CN110253966A - Production process of high-strength corrugated cardboards - Google Patents
Production process of high-strength corrugated cardboards Download PDFInfo
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- CN110253966A CN110253966A CN201910347032.1A CN201910347032A CN110253966A CN 110253966 A CN110253966 A CN 110253966A CN 201910347032 A CN201910347032 A CN 201910347032A CN 110253966 A CN110253966 A CN 110253966A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/20—Corrugating; Corrugating combined with laminating to other layers
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Abstract
The invention discloses a kind of production process of high-strength corrugated cardboards, belong to field of papermaking, it is the following steps are included: A, using wheat straw, stalk and waste paper prepare body paper paper pulp, then polyvinyl alcohol, phenolic resin and rosin are added into body paper paper pulp according to the weight ratio, and stirred evenly under conditions of 60~80 DEG C, obtain the body paper paper pulp of enhancing processing；B, body paper is made in the body paper paper pulp of enhancing processing using paper machine, then uniformly sprays reinforcing agent in body paper opposite sides, the body paper of secondary enhancing is obtained after drying；C, corrugated paper is made；D, high-strength corrugated board is made；Compared with prior art; the more excellent stabilization of corrugated board various aspects of performance of production technology production of the present invention; pop strength, plane compression strength are higher; protective effect is more obvious; it can preferably support and be fallen by the collision in handling process and falling; and the corrugated case vertical direction compression strength using corrugated board production is higher, using feeling more relieved.
Description
Technical field
The present invention relates to field of papermaking, more specifically, are related to a kind of corrugated board production technique.
Background technique
Corrugated board is also known as corrugated cardboard, by least one layer of corrugated paper and one layer of boxboard (being also boxboard) bonding
At because of its hollow structure, it is possible to reduce the usage amount of timber has preferable elasticity and extensibility, can support and be carried
Collision in journey and falling is fallen, therefore is widely used in manufacturing other sandwich and delicate articles packaging materials of carton, carton.
The corrugated paper of corrugated board be processed by Corrugator roller it is corrugated, as the arched door connected one by one, mutually simultaneously
Arrange it is in a row, mutually support, have preferable mechanical strength, certain pressure, and springiness can be also born from plane, delay
Punching is made good use of；The liner or container of various shape size can be made in it as needed, easier than plastic. buffer material, quick；
It is affected by temperature small, light-proofness is good, is illuminated by the light and never degenerates.
Existing corrugated board production technique is usually that local method straw pulp and waste paper is used to be beaten, and the original of similar yellow paper is made
Paper, then it is machined into the corrugated paper of corrugated, it is then bonded on its surface with adhesive and boxboard, there is corrugations
The problems such as paperboard bonding effect is bad, mechanical strength is not high enough, tear resistance is not good enough.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of production process of high-strength corrugated cardboards, have
The existing production technology production corrugated board bonding effect of effect solution is bad, mechanical strength is not high enough, tear resistance is imperfect
Problem.
The technical scheme to solve the above technical problems is that
A kind of production process of high-strength corrugated cardboards, it the following steps are included:
A, enhancing processing is carried out to body paper paper pulp
Body paper paper pulp is prepared using wheat straw, stalk and waste paper, then 1:0.1~0.18:0.15~0.25 according to the weight ratio:
0.2~0.3 adds polyvinyl alcohol, phenolic resin and rosin into body paper paper pulp, and stirs evenly under conditions of 60~80 DEG C,
The body paper paper pulp of enhancing processing is obtained, the water content for enhancing the body paper paper pulp of processing controls between 6%~12%；
B, the body paper of secondary enhancing is made
Body paper is made in the body paper paper pulp of enhancing processing using paper machine, then uniformly sprays reinforcing agent in body paper opposite sides,
The body paper of secondary enhancing is obtained after drying；
C, corrugated paper is made
The body paper of two parts of secondary enhancings is taken, is first preheated under conditions of 65~75 DEG C respectively, then respectively at 160~180 DEG C
Under conditions of undulatory corrugated paper is made by Corrugating Machine；
D, corrugated board is made
Viscose glue is coated in the opposite sides high spot of two parts of corrugated papers respectively, then takes the body paper of three parts of secondary enhancings, portion is viscous
It is attached between two parts of corrugated papers, in addition two parts of other sides for being respectively adhered on two parts of corrugated papers, high-intensitive watt is obtained after drying
Corrugated paper board.
Compared with prior art, the beneficial effects of the present invention are:
The additive that production technology of the present invention first passes through special ratios carries out enhancing processing to body paper paper pulp, then in body paper two sides
It is dried after sprinkling reinforcing agent, prepares that property is more stable, the higher body paper of various aspects mechanical strength, fundamentally promote body paper
Performance, then by preheating and Corrugator roller processing, the obtained more excellent stabilization of corrugated board various aspects of performance, pop strength,
Plane compression strength is higher, and protective effect is more obvious, and is not easy to be torn, and can preferably support by the collision in handling process
Fall with falling, and higher using the corrugated case vertical direction compression strength of corrugated board production, using feeling more relieved, can have
The existing production technology production corrugated board bonding effect of effect solution is bad, mechanical strength is not high enough, tear resistance is imperfect
Problem.
Based on the above technical solution, the present invention can also be improved as follows.
As a kind of preferred embodiment of the invention, in step, stirred with the speed of 300~400 turns/min.
Beneficial effect using above-mentioned preferred embodiment is: solute effect is more preferable, enhances the body paper pulp properties of processing more
Stabilization, performance are more excellent, and the body paper mechanical strength prepared is higher.
As another preferred embodiment of the invention, 1:0.14:0.2:0.25 is to body paper paper pulp according to the weight ratio
Middle addition polyvinyl alcohol, phenolic resin and rosin.
Beneficial effect using above-mentioned preferred embodiment is: the body paper pulp properties for enhancing processing are more stable, performance more
Excellent, the body paper mechanical strength prepared is higher.
As another preferred embodiment of the invention, in stepb, reinforcing agent is 1:0.2~0.3 by weight ratio:
0.1~0.2 water, polyvinyl alcohol and starch is uniformly mixed.
Beneficial effect using above-mentioned preferred embodiment is: being more easier attachment and is impregnated with body paper, enhances the machine of body paper after drying
Tool intensity effect is more preferably.
As another preferred embodiment of the invention, in stepb, reinforcing agent is 1:0.3:0.1's by weight ratio
Water, polyvinyl alcohol and starch are uniformly mixed.
Beneficial effect using above-mentioned preferred embodiment is: being more easier attachment and is impregnated with body paper, enhances the machine of body paper after drying
Tool intensity effect is more preferably.
As another preferred embodiment of the invention, in step B and step D, drying temperature is 55~75 DEG C.
Beneficial effect using above-mentioned preferred embodiment is: high temperature can effectively be avoided to influence the performance of body paper and quick
Obtain corrugated board finished product.
As another preferred embodiment of the invention, in step C, the corrugated shape of corrugated paper is U-shaped, stupefied a height of
2.5~3.5mm.
Beneficial effect using above-mentioned preferred embodiment is: can make the mechanical strength of corrugated paper more preferably and at the same time improving it
Compressive property.
As another preferred embodiment of the invention, in step D, viscose glue is 1:0.2~0.3 by weight ratio:
0.06~0.12:0.04~0.08:0.02~0.04 water, starch, dextrin, sodium metasilicate and carboxymethyl cellulose uniformly mix and
At.
Beneficial effect using above-mentioned preferred embodiment is: the adhesive properties of preparation are more stable, and adhesive effect is more preferable, improve
The mechanical strength of corrugated board.
Preferred forms of the invention are described in further details below.
A kind of production process of high-strength corrugated cardboards, it the following steps are included:
A, enhancing processing is carried out to body paper paper pulp
Body paper paper pulp is prepared using wheat straw, stalk and waste paper, then 1:0.1~0.18:0.15~0.25 according to the weight ratio:
0.2~0.3 adds polyvinyl alcohol, phenolic resin and rosin into body paper paper pulp, and under conditions of 60~80 DEG C with 300~
The speed of 400 turns/min stirs evenly, and obtains the body paper paper pulp of enhancing processing, enhances the water content control of the body paper paper pulp of processing
Between 6%~12%；
B, the body paper of secondary enhancing is made
Body paper is made in the body paper paper pulp of enhancing processing using paper machine, then uniformly sprays reinforcing agent in body paper opposite sides,
Guarantee that body paper is enhanced agent and is impregnated with uniformly, reinforcing agent is water, polyvinyl alcohol and the shallow lake of 1:0.2~0.3:0.1~0.2 by weight ratio
Powder is uniformly mixed, and obtains the body paper of secondary enhancing after drying under conditions of temperature is 55~75 DEG C, guarantees reinforcing agent
One layer of uniform layers of residue is formed on the body paper surface of secondary enhancing after drying, and the thickness of the layers of residue is more than 0.1mm；
C, corrugated paper is made
The body paper of two parts of secondary enhancings is taken, is first preheated under conditions of 65~75 DEG C respectively, then respectively at 160~180 DEG C
Under conditions of undulatory corrugated paper is made by Corrugating Machine, the corrugated shape of corrugated paper is U-shaped, stupefied a height of 2.5~3.5mm；
D, corrugated board is made
Coat viscose glue in the opposite sides high spot of two parts of corrugated papers respectively, viscose glue by weight ratio be 1:0.2~0.3:0.06~
Water, starch, dextrin, sodium metasilicate and the carboxymethyl cellulose of 0.12:0.04~0.08:0.02~0.04 are uniformly mixed, so
The body paper of three parts of secondary enhancings is taken afterwards, and portion is pasted between two parts of corrugated papers, is in addition respectively adhered on two parts of corrugated papers for two parts
The other side, obtain high-strength corrugated board after drying under conditions of temperature is 55~75 DEG C.
Specific embodiment
The principles and features of the present invention are described below, and the given examples are served only to explain the present invention, is not intended to limit
Determine the scope of the present invention.
Embodiment 1
A kind of production process of high-strength corrugated cardboards, it the following steps are included:
A, enhancing processing is carried out to body paper paper pulp
Prepare body paper paper pulp using wheat straw, stalk and waste paper, then according to the weight ratio 1:0.1:0.25:0.3 to body paper paper
Polyvinyl alcohol, phenolic resin and rosin are added in slurry, and is stirred evenly under conditions of 80 DEG C, and the body paper paper of enhancing processing is obtained
Slurry, the water content for enhancing the body paper paper pulp of processing are controlled 10%；
B, the body paper of secondary enhancing is made
Body paper is made in the body paper paper pulp of enhancing processing using paper machine, then uniformly sprays reinforcing agent in body paper opposite sides,
Guarantee that body paper is enhanced agent and is impregnated with uniformly, the body paper of secondary enhancing is obtained after drying, in secondary increasing after guarantee reinforcing agent drying
Strong body paper surface forms one layer of uniform layers of residue, and the thickness of the layers of residue is more than 0.1mm；
C, corrugated paper is made
The body paper of two parts of secondary enhancings is taken, is first preheated under conditions of 65 DEG C respectively, then is led under conditions of 160 DEG C respectively
It crosses Corrugating Machine and undulatory corrugated paper is made；
D, corrugated board is made
Viscose glue is coated in the opposite sides high spot of two parts of corrugated papers respectively, then takes the body paper of three parts of secondary enhancings, portion is viscous
It is attached between two parts of corrugated papers, in addition two parts of other sides for being respectively adhered on two parts of corrugated papers, high-intensitive watt is obtained after drying
Corrugated paper board.
Embodiment 2
A kind of production process of high-strength corrugated cardboards, it the following steps are included:
A, enhancing processing is carried out to body paper paper pulp
Prepare body paper paper pulp using wheat straw, stalk and waste paper, then according to the weight ratio 1:0.14:0.2:0.25 to body paper paper
Polyvinyl alcohol, phenolic resin and rosin are added in slurry, and is stirred evenly under conditions of 70 DEG C with the speed of 350 turns/min, are obtained
To the body paper paper pulp of enhancing processing, the water content for enhancing the body paper paper pulp of processing is controlled 9%；
B, the body paper of secondary enhancing is made
Body paper is made in the body paper paper pulp of enhancing processing using paper machine, then uniformly sprays reinforcing agent in body paper opposite sides,
Guarantee that body paper is enhanced agent and is impregnated with uniformly, reinforcing agent is uniformly mixed by water, polyvinyl alcohol and the starch that weight ratio is 1:0.25:0.15
It closes, the body paper of secondary enhancing is obtained after drying under conditions of temperature is 65 DEG C, secondary after guarantee reinforcing agent drying
The body paper surface of enhancing forms one layer of uniform layers of residue, and the thickness of the layers of residue is more than 0.1mm；
C, corrugated paper is made
The body paper of two parts of secondary enhancings is taken, is first preheated under conditions of 70 DEG C respectively, then is led under conditions of 170 DEG C respectively
It crosses Corrugating Machine and undulatory corrugated paper is made, the corrugated shape of corrugated paper is U-shaped, stupefied a height of 3mm；
D, corrugated board is made
Viscose glue is coated in the opposite sides high spot of two parts of corrugated papers respectively, viscose glue is 1:0.25:0.09:0.06 by weight ratio:
0.03 water, starch, dextrin, sodium metasilicate and carboxymethyl cellulose is uniformly mixed, and then takes the body paper of three parts of secondary enhancings,
Portion is pasted between two parts of corrugated papers, in addition two parts of other sides for being respectively adhered on two parts of corrugated papers, is 65 DEG C in temperature
Under the conditions of dry after obtain high-strength corrugated board.
Embodiment 3
A kind of production process of high-strength corrugated cardboards, it the following steps are included:
A, enhancing processing is carried out to body paper paper pulp
Prepare body paper paper pulp using wheat straw, stalk and waste paper, then according to the weight ratio 1:0.18:0.15:0.2 to body paper paper
Polyvinyl alcohol, phenolic resin and rosin are added in slurry, and is stirred evenly under conditions of 60 DEG C with the speed of 400 turns/min, are obtained
To the body paper paper pulp of enhancing processing, the water content for enhancing the body paper paper pulp of processing is controlled 12%；
B, the body paper of secondary enhancing is made
Body paper is made in the body paper paper pulp of enhancing processing using paper machine, then uniformly sprays reinforcing agent in body paper opposite sides,
Guarantee that body paper is enhanced agent and is impregnated with uniformly, reinforcing agent is uniformly mixed by water, polyvinyl alcohol and the starch that weight ratio is 1:0.3:0.1
It forms, the body paper of secondary enhancing is obtained after drying under conditions of temperature is 55 DEG C, in secondary increasing after guarantee reinforcing agent drying
Strong body paper surface forms one layer of uniform layers of residue, and the thickness of the layers of residue is more than 0.1mm；
C, corrugated paper is made
The body paper of two parts of secondary enhancings is taken, is first preheated under conditions of 65 DEG C respectively, then is led under conditions of 160 DEG C respectively
It crosses Corrugating Machine and undulatory corrugated paper is made, the corrugated shape of corrugated paper is U-shaped, stupefied a height of 2.5mm；
D, corrugated board is made
Viscose glue is coated in the opposite sides high spot of two parts of corrugated papers respectively, viscose glue is 1:0.2:0.12:0.08 by weight ratio:
0.04 water, starch, dextrin, sodium metasilicate and carboxymethyl cellulose is uniformly mixed, and then takes the body paper of three parts of secondary enhancings,
Portion is pasted between two parts of corrugated papers, in addition two parts of other sides for being respectively adhered on two parts of corrugated papers, is 55 DEG C in temperature
Under the conditions of dry after obtain high-strength corrugated board.
Embodiment 4
A kind of production process of high-strength corrugated cardboards, it the following steps are included:
A, enhancing processing is carried out to body paper paper pulp
Prepare body paper paper pulp using wheat straw, stalk and waste paper, then according to the weight ratio 1:0.1:0.25:0.3 to body paper paper
Polyvinyl alcohol, phenolic resin and rosin are added in slurry, and is stirred evenly under conditions of 80 DEG C with the speed of 300 turns/min, are obtained
To the body paper paper pulp of enhancing processing, the water content for enhancing the body paper paper pulp of processing is controlled 6%；
B, the body paper of secondary enhancing is made
Body paper is made in the body paper paper pulp of enhancing processing using paper machine, then uniformly sprays reinforcing agent in body paper opposite sides,
Guarantee that body paper is enhanced agent and is impregnated with uniformly, reinforcing agent is uniformly mixed by water, polyvinyl alcohol and the starch that weight ratio is 1:0.2:0.2
It forms, the body paper of secondary enhancing is obtained after drying under conditions of temperature is 75 DEG C, in secondary increasing after guarantee reinforcing agent drying
Strong body paper surface forms one layer of uniform layers of residue, and the thickness of the layers of residue is more than 0.1mm；
C, corrugated paper is made
The body paper of two parts of secondary enhancings is taken, is first preheated under conditions of 75 DEG C respectively, then is led under conditions of 180 DEG C respectively
It crosses Corrugating Machine and undulatory corrugated paper is made, the corrugated shape of corrugated paper is U-shaped, stupefied a height of 3.5mm；
D, corrugated board is made
Viscose glue is coated in the opposite sides high spot of two parts of corrugated papers respectively, viscose glue is 1:0.3:0.06:0.04 by weight ratio:
0.02 water, starch, dextrin, sodium metasilicate and carboxymethyl cellulose is uniformly mixed, and then takes the body paper of three parts of secondary enhancings,
Portion is pasted between two parts of corrugated papers, in addition two parts of other sides for being respectively adhered on two parts of corrugated papers, is 75 DEG C in temperature
Under the conditions of dry after obtain high-strength corrugated board.
Comparative test:
The high-strength corrugated board that above-described embodiment 1 to 4 is obtained and the five-layers corrugated fiberboard progress using prior art production
Comparative test tests their pop strength, plane compression strength and to be fabricated to the vertical direction after corrugated case anti-respectively
Compressive Strength show that data are as follows:
| Performance indicator | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Five-layers corrugated fiberboard |
| Pop strength | 1521kPa | 1667kPa | 1603kPa | 1594kPa | 923kPa |
| Plane compression strength | 3948N | 4632N | 4421N | 4477N | 2432N |
| Vertical direction compression strength | 10.6kN/m | 11.8kN/m | 11.2kN/m | 11.3kN/m | 6.5kN/m |
It can be seen that the more excellent stabilization of corrugated board various aspects of performance that production technology of the present invention obtains, pop strength, plane
Compression strength is higher, and protective effect is more obvious, and is not easy to be torn, and preferably can support by the collision in handling process and fall
Fall, and higher using the corrugated case vertical direction compression strength of corrugated board production, using feeling more relieved, can effectively solve
Certainly existing production technology production corrugated board bonding effect is bad, mechanical strength is not high enough, the imperfect problem of tear resistance.
The above is only a preferred embodiment of the present invention, it should be understood that the present invention is not limited to described herein
Form should not be regarded as an exclusion of other examples, and can be used for other combinations, modifications, and environments, and can be at this
In the text contemplated scope, modifications can be made through the above teachings or related fields of technology or knowledge.It is all in spirit of the invention
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of production process of high-strength corrugated cardboards, which is characterized in that it the following steps are included:
Enhancing processing is carried out to body paper paper pulp
Body paper paper pulp is prepared using wheat straw, stalk and waste paper, then 1:0.1~0.18:0.15~0.25 according to the weight ratio:
0.2~0.3 adds polyvinyl alcohol, phenolic resin and rosin into body paper paper pulp, and stirs evenly under conditions of 60~80 DEG C,
The body paper paper pulp of enhancing processing is obtained, the water content for enhancing the body paper paper pulp of processing controls between 6%~12%；
Make the body paper of secondary enhancing
Body paper is made in the body paper paper pulp of enhancing processing using paper machine, then uniformly sprays reinforcing agent in body paper opposite sides,
The body paper of secondary enhancing is obtained after drying；
C, corrugated paper is made
The body paper of two parts of secondary enhancings is taken, is first preheated under conditions of 65~75 DEG C respectively, then respectively at 160~180 DEG C
Under conditions of undulatory corrugated paper is made by Corrugating Machine；
D, corrugated board is made
Viscose glue is coated in the opposite sides high spot of two parts of corrugated papers respectively, then takes the body paper of three parts of secondary enhancings, portion is viscous
It is attached between two parts of corrugated papers, in addition two parts of other sides for being respectively adhered on two parts of corrugated papers, high-intensitive watt is obtained after drying
Corrugated paper board.
2. production process of high-strength corrugated cardboards according to claim 1, which is characterized in that in step, with 300~
The speed of 400 turns/min stirs.
3. production process of high-strength corrugated cardboards according to claim 2, which is characterized in that according to the weight ratio 1:
0.14:0.2:0.25 adds polyvinyl alcohol, phenolic resin and rosin into body paper paper pulp.
4. production process of high-strength corrugated cardboards according to claim 1, which is characterized in that in stepb, reinforcing agent by
Weight ratio is that water, polyvinyl alcohol and the starch of 1:0.2~0.3:0.1~0.2 are uniformly mixed.
5. production process of high-strength corrugated cardboards according to claim 4, which is characterized in that in stepb, reinforcing agent by
Weight ratio is that water, polyvinyl alcohol and the starch of 1:0.3:0.1 is uniformly mixed.
6. production process of high-strength corrugated cardboards according to claim 4, which is characterized in that in step B and step D,
Drying temperature is 55~75 DEG C.
7. production process of high-strength corrugated cardboards according to claim 1, which is characterized in that in step C, corrugated paper
Corrugated shape is U-shaped, stupefied a height of 2.5~3.5mm.
8. production process of high-strength corrugated cardboards according to any one of claim 1 to 7, which is characterized in that in step D
In, viscose glue is 1:0.2~0.3:0.06~0.12:0.04~0.08:0.02~0.04 water, starch, dextrin, silicon by weight ratio
Sour sodium and carboxymethyl cellulose are uniformly mixed.
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| CN111945459A (en) * | 2020-08-26 | 2020-11-17 | 国腾彩色纸品(鹤山)有限公司 | High-strength anti-breaking corrugated paper and processing technology thereof |
| CN112012047A (en) * | 2020-08-14 | 2020-12-01 | 龙利得智能科技股份有限公司 | Production process of lightweight high-strength corrugated paper |
| CN112976693A (en) * | 2021-02-25 | 2021-06-18 | 深圳市旺盈彩盒纸品有限公司 | Compression-resistant color box forming process |
| CN113478903A (en) * | 2021-07-28 | 2021-10-08 | 上海丹麒包装材料有限公司 | Compression-resistant color box processing technology |
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| CN111945459A (en) * | 2020-08-26 | 2020-11-17 | 国腾彩色纸品(鹤山)有限公司 | High-strength anti-breaking corrugated paper and processing technology thereof |
| CN112976693A (en) * | 2021-02-25 | 2021-06-18 | 深圳市旺盈彩盒纸品有限公司 | Compression-resistant color box forming process |
| CN113478903A (en) * | 2021-07-28 | 2021-10-08 | 上海丹麒包装材料有限公司 | Compression-resistant color box processing technology |
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