CN109457543A - A kind of recyclable carton and preparation method thereof - Google Patents
A kind of recyclable carton and preparation method thereof Download PDFInfo
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- CN109457543A CN109457543A CN201811370366.2A CN201811370366A CN109457543A CN 109457543 A CN109457543 A CN 109457543A CN 201811370366 A CN201811370366 A CN 201811370366A CN 109457543 A CN109457543 A CN 109457543A
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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
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
-
- 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
-
- 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
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/10—Organic non-cellulose fibres
- D21H13/20—Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H13/24—Polyesters
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/28—Starch
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- 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
- D21H17/675—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
- 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
- D21H21/06—Paper forming aids
- D21H21/08—Dispersing agents for fibres
-
- 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
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
- Cartons (AREA)
Abstract
The invention discloses a kind of recyclable cartons and preparation method thereof, belong to carton preparation field.The material prescription of the recyclable carton includes wood pulp, industrial starch, glycerol, calcium carbonate, natural salad oil, stearic acid lubricant, acid fiber by polylactic, chitin, microwax, casein, aoxidizes native cellulose fibre.The present invention is reinforcement system by using microwax, casein, oxidation native cellulose fibre, improves the folding quality and degradability of recyclable carton.
Description
Technical field
The invention belongs to carton preparation fields, and in particular to a kind of recyclable carton and preparation method thereof.
Background technique
The maximum paper kind of consumption in recent years increment is boxboard, white board and fluting medium, and the summation of three big paper kinds accounts for the whole nation
The specific gravity of paper and cardboard total output and aggregate consumption alreadys exceed 55%.Paper and carton package product account for always packaging industry material
50% or more, paper products will be occupied more with good environmental-protecting performance, the advantage recycled with the continuous development of packing business
Industrial market, packing board will also occupy bigger share in paper industry.Traditional handicraft is used at present, with wood pulp, waste paper
The plate board product that can be used for every profession and trade of the manufactures such as slurry, density is larger, if using it as packing course, packaging material,
Can there is a problem of that density is big, while waste pulp sources, not environmentally.Carton is wide in daily life and field of industrial production application
It is general.In order to improve the mechanical strength of carton, people have carried out long-term exploration, propose various solutions.For example,
Some people are using the paper that intensity is higher or thickness is thicker as raw material, it is clear that this scheme is haveed the defects that at high cost.
Chinese patent application document " a kind of energy-saving environment-protective cardboard box material prescription (publication number: CN106351054A) " discloses
A kind of recyclable carton material prescription, the energy-saving environment-protective cardboard box material prescription include wood pulp, acid fiber by polylactic, polyacrylamide
Amine, alpha-alkene sulfonate, aluminium polychloride, polyethylene wax, titanium dioxide, octamethylcy-clotetrasiloxane, oxidation of alkyl amine polyoxy second
Alkene ether, diisooctyl phthalate, methylcellulose, Sodium Polyacrylate, deionized water can be improved the resistance to compression energy of carton
Power can guarantee that article will not be damaged when transporting article, while guarantee that article will not damage carton by pressure, avoid cardboard
Waste, protect environment, but insufficient to there is folding quality, degradability.
Summary of the invention
The object of the present invention is to provide a kind of recyclable cartons and preparation method thereof, " a kind of in Patent Application Publication to solve
On the basis of coating disclosed in energy-saving environment-protective cardboard box material prescription (publication number: CN106351054A) ", how to optimize component, uses
Amount, method etc. solve the problems, such as that folding quality, degradability are insufficient.
In order to solve the above technical problems, the invention adopts the following technical scheme:
A kind of recyclable carton, the material prescription of the recyclable carton include wood pulp, industrial starch, glycerol, calcium carbonate, day
Right salad oil, stearic acid lubricant, acid fiber by polylactic, chitin, microwax, casein aoxidize native cellulose fibre；
The microwax, casein, the ratio for aoxidizing native cellulose fibre is (20-30): (6-8): (10-20).
Further, the microwax, casein, the ratio for aoxidizing native cellulose fibre is 25:7:2.
Further, the material prescription of the recyclable carton is as unit of parts by weight, including following raw material: wood pulp 30-40
Part, industrial starch 10-15 parts, 5-10 parts of glycerol, 15-25 parts of calcium carbonate, natural salad oil 5-10 parts, stearic acid lubricant 5-
10 parts, 20-30 parts of acid fiber by polylactic, 2-4 parts of chitin, 20-30 parts of microwax, 6-8 parts of casein, oxidation native cellulose is fine
10-20 parts of dimension.
Further, the material prescription of the recyclable carton is as unit of parts by weight, including following raw material: 35 parts of wood pulp,
12.5 parts of industrial starch, 7.5 parts of glycerol, 20 parts of calcium carbonate, 7.5 parts of natural salad oil, gathers cream by 7.5 parts of stearic acid lubricant
25 parts of sour fiber, 25 parts of microwax, 7 parts of casein, aoxidizes 15 parts of native cellulose fibre by 3 parts of chitin.
Further, the oxidation native cellulose fibre be cellulose fibre that length is 20-40mm through overactivation and
Oxidation obtains.
A kind of preparation method according to above-mentioned recyclable carton, comprising the following steps: (1) mix wood pulp in beater
Uniformly, industrial starch is added, is uniformly mixed, acid fiber by polylactic, chitin, microwax is added, casein aoxidizes natural fiber
Cellulose fiber mashing stirring 2-4 hours, pH value was adjusted to neutrality；(2) glycerol, carbonic acid is added in paste mixture obtained by step (1)
Calcium, natural salad oil, stearic acid lubricant heat 70-80 DEG C after mixing, cool down after continuing mashing 2-4 hours, obtain paper
Plate slurry, for use；(3) the cardboard slurry that step (2) obtains is input on paperboard molding machine and is processed, carry out dehydration forming, into
2-3 drying of row is polished after placing 12-24 hours until making the water content 5-10% of cardboard, is cut and is formed up to the present invention
Recyclable carton.
Further, the adjusting pH value is to carry out pH value adjusting using sodium hydroxide solution or hydrochloric acid solution.
Further, the industrial starch and calcium carbonate are ground to 200 mesh or more before use.
The invention has the following advantages:
(1) as the data of embodiment 1-3 and comparative example 5 as it can be seen that the folding quality of recyclable carton made from embodiment 1-3 and
Degradability is significantly higher than folding quality made from comparative example 5 and degradability；Simultaneously by the data of embodiment 1-3 as it can be seen that embodiment 1
For optimum embodiment.
(2) by embodiment 1 and the data of comparative example 1-4 as it can be seen that microwax, casein, oxidation native cellulose fibre exist
It prepares and plays synergistic effect in recyclable carton, collaboration improves the folding quality and degradability of recyclable carton；This is:
The present invention based on acid fiber by polylactic, is added to the industrial starch as filler, calcium carbonate, day with wood pulp
So environmental protection is degradable, and has certain folding ability, while being added to glycerol, natural salad oil, stearic acid lubricant conduct
Lubricant and dispersing agent, to disperse starch and calcium carbonate.But by comparative example 1 it is found that only add above-mentioned component cannot
Realize satisfactory folding quality and degradability effect, therefore applicant, by repetition test, discovery is added to microwax, does
Casein, oxidation native cellulose fibre play synergistic effect in preparing recyclable carton.
Speculate that its possible mechanism is that microwax stickiness is larger, and has ductility, it is not fragile at low temperature, paper can be enhanced
The adhesive strength of each component in case formula system, to enhance folding quality, while it has the function of stronger dipping, Neng Gou
Calcium carbonate and starch particle surface film forming, avoid its reunion, promote its dispersion in system, while it has preferable degradation
Property, it can be decomposed under the action of microorganism, to realize the fast degradation of carton；Casein is natural adhesive, can
Be bonded in oxidation native cellulose fibre surface, promote its in wood pulp plant fiber and acid fiber by polylactic it is bonded to each other,
To improve the folding quality of whole system, while it can absorb moisture, in land burial, after absorbing large quantity of moisture, and cheese
Plain expansion rapidly, can make carton be crushed dissociation faster, to promote degradation；Oxidation native cellulose fibre has
Nanostructure and elasticity have better mechanical performance improvement, and surface are modified by microwax, cheese
Element promotes it bonded to each other with other fibers, improves sheet intensity, further improves folding quality, aoxidizes native cellulose fibre
With natural porous structure, it is easy to microorganism adsorption growth, casein can provide nutrient for microorganism, can further promote
The procreation of microorganism is decomposed, and degradability is improved.
(3) by the data of comparative example 6-8 as it can be seen that microwax, casein, the weight ratio for aoxidizing native cellulose fibre do not exist
(20-30): (6-8): when in (10-20) range, the waterproofness and degradability numerical value of recyclable carton obtained are with embodiment 1-3's
Numerical value is very different, suitable with the numerical value of the prior art (comparative example 5) much smaller than the numerical value of embodiment 1-3.Crystallite of the present invention
Wax, casein aoxidize native cellulose fibre as reinforcement system, and embodiment 1-3 control passes through addition when preparing recyclable carton
Microwax, casein, the weight ratio for aoxidizing native cellulose fibre is (20-30): (6-8): (10-20), is realized in reinforcing body
Using the adhesive strength of each component in microwax enhancing carton formula system in system, to enhance folding quality；Casein is day
Right adhesive can be bonded in the surface of oxidation native cellulose fibre, promote itself and the plant fiber and poly- cream in wood pulp
Sour fiber is bonded to each other, to improve the folding quality of whole system, while in land burial, carton sheet can be made very fast
Broken dissociation, to promote degradation；Oxidation native cellulose fibre is modified surface by microwax, cheese
Element promotes it bonded to each other with other fibers, improves sheet intensity, further improves folding quality, aoxidizes native cellulose fibre
With natural porous structure, it is easy to microorganism adsorption growth, casein provides nutrient, can further promote the numerous of microorganism
Spread out decomposition, improve degradability, so that microwax, casein, the reinforcement system that oxidation native cellulose fibre is constituted is in the present invention
Recyclable carton in, collaboration improve recyclable carton folding quality and degradability.
Specific embodiment
To facilitate a better understanding of the present invention, it is illustrated by the following examples, these examples belong to protection of the invention
Range, but do not limit the scope of the invention.
In embodiment, a kind of recyclable carton, the material prescription of the recyclable carton are including following as unit of parts by weight
Raw material: 30-40 parts of wood pulp, industrial starch 10-15 parts, 5-10 parts of glycerol, 15-25 parts of calcium carbonate, natural salad oil 5-10 parts,
5-10 parts of stearic acid lubricant, 20-30 parts of acid fiber by polylactic, 2-4 parts of chitin, 20-30 parts of microwax, 6-8 parts of casein, oxygen
Change native cellulose fibre 10-20 parts.
The oxidation native cellulose fibre is that the cellulose fibre that length is 20-40mm is obtained through overactivation and oxidation.
A kind of preparation method according to above-mentioned recyclable carton, comprising the following steps: (1) mix wood pulp in beater
Uniformly, industrial starch is added, is uniformly mixed, acid fiber by polylactic, chitin, microwax is added, casein aoxidizes natural fiber
Cellulose fiber mashing stirring 2-4 hours, pH value was adjusted to neutrality；(2) glycerol, carbonic acid is added in paste mixture obtained by step (1)
Calcium, natural salad oil, stearic acid lubricant heat 70-80 DEG C after mixing, cool down after continuing mashing 2-4 hours, obtain paper
Plate slurry, for use；(3) the cardboard slurry that step (2) obtains is input on paperboard molding machine and is processed, carry out dehydration forming, into
2-3 drying of row is polished after placing 12-24 hours until making the water content 5-10% of cardboard, is cut and is formed up to the present invention
Recyclable carton.
The adjusting pH value is to carry out pH value adjusting using sodium hydroxide solution or hydrochloric acid solution.The industrial starch and
Calcium carbonate is ground to 200 mesh or more before use.
Embodiment 1
A kind of recyclable carton, the material prescription of the recyclable carton is as unit of parts by weight, the material of the recyclable carton
Formula is as unit of parts by weight, including following raw material: 35 parts of wood pulp, 12.5 parts of industrial starch, and 7.5 parts of glycerol, calcium carbonate 20
Part, 7.5 parts of natural salad oil, 7.5 parts of stearic acid lubricant, 25 parts of acid fiber by polylactic, 3 parts of chitin, 25 parts of microwax, cheese
7 parts of element aoxidizes 15 parts of native cellulose fibre.
The oxidation native cellulose fibre is that the cellulose fibre that length is 30mm is obtained through overactivation and oxidation.
A kind of preparation method according to above-mentioned recyclable carton, comprising the following steps: (1) mix wood pulp in beater
Uniformly, industrial starch is added, is uniformly mixed, acid fiber by polylactic, chitin, microwax is added, casein aoxidizes natural fiber
Cellulose fiber mashing stirring 3 hours, pH value was adjusted to neutrality；(2) paste mixture obtained by step (1) is added glycerol, calcium carbonate,
Natural salad oil, stearic acid lubricant heat 75 DEG C after mixing, cool down after continuing mashing 3 hours, obtain cardboard slurry,
For use；(3) the cardboard slurry that step (2) obtains is input on paperboard molding machine and is processed, carry out dehydration forming, carried out 2 times and do
It is dry, until making the water content 7.5% of cardboard, polish after placing 18 hours, cuts and form up to recyclable carton of the invention.
The adjusting pH value is to carry out pH value adjusting using sodium hydroxide solution or hydrochloric acid solution.The industrial starch and
Calcium carbonate is ground to 200 mesh or more before use.
Embodiment 2
A kind of recyclable carton, the material prescription of the recyclable carton is as unit of parts by weight, including following raw material: wood pulp 30
Part, 15 parts of industrial starch, 5 parts of glycerol, 25 parts of calcium carbonate, 5 parts of natural salad oil, 10 parts of stearic acid lubricant, polylactic acid is fine
20 parts of dimension, 20 parts of microwax, 8 parts of casein, aoxidizes 10 parts of native cellulose fibre by 4 parts of chitin.
The oxidation native cellulose fibre is that the cellulose fibre that length is 20mm is obtained through overactivation and oxidation.
A kind of preparation method according to above-mentioned recyclable carton, comprising the following steps: (1) mix wood pulp in beater
Uniformly, industrial starch is added, is uniformly mixed, acid fiber by polylactic, chitin, microwax is added, casein aoxidizes natural fiber
Cellulose fiber mashing stirring 4 hours, pH value was adjusted to neutrality；(2) paste mixture obtained by step (1) is added glycerol, calcium carbonate,
Natural salad oil, stearic acid lubricant heat 70 DEG C after mixing, cool down after continuing mashing 4 hours, obtain cardboard slurry,
For use；(3) the cardboard slurry that step (2) obtains is input on paperboard molding machine and is processed, carry out dehydration forming, carried out 2 times and do
It is dry, until making the water content 10% of cardboard, polish after placing 12 hours, cuts and form up to recyclable carton of the invention.
The adjusting pH value is to carry out pH value adjusting using sodium hydroxide solution or hydrochloric acid solution.The industrial starch and
Calcium carbonate is ground to 200 mesh or more before use.
Embodiment 3
A kind of recyclable carton, the material prescription of the recyclable carton is as unit of parts by weight, including following raw material: wood pulp 40
Part, 10 parts of industrial starch, 10 parts of glycerol, 15 parts of calcium carbonate, 10 parts of natural salad oil, 5 parts of stearic acid lubricant, polylactic acid is fine
30 parts of dimension, 30 parts of microwax, 6 parts of casein, aoxidizes 20 parts of native cellulose fibre by 2 parts of chitin.
The oxidation native cellulose fibre is that the cellulose fibre that length is 40mm is obtained through overactivation and oxidation.
A kind of preparation method according to above-mentioned recyclable carton, comprising the following steps: (1) mix wood pulp in beater
Uniformly, industrial starch is added, is uniformly mixed, acid fiber by polylactic, chitin, microwax is added, casein aoxidizes natural fiber
Cellulose fiber mashing stirring 2 hours, pH value was adjusted to neutrality；(2) paste mixture obtained by step (1) is added glycerol, calcium carbonate,
Natural salad oil, stearic acid lubricant heat 80 DEG C after mixing, cool down after continuing mashing 2 hours, obtain cardboard slurry,
For use；(3) the cardboard slurry that step (2) obtains is input on paperboard molding machine and is processed, carry out dehydration forming, carried out 3 times and do
It is dry, until making the water content 5% of cardboard, polish after placing 24 hours, cuts and form up to recyclable carton of the invention.
The adjusting pH value is to carry out pH value adjusting using sodium hydroxide solution or hydrochloric acid solution.The industrial starch and
Calcium carbonate is ground to 200 mesh or more before use.
Comparative example 1
It is essentially identical with the preparation process of embodiment 1, have only unlike prepare in the raw material of recyclable carton and lack crystallite
Wax, casein aoxidize native cellulose fibre.
Comparative example 2
It is essentially identical with the preparation process of embodiment 1, have only unlike prepare in the raw material of recyclable carton and lack crystallite
Wax.
Comparative example 3
It is essentially identical with the preparation process of embodiment 1, have only unlike prepare in the raw material of recyclable carton and lack cheese
Element.
Comparative example 4
It is essentially identical with the preparation process of embodiment 1, have only unlike prepare in the raw material of recyclable carton and lack oxidation
Native cellulose fibre.
Comparative example 5
Using in Chinese patent application document " a kind of energy-saving environment-protective cardboard box material prescription (publication number: CN106351054A) "
Method described in specific embodiment 1 prepares coating.
Comparative example 6
It is essentially identical with the preparation process of embodiment 1, it has only the difference is that preparing microwax 40 in the raw material of recyclable carton
Part, 4 parts of casein, aoxidize 30 parts of native cellulose fibre.
Comparative example 7
It is essentially identical with the preparation process of embodiment 1, it has only the difference is that preparing microwax 15 in the raw material of recyclable carton
Part, 10 parts of casein, aoxidize 30 parts of native cellulose fibre.
Comparative example 8
It is essentially identical with the preparation process of embodiment 1, it has only the difference is that preparing microwax 40 in the raw material of recyclable carton
Part, 4 parts of casein, aoxidize 5 parts of native cellulose fibre.
To product made from embodiment 1-3 and comparative example 1-8, according to GB/T-457 " measurement of paper and cardboard folding strength " into
Row measurement folding number.By the detection method of GB/T-19277,45 days degrees of degradation are tested, as a result as shown in the table.
As seen from the above table: (1) as the data of embodiment 1-3 and comparative example 5 as it can be seen that recyclable carton made from embodiment 1-3
Folding quality and degradability be significantly higher than folding quality made from comparative example 5 and degradability；Simultaneously by the data of embodiment 1-3
As it can be seen that embodiment 1 is optimum embodiment.
(2) by embodiment 1 and the data of comparative example 1-4 as it can be seen that microwax, casein, oxidation native cellulose fibre exist
It prepares and plays synergistic effect in recyclable carton, collaboration improves the folding quality and degradability of recyclable carton；This is:
The present invention based on acid fiber by polylactic, is added to the industrial starch as filler, calcium carbonate, day with wood pulp
So environmental protection is degradable, and has certain folding ability, while being added to glycerol, natural salad oil, stearic acid lubricant conduct
Lubricant and dispersing agent, to disperse starch and calcium carbonate.But by comparative example 1 it is found that only add above-mentioned component cannot
Realize satisfactory folding quality and degradability effect, therefore applicant, by repetition test, discovery is added to microwax, does
Casein, oxidation native cellulose fibre play synergistic effect in preparing recyclable carton.
Speculate that its possible mechanism is that microwax stickiness is larger, and has ductility, it is not fragile at low temperature, paper can be enhanced
The adhesive strength of each component in case formula system, to enhance folding quality, while it has the function of stronger dipping, Neng Gou
Calcium carbonate and starch particle surface film forming, avoid its reunion, promote its dispersion in system, while it has preferable degradation
Property, it can be decomposed under the action of microorganism, to realize the fast degradation of carton；Casein is natural adhesive, can
Be bonded in oxidation native cellulose fibre surface, promote its in wood pulp plant fiber and acid fiber by polylactic it is bonded to each other,
To improve the folding quality of whole system, while it can absorb moisture, in land burial, after absorbing large quantity of moisture, and cheese
Plain expansion rapidly, can make carton sheet be crushed dissociation faster, to promote degradation；Aoxidize native cellulose fibre tool
Some nanostructures and elasticity have better mechanical performance improvement, and surface are modified by microwax,
Casein promotes it bonded to each other with other fibers, improves sheet intensity, further improves folding quality, aoxidizes native cellulose
Fiber has natural porous structure, is easy to microorganism adsorption growth, and casein can provide nutrient for microorganism, can be further
Promote the procreation of microorganism to decompose, improves degradability.
(3) by the data of comparative example 6-8 as it can be seen that microwax, casein, the weight ratio for aoxidizing native cellulose fibre do not exist
(20-30): (6-8): when in (10-20) range, the waterproofness of aluminum plastic film obtained and the number of degradability numerical value and embodiment 1-3
Value is very different, suitable with the numerical value of the prior art (comparative example 5) much smaller than the numerical value of embodiment 1-3.Microwax of the present invention,
Casein aoxidizes native cellulose fibre as reinforcement system, by addition crystallite when embodiment 1-3 control prepares recyclable carton
Wax, casein, the weight ratio for aoxidizing native cellulose fibre is (20-30): (6-8): (10-20), is realized in reinforcement system
Using the adhesive strength of each component in microwax enhancing carton formula system, to enhance folding quality；Casein is natural
Adhesive can be bonded in the surface of oxidation native cellulose fibre, promote itself and the plant fiber and polylactic acid fibre in wood pulp
It ties up bonded to each other, to improve the folding quality of whole system, while in land burial, carton sheet can be made to break faster
Size degradation is to promote degradation；Oxidation native cellulose fibre is modified surface by microwax, and casein promotees
It is bonded to each other with other fibers into it, sheet intensity is improved, folding quality is further improved, oxidation native cellulose fibre has
Natural porous structure is easy to microorganism adsorption growth, and casein provides nutrient, can further promote the procreation point of microorganism
Solution improves degradability, so that microwax, casein, the reinforcement system that oxidation native cellulose fibre is constituted is in ring of the invention
It protects in carton, collaboration improves the folding quality and degradability of recyclable carton.
The above content is it cannot be assumed that present invention specific implementation is only limited to these instructions, for the technical field of the invention
Those of ordinary skill for, under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all answers
When being considered as belonging to present invention scope of patent protection determined by the appended claims.
Claims (8)
1. a kind of recyclable carton, which is characterized in that the material prescription of the recyclable carton includes wood pulp, industrial starch, glycerol,
Calcium carbonate, natural salad oil, stearic acid lubricant, acid fiber by polylactic, chitin, microwax, casein aoxidize native cellulose
Fiber；
The microwax, casein, the ratio for aoxidizing native cellulose fibre is (20-30): (6-8): (10-20).
2. recyclable carton according to claim 1, which is characterized in that the microwax, casein aoxidize native cellulose
The ratio of fiber is 25:7:2.
3. recyclable carton according to claim 1, which is characterized in that the material prescription of the recyclable carton is with parts by weight
Unit, including following raw material: 30-40 parts of wood pulp, industrial starch 10-15 parts, 5-10 parts of glycerol, 15-25 parts of calcium carbonate, naturally
5-10 parts of salad oil, 5-10 parts of stearic acid lubricant, 20-30 parts of acid fiber by polylactic, 2-4 parts of chitin, 20-30 parts of microwax,
6-8 parts of casein, aoxidize native cellulose fibre 10-20 parts.
4. recyclable carton according to claim 1, which is characterized in that the material prescription of the recyclable carton is with parts by weight
Unit, including following raw material: 35 parts of wood pulp, 12.5 parts of industrial starch, 7.5 parts of glycerol, 20 parts of calcium carbonate, natural salad oil
7.5 parts, 7.5 parts of stearic acid lubricant, 25 parts of acid fiber by polylactic, 3 parts of chitin, 25 parts of microwax, 7 parts of casein, aoxidize day
Right 15 parts of cellulose fibre.
5. recyclable carton according to claim 1, which is characterized in that the oxidation native cellulose fibre is that length is
The cellulose fibre of 20-40mm is obtained through overactivation and oxidation.
6. a kind of preparation method of recyclable carton according to claim 1-5, which is characterized in that including following step
It is rapid: (1) by wood pulp in beater be uniformly mixed, industrial starch is added, be uniformly mixed, be added acid fiber by polylactic, chitin,
Microwax, casein, oxidation native cellulose fibre mashing stirring 2-4 hours adjust pH value to neutrality；(2) by step (1) institute
Paste mixture be added glycerol, calcium carbonate, natural salad oil, stearic acid lubricant, after mixing heat 70-80 DEG C, after
Continuous mashing cools down after 2-4 hours, obtains cardboard slurry, for use；(3) by the cardboard slurry that step (2) obtains be input to cardboard at
It is processed on type machine, carries out dehydration forming, carry out 2-3 drying, until making the water content 5-10% of cardboard, it is small to place 12-24
When after polish, cut and form up to recyclable carton of the invention.
7. the preparation method of recyclable carton according to claim 6, which is characterized in that the adjusting pH value is using hydrogen-oxygen
Change sodium solution or hydrochloric acid solution carries out pH value adjusting.
8. the preparation method of recyclable carton according to claim 6, which is characterized in that the industrial starch and calcium carbonate
200 mesh or more are ground to before use.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811370366.2A CN109457543A (en) | 2018-11-17 | 2018-11-17 | A kind of recyclable carton and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811370366.2A CN109457543A (en) | 2018-11-17 | 2018-11-17 | A kind of recyclable carton and preparation method thereof |
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| CN109457543A true CN109457543A (en) | 2019-03-12 |
Family
ID=65610870
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| CN201811370366.2A Withdrawn CN109457543A (en) | 2018-11-17 | 2018-11-17 | A kind of recyclable carton and preparation method thereof |
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| CN (1) | CN109457543A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111662510A (en) * | 2020-07-10 | 2020-09-15 | 中山市腾宇塑料制品有限公司 | Formula of automatic degradation carton |
| WO2023220601A1 (en) * | 2022-05-09 | 2023-11-16 | Okeanos Group, Llc | Environmentally friendly polymer additive combination |
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| CN107829334A (en) * | 2017-11-02 | 2018-03-23 | 江南大学 | A kind of sludge cardboard and preparation method thereof |
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| CN106320055A (en) * | 2016-08-29 | 2017-01-11 | 苏州市炫之彩包装有限公司 | Formula of environment-friendly packaging box |
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| WO2023220601A1 (en) * | 2022-05-09 | 2023-11-16 | Okeanos Group, Llc | Environmentally friendly polymer additive combination |
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