阅读说明：本技术 一种速干型纸箱粘合剂及其制备方法 (Quick-drying carton adhesive and preparation method thereof ) 是由 黄伟彬 于 2020-07-13 设计创作，主要内容包括：本发明涉及粘合剂技术领域,与其是一种速干型纸箱粘合剂,该粘合剂由以下按重量百分比计的原料组成：木薯粉粘合剂20-25份、玉米淀粉粘合剂20-25份、纤维素醚1-2份、吸湿剂0.3-0.4份、止分散剂0.4-0.7份、胶联剂沸石粉2-5份、烧碱3-6份、硼砂1-2份、水玻璃粘合剂15-25份、消泡剂0.5-1.5份、氧化剂0.2-0.5份、水5-25份。本发明还提供一种速干型纸箱粘合剂的制备方法。本发明不脱胶,不透胶能够有效地提高纸箱粘合后的干燥速度,并能够降低纸箱粘合后的烘干温度,有利于降低能耗；产品复配一体化,制胶时间短,大大减少机械磨损,比传统工艺用电节约25%,具有市场前景,适合推广。(The invention relates to the technical field of adhesives, in particular to a quick-drying carton adhesive which is prepared from the following raw materials in percentage by weight: 20-25 parts of cassava flour adhesive, 20-25 parts of corn starch adhesive, 1-2 parts of cellulose ether, 0.3-0.4 part of moisture absorbent, 0.4-0.7 part of dispersant, 2-5 parts of cross-linking agent zeolite powder, 3-6 parts of caustic soda, 1-2 parts of borax, 15-25 parts of water glass adhesive, 0.5-1.5 parts of defoaming agent, 0.2-0.5 part of oxidant and 5-25 parts of water. The invention also provides a preparation method of the quick-drying carton adhesive. The invention does not degum, and the drying speed of the bonded paper boxes can be effectively improved without glue penetration, and the drying temperature of the bonded paper boxes can be reduced, thus being beneficial to reducing energy consumption; the product is integrated in compounding, the glue making time is short, the mechanical abrasion is greatly reduced, the electricity consumption is saved by 25 percent compared with the electricity consumption in the traditional process, and the glue has market prospect and is suitable for popularization.)

1. The quick-drying carton adhesive is characterized by comprising the following raw materials in percentage by weight: 20-25 parts of cassava flour adhesive, 20-25 parts of corn starch adhesive, 1-2 parts of cellulose ether, 0.3-0.4 part of moisture absorbent, 0.4-0.7 part of dispersant, 2-5 parts of cross-linking agent zeolite powder, 3-6 parts of caustic soda, 1-2 parts of borax, 15-25 parts of water glass adhesive, 0.5-1.5 parts of defoaming agent, 0.2-0.5 part of oxidant and 5-25 parts of water.

2. The quick-drying carton adhesive according to claim 1, wherein the adhesive comprises the following raw materials in percentage by weight: 22 parts of cassava powder adhesive, 20 parts of corn starch adhesive, 1.5 parts of cellulose ether, 0.3 part of moisture absorbent, 0.5 part of dispersant, 3 parts of zeolite powder serving as a crosslinking agent, 4 parts of caustic soda, 1.5 parts of borax, 10 parts of water glass adhesive, 1 part of defoaming agent, 0.4 part of oxidant and 15 parts of water.

3. An adhesive for quick-drying cartons as claimed in claims 1-2 and wherein said defoamer is a mixture of one or more of tributyl phosphate and dibutyl phosphate.

4. The quick-drying carton adhesive as claimed in claims 1-2, wherein the grain size of the tapioca adhesive is 225-230 meshes, and the grain size of the corn starch adhesive is 230-240 meshes.

5. An adhesive for quick-drying cartons as claimed in claims 1-2 and wherein said oxidizing agent is a mixture of one or more of sodium hydrogen persulfate and potassium hydrogen persulfate.

6. A method of making an adhesive for quick-drying cartons as claimed in claims 1 to 5 and characterised by the steps of:

s1, pouring water into a container according to the mass ratio, adjusting the water temperature to 40-55 ℃, adding the cassava powder adhesive, the caustic soda and the water glass adhesive, stirring for 4min at the stirring speed of 120-;

s2, pouring water into a container according to the mass ratio, adjusting the water temperature to 66-72 ℃, adding the corn starch adhesive, the borax and the water glass adhesive, and stirring for 10min at the stirring speed of 80-100r/min to prepare a mixed solution B;

s3, adding the mixed solution A and the mixed solution B into a stirring container, heating to 65 ℃, adjusting the pH value to 8-9, continuously stirring for 1.5-1.6h at the stirring speed of 150-;

s4, taking 1-2 parts of cellulose ether, 0.3-0.4 part of moisture absorbent, 0.4-0.7 part of dispersant, 2-5 parts of zeolite powder serving as a crosslinking agent, 0.5-1.5 parts of defoaming agent and 0.2-0.5 part of oxidant, mixing, adding into water at the temperature of 50-65 ℃, stirring and dissolving, continuously stirring for 0.2-0.3h at the stirring speed of 110-120r/min, and preparing to obtain a mixed solution D;

s5, adding the prepared mixed solution D into the mixed solution C, continuously stirring for 0.5-1h at the stirring speed of 120-.

Technical Field

The invention relates to the technical field of adhesives, in particular to a quick-drying carton adhesive and a preparation method thereof.

Background

The carton has the advantages of portability, firmness, convenience in loading, unloading and transportation, low cost, no pollution and the like, and is widely applied to transportation and packaging of household appliances, precise electronic and mechanical products, food and medicines and the like. The quality of carton mainly is decided by corrugated container board's quality, and corrugated container board's quality is closely related to with the quality of adhesive, present adhesive for corrugated container board generally adopts glutinous rice to glue, the feature of environmental protection is good, the water content of starch adhesive is very high, when the bonding solidification, need volatilize most moisture, each group's hot plate of the drying-machine that adopts steam heating all is equipped with the air-vent valve, the steam pressure that is used for adjusting the entering hot plate, make the drying-machine reach suitable temperature, both guarantee the liquid solidification of pasting, guarantee finally fashioned corrugated container board water content is moderate again. This requires high drying temperature and long drying time, and consumes a lot of energy. Therefore, the quick-drying carton adhesive and the preparation method thereof are provided to solve the problems.

Disclosure of Invention

The invention aims to solve the defects of low drying speed and low production efficiency of the existing carton adhesive in the prior art, and provides a quick-drying carton adhesive and a preparation method thereof.

In order to achieve the purpose, the invention adopts the following technical scheme:

designing an adhesive for quick-drying cartons, which consists of the following raw materials in percentage by weight: 20-25 parts of cassava flour adhesive, 20-25 parts of corn starch adhesive, 1-2 parts of cellulose ether, 0.3-0.4 part of moisture absorbent, 0.4-0.7 part of dispersant, 2-5 parts of cross-linking agent zeolite powder, 3-6 parts of caustic soda, 1-2 parts of borax, 15-25 parts of water glass adhesive, 0.5-1.5 parts of defoaming agent, 0.2-0.5 part of oxidant and 5-25 parts of water.

Preferably, the adhesive consists of the following raw materials in percentage by weight: 22 parts of cassava powder adhesive, 20 parts of corn starch adhesive, 1.5 parts of cellulose ether, 0.3 part of moisture absorbent, 0.5 part of dispersant, 3 parts of zeolite powder serving as a crosslinking agent, 4 parts of caustic soda, 1.5 parts of borax, 10 parts of water glass adhesive, 1 part of defoaming agent, 0.4 part of oxidant and 15 parts of water.

Preferably, the defoaming agent is one or a mixture of tributyl phosphate and dibutyl phosphate.

Preferably, the grain size of the cassava powder adhesive is 225-230 meshes, and the grain size of the corn starch adhesive is 230-240 meshes.

Preferably, the oxidizing agent is one or a mixture of more of sodium persulfate and potassium persulfate.

A preparation method of an adhesive for quick-drying cartons comprises the following steps:

s1, pouring water into a container according to the mass ratio, adjusting the water temperature to 40-55 ℃, adding the cassava powder adhesive, the caustic soda and the water glass adhesive, stirring for 4min at the stirring speed of 120-;

s2, pouring water into a container according to the mass ratio, adjusting the water temperature to 66-72 ℃, adding the corn starch adhesive, the borax and the water glass adhesive, and stirring for 10min at the stirring speed of 80-100r/min to prepare a mixed solution B;

s3, adding the mixed solution A and the mixed solution B into a stirring container, heating to 65 ℃, adjusting the pH value to 8-9, continuously stirring for 1.5-1.6h at the stirring speed of 150-;

s4, taking 1-2 parts of cellulose ether, 0.3-0.4 part of moisture absorbent, 0.4-0.7 part of dispersant, 2-5 parts of cross-linking agent zeolite powder, 0.5-1.5 parts of defoaming agent and 0.2-0.5 part of oxidant, mixing, adding into water with the temperature of 50-65 ℃, stirring and dissolving, continuously stirring for 0.2-0.3h at the stirring speed of 110-120r/min, and preparing to obtain a mixed solution D.

S5, adding the prepared mixed solution D into the mixed solution C, continuously stirring for 0.5-1h at the stirring speed of 120-.

The quick-drying carton adhesive and the preparation method thereof provided by the invention have the beneficial effects that: compared with the prior art, the quick-drying carton adhesive and the preparation method thereof can be provided; the paper box can be die-cut after being adhered for 10-12 seconds and 8-10 minutes without glue leakage, the drying speed of the adhered paper box can be effectively improved due to glue penetration, the drying temperature of the adhered paper box can be reduced, and the energy consumption can be reduced; the product is integrated in compounding, the glue making time is short, the mechanical abrasion is greatly reduced, the electricity consumption is saved by 25 percent compared with the electricity consumption in the traditional process, and the glue has market prospect and is suitable for popularization.

Detailed Description

The invention is further illustrated by the following examples.