speed is 500~1000 rpm, and the stirring time is 500 seconds;

[0038] C, after sodium hydroxide is dissolved in water, obtain the sodium hydroxide solution that concentration is 99.0%, add in the carrier reaction tank three times and stir, stirring speed is 1000~1500 rev / min, and stirring time is 500 seconds, thus obtains Starch paste gelatinized under alkaline conditions; ...

Embodiment 2

[0049] A starch adhesive suitable for a high-speed corrugated board production line, consisting of the following raw materials and their mass fractions:

[0050]

[0051] A kind of preparation method that is applicable to the starch adhesive of high-speed corrugated cardboard production line, comprises the steps:

[0052] The first step, the preparation of carrier starch:

[0053] A. Add measured water into the carrier reaction tank and heat to 40°C;

[0054] B, continue to add cornstarch in the carrier reaction tank, stir by the frequency conversion turbine stirring impeller, the stirring speed is 500~1000 rpm, and the stirring time is 500 seconds;

[0055] C, after sodium hydroxide is dissolved in water, obtain the sodium hydroxide solution that concentration is 99.0%, add in the carrier reaction tank three times and stir, stirring speed is 1000~1500 rev / min, and stirring time is 500 seconds, thus obtains Starch paste gelatinized under alkaline conditions;

[0056] Sec...

Embodiment 3

[0066] A starch adhesive suitable for a high-speed corrugated board production line, consisting of the following raw materials and their mass fractions:

[0067]

[0068] A kind of preparation method that is applicable to the starch adhesive of high-speed corrugated cardboard production line, comprises the steps:

[0069] The first step, the preparation of carrier starch:

[0070] A. Add measured water into the carrier reaction tank and heat to 38°C;

[0071] B, continue to add cornstarch in the carrier reaction tank, stir by the frequency conversion turbine stirring impeller, the stirring speed is 500~1000 rpm, and the stirring time is 500 seconds;

[0072] C, after sodium hydroxide is dissolved in water, obtain the sodium hydroxide solution that concentration is 99.0%, add in the carrier reaction tank three times and stir, stirring speed is 1000~1500 rev / min, and stirring time is 500 seconds, thus obtains Starch paste gelatinized under alkaline conditions;

[0073] Sec...

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Abstract

The invention discloses a starch adhesive suitable for a high-speed corrugated paper board production line. The starch adhesive comprises a starch carrier and a main starch body, the mass ratio of thestarch carrier to the main starch body is 0.9-1.1, the starch carrier comprises water, sodium hydroxide and starch, and the main starch body comprises water, sodium hydroxide, borax, polyoxypropyleneoxyethylene glycol ether and starch; the starch is any one of corn starch or cassava starch, and when the corn starch is selected as the starch in the starch carrier, the corn starch is selected as the corresponding starch in the main starch body; when the cassava starch is selected as the starch in the starch carrier, the cassava starch is selected as the corresponding starch in the main starchbody. In this way, the prepared starch adhesive can be applied to the high-speed corrugated paper board production line at the speed of 300 M / min, compared with an adhesive used for an ordinary low-speed corrugated paper board production line, the adhesion strength of a corrugated paper board prepared by the production line is improved by 20%, the comprehensive strength of the corrugated paper board is improved by 10%, the adhesive application amount is reduced by 10% or above, the gelatinization temperature is only 54 DEG C, and the temperature of a drying part is reduced by 20 DEG C.

Description

technical field [0001] The invention relates to the technical field of corrugated cardboard adhesives, in particular to a starch adhesive suitable for high-speed corrugated cardboard production lines and a preparation method thereof. Background technique [0002] The corrugated cardboard production line is the most important production line in carton packaging enterprises. The typical processes included in a single corrugated cardboard production line are: the roll base paper is pressed and corrugated, glued, bonded and shaped, crimped and separated, cut into standard cardboard, stacked Code output, etc.; according to its equipment characteristics, it can be divided into three parts: wet part, dry part and production control system. [0003] In 1968, the American Langston Company and the American Coppal Company respectively launched modern corrugated cardboard production lines with a width of 2.2M and a production speed of over 200M / min. With the continuous development of g...

Claims

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Application Information

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IPC IPC(8): C09J103/02C09J11/04C09J11/08C08B30/12
CPCC08B30/12C08K2003/387C08L2205/025C08L2205/03C09J11/04C09J11/08C09J103/02C08L3/02C08L71/02C08K3/38
Inventor 顾永元姜初林吴国清
Owner 江苏晟泰集团公司
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