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Starch adhesive for spiral pipe and preparation method thereof

A starch adhesive, a useful technology, used in starch-derived adhesives, adhesive types, polymer adhesive additives, etc. Suitable for mass production, bad problem solving, good water resistance

Inactive Publication Date: 2019-07-23
河南汇泉生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the high humidity in some areas, the cardboard bonded by starch adhesives produced by major manufacturers will be soft and have poor bonding effects, which greatly limits the use of starch adhesives

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0026] The present invention also provides a method for preparing a starch adhesive for a spiral tube, which is used to prepare the starch adhesive for a spiral tube described in the above embodiments, comprising the following steps:

[0027] Step S1: Add the oxidized starch, desiccant and tackifier into the reaction kettle at the same time, stir for 20 minutes to make it evenly mixed;

[0028] Step S2: Add water to the above mixed powder, and continue stirring for 5-10 minutes;

[0029] Step S3: Mix the pasting agent, crosslinking agent and stabilizer with 5 kg of water to melt evenly, then pour it into the liquid in step S2, and continue to stir for 10 minutes;

[0030] Step S4: After stirring, the starch adhesive is obtained.

[0031] Specifically, in step S1, 14 kg of oxidized starch, 11.5 kg of calcium carbonate, and 0.5 kg of resin were added to the reactor, and the rotating speed of the stirring blades in the reactor was set to 80 r / min.

[0032] In step S3, firstly m...

Embodiment 1

[0035] In the preparation process of a starch adhesive for spiral tubes, 14 kg of oxidized starch, 9 kg of calcium carbonate and 0.6 kg of resin were added to the reaction kettle at the same time, stirred for 20 minutes to make it evenly mixed, and the rotating speed of the stirring blade in the reaction kettle Set to 80r / min;

[0036] Add 45kg of water to the above mixed powder, and continue to stir for 5-10min;

[0037] Mix 1.5kg of caustic soda, 0.4kg of borax and 0.5kg of stabilizer and melt it evenly with 5kg of water, then pour it completely into the above liquid, and continue stirring for about 10 minutes;

[0038] After the stirring is completed, the finished starch adhesive is obtained.

[0039] In this preparation process, the amount of each additive is too small, the amount of water is too much, and the viscosity of the obtained starch adhesive is on the low side, which is suitable for a relatively dry environment. The viscosity of the above-mentioned adhesive samp...

Embodiment 2

[0041] In the preparation process of a starch adhesive for spiral tubes, 14 kg of oxidized starch, 12 kg of calcium carbonate and 0.4 kg of resin were added to the reactor at the same time, stirred for 20 minutes to make them evenly mixed, and the rotating speed of the stirring blades in the reactor was Set to 80r / min;

[0042] Add 30kg of water to the above mixed powder, and continue to stir for 5-10min;

[0043] Mix 2 kg of caustic soda, 0.6 kg of borax and 0.5 kg of stabilizer and melt it evenly with 5 kg of water, then pour it completely into the above liquid, and continue stirring for about 10 minutes;

[0044] After the stirring is completed, the finished starch adhesive is obtained.

[0045] In this preparation process, the amount of each additive is too much, the amount of water is too small, and the viscosity of the obtained starch adhesive is relatively high, which is suitable for a relatively humid environment. The viscosity of the above-mentioned adhesive sample i...

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Abstract

The invention discloses a starch adhesive for a spiral pipe. The starch adhesive is prepared from the following components in parts by mass: 14 parts of oxidized starch, 9 to 12 parts of a drying agent, 0.4 to 0.6 part of a tackifier, 1.5 to 2 parts of a gelatinization agent, 0.4 to 0.6 part of a crosslinking agent, 0.5 part of a stabilizer and 30 to 50 parts of water. The starch adhesive for thespiral pipe adopts a novel adhesive powder formula, and the specific tackifier and stabilizer are added, so that prepared glue has the characteristics of good water resistance, high bonding strength and the like, and therefore, bad problems caused by the fact that the adhesive is used in a humid region are solved; in addition, a preparation technology of the starch adhesive is simple and easy to operate and is suitable for large-scale production. The invention further discloses a preparation method of the starch adhesive for the spiral pipe.

Description

technical field [0001] The invention relates to the field of starch adhesive preparation, in particular to a starch adhesive for spiral tubes and a preparation method thereof. Background technique [0002] With the decrease of petroleum resources, the chemical products using petroleum as raw materials began to be severely restricted, so people began to look for substitutes, and starch, an agricultural and sideline product that is extremely rich in natural resources, has aroused people's interest. As a natural adhesive, starch adhesive has been paid more and more attention by people. Starch is a kind of natural polymer material, which is rich in resources, cheap in price, widely used, non-toxic, odorless and pollution-free. [0003] At present, most domestic cardboard and carton manufacturers use starch adhesives, which have different production methods, proportions, equipment, and raw materials, and their quality is also different. Due to the high humidity in some areas, th...

Claims

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Application Information

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IPC IPC(8): C09J103/10C09J11/04C09J11/08
CPCC08K2003/265C08K2003/3063C08K2003/387C08L2203/18C09J11/04C09J11/08C09J103/10C08L101/00C08K3/00C08K3/26C08K3/38C08K3/30
Inventor 李博苏雷生
Owner 河南汇泉生物科技有限公司