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Starch based biomass functional adhesive and preparation method thereof

A biomass and adhesive technology, applied in the field of papermaking, can solve the problems of immaturity of biomass functional adhesives, and achieve the effects of excellent rheology, good rheology and lower production costs.

Inactive Publication Date: 2014-11-26
NINGBO JIAHUA NEW MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the research is still in basic research, and the biomass functional adhesives that can stably replace synthetic latex in large quantities are not yet mature.

Method used

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  • Starch based biomass functional adhesive and preparation method thereof
  • Starch based biomass functional adhesive and preparation method thereof
  • Starch based biomass functional adhesive and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Weigh the raw materials according to the composition and mass percentage of the starch-based biomass functional adhesive described in Table 1, Example 1, add the weighed biomass main raw material, modifier and water to the reactor, and heat up to 80°C, react for 40 minutes;

[0034] Pump the above-mentioned reacted material to a three-stage steam ejector for steaming, and the steam temperature is 140°C;

[0035] Send the above-mentioned treated materials to the mixing tank, add the weighed lubricant, plasticizer, and crosslinking agent under stirring, react at 70°C for 50 minutes, and add the preservative after the reaction is complete;

[0036] Add a pH regulator to the above-mentioned treated material to adjust the pH to 6-7, then add an auxiliary film-forming agent and mix evenly, cool the mixed material to 40-50°C and discharge it, and finally filter to remove impurities to obtain the final product Starch-based biomass functional adhesive.

Embodiment 2

[0038] Weigh the raw materials according to the composition and mass percentage of the starch-based biomass functional adhesive described in Table 1, Example 2, add the weighed biomass main raw material, modifier and water to the reactor, and heat up to 90°C, react for 50min;

[0039] Pump the above-mentioned reacted materials to a three-stage steam ejector for steaming, and the steam temperature is 130°C;

[0040] Send the above-mentioned treated materials to the mixing tank, add the weighed lubricant, plasticizer, and cross-linking agent under stirring, react at 80°C for 40 minutes, and add the preservative after the reaction is complete;

[0041] Add a pH regulator to the above-mentioned treated material to adjust the pH to 6-7, then add an auxiliary film-forming agent and mix evenly, cool the mixed material to 45°C and discharge it, and finally filter to remove impurities to obtain the final product biostarch Matrix functional adhesives.

Embodiment 3

[0043] Weigh the raw materials according to the composition and mass percentage of the starch-based biomass functional adhesive described in Table 1, Example 3, add the weighed biomass main raw material, modifier and water to the reactor, and heat up to 70°C, react for 40 minutes;

[0044] Pump the above-mentioned reacted material to a three-stage steam ejector for steaming, and the steam temperature is 120°C;

[0045] Send the above-mentioned treated materials to the mixing tank, add the weighed lubricant, plasticizer, and crosslinking agent under stirring, react at 70°C for 40 minutes, and add the preservative after the reaction is complete;

[0046]Add a pH regulator to the above-mentioned treated material to adjust the pH to 6-7, then add an auxiliary film-forming agent and mix evenly, cool the mixed material to 40°C and discharge it, and finally filter to remove impurities to obtain the final product starch-based Biomass functional adhesives.

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Abstract

The invention relates to a starch based biomass functional adhesive and a preparation method thereof, and is particularly applied to the field of papermaking. The biomass functional adhesive comprises the following components: 30-45% of a biomass main raw material, 5.5-22.5% of a plasticizer, 0.55-3.5% of a lubricant, 0.55-5.5% of a crosslinking agent, 0.01-5.5% of a modifier, 0.55-5.5% of an auxiliary film-forming agent, 0.1-0.55% of a preservative, 0.01-5.5% of a pH regulator and the balance of water. The preparation method is as follows: adding the biomass main raw material, the modifier and the water into a reaction kettle, heating to 60 to 100 DEG C for reaction; performing digestive treatment; adding the lubricant, the plasticizer and the crosslinking agent for reaction at 60 to 90 DEG C, then adding the preservative, adding the pH regulator and the auxiliary film-forming agent, mixing, discharging and filtering to obtain the biomass functional adhesive. The biomass functional adhesive has low cost and excellent adhesive performance.

Description

technical field [0001] The invention relates to a starch-based biomass functional adhesive and a preparation method thereof, which is especially used in the field of papermaking. Background technique [0002] With the rapid development of China's economy and the continuous improvement of people's living standards, the requirements for paper quality are also increasing. Therefore, the current cultural and packaging papers are generally surface-coated. Adhesives, pigments and some functional additives are required in the coating process of paper. Among them, the proportion of pigment is the largest, followed by adhesive; the proportion of adhesive in the cost of coating is relatively high. At present, the main types of coating adhesives are: petrochemical synthetic emulsion, coated starch; the price of synthetic emulsion is high, and all raw materials are not renewable; coated starch has the problems of high viscosity and poor rheology, so the amount of coated starch is also...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J103/02C09J103/06C09J103/10C09J189/00C09J11/06
Inventor 千胜宇李鹏
Owner NINGBO JIAHUA NEW MATERIAL TECH CO LTD
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