CN104449461B - High-strength moisture-proof starch glue and preparation method and application method thereof - Google Patents
High-strength moisture-proof starch glue and preparation method and application method thereof Download PDFInfo
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- CN104449461B CN104449461B CN201410843397.0A CN201410843397A CN104449461B CN 104449461 B CN104449461 B CN 104449461B CN 201410843397 A CN201410843397 A CN 201410843397A CN 104449461 B CN104449461 B CN 104449461B
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- amylan
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- strength moistureproof
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Abstract
The invention relates to the technical field of adhesives, particularly to a high-strength moisture-proof starch glue and a preparation method and application method thereof. The high-strength moisture-proof starch glue is composed of the raw materials including, by weight part, 100 parts of corn starch, 4-20 parts of phenolic oligomer, 2-10 parts of polylactic acid, 0.5-3 parts of borax, 0.5-5 parts of nickel sulfate hexahydrate, 2-15 parts of sodium peroxide, 1-5 parts of tributyl phosphate and 200-300 parts of water. The h high-strength moisture-proof starch glue is high in bonding strength in humid environments, product bonding stability and moisture-proofness, has anti-mildew effects and avoids environmental pollution when degraded. The preparation method of the h high-strength moisture-proof starch glue is simple and convenient to apply.
Description
Technical field
The present invention relates to field of adhesive technology, be specifically related to a kind of high strength moistureproof amylan and preparation method thereof and answer
Use method.
Background technology
For many years, China's corrugated paper commonly uses waterglass as adhesive.But owing to the sodium hydrate content in waterglass is high,
Alkalescence is big, easily absorbs moisture, causes carton to make moist, even article in corrosion case.Amylan was used to replace waterglass later, by
Moisture will not be absorbed in amylan, it is not easy to make moist, be suitable as the adhesive of corrugated case.
Traditional starch adhesive, due to the limitation of structure itself, amylan is the most water-fast, in a humid environment its knot
Can drastically decline with joint efforts, after drying, amylan and goods meeting unsticking, cause correlated product normally to use.Therefore, need badly and carry
For a kind of amylan that adhesion is strong in tidewater environment.
Summary of the invention
It is an object of the invention to for above-mentioned deficiency of the prior art, it is provided that a kind of high strength moistureproof amylan and system thereof
Preparation Method and methods for using them, this amylan adhesion in a humid environment is good, high to the gluing stability of goods, moisture resistance
Good, have anti-mildew performance concurrently, amylan degraded environmentally safe, the preparation method of the present invention is simple, and application is convenient.For power
Profit requires to make the amendment adapted.
The purpose of the present invention is achieved through the following technical solutions.
A kind of high strength moistureproof amylan, is made up of the raw material of following weight portion:
Corn starch 100 parts
Phenolic aldehyde oligomer 4-20 part
Polylactic acid 2-10 part
Borax 0.5-3 part
Six hydration nickel sulfate 0.5-5 part
Sodium peroxide 2-15 part
Tributyl phosphate 1-5 part
Water 200-300 part.
Corn starch, as the bulk composition of amylan, plays adhesive effect.Phenolic aldehyde oligomer, and on starch molecular chain
Hydroxyl crosslinks, and forms network structure, improves adhesion strength.Simultaneously because cross-linking reaction consumes part of hydroxyl, improve anti-
Tidal energy power, the structural formula of phenolic aldehyde oligomer is
The molecular formula of polylactic acid is (C3H4O2)n, polylactic acid improves the intensity of amylan as reinforcing agent, and polylactic acid is permissible
Degradable, product is water and CO2, on environment without impact, it is ensured that the amylan prepared can be degraded and environmentally safe.Borax
Chemical formula is Na2(H2O)8[B4O5(OH)4], Borax and hydroxyl reaction, to play mildew-resistant, crosslinking, toughness reinforcing effect, also can improve resistance to
Aqueous and fungus resistance, it is ensured that prepared amylan is difficult to moldy metamorphism, product stability is good.The chemical formula of six hydration nickel sulfate
For NiSO4·6H2O, six hydration nickel sulfate has the effect promoting starch gelatinization as catalyst.The chemical formula of sodium peroxide is
Na2O2 , beneficially Oxytarch, the sodium hydroxide of generation can be as paste agent.The chemical formula of tributyl phosphate is OP
(OCH2CH2CH2CH3)3, it has fire-retardant characteristic effect.
Preferably, a kind of high strength moistureproof amylan, it is made up of the raw material of following weight portion:
Corn starch 100 parts
Phenolic aldehyde oligomer 4-10 part
Polylactic acid 2-5 part
Borax 0.5-1 part
Six hydration nickel sulfate 0.5-2.5 part
Sodium peroxide 2-8 part
Tributyl phosphate 1-2.5 part
Water 200-250 part.
Preferably, a kind of high strength moistureproof amylan, it is made up of the raw material of following weight portion:
Corn starch 100 parts
Phenolic aldehyde oligomer 10-20 part
Polylactic acid 5-10 part
Borax 1-3 part
Six hydration nickel sulfate 2.5-5 part
Sodium peroxide 8-15 part
Tributyl phosphate 2.5-5 part
Water 250-300 part.
Preferably, a kind of high strength moistureproof amylan, it is made up of the raw material of following weight portion:
Corn starch 100 parts
Phenolic aldehyde oligomer 8-15 part
Polylactic acid 2-8 part
Borax 1-2 part
Six hydration nickel sulfate 0.5-2 part
Sodium peroxide 6-10 part
Tributyl phosphate 1-2 part
Water 230-270 part.
The reaction mechanism of the present invention is: under the catalytic action of nickel sulfate, sodium peroxide is oxidized to dextrin corn starch,
The phenolic aldehyde oligomer added and Borax react away part of hydroxyl, reduce the hydrophilic of adhesive, concurrently form spacial framework,
Improve the bond strength of amylan.Polylactic acid there was added hydrophilic and the adhesion strength beneficially improving amylan.Additionally Borax
Having mildew-proof function, tributyl phosphate has fire retardation.
The preparation method of a kind of high strength moistureproof amylan, comprises the following steps:
Step (1), weigh the raw material of above-mentioned weight portion；
Step (2), the water of the first 70-80% adding total Water in corn starch also stir, subsequently at whipping process
Middle addition sodium peroxide and six hydration nickel sulfate；Continue stirring, until mixture becomes translucent；
Step (3), when the mixture of step (2) becomes translucent, add the water of 20-30% being dissolved in total Water
Borax obtained by borax solution, continue to be uniformly mixed；
Step (4), in the mixture of step (3), it is sequentially added into phenolic aldehyde oligomer, polylactic acid and tributyl phosphate, stands
0.5-1.5h, prepares high strength moistureproof amylan.
In described step (3), the water temperature dissolving Borax is 60-100 DEG C.
Described high strength moistureproof amylan is under conditions of ambient humidity is 30-60%, according to standard GB/T/T 6548-
2011, its bonding force is 79-169N.
The application process of a kind of high strength moistureproof amylan, prepares the preparation method of a kind of high strength moistureproof amylan
High strength moistureproof amylan is applied in corrugating medium, and its application process includes: first spread upon by high strength moistureproof amylan watt
On stupefied core paper, make facial tissue and core paper bond, then, it is applied pressure, and transfer at 40-60 DEG C and set to 0 .5-1.5min, make face
Together with paper is fully bonded under the effect of certain temperature and static pressure with core paper, place into standing 1.5-in climatic chamber
2.5h。
Described pressure size is 0.40-1.00 MPa.
Beneficial effects of the present invention:
The amylan of present invention adhesion in a humid environment is good, and high to the gluing stability of goods, moisture resistance is good,
Having anti-mildew performance concurrently, amylan degraded environmentally safe, the preparation method of the present invention is simple, and application is convenient.The present invention's
Amylan is under conditions of ambient humidity is 30-60%, and according to standard GB/T/T 6548-2011, its bonding force is 79-
169N。
Detailed description of the invention
The invention will be further described with the following Examples.
Embodiment 1
A kind of high strength moistureproof amylan of the present embodiment, is made up of the raw material of following weight portion:
Corn starch 100g
Phenolic aldehyde oligomer 8g
Polylactic acid 2g
Borax 1g
Six hydration nickel sulfate 0.5g
Sodium peroxide 8g
Tributyl phosphate 1g
Water 25g.
By starch adds total Water 80% water and stir, subsequently in whipping process add sodium peroxide and
Nickel sulfate, when it becomes translucent, adds Borax.Before addition, Borax first dissolves in the water of the 20% of total Water, and water temperature is
80 DEG C, after stirring, it is sequentially added into phenolic aldehyde oligomer, polylactic acid and tributyl phosphate, stands 0.5-1.5h, prepare high intensity
Moistureproof amylan.
The amylan of preparation is spread upon in corrugating medium, makes facial tissue bond with core paper, then, it is applied pressure 0.5
MPa, and at a temperature of 50 DEG C, place 1min, make facial tissue bond completely under the effect of certain temperature and static pressure with core paper
Together, standing 2h in climatic chamber is put into after.
Embodiment 2
A kind of high strength moistureproof amylan of the present embodiment, is made up of the raw material of following weight portion:
Corn starch 100g
Phenolic aldehyde oligomer 15g
Polylactic acid 8g
Borax 2g
Six hydration nickel sulfate 1g
Sodium peroxide 10g
Tributyl phosphate 2g
Water 250g.
By starch adds total Water 70% water and stir, subsequently in whipping process add sodium peroxide and
Nickel sulfate, when it becomes translucent, adds Borax.Before addition, Borax first dissolves in the water of the 30% of total Water, and water temperature is
60 DEG C, after stirring, it is sequentially added into phenolic aldehyde oligomer, polylactic acid and tributyl phosphate, stands 0.5h, prepare high strength moistureproof
Amylan.
The amylan of preparation is spread upon in corrugating medium, makes facial tissue bond with core paper, then, it is applied pressure 0.4
MPa, and at a temperature of 60 DEG C, place 1.5min, make facial tissue and core paper the most viscous under the effect of certain temperature and static pressure
Be combined, after put in climatic chamber standing 2.5h.
Embodiment 3
A kind of high strength moistureproof amylan of the present embodiment, is made up of the raw material of following weight portion:
Corn starch 100g
Phenolic aldehyde oligomer 10 g
Polylactic acid 5 g
Borax 0.8 g
Six hydration nickel sulfate 2 g
Sodium peroxide 3 g
Tributyl phosphate 3 g
Water 200 g.
By starch adds total Water 75% water and stir, subsequently in whipping process add sodium peroxide and
Nickel sulfate, when it becomes translucent, adds Borax.Before addition, Borax first dissolves in the water of the 25% of total Water, and water temperature is
75 DEG C, after stirring, it is sequentially added into phenolic aldehyde oligomer, polylactic acid and tributyl phosphate, stands 1h, prepare high strength moistureproof and form sediment
Arogel.
The amylan of preparation is spread upon in corrugating medium, makes facial tissue bond with core paper, then, it is applied pressure 0.8
MPa, and at a temperature of 40 DEG C, place 1.5min, make facial tissue and core paper the most viscous under the effect of certain temperature and static pressure
Be combined, after put in climatic chamber standing 1.5h.
Embodiment 4
A kind of high strength moistureproof amylan of the present embodiment, is made up of the raw material of following weight portion:
Corn starch 100 g
Phenolic aldehyde oligomer 20 g
Polylactic acid 10 g
Borax 3 g
Six hydration nickel sulfate 3 g
Sodium peroxide 15 g
Tributyl phosphate 5 g
Water 300 g.
By starch adds total Water 80% water and stir, subsequently in whipping process add sodium peroxide and
Nickel sulfate, when it becomes translucent, adds Borax.Before addition, Borax first dissolves in the water of the 20% of total Water, and water temperature is
80 DEG C, after stirring, it is sequentially added into phenolic aldehyde oligomer, polylactic acid and tributyl phosphate, stands 1.5h, prepare high strength moistureproof
Amylan.
The amylan of preparation is spread upon in corrugating medium, makes facial tissue bond with core paper, then, it is applied pressure 1.00
MPa, and at a temperature of 50 DEG C, place 1min, make facial tissue bond completely under the effect of certain temperature and static pressure with core paper
Together, standing 2.5h in climatic chamber is put into after.
The amylan that embodiments of the invention 1-4 prepares is according to national standard number: GB/T 6548-2011, test sample is not
With the cohesive force under humidity, its result is as shown in the table.
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | |
| Ambient humidity | 30% | 40% | 50% | 60% |
| Traditional starch glue | 131N | 101N | 84N | 55N |
| Moistureproof amylan | 169N | 135N | 124N | 79N |
Last it should be noted that, above example is only in order to illustrate technical scheme, rather than the present invention is protected
Protecting the restriction of scope, although having made to explain to the present invention with reference to preferred embodiment, those of ordinary skill in the art should
Work as understanding, technical scheme can be modified or equivalent, without deviating from the reality of technical solution of the present invention
Matter and scope.
Claims (8)
1. a high strength moistureproof amylan, it is characterised in that: it is made up of the raw material of following weight portion:
Corn starch 100 parts
Phenolic aldehyde oligomer 4-20 part
Polylactic acid 2-10 part
Borax 0.5-3 part
Six hydration nickel sulfate 0.5-5 part
Sodium peroxide 2-15 part
Tributyl phosphate 1-5 part
Water 200-300 part,
The structural formula of described phenolic aldehyde oligomer is。
A kind of high strength moistureproof amylan the most according to claim 1, it is characterised in that: it is made up of the raw material of following weight portion:
Corn starch 100 parts
Phenolic aldehyde oligomer 4-10 part
Polylactic acid 2-5 part
Borax 0.5-1 part
Six hydration nickel sulfate 0.5-2.5 part
Sodium peroxide 2-8 part
Tributyl phosphate 1-2.5 part
Water 200-250 part.
A kind of high strength moistureproof amylan the most according to claim 1, it is characterised in that: it is made up of the raw material of following weight portion:
Corn starch 100 parts
Phenolic aldehyde oligomer 10-20 part
Polylactic acid 5-10 part
Borax 1-3 part
Six hydration nickel sulfate 2.5-5 part
Sodium peroxide 8-15 part
Tributyl phosphate 2.5-5 part
Water 250-300 part.
A kind of high strength moistureproof amylan the most according to claim 1, it is characterised in that: it is made up of the raw material of following weight portion:
Corn starch 100 parts
Phenolic aldehyde oligomer 8-15 part
Polylactic acid 2-8 part
Borax 1-2 part
Six hydration nickel sulfate 0.5-2 part
Sodium peroxide 6-10 part
Tributyl phosphate 1-2 part
Water 230-270 part.
5. the preparation method of a kind of high strength moistureproof amylan described in any one in claim 1-4, it is characterised in that: bag
Include following steps:
Step (1), weigh the raw material of above-mentioned weight portion；
Step (2), the water of the first 70-80% adding total Water in corn starch also stir, and add subsequently in whipping process
Enter sodium peroxide and six hydration nickel sulfate；Continue stirring, until mixture becomes translucent；
Step (3), when the mixture of step (2) becomes translucent, add the boron of water of the 20-30% being dissolved in total Water
Borax solution obtained by sand, continues to be uniformly mixed；
Step (4), toward the mixture of step (3) is sequentially added into phenolic aldehyde oligomer, polylactic acid and tributyl phosphate, stand 0.5-
1.5h, prepares high strength moistureproof amylan.
The preparation method of a kind of high strength moistureproof amylan the most according to claim 5, it is characterised in that: in described step (3),
The water temperature dissolving Borax is 60-100 DEG C.
A kind of high strength moistureproof amylan the most according to claim 1, it is characterised in that: described high strength moistureproof amylan is at ring
Under conditions of border humidity is 30-60%, according to standard GB/T/T 6548-2011, its bonding force is 79-169N.
8. the application process of a high strength moistureproof amylan, it is characterised in that: described in claim 56 any one
High strength moistureproof amylan prepared by the preparation method of a kind of high strength moistureproof amylan is applied in corrugating medium, its application side
Method includes: first spread upon in corrugating medium by high strength moistureproof amylan, makes facial tissue bond with core paper, then, it is applied pressure
Power, the pressure of applying is 0.40-1.00 MPa, and transfers at 40-60 DEG C and set to 0 .5-1.5min, makes facial tissue bond completely with core paper
Together, standing 1.5-2.5h in climatic chamber is placed into.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410843397.0A CN104449461B (en) | 2014-12-30 | 2014-12-30 | High-strength moisture-proof starch glue and preparation method and application method thereof |
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| CN201410843397.0A CN104449461B (en) | 2014-12-30 | 2014-12-30 | High-strength moisture-proof starch glue and preparation method and application method thereof |
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| CN104449461B true CN104449461B (en) | 2017-01-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104845550A (en) * | 2015-04-29 | 2015-08-19 | 青岛海尔股份有限公司 | Adhesion agent, preparation method thereof and corrugated board |
| BR112018071352B1 (en) | 2016-04-19 | 2022-04-26 | Hexion Inc | Adhesive composition, article of manufacture, and, processes for forming an adhesive composition and for making an article of manufacture |
| CN114957944A (en) * | 2022-05-31 | 2022-08-30 | 武汉嘉诚塑胶有限公司 | Preparation method of environment-friendly EPE pearl wool material |
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| US5490876A (en) * | 1993-11-18 | 1996-02-13 | Reichhold Chemicals, Inc. | Starch-based adhesive |
| CN1181153C (en) * | 2003-02-28 | 2004-12-22 | 陈宝元 | Water-resisting starch binder for single-side machine and corrugated board production line and preparation method thereof |
| CN102838945A (en) * | 2012-09-27 | 2012-12-26 | 河南华丽纸业包装股份有限公司 | High-strength moisture-proof paperboard surface treatment agent |
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Address after: 523000 Building 2, 20 Dakang Road, Qiaotou town, Dongguan City, Guangdong Province Patentee after: Guangdong Huilin Packaging Technology Group Co.,Ltd. Address before: 523000 Dongguan Huilin Packaging Co., Ltd., the first industrial zone, Dazhou village, Qiaotou town, Dongguan City, Guangdong Province Patentee before: HUILIN PACKING DONGGUAN Co.,Ltd. |