CN106930140A - A kind of greaseproof and its production method - Google Patents
A kind of greaseproof and its production method Download PDFInfo
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- CN106930140A CN106930140A CN201710298652.1A CN201710298652A CN106930140A CN 106930140 A CN106930140 A CN 106930140A CN 201710298652 A CN201710298652 A CN 201710298652A CN 106930140 A CN106930140 A CN 106930140A
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/25—Cellulose
-
- 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
-
- 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
-
- 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
- D21H19/24—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention belongs to technical field of oil-proof paper, more particularly to a kind of greaseproof and its production method.Described greaseproof, including body paper and oil-repellent, the body paper use the raw material directly preparation with slurry of following parts by weight：Bleached softwood starches 5 95 parts, 15 70 parts of bacteria cellulose；The oil-repellent includes the raw material of following parts by weight：15 70 parts of bacteria cellulose, 10 50 parts of shitosan, 10 50 parts of latex, 2 25 parts of polyvinyl alcohol, 5 10 parts of soybean protein, 25 parts of rheology regulator.The present invention adds bacteria cellulose by wet pulp and its coating, effectively reduces paper porosity, strengthens paper oil preventing performance.
Description
Technical field：
The invention belongs to technical field of oil-proof paper, more particularly to a kind of greaseproof and its production method.
Technical background：
Demand is divided and become more meticulous, and product orientation precision is overall industrial trend.Paper-making industry is produced as China's traditional industries
Product demand and product orientation are also very fine.Current China demand for paper products extensively, enrich by paper product species.Many applications are all needed
Wanting paper has certain grease proofness, such as food wrapper, release liners, product external packaging paper.
Greaseproof is main with high carbon chain fluoropolymer and silicone oil as active ingredient on Vehicles Collected from Market, mostly artificial synthesized to have
Machine macromolecular material, it is difficult to guarantee safety and degradability is poor, is unfavorable for that paper is recycled.Exploitation is safe and environment-friendly new
Grease proofing paper material and its greaseproof production technology are the research hot topics in greaseproof field.
Bacteria cellulose is a kind of native biopolymer material, and the polar group-OH in its molecule has oleophobic property, receives
Meter level characteristic makes it effectively keep improving paper pulp viscosity between paper cellulose on the basis of adhesion, saves beating energy consumption；Make
For pulp additive and coating material can effectively reduce paper porosity, can effectively strengthen oil preventing performance.
The content of the invention：
In order to solve the above-mentioned technical problem, the present invention provides a kind of greaseproof and its production method.The greaseproof includes original
Paper and oil-repellent, are particularly suited for packaging for foodstuff, such as packaging of the food such as hamburger instant fast food, cheese, butter, cheese.
The present invention reaches the grease proofing effect of paper by adding bacteria cellulose in wet pulp and its coating.
Described greaseproof, including body paper and oil-repellent, the body paper are directly matched somebody with somebody using the raw material of following parts by weight
It is prepared by slurry：Bleached softwood starches 5-95 parts, bacteria cellulose 15-70 parts；
Further, can be to addition paper industry in above-mentioned raw materials usually used dry strength agent such as starch and its derivative
Thing, polyacrylamide, polyurethane, carboxymethylcellulose calcium etc., and customary filler such as talcum powder, kaolin, titanium dioxide etc.；
The oil-repellent includes the raw material of following parts by weight：Bacteria cellulose 15-70 parts, shitosan 10-50 parts, glue
It is newborn 10-50 parts, polyvinyl alcohol 2-25 parts, soybean protein 5-10 parts, 2-5 parts of rheology regulator；
Described rheology regulator can be the types such as acrylate copolymer, polyurethane copolymer, cellulose derivative
Thickener products, such as polyacrylamide, polyurethane, acrylic acid, carboxymethylcellulose calcium.
The preparation method of the bacteria cellulose is as follows：
The producing bacterial strain of corresponding bacteria cellulose is inoculated in suitable culture medium, the bacterium that static fermentation is produced is fine
The bacterial fibers crude granule that the plain membrane material of dimension or dynamic fermentation are produced, boils treatment and is not less than 30 minutes, pure water by alkaline solution
Rinse and soaked 4 hours with weak acid solution afterwards for several times, again with pure water soaking flushing to weakly acidic pH；The equipment such as colloid mill, ball mill
Mechanical homogenisation treatment, it is standby；
Further, the alkaline solution is 0.1mol/L NaOH；
Further, the weak acid solution is 0.01mol/L acetic acid；
Further, the preparation method of the cellulose membrane material or particle is as follows：
(1) by xylose gluconic acid acetobacter after routinely expanding numerous tube, in access seed culture medium；
(2) seed culture condition is：25 DEG C in constant-temperature table, 120-150rpm cultivate 40-48 hour obtain seed liquor；
(3) bacteria cellulose membrane material static fermentation method：Seed liquor is seeded to static culture box by 10% inoculum concentration
In, quiescent culture 5-10 days in 30 DEG C of incubators filters remaining bacterium solution and obtains final product fermentation membrane material；
(4) bacterial fibers crude granule dynamic fermentation method：
First stage：Seed liquor is seeded in fermentation tank by 10% inoculum concentration, 180rpm, 28 DEG C cultivate 24 hours；
Second stage：By condition of culture be adjusted to 30 DEG C, 210rpm cultivate 48 hours；Phase III：It is 140rpm, 28 by adjustment of rotational speed
DEG C culture is filtered to remove bacterium solution and obtains bacteria cellulose granular materials after 48 hours；
Seed culture medium：In terms of 1000 parts, 15 parts of corn flour, 5 parts of analysis for soybean powder, 5 parts of white granulated sugar, 1 part of tryptone, yeast
2 parts of medicinal extract, 3 parts of potassium dihydrogen phosphate, 1 part of magnesium sulfate, balance of water, pH is to 6.8 for regulation, and 121 DEG C sterilize 20 minutes；
Fermentation medium：In terms of 1000 parts, 20 parts of corn flour, 6 parts of bean cake powder, 5 parts of white granulated sugar, 2 parts of potassium dihydrogen phosphate, sulphur
2 parts of sour magnesium, 1 part of calcium chloride, balance of water, pH is to 6.8 for regulation, and 121 DEG C sterilize 20 minutes.
The present invention also provides a kind of preparation method of greaseproof, comprises the following steps：
(1) it is beaten
Mashing treatment, 55-90 ° of SR of beating degree are carried out to bleaching needle-point leaf pulp using shiny beating mode；
(2) match somebody with somebody in starching and copy
According to body paper composition of raw materials, mix the quantification of 26 ± 2g/m that manufactures paper with pulp2Handsheet, squeezing condition be 300kPa,
1min；Using heated-air drying or natural air drying；
(3) it is coated with
With water as solvent, oil-repellent raw material is configured to concentration be 0.10-0.35% oil-repellent suspension as
Coating fluid, treatment is coated to handsheet using No. 10 scrapers；
The oil-repellent includes the raw material of following parts by weight：Bacteria cellulose 15-70 parts, shitosan 10-50 parts, glue
It is newborn 10-50 parts, polyvinyl alcohol 2-25 parts, soybean protein 5-10 parts, 2-5 parts of rheology regulator；
Described rheology regulator can be that acrylate copolymer, polyurethane copolymer, cellulose derivative etc. own
The thickener products of type, such as polyacrylamide, polyurethane, acrylic acid, carboxymethylcellulose calcium；
(4) press polish
Calender carries out press polish treatment to paper, and at 120-200 DEG C, calendering pressure is 100- to felt wrapped roll temperature control
200KN/m；
Greaseproof prepared by the present invention is measured in accordance with the following methods：
(1) resistant proofs of the TAPPI T 559-cm to oleic acid；
(2) kit assays of TAPPI T 557；
(3) TAPPI T 454-om turpentine oil resistant proofs；
(4) to the resistant proof of aliphatic acid.
Beneficial effect：
Greaseproof prepared by the present invention is according to TAPPI T 559-cm to the resistant proof and TAPPI T 454- of oleic acid
Om turpentine oil resistant proofs, its measurement result is the positive；
Method according to TAPPI T 557 determines the oil preventing performance of greaseproof, and grease proofing grade reaches 8-11 grades；
To more than C grades of the resistant proof of aliphatic acid its oil preventing performance measurement result.
Specific embodiment：
A kind of method of fermented-producing bacteria cellulose particle of embodiment 1
Seed culture medium：In terms of 1000 parts, 15 parts of corn flour, 5 parts of analysis for soybean powder, 5 parts of white granulated sugar, 1 part of tryptone, yeast
2 parts of medicinal extract, 3 parts of potassium dihydrogen phosphate, 1 part of magnesium sulfate, balance of water, pH is to 6.8 for regulation, and 121 DEG C sterilize 20 minutes；
Fermentation medium：In terms of 1000 parts, 20 parts of corn flour, 6 parts of bean cake powder, 5 parts of white granulated sugar, 2 parts of potassium dihydrogen phosphate, sulphur
2 parts of sour magnesium, 1 part of calcium chloride, balance of water, pH is to 6.8 for regulation, and 121 DEG C sterilize 20 minutes；
The corn flour is crushed to 60 mesh and following by whole kernel corn；The analysis for soybean powder by soybean grain be crushed to 60 mesh and with
Under；The bean cake powder is a leaching dregs of beans, is crushed to 60 mesh and following；The white granulated sugar is food grade certified products；The yeast leaching
Cream, tryptone, potassium dihydrogen phosphate, magnesium sulfate, calcium chloride are commercially available conventional reagent；
It is prepared by seed：By xylose gluconic acid acetobacter (Gluconacetobacter xylinus) in superclean bench
CCTCC AB2040512 slant strains are connected in seed culture medium, 25 DEG C in constant-temperature table, 150rpm cultivate 48 hours, it is standby
With；
The bacteria cellulose dynamic fermentation first stage：Seed is seeded in fermentation tank by 10% inoculum concentration, 180rpm,
28 DEG C are cultivated 24 hours；Second stage：By condition of culture be adjusted to 30 DEG C, 210rpm cultivate 48 hours；Phase III：By rotating speed
It is adjusted to 140rpm, 28 DEG C of cultures are filtered to remove bacterium solution and obtain bacteria cellulose granular materials after 48 hours.
Embodiment 2：A kind of method of fermented-producing bacteria cellulose membrane material
Seed culture based formulas, fermentative medium formula and seed method of making are with embodiment 1；
Bacteria cellulose static fermentation process：By seed according to 10% inoculum concentration access fermentation medium in, in 30 DEG C training
Standing for fermentation culture 5-7 days, is filtered to remove bacterium solution and obtains bacteria cellulose membrane material in foster case.
Embodiment 3：A kind of greaseproof and its preparation
A kind of greaseproof, including body paper and oil-repellent；
The body paper is prepared using the raw material of following parts by weight：Bleached softwood starches 95 parts, 15 parts of bacteria cellulose；
The oil-repellent includes the raw material of following parts by weight：70 parts of bacteria cellulose, 35 parts of shitosan, latex 10
Part, 2 parts of polyvinyl alcohol, 10 parts of soybean protein, 2 parts of acrylic acid；
The bacteria cellulose is the bacterial fibers crude granule for preparing embodiment 1, molten by 0.1mol/L NaOH
Liquid boils treatment 40 minutes, and pure water rinsing is soaked 4 hours with 0.01mol/L acetums, soaked with pure water rush again afterwards for several times
It is washed till weakly acidic pH, colloid mill homogenized gained；
The preparation method of the greaseproof is as follows：
(1) it is beaten
Mashing treatment, 73 ° of SR of beating degree are carried out to bleaching needle-point leaf pulp using shiny beating mode；
(2) match somebody with somebody in starching and copy
95 parts, 15 parts of bacteria cellulose are starched according to bleached softwood, mixes the quantification of 26 ± 2g/m that manufactures paper with pulp2Handsheet, pressure
Squeezing condition is 300kPa, 1min；Natural air drying；
(3) it is coated with
Using No. 10 scrapers, with water as solvent, oil-repellent raw material is configured to the oil-repellent that concentration is 0.15% and is hanged
Supernatant liquid is coated treatment to handsheet；
(4) press polish
Calender carries out press polish treatment to paper, and at 200 DEG C, calendering pressure is 100KN/m to felt wrapped roll temperature control.
Embodiment 4：A kind of greaseproof and its preparation
A kind of greaseproof, including body paper and oil-repellent；
The body paper is prepared using the raw material of following parts by weight：Bleached softwood starches 5 parts, 15 parts of bacteria cellulose；
The oil-repellent includes the raw material of following parts by weight：70 parts of bacteria cellulose, 10 parts of shitosan, latex 10
Part, 25 parts of polyvinyl alcohol, 5 parts of soybean protein, 3 parts of carboxymethylcellulose calcium；
The bacteria cellulose is the bacterial fibers crude granule for preparing embodiment 1, molten by 0.1mol/L NaOH
Liquid boils treatment 50 minutes, and pure water rinsing is soaked 4 hours with 0.01mol/L acetums, soaked with pure water rush again afterwards for several times
It is washed till weakly acidic pH, colloid mill homogenized gained；
The preparation method of the greaseproof is as follows：
(1) it is beaten
Mashing treatment, 55 ° of SR of beating degree are carried out to bleaching needle-point leaf pulp using shiny beating mode；
(2) match somebody with somebody in starching and copy
5 parts, 15 parts of bacteria cellulose are starched according to bleached softwood, 5 parts of kaolin and 10 parts of polyacrylamides are added in slurries；
Mix the quantification of 26 ± 2g/m that manufactures paper with pulp2Handsheet, squeezing condition be 300kPa, 1min；Using 80 DEG C of heated-air dryings；
(3) it is coated with
Using No. 10 scrapers, with water as solvent, oil-repellent raw material is configured to concentration for 0.10% oil-repellent suspends
Liquid is coated treatment to handsheet as coating fluid；
(4) press polish
Calender carries out press polish treatment to paper, and at 120 ± 5 DEG C, calendering pressure is 110KN/m to felt wrapped roll temperature control.
Embodiment 5：A kind of greaseproof and its preparation
A kind of greaseproof, including body paper and oil-repellent；
The body paper is prepared using the raw material of following parts by weight：Bleached softwood starches 50 parts, 45 parts of bacteria cellulose；
The oil-repellent includes the raw material of following parts by weight：15 parts of bacteria cellulose, 10 parts of shitosan, latex 50,
2 parts of polyvinyl alcohol, 5 parts of soybean protein, 2 parts of polyurethane；
The bacteria cellulose is the bacteria cellulose membrane material for preparing embodiment 2, molten by 0.1mol/L NaOH
Liquid boils treatment 40 minutes, and pure water rinsing is soaked 4 hours with 0.01mol/L acetums, soaked with pure water rush again afterwards for several times
It is washed till weakly acidic pH, colloid mill homogenized gained；
The preparation method of the greaseproof is as follows：
(1) it is beaten
Mashing treatment, 65 ° of SR of beating degree are carried out to bleaching needle-point leaf pulp using shiny beating mode；
(2) match somebody with somebody in starching and copy
50 parts, 45 parts of bacteria cellulose are starched according to bleached softwood, 5 parts of talcum powder and 10 parts of carboxymethyl celluloses are added in slurries
Element；Mix the quantification of 26 ± 2g/m that manufactures paper with pulp2Handsheet, squeezing condition be 300kPa, 1min；Using 80 DEG C of heated-air dryings；
(3) it is coated with
Using No. 10 scrapers, with water as solvent, oil-repellent raw material is configured to concentration for 0.20% oil-repellent suspends
Liquid is coated treatment to handsheet as coating fluid；
(4) press polish
Calender carries out press polish treatment to paper, and at 180 ± 5 DEG C, calendering pressure is 120KN/m to felt wrapped roll temperature control；
Embodiment 6：A kind of greaseproof and its preparation
A kind of greaseproof, including body paper and oil-repellent；
The body paper is prepared using the raw material of following parts by weight：Bleached softwood starches 95 parts, 70 parts of bacteria cellulose；
The oil-repellent includes the raw material of following parts by weight：45 parts of bacteria cellulose, 20 parts of shitosan, latex 32
Part, 25 parts of polyvinyl alcohol, 10 parts of soybean protein, 5 parts of polyacrylamide；
The bacteria cellulose is the bacterial fibers crude granule for preparing embodiment 1, molten by 0.1mol/L NaOH
Liquid boils treatment 50 minutes, and pure water rinsing is soaked 4 hours with 0.01mol/L acetums, soaked with pure water rush again afterwards for several times
It is washed till weakly acidic pH, colloid mill homogenized gained；
The preparation method of the greaseproof is as follows：
(1) it is beaten
Mashing treatment, 90 ° of SR of beating degree are carried out to bleaching needle-point leaf pulp using shiny beating mode；
(2) match somebody with somebody in starching and copy
95 parts, 70 parts of bacteria cellulose are starched according to bleached softwood, 5 parts of titanium dioxide and 10 parts of polyurethane are added in slurries；
Mix the quantification of 26 ± 2g/m that manufactures paper with pulp2Handsheet, squeezing condition be 300kPa, 1min；Natural air drying；
(3) it is coated with
Using No. 10 scrapers, with water as solvent, oil-repellent raw material is configured to the oil-repellent that concentration is 0.35% and is hanged
Supernatant liquid is coated treatment to handsheet as coating fluid；
(4) press polish
Calender carries out press polish treatment to paper, and at 195 ± 5 DEG C, calendering pressure is 200KN/m to felt wrapped roll temperature control；
Embodiment 7：A kind of greaseproof and its preparation
A kind of greaseproof, including body paper and oil-repellent；
The body paper is prepared using the raw material of following parts by weight：Bleached softwood starches 5 parts, 70 parts of bacteria cellulose；
The oil-repellent includes the raw material of following parts by weight：15 parts of bacteria cellulose, 50 parts of shitosan, latex 20
Part, 10 parts of polyvinyl alcohol, 7 parts of soybean protein, 3 parts of carboxymethylcellulose calcium；
The bacteria cellulose is the bacteria cellulose membrane material for preparing embodiment 2, molten by 0.1mol/L NaOH
Liquid boils treatment 50 minutes, and pure water rinsing is soaked 4 hours with 0.01mol/L acetums, soaked with pure water rush again afterwards for several times
It is washed till weakly acidic pH, colloid mill homogenized gained；
The preparation method of the greaseproof is as follows：
(1) it is beaten
Mashing treatment, 85 ° of SR of beating degree are carried out to bleaching needle-point leaf pulp using shiny beating mode；
(2) match somebody with somebody in starching and copy
5 parts, 70 parts of bacteria cellulose are starched according to bleached softwood, 3 parts of talcum powder and 10 parts of oxidized starch are added in slurries；It is mixed
Conjunction is manufactured paper with pulp quantification of 26 ± 2g/m2Handsheet, squeezing condition be 300kPa, 1min；Natural air drying；
(3) it is coated with
Using No. 10 scrapers, oil-repellent raw material is configured to oil-repellent suspension that concentration is 0.30% as coating
Liquid is coated treatment to handsheet；
(4) press polish
Calender carries out press polish treatment to paper, and at 160 ± 5 DEG C, calendering pressure is 150KN/m to felt wrapped roll temperature control.
Embodiment 8：Check experiment 1
A kind of greaseproof, including body paper and oil-repellent；
The body paper is prepared using the raw material of following parts by weight：Bleached softwood starches 95 parts；
The oil-repellent includes the raw material of following parts by weight：20 parts of shitosan, 32 parts of latex, 25 parts of polyvinyl alcohol,
10 parts of soybean protein, 5 parts of polyacrylamide；
The preparation method of the bacterial fibers preparation and greaseproof is with embodiment 6.
Embodiment 9：Check experiment 2
A kind of greaseproof, including body paper and oil-repellent；
The body paper is prepared using the raw material of following parts by weight：Bleached softwood starches 95 parts；
The oil-repellent includes the raw material of following parts by weight：45 parts of bacteria cellulose, 20 parts of shitosan, latex 32
Part, 25 parts of polyvinyl alcohol, 10 parts of soybean protein, 5 parts of polyacrylamide；
The preparation method of the bacterial fibers preparation and greaseproof is with embodiment 6.
Embodiment 10：Check experiment 3
Seed culture medium：Glucose 20g/L, peptone 5g/L, potassium dihydrogen phosphate 4.3g, magnesium sulfate 2.5g, sodium chloride 3g,
Balance of water, adjusts pH to 6.8；
Fermentation medium：Spontaneous fermentation coconut water 1000ml, sucrose 40g, yeast extract 10g, potassium dihydrogen phosphate 4.3g, sulphur
Sour magnesium 2.5g, sodium chloride 3g, balance of water adjust pH to 6.8.
Other bacteria cellulose fermentation process mode such as embodiments 1.
Embodiment 11：Check experiment 4
Seed culture medium and fermentation medium are prepared with embodiment 1, and with embodiment 1, fermented and cultured uses 7% to seed culture
Inoculum concentration be seeded in fermentation tank, 30 DEG C, 120rpm is filtered to remove bacterium solution and obtains bacteria cellulose granular material after cultivating 120 hours
Material.
Table 1：Each test group fermentation medium cost
| Group | Embodiment 1,2 | Embodiment 10 | Embodiment 11 |
| Culture medium cost (unit/L) | 0.262 | 1.421 | 0.262 |
| Yield (dry weight g/L) | 26.73 | 1.95 | 12.31 |
Table 2：Greaseproof oil preventing performance measurement result prepared by each embodiment
| Oleic acid resistant proof | Kit assay | Turpentine oil resistant proof | Aliphatic acid resistant proof | |
| Embodiment 3 | It is positive | 9 | It is positive | D |
| Embodiment 4 | It is positive | 8 | It is positive | C |
| Embodiment 5 | It is positive | 10 | It is positive | D |
| Embodiment 6 | It is positive | 11 | It is positive | E |
| Embodiment 7 | It is positive | 10 | It is positive | D |
| Embodiment 8 | It is negative | 3 | It is negative | / |
| Embodiment 9 | It is negative | 4 | It is negative | / |
Resistant proof of the greaseproof to oleic acid is determined using TAPPI T 559-cm, as a result shows that embodiment 3-7 gained is produced
Product are the positive, and embodiment 8-9 is feminine gender；
The oil preventing performance of greaseproof is determined using the kit assays of TAPPI T 557, as a result shows that embodiment 3-7 gained is produced
Product oil preventing performance reaches 8-11 grades, and embodiment 8-9 is 3-4 grades；
Turpentine oil resistant proof is carried out using TAPPI T 454-om, as a result shows that embodiment 3-7 products obtained therefroms are sun
Property, embodiment 8-9 is feminine gender；
Show the resistant proof of aliphatic acid embodiment 3-7 products obtained therefroms its oil preventing performance measurement results more than C grades, and it is real
Apply a 8-9 for products obtained therefrom to aliphatic acid non-resistant.
Claims (7)
1. a kind of greaseproof, including body paper and oil-repellent, it is characterised in that the body paper uses the raw material of following parts by weight
Direct preparation with slurry：Bleached softwood starches 5-95 parts, bacteria cellulose 15-70 parts；
The oil-repellent includes the raw material of following parts by weight：Bacteria cellulose 15-70 parts, shitosan 10-50 parts, latex
10-50 parts, polyvinyl alcohol 2-25 parts, soybean protein 5-10 parts, 2-5 parts of rheology regulator.
2. a kind of greaseproof as claimed in claim 1, it is characterised in that the body paper raw material also includes following dry strength agent：
Starch and its derivative, polyacrylamide, polyurethane or carboxymethylcellulose calcium.
3. a kind of greaseproof as claimed in claim 2, it is characterised in that the body paper raw material also includes following filler：Talcum
Powder, kaolin or titanium dioxide.
4. a kind of greaseproof as claimed in claim 1, it is characterised in that the rheology regulator is polyacrylamide, poly- ammonia
Ester, acrylic acid or carboxymethylcellulose calcium.
5. a kind of greaseproof as claimed in claim 1, it is characterised in that the preparation method of the bacteria cellulose is as follows：
The producing bacterial strain of bacteria cellulose is inoculated in suitable culture medium, the bacteria cellulose membrane material that static fermentation is produced
Or the bacterial fibers crude granule that dynamic fermentation is produced, boil treatment by 0.1mol/L NaOH and be not less than 30 minutes, pure water
Rinse and soaked 4 hours with 0.01mol/L acetums afterwards for several times, again with pure water soaking flushing to weakly acidic pH；Colloid mill, ball milling
It is the plant machinery such as machine homogenized, standby.
6. a kind of greaseproof as claimed in claim 5, it is characterised in that the preparation side of the bacteria cellulose membrane material or particle
Method is as follows：
(1) by xylose gluconic acid acetobacter after routinely expanding numerous tube, in access seed culture medium；
(2) seed culture condition is：25 DEG C in constant-temperature table, 120-150rpm cultivate 40-48 hour obtain seed liquor；
(3) bacteria cellulose membrane material static fermentation method：Seed liquor is seeded in static culture box by 10% inoculum concentration, 30
Quiescent culture 5-10 days, filters remaining bacterium solution and obtains final product fermentation membrane material in DEG C incubator；
(4) bacterial fibers crude granule dynamic fermentation method：
First stage：Seed liquor is seeded in fermentation tank by 10% inoculum concentration, 180rpm, 28 DEG C cultivate 24 hours；Second
Stage：By condition of culture be adjusted to 30 DEG C, 210rpm cultivate 48 hours；Phase III：It is 140rpm, 28 DEG C of trainings by adjustment of rotational speed
Bacterium solution is filtered to remove after supporting 48 hours obtain bacteria cellulose granular materials；
Seed culture medium：In terms of 1000 parts, 15 parts of corn flour, 5 parts of analysis for soybean powder, 5 parts of white granulated sugar, 1 part of tryptone, yeast extract
2 parts, 3 parts of potassium dihydrogen phosphate, 1 part of magnesium sulfate, balance of water, pH is to 6.8 for regulation, and 121 DEG C sterilize 20 minutes；
Fermentation medium：In terms of 1000 parts, 20 parts of corn flour, 6 parts of bean cake powder, 5 parts of white granulated sugar, 2 parts of potassium dihydrogen phosphate, magnesium sulfate
2 parts, 1 part of calcium chloride, balance of water, pH is to 6.8 for regulation, and 121 DEG C sterilize 20 minutes.
7. the preparation method of greaseproof described in claim 1-6 any one, comprises the following steps：
(1) it is beaten
Mashing treatment, 55-90 ° of SR of beating degree are carried out to bleaching needle-point leaf pulp using shiny beating mode；
(2) match somebody with somebody in starching and copy
According to body paper composition of raw materials, mix the quantification of 26 ± 2g/m that manufactures paper with pulp2Handsheet, squeezing condition be 300kPa, 1min；Adopt
With heated-air drying or natural air drying；
(3) it is coated with
With water as solvent, oil-repellent raw material is configured to oil-repellent suspension that concentration is 0.10-0.35% as coating
Liquid, treatment is coated to handsheet；
(4) press polish
Calender carries out press polish treatment to paper, and at 120-200 DEG C, calendering pressure is 100-200KN/ to felt wrapped roll temperature control
m。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710298652.1A CN106930140B (en) | 2017-04-27 | 2017-04-27 | A kind of greaseproof and its production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710298652.1A CN106930140B (en) | 2017-04-27 | 2017-04-27 | A kind of greaseproof and its production method |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107938420A (en) * | 2017-11-08 | 2018-04-20 | 常州欣彬纺织品有限公司 | A kind of preparation method of biodegradation type greaseproof |
| CN107964827A (en) * | 2017-11-24 | 2018-04-27 | 苏州甫众塑胶有限公司 | A kind of antibacterial cardboard film and preparation method thereof |
| CN108625219A (en) * | 2018-05-21 | 2018-10-09 | 浙江杭化新材料科技有限公司 | A kind of preparation method of hydrophobic greaseproof |
| CN109235105A (en) * | 2018-07-23 | 2019-01-18 | 华南理工大学 | A method of chitin fiber paper base material is prepared based on wet papermaking technology |
| CN109680556A (en) * | 2019-01-04 | 2019-04-26 | 浙江恒达新材料股份有限公司 | A kind of grease-proof wrapping and preparation method thereof |
| CN110195373A (en) * | 2019-05-31 | 2019-09-03 | 华南理工大学 | A kind of food greaseproof and preparation method thereof |
| CN110593011A (en) * | 2019-10-16 | 2019-12-20 | 深圳市裕同包装科技股份有限公司 | Cellulose-based fluorine-free heat-proof oil packaging paper and preparation method thereof |
| CN111379195A (en) * | 2020-04-03 | 2020-07-07 | 山东仁丰特种材料股份有限公司 | Film transfer sizing method for oilproof paper |
| CN112982028A (en) * | 2021-03-15 | 2021-06-18 | 浙江理工大学 | Preparation method of biodegradable hydrophobic oil-proof paper |
| CN113529482A (en) * | 2021-06-16 | 2021-10-22 | 河南中烟工业有限责任公司 | Preparation method of antibacterial tipping paper |
| CN114438808A (en) * | 2022-01-11 | 2022-05-06 | 中荣印刷集团股份有限公司 | Preparation method of environment-friendly high-barrier paper bag for edible contact |
| CN114892449A (en) * | 2022-05-17 | 2022-08-12 | 浙江恒达新材料股份有限公司 | Preparation method of fluorine-free antibacterial oilproof paper |
| CN115852735A (en) * | 2022-12-28 | 2023-03-28 | 华南理工大学 | Waterproof and oilproof coating and preparation method and application thereof |
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| CN107938420A (en) * | 2017-11-08 | 2018-04-20 | 常州欣彬纺织品有限公司 | A kind of preparation method of biodegradation type greaseproof |
| CN107964827A (en) * | 2017-11-24 | 2018-04-27 | 苏州甫众塑胶有限公司 | A kind of antibacterial cardboard film and preparation method thereof |
| CN108625219A (en) * | 2018-05-21 | 2018-10-09 | 浙江杭化新材料科技有限公司 | A kind of preparation method of hydrophobic greaseproof |
| CN108625219B (en) * | 2018-05-21 | 2021-03-16 | 浙江杭化新材料科技有限公司 | Preparation method of hydrophobic oil-proof paper |
| CN109235105A (en) * | 2018-07-23 | 2019-01-18 | 华南理工大学 | A method of chitin fiber paper base material is prepared based on wet papermaking technology |
| CN109680556B (en) * | 2019-01-04 | 2021-02-09 | 浙江恒达新材料股份有限公司 | Oil-proof packaging paper and preparation method thereof |
| CN109680556A (en) * | 2019-01-04 | 2019-04-26 | 浙江恒达新材料股份有限公司 | A kind of grease-proof wrapping and preparation method thereof |
| CN110195373A (en) * | 2019-05-31 | 2019-09-03 | 华南理工大学 | A kind of food greaseproof and preparation method thereof |
| CN110195373B (en) * | 2019-05-31 | 2021-03-30 | 华南理工大学 | Food oilproof paper and preparation method thereof |
| CN110593011A (en) * | 2019-10-16 | 2019-12-20 | 深圳市裕同包装科技股份有限公司 | Cellulose-based fluorine-free heat-proof oil packaging paper and preparation method thereof |
| CN111379195A (en) * | 2020-04-03 | 2020-07-07 | 山东仁丰特种材料股份有限公司 | Film transfer sizing method for oilproof paper |
| CN112982028B (en) * | 2021-03-15 | 2022-06-07 | 浙江理工大学 | Preparation method of biodegradable hydrophobic oilproof paper |
| CN112982028A (en) * | 2021-03-15 | 2021-06-18 | 浙江理工大学 | Preparation method of biodegradable hydrophobic oil-proof paper |
| CN113529482A (en) * | 2021-06-16 | 2021-10-22 | 河南中烟工业有限责任公司 | Preparation method of antibacterial tipping paper |
| CN114438808A (en) * | 2022-01-11 | 2022-05-06 | 中荣印刷集团股份有限公司 | Preparation method of environment-friendly high-barrier paper bag for edible contact |
| CN114892449A (en) * | 2022-05-17 | 2022-08-12 | 浙江恒达新材料股份有限公司 | Preparation method of fluorine-free antibacterial oilproof paper |
| CN115852735A (en) * | 2022-12-28 | 2023-03-28 | 华南理工大学 | Waterproof and oilproof coating and preparation method and application thereof |
| CN115852735B (en) * | 2022-12-28 | 2023-11-28 | 华南理工大学 | Waterproof and oil-proof coating and preparation method and application thereof |
| WO2024139606A1 (en) * | 2022-12-28 | 2024-07-04 | 华南理工大学 | Waterproof and oilproof paint, and preparation method therefor and use thereof |
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