CN110154488A - Three layers of composite waterproof corrugated board of one kind and its preparation process - Google Patents
Three layers of composite waterproof corrugated board of one kind and its preparation process Download PDFInfo
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- CN110154488A CN110154488A CN201910591638.XA CN201910591638A CN110154488A CN 110154488 A CN110154488 A CN 110154488A CN 201910591638 A CN201910591638 A CN 201910591638A CN 110154488 A CN110154488 A CN 110154488A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B29/005—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to another layer of paper or cardboard layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/08—Corrugated paper or cardboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- 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
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
-
- 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
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
-
- 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
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/69—Water-insoluble compounds, e.g. fillers, pigments modified, e.g. by association with other compositions prior to incorporation in the pulp or paper
-
- 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
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/30—Multi-ply
- D21H27/40—Multi-ply at least one of the sheets being non-planar, e.g. crêped
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Paper (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of three layers of composite waterproof corrugated board and its preparation processes.The preparation process of three layers of composite waterproof corrugated board the following steps are included: corrugated layer preparation；Facial tissue and the processing of interior paper: being immersed in enhancing solution in facial tissue and interior paper, take out after facial tissue and interior paper are impregnated with completely, dry in the environment of being placed in 45-55 DEG C；Enhancing solution is mixed by the component of following parts by weight: 0.7-1.1 parts of modified alta-muds, 0.5-0.9 parts of nano silicas, 1.2-1.6 parts of ceramic powders, 5-10 parts of acrylic acid ester emulsions, 1.3-1.6 parts of silica solution；Gluing is compound；Coat water-repellent paint.Three layers of composite waterproof corrugated board of the invention have intensity height, resistant to bending, the good advantage of waterproof and dampproof performance；In addition, preparation method of the invention has the advantages that preparation process is simple.
Description
Technical field
The present invention relates to corrugated paper technical fields, more specifically, it relates to a kind of three layers of composite waterproof corrugated board
And its preparation process.
Background technique
Corrugated paper has weight as most important packaging material, compared to other packaging materials (such as timber, cardboard)
Measure advantage light, at low cost, the weight about 600g/m of three layers of corrugated paper cardboard2, and the weight of the plank of same thickness is about
2000g/m2, it is 3 times of corrugated board or more.
Corrugated paper is composite material composed by cellulose fiber peacekeeping polymer binder, and raw material is body paper, can use wood
(leftover pieces of timber), straw pulp production are starched, and is convenient to recycle again.Due to the planarization of its cardboard, it may be convenient to
It is printed, and can be folded, in storage and the space for occupying very little when transport.
But existing corrugated paper cardboard is as packaging material that there is also some shortcomings: on the one hand, corrugated paper moisture resistance
Difference easily causes corrugated paper intensity to decline because penetrating into moisture, or even collapses damage, on the other hand, for the intensity of corrugated paper
It is lower, when product stacks are heavier, it is difficult to bear its weight, it is easily-deformable or lead to the damage event that collapses.
Therefore, for defect existing for above-mentioned corrugated paper, need to make a kind of intensity height, resistant to bending, waterproof performance is good
Corrugated paper.
Summary of the invention
In view of the deficienciess of the prior art, the first purpose of this invention is to provide a kind of three layers of composite waterproof watt
The preparation process of corrugated paper board, preparation process is simple, and the corrugated board intensity prepared is high, resistant to bending, and waterproof and dampproof performance is good.
Second object of the present invention is to provide a kind of three layers of composite waterproof corrugated board, high, resistance to intensity
Bending, the good advantage of waterproof and dampproof performance.
To realize above-mentioned first purpose, the present invention provides the following technical scheme that a kind of three layers of composite waterproof corrugation
The preparation process of cardboard, corrugated board include corrugated layer and are adhered fixed in the facial tissue of corrugated layer upper and lower surfaces and interior
Paper, the specific preparation process of corrugated board the following steps are included:
The preparation of corrugated layer: heating body paper with heater, and preheating temperature is 105-120 DEG C, preheating time 3.5-
10h carries out embossed to the body paper after heating with Corrugator roller, forms the corrugated layer of ripple type；
Facial tissue and the processing of interior paper: it is immersed in enhancing solution in facial tissue and interior paper, takes out, put after facial tissue and interior paper are impregnated with completely
It is dry in the environment of being placed in 45-55 DEG C；Enhancing solution is mixed by the component of following parts by weight: 0.7-1.1 parts of bentones
Soil, 0.5-0.9 parts of nano silicas, 1.2-1.6 parts of ceramic powders, 5-10 parts of acrylic acid ester emulsions, 1.3-1.6 parts of silica solution；
Gluing is compound: smearing adhesive on the stupefied peak of corrugated layer, facial tissue is bonded in the side of corrugated layer, interior paper is glued
It closes in the other side of corrugated layer, dries 5-8h at 130-145 DEG C；
Coating water-repellent paint: one layer of water-repellent paint is uniformly coated on the side of facial tissue and interior paper far from corrugated layer, is placed in 50-
Dry 10-15min at 60 DEG C, is made three layers of composite waterproof corrugated board, and the coated weight of water-repellent paint is (1.2-1.5) g/
m2。
Enhance the silicon in solution since facial tissue and interior paper to be immersed in enhancing solution by using above-mentioned technical proposal
Colloidal sol and acrylic acid ester emulsion have certain viscosity, can be when impregnating by modified alta-mud, nano silica, ceramic powder
It being adhered on facial tissue and interior paper, silica solution and acrylic acid ester emulsion can form one layer of hydrophobic membrane on facial tissue and interior paper, thus
Increase facial tissue and interior paper waterproof performance and intensity, then with adhesive facial tissue and interior paper intermediate adhesion corrugated layer, in face
Coat water-repellent paint on paper and interior paper, water-repellent paint can re-form one layer of hydrophobic skins on facial tissue and interior paper, water-repellent paint with
The enhancing solution component being adhered on facial tissue and interior paper cooperates, to enhance the waterproof and dampproof performance of facial tissue and interior paper.
Further, in the preparation of the corrugated layer, before heating body paper, it is viscous that one layer of starch is coated in the two sides of body paper
Mixture, by desiccant uniform adhesion on amylum adhesive；
The coated weight of the amylum adhesive is 1.0-1.3g/m2, the mass ratio of body paper and desiccant is 1:0.1-0.3.
By using above-mentioned technical proposal, when facial tissue is damaged, the vapor in air enters corrugation by facial tissue
When paper layer, the desiccant in corrugated layer gap can absorb the moisture in air, prevent moisture from entering corrugated case
The waterproof and dampproof performance of corrugated case is improved in inside.
Further, the desiccant is the composition of one or more of molecular sieve desiccant, calcium sulfate, silica gel.
By using above-mentioned technical proposal, molecular sieve desiccant can adsorb aqueous vapor, under high temperature environment, can also accommodate water
Molecule, calcium sulfate have hygroscopicity, and silica gel has open porous structure, and strong adsorption can adsorb many kinds of substance, and hygroscopic capacity can
Up to 40%, the moisture in air can be stopped, prevents moisture from entering inside corrugated case through facial tissue.
Further, the water-repellent paint comprises the following components in parts by weight: 5-6 parts of epoxy acrylic resins, 1-2 portions of lotuses
Leaf hydrophobing agent, 1-1.5 parts of composite emulsifying paraffin, 0.1-0.3 parts of organic silicon defoamers, 0.1-0.5 parts of dispersing agents, 2-3 parts of carbonic acid
Calcium, 1-1.5 part ethylene glycol, 0.1-0.5 parts of thickeners.
By using above-mentioned technical proposal, epoxy acrylic resin, lotus leaf hydrophobing agent and Composite Milk are used in water-repellent paint
The raw materials such as fossil waxes, epoxy acrylic resin have excellent water resistance, hot water resistance and caking property strong, and toughness is big, have excellent
Good adhesive force can be adhered on facial tissue and interior paper, play waterproof and dampproof effect, and lotus leaf hydrophobing agent is non-ionic cream
Liquid, and it is capable of forming lotus leaf effect does not glue water, can be improved the adhesion strength of water-repellent paint, hydrophobic properties of the surface and anti-
Viscous anti-pollution, lotus leaf hydrophobing agent are used cooperatively with composite emulsifying paraffin, can be improved the stability of lotus leaf hydrophobing agent, make waterproof
Coating is more smooth in facial tissue and interior paper surface, prevents the water-repellent paint on internal layer from causing to scratch to internal layer wrappage, and improves
The waterproof performance of water-repellent paint, defoaming agent can eliminate the micro-bubble in water-repellent paint, improve the density of water-repellent paint, mention
High waterproof moisture-proof effect, calcium carbonate play filling effect as filler, can be effectively improved the storage stability and waterproof of coating
Durability, heat resistance and the surface hardness of coating reduce film and shrink, and thickener can increase the sagging performance of water-repellent paint,
And cooperate with dispersing agent, in coating dispersion stage, it can be improved the viscosity of coating and be conducive to disperse.
Further, the composite emulsifying paraffin is made of following methods: (1) by 2-3 parts of paraffin and 0.5-1 parts of rosin trees
Rouge is put into reaction kettle, is heated to 80-90 DEG C of melting, is uniformly mixed, 0.5-0.8 parts of polyethylene are added, raise the temperature to
It 160-180 DEG C, is uniformly mixed；
(2) it is anhydrous that 0.3-0.6 parts of dimethicones, 0.1-0.3 parts of silicone emulsions and 3-4 parts are added into step (1) gains
Ethyl alcohol is uniformly mixed.
By using above-mentioned technical proposal, since stone oil content in paraffin wax is more, hydrophobicity is obvious, and waterproof and dampproof high effect is aobvious
Write, the flexibility of polyethylene is good, and permeability rate is low, with paraffin it is compound after, waterproof resistance is improved for the two, and being capable of shape
At the surface layer of one " wax ", prevent moisture from entering, to improve the moistureproof and waterproof effect of corrugated paper, dimethicone and rosin
Resin all has good waterproof performance, is capable of forming the waterproof of one layer of semipermanent, mould proof and insulating properties film, and diformazan
Base silicone oil has defoaming effect, improves the density of composite emulsifying paraffin, and silicone emulsion can reduce interfacial tension, make a variety of originals
Material mixing is more uniform；Paraffin and rosin resin are melted, are that polyethylene mixes, after three's mixing, waterproof performance waits until to mention
Height is dimethicone, silicone emulsion and dehydrated alcohol mixing, can reduce the surface tension of each raw material, keep raw material abundant
Mixing forms composite emulsifying paraffin.
Further, the dispersing agent is the mixture of sodium metasilicate and Sodium Polyacrylate that mass ratio is 1:0.5-1.2.
By using above-mentioned technical proposal, sodium metasilicate can penetrate into the gap and hole of each raw material of waterproof coating, solidification
Silica hydrogel can block capillary porosity duct afterwards, when the density and intensity and Sodium Polyacrylate for improving waterproof coating compound, dispersion effect
Fruit enhancing.
Further, the thickener is one of hydroxyethyl cellulose, polyacrylate, hydroxypropyl cellulose or several
The composition of kind.
By using above-mentioned technical proposal, hydroxyethyl cellulose and hydroxypropyl cellulose have good thickening, dispersion, cream
The characteristics such as change, bonding and film forming, and it can be improved the mobility and resist sagging of waterproof coating with good flow adjustment
Property, polyacrylate has flexibility and elasticity, is capable of forming waterproof membrane, and bonding is not fallen off securely, tensile strength height, can
Improve the tear resistance of waterproof coating.
Further, in the gluing composite steps, the temperature of adhesive is 60-65 DEG C.
Further, in the gluing composite steps, the forward speed of corrugated layer, facial tissue and interior paper is 30-50m/
min。
To realize above-mentioned second purpose, the present invention provides the following technical scheme that a kind of three layers of composite waterproof corrugation
Cardboard.
In conclusion the invention has the following advantages:
The first, facial tissue and interior paper are impregnated using enhancing solution due to the present invention, while increasing facial tissue and interior paper intensity, increases face
The waterproof performance of paper and interior paper, then by facial tissue and interior paper far from coating water-repellent paint, water-repellent paint energy on the side of corrugated layer
It is enough to form waterproof coating on the surface of facial tissue and interior paper, prevent moisture from entering, enhancing solution and water-repellent paint can cooperate,
Silica solution can improve the weatherability and mechanical property of epoxy resin in water-repellent paint in enhancing solution, to improve corrugated board
Waterproof and dampproof and bending resistance.
The second, composite emulsifying paraffin, paraffin preferably is made using raw materials such as paraffin, rosin resin, polyethylene in the present invention
It is more with the oil content of rosin resin etc., be capable of forming " wax " surface layer, improve the water isolating of waterproof coating, dimethicone and
Rosin resin is used in compounding, and one layer of semipermanent waterproof, mould proof film can be formed on facial tissue and interior paper, prevent moisture into
Enter, improves the waterproof moisture-proof effect of corrugated case.
Desiccant is adhered to the two sides of body paper using amylum adhesive by third, the present invention, can be absorbed and be stopped air
In moisture, further increase the waterproof and dampproof performance of corrugated board.
Specific embodiment
Invention is further described in detail with reference to embodiments.
The preparation example 1-3 of composite emulsifying paraffin
Paraffin is selected from the 60# paraffin that Hai Wei Chemical Co., Ltd. in Jinan sells in preparation example 1-3, and it is double that rosin resin is selected from Dongguan City
The rosin resin that the article No. of rubber sweater Co., Ltd sale is 34 is risen, silicone emulsion is selected from Hebei Duo Liwei Chemical Co., Ltd.
The CR100 type silicone emulsion of sale, dimethicone are selected from Shenzhen and overflow the KF96- that prosperous industrial trade Co., Ltd sells
350CS type dimethicone, polyethylene are selected from the LH506 type polyethylene that Suzhou gold modeling connection plasticizing Co., Ltd sells.
Preparation example 1:(1) according to the raw material proportioning in table 1,2kg paraffin and 0.5kg rosin resin are put into reaction kettle,
80 DEG C of meltings are heated to, are uniformly mixed, 0.5kg polyethylene is added, raises the temperature to 160 DEG C, are uniformly mixed；
(2) it is 90% that 0.3kg dimethicone, 0.1kg silicone emulsion and 3kg mass fraction are added into step (1) gains
Dehydrated alcohol, be uniformly mixed.
The raw material proportioning of composite emulsifying paraffin in 1 preparation example 1-3 of table
Preparation example 2:(1) according to the raw material proportioning in table 1,2.5kg paraffin and 0.8kg rosin resin are put into reaction kettle, added
Heat is uniformly mixed to 85 DEG C of meltings, 0.8kg polyethylene is added, raises the temperature to 170 DEG C, be uniformly mixed；
(2) 0.4kg dimethicone, 0.2kg silicone emulsion and 3.5kg mass fraction are added into step (1) gains is
93% dehydrated alcohol is uniformly mixed.
Preparation example 3:(1) according to the raw material proportioning in table 1,3.0kg paraffin and 1.0kg rosin resin are put into reaction kettle
In, 90 DEG C of meltings are heated to, are uniformly mixed, 1.0kg polyethylene is added, raises the temperature to 180 DEG C, are uniformly mixed；
(2) it is 95% that 0.6kg dimethicone, 0.3kg silicone emulsion and 4kg mass fraction are added into step (1) gains
Dehydrated alcohol, be uniformly mixed.
Embodiment
It is viscous to be selected from the starch that the article No. that Yu Fei Chemical Co., Ltd. in Hebei sells is 010 for amylum adhesive in embodiment 1-3
Mixture, adhesive are selected from the aqueous binder for the model G-305 that German-Chinese Chemical Industry Science Co., Ltd, Foshan City sells, and lotus leaf is dredged
Aqua is selected from the P800 type lotus leaf hydrophobing agent that upper marine base row Chemical Co., Ltd. sells, and organic silicon defoamer is selected from Huizhou City's moral
The DL-1165 type organic silicon defoamer that its new material Co., Ltd sells, hydroxyethyl cellulose are selected from German-Chinese chemical industry section, Foshan City
The N-313 type hydroxyethyl cellulose that skill Co., Ltd sells, polyacrylate are selected from Jinan sapphire member new material Co., Ltd and go out
The polyacrylate that the article No. sold is 201810, hydroxypropyl cellulose are selected from the article No. that Langfang Yu Langjiao industry Co., Ltd sells and are
20180820 hydroxypropyl cellulose.
Embodiment 1: a kind of three layers of composite waterproof corrugated board, including corrugated layer and be adhered fixed on corrugated layer
The facial tissue and interior paper on lower two surfaces, the preparation process of the corrugated board, comprising the following steps:
The preparation of corrugated layer: one layer of amylum adhesive is coated in the two sides of body paper, by desiccant uniform adhesion in starch adhesion
In agent, the coated weight of amylum adhesive is 1.0g/m2, the mass ratio of body paper and desiccant is 1:0.1, and desiccant is dry for molecular sieve
Drying prescription heats body paper with heater, preheating temperature be 105 DEG C, preheating time 3.5h, with Corrugator roller to heating after
Body paper carries out embossed, forms the corrugated layer of ripple type；
Facial tissue and the processing of interior paper: it is immersed in enhancing solution in facial tissue and interior paper, takes out, put after facial tissue and interior paper are impregnated with completely
It is dry in the environment of being placed in 45 DEG C；Component is mixed in enhancing solution table 2；
Gluing is compound: smearing adhesive on the stupefied peak of corrugated layer, facial tissue is bonded in the side of corrugated layer, interior paper is glued
It closes in the other side of corrugated layer, 5h is dried at 130 DEG C, the application temperature of adhesive is 60 DEG C, corrugated layer, interior paper and face
The forward speed of paper is 30m/min；
Coating water-repellent paint: one layer of water-repellent paint is uniformly coated on the side of facial tissue and interior paper far from corrugated layer, is placed in 50
Dry 10min at DEG C, is made three layers of composite waterproof corrugated board, and the coated weight of water-repellent paint is 1.2g/m2, water-repellent paint by
Raw material in table 2 is made in accordance with the following methods: 5kg epoxy acrylic resin and 1kg ethylene glycol is put into reaction kettle,
Stir 10min under the revolving speed of 1000r/min, add 2kg calcium carbonate, continue stir 15min, be added 0.1kg dispersing agent,
0.1kg organic silicon defoamer, 1kg lotus leaf hydrophobing agent and 0.1kg thickener, stir evenly, and 1kg composite emulsifying paraffin is added, will
Temperature is increased to 90 DEG C, is uniformly mixed, obtains water-repellent paint, wherein composite emulsifying paraffin is made of preparation example 1, and dispersing agent is
Mass ratio is the sodium metasilicate of 1:0.5 and the mixture of Sodium Polyacrylate, and thickener is hydroxyethyl cellulose.
Enhance the raw material proportioning of solution and water-repellent paint in 2 embodiment 1-3 of table
Embodiment 2: a kind of three layers of composite waterproof corrugated board, including corrugated layer and be adhered fixed two above and below corrugated layer
The facial tissue on surface and interior paper, the preparation process of the corrugated board, comprising the following steps:
The preparation of corrugated layer: one layer of amylum adhesive is coated in the two sides of body paper, by desiccant uniform adhesion in starch adhesion
In agent, the coated weight of amylum adhesive is 1.2g/m2, the mass ratio of body paper and desiccant is 1:0.2, and desiccant is calcium sulfate,
Body paper is heated with heater, preheating temperature is 110 DEG C, preheating time 6.5h, with Corrugator roller to the body paper after heating
Embossed is carried out, the corrugated layer of ripple type is formed；
Facial tissue and the processing of interior paper: it is immersed in enhancing solution in facial tissue and interior paper, takes out, put after facial tissue and interior paper are impregnated with completely
It is dry in the environment of being placed in 50 DEG C；Component is mixed in enhancing solution table 2；
Gluing is compound: smearing adhesive on the stupefied peak of corrugated layer, facial tissue is bonded in the side of corrugated layer, interior paper is glued
Close in the other side of corrugated layer, 6.5h dried at 138 DEG C, the application temperature of adhesive is 63 DEG C, corrugated layer, interior paper and
The forward speed of facial tissue is 40m/min；
Coating water-repellent paint: one layer of water-repellent paint is uniformly coated on the side of facial tissue and interior paper far from corrugated layer, is placed in 55
Dry 13min at DEG C, is made three layers of composite waterproof corrugated board, and the coated weight of water-repellent paint is 1.4g/m2, water-repellent paint by
Raw material in table 2 is made in accordance with the following methods: 5.5kg epoxy acrylic resin and 1.3kg ethylene glycol is put into reaction kettle,
Stir 13min under the revolving speed of 1300r/min, add 2.5kg calcium carbonate, continue stir 18min, be added 0.3kg dispersing agent,
0.2kg organic silicon defoamer, 1.5kg lotus leaf hydrophobing agent and 0.3kg thickener, stir evenly, and 1.3kg Composite Milk fossil is added
Wax raises the temperature to 100 DEG C, is uniformly mixed, obtains water-repellent paint, and wherein composite emulsifying paraffin is made of preparation example 2, point
Powder is the mixture of the sodium metasilicate that mass ratio is 1:0.8 and Sodium Polyacrylate, and thickener is polyacrylate.
Embodiment 3: a kind of three layers of composite waterproof corrugated board, including corrugated layer and be adhered fixed on corrugated layer
The facial tissue and interior paper on lower two surfaces, the preparation process of the corrugated board, comprising the following steps:
The preparation of corrugated layer: one layer of amylum adhesive is coated in the two sides of body paper, by desiccant uniform adhesion in starch adhesion
In agent, the coated weight of amylum adhesive is 1.3g/m2, the mass ratio of body paper and desiccant is 1:0.3, and desiccant is calcium sulfate,
Body paper is heated with heater, preheating temperature be 120 DEG C, preheating time 10h, with Corrugator roller to the body paper after heating into
Row embossed forms the corrugated layer of ripple type；
Facial tissue and the processing of interior paper: it is immersed in enhancing solution in facial tissue and interior paper, takes out, put after facial tissue and interior paper are impregnated with completely
It is dry in the environment of being placed in 55 DEG C；Component is mixed in enhancing solution table 2；
Gluing is compound: smearing adhesive on the stupefied peak of corrugated layer, facial tissue is bonded in the side of corrugated layer, interior paper is glued
It closes in the other side of corrugated layer, 8h is dried at 145 DEG C, the application temperature of adhesive is 65 DEG C, corrugated layer, interior paper and face
The forward speed of paper is 50m/min；
Coating water-repellent paint: one layer of water-repellent paint is uniformly coated on the side of facial tissue and interior paper far from corrugated layer, is placed in 60
Dry 15min at DEG C, is made three layers of composite waterproof corrugated board, and the coated weight of water-repellent paint is 1.5g/m2, water-repellent paint by
Raw material in table 2 is made in accordance with the following methods: 6kg epoxy acrylic resin and 1.5kg ethylene glycol is put into reaction kettle,
Stir 15min under the revolving speed of 1500r/min, add 3kg calcium carbonate, continue stir 20min, be added 0.5kg dispersing agent,
0.3kg organic silicon defoamer, 2kg lotus leaf hydrophobing agent and 0.5kg thickener, stir evenly, and 1.5kg composite emulsifying paraffin is added,
120 DEG C are raised the temperature to, is uniformly mixed, obtains water-repellent paint, wherein composite emulsifying paraffin is made of preparation example 3, dispersion
Agent is the mixture of the sodium metasilicate that mass ratio is 1:1.2 and Sodium Polyacrylate, and thickener is hydroxypropyl cellulose.
Comparative example
Comparative example 1: a kind of three layers of composite waterproof corrugated board, the difference from embodiment 1 is that, not by body paper in enhancing solution
Carry out immersion treatment.
Comparative example 2: a kind of three layers of composite waterproof corrugated board, the difference from embodiment 1 is that, not in corrugated layer
Two sides adhere to desiccant.
Comparative example 3: a kind of three layers of composite waterproof corrugated board, the difference from embodiment 1 is that, not in facial tissue and interior paper
Side far from corrugated layer coats water-repellent paint.
Comparative example 4: a kind of three layers of composite waterproof corrugated board, the difference from embodiment 1 is that, it is coated in interior paper and face
What the water-repellent paint on paper was prepared with embodiment 1 in the Chinese invention patent application file application No. is CN201710649337.9
Waterproofing agent substitution, waterproofing agent are respectively configured to sub-prime meter part are as follows: 13.6 parts of polyvinyl alcohol, 6.2 parts of ethyl cellulose, dodecane
4.5 parts of base sodium sulphate, 1.4 parts of melon bean gum, 1.2 parts of odium stearate.
Comparative example 5: it is prepared with embodiment 1 in the Chinese invention patent application file application No. is CN201710649337.9
High-strength waterproof corrugated paper as control, a kind of processing method of high-strength waterproof corrugated paper, comprising the following steps:
(1) paper make: according to quality meter part weigh 52 parts of stalk, 19 parts of the paper that is recycled and packaged, 10 parts of wastepaper, 6 parts of carbon fiber,
4 parts of burlap fiber, 2.8 parts of corn flour, 1.5 parts of xanthan gum crush after mixing above-mentioned raw materials and raw material mixed powder are made；By raw material
Paper in corrugation facial tissue, corrugating medium and corrugation is made in mixed powder after mashing, impurity elimination, forming processes；
(2) press mold: in corrugation facial tissue and corrugation on the inside of paper, coating is carried out using PVC film, and carry out lamination treatment, plating is made
Paper in film corrugation facial tissue, plated film corrugation；
(3) it fills: filler is filled to corrugating medium's groove, and spray xanthan gum according to the amount of filler quality 5.3%
Solution, is heat-treated 22min at a temperature of being placed in 59 DEG C, according to the amount of filler quality 3.2% to corrugating medium's table after natural cooling
Waterproofing agent is sprayed in face, and 33min is heated at a temperature of 72 DEG C, and circulation is sprayed waterproofing agent twice, and filling corrugating medium is made；
(4) adhesion-molded: by paper in plated film corrugated paper facial tissue, plated film corrugation and filling corrugating medium, adhesion-molded obtained bonding
Corrugated board；
(5) it dries: bonding corrugated board being subjected to drying and processing, high-strength waterproof corrugated board is made.
Performance detection test
Corrugated board is prepared according to method in embodiment 1-3 and embodiment 1-5, and detects corrugated board according to following detection method
Properties, then corrugated paper is put into 20 ± 2 DEG C of tap water, impregnate 1 hour (corrugated paper present position apart from the water surface extremely
Few 30mm), the performance of corrugated paper is detected again, and be will test result and be reported in Table 3 below:
1, it water absorption: is tested according to GB/T1540-2002 " measurement of paper and cardboard water imbibition "；
2, it pop strength: is tested according to GB/T6545-1998 " measuring method of corrugated board pop strength "；
3, it Punctured Strength: is tested according to GB/T2679.7-2005 " measurement of cardboard Punctured Strength "；
4, it side pressure strength: is tested according to GB/T6546-1998 " measuring method of corrugated board side pressure strength "；
5, ring crush intensity: A is detected according to HSD-A-GB2679.8 " cardboard ring crush intensity measuring method ".
The performance test results of each embodiment of table 3 and the corrugated board of each comparative example preparation
It is reached before not impregnating it can be seen from data in table 3 according to corrugated board pop strength prepared by method in embodiment 1-3
It is still 1340kPa or more after immersion, water absorption is only 0.84-0.88g/m to 1511kPa2, Punctured Strength impregnate after lose it is small,
Side pressure strength and ring crush intensity impregnate before preferably, lose small after immersion, it is excellent to illustrate that the corrugated board of embodiment 1-3 preparation has
Waterproof and dampproof performance, intensity is high, and folding quality is good.
Comparative example 1 impregnates facial tissue and interior paper because enhancing solution is not used, and the water absorption of corrugated board prepared by comparative example 1 is
5.47g/m2, the decline of the performances such as pop strength, Punctured Strength is obvious after immersion, illustrate to use enhancing solution immersion facial tissue and interior
Paper can be improved the moistureproof and waterproof performance and intensity of corrugated board.
Comparative example 2 because not body paper two sides adhere to desiccant, it can be seen from the test results that, comparative example 3 prepare watt
Corrugated paper board water absorption is 6.12g/m2, compared with embodiment 1-3, water absorption increases obviously, but corrugated board prepared by comparative example 2
The performances such as pop strength, Punctured Strength and embodiment 1-3 be not much different, illustrate to adhere to desiccant, Neng Gouti in body paper two sides
The waterproof and dampproof performance of high corrugated board.
Comparative example 3, can by testing result because not coating water-repellent paint on the side of facial tissue and interior paper far from corrugated layer
To find out, compared with embodiment 1-3, corrugated board water absorption prepared by comparative example 2 reaches 6.23g/m2, water absorption is big, and stabs
It wears intensity, pop strength, side pressure strength and ring crush intensity penalty values to increase, illustrates that water-repellent paint can reduce the property such as pop strength
The loss of energy, improves the waterproof performance and intensity of corrugated board.
Waterproofing agent of the comparative example 4 using prior art preparation, corrugated board and comparative example 1-3 preparation prepared by comparative example 4
Corrugated board compare, properties increase, but compared with embodiment 1-3, water absorption is big, pop strength and expose strong
Spend small, side pressure strength and ring crush intensity loss amount are big, illustrate that water-repellent paint prepared by the present invention and enhancing prepared by the present invention are molten
Liquid has preferable synergistic effect, can be improved the waterproof and dampproof performance and compression strength of corrugated board.
Comparative example 5 is the corrugated board of prior art preparation, the corrugated board of 1-3 preparation example of the embodiment of the present invention and comparison
Corrugated board prepared by example 5 is compared, and water absorption is small, and the performances such as pop strength are lost small after impregnating, and illustrates prepared by the present invention watt
Corrugated paper board has excellent waterproof and dampproof performance, and intensity is high, and folding quality is good.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (10)
1. a kind of preparation process of three layers of composite waterproof corrugated board, corrugated board include corrugated layer and be adhered fixed in watt
The facial tissue and interior paper of stupefied paper layer upper and lower surfaces, the specific preparation process of corrugated board the following steps are included:
The preparation of corrugated layer: heating body paper with heater, and preheating temperature is 105-120 DEG C, preheating time 3.5-
10h carries out embossed to the body paper after heating with Corrugator roller, forms the corrugated layer of ripple type；
Facial tissue and the processing of interior paper: it is immersed in enhancing solution in facial tissue and interior paper, takes out, put after facial tissue and interior paper are impregnated with completely
It is dry in the environment of being placed in 45-55 DEG C；Enhancing solution is mixed by the component of following parts by weight: 0.7-1.1 parts of bentones
Soil, 0.5-0.9 parts of nano silicas, 1.2-1.6 parts of ceramic powders, 5-10 parts of acrylic acid ester emulsions, 1.3-1.6 parts of silica solution；
Gluing is compound: smearing adhesive on the stupefied peak of corrugated layer, facial tissue is bonded in the side of corrugated layer, interior paper is glued
It closes in the other side of corrugated layer, dries 5-8h at 130-145 DEG C；
Coating water-repellent paint: one layer of water-repellent paint is uniformly coated on the side of facial tissue and interior paper far from corrugated layer, is placed in 50-
Dry 10-15min at 60 DEG C, is made three layers of composite waterproof corrugated board, and the coated weight of water-repellent paint is (1.2-1.5) g/
m2。
2. the preparation process of three layers of composite waterproof corrugated board according to claim 1, which is characterized in that the corrugation
In the preparation of paper layer, before heating body paper, one layer of amylum adhesive is coated in the two sides of body paper, desiccant uniform adhesion is being formed sediment
On powder adhesive；
The coated weight of the amylum adhesive is 1.0-1.3g/m2, the mass ratio of body paper and desiccant is 1:0.1-0.3.
3. the preparation process of three layers of composite waterproof corrugated board according to claim 2, which is characterized in that the drying
Agent is the composition of one or more of molecular sieve desiccant, calcium sulfate, silica gel.
4. the preparation process of three layers of composite waterproof corrugated board according to claim 1, which is characterized in that the waterproof
Coating comprises the following components in parts by weight: 5-6 parts of epoxy acrylic resins, 1-2 parts of lotus leaf hydrophobing agents, 1-1.5 parts of composite emulsifyings
Paraffin, 0.1-0.3 part organic silicon defoamer, 0.1-0.5 parts of dispersing agents, 2-3 parts of calcium carbonate, 1-1.5 parts of ethylene glycol, 0.1-0.5
Part thickener.
5. the preparation process of three layers of composite waterproof corrugated board according to claim 4, which is characterized in that described compound
Emulsified wax is made of following methods: (1) 2-3 parts of paraffin and 0.5-1 parts of rosin resins being put into reaction kettle, are heated to 80-
90 DEG C of meltings, are uniformly mixed, and 0.5-0.8 parts of polyethylene are added, raise the temperature to 160-180 DEG C, are uniformly mixed；
(2) it is anhydrous that 0.3-0.6 parts of dimethicones, 0.1-0.3 parts of silicone emulsions and 3-4 parts are added into step (1) gains
Ethyl alcohol is uniformly mixed.
6. the preparation process of three layers of composite waterproof corrugated board according to claim 4, which is characterized in that the dispersion
Agent is the mixture of the sodium metasilicate that mass ratio is 1:0.5-1.2 and Sodium Polyacrylate.
7. the preparation process of three layers of composite waterproof corrugated board according to claim 4, which is characterized in that the thickening
Agent is the composition of one or more of hydroxyethyl cellulose, polyacrylate, hydroxypropyl cellulose.
8. the preparation process of three layers of composite waterproof corrugated board according to claim 1, which is characterized in that the gluing
In composite steps, the temperature of adhesive is 60-65 DEG C.
9. the preparation process of three layers of composite waterproof corrugated board according to claim 1, which is characterized in that the gluing
In composite steps, the forward speed of corrugated layer, facial tissue and interior paper is 30-50m/min.
10. a kind of three layers of composite waterproof corrugated board, which is characterized in that multiple by described in any item three layers of claim 1-9
The preparation process for closing water proof type corrugated board is made.
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Application publication date: 20190823 |