CN108130818A - A kind of preparation method of double-colored grease proofing antibacterial food wrapping paper - Google Patents
A kind of preparation method of double-colored grease proofing antibacterial food wrapping paper Download PDFInfo
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- CN108130818A CN108130818A CN201711397777.6A CN201711397777A CN108130818A CN 108130818 A CN108130818 A CN 108130818A CN 201711397777 A CN201711397777 A CN 201711397777A CN 108130818 A CN108130818 A CN 108130818A
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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
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- 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
Abstract
The invention discloses a kind of preparation methods of double-colored grease proofing antibacterial food wrapping paper.By optimizing pulp components, after carrying out pretreatment modification to filler, each layer pulp components and proportioning are regulated and controled using multilayer head box, prepare a kind of double-colored grease proofing antibacterial food wrapping paper.The food wrapper is beautiful, can play the role of dual antibiotic effect, while not hair and powder dropping, has the characteristics that health environment-friendly.
Description
Technical field
The invention belongs to pulp technology for making paper, and in particular to a kind of preparation method of double-colored grease proofing antibacterial food wrapping paper.
Technical background
The feature of environmental protection of packaging material for food and safety are always to be government, public absorbed focus.As country is right
The packaging material for food feature of environmental protection and the raising of security requirement, paper are gradually existed due to its recyclable regenerative, the advantage easily recycled
Many fields substituted for plastic packaging.The fast development of food products market of disappearing soon has pulled food packaging and the development of paper industry, right
In the food packaging containing grease type usually require paper surface lamination or waxing with improve paper waterproof and oilproof property
Energy.However, such material can bring the substances such as plastics, wax into removal process, only waste paper recovery system does not bring many be stranded
Difficulty, and plastics are difficult to degrade is not easily recycled.In addition, the wax of oil packing material surface coating for the product that help digestion soon or the modeling of lamination
Material products can also allow the public to generate the misgivings of food security aspect.
Due to raising of the masses to food health claim, antibacterial food packaging material gradually draws attention, and is packed in papery
Inorganic or organic antibacterial agent is added in material can improve the anti-microbial property of material, but can increase paper production cost.It does not float
Sulfate bamboo pulp is currently used primarily in field of tissue paper, less application and food due to having natural antibacterial bacteriostatic performance
Packaging field.
It is frequently necessary to add certain mineral filler during food wrapper is manufactured paper with pulp, filler is often mixed into slurry
Row is manufactured paper with pulp, and there are mass fillers to be lost in plain boiled water, since filler can adsorb a large amount of chemical assistants, such as cationic starch, applies
Jelly etc. not only reduces the water repelling property of paper, but also plain boiled water processing load can increase.Staying in the filler of paper surface can also be
In food wrapper printing process the problem of product hair and powder dropping, production efficiency is reduced.
In order to solve, the existing anti-oil food dress paper feature of environmental protection is poor, improves the safety of grease-proof wrapping and aesthetics, this hair
The bright grease proofing and anti-microbial property for improving packaging material for food by paper structure design and raw material design.In addition, prepared by the present invention
Food wrapper without lamination or waxing, when filler sealed by two layers above and below paper, be remarkably improved filler retention, together
When do not lead to the problem of hair and powder dropping.
Invention content
It is above-mentioned existing to overcome the purpose of the present invention is to provide a kind of preparation method of double-colored grease proofing antibacterial food wrapping paper
The defects of with the presence of technology, food wrapper prepared by the present invention have grease proofing and antibiotic property without lamination or waxing, paper
Can, while the aesthetics of food wrapper can be increased.Meanwhile filler is sealed by two layers above and below paper, is remarkably improved filler and is stayed
Rate, does not lead to the problem of hair and powder dropping.
In order to achieve the above objectives, the present invention adopts the following technical scheme that:
A kind of preparation method of double-colored grease proofing antibacterial food wrapping paper, includes the following steps:
Step 1, by bleached chemical softwood and hardwood pulpboard according to (2:8)~(7:3) ratio mix broken
Slurry then carries out mashing processing by double plate mill, and last slurry enters mud pit A;In mud pit A add in cationic starch and
Wet strength agent, after mixing, slurry pumping to machine chest A;
Bamboo fibre pulpboard will not be floated and carries out pulping, and then by fractionating screen, staple fiber is directly entered mud pit A or matches
Stock tank B, long fibre carry out mashing processing by double plate mill, and last slurry enters mud pit B;Cation is added in mud pit B
Starch, wet strength agent, after mixing, slurry pumping to machine chest B;
White mineral filler is added in filling tank, filler suspension is configured;Shell is added in into filler mixing suspension to gather
Sugar juice and sodium alginate, make it be sufficiently mixed with filler suspension, adjust pH of suspension using alkali, obtain modified filler
Suspension;
Step 2, machine chest A, machine chest B slurry respectively after thickening, removing the gred, add in retention agent, then sieved
Choosing;Slurry in machine chest A enters lower floor or the upper strata of multilayer head box, and the slurry in machine chest B enters multilayer head box
Upper strata or lower floor, modified filler suspension enter the middle level of multilayer head box after thickening, are made through long mesh paper making machine
Paper process obtains the double-colored grease proofing antibacterial food wrapping paper with laminate structures.
Mixed slurry beating consistency is 3.8~4.5%, and mixed slurry beating degree is 35~50 ° of SR.
Long fibre enters double plate mill and is beaten, and beating consistency is 3.8~4.5%, and beating degree is 35~50 ° of SR, is beaten
Enter mud pit afterwards;Staple fiber is (1~2) with the quality proportioning of bleach chemical pulp by being pumped into mud pit A:20;Or not
The staple fiber of drift bamboo pulp is all pumped into mud pit B and is mixed with the long fibre part of the brown stock after mashing.
Cationic starch dosage is the 0.1%~0.3% of bone dry fiber quality;Wet strength agent is polyamide polyamine epichlorohydrin tree
Fat, dosage are the 0.15%~0.30% of bone dry fiber quality.
Filler used is one or both of for kaolin, talcum powder, powdered whiting and titanium dioxide, prepared filler
Suspension concentration is 10%~15%.
The deacetylation of chitosan used dissolves chitosan, the shell of preparation 80%~90%, using 5% acetum
Glycan solution concentration is 0.5%~2.5%;Chitosan dosage is 1%~6% (to) of over dry packing quality.
In step 2, the amount of being filled with of filler is 0%~20%.
Machine chest A slurries, filler, machine chest B slurries separate starching, into multilayer head box, by adjusting piece quantity of floaing
Layering forming is carried out, by squeezing, after drying, carries out top sizing;Top sizing uses cationic starch and oil-proofing agent, gluing
It measures as 1~3g/m2;The oil-proofing agent is the oil-proofing agent of fluorine carbon type, and oil-proofing agent is with cationic starch mass ratio:1:(25~
10)。
In step 2, multilayer head box upper slurry a concentration of 0.4%~0.7%, middle level modified filler suspension concentration
It is 0.5%~2%, lower slurry a concentration of 0.6%~0.8%.
In step 2, slurry velocity and forming net speed ratio are 0.90~1.00 when paper machine is manufactured paper with pulp.
Compared with prior art, the present invention has technique effect beneficial below:
The present invention is designed by paper structure, after carrying out pretreatment modification to filler, regulates and controls each layer using multilayer head box
Pulp components and proportioning, prepare a kind of double-colored grease proofing antibacterial food wrapping paper.Using papermaking filler oleophobic property due to plant fibre
The characteristics of dimension, the problem of as middle layer to prevent fat migration.In concrete structure, paper up and down two layers for bleached pulp and
Brown stock (natural color pulp), can improve the aesthetics of wrapping paper, while can assign paper different surface naturies, improve processing
Property, practicability and product diversity.Bamboo fibre is not bleached with natural antibacterial bacteriostatic effect, further enhances food packaging
The anti-microbial property of paper combines antibacterial with packing layer, can play double-layer antimicrobial protective effect.After being classified by bamboo pulp to long fibre into
Row mashing, can reduce beating energy consumption, while the tiny component of non-bleached bamboo pulp is added in bleached pulp can play strengthening for paper, anti-
Pseudo- and beautiful effect promotes product specification.Since chitosan has oil preventing performance and anti-microbial property, in this, as filler modified
Agent can further enhance the oil preventing performance and anti-microbial property of paper.Meanwhile filler is sealed by two layers above and below paper, is not generated
The problem of hair picking.For food wrapper prepared by the present invention without lamination or waxing, the food wrapper is quantitative low, can save
Fibre resources, while have the multi-functionals such as grease proofing, antibacterial.
Experiment shows:The double-colored grease proofing quantification of 23~35g/m of antibacterial food wrapping paper prepared by the present invention2, into paper tightness
0.70~0.76g/m3, water imbibition≤20g/m3, grease proofing grade is more than 6 grades, tensile strength >=2.8kN/m, tearability >=130mN,
Recto is white, whiteness >=75%ISO, the inclined yellow of reverse side of paper, 28~35%ISO of whiteness, opacity >=62%, paper
Front smoothness >=70s, recto smoothness >=50s are opened, Decolorant Test is feminine gender, and without fluorescent substance, inspection does not measure
Salmonella, Shigella, staphylococcus aureus.
Specific embodiment
A kind of preparation method of double-colored grease proofing antibacterial food wrapping paper of the present invention, includes the following steps:
Step 1, by bleached chemical softwood and hardwood pulpboard according to 2:8~7:3 ratio carries out mixing pulping, and
Mashing processing is carried out by double plate mill afterwards, last slurry enters mud pit A;Cationic starch is added in mud pit A, it is wet strong
Agent, after mixing, slurry pumping to machine chest A;Mixed slurry beating consistency is 3.8~4.5%, and mixed slurry beating degree is
35~50 ° of SR.
Step 2 will not float bamboo fibre pulpboard and carry out pulping, and then by fractionating screen, staple fiber is directly entered with slurry
Pond A or mud pit B, long fibre carry out mashing processing by double plate mill, and last slurry enters mud pit B;It is added in mud pit B
Cationic starch, wet strength agent, after mixing, slurry pumping to machine chest B;
After pulping, classification, long fibre enters double plate mill and is beaten true qualities bamboo pulp, beating consistency for 3.8~
4.5%, beating degree is 35~50 ° of SR, and mud pit is entered after mashing.
True qualities bamboo pulp is actually needed, staple fiber is by being pumped into mud pit A and drift after pulping, classification according to product
The proportioning of white chemical pulp is (1~2):20;According to product needs, mud pit B can also be all pumped by not floating the staple fiber of bamboo pulp
It is mixed with the long fibre part of the brown stock after mashing.
Cationic starch dosage is 0.1%~0.3% (to bone dry fiber quality), and wet strength agent is polyamide polyamine epichlorohydrin
Resin (PAE), dosage are 0.15%~0.30% (to bone dry fiber quality).
Step 3 adds in white mineral filler in filling tank, and certain density filler suspension is configured using tap water;
A certain proportion of chitosan solution and sodium alginate are added in into filler mixing suspension, makes it fully mixed with filler suspension
It closes, pH of suspension is adjusted using sodium hydroxide, obtains modified filler suspension;
In step 3 filler used be kaolin, the one or two of talcum powder, powdered whiting, titanium dioxide, prepared
Filler suspension a concentration of 10%~15%.
The deacetylation of chitosan used dissolves chitosan 80%~90% using 5% acetum in step 3,
The chitosan solution a concentration of 0.5%~2.5% of preparation.Chitosan dosage is 1%~6% (to over dry packing quality).
Step 4, machine chest A, machine chest B slurry respectively after thickening, removing the gred, add in retention agent, then sieved
Choosing;Slurry in machine chest A enters lower floor or the upper strata of multilayer head box, and the slurry in machine chest B enters multilayer head box
Upper strata or lower floor, modified filler suspension enter the middle level of multilayer head box after thickening, shape, press through long mesh paper making machine
It squeezes, preceding drying, top sizing, rear drying, curling, rewinding, packing obtain double-colored grease proofing antibacterial food wrapping paper, paper tool
There are laminate structures.
Wherein, according to actual needs, the amount of being filled with of filler is 0%~20% in step 4.It is stock tank A slurries, filler, slurry
Pond B slurries separate starching, and into multilayer head box, layering forming is carried out by adjusting piece quantity of floaing, by squeezing, after drying,
Top sizing need to be carried out, improves the water-resistance on paper two sides.
Multilayer head box upper slurry a concentration of 0.4%~0.7%, middle level modified filler suspension concentration for 0.5%~
2%, lower slurry a concentration of 0.6%~0.8%.Slurry velocity and forming net speed ratio are 0.90~1.00 when paper machine is manufactured paper with pulp.
It is combined and is dried with common drying cylinder using Flying Dutchman, dryer surface is steel alloy material, can be made as needed
Paper brown stock or bleached pulp one side are contacted with drying cylinder, to improve sheet smoothness.Top sizing using cationic starch and
Oil-proofing agent, glue-spread are 1~3g/m2.The oil-proofing agent is the oil-proofing agent of fluorine carbon type, oil-proofing agent and cationic starch mass ratio
For:1:25~1:10.
The present invention is described in further detail with reference to embodiment:
Embodiment 1
Step 1, by bleached chemical softwood and hardwood pulpboard according to 2:8 ratio carries out mixing pulping, then passes through
Double plate mill carries out mashing processing, and mixed slurry beating consistency is 3.8%, and mixed slurry beating degree is 40 ° of SR.Last slurry enters
Mud pit A;Cationic starch is added in mud pit A, dosage is 0.1% (to bone dry fiber quality), and wet strengthening agent is
0.15% (to bone dry fiber quality), after mixing, slurry pumping to machine chest A;
Step 2 will not float bamboo fibre pulpboard and carry out pulping, and then by fractionating screen, staple fiber is directly entered with slurry
Pond A, staple fiber are 1 with the proportioning of bleach chemical pulp by being pumped into mud pit A:20;Long fibre is beaten by double plate mill
Processing, beating consistency 4.5%, beating degree are 35 ° of SR, and last slurry enters mud pit B;Cation is added in mud pit B
Starch, dosage are 0.12% (to bone dry fiber quality), and wet strengthening agent is 0.18% (to bone dry fiber quality), is uniformly mixed
Afterwards, slurry pumping is to machine chest B;
Step 3 adds in talcum powder in filling tank, using tap water be configured filler suspension, a concentration of 10%;To filling out
Add in a certain proportion of chitosan solution and sodium alginate in material mixing suspension, the deacetylation of chitosan used 80%,
Chitosan, the chitosan solution a concentration of 0.5% of preparation are dissolved using 5% acetum.Make it abundant with filler suspension
Mixing, chitosan dosage are 1% (to over dry packing quality).PH of suspension is adjusted using sodium hydroxide, obtains modified fill out
Pulp suspension;
Step 4, machine chest A, machine chest B slurry respectively after thickening, removing the gred, add in retention agent, then sieved
Choosing;Slurry in machine chest A enters the lower floor of multilayer head box, and the slurry in machine chest B enters the upper strata of multilayer head box, changes
Property after filler suspension after thickening enter multilayer head box middle level, the amount of the being filled with (quality of fiber and filler of filler
Than) it is 0%.Multilayer head box upper slurry a concentration of 0.4%, lower slurry a concentration of 0.6%.Slurry velocity when paper machine is manufactured paper with pulp
It is 0.90 with forming net speed ratio.It shapes, squeeze through long mesh paper making machine, preceding drying, top sizing, top sizing is formed sediment using cation
Powder and oil-proofing agent, glue-spread 1g/m2, oil-proofing agent is with cationic starch mass ratio:1:25.Then it dries, crimp after, is multiple
Volume is packaged, and obtains double-colored grease proofing antibacterial food wrapping paper, and paper has laminate structures.
The prepared double-colored grease proofing quantification of 23g/m of antibacterial food wrapping paper2, into paper tightness 0.70g/m3, water imbibition≤
20g/m3, grease proofing grade be more than 6 grades, tensile strength >=2.8kN/m, tearability >=130mN, recto for white, whiteness >=
75%ISO, the inclined yellow of reverse side of paper, 28~35%ISO of whiteness, opacity >=62%, recto smoothness >=70s, paper
Front smoothness >=50s is opened, Decolorant Test is feminine gender, and without fluorescent substance, inspection does not measure salmonella, Shigella, gold
Staphylococcus aureus.
Embodiment 2
Step 1, by bleached chemical softwood and hardwood pulpboard according to 3:7 ratio carries out mixing pulping, then passes through
Double plate mill carries out mashing processing, and mixed slurry beating consistency is 4.5%, and mixed slurry beating degree is 50 ° of SR.Last slurry enters
Mud pit A;Cationic starch is added in mud pit A, dosage is 0.3% (to bone dry fiber quality), and wet strengthening agent is
0.20% (to bone dry fiber quality), after mixing, slurry pumping to machine chest A;
Step 2 will not float bamboo fibre pulpboard and carry out pulping, and then by fractionating screen, staple fiber is directly entered with slurry
Pond B, long fibre carry out mashing processing, beating consistency 3.8% by double plate mill, and beating degree is 35 ° of SR, and last slurry enters and matches
Stock tank B;Cationic starch is added in mud pit B, dosage is 0.2% (to bone dry fiber quality), and wet strengthening agent is
0.30% (to bone dry fiber quality), after mixing, slurry pumping to machine chest B;
Step 3 adds in kaolin in filling tank, using tap water be configured filler suspension, a concentration of 15%;To filling out
Add in a certain proportion of chitosan solution and sodium alginate in material mixing suspension, the deacetylation of chitosan used 90%,
Chitosan is dissolved using 5% acetum, the chitosan solution a concentration of 2.5% of preparation, chitosan dosage is for 6% (to exhausted
Filler stem quality).It is made to be sufficiently mixed with filler suspension, pH of suspension is adjusted using sodium hydroxide, obtains modified fill out
Pulp suspension;
Step 4, machine chest A, machine chest B slurry respectively after thickening, removing the gred, add in retention agent, then sieved
Choosing;Slurry in machine chest A enters the upper strata of multilayer head box, and the slurry in machine chest B enters the lower floor of multilayer head box, changes
Property after filler suspension after thickening enter multilayer head box middle level, the amount of the being filled with (quality of fiber and filler of filler
Than) it is 20%.Multilayer head box upper slurry a concentration of 0.7%, middle level modified filler suspension concentration are 0.5%, lower floor's slurry
Expect a concentration of 0.8%.Slurry velocity and forming net speed ratio are 1.00 when paper machine is manufactured paper with pulp.It shapes, squeeze through long mesh paper making machine, front baking
Dry, top sizing, top sizing uses cationic starch and oil-proofing agent, glue-spread 3g/m2, oil-proofing agent and cationic starch matter
Amount is than being 1:10.Then drying, curling, rewinding, packing after, obtains double-colored grease proofing antibacterial food wrapping paper, and paper has
Laminate structures.
The prepared double-colored grease proofing quantification of 30g/m of antibacterial food wrapping paper2, into paper tightness 0.74g/m3, water imbibition≤
20g/m3, grease proofing grade be more than 6 grades, tensile strength >=2.8kN/m, tearability >=130mN, recto for white, whiteness >=
75%ISO, the inclined yellow of reverse side of paper, 28~35%ISO of whiteness, opacity >=62%, recto smoothness >=70s, paper
Front smoothness >=50s is opened, Decolorant Test is feminine gender, and without fluorescent substance, inspection does not measure salmonella, Shigella, gold
Staphylococcus aureus.
Embodiment 3
Step 1, by bleached chemical softwood and hardwood pulpboard according to 5:5 ratio carries out mixing pulping, then passes through
Double plate mill carries out mashing processing, and mixed slurry beating consistency is 4.5%, and mixed slurry beating degree is 50 ° of SR.Last slurry enters
Mud pit A;Cationic starch is added in mud pit A, dosage is 0.3% (to bone dry fiber quality), and wet strengthening agent is
0.30% (to bone dry fiber quality), after mixing, slurry pumping to machine chest A;
Step 2 will not float bamboo fibre pulpboard and carry out pulping, and then by fractionating screen, staple fiber is directly entered with slurry
Pond A, staple fiber are 2 with the proportioning of bleach chemical pulp by being pumped into mud pit A:20;Long fibre is beaten by double plate mill
Processing, beating consistency 4.0%, beating degree are 40 ° of SR, and last slurry enters mud pit B;Cation is added in mud pit B
Starch, dosage are 0.1%% (to bone dry fiber quality), and wet strengthening agent is 0.25% (to bone dry fiber quality), and mixing is equal
After even, slurry pumping to machine chest B;
Step 3 adds in talcum powder and powdered whiting in filling tank, and filler suspension, concentration is configured using tap water
It is 12%;A certain proportion of chitosan solution and sodium alginate, the de- second of chitosan used are added in into filler mixing suspension
Acyl degree dissolves chitosan, the chitosan solution a concentration of 1.0% of preparation, chitosan dosage 85%, using 5% acetum
For 3% (to over dry packing quality).It is made to be sufficiently mixed with filler suspension, pH of suspension is adjusted using sodium hydroxide, is obtained
Modified filler suspension;
Step 4, machine chest A, machine chest B slurry respectively after thickening, removing the gred, add in retention agent, then sieved
Choosing;Slurry in machine chest A enters the lower floor of multilayer head box, and the slurry in machine chest B enters the upper strata of multilayer head box, changes
Property after filler suspension after thickening enter multilayer head box middle level, the amount of the being filled with (quality of fiber and filler of filler
Than) it is 10%.Multilayer head box upper slurry a concentration of 0.5%, middle level modified filler suspension concentration are 2%, lower slurry
A concentration of 0.7%.Slurry velocity and forming net speed ratio are 0.995 when paper machine is manufactured paper with pulp.It shapes, squeeze through long mesh paper making machine, front baking
Dry, top sizing, top sizing use cationic starch and oil-proofing agent, glue-spread 2g/m2, oil-proofing agent and cationic starch matter
Amount is than being 1:15.Then drying, curling, rewinding, packing after, obtains double-colored grease proofing antibacterial food wrapping paper, and paper has
Laminate structures.
The prepared double-colored grease proofing quantification of 28g/m of antibacterial food wrapping paper2, into paper tightness 0.75g/m3, water imbibition≤
20g/m3, grease proofing grade be more than 6 grades, tensile strength >=2.8kN/m, tearability >=130mN, recto for white, whiteness >=
75%ISO, the inclined yellow of reverse side of paper, 28~35%ISO of whiteness, opacity >=62%, recto smoothness >=70s, paper
Front smoothness >=50s is opened, Decolorant Test is feminine gender, and without fluorescent substance, inspection does not measure salmonella, Shigella, gold
Staphylococcus aureus.
Embodiment 4
Step 1, by bleached chemical softwood and hardwood pulpboard according to 7:3 ratio carries out mixing pulping, then passes through
Double plate mill carries out mashing processing, and mixed slurry beating consistency is 3.8~4.5%, and mixed slurry beating degree is 42 ° of SR.Finally starch
Material enters mud pit A;Cationic starch is added in mud pit A, dosage is 0.1% (to bone dry fiber quality), and wet strength agent is used
It measures as 0.18% (to bone dry fiber quality), after mixing, slurry pumping to machine chest A;
Step 2 will not float bamboo fibre pulpboard and carry out pulping, and then by fractionating screen, staple fiber is directly entered with slurry
Pond B, long fibre carry out mashing processing, beating consistency 4.1% by double plate mill, and beating degree is 48 ° of SR, and last slurry enters and matches
Stock tank B;Cationic starch is added in mud pit B, dosage is 0.23% (to bone dry fiber quality), and wet strengthening agent is
0.15% (to bone dry fiber quality), after mixing, slurry pumping to machine chest B;
Step 3 adds in kaolin and titanium dioxide in filling tank, and filler suspension is configured using tap water, a concentration of
13%;Add in a certain proportion of chitosan solution and sodium alginate into filler mixing suspension, chitosan used it is deacetylated
Degree dissolves chitosan, the chitosan solution a concentration of 2.0% of preparation 90%, using 5% acetum, and chitosan dosage is
4% (to over dry packing quality).It is made to be sufficiently mixed with filler suspension, pH of suspension is adjusted using sodium hydroxide, is changed
Filler suspension after property;
Step 4, machine chest A, machine chest B slurry respectively after thickening, removing the gred, add in retention agent, then sieved
Choosing;Slurry in machine chest A enters the upper strata of multilayer head box, and the slurry in machine chest B enters the lower floor of multilayer head box, changes
Property after filler suspension after thickening enter multilayer head box middle level, the amount of the being filled with (quality of fiber and filler of filler
Than) it is 8%.Multilayer head box upper slurry a concentration of 0.6%, middle level modified filler suspension concentration are 1.0%, lower slurry
A concentration of 0.8%.Slurry velocity and forming net speed ratio are 0.95 when paper machine is manufactured paper with pulp.It shapes, squeeze through long mesh paper making machine, front baking
Dry, top sizing, top sizing use cationic starch and oil-proofing agent, glue-spread 2.5g/m2, oil-proofing agent and cationic starch
Mass ratio is:1:12.Then drying, curling, rewinding, packing after obtains double-colored grease proofing antibacterial food wrapping paper, paper tool
There are laminate structures.
The prepared double-colored grease proofing quantification of 35g/m of antibacterial food wrapping paper2, into paper tightness 0.76g/m3, water imbibition≤
20g/m3, grease proofing grade be more than 6 grades, tensile strength >=2.8kN/m, tearability >=130mN, recto for white, whiteness >=
75%ISO, the inclined yellow of reverse side of paper, 28~35%ISO of whiteness, opacity >=62%, recto smoothness >=70s, paper
Front smoothness >=50s is opened, Decolorant Test is feminine gender, and without fluorescent substance, inspection does not measure salmonella, Shigella, gold
Staphylococcus aureus.
Finally it should be noted that:The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that:It still may be used
To modify to the technical solution recorded in foregoing embodiments or which part technical characteristic replaced on an equal basis;
And these modifications or replacement, the spiritual model for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (10)
1. a kind of preparation method of double-colored grease proofing antibacterial food wrapping paper, which is characterized in that include the following steps:
Step 1, by bleached chemical softwood and hardwood pulpboard according to (2:8)~(7:3) ratio carries out mixing pulping, and
Mashing processing is carried out by double plate mill afterwards, last slurry enters mud pit A;Cationic starch and wet strong is added in mud pit A
Agent, after mixing, slurry pumping to machine chest A;
Bamboo fibre pulpboard will not be floated and carries out pulping, and then by fractionating screen, staple fiber is directly entered mud pit A or mud pit
B, long fibre carry out mashing processing by double plate mill, and last slurry enters mud pit B;In mud pit B add in cationic starch,
Wet strength agent, after mixing, slurry pumping to machine chest B;
White mineral filler is added in filling tank, filler suspension is configured;It is molten that chitosan is added in into filler mixing suspension
Liquid and sodium alginate, make it be sufficiently mixed with filler suspension, adjust suspension to neutrality using alkali, obtain modified filler
Suspension;
Step 2, machine chest A, machine chest B slurry respectively after thickening, removing the gred, add in retention agent, then screened;
Slurry in machine chest A enters lower floor or the upper strata of multilayer head box, and the slurry in machine chest B enters the upper strata of multilayer head box
Or lower floor, modified filler suspension enter the middle level of multilayer head box after thickening, and paper maker is carried out through long mesh paper making machine
Sequence obtains the double-colored grease proofing antibacterial food wrapping paper with laminate structures.
A kind of 2. preparation method of double-colored grease proofing antibacterial food wrapping paper according to claim 1, which is characterized in that mixing
Slurry pulping a concentration of 3.8~4.5%, mixed slurry beating degree are 35~50 ° of SR.
3. the preparation method of a kind of double-colored grease proofing antibacterial food wrapping paper according to claim 1, which is characterized in that long fine
Dimension enters double plate mill and is beaten, and beating consistency is 3.8~4.5%, and beating degree is 35~50 ° of SR, and mud pit is entered after mashing;
Staple fiber is (1~2) with the quality proportioning of bleach chemical pulp by being pumped into mud pit A:20;Or the staple fiber of bamboo pulp is not floated
The long fibre part that mud pit B is all pumped into the brown stock after mashing mixes.
4. a kind of preparation method of double-colored grease proofing antibacterial food wrapping paper according to claim 1, which is characterized in that sun from
Sub- starch dosage is the 0.1%~0.3% of bone dry fiber quality;Wet strength agent is Polyamide Polyamine Epichlorohydrin Resin, and dosage is exhausted
The 0.15%~0.30% of dry fibers quality.
A kind of 5. preparation method of double-colored grease proofing antibacterial food wrapping paper according to claim 1, which is characterized in that step
In one, filler used is one or both of kaolin, talcum powder, powdered whiting and titanium dioxide, and prepared filler hangs
Supernatant liquid a concentration of 10%~15%.
A kind of 6. preparation method of double-colored grease proofing antibacterial food wrapping paper according to claim 1, which is characterized in that step
In one, the deacetylation of chitosan used dissolves chitosan, the shell of preparation gathers 80%~90% using 5% acetum
Sugar juice a concentration of 0.5%~2.5%;Chitosan dosage is the 1%~6% of over dry packing quality.
A kind of 7. preparation method of double-colored grease proofing antibacterial food wrapping paper according to claim 1, which is characterized in that step
In two, the amount of being filled with of filler is 0%~20%.
8. the preparation method of a kind of double-colored grease proofing antibacterial food wrapping paper according to claim 1, which is characterized in that slurry
Pond A slurries, filler, machine chest B slurries separate starching, and into multilayer head box, layering forming is carried out by adjusting piece quantity of floaing,
By squeezing, after drying, top sizing is carried out;Top sizing uses cationic starch and oil-proofing agent, and glue-spread is 1~3g/m2;
The oil-proofing agent is the oil-proofing agent of fluorine carbon type, and oil-proofing agent is with cationic starch mass ratio:1:(25~10).
9. a kind of preparation method of double-colored grease proofing antibacterial food wrapping paper according to claim 1, in step 2, multilayer stream
Case upper slurry a concentration of 0.4%~0.7% is starched, middle level modified filler suspension concentration is 0.5%~2%, and lower slurry is dense
Spend is 0.6%~0.8%.
10. a kind of preparation method of double-colored grease proofing antibacterial food wrapping paper according to claim 1, in step 2, paper machine
Slurry velocity and forming net speed ratio are 0.90~1.00 when manufacturing paper with pulp.
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109056418A (en) * | 2018-09-07 | 2018-12-21 | 宿州学院 | A kind of preparation method of manila paper |
CN113802416A (en) * | 2021-09-06 | 2021-12-17 | 浙江鹤丰新材料有限公司 | Method for manufacturing bamboo fiber food packaging paper |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103993525A (en) * | 2014-05-29 | 2014-08-20 | 黄山金仕特种包装材料有限公司 | Candy wrapping body paper and preparation method thereof |
CN104911954A (en) * | 2015-05-28 | 2015-09-16 | 句容市茂源织造厂 | Natural anti-oil degradable food packaging paper and preparation method thereof |
CN106245459A (en) * | 2016-09-05 | 2016-12-21 | 珠海红塔仁恒包装股份有限公司 | A kind of true qualities flexible package punch paper and production technology thereof |
CN106436475A (en) * | 2016-10-12 | 2017-02-22 | 福建希源纸业有限公司 | Food wrapping paper and production method thereof |
CN107109797A (en) * | 2014-12-23 | 2017-08-29 | 德尔福特集团有限公司 | Environmentally friendly food wrapper |
-
2017
- 2017-12-21 CN CN201711397777.6A patent/CN108130818B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103993525A (en) * | 2014-05-29 | 2014-08-20 | 黄山金仕特种包装材料有限公司 | Candy wrapping body paper and preparation method thereof |
CN107109797A (en) * | 2014-12-23 | 2017-08-29 | 德尔福特集团有限公司 | Environmentally friendly food wrapper |
CN104911954A (en) * | 2015-05-28 | 2015-09-16 | 句容市茂源织造厂 | Natural anti-oil degradable food packaging paper and preparation method thereof |
CN106245459A (en) * | 2016-09-05 | 2016-12-21 | 珠海红塔仁恒包装股份有限公司 | A kind of true qualities flexible package punch paper and production technology thereof |
CN106436475A (en) * | 2016-10-12 | 2017-02-22 | 福建希源纸业有限公司 | Food wrapping paper and production method thereof |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109056418A (en) * | 2018-09-07 | 2018-12-21 | 宿州学院 | A kind of preparation method of manila paper |
CN113802416A (en) * | 2021-09-06 | 2021-12-17 | 浙江鹤丰新材料有限公司 | Method for manufacturing bamboo fiber food packaging paper |
CN116180495A (en) * | 2023-02-22 | 2023-05-30 | 华邦古楼新材料有限公司 | Chitosan modified food packaging paper and preparation method thereof |
CN116180495B (en) * | 2023-02-22 | 2023-08-25 | 华邦古楼新材料有限公司 | Chitosan modified food packaging paper and preparation method thereof |
CN116289328A (en) * | 2023-03-10 | 2023-06-23 | 华邦古楼新材料有限公司 | High water resistance food packaging body paper |
CN116289328B (en) * | 2023-03-10 | 2023-12-08 | 华邦古楼新材料有限公司 | High water resistance food packaging body paper |
CN116988334A (en) * | 2023-07-11 | 2023-11-03 | 中国制浆造纸研究院衢州分院 | Preparation method of plasma treatment modified environment-friendly food oil-proof paper |
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