CN106243231B - It is a kind of high intensity papermaking coating sizing use modified starch - Google Patents
It is a kind of high intensity papermaking coating sizing use modified starch Download PDFInfo
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- CN106243231B CN106243231B CN201610622449.0A CN201610622449A CN106243231B CN 106243231 B CN106243231 B CN 106243231B CN 201610622449 A CN201610622449 A CN 201610622449A CN 106243231 B CN106243231 B CN 106243231B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B30/00—Preparation of starch, degraded or non-chemically modified starch, amylose, or amylopectin
- C08B30/12—Degraded, destructured or non-chemically modified starch, e.g. mechanically, enzymatically or by irradiation; Bleaching of starch
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/28—Starch
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/16—Sizing or water-repelling agents
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
Abstract
The invention discloses a kind of preparation methods of high-intensitive papermaking coating sizing modified starch：（1）Prepare starch suspension：Cornstarch is fully ground to and is crossed 200 meshes, is added in pure water, the suspension to form that mass fraction is 28-35% is stirred continuously by blender；(2) enzyme solutions are prepared：Water intaking threose, laccase, alkaline pectase, amylase, water are prepared into enzyme solutions；（3）Modification：Kept for 38 DEG C of constant temperature, by enzyme solutions according to weight ratio 1:50 ratio is added drop-wise in starch suspension, is stirred continuously processing 20-30min, finally heated to 80 DEG C processing 5min by blender；（4）Microwave radiation processing：After enzyme modification processing, with 300w microwave irradiation 5-8min；（5）After microwave radiation processing, with clear water rinsed clean, 80 DEG C of drying.
Description
Technical field
The present invention relates to a kind of high-intensitive papermaking coating sizing modified starches, belong to pulp technology for making paper.
Background technique
With the fast development of modern paper industry, new technique, new equipment and new technology are constantly used, to making
The requirement that paper is coated with sizing converted starch is also higher and higher, and the starch of single denaturation is difficult to meet needs, then, complex denaturation
Starch comes into being, and the application in paper industry is affirmed.
The prior art is disclosed a kind of TB-201 converted starch, is exactly by complex denaturation obtained from chemical modification twice
Starch makes gelatinization point, the rheological characteristic, stability, film forming of starch due to introducing various active group in starch molecule
Property, the performances such as cementability have obtained apparent improvement, be the excellent new material for being suitble to the sizing of modern paper industrial coating.
But the preparation process of the converted starch has largely used the chemical substances such as highly basic, it is very big to environmental injury.
The present invention is intended to provide a kind of novel high-intensitive papermaking coating sizing modified starch and its technique, to starch
Modification use environmental protection material and biotechnology, environmentally friendly fanout free region completely, and effect is also fine, makees paper and Board
Top sizing and coating, smoothness is more much higher than using PVA, starch paint it is softer it is easy pressure and it is smooth, printing adaptability is good,
Surface strength is high, does not lose powder, hair loss, especially surface strength be not very high.
Summary of the invention
The present invention in view of the shortcomings of the prior art, provide a kind of novel high-intensitive papermaking coating sizing modified starch and
Its technique uses environmental protection material and biotechnology to the modification of starch completely, environmentally friendly fanout free region, and effect is also very
It is good, make top sizing and the coating of paper and Board, smoothness is more much higher than using PVA, the softer easy pressure of starch paint and
Smoothly, printing adaptability is good, and surface strength is high, does not lose powder, not hair loss.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of high intensity papermaking coating sizing modified starch, is prepared via a method which to obtain：
（1）Prepare starch suspension：
Cornstarch is fully ground to and is crossed 200 meshes, is added in pure water, is stirred continuously to form quality by blender
Score is the suspension of 28-35%；
(2) enzyme solutions are prepared：
According to following parts by weight, fetch water threose 2-3 parts, 0.8-1.2 parts of laccase, 0.3 part of alkaline pectase, amylase
0.1 part, 100 parts of water, it is prepared into enzyme solutions；
（3）Modification：
Kept for 38 DEG C of constant temperature, by enzyme solutions according to weight ratio 1:50 ratio is added drop-wise in starch suspension, passes through stirring
Device is stirred continuously processing 20-30min, finally heated to 80 DEG C processing 5min；
（4）Microwave radiation processing：
After enzyme modification processing, with 300w microwave irradiation 5-8min；
（5）After microwave radiation processing, with clear water rinsed clean, 80 DEG C of drying.
The invention has the beneficial effects that：
The present invention provides a kind of novel high-intensitive papermaking coating sizing modified starch and its technique, changes to starch
Property uses environmental protection material and biotechnology, environmentally friendly fanout free region completely, and effect is also fine, makees the surface of paper and Board
Sizing and coating, smoothness is more much higher than using PVA, starch paint it is softer it is easy pressure and it is smooth, printing adaptability is good, surface
Intensity is high, does not lose powder, hair loss, especially surface strength be not very high.
Specific embodiment
Embodiment 1：
A kind of high intensity papermaking coating sizing modified starch, is prepared via a method which to obtain：
（1）Prepare starch suspension：
Cornstarch is fully ground to and is crossed 200 meshes, is added in pure water, is stirred continuously to form quality by blender
The suspension that score is 28%；
(2) enzyme solutions are prepared：
According to following parts by weight, fetch water 3 parts of threose, 0.8 part of laccase, 0.3 part of alkaline pectase, 0.1 part of amylase, water
100 parts, it is prepared into enzyme solutions；
（3）Modification：
Kept for 38 DEG C of constant temperature, by enzyme solutions according to weight ratio 1:50 ratio is added drop-wise in starch suspension, passes through stirring
Device is stirred continuously processing 30min, finally heated to 80 DEG C processing 5min；
（4）Microwave radiation processing：
After enzyme modification processing, with 300w microwave irradiation 5min；
（5）After microwave radiation processing, with clear water rinsed clean, 80 DEG C of drying.
Coating result on art paper：
Tightness 1.2g/cm3；Smoothness s286,396（Two-sided measurement）, surface strength 2.01,3.02（Two-sided measurement）, far
It is much better than PVA, slightly the modified starch effect better than the TB-201 of the prior art.
Embodiment 2：
A kind of high intensity papermaking coating sizing modified starch, is prepared via a method which to obtain：
（1）Prepare starch suspension：
Cornstarch is fully ground to and is crossed 200 meshes, is added in pure water, is stirred continuously to form quality by blender
The suspension that score is 35%；
(2) enzyme solutions are prepared：
According to following parts by weight, fetch water 2 parts of threose, 1.2 parts of laccase, 0.3 part of alkaline pectase, 0.1 part of amylase, water
100 parts, it is prepared into enzyme solutions；
（3）Modification：
Kept for 38 DEG C of constant temperature, by enzyme solutions according to weight ratio 1:50 ratio is added drop-wise in starch suspension, passes through stirring
Device is stirred continuously processing 20min, finally heated to 80 DEG C processing 5min；
（4）Microwave radiation processing：
After enzyme modification processing, with 300w microwave irradiation 8min；
（5）After microwave radiation processing, with clear water rinsed clean, 80 DEG C of drying.
Coating result on art paper：
Tightness 1.1g/cm3；Smoothness s298,389（Two-sided measurement）, surface strength 2.32,2.98（Two-sided measurement）, far
It is much better than PVA, slightly the modified starch effect better than the TB-201 of the prior art.
Embodiment 3：
A kind of high intensity papermaking coating sizing modified starch, is prepared via a method which to obtain：
（1）Prepare starch suspension：
Cornstarch is fully ground to and is crossed 200 meshes, is added in pure water, is stirred continuously to form quality by blender
The suspension that score is 29%；
(2) enzyme solutions are prepared：
According to following parts by weight, fetch water 3 parts of threose, 0.9 part of laccase, 0.3 part of alkaline pectase, 0.1 part of amylase, water
100 parts, it is prepared into enzyme solutions；
（3）Modification：
Kept for 38 DEG C of constant temperature, by enzyme solutions according to weight ratio 1:50 ratio is added drop-wise in starch suspension, passes through stirring
Device is stirred continuously processing 29min, finally heated to 80 DEG C processing 5min；
（4）Microwave radiation processing：
After enzyme modification processing, with 300w microwave irradiation 6min；
（5）After microwave radiation processing, with clear water rinsed clean, 80 DEG C of drying.
Coating result on art paper：
Tightness 1.2g/cm3；Smoothness s287,395（Two-sided measurement）, surface strength 2.08,3.01（Two-sided measurement）, far
It is much better than PVA, slightly the modified starch effect better than the TB-201 of the prior art.
Embodiment 4：
A kind of high intensity papermaking coating sizing modified starch, is prepared via a method which to obtain：
（1）Prepare starch suspension：
Cornstarch is fully ground to and is crossed 200 meshes, is added in pure water, is stirred continuously to form quality by blender
The suspension that score is 34%；
(2) enzyme solutions are prepared：
According to following parts by weight, fetch water 2 parts of threose, 1.1 parts of laccase, 0.3 part of alkaline pectase, 0.1 part of amylase, water
100 parts, it is prepared into enzyme solutions；
（3）Modification：
Kept for 38 DEG C of constant temperature, by enzyme solutions according to weight ratio 1:50 ratio is added drop-wise in starch suspension, passes through stirring
Device is stirred continuously processing 21min, finally heated to 80 DEG C processing 5min；
（4）Microwave radiation processing：
After enzyme modification processing, with 300w microwave irradiation 7min；
（5）After microwave radiation processing, with clear water rinsed clean, 80 DEG C of drying.
Coating result on art paper：
Tightness 1.1g/cm3；Smoothness s297,390（Two-sided measurement）, surface strength 2.22,2.99（Two-sided measurement）, far
It is much better than PVA, slightly the modified starch effect better than the TB-201 of the prior art.
Embodiment 5：
A kind of high intensity papermaking coating sizing modified starch, is prepared via a method which to obtain：
（1）Prepare starch suspension：
Cornstarch is fully ground to and is crossed 200 meshes, is added in pure water, is stirred continuously to form quality by blender
The suspension that score is 28%；
(2) enzyme solutions are prepared：
According to following parts by weight, fetch water 3 parts of threose, 1.0 parts of laccase, 0.3 part of alkaline pectase, 0.1 part of amylase, water
100 parts, it is prepared into enzyme solutions；
（3）Modification：
Kept for 38 DEG C of constant temperature, by enzyme solutions according to weight ratio 1:50 ratio is added drop-wise in starch suspension, passes through stirring
Device is stirred continuously processing 28min, finally heated to 80 DEG C processing 5min；
（4）Microwave radiation processing：
After enzyme modification processing, with 300w microwave irradiation 5min；
（5）After microwave radiation processing, with clear water rinsed clean, 80 DEG C of drying.
Coating result on art paper：
Tightness 1.2g/cm3；Smoothness s288,394（Two-sided measurement）, surface strength 2.17,3.00（Two-sided measurement）, far
It is much better than PVA, slightly the modified starch effect better than the TB-201 of the prior art.
Embodiment 6：
A kind of high intensity papermaking coating sizing modified starch, is prepared via a method which to obtain：
（1）Prepare starch suspension：
Cornstarch is fully ground to and is crossed 200 meshes, is added in pure water, is stirred continuously to form quality by blender
The suspension that score is 33%；
(2) enzyme solutions are prepared：
According to following parts by weight, fetch water 2 parts of threose, 0.8 part of laccase, 0.3 part of alkaline pectase, 0.1 part of amylase, water
100 parts, it is prepared into enzyme solutions；
（3）Modification：
Kept for 38 DEG C of constant temperature, by enzyme solutions according to weight ratio 1:50 ratio is added drop-wise in starch suspension, passes through stirring
Device is stirred continuously processing 22min, finally heated to 80 DEG C processing 5min；
（4）Microwave radiation processing：
After enzyme modification processing, with 300w microwave irradiation 8min；
（5）After microwave radiation processing, with clear water rinsed clean, 80 DEG C of drying.
Coating result on art paper：
Tightness 1.1g/cm3；Smoothness s296,391（Two-sided measurement）, surface strength 2.13,2.98（Two-sided measurement）, far
It is much better than PVA, slightly the modified starch effect better than the TB-201 of the prior art.
It can be seen that the present invention provides a kind of novel high-intensitive papermaking coating sizing modified starch and its technique,
Environmental protection material and biotechnology, environmentally friendly fanout free region are used completely to the modification of starch, and effect is also fine, make paper with
The top sizing of cardboard and coating, smoothness is more much higher than using PVA, the softer easy pressure of starch paint and it is smooth, printing is suitable
Answering property is good, and surface strength is high, does not lose powder, hair loss, especially surface strength be not very high.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (2)
1. a kind of high intensity papermaking coating sizing preparation method of modified starch, its step are as follows：
（1）Prepare starch suspension：
Cornstarch is fully ground to and is crossed 200 meshes, is added in pure water, is stirred continuously to form mass fraction by blender
For the suspension of 28-35%；
(2) enzyme solutions are prepared：
Water intaking threose, laccase, alkaline pectase, amylase, water are prepared into enzyme solutions；
（3）Modification：
Kept for 38 DEG C of constant temperature, by enzyme solutions according to weight ratio 1:50 ratio is added drop-wise in starch suspension, not by blender
Disconnected stir process 20-30min, finally heated to 80 DEG C processing 5min；
（4）Microwave radiation processing：
After enzyme modification processing, with 300w microwave irradiation 5-8min；
（5）After microwave radiation processing, with clear water rinsed clean, 80 DEG C of drying；
The step（2）For：According to following parts by weight, fetch water threose 2-3 parts, 0.8-1.2 parts of laccase, alkaline pectase 0.3
Part, 0.1 part of amylase, 100 parts of water, it is prepared into enzyme solutions.
2. the high-intensitive papermaking coating sizing modified starch that preparation method described in claim 1 obtains.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610622449.0A CN106243231B (en) | 2016-08-02 | 2016-08-02 | It is a kind of high intensity papermaking coating sizing use modified starch |
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| CN201610622449.0A CN106243231B (en) | 2016-08-02 | 2016-08-02 | It is a kind of high intensity papermaking coating sizing use modified starch |
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| CN106243231A CN106243231A (en) | 2016-12-21 |
| CN106243231B true CN106243231B (en) | 2018-11-30 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979763A (en) * | 2010-10-22 | 2011-02-23 | 东莞理文造纸厂有限公司 | Method for making papermaking starch glue |
| CN102757744A (en) * | 2012-07-20 | 2012-10-31 | 东莞市深联造纸有限公司 | Preparation method for starch glue |
| CN103556538A (en) * | 2013-11-16 | 2014-02-05 | 玖龙浆纸（乐山）有限公司 | Sizing method for high-strength corrugated paper |
| CN103773747A (en) * | 2014-01-17 | 2014-05-07 | 湖南鸿鹰生物科技有限公司 | Surface sizing special enzyme and preparation method thereof |
| CN104328157A (en) * | 2014-10-23 | 2015-02-04 | 西安米亿生物科技有限公司 | Preparation method of porous corn starch |
-
2016
- 2016-08-02 CN CN201610622449.0A patent/CN106243231B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979763A (en) * | 2010-10-22 | 2011-02-23 | 东莞理文造纸厂有限公司 | Method for making papermaking starch glue |
| CN102757744A (en) * | 2012-07-20 | 2012-10-31 | 东莞市深联造纸有限公司 | Preparation method for starch glue |
| CN103556538A (en) * | 2013-11-16 | 2014-02-05 | 玖龙浆纸（乐山）有限公司 | Sizing method for high-strength corrugated paper |
| CN103773747A (en) * | 2014-01-17 | 2014-05-07 | 湖南鸿鹰生物科技有限公司 | Surface sizing special enzyme and preparation method thereof |
| CN104328157A (en) * | 2014-10-23 | 2015-02-04 | 西安米亿生物科技有限公司 | Preparation method of porous corn starch |
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