CN109594422A - A kind of multifunctional food packaging and processing paper and its manufacturing method - Google Patents
A kind of multifunctional food packaging and processing paper and its manufacturing method Download PDFInfo
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- CN109594422A CN109594422A CN201710924599.1A CN201710924599A CN109594422A CN 109594422 A CN109594422 A CN 109594422A CN 201710924599 A CN201710924599 A CN 201710924599A CN 109594422 A CN109594422 A CN 109594422A
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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
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/10—Packing paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/34—Kneading or mixing; Pulpers
- D21B1/345—Pulpers
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/20—Methods of refining
- D21D1/30—Disc mills
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F9/00—Complete machines for making continuous webs of paper
- D21F9/02—Complete machines for making continuous webs of paper of the Fourdrinier type
-
- 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
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/02—Chemical or chemomechanical or chemothermomechanical pulp
- D21H11/04—Kraft or sulfate pulp
-
- 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
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
- D21H17/55—Polyamides; Polyaminoamides; Polyester-amides
-
- 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
- D21H17/62—Rosin; Derivatives thereof
-
- 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
- D21H17/66—Salts, e.g. alums
-
- 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
- D21H17/71—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes
- D21H17/74—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes of organic and inorganic material
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/18—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising waxes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/20—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Paper (AREA)
Abstract
The invention discloses a kind of multifunctional food packaging and processing paper, the food packaging and processing are made of with paper paper base material and coating material, wherein, the paper base material includes plant pulp and polyamine epichlorohydrin resin, gum rosin and aluminum sulfate, and the coating material is made of wax, the grease proofing anti-fat liquor of mixed type and the grease proofing anti-rouge latex multiple emulsion of not fluorine-containing acrylic compounds.Multifunctional food packaging according to the present invention and processing paper, which pass through, starches interior response type new material and surface covering new material crosslinked action, assign paper product have the function of high-barrier, anti-sticking, water resistant, oil resistant, can cold and hot working, guarantee, meet food and production of articles, sale, secondary operation and packaging etc. to the quality requirement for using material, reaches the sci-tech product new standard requirement for meeting that country is safe and environment-friendly to food paper, innovates.
Description
Technical field
The present invention relates to field of papermaking, in particular to it is a kind of it is multi-functional (have anti-sticking, Water-proof and oil-proof concurrently, can be cold and hot
Processing) food packaging and processing paper and its manufacturing method, the food packaging and processing are with paper using the removing of high barrier height
The manufacture of water resistant oil resistant technology can provide safe preservation and holding original flavor mouthfeel for food and product.
Background technique
Can exist during food and product and the processing methods such as steam, is chilled, fried, roasting, have the objects such as water, water vapour, Residual oil
Matter is present in food and product surface, and in experience production and processing, flow package, these factors can be contacted with packaging material, this
After a little factors are contacted with packaging material, water and the substances such as vapor and Residual oil are in free state, can there is immersion, adhered food
And product state, certain time is interior to form damaging influence to food and product taste, surface state.
Currently used food and product wrapping paper anti-destructive prevention method have following several:
1) at least coating of wax layer (6-7 grams of wax/square metre) or extremely in 2 processing method increases is passed through using body paper surface
Few one layer of plastic film layer (10 grams/m or more) reaches and solves the problems, such as that collapse resistance is viscous, but this 2 times methods processed at
This height and food and product packaging it is airtight, reduce sensory issues, especially with material film layer mode, there are plastic films not
It is degradable and lead to serious environmental issue.
2) reached using the grease proofing rank method of raising and solve food and product oil resistant infiltration problem, but there are costs for the method
Increase, not can solve viscous, dry, wet packaging intensity guarantee effect.
Therefore to solve the above-mentioned problems, it is still desirable to develop the novel wrapping paper material for being used for food and product.
Summary of the invention
In view of the above-mentioned problems of the prior art, according to embodiment of the present invention, one object of the present invention
Be to provide a kind of multifunctional food packaging and processing paper, the food packaging and processing with paper have concurrently anti-sticking, Water-proof and oil-proof,
It can the performances such as cold and hot working.
Food packaging and processing according to the present invention are made of with paper paper base material and coating material, wherein the paper
Sill includes the polyamideepichlorohydrin of the 5-8 parts by weight of plant pulp and the plant pulp total weight based on 100 parts by weight
The aluminum sulfate of resin, the gum rosin of 2-4 parts by weight and 2-4 parts by weight；
The coating material is by the wax of 10-30 parts by weight, the grease proofing anti-fat liquor of mixed type of 30-60 parts by weight and 10-
The grease proofing anti-rouge latex multiple emulsion of the not fluorine-containing acrylic compounds of 40 parts by weight is constituted；
The plant pulp is starched selected from bleached sulphate needle, in bleached sulphate broad-leaved slurry and true qualities sulfate needle slurry
At least one is preferably selected from bleached sulphate needle slurry, bleached sulphate broad-leaved slurry and true qualities sulfate needle slurry extremely
It is two kinds few, such as can be bleached sulphate needle slurry and bleached sulphate broad-leaved slurry that weight ratio is 7:3 to 8:2, Huo Zhechong
Amount is starched than the true qualities sulfate needle for being 7:3 to 8:2 and bleached sulphate broad-leaved slurry, or is the true qualities sulfate of 100wt%
Needle slurry；.
Wherein the grease proofing anti-fat liquor of mixed type described in the coating material is the import of the auspicious trading company agency of Guangzhou Feng
Product is specially 2- methyl -2- acrylic acid and 2- methacrylic acid 2- hydroxyl ethanol ester, α-(1- oxo -2- propylene -1-
Base)-ω-hydroxyl poly- (Oxy-1,2- ethane diyl) and 2- acrylic acid ten trifluoros of 3,3,4,4,5,5,6,6,7,7,8,8,8- it is pungent
The grease proofing anti-fat liquor of the sodium salt mixed type of the copolymer of alcohol ester.
The coating material is formed at least one surface of the paper base material.
Preferably, in the paper base material, it is based on the plant pulp total weight, adds the daiamid epoxy chlorine of 5 parts by weight
The aluminum sulfate of propane resin, the gum rosin of 3 parts by weight and 3 parts by weight.
Preferably, the weight ratio of bleached softwood slurry and bleaching broad-leaved slurry is 8:2 in the paper base material.
Preferably, the bleached sulphate needle slurry, bleached sulphate broad-leaved slurry and true qualities sulfate needle slurry are commercially available
Product, such as can be to originate from Russian paper production quotient Ilim group.
It preferably, optionally may include fungicide in the paper base material, the content of the fungicide is 100-
300ml/ tons of oven dry stocks, preferably 200ml/ tons of oven dry stock.
Preferably, the coating material is by the wax of 10-30 parts by weight, the grease proofing anti-fat liquor of mixed type of 30-60 parts by weight
And the grease proofing anti-rouge latex multiple emulsion of not fluorine-containing acrylic compounds of 10-40 parts by weight is constituted；
Preferably, the grease proofing anti-rouge latex multiple emulsion of the not fluorine-containing acrylic compounds is to be produced by Dow Chemical
Commercial product.
The food packaging and processing have base weight 23-50g/m with paper2, tightness >=0.65g/cm3, machine direction tensile strength >=
2.5kN/m, cross direction tensile strength >=1.2kN/m, longitudinal tear degree >=200mN, lateral tearability >=180mN, moisture 5-8%,
Grease proofing grade >=7 grade, water imbibition≤15g/m2, wet tensile index (longitudinal direction) >=24N.m/g, pH value 5-6.5, paper surface light
It is sliding, non-toxic without raised adamant, safety and environmental protection.
According to another implementation of the invention, it is an object of the present invention to provide a kind of multifunctional food packets
Dress and the processing preparation method of paper, the described method comprises the following steps:
1) preparation of paper base material: by the bleached sulphate needle slurry and bleached sulphate broad-leaved that weight ratio is 7:3 to 8:2
Slurry is transported to the concentration that 5wt% is diluted with water in hydrabrusher, and in hydrabrusher dispersion hydrolysis impregnate profit rise it is 4 small
Shi Hou is transported to mill series with pump and carries out defibrination, and the beating degree of defibrination is 45-60 ° of SR, and weight in wet base 6-8g, slurry is according to work
It after skill milled, is transported in mud pit, is then based on the polyamideepichlorohydrin tree that 5-8 parts by weight are added in oven dry stock total weight
The aluminum sulfate of rouge, the gum rosin of 2-4 parts by weight and 2-4 parts by weight, it is sufficiently mixed uniform 30 minutes, recycles multi cylinder line mesh paper
Machine is copied into finished paper, the parameter in long network multi-cylinder paper machine production process: approach flow 0.3~0.5wt% of concentration, out wet end l Water Paper
Page moisture≤80%, out press section moisture≤60%, 5~8wt% of final finished paper moisture.
2) preparation of coating:
The paper base material prepared in step 1) is transported in the micro- painting machine in surface, the coating material lotion that will be prepared
It is sent into the micro- painting machine in surface in a manner of pumping, applies machine equipment pressure and immersion by the way that surface is micro- in moisture≤10wt% page
Mode absorption surface coating material emulsion.The pressure control of the micro- painting machine in surface is 0.2-0.3MPa, and temperature control is 40-60
DEG C, the soaking time in soak is 3-6 meters/min.
Wherein, food packaging and the processing coating material described in the preparation method of paper according to the present invention is made as follows
Standby, the wax, the grease proofing anti-fat liquor of mixed type and not fluorine-containing acrylic compounds for being 10-30:30-60:10-40 by weight ratio are grease proofing anti-
Then the mixing of rouge latex multiple emulsion is added water and stirs to form weight percent concentration as 10wt% or more, preferably 10wt%
To 20wt%, the soak of further preferably 10wt% to 12wt%.
The grease proofing anti-fat liquor of mixed type described in the coating material is the imported product of the auspicious trading company agency of Guangzhou Feng,
It is specially 2- methyl -2- acrylic acid and 2- methacrylic acid 2- hydroxyl ethanol ester, α-(1- oxo -2- propylene -1- base)-ω -
Hydroxyl poly- (Oxy-1,2- ethane diyl) and ten trifluoro octanol ester of 2- acrylic acid 3,3,4,4,5,5,6,6,7,7,8,8,8- are total to
The grease proofing anti-fat liquor of the sodium salt mixed type of polymers.
Preferably, the institute prepared in the step 1) of the preparation method of food packaging according to the present invention and processing paper
It states in paper base material, optionally may include fungicide, the content of the fungicide is 100-300ml/ tons of oven dry stocks, preferably
200ml/ tons of oven dry stocks.
Preferably, the institute prepared in the step 2) of the preparation method of food packaging according to the present invention and processing paper
Stating coating material coating weight is 0.5-1.5g/m2。
Preferably, food packaging and the processing coating material described in the preparation method of paper according to the present invention is formed in
On at least one surface of the paper base material.
According to another implementation of the invention, it is an object of the present invention to provide the multifunctional food packaging and
The processing purposes of paper, the purposes include: food and its anti-sticking of product, Water-proof and oil-proof, can cold and hot working packaging and add
Work.
Beneficial effect
Multifunctional food packaging according to the present invention and processing paper can efficiently against paraffin paper, leaching membrane paper is airtight draws
Mouthfeel reduction, surface softening, material degradation environmental protection and other issues are played, while having anti-sticking, Water-proof and oil-proof concurrently, can be used for food
Cold and hot working etc..By response type new material and surface covering new material crosslinked action in starching, assigning paper product has
High-barrier, anti-sticking, water resistant, oil resistant, can cold and hot working function, guarantee, meet food and production of articles, sale, secondary operation
And packaging etc. reaches the science and technology production for meeting that country is safe and environment-friendly to food paper, innovates to the quality requirement for using material
The requirement of product new standard.
Specific embodiment
Hereinafter, will be described in detail the present invention.Before doing so, it should be appreciated that in this specification and appended
Claims used in term should not be construed as being limited to general sense and dictionary meanings, and inventor should allowed
On the basis of the appropriate principle for defining term to carry out best interpretations, according to meaning corresponding with technical aspect of the invention and generally
Thought explains.Therefore, description presented herein is not intended to limitation originally merely for the sake of the preferred embodiment for illustrating purpose
The range of invention, it will thus be appreciated that without departing from the spirit and scope of the present invention, it can be obtained by it
His equivalents or improved procedure.
The problems such as currently used food and product wrapping paper permeate to solve oil resistant, environmentally friendly, often only passes through paper
The mode of surface treatment is improved, such as at least coating of wax layer or at least one layer of plastic foil on increasing on paper surface
Layer, but problem is to use thicker coating to reach the technical indicators such as enough oil resistant infiltrations, such as wax layer is 6-7 grams
Wax/square metre or plastic film layer be 10 grams/m or more, this affects the gas permeability of paper and there are environmental issues.
But if reducing coating layer thickness, then oil resistant infiltration anti-adhesion effects are bad.
For this purpose, the present inventor it is creative introduce simultaneously to the paper base material of food packaging and processing paper with
The mode that coating material improves simultaneously, by making paper base material and coating material be cross-linked with each other in applying coating material
Mode, is effectively reduced the dosage and thickness of coating material, at the same ensure that anti-sticking, Water-proof and oil-proof, can the performances such as cold and hot working.
Specifically, food packaging and processing according to the present invention are made of with paper paper base material and coating material,
Wherein the paper base material includes the bleached sulphate needle slurry and bleached sulphate broad-leaved slurry that weight ratio is 7:3 to 8:2, and
Based on oven dry stock total weight, the polyamine epichlorohydrin resin of 5-8 parts by weight, the gum rosin of 2-4 parts by weight and 2-4 parts by weight
Aluminum sulfate；
The coating material is by the wax of 10-30 parts by weight, the grease proofing anti-fat liquor of mixed type of 30-60 parts by weight and 10-
The grease proofing anti-rouge latex multiple emulsion of the not fluorine-containing acrylic compounds of 40 parts by weight is constituted；
Wherein the grease proofing anti-fat liquor of mixed type described in the coating material is the import of the auspicious trading company agency of Guangzhou Feng
Product is specially 2- methyl -2- acrylic acid and 2- methacrylic acid 2- hydroxyl ethanol ester, α-(1- oxo -2- propylene -1-
Base)-ω-hydroxyl poly- (Oxy-1,2- ethane diyl) and 2- acrylic acid ten trifluoros of 3,3,4,4,5,5,6,6,7,7,8,8,8- it is pungent
The grease proofing anti-fat liquor of the sodium salt mixed type of the copolymer of alcohol ester.
The coating material is formed at least one surface of the paper base material.
Preferably, in the paper base material, it is based on oven dry stock total weight, adds the polyamideepichlorohydrin of 5 parts by weight
The aluminum sulfate of resin, the gum rosin of 3 parts by weight and 3 parts by weight.
It preferably, optionally may include fungicide in the paper base material of paper according to the present invention, the sterilization
The content of agent is 100-300ml/ tons of oven dry stocks, preferably 200ml/ tons of oven dry stock.The fungicide is in paper manufacturing
Common fungicide.
Pass through pressure, temperature, soaking time and the immersion of the adjusting micro- painting machine in surface in the preparation step of paper coating
The parameters such as liquid concentration can effectively realize in polyamine epichlorohydrin resin in paper base material, gum rosin and coating material
The crosslinked action of the grease proofing anti-rouge latex multiple emulsion of the grease proofing anti-fat liquor of mixed type, not fluorine-containing acrylic compounds, so that even if paper
Sufficient anti-sticking, Water-proof and oil-proof and other effects also may be implemented in the thickness very little of coating on.
Preferably, the pressure control of the micro- painting machine in surface is 0.2-0.3MPa, temperature control in the preparation step of paper coating
It is made as 40-60 DEG C, the soaking time in soak is 3-6 meters/min.In addition, the immersion of the preparation step for paper coating
Liquid is prepared as follows, wax, the grease proofing anti-fat liquor of mixed type and the not fluorine-containing acrylic acid for being 10-30:30-60:10-40 by weight ratio
The grease proofing anti-rouge latex multiple emulsion mixing of class, is then added water and stirs to form weight percent concentration for 10wt% or more, preferably
For 10wt% to 20wt%, the soak of further preferably 10wt% to 12wt%.
When in above-mentioned condition range, optimal paper base material and coating is may be implemented in the state modulator of the micro- painting machine in surface
The crosslinking compound action of material.If pressure is less than 0.2MPa or temperature is lower than 40 DEG C, the daiamid epoxy in paper base material
The grease proofing anti-fat liquor of mixed type, not fluorine-containing acrylic compounds are grease proofing anti-in material in chloropropane resin, gum rosin and coating material
Rouge latex multiple emulsion cannot be full cross-linked, or even cannot achieve crosslinking；And if pressure is excessive, it is greater than 0.3MPa, or
Temperature is excessively high, such as is, for example, less than 3 meters/min or soak excessive concentration, example higher than 60 DEG C or long soaking time
Such as larger than 20wt% then may cause the problems such as coating layer thickness increases, paper is stiff, antistick characteristic decline.
For paper of the invention, water imbibition is important indicator.Such as the water suction of paper can be judged according to 60 value of Cobb
Property, but in order to guarantee that liquid water will not be rapidly losing, paper will have enough resistances to liquid water；But for vapor then resistance
Cannot be excessively high, therefore 60 value of Cobb should be maintained in certain zone of reasonableness, such as 10g/m2To 30g/m2, preferably 12g/
m2To 28g/m2, preferably 12g/m2To 16g/m2.60 value of Cobb can be measured according to the detection method of ISO 535.
In addition, the gas permeability of wrapping paper is also important indicator, wrapping paper can be judged according to Ben Tesheng permeability value
Permeability.Ben Tesheng permeability value is smaller to mean that gas permeability is lower, and Ben Tesheng permeability value is that 0ml/min is indicated not
Ventilative, the Ben Tesheng permeability value advantageously according to the paper of the invention can be 5ml/min to 15ml/min, preferably
For 9ml/min to 13ml/min, more preferably 10ml/min to 12ml/min.The Ben Tesheng permeability value can be according to ISO
The detection method of 5636-3 measures.
Following embodiment is enumerated only as the example of embodiment of the present invention, does not constitute any limit to the present invention
System, it will be appreciated by those skilled in the art that modification in the range of without departing from essence and design of the invention each falls within the present invention
Protection scope.Unless stated otherwise, reagent and instrument used in the following embodiment are commercially available product.
Embodiment 1
1) preparation of paper base material: 400kg bleached sulphate needle slurry and 100kg bleached sulphate broad-leaved slurry are transported to
In the hydrabrusher that volume is 10 cubic metres plus about 10 tons of water are diluted to the concentration of 5wt%, and disperse in hydrabrusher
After hydrolysis immersion profit rises 4 hours, mill series is transported to pump and carries out defibrination, the beating degree of defibrination is 45-60 ° of SR, and weight in wet base is
6-8g is transported in mud pit after slurry is according to technique milled, is then based on bleached sulphate needle slurry and bleached sulphate is wealthy
Leaf starches polyamine epichlorohydrin resin, the gum rosin of 15kg and the aluminum sulfate of 15kg that 25kg is added in total weight, is sufficiently mixed
Uniform 30 minutes, long network multi-cylinder paper machine is recycled to be copied into finished paper, the parameter in long network multi-cylinder paper machine production process: approach flow
0.3~0.5wt% of concentration, wet end l Water Paper page moisture≤80% out, press section moisture≤60% out, final finished paper moisture 5~
8wt%.
2) preparation of coating:
Wax, the grease proofing anti-fat liquor of mixed type and the grease proofing anti-rouge glue of not fluorine-containing acrylic compounds for being 30:30:40 by weight ratio
Then newborn multiple emulsion mixing is added water and stirs the soak to form weight percent concentration 12wt%.
The paper base material prepared in step 1) is transported in the micro- painting machine in surface, by the soak prepared to pump
Mode be sent into the micro- painting machine in surface, then set by the micro- painting machine in surface impregnating paper obtained in step 1) by soak
The mode absorption surface coating material emulsion of standby pressure, to form coating in paper surface.The pressure of the micro- painting machine in surface
Control is 0.2MPa, and temperature control is 47 DEG C, and the soaking time in soak is 4.2 meters/min.
60 value of Cobb of the cated paper of tool measured according to the detection method of ISO 535 is 15g/m2.According to
The Ben Tesheng permeability value of the detection method measurement of ISO 5636-3 is 5ml/min.
Sanitary index detection is carried out to paper manufactured in the present embodiment according to GB 4806.8-2016 food safety national standard.Inspection
It is as shown in table 1 below to survey result.
Table 1
Test result: the cated paper of tool prepared in accordance with the present invention meets GB 4806.8-2016 standard requirements.
Embodiment 2
Polyamine epichlorohydrin resin, the gum rosin of 20kg and the sulfuric acid of 20kg in addition to 30kg is added in step 1)
The grease proofing anti-fat liquor of wax, mixed type and the grease proofing anti-rouge latex Composite Milk of not fluorine-containing acrylic compounds other than aluminium, in step 2)
The mixed weight ratio of liquid is to prepare the cated paper of tool according to the identical mode of embodiment 1 other than 10:40:40.
60 value of Cobb of the cated paper of tool measured according to the detection method of ISO 535 is 13.4g/m2.Root
It is 10ml/min according to the Ben Tesheng permeability value that the detection method of ISO 5636-3 measures.
Embodiment 3
Polyamine epichlorohydrin resin, the gum rosin of 10kg and the sulfuric acid of 10kg in addition to 40kg is added in step 1)
The grease proofing anti-fat liquor of wax, mixed type and the grease proofing anti-rouge latex Composite Milk of not fluorine-containing acrylic compounds other than aluminium, in step 2)
The mixed weight ratio of liquid is to prepare the cated paper of tool according to the identical mode of embodiment 1 other than 15:60:10.
60 value of Cobb of the cated paper of tool measured according to the detection method of ISO 535 is 14.4g/m2.Root
It is 12ml/min according to the Ben Tesheng permeability value that the detection method of ISO 5636-3 measures.
Comparative example 1
It is identical according to embodiment 1 other than being added without polyamine epichlorohydrin resin and gum rosin in step 1)
Mode prepare the cated paper of tool.
60 value of Cobb of the cated paper of tool measured according to the detection method of ISO 535 is 67g/m2.According to
The Ben Tesheng permeability value of the detection method measurement of ISO 5636-3 is 54ml/min.
Comparative example 2
Other than being added without the grease proofing anti-rouge latex multiple emulsion of not fluorine-containing acrylic compounds in step 2), according to implementation
The identical mode of example 1 prepares the cated paper of tool.
60 value of Cobb of the cated paper of tool measured according to the detection method of ISO 535 is 54g/m2.According to
The Ben Tesheng permeability value of the detection method measurement of ISO 5636-3 is 77ml/min.
Comparative example 3
In addition to being added without polyamine epichlorohydrin resin and gum rosin in step 1), it is added without and is free of in step 2)
Other than the grease proofing anti-rouge latex multiple emulsion of the acrylic compounds of fluorine, the cated paper of tool is prepared according to the identical mode of embodiment 1.
60 value of Cobb of the cated paper of tool measured according to the detection method of ISO 535 is 214g/m2.Root
It is 90ml/min according to the Ben Tesheng permeability value that the detection method of ISO 5636-3 measures.
Claims (9)
1. a kind of multifunctional food packaging and processing paper, the food packaging and processing paper are by paper base material and coating material
It constitutes,
Wherein, the paper base material includes the poly- of the 5-8 parts by weight of plant pulp and the plant pulp total weight based on 100 parts by weight
The aluminum sulfate of amide epoxy chloropropane resin, the gum rosin of 2-4 parts by weight and 2-4 parts by weight；
The coating material is by the wax of 10-30 parts by weight, the grease proofing anti-fat liquor of mixed type of 30-60 parts by weight and 10-40 weight
The grease proofing anti-rouge latex multiple emulsion of not fluorine-containing acrylic compounds for measuring part is constituted；
Preferably, the plant pulp is selected from bleached sulphate needle slurry, bleached sulphate broad-leaved slurry and true qualities sulfate needle slurry
At least one of, it is preferably selected from bleached sulphate needle slurry, bleached sulphate broad-leaved slurry and true qualities sulfate needle slurry
At least two, such as can be bleached sulphate needle that weight ratio is 7:3 to 8:2 slurry and bleached sulphate broad-leaved slurry, or
The true qualities sulfate needle slurry and bleached sulphate broad-leaved slurry that person's weight ratio is 7:3 to 8:2, or be the true qualities sulphur of 100wt%
Hydrochlorate needle slurry；
Preferably, the grease proofing anti-fat liquor of mixed type described in the coating material is 2- methyl -2- acrylic acid and 2- metering system
Sour 2- hydroxyl ethanol ester, α-(1- oxo -2- propylene -1- base)-ω-hydroxyl poly- (Oxy-1,2- ethane diyl) and 2- acrylic acid
The grease proofing anti-fat liquor of sodium salt mixed type of the copolymer of ten trifluoro octanol ester of 3,3,4,4,5,5,6,6,7,7,8,8,8-.
2. multifunctional food packaging according to claim 1 and processing paper, which is characterized in that the coating material is formed
In at least one surface of the paper base material.
3. multifunctional food packaging according to claim 1 and processing paper, which is characterized in that preferably, the paper base
In material, it is based on the plant pulp total weight, adds the polyamine epichlorohydrin resin of 5 parts by weight, the gum rosin of 3 parts by weight
With the aluminum sulfate of 3 parts by weight；
Preferably, the weight ratio of bleached softwood slurry and bleaching broad-leaved slurry is 8:2 in the paper base material.
4. multifunctional food packaging according to claim 1 and processing paper, which is characterized in that preferably, the paper base
It optionally may include fungicide in material, the content of the fungicide is 100-300ml/ tons of oven dry stocks, preferably 200ml/
Ton oven dry stock.
5. multifunctional food packaging according to claim 1 and processing paper, which is characterized in that preferably, the coating
Material is not fluorine-containing by the wax of 10-30 parts by weight, the grease proofing anti-fat liquor of mixed type of 30-60 parts by weight and 10-40 parts by weight
The grease proofing anti-rouge latex multiple emulsion of acrylic compounds constitute；
Preferably, the grease proofing anti-rouge latex multiple emulsion of the not fluorine-containing acrylic compounds is commercially available to be produced by Dow Chemical
Product.
6. multifunctional food packaging according to claim 1 and processing use paper, which is characterized in that the food packaging and add
Work has base weight 23-50g/m with paper2, tightness >=0.65g/cm3, machine direction tensile strength >=2.5kN/m, cross direction tensile strength >=
1.2kN/m, longitudinal tear degree >=200mN, lateral tearability >=180mN, moisture 5-8%, grease proofing grade >=7 grade, water imbibition≤
15g/m2, wet tensile index (longitudinal direction) >=24N.m/g, pH value 5-6.5, paper surface it is smooth, without raised adamant, safety and environmental protection
It is non-toxic.
7. a kind of multifunctional food packaging and the processing preparation method of paper, the described method comprises the following steps:
1) preparation of paper base material: bleached sulphate needle slurry and bleached sulphate broad-leaved that weight ratio is 7:3 to 8:2 are starched defeated
It is sent to the concentration that 5wt% is diluted with water in hydrabrusher, and dispersion hydrolysis immersion profit rises 4 hours in hydrabrusher
Afterwards, mill series being transported to pump and carrying out defibrination, the beating degree of defibrination is 45-60 ° of SR, and weight in wet base 6-8g, slurry is according to technique
It after milled, is transported in mud pit, is then based on the polyamideepichlorohydrin tree that 5-8 parts by weight are added in oven dry stock total weight
The aluminum sulfate of rouge, the gum rosin of 2-4 parts by weight and 2-4 parts by weight, it is sufficiently mixed uniform 30 minutes, recycles multi cylinder line mesh paper
Machine is copied into finished paper, the parameter in long network multi-cylinder paper machine production process: approach flow 0.3~0.5wt% of concentration, wet end is wet out
Page moisture≤80%, out press section moisture≤60%, 5~8wt% of final finished paper moisture；
2) preparation of coating:
The paper base material prepared in step 1) is transported in the micro- painting machine in surface, by the coating material lotion prepared to pump
The mode sent is sent into the micro- painting machine in surface, in moisture≤10wt% page by way of the micro- painting machine equipment pressure in surface and immersion
Absorption surface coating material emulsion.The pressure control of the micro- painting machine in surface is 0.2-0.3MPa, and temperature control is 40-60 DEG C,
Soaking time in soak is 3-6 meters/min.
8. the preparation method that paper is used in multifunctional food packaging according to claim 7 and processing, which is characterized in that the food
Product packaging and processing coating material described in the preparation method of paper are prepared as follows, are 10-30:30-60:10-40 by weight ratio
Wax, the grease proofing anti-fat liquor of mixed type and the grease proofing anti-rouge latex multiple emulsion mixing of not fluorine-containing acrylic compounds, water is then added
It is 10wt% or more that stirring, which forms weight percent concentration, and preferably 10wt% to 20wt%, further preferably 10wt% are extremely
The soak of 12wt%；
Preferably, the grease proofing anti-fat liquor of mixed type described in the coating material is 2- methyl -2- acrylic acid and 2- metering system
Sour 2- hydroxyl ethanol ester, α-(1- oxo -2- propylene -1- base)-ω-hydroxyl poly- (Oxy-1,2- ethane diyl) and 2- acrylic acid
The grease proofing anti-fat liquor of sodium salt mixed type of the copolymer of ten trifluoro octanol ester of 3,3,4,4,5,5,6,6,7,7,8,8,8-；
Preferably, in the paper base material prepared in the step 1) of the preparation method of the food packaging and processing paper, appoint
Selection of land may include fungicide, and the content of the fungicide is 100-300ml/ tons of oven dry stocks, preferably 200ml/ tons of oven dry stock；
Preferably, it is prepared in the step 2) of the preparation method of food packaging according to the present invention and processing paper described
Coating material coating weight is 0.5-1.5g/m2；
Preferably, food packaging and the processing coating material described in the preparation method of paper according to the present invention is formed in described
On at least one surface of paper base material.
9. multifunctional food packaging and the processing purposes of paper according to claim 1, the purposes includes: food and its system
The anti-sticking of product, Water-proof and oil-proof, can cold and hot working packaging and processing.
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| WO2022140813A1 (en) * | 2020-12-29 | 2022-07-07 | Mondi Ag | Tray package unit outer packaging paper and method for producing same |
| US11401661B2 (en) | 2017-11-14 | 2022-08-02 | J & J Green Paper, Inc. | Recyclable composition for waterproofing paper utilizing a plant derived wax, pellets of the composition, recyclable waterproof paper laminate including the composition, recyclable hot beverage cup including the laminate, pod for making hot beverages including the laminate, and drinking straw including the laminate |
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| CN109594422B (en) | 2022-06-10 |
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