CN1220585C - Cellular paperboard, its special adhesive and its making technology - Google Patents
Cellular paperboard, its special adhesive and its making technology Download PDFInfo
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- CN1220585C CN1220585C CN 01106954 CN01106954A CN1220585C CN 1220585 C CN1220585 C CN 1220585C CN 01106954 CN01106954 CN 01106954 CN 01106954 A CN01106954 A CN 01106954A CN 1220585 C CN1220585 C CN 1220585C
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- special glue
- honeycomb cardboard
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Abstract
The present invention provides special glue for cellular paperboards and products thereof and a fabrication process of the special glue, which belongs to the technical field of adhesive based on starch. The special glue is prepared from corn starch, urea, tributyl phosphate, water, water-soluble polymer dispering agent such as polyvinyl alcohol, drier such as calcium chloride, stuffing such as talc powder and preservative such as sodium chloride according to certain weight ratio. The special glue has the characteristics of high bond strength, high drying speed, no moisture absorption and low cost.
Description
The present invention is a kind of honeycomb cardboard and goods special glue and its manufacture craft, belongs to the technical field of adhesive based on starch.
In general, the adhesive that beehive carton production line uses is milky white adhesive, but the price of milky white adhesive is more expensive, and cheap starch adhesive or the modified starch adhesive of price general charged can not meet the demands, and its subject matter is:
1, viscosity is not suitable for using on the machine;
2, alkalescence big, honeycomb paper core is had the obvious corrosion effect;
3, hygroscopicity is strong, rate of drying is slow;
4, initial bonding strength and adhesive strength are low, can not satisfy the bonding requirements of honeycomb cardboard goods.
Then the special-purpose adhesive situation of domestic and international honeycomb cardboard and goods thereof is investigated, finding shows at present domesticly still do not have on the price and can both satisfy the special-purpose adhesive of honeycomb cardboard and goods thereof on the performance.
The purpose of this invention is to provide a kind of honeycomb cardboard and goods special glue thereof and its manufacture craft.This special glue is a kind of adhesive strength height, fast, nonhygroscopic, the lower-cost starch based adhesive of rate of drying, can replace the higher milky white adhesive of price that uses at present.
The present invention realizes like this, a kind of honeycomb cardboard and goods special glue thereof and its manufacture craft, described special glue is a raw material with cornstarch, polyvinyl alcohol, urea, calcium chloride, talcum powder, tbp, sodium chloride and water, and successively by 10～15: 4～8: 1～5: 0.5～2: 0.5～2: 0.1～0.5: 0.1～0.2: 70～82 weight ratio compatibilities are mixed to form.As above-mentioned, this honeycomb cardboard of the present invention and goods special glue thereof by class anticorrisive agents such as the water-soluble quick dry agent of a class, tbp defoamer, sodium chloride such as a class water-soluble polymer dispersant such as cornstarch, polyvinyl alcohol, urea, calcium chloride add water, according to a certain ratio, certain program and evenly stirring at a certain temperature forms.Wherein used cornstarch not oxidised is handled, and its molecular weight is bigger, has the high advantage of adhesive strength and the market price is lower.And it is neutral that the cornstarch that uses in present technique alkali gelatinization of no use, glue are, thereby not only can not constitute the moisture absorption that corrosion has also improved amylan to cardboard; The adding of water-soluble polymer dispersant in addition,, not only successfully disperseed starch, but also can improve the initial bonding strength and the adhesive strength of glue effectively, simultaneously, the adding of quick dry agent and filler, improved the solid content in the glue, and absorb the partly part of moisture content formation glued membrane, therefore the rate of drying of glued membrane can be accelerated greatly, and the shrinkage and the toughness of glued membrane can be improved simultaneously.In a word, use this honeycomb cardboard that technical scheme of the present invention produces and goods special glue thereof to have adhesive strength height, rate of drying is fast, nonhygroscopic, cost is low again characteristics, the alternative fully higher milky white adhesive of market price that generally uses is at present put in the production process of honeycomb cardboard or honeycomb cardboard goods and is used.According to statistics on probation, its cost only is 1/3rd of a milky white adhesive.
In addition, the special-purpose manufacture craft of above-mentioned honeycomb cardboard and goods special glue thereof is described below, be equipped with according to the weight ratio in the claim 1,
A, above-mentioned polyethylene alcohol and water is gone into reactor, be warming up to 80-90 ℃, it is water-soluble to be stirred to above-mentioned polyvinyl alcohol, is cooled to 75-80 ℃;
B, above-mentioned cornstarch is mixed with gained solution in 40% form of suspension adding reactor and a operation is warming up to 65-75 ℃, is stirred to its gelatinization, naturally cooling;
C, the urea liquid of 20-30% content added the gained pastel mixes in aforesaid reaction vessel and the b operation, it is standby to stir;
D, that talcum powder is added in reactor and the c operation gained pastel is mixed and stir standby;
E, with calcium chloride dissolving, drop in reactor and the d operation gained mixture and mix and stir standby;
F, with tbp and sodium chloride drop in the reactor with above-mentioned e operation in mixed the stirring discharging when treating that temperature is reduced to below 50 ℃ that gets product of gained mixture.
In the actual production, above-mentioned component polyvinyl alcohol also can be for other water-soluble polymer dispersants replace, as polyvinyl formal, polyacrylate etc.; Described calcium chloride also can be other drier such as alum; Described talcum powder also can be other fillers such as bentonite; Described sodium chloride also can be other anticorrisive agents such as formaldehyde or benzoic acid.
Embodiment 1:
A, get polyvinyl alcohol 1500 gram and go into still and add that water 15000 grams soak back heating half an hour, stir on the limit, after treating heating object temperature rise to 85 ℃ and seeing that polyvinyl alcohol is dissolved in water fully in the still, allow gained solution naturally cool to 80 ℃ stand-by.
B, 2800 gram cornstarch are made into 40% cornstarch content suspension add that gained solution is mixed into its gelatinization in a operation;
C, to drop into concentration in still be 25% to contain that the gained pastel mixes, stirs in the solution of urea 900 grams and the b operation.
D, drop in the still in the 380 gram talcum powder and c operation the gained pastel and mix and stir.
E, get and go in still and the d operation gained mixture after the 380 gram calcium chloride dissolvings and evenly stir and mix;
F, get 90 gram tbps and 35 gram sodium chloride drop in the stills with the e operation in the gained mixture mixed, stirring promptly gets honeycomb cardboard of the present invention and goods special glue finished product thereof and treats that temperature reduces to 50 ℃ with bottom discharge.
Embodiment 2:
Get material respectively: the cornstarch 120 kg
50 kilograms of polyvinyl formals
30 kilograms in urea
10 kilograms in alum
10 kilograms of bentonites
2.5 kilograms of tbps
1.5 kilograms in benzoic acid
750 kilograms in water
The processing technology program is with embodiment 1 Therefore, omited.
Claims (6)
1, a kind of honeycomb cardboard and goods special glue thereof is characterized in that its composition and weight ratio thereof are:
Cornstarch 10-15
Polyvinyl alcohol 4-8
Urea 1-5
Calcium chloride 0.5-2
Talcum powder 0.5-2
Tbp 0.1-0.5
Sodium chloride 0.1-0.2
Water 70-82
2, a kind of manufacture craft that is exclusively used in above-mentioned honeycomb cardboard and goods special glue thereof is characterized in that being equipped with according to the weight ratio in the claim 1,
A, above-mentioned polyethylene alcohol and water is gone into reactor, be warming up to 80-90 ℃, it is water-soluble to be stirred to above-mentioned polyvinyl alcohol, is cooled to 75-80 ℃,
B, above-mentioned cornstarch is mixed with gained solution in 40% form of suspension adding reactor and a operation is warming up to 65-75 ℃, is stirred to its gelatinization, cooling naturally,
C, that the urea liquid of 20-30% content is added in aforesaid reaction vessel and the b operation gained pastel is mixed, stirs fully
D, with talcum powder add in reactor and the c operation gained pastel mixed and stir standby,
E, with calcium chloride dissolving, drop in reactor and the d operation gained mixture mix and stir standby,
F, with tbp and sodium chloride drop in the reactor with above-mentioned e operation in mixed the stirring of gained mixture get product discharging when treating that temperature is reduced to below 50 ℃.
3, honeycomb cardboard according to claim 1 and goods special glue thereof is characterized in that, described polyvinyl alcohol also can be polyvinyl formal or polypropylene vinegar.
4, honeycomb cardboard according to claim 1 and goods special glue thereof is characterized in that, described calcium chloride also can be alum.
5, honeycomb cardboard according to claim 1 and goods special glue thereof is characterized in that, described talcum powder also can be a bentonite.
6, honeycomb cardboard according to claim 1 and goods special glue thereof is characterized in that, described sodium chloride also can be formaldehyde or benzaldehyde.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01106954 CN1220585C (en) | 2001-03-22 | 2001-03-22 | Cellular paperboard, its special adhesive and its making technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01106954 CN1220585C (en) | 2001-03-22 | 2001-03-22 | Cellular paperboard, its special adhesive and its making technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1376577A CN1376577A (en) | 2002-10-30 |
| CN1220585C true CN1220585C (en) | 2005-09-28 |
Family
ID=4655910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01106954 Expired - Fee Related CN1220585C (en) | 2001-03-22 | 2001-03-22 | Cellular paperboard, its special adhesive and its making technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1220585C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101831838A (en) * | 2010-03-23 | 2010-09-15 | 陆景泰 | Starch adhesion plasticizer |
| CN103980834A (en) * | 2014-05-09 | 2014-08-13 | 查向东 | Glutinous rice modification base material used for adhesives |
| CN104120635B (en) * | 2014-07-11 | 2016-07-06 | 福建农林大学 | The preparation method that a kind of degradable anti-flaming is incubated ultralight expanded material |
| CN105111972B (en) * | 2015-09-23 | 2017-04-12 | 句容市兴武包装有限公司 | Preparation method of adhesive for cigarette packaging |
| CN106915123B (en) * | 2017-04-17 | 2019-06-11 | 宁波和宝盛包装有限公司 | A kind of energy-saving and environment-friendly corrugated board production technique |
| CN109468089A (en) * | 2018-09-21 | 2019-03-15 | 安溪县斯马拓科技发展有限公司 | A kind of corrugated paper adhesive preparation method |
| CN109575840B (en) * | 2018-11-15 | 2020-06-09 | 江门市蓝羽建筑粘合剂实业有限公司 | Seamless wall/wall cloth adhesive and preparation method thereof |
-
2001
- 2001-03-22 CN CN 01106954 patent/CN1220585C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1376577A (en) | 2002-10-30 |
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Granted publication date: 20050928 Termination date: 20100322 |