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Fast dry and cold setting starch strengthened glue and preparation method thereof

A technology for strengthening glue and starch, which is applied in the direction of starch adhesive, adhesive type, reinforcing agent addition, etc. It can solve the problems of slow bonding speed, low bonding strength, poor water resistance, etc., and achieve fast bonding speed, Strong waterproof performance, simple production equipment and process

Inactive Publication Date: 2009-03-25
李新桥
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the starch glue sold in the market has disadvantages such as slow bonding speed, low bonding strength, poor water resistance, and the need for heating during the bonding process.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Materials and proportions: corn starch 460kg, potassium pyroantimonate 3kg, dehydrated alum 10kg, light magnesium oxide 10kg, borax 16kg, solid sodium hydroxide 6kg, aluminum sulfate 2kg, polyvinyl alcohol 10kg, baking soda 5kg, water 1205kg.

[0015] Preparation: (1) Prepare component A: put the dehydrated alum into a drying furnace, raise the temperature to 135° C., after drying, drop to normal temperature and discharge, crush and sieve, and mix evenly with light magnesium oxide; (2) Preparation of component B: add 60kg cornstarch to 100kg water to prepare starch slurry; add sodium hydroxide aqueous solution (dissolve sodium hydroxide in 25kg water) for gelation; then add aluminum sulfate and mix at 70°C for 30 minutes , and mixed with 250kg of cold water, and stirred evenly; (3) Preparation of component C: dissolve potassium pyroantimonate in another container with 30kg of water, then dilute with 800kg of water at 35°C, add borax and 400kg of cornstarch, and mix evenl...

Embodiment 2

[0018] Materials and proportioning: corn starch 575kg, potassium pyroantimonate 4kg, dehydrated alum 6kg, light magnesium oxide 7kg, borax 6kg, solid sodium hydroxide 10kg, aluminum sulfate 1kg, polyvinyl alcohol 5kg, baking soda 8kg, water 1320kg.

[0019] Preparation: (1) Prepare component A: put the dehydrated alum into a drying furnace, raise the temperature to 135° C., after drying, drop to normal temperature and discharge, crush and sieve, and mix evenly with light magnesium oxide; (2) Prepare component B: add 25kg cornstarch to 90kg water to prepare starch slurry; add sodium hydroxide aqueous solution (dissolved sodium hydroxide with 30kg water) for gelatinization; then add aluminum sulfate, mix and stir at 68°C for 28 Minutes, and mixed with 280kg of cold water, stirred evenly; (3) Preparation of component C: dissolve 4kg of potassium pyroantimonate in another container with 20kg of water, then dilute with 900kg of water at 32°C, add borax and 550kg of cornstarch, Mix ...

Embodiment 3

[0022] Materials and proportions: corn starch 370kg, potassium pyroantimonate 2kg, dehydrated alum 15kg, light magnesium oxide 15kg, borax 10kg, solid sodium hydroxide 16kg, aluminum sulfate 0.6kg, polyvinyl alcohol 8kg, baking soda 2kg, water 1295kg .

[0023] Preparation: (1) Prepare component A: put the dehydrated alum into a drying furnace, raise the temperature to 135° C., after drying, drop to normal temperature and discharge, crush and sieve, and mix evenly with light magnesium oxide; (2) Prepare component B: add 70kg cornstarch to 120kg water to prepare starch slurry; add sodium hydroxide aqueous solution (dissolved sodium hydroxide with 35kg water) for gelatinization; then add aluminum sulfate, mix and stir at 72°C for 32 Minutes, and mixed with 200kg of cold water, stirred evenly; (3) Preparation of component C: Dissolve potassium pyroantimonate in another container with 40kg of water, then dilute with 900kg of water at 37°C, add borax and 300kg of cornstarch, mix U...

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PUM

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Abstract

The invention relates to a quick-drying cold-forming starch toughening glue and a preparation method thereof. The quick-drying cold-forming starch toughening glue comprises the following materials with the following weight portions: 320 portions to 670 portions of starch, 1 portion to 5 portions of postassium pyroantimonate, 6 portions to 20 portions of exsiccated alum, 7 portions to 15 portions of light magnesium oxide, 5 portions to 20 portions of borax, 4 portions to 19 portions of solid natrium hyelroxide, 0.5 portion to 2 portions of aluminum sulfate, 3 portions to 12 portions of polyvinyl alcohol, 1 portion to 10 portions of expansion agent and 1030 portions to 1510 portions of water. The invention also includes the preparation method of the quick-drying cold-forming starch toughening glue. The quick-drying cold-forming starch toughening glue has low manufacturing cost, good storage performance, high bounding strength, high bounding speed and good water proof performance, and can be formed in cold conditions and be used as the adhesive for paper plates, paper boxes and the like and also as the toughening agent in paper manufacturing process.

Description

technical field [0001] The invention relates to a starch glue and a preparation method thereof, in particular to a quick-drying cold-setting starch glue and a preparation method thereof. Background technique [0002] For a long time, corrugated cardboard factories and color printing factories have mostly used starch glue in the process of bonding cardboard, cartons, and cartons. [0003] At the same time, it is an important direction for future development to directly beat waste paper into corrugated cardboard. In order to improve the strength of waste paper after molding, it is also necessary to add starch glue to pulp to improve the bonding strength between pulp fibers. [0004] At present, the starch glue sold in the market has the disadvantages of slow bonding speed, low bonding strength, poor water resistance, and heating is required during the bonding process. Contents of the invention [0005] The purpose of the present invention is to overcome the defects existing...

Claims

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Application Information

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IPC IPC(8): C09J103/02D21H21/16D21H21/18D21H17/28
Inventor 曾广胜
Owner 李新桥
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