CN106676964A - Preparation method and application of flame-retardant packaging material - Google Patents
Preparation method and application of flame-retardant packaging material Download PDFInfo
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- CN106676964A CN106676964A CN201611020103.XA CN201611020103A CN106676964A CN 106676964 A CN106676964 A CN 106676964A CN 201611020103 A CN201611020103 A CN 201611020103A CN 106676964 A CN106676964 A CN 106676964A
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- retardant
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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
- 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
- D21H21/34—Ignifugeants
-
- 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
- D21H19/36—Coatings with 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
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/385—Oxides, hydroxides or carbonates
-
- 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
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/40—Coatings with pigments characterised by the 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
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/54—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
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/56—Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/60—Polyalkenylalcohols; Polyalkenylethers; Polyalkenylesters
-
- 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
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/64—Inorganic compounds
-
- 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
- D21H27/10—Packing paper
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
- Laminated Bodies (AREA)
Abstract
The invention provides a preparation method of a flame-retardant packaging material. The preparation method comprises the following steps: step one, adding 600 to 700 parts of an adhesive, 30 to 50 parts of antimonous oxide, 100 to 200 parts of expandable graphite, 30 to 40 parts of magnesium hydroxide, 30 to 40 parts of aluminium hydroxide, 50 to 100 parts of sodium silicate, 30 to 60 parts of aluminum sulfate, 25 to 50 parts of sodium hypophosphite, 40 to 60 parts of montmorillonoid, 40 to 60 parts of calcium carbonate and 150 to 300 parts of deionized water, in parts by weight, into a reaction still, and intensely stirring the mixture to obtain a water-based flame retardant; and step two, using the water-based flame retardant to carry out surface sizing and coating treatment on a packaging material. The packaging material obtained in the invention is excellent in flame-retardant effect, and the processability and physical performance of the packaging material are not influenced. The material used for manufacturing flame-retardant corrugated boards and flame-retardant honeycomb paperboards is good in flame-retardant effect.
Description
Technical field
It is a kind of preparation side of fire-retardant packaging material specifically the present invention relates to a kind of preparation technology of packaging material
Method.
Background technology
Paper wrapper industry is one of field with the fastest developing speed in packing business, there is larger development space, is identified
It is one of most promising environmentally friendly packing material.For the material of product packaging, consider to be required for carrying out from security against fire angle
The packaging material of flame retardant treatment, particularly papery.The packing instructions packaging material of some specialities must have good resistance
Combustion performance, such as the packaging of inflammable, explosive dangerous products,
And the packaging of the product such as household, building materials.Addition fire retardant is the main way for reducing paper package material combustion
Footpath.
Authorization Notice No. discloses a kind of water base halogen-free flame-retardant paper and its preparation for the Chinese patent of the B of CN 102619139
Method, it is characterised in that be coated with flame-retardant layer on body paper surface, the flame-retardant layer is obtained by fire resistant fluid drying, the fire resistant fluid
It is made up of fire retardant, glue, defoamer, the fire retardant is compound for magnesium hydroxide or aluminium hydroxide are re-dubbed with antimony oxide
Fire retardant, or antimony oxide is re-dubbed composite flame-retardant agent with micron order or nanoscale hydrotalcite, or using three oxidations two
Antimony is used as fire retardant.
Although above-mentioned metal hydroxides, metal oxide based flame retardant and its compound have certain flame retardant effect and suppression
Cigarette ability, but flame retarding efficiency is low, to obtain good flame retardant effect, and addition causes packaging material typically more than 50%
Processing characteristics and physical property are remarkably decreased.
The content of the invention
As the result of various extensive and careful research and experiment, it has been found by the inventor that using can be swollen
The inorganic fire-retarded system of swollen graphite, antimony oxide, magnesium hydroxide and aluminium hydroxide makees fire retardant, and on this basis by phosphorus system
Fire retardant can effectively solve the low technology of flame retarding efficiency present in prior art and ask together with inorganic combustion inhibitor organic coupling
Topic, and can ensure that the processing characteristics and physical property of packaging material.Based on this discovery, the present invention is completed.
It is an object of the invention to solve at least the above and defect, and provide the advantage that at least will be described later.
In order to realize these purposes of the invention and further advantage, there is provided a kind of preparation side of fire-retardant packaging material
Method, step is as follows：
Step one：By weight, by 600~700 parts of adhesive, 30~50 parts of antimony oxide, expansible graphite 100
~200 parts, 30~40 parts of magnesium hydroxide, 30~40 parts of aluminium hydroxide, 50~100 parts of sodium metasilicate, 30~60 parts of aluminum sulfate, secondary phosphorus
In 25~50 parts of sour sodium, 40~60 parts of montmorillonite, 150~300 parts of addition reactors of 40~60 parts of calcium carbonate and deionized water, by force
Aqueous fire retardant is obtained under power stirring；
Step 2：The aqueous fire retardant is carried out into top sizing coating process to packaging material.
Preferably, wherein the reaction temperature in the reactor is 30~60 DEG C, the reaction time is 1~3 hour.Herein
More uniform aqueous fire retardant can be obtained under reaction temperature and reaction time, so that it is guaranteed that not influenceed after material surface coating
Its processing characteristics and physical property.
Preferably, wherein the granularity of the expansible graphite is more than or equal to 40 mesh.Expansible graphite can be in material list
Face forms tough and tensile layer of charcoal, and combustible is separated with thermal source；Largely absorbed heat in expansion process, reduce the temperature of system；
Acid ion in expansion process in release jacket coating, promotes dehydration carbonization, and can combine the free radical for producing that burns so as to interrupt
Chain reaction.Fire resistance influence of the varigrained expansible graphite on material is notable.If granularity is less than 40 mesh, flame retardant effect
It is unobvious.
Preferably, wherein quantification of 10-200 grams/m of the coating of the top sizing coating process.If coating is fixed
Amount is less than 10 grams/m, then flame retardant effect is not obvious, if coating is quantitatively more than 200 grams/m, fire retardant overweight coating,
Then have influence on the processing characteristics and physical property of material.
Preferably, wherein the adhesive be starch adhesive, the agent of polyvinyl alcohol gluing, waterglass in one kind or
Various mixtures.Production can be significantly reduced as adhesive using starch adhesive, the agent of polyvinyl alcohol gluing and waterglass
Cost, and more environment-friendly and green.
Preferably, wherein the top sizing coating process is coated on one side or the two sides of packaging material.In material
Surface selectively carry out one side or two sided coatings treatment, the packaging material of different flame retardant effects can be obtained, to adapt to
The fire-retardant packaging demand of different product.
Preferably, wherein the surface of the packaging material is bonded with base cloth layer, the base fabric is by multilayer diamond shaped knot
Structure is connected with each other and forms, and the length of side of the diamond structure is between 1~2 centimetre, and adjacent two layers of diamond shaped structure is by than rhombus
Structure linkage section connection thicker in itself, in the step 2, by the aqueous fire retardant to the base fabric of package material surface
Layer carries out applying glue coating process, and the coating thickness of the aqueous fire retardant is roughly the same with the rugosity of the linkage section.In bag
After package material surface bonds base cloth layer, the coating layer of the structure of base fabric fabric and fire retardant is organically combined, can further carried
Rise the fire resistance of product.
The present invention at least includes following beneficial effect：
Present invention employs the inorganic fire-retarded system of expansible graphite, antimony oxide, magnesium hydroxide and aluminium hydroxide, tool
Have cheap, flame retardant effect is excellent.Especially expansible graphite has the ability of the expansion that is rapidly heated, and is a kind of new nothing
Machine fire retardant, with more excellent fire resistance, more excellent heat-proof quality and longer fire resistance period.
Aluminum sulfate and sodium hypophosphite are added reaction compound system by the present invention, can with produced in situ fire retardant hypo-aluminum orthophosphate,
Together with inorganic combustion inhibitor organic coupling, more excellent fire resistance is obtained so as to by phosphorus flame retardant.
The present invention is bonded with base cloth layer in material surface, further improves the fire resistance of product.
Present invention employs waterborne flame retardant system, production cost, and more environment-friendly and green are not only reduced.
It is a still further object of the present invention to provide a kind of preparation method of fire-retarded corrugated paper plate, preparation process is as follows：Step
One：Preparation method according to any of the above-described fire-retardant packaging material prepares fire-retardant packaging material；Step 2：Will be described fire-retardant
Packaging material are used as the surface layer of the fire-retarded corrugated paper plate, sandwich layer, interlayer or nexine.
According to fire-retarded corrugated paper plate preparation process is simple prepared by the inventive method, low cost, environmental pollution is small, and
Adhesion-tight, difficult for drop-off, flame retardant effect is good, and processing characteristics and physical property meet product standard.
It is a still further object of the present invention to provide a kind of preparation method of Fire Retardant Honeycomb Paperboard, preparation process is as follows：Step
One：Preparation method according to any of the above-described fire-retardant packaging material prepares fire-retardant packaging material；Step 2：Will be described fire-retardant
Packaging material are used as the surface layer of the Fire Retardant Honeycomb Paperboard, sandwich layer, interlayer or nexine.
According to Fire Retardant Honeycomb Paperboard preparation process is simple prepared by the inventive method, low cost, environmental pollution is small, and
Adhesion-tight, difficult for drop-off, flame retardant effect is good, and processing characteristics and physical property meet product standard.
Further advantage of the invention, target and feature embody part by following explanation, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Specific embodiment
The present invention is described in further detail below, with make those skilled in the art with reference to specification word being capable of evidence
To implement.
It should be appreciated that it is used herein such as " have ", "comprising" and " including " term do not allot one or many
The presence or addition of individual other elements or its combination.
<Example 1>
Step one：In the reactor equipped with mechanical stirring device and thermometer, by weight, 20% weight is firstly added
600 parts of the starch adhesive of concentration is measured, stirring is opened.Under stirring, 30 parts of antimony oxide, 40 mesh expansible graphites are slowly added into
100 parts, 30 parts of magnesium hydroxide, 30 parts of aluminium hydroxide, 50 parts of sodium metasilicate, 30 parts of aluminum sulfate, 25 parts of sodium hypophosphite, montmorillonite 40
Part, in 150 parts of addition reactors of 40 parts of calcium carbonate and deionized water, reacted 3 hours at 30 DEG C of temperature under strong stirring, cooling
After obtain aqueous fire retardant.
Step 2：Base cloth layer, the base fabric are bonded in the single or double of quantification of 210 grams/m of U.S. cardboards
It is to be connected with each other to form by multilayer diamond shaped structure, the length of side of the diamond structure is between 1~2 centimetre, and adjacent two layers of rhombus
Shape structure is connected by the linkage section thicker in itself than diamond structure.Aqueous fire retardant obtained in the present embodiment step one is used
Sizing applicator carries out applying glue coating to the base cloth layer of U.S. paperboard plate surface, and the coating thickness of aqueous fire retardant is thick with the linkage section
Degree is roughly the same, and can prepare fire-retardant U.S. cardboard after 2 minutes in 140 DEG C of dryings, and aqueous fire retardant coating is quantification of
10 grams/m.
Further, by the present embodiment step 2 obtain fire-retardant U.S. cardboard be used for make corrugated board surface layer,
Sandwich layer, interlayer or nexine, can also obtain a kind of fire-retarded corrugated paper plate.The fire-retardant U.S. card that step 2 in the present embodiment is obtained
Cardboard is used to make surface layer, sandwich layer, interlayer or the nexine of honeycomb cardboard, can also obtain a kind of Fire Retardant Honeycomb Paperboard.Through surveying
Examination, the oxygen index (OI) of cardboard is 27.7%, and the processing characteristics and physical property of product meet product standard.
<Example 2>
Step one：In the reactor equipped with mechanical stirring device and thermometer, by weight, 10% is firstly added dense
700 parts of the polyvinyl alcohol gluing agent of degree, opens stirring.Under stirring, 50 parts of antimony oxide, 80 mesh expansible graphites are slowly added into
200 parts, 40 parts of magnesium hydroxide, 40 parts of aluminium hydroxide, 100 parts of sodium metasilicate, 60 parts of aluminum sulfate, 50 parts of sodium hypophosphite, montmorillonite 60
In part, 300 parts of addition reactors of 60 parts of calcium carbonate and deionized water, reacted 1 hour under temperature 60 C under strong stirring, cooling
After obtain aqueous fire retardant.
Step 2：Base cloth layer, the base fabric are bonded in the single or double of quantification of 210 grams/m of U.S. cardboards
It is to be connected with each other to form by multilayer diamond shaped structure, the length of side of the diamond structure is between 1~2 centimetre, and adjacent two layers of rhombus
Shape structure is connected by the linkage section thicker in itself than diamond structure.Aqueous fire retardant obtained in the present embodiment step one is used
Sizing applicator carries out applying glue coating to the base cloth layer of U.S. paperboard plate surface, and the coating thickness of aqueous fire retardant is thick with the linkage section
Degree is roughly the same, and can prepare fire-retardant U.S. cardboard after 2 minutes in 150 DEG C of dryings, and aqueous fire retardant coating is quantification of
200 grams/m.
Further, by the present embodiment step 2 obtain fire-retardant U.S. cardboard be used for make corrugated board surface layer,
Sandwich layer, interlayer or nexine, can also obtain a kind of fire-retarded corrugated paper plate.The fire-retardant U.S. card that step 2 in the present embodiment is obtained
Cardboard is used to make surface layer, sandwich layer, interlayer or the nexine of honeycomb cardboard, can also obtain a kind of Fire Retardant Honeycomb Paperboard.Through surveying
Examination, the oxygen index (OI) of cardboard is 45.0%, and the processing characteristics and physical property of product meet product standard.
<Example 3>
Step one：In the reactor equipped with mechanical stirring device and thermometer, by weight, 40 degree are firstly added
650 parts of waterglass adhesive, opens stirring.Under stirring, 40 parts of antimony oxide, 100 mesh expansible graphites 150 are slowly added into
Part, 35 parts of magnesium hydroxide, 35 parts of aluminium hydroxide, 75 parts of sodium metasilicate, 45 parts of aluminum sulfate, 35 parts of sodium hypophosphite, 50 parts of montmorillonite, carbon
In 50 parts of sour calcium and 225 parts of addition reactors of deionized water, reacted 2 hours under temperature 50 C under strong stirring, after cooling
To aqueous fire retardant.
Step 2：Base cloth layer, the base are bonded in the single or double of quantification of 110 grams/m of water leaf papers
Cloth is to be connected with each other to form by multilayer diamond shaped structure, and the length of side of the diamond structure is between 1~2 centimetre, and adjacent two layers of water chestnut
Shape and structure is connected by the linkage section thicker in itself than diamond structure.Aqueous fire retardant obtained in the present embodiment step one is adopted
Applying glue coating, the coating thickness of aqueous fire retardant and the linkage section are carried out to the base cloth layer of U.S. paperboard plate surface with sizing applicator
Rugosity is roughly the same, and can prepare fire-retardant water leaf paper after 2 minutes in 150 DEG C of dryings, and aqueous fire retardant coating is fixed
Measure is 50 grams/m.
Further, by the present embodiment step 2 obtain fire-retardant U.S. cardboard be used for make corrugated board surface layer,
Sandwich layer, interlayer or nexine, can also obtain a kind of fire-retarded corrugated paper plate.The fire-retardant U.S. card that step 2 in the present embodiment is obtained
Cardboard is used to make surface layer, sandwich layer, interlayer or the nexine of honeycomb cardboard, can also obtain a kind of Fire Retardant Honeycomb Paperboard.Through surveying
Examination, the oxygen index (OI) of cardboard is 35.1%, and the processing characteristics and physical property of product meet product standard.
In order to illustrate effect of the invention, it is as follows that inventor provides comparative experiments：
<Comparative example 1>
By in example 2, by weight, 80 200 parts of mesh expansible graphites replace with three oxidations two of same weight portion
Antimony, remaining parameter with it is identical in example 2, technical process is also identical.The product for being obtained after tested, the oxygen of cardboard
Index is 21.2%.
<Comparative example 2>
By in example 3, by weight, 45 parts of aluminum sulfate, 35 parts of sodium hypophosphite replace with three oxygen of same weight portion
Change two antimony, remaining parameter with it is identical in example 3, technical process is also identical.The product for being obtained after tested, cardboard
Oxygen index (OI) be 30.4%.
The product obtained to examples detailed above and comparative example is according to GB/T5454-1997《Weaving batch product combustibility determines oxygen
Assessment of indices method》Determine the oxygen index (OI) of product, it is considered that, oxygen index (OI)<27 category combustible material, 27≤oxygen index (OI)<32 category
Combustible material, the category nonflammable material of oxygen index (OI) >=32.
[table 1]
| The oxygen index (OI) of material | Fire resistance | |
| Example 1 | 27.7% | It is flammable |
| Example 2 | 45.0% | It is fire retardant |
| Example 3 | 35.1% | It is fire retardant |
| Comparative example 1 | 21.2% | It is inflammable |
| Comparative example 2 | 30.4% | It is flammable |
From upper table 1, it can be seen that comparative example 1 is compared with example 2, as a result of 80 mesh expansible graphites 200 in example 2
Weight portion, its fire resistance is promoted to fire retardant by inflammable, and flame retardant effect is significantly higher than in comparative example 1 three using same weight portion
Aoxidize the situation of two antimony.
Comparative example 2 compared with example 3, example 3 as a result of the weight portion of aluminum sulfate 45, the weight portion of sodium hypophosphite 35, its
Fire resistance is promoted to fire retardant by flammable, and flame retardant effect is significantly higher than in comparative example 2 using three oxidations two of the same weight portion of sulphur
The situation of antimony.
It can be seen that, present invention employs the inorganic fire-retarded body of expansible graphite, antimony oxide, magnesium hydroxide and aluminium hydroxide
System, with cheap, flame retardant effect is excellent.Aluminum sulfate and sodium hypophosphite are added into reaction compound system, can be with produced in situ
Fire retardant hypo-aluminum orthophosphate, so as to inorganic combustion inhibitor organic coupling together with, acquisition is more excellent fire-retardant by phosphorus flame retardant
Performance.Base cloth layer is bonded with material surface, the fire resistance of product is further improved.Waterborne flame retardant system is employed, no
Reduced by only production cost, and more environment-friendly and green.
Although embodiment of the present invention is disclosed as above, it is not restricted to listed in specification and implementation method
With.It can be applied to various suitable the field of the invention completely.For those skilled in the art, can be easily
Realize other modification.Therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details and shown here as the embodiment with description.
Claims (9)
1. a kind of preparation method of fire-retardant packaging material, it is characterised in that the preparation process is as follows：
Step one：By weight, by 600~700 parts of adhesive, 30~50 parts of antimony oxide, expansible graphite 100~
200 parts, 30~40 parts of magnesium hydroxide, 30~40 parts of aluminium hydroxide, 50~100 parts of sodium metasilicate, 30~60 parts of aluminum sulfate, hypophosphorous acid
In 25~50 parts of sodium, 40~60 parts of montmorillonite, 150~300 parts of addition reactors of 40~60 parts of calcium carbonate and deionized water, strength
Aqueous fire retardant is obtained under stirring；
Step 2：The aqueous fire retardant is carried out into top sizing coating process to packaging material.
2. the preparation method of fire-retardant packaging material according to claim 1, it is characterised in that：Reaction in the reactor
Temperature is 30~60 DEG C, and the reaction time is 1~3 hour.
3. the preparation method of fire-retardant packaging material according to claim 1, it is characterised in that：The grain of the expansible graphite
Degree is more than or equal to 40 mesh.
4. the preparation method of fire-retardant packaging material according to claim 1, it is characterised in that：At the top sizing coating
Quantification of 10-200 grams/m of the coating of reason.
5. the preparation method of fire-retardant packaging material according to claim 1, it is characterised in that：The adhesive is amylan
One or more mixture in glutinous agent, the agent of polyvinyl alcohol gluing, waterglass.
6. the preparation method of fire-retardant packaging material according to claim 1, it is characterised in that：At the top sizing coating
Reason is coated on one side or the two sides of packaging material.
7. the preparation method of fire-retardant packaging material according to claim 1, it is characterised in that the surface of the packaging material
Be bonded with base cloth layer, the base fabric is to be connected with each other to form by multilayer diamond shaped structure, the length of side of the diamond structure between 1~
2 centimetres, and adjacent two layers of diamond shaped structure is by the linkage section connection thicker in itself than diamond structure, in the step 2,
The aqueous fire retardant is carried out into applying glue coating process to the base cloth layer of package material surface, and the aqueous fire retardant coating
Thickness is roughly the same with the rugosity of the linkage section.
8. a kind of preparation method of fire-retarded corrugated paper plate, it is characterised in that the preparation process is as follows：
Step one：The preparation method of any fire-retardant packaging material according to claims 1 to 7 prepares fire-retardant packing timber
Material；
Step 2：Using the fire-retardant packaging material as the surface layer of the fire-retarded corrugated paper plate, sandwich layer, interlayer or nexine.
9. a kind of preparation method of Fire Retardant Honeycomb Paperboard, it is characterised in that the preparation process is as follows：
Step one：The preparation method of any fire-retardant packaging material according to claims 1 to 7 prepares fire-retardant packing timber
Material；
Step 2：Using the fire-retardant packaging material as the surface layer of the Fire Retardant Honeycomb Paperboard, sandwich layer, interlayer or nexine.
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| CN201611020103.XA CN106676964B (en) | 2016-11-17 | 2016-11-17 | A kind of preparation method and application of fire-retardant cardboard |
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| CN201611020103.XA CN106676964B (en) | 2016-11-17 | 2016-11-17 | A kind of preparation method and application of fire-retardant cardboard |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107858864A (en) * | 2017-10-29 | 2018-03-30 | 贵州铜仁华毅新型材料科技有限公司 | A kind of fire-retardant honeycomb paper core and preparation method thereof |
| CN115094676A (en) * | 2022-05-09 | 2022-09-23 | 仙鹤股份有限公司 | High-strength medical packaging paper and preparation method thereof |
| WO2022255367A1 (en) * | 2021-06-03 | 2022-12-08 | レンゴー株式会社 | Flame-retardant corrugated cardboard and method for manufacturing same |
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| CN102619139A (en) * | 2012-04-09 | 2012-08-01 | 天津商业大学 | Water-based halogen-free flame-retardant paper and preparation method thereof |
| CN104441893A (en) * | 2014-12-26 | 2015-03-25 | 常熟市天力包装有限公司 | Flame-retardant packaging material |
| CN105332321A (en) * | 2015-11-24 | 2016-02-17 | 沈阳领拓科技有限公司 | Expansion type flame retardant and application thereof to nonwoven foaming inflaming-retarding fireproof wallpaper |
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| CN115094676A (en) * | 2022-05-09 | 2022-09-23 | 仙鹤股份有限公司 | High-strength medical packaging paper and preparation method thereof |
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