CN109853298A - A kind of high-strength vermicelli ox card boxboard and preparation method thereof - Google Patents
A kind of high-strength vermicelli ox card boxboard and preparation method thereof Download PDFInfo
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Abstract
The present invention relates to a kind of preparation methods of high-strength vermicelli ox card boxboard, comprising the following steps: S1. prepares log slurry and recycled pulp respectively, and recycled pulp is sorted as short fine, middle fine and long fine three kinds of slurries and is beaten respectively through fiberizer；S2. log slurry and middle fine slurry are mixed to get surface layer slurry, long fine slurry and middle fine slurry is mixed to get center stock, long fine slurry and fluff pulp are mixed to get base pastes；S3. surface layer slurry, center stock and base pastes are passed through into fan pump respectively and pressurized screen flows into surface layer slurry head box, center stock head box and base pastes head box, it is then fed into wet end to carry out wet end dehydration and obtain high-strength vermicelli ox card boxboard through squeezing molding, sizing, curling, the present invention also provides the high-strength ox card boxboards being prepared using the above method.The high-strength ox card boxboard burst index and folding strength of method preparation of the invention have significant increase compared with prior art.
Description
Technical field
The present invention relates to field of papermaking, and in particular to a kind of preparation method of high-strength vermicelli ox card boxboard and its is prepared into
The high-strength vermicelli ox card boxboard arrived.
Background technique
Vermicelli craft paper is a kind of package paper for Electronics Factory, food packaging etc., at present the early extension for knowing industry production
The resistance to broken most 3.0Kpa.m of face ox card highest2/ g is unable to satisfy the highly resistance briquetting dress demand of high-grade electronic product, stores in transport
During be easy conquassation deformation, cause product impaired.
Summary of the invention
It is high resistance to broken technical problem to be solved by the invention is to provide high intensity, the vermicelli ox card boxboard of high folding
Preparation method.
The technical scheme to solve the above technical problems is that a kind of preparation side of high-strength ox card liner board
Method includes the following steps:
S1. log slurry and recycled pulp are prepared respectively, and recycled pulp is selected as short fine, middle fine and long fibre by two sections of gradation sizings
Log slurry, fluff pulp, middle fine slurry and long fine slurry are beaten through fiberizer by three kinds of slurries respectively；
S2. log slurry and middle fine slurry are mixed to get surface layer slurry, long fine slurry and middle fine slurry is mixed
To center stock, long fine slurry and fluff pulp are mixed to get base pastes；
S3. the surface layer slurry, center stock and base pastes are passed through into fan pump respectively and pressurized screen flows into surface layer slurry
Expect head box, center stock head box and base pastes head box, be then fed into wet end progress wet end dehydration and formed through squeezing,
Sizing, curling obtain the high-strength vermicelli ox card boxboard.
Further, the preparation method of the recycled pulp is by the useless progress pulping of U.S..
Further, the freedom of the log slurry, fluff pulp, middle fine slurry and long fine slurry be respectively 360 ±
20CSF, 400 ± 50CSF, 380 ± 20CSF and 380 ± 20CSF.
Further, the mass percent of the slurry of log described in the surface layer slurry is 70~80%, the sandwich layer slurry
The mass percent of long fibre slurry is 65~75% described in material, the mass percent of long fibre slurry described in the base pastes
It is 5~15%.
Further, the vermicelli amount of the surface layer slurry, center stock and base pastes is respectively 30~40g/m2, 60~
70g/m2, 105~115g/m2。
It further, further include highly concentrated desanding and scalping before two sections of classifying screens in step S1, two sections of classifying screens and mashing
Between further include low dense desanding, dusting cover, polydisc concentration, dirt count.
Further, the concentration concentration of log slurry, fluff pulp, middle fine slurry and long fine slurry is 8 by the polydisc concentration
~10%.
Further, it is added respectively into the surface layer slurry, center stock and base pastes before entering fan pump dry
Strong agent, the additive amount of drying strengthening agent is respectively 5~10kg, 15~20kg in surface layer slurry per ton, center stock and base pastes, and 15
~20kg, the solid content of the drying strengthening agent are 20.
Further, glue, the glue taste amylan, the surface layer glue and bottom glue are added in the Process of Applying Glue
Solid content be respectively 4.5~5.5% and 13~15%, make anti-fake dyeing in the Process of Applying Glue, the coloring agent of addition be for
Orchil, the additive amount of the coloring agent are paper 1kg per ton.
The present invention also provides the high-strength vermicelli ox card boxboards being prepared in aforementioned manners.
The useless recycled pulp being process of U.S. is added in raw material by giving up in state for this method, improves the strong of fiber in raw material
Degree, and use fiberizer during slurry pulping, by long fibre wire-dividing broom purification, facilitate fiber intertexture molding improve it is resistance to
Broken intensity, and the addition of the drying strengthening agent by high solids content, further enhance the connecting shaping of fiber.
Specific embodiment
Principles and features of the present invention are described below in conjunction with specific embodiment, example is served only for explaining this hair
It is bright, it is not intended to limit the scope of the present invention.
The present invention provides a kind of preparation methods of high-strength ox card boxboard, comprising the following steps:
S1. log slurry and recycled pulp are prepared respectively, and recycled pulp is selected as short fine, middle fine and long fibre by two sections of gradation sizings
Log slurry, fluff pulp, middle fine slurry and long fine slurry are beaten through fiberizer by three kinds of slurries respectively；
S2. log slurry and middle fine slurry are mixed to get surface layer slurry, long fine slurry and middle fine slurry is mixed
To center stock, long fine slurry and fluff pulp are mixed to get base pastes；
S3. the surface layer slurry, center stock and base pastes are passed through into fan pump respectively and pressurized screen flows into surface layer slurry
Expect head box, center stock head box and base pastes head box, be then fed into wet end progress wet end dehydration and formed through squeezing,
Sizing, curling obtain the high-strength vermicelli ox card boxboard.
Preferably, the preparation method of the recycled pulp is by the useless progress pulping of U.S..
Preferably, the freedom of the log slurry, fluff pulp, middle fine slurry and long fine slurry be respectively 360 ±
20CSF, 400 ± 50CSF, 380 ± 20CSF and 380 ± 20CSF.
Preferably, the mass percent of the slurry of log described in the surface layer slurry is 70~80%, the sandwich layer slurry
The mass percent of long fibre slurry is 65~75% described in material, the mass percent of long fibre slurry described in the base pastes
It is 5~15%.
Preferably, the vermicelli amount of the surface layer slurry, center stock and base pastes is respectively 30~40g/m2, 60~
70g/m2, 105~115g/m2。
It preferably, further include highly concentrated desanding and scalping before two sections of classifying screens in step S1, two sections of classifying screens and mashing
Between further include low dense desanding, dusting cover, polydisc concentration, dirt count.
Preferably, the concentration concentration of log slurry, fluff pulp, middle fine slurry and long fine slurry is 8 by the polydisc concentration
~10%.
Preferably, it is added respectively into the surface layer slurry, center stock and base pastes before entering fan pump dry
Strong agent, the additive amount of drying strengthening agent is respectively 5~10kg, 15~20kg in surface layer slurry per ton, center stock and base pastes, and 15
~20kg, the solid content of the drying strengthening agent are 20.
Preferably, glue, the glue taste amylan, the surface layer glue and bottom glue are added in the Process of Applying Glue
Solid content be respectively 4.5~5.5% and 13~15%, make anti-fake dyeing in the Process of Applying Glue, the coloring agent of addition be for
Orchil, the additive amount of the coloring agent are paper 1kg per ton.
The preparation method of the high-strength vermicelli ox card boxboard of embodiment 1
(1) by log in pulper 50 ± 3 DEG C at a temperature of it is broken, in the high-speed rotating rotor of pulper and waterpower
Under the action of, final size degradation is starched at 3%~5% log, and using the useless preparation recycled pulp of U.S., log slurry and recycled pulp are led to respectively
Cross highly concentrated desanding and scalping；
(2) recycled pulp is selected as short fine, middle fine and long fine three kinds of slurries by two sections of gradation sizings, then by protoplasm,
Through too low dense desanding, dusting cover, polydisc concentration and dirt count, polydisc concentration will for fluff pulp, middle fine slurry and long fine slurry
The concentration concentration of protoplasm, fluff pulp, middle fine slurry and long fine slurry is 10%, and heat partition can dissolve tiny glue therein
Glutinous object, improves stock quality；
(3) log slurry, fluff pulp, middle fine slurry and the long fine slurry after Overheating Treatment are passed through into fiberizer respectively
Mashing, make log slurry, fluff pulp, middle fine slurry and long fibre slurry freedom be respectively 360CSF, 420CSF, 400CSF,
390CSF；
(4) log slurry and middle fine slurry are mixed to get surface layer slurry according to 7:3, by long fine slurry and middle fine slurry according to
7:3 is mixed to get center stock, and long fine slurry and fluff pulp are mixed to get base pastes, surface layer slurry, sandwich layer according to 1:9
The vermicelli value of slurry and base pastes is respectively 30g/m2、65g/m2、115g/m2；
(5) drying strengthening agent, surface layer slurry, center stock and bottom per ton is added in surface layer slurry, center stock and base pastes
The additive amount of drying strengthening agent is respectively 5kg, 15kg, 20kg in layer slurry, and drying strengthening agent comprises the following components in parts by weight: cation becomes
Property 2 parts of starch, 30 parts of polyanion cellulose, 50 parts of acrylamide, 7 parts of acrylic acid, 8 parts of carboxylate, 4 parts of acrylonitrile, do strong
The solid content of agent is 20%；
(6) surface layer slurry, center stock and base pastes that drying strengthening agent is added are passed through into fan pump and pressurized screen stream respectively
Enter surface layer slurry head box, center stock head box and base pastes head box, is then fed into wet end and carries out wet end dehydration and pass through
Squeezing molding, drying, sizing, drying, curling obtain high-strength vermicelli ox card boxboard, the amylan being added in Process of Applying Glue, face
The solid content of layer glue and bottom glue is respectively 4.5% and 13%, makees anti-fake dyeing in Process of Applying Glue, the coloring agent of addition is
For orchil, the additive amount of coloring agent is paper 1kg per ton.
The preparation method of the high-strength vermicelli ox card boxboard of embodiment 2
(1) the preparation method is the same as that of Example 1 with recycled pulp for log slurry, and log slurry and recycled pulp are passed through highly concentrated desanding respectively
And scalping；
(2) recycled pulp is selected as short fine, middle fine and long fine three kinds of slurries by two sections of gradation sizings, then by protoplasm,
Through too low dense desanding, dusting cover, polydisc concentration and dirt count, polydisc concentration will for fluff pulp, middle fine slurry and long fine slurry
The concentration concentration of protoplasm, fluff pulp, middle fine slurry and long fine slurry is 8%, and heat partition can dissolve tiny glue therein
Glutinous object, improves stock quality；
(3) log slurry, fluff pulp, middle fine slurry and the long fine slurry after Overheating Treatment are passed through into fiberizer respectively
Mashing, make log slurry, fluff pulp, middle fine slurry and long fibre slurry freedom be respectively 380CSF, 450CSF, 380CSF,
400CSF；
(4) log slurry and middle fine slurry are mixed to get surface layer slurry according to 8:2, by long fine slurry and middle fine slurry according to
6.5:3.5 is mixed to get center stock, and long fine slurry and fluff pulp are mixed to get base pastes, surface layer according to 0.5:9.5
The vermicelli value of slurry, center stock and base pastes is respectively 40g/m2、60g/m2、105g/m2；
(5) drying strengthening agent, surface layer slurry, center stock and bottom per ton is added in surface layer slurry, center stock and base pastes
The additive amount of drying strengthening agent is respectively that 10kg, 20kg, 15kg, drying strengthening agent comprise the following components in parts by weight in layer slurry: cation
2 parts of converted starch, 30 parts of polyanion cellulose, 50 parts of acrylamide, 7 parts of acrylic acid, 8 parts of carboxylate, are done by 4 parts of acrylonitrile
The solid content of strong agent is 20%；
(6) surface layer slurry, center stock and base pastes that drying strengthening agent is added are passed through into fan pump and pressurized screen stream respectively
Enter surface layer slurry head box, center stock head box and base pastes head box, is then fed into wet end and carries out wet end dehydration and pass through
Squeezing molding, drying, sizing, drying, curling obtain high-strength vermicelli ox card boxboard, the amylan being added in Process of Applying Glue, face
The solid content of layer glue and bottom glue is respectively 5.5% and 14%, makees anti-fake dyeing, the dyeing of addition in the Process of Applying Glue
Agent is orchil, and the additive amount of the coloring agent is paper 1kg per ton.
The preparation method of the high-strength vermicelli ox card boxboard of embodiment 3
(1) the preparation method is the same as that of Example 1 with recycled pulp for log slurry, and log slurry and recycled pulp are passed through highly concentrated desanding respectively
And scalping；
(2) recycled pulp is selected as short fine, middle fine and long fine three kinds of slurries by two sections of gradation sizings, then by protoplasm,
Through too low dense desanding, dusting cover, polydisc concentration and dirt count, polydisc concentration will for fluff pulp, middle fine slurry and long fine slurry
The concentration concentration of protoplasm, fluff pulp, middle fine slurry and long fine slurry is 10%, and heat partition can dissolve tiny glue therein
Glutinous object, improves stock quality；
(3) log slurry, fluff pulp, middle fine slurry and the long fine slurry after Overheating Treatment are passed through into fiberizer respectively
Mashing, make log slurry, fluff pulp, middle fine slurry and long fibre slurry freedom be respectively 340CSF, 350CSF, 360CSF,
360CSF；
(4) log slurry and middle fine slurry are mixed to get surface layer slurry according to 7.5:2.5, by long fine slurry and middle fine slurry
It is mixed to get center stock according to 7.5:2.5, long fine slurry and fluff pulp are mixed to get base pastes according to 1.5:8.5,
The vermicelli value of surface layer slurry, center stock and base pastes is respectively 32g/m2、70g/m2、112g/m2；
(5) drying strengthening agent, surface layer slurry, center stock and bottom per ton is added in surface layer slurry, center stock and base pastes
The additive amount of drying strengthening agent is respectively 8kg, 16kg, 17kg in layer slurry, and drying strengthening agent comprises the following components in parts by weight: cation becomes
Property 2 parts of starch, 30 parts of polyanion cellulose, 50 parts of acrylamide, 7 parts of acrylic acid, 8 parts of carboxylate, 4 parts of acrylonitrile, do strong
The solid content of agent is 20%；
(6) surface layer slurry, center stock and base pastes that drying strengthening agent is added are passed through into fan pump and pressurized screen stream respectively
Enter surface layer slurry head box, center stock head box and base pastes head box, is then fed into wet end and carries out wet end dehydration and pass through
Squeezing molding, drying, sizing, drying, curling obtain high-strength vermicelli ox card boxboard, the amylan being added in Process of Applying Glue, face
The solid content of layer glue and bottom glue is respectively 4.8% and 15%, makees anti-fake dyeing in Process of Applying Glue, the coloring agent of addition is
For orchil, the additive amount of coloring agent is paper 1kg per ton.
Performance measurement
It is prepared into respectively according to national standard GB/T1539, national standard GB/T2679.8, national standard GB/T2679.5 measurement embodiment 1-3
The burst index of the high-strength ox card boxboard arrived, lateral ring crush index and folding strength, the results are shown in Table 1.
Table 1
With burst index, lateral ring crush index and the folding strength of the high-strength ox card boxboard that method of the invention is prepared
Compared to the great promotion of vermicelli Niu Kayou at present on the market.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of preparation method of high-strength vermicelli ox card boxboard, which comprises the steps of:
S1. log slurry and recycled pulp are prepared respectively, and recycled pulp is selected as short fine, middle fine and long three kinds of fibre by two sections of gradation sizings
Log slurry, fluff pulp, middle fine slurry and long fine slurry are beaten through fiberizer by slurry respectively；
S2. log slurry and middle fine slurry are mixed to get surface layer slurry, long fine slurry and middle fine slurry is mixed to get core
Long fine slurry and fluff pulp are mixed to get base pastes by layer slurry；
S3. the surface layer slurry, center stock and base pastes are passed through into fan pump respectively and pressurized screen flows into surface layer slurry stream
Case, center stock head box and base pastes head box are starched, wet end is then fed into and carries out wet end dehydration and form, apply through squeezing
Glue, curling obtain the high-strength vermicelli ox card boxboard.
2. a kind of preparation method of high-strength vermicelli ox card boxboard according to claim 1, which is characterized in that the regeneration
The preparation method of slurry is by the useless progress pulping of U.S..
3. a kind of preparation method of high-strength vermicelli ox card boxboard according to claim 1, which is characterized in that the log
Slurry, fluff pulp, the freedom of middle fine slurry and long fine slurry are respectively 360 ± 20CSF, 400 ± 50CSF, 380 ± 20CSF
With 380 ± 20CSF.
4. a kind of preparation method of high-strength vermicelli ox card boxboard according to claim 1, which is characterized in that the surface layer
The mass percent of the slurry of log described in slurry is 70~80%, the mass percent of long fibre slurry described in the center stock
It is 65~75%, the mass percent of long fibre slurry is 5~15% described in the base pastes.
5. a kind of preparation method of high-strength vermicelli ox card boxboard according to claim 1, which is characterized in that the surface layer
The vermicelli amount of slurry, center stock and base pastes is respectively 30~40g/m2, 60~70g/m2, 105~115g/m2。
6. a kind of preparation method of high-strength vermicelli ox card boxboard according to claim 1, which is characterized in that in step S1
Further include highly concentrated desanding and scalping before two sections of classifying screens, further include between both ends section classifying screen and mashing low dense desanding, dusting cover,
Polydisc concentration, dirt count.
7. a kind of preparation method of high-strength vermicelli ox card boxboard according to claim 6, which is characterized in that the polydisc
The concentration concentration of log slurry, fluff pulp, middle fine slurry and long fine slurry is 8~10% by concentration.
8. a kind of preparation method of high-strength vermicelli ox card boxboard according to claim 6, which is characterized in that enter punching slurry
Drying strengthening agent is added into the surface layer slurry, center stock and the base pastes respectively before pump, surface layer slurry per ton, sandwich layer
The additive amount of drying strengthening agent is respectively 5~10kg, 15~20kg in slurry and base pastes, 15~20kg, and the drying strengthening agent is consolidated
Content is 20%.
9. a kind of preparation method of high-strength vermicelli ox card boxboard according to claim 1, which is characterized in that the sizing
It is added glue in the process, the glue is amylan, the solid content of the surface layer glue and bottom glue is respectively 4.5~
5.5% and 13~15%, make anti-fake dyeing in the Process of Applying Glue, the coloring agent of addition is orchil, the coloring agent
Additive amount be paper 1kg per ton.
10. a kind of high-strength vermicelli ox card boxboard, which is characterized in that by preparation method system according to any one of claims 1 to 9
It is standby to obtain.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111945468A (en) * | 2020-08-10 | 2020-11-17 | 玖龙纸业(天津)有限公司 | Craft paper and production method thereof |
| CN112442913A (en) * | 2020-10-21 | 2021-03-05 | 东莞建晖纸业有限公司 | Process for making paper substituted fiber ebony slag pulp |
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| CN106930139A (en) * | 2017-01-05 | 2017-07-07 | 东莞建晖纸业有限公司 | The preparation technology of environmentally friendly liner board |
| CN108252137A (en) * | 2017-12-08 | 2018-07-06 | 东莞建晖纸业有限公司 | The preparation process of high resistance to broken environmentally friendly kraft paperboard |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101851875A (en) * | 2010-05-17 | 2010-10-06 | 宁波中华纸业有限公司 | Method for processing anti-counterfeiting packaging paper board |
| CN102212983A (en) * | 2011-04-13 | 2011-10-12 | 浙江吉安纸容器有限公司 | High-intensity environment-friendly craft paper and manufacturing method thereof |
| CN105316977A (en) * | 2015-06-10 | 2016-02-10 | 江苏理文造纸有限公司 | A manufacturing process method for cardboard paper with a printing surface layer |
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Application publication date: 20190607 |