CN109024068A - A kind of recycled writing paper - Google Patents
A kind of recycled writing paper Download PDFInfo
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- CN109024068A CN109024068A CN201811096949.0A CN201811096949A CN109024068A CN 109024068 A CN109024068 A CN 109024068A CN 201811096949 A CN201811096949 A CN 201811096949A CN 109024068 A CN109024068 A CN 109024068A
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- mass ratio
- bamboo shoot
- writing paper
- recycled writing
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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
- D21H17/62—Rosin; Derivatives thereof
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/02—Material of vegetable origin
-
- 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
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/36—Polyalkenyalcohols; Polyalkenylethers; Polyalkenylesters
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
- D21H17/42—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups anionic
- D21H17/43—Carboxyl groups or 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
- 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
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
Abstract
Invention is related to a kind of recycled writing paper, belongs to paper manufacturing technology field.The processing such as the present invention shreds bamboo shoot shell, blanching, acidleach, mashing, cooperate the carbomer ingredient in thickener, improve internal performance of the invention, condensation reaction occurs for free amino acid in carbonyl and system in fructose, form schiff bases, schiff bases form all sharp product of stable Armagh after rearranging, assign this recycled writing paper excellent anti-oxidant, bacteriostasis property；Addition plant-derived essential oil can occupy the position of the part functional group in product skeleton, reduce the oscillation intensity of covalent bond in molecule of the skeleton, product mechanical property is set to get a promotion, using silk cocoon as raw material, improve the affinity to main fibre, itself promotes the waterproofness of this system so that more hydrophobic group is exposed for amphiphilic substance.The present invention solves the problems, such as that the waterproof of common recycled writing paper, bacteriostasis property are poor at present.
Description
Technical field
The present invention relates to a kind of recycled writing papers, belong to paper manufacturing technology field.
Background technique
Currently, development in more than 200 years is passed through in modern paper industry, it is former to have accounted for various plant fibers using wood raw material
90% or more of material.The forest tree resource regeneration period is long, and the material storage of other class natural plant fibres is huge, is known as height
The material of sustainable use, the high-valued comprehensive utilization for carrying out such material already become one of the research hotspot of scientific research personnel.
The demand of the rapid growth of online shopping and express delivery industry therewith, packed in cases box increasingly increases, but Packaging Box is being widely used
The unreasonable allocation of resource is brought again simultaneously, a large amount of carton is caused just to be dropped and waste after one-time use, thus
Bad influence is all caused on the good resource of environment；Carton can carry out secondary use after recycling again, for damaged larger
Carton can melt down and remake, by carrying out process modification to paper pulp, improve the quality of paper pulp, and add to later period cardboard
Positive facilitation is played in work production.The waterproof ability difference and antibacterial ability of recycled writing paper currently on the market are poor, cannot
Meets the needs of people.
Summary of the invention
The technical problems to be solved by the invention: it for waterproof, the problem of bacteriostasis property difference of current common recycled writing paper, mentions
For a kind of recycled writing paper.
In order to solve the above technical problems, the present invention is using technical solution as described below:
A kind of recycled writing paper, according to the mass fraction, including following component: 4 ~ 8 parts of rosin, 5 ~ 10 parts of polyvinyl alcohol, 3 ~ 7 parts of carboxymethyls
Cellulose, 1 ~ 4 part of auxiliary agent, 2 ~ 5 portions of reinforcing agents, 20 ~ 40 parts of water, further includes: 25 ~ 40 parts of composite base-materials, 16 ~ 25 parts of silk cocoon processing
Object.
The preparation method of the composite base-material, includes the following steps:
(1) it takes bamboo shoot shell to wash, is cut into segment bamboo shoot slag, it is mixed to filter out bamboo shoot slag 4 ~ 8:1 in mass ratio addition auxiliary material while hot for boiling water blanching
It closes, bamboo shoot slag must be pre-processed, take pretreatment bamboo shoot slag, sodium bicarbonate solution mixing in mass ratio for 1:8 ~ 15, pretreatment bamboo shoot slag is added
The fructose of quality 6 ~ 10%, mashing processing, obtains slurry, takes slurry homogenization, obtains the homogenate of bamboo shoot slag, bamboo shoot slag is taken to be homogenized, rotate dense
Contracting, obtains bamboo shoot slag concentrate, spare；
(2) 1:20 ~ 30 take thickener, water to be mixed in mass ratio, are stored at room temperature swelling, obtain swelling solution, take swelling solution in 85 ~
95 DEG C, stirring and dissolving is cooling, and the plants essential oil of thickener qualities 10 ~ 25%, the phosphatide of thickener qualities 5 ~ 10%, thickening is added
Poly- ε-lysine of agent quality 1 ~ 3% is stirred, and obtains magma；
(3) 8:1 ~ 3:0.2 in mass ratio takes spare bamboo shoot slag concentrate, magma, additive to be mixed, microwave treatment, decompression
Evaporation is concentrated in vacuo to get composite base-material.
Auxiliary material in the step (1): 1:6 ~ 10 take citric acid, ethanol solution mixing to get auxiliary material in mass ratio.
Thickener in the step (2): 1:2 ~ 4:3 in mass ratio takes propylene glycol alginate, sodium carboxymethylcellulose, card
Wave nurse mixes to get thickener.
Plants essential oil in the step (2): jasmine essential oil, Lavender, any one in camellia flower essential oil.
Phosphatide in the step (2): soybean lecithin, egg lecithin, any one in milk lecithin.
Additive in the step (3): 5 ~ 8:1:0.1 in mass ratio takes sodium alginate, guar gum, calcium hypochlorite mixed
It closes to get additive.
The preparation of the silk cocoon processed material: in 40 ~ 60 DEG C, in mass ratio for 1:0.1:25 ~ 50 take silk cocoon, duck pancreas liquid,
Sodium carbonate liquor mixing, stirs in 70 ~ 85 DEG C of constant temperature, smashs homogenate to pieces, obtain slurry, take elastoser 1:500 in mass ratio ~
600 are added slurry mixing, adjust pH, are stored at room temperature, and in 25 ~ 40 DEG C, stirring is warming up to 90 ~ 105 DEG C, keeps the temperature enzyme deactivation, cooling,
Up to silk cocoon processed material.
The auxiliary agent: 3 ~ 6:1 in mass ratio takes tetradecyl methylacrylate, sodium alginate mixing to get auxiliary agent.
The reinforcing agent: 1:3 ~ 6:1 in mass ratio takes polyacrylamide, polyvinyl alcohol, the mixing of glyoxal polyacrylamide,
Up to reinforcing agent.
The present invention is compared with other methods, and advantageous effects are:
(1) present invention bamboo shoot shell is shredded, blanching, acidleach, the processing such as mashing, softening fibre ingredient, improve main fibre with
Other compositions compatibility cooperates the carbomer ingredient in thickener, and a large amount of acid groups are had in molecular structure, can in system
Glycosyl group form hydrogen bond, generate gel network, improve internal performance of the invention, sodium bicarbonate, fructose and the amino of addition
Acid, sodium bicarbonate are generated carbon dioxide and water by thermal decomposition, under the action of water, free amino acid in carbonyl and system in fructose
Condensation reaction occurs, forms schiff bases, schiff bases form all sharp product of stable Armagh after rearranging, and with covalently bonded
It closes, is arranged in gel network structure and is fixed, and assign this recycled writing paper excellent anti-oxidant, bacteriostasis property；
(2) present invention addition plant-derived essential oil can occupy the position of the part functional group in product skeleton, reduce molecule of the skeleton
The oscillation intensity of middle covalent bond, makes product mechanical property get a promotion, while the group that can form hydrophilic bond with water in product subtracts
It is few, make the reduction of interiors of products moisture content, improve humidity resistance, using silk cocoon as raw material, is first mixed with duck pancreas liquid, sodium carbonate liquor
Homogenate, reuses elastoser and is digested, and discharges a large amount of silk-fibroin(s)s therein and a small amount of ash content and fiber, silk fibre egg
White structure is unfolded, and the affinity to main fibre is improved, itself is amphiphilic substance, so that more hydrophobic base
Group is exposed, and the waterproofness of this system is promoted.
Specific embodiment
Auxiliary material: the ethanol solution that 1:6 ~ 10 take citric acid in mass ratio, volume fraction is 20% mixes to get auxiliary material.
Thickener: 1:2 ~ 4:3 in mass ratio takes propylene glycol alginate, sodium carboxymethylcellulose, carbomer mixing to get increasing
Thick dose.
Plants essential oil: jasmine essential oil, Lavender, any one in camellia flower essential oil.
Phosphatide: soybean lecithin, egg lecithin, any one in milk lecithin.
Additive: 5 ~ 8:1:0.1 in mass ratio takes sodium alginate, guar gum, calcium hypochlorite mixing to get additive.
Auxiliary agent: 3 ~ 6:1 in mass ratio takes tetradecyl methylacrylate, sodium alginate mixing to get auxiliary agent.
Reinforcing agent: 1:3 ~ 6:1 in mass ratio take polyacrylamide, polyvinyl alcohol, glyoxal polyacrylamide mixing to get
Reinforcing agent.
The preparation method of composite base-material, includes the following steps:
(1) it takes bamboo shoot shell to be washed with water 3 ~ 5 times, is cut into the bamboo shoot slag that length is 0.5 ~ 1.2cm segment with knife, moves in boiling water, scald
Float 6 ~ 10min after, filter out while hot bamboo shoot slag 4 ~ 8:1 in mass ratio be added auxiliary material mixing, bamboo shoot slag must be pre-processed, in mass ratio for 1:8 ~
15 take pretreatment bamboo shoot slag, the sodium bicarbonate solution that mass fraction is 12% is mixed in container, and pretreatment bamboo shoot slag amount 6 ~ 10% is added
Fructose, 6 ~ 10min of processing is beaten with 4800 ~ 6500r/min revolving speed with beater, slurry is obtained, takes slurry in colloid mill, with
1000 ~ 1500r/min, 10 ~ 15min of homogenization obtains the homogenate of bamboo shoot slag, takes the homogenate of bamboo shoot slag in Rotary Evaporators, with temperature 40 ~ 55
DEG C, under the conditions of 500 ~ 600kPa of pressure, 3 ~ 5h of concentrated by rotary evaporation obtains bamboo shoot slag concentrate, spare；
(2) 1:20 ~ 30 take thickener, water mixing in mass ratio, with 600 ~ 900r/min, 30 ~ 55min of magnetic agitation, are stored at room temperature
It is swollen 7 ~ 12h, swelling solution is obtained, takes swelling solution in 85 ~ 95 DEG C, with 400 ~ 600r/min, 45 ~ 60min of stirring and dissolving, natural cooling
To room temperature, the plants essential oil of thickener qualities 10 ~ 25%, the phosphatide of thickener qualities 5 ~ 10%, thickener qualities 1 ~ 3% are added
Poly- ε-lysine, is stirred 40 ~ 60min with 500 ~ 700r/min, obtains magma；
(3) 8:1 ~ 3:0.2 in mass ratio takes spare bamboo shoot slag concentrate, magma, additive mixing, with 800 ~ 1000r/min magnetic
Power stir 35 ~ 60min, after 4 ~ 7min of 400W microwave treatment, in 60 ~ 80 DEG C be evaporated under reduced pressure, be concentrated in vacuo to original volume 25 ~
40% to get composite base-material.
The preparation of silk cocoon processed material: in 40 ~ 60 DEG C, silk cocoon, duck pancreas liquid, quality are taken for 1:0.1:25 ~ 50 in mass ratio
The sodium carbonate liquor of score 20% is mixed in container, in 70 ~ 85 DEG C, is stirred 1 ~ 3h with 400 ~ 600r/min constant temperature, is moved to tissue and smash
Broken machine smashs homogenate to pieces, obtains slurry, takes elastoser 1:500 in mass ratio ~ 600 that slurry mixing is added, with mass fraction 20%
Triethanolamine solution adjusts pH to 7.6 ~ 7.8, is stored at room temperature 1 ~ 3h, in 25 ~ 40 DEG C, stirs 3 ~ 5h with 400 ~ 600r/min, rises
Temperature keeps the temperature 10 ~ 15min of enzyme deactivation, cooled to room temperature is to get silk cocoon processed material to 90 ~ 105 DEG C.
A kind of recycled writing paper, according to the mass fraction, including following component: 4 ~ 8 parts of rosin, 5 ~ 10 parts of polyvinyl alcohol, 3 ~ 7 parts of carboxylics
Methylcellulose, 1 ~ 4 part of auxiliary agent, 2 ~ 5 portions of reinforcing agents, 25 ~ 40 parts of composite base-materials, 16 ~ 25 parts of silk cocoon processed materials.
A kind of preparation method of recycled writing paper, includes the following steps:
(1) according to the mass fraction, take 4 ~ 8 parts of rosin, 5 ~ 10 parts of polyvinyl alcohol, 3 ~ 7 parts of carboxymethyl celluloses, 1 ~ 4 part of auxiliary agent, 2 ~
5 portions of reinforcing agents, 20 ~ 40 parts of water, 25 ~ 40 parts of composite base-materials, 16 ~ 25 parts of silk cocoon processed materials；
(2) in 30 ~ 45 DEG C, carboxymethyl cellulose, auxiliary agent, reinforcing agent, composite base-material, water is first taken to mix in reaction kettle, with 400 ~
600r/min 30 ~ 55min of magnetic agitation is warming up to 80 ~ 100 DEG C of addition silk cocoon processed materials, rosin, polyvinyl alcohol, with 600
~ 900r/min 1 ~ 3h of magnetic agitation, vacuum defoamation are manufactured paper with pulp, suction press dehydration, are dried in 30 ~ 50 DEG C, cut paper is to get regeneration
Paper.
Embodiment 1
Auxiliary material: the ethanol solution that 1:6 in mass ratio takes citric acid, volume fraction is 20% mixes to get auxiliary material.
Thickener: 1:2:3 in mass ratio takes propylene glycol alginate, sodium carboxymethylcellulose, carbomer mixing to get thickening
Agent.
Plants essential oil: jasmine essential oil.
Phosphatide: soybean lecithin.
Additive: 5:1:0.1 in mass ratio takes sodium alginate, guar gum, calcium hypochlorite mixing to get additive.
Auxiliary agent: 3:1 in mass ratio takes tetradecyl methylacrylate, sodium alginate mixing to get auxiliary agent.
Reinforcing agent: 1:3:1 in mass ratio takes polyacrylamide, polyvinyl alcohol, the mixing of glyoxal polyacrylamide to get benefit
Strong agent.
The preparation method of composite base-material, includes the following steps:
(1) it takes bamboo shoot shell to be washed with water 3 times, is cut into the bamboo shoot slag that length is 0.5cm segment with knife, moves in boiling water, blanching 6min
Afterwards, bamboo shoot slag 4:1 in mass ratio is filtered out while hot, auxiliary material mixing is added, must pre-process bamboo shoot slag, take pretreatment bamboo shoot in mass ratio for 1:8
Slag, the sodium bicarbonate solution that mass fraction is 12% are mixed in container, and the fructose of pretreatment bamboo shoot slag amount 6% is added, uses beater
It is beaten processing 6min with 4800r/min revolving speed, slurry is obtained, slurry is taken to obtain in colloid mill with 1000r/min homogenization 10min
The homogenate of bamboo shoot slag takes the homogenate of bamboo shoot slag in Rotary Evaporators, and under the conditions of 40 DEG C of temperature, pressure 500kPa, concentrated by rotary evaporation 3h obtains bamboo shoot slag
Concentrate, it is spare；
(2) 1:20 in mass ratio takes thickener, water mixing, with 600r/min magnetic agitation 30min, is stored at room temperature swelling 7h, obtains
Swelling solution takes swelling solution in 85 DEG C, and with 400r/min stirring and dissolving 45min, thickener qualities are added in cooled to room temperature
10% plants essential oil, the phosphatide of thickener qualities 5%, thickener qualities 1% poly- ε-lysine, be stirred with 500r/min
40min obtains magma；
(3) 8:1:0.2 in mass ratio takes spare bamboo shoot slag concentrate, magma, additive mixing, with 800r/min magnetic agitation
35min is evaporated under reduced pressure after 400W microwave treatment 4min in 60 DEG C, is concentrated in vacuo to the 25% of original volume to get composite base-material.
The preparation of silk cocoon processed material: in 40 DEG C, silk cocoon, duck pancreas liquid, mass fraction 20% are taken for 1:0.1:25 in mass ratio
Sodium carbonate liquor in container mix, in 70 DEG C, with 400r/min constant temperature stir 1h, move to tissue mashing machine and smash homogenate to pieces, obtain
Slurry takes elastoser 1:500 in mass ratio that slurry mixing is added, and adjusts pH with the triethanolamine solution of mass fraction 20%
To 7.6, it is stored at room temperature 1h, in 25 DEG C, 3h is stirred with 400r/min, is warming up to 90 DEG C, enzyme deactivation 10min is kept the temperature, naturally cools to
Room temperature is to get silk cocoon processed material.
A kind of recycled writing paper, according to the mass fraction, including following component: 4 parts of rosin, 5 parts of polyvinyl alcohol, 3 parts of carboxymethyl fibres
Tie up element, 1 part of auxiliary agent, 2 portions of reinforcing agents, 25 parts of composite base-materials, 16 parts of silk cocoon processed materials.
A kind of preparation method of recycled writing paper, includes the following steps:
(1) according to the mass fraction, take 4 parts of rosin, 5 parts of polyvinyl alcohol, 3 parts of carboxymethyl celluloses, 1 part of auxiliary agent, 2 portions of reinforcing agents,
20 parts of water, 25 parts of composite base-materials, 16 parts of silk cocoon processed materials；
(2) in 30 DEG C, carboxymethyl cellulose, auxiliary agent, reinforcing agent, composite base-material, water is taken to mix in reaction kettle, first with 400r/min
Magnetic agitation 30min is warming up to 80 DEG C of addition silk cocoon processed materials, rosin, polyvinyl alcohol, with 600r/min magnetic agitation
1h, vacuum defoamation are manufactured paper with pulp, suction press dehydration, are dried in 30 DEG C, cut paper is to get recycled writing paper.
Embodiment 2
Auxiliary material: the ethanol solution that 1:10 in mass ratio takes citric acid, volume fraction is 20% mixes to get auxiliary material.
Thickener: 1:4:3 in mass ratio takes propylene glycol alginate, sodium carboxymethylcellulose, carbomer mixing to get thickening
Agent.
Plants essential oil: Lavender.
Phosphatide: egg lecithin.
Additive: 8:1:0.1 in mass ratio takes sodium alginate, guar gum, calcium hypochlorite mixing to get additive.
Auxiliary agent: 6:1 in mass ratio takes tetradecyl methylacrylate, sodium alginate mixing to get auxiliary agent.
Reinforcing agent: 1:6:1 in mass ratio takes polyacrylamide, polyvinyl alcohol, the mixing of glyoxal polyacrylamide to get benefit
Strong agent.
The preparation method of composite base-material, includes the following steps:
(1) it takes bamboo shoot shell to be washed with water 5 times, is cut into the bamboo shoot slag that length is 1.2cm segment with knife, moves in boiling water, blanching 10min
Afterwards, bamboo shoot slag 8:1 in mass ratio is filtered out while hot, auxiliary material mixing is added, must pre-process bamboo shoot slag, take pretreatment bamboo shoot in mass ratio for 1:15
Slag, the sodium bicarbonate solution that mass fraction is 12% are mixed in container, and the fructose of pretreatment bamboo shoot slag amount 10% is added, uses beater
It is beaten processing 10min with 6500r/min revolving speed, slurry is obtained, takes slurry in colloid mill, with 1500r/min homogenization 15min,
The homogenate of bamboo shoot slag is obtained, takes the homogenate of bamboo shoot slag in Rotary Evaporators, under the conditions of 55 DEG C of temperature, pressure 600kPa, concentrated by rotary evaporation 5h obtains bamboo shoot
Slag concentrate, it is spare；
(2) 1:30 in mass ratio takes thickener, water mixing, with 900r/min magnetic agitation 55min, is stored at room temperature swelling 12h, obtains
Swelling solution takes swelling solution in 95 DEG C, and with 600r/min stirring and dissolving 60min, thickener qualities are added in cooled to room temperature
25% plants essential oil, the phosphatide of thickener qualities 10%, thickener qualities 3% poly- ε-lysine, be stirred with 700r/min
60min obtains magma；
(3) 8:3:0.2 in mass ratio takes spare bamboo shoot slag concentrate, magma, additive mixing, with 1000r/min magnetic agitation
60min is evaporated under reduced pressure after 400W microwave treatment 7min in 80 DEG C, is concentrated in vacuo to the 40% of original volume to get composite base-material.
The preparation of silk cocoon processed material: in 60 DEG C, silk cocoon, duck pancreas liquid, mass fraction 20% are taken for 1:0.1:50 in mass ratio
Sodium carbonate liquor in container mix, in 85 DEG C, with 600r/min constant temperature stir 3h, move to tissue mashing machine and smash homogenate to pieces, obtain
Slurry takes elastoser 1:600 in mass ratio that slurry mixing is added, and adjusts pH with the triethanolamine solution of mass fraction 20%
To 7.8, it is stored at room temperature 3h, in 40 DEG C, 5h is stirred with 600r/min, is warming up to 105 DEG C, enzyme deactivation 15min is kept the temperature, naturally cools to
Room temperature is to get silk cocoon processed material.
A kind of recycled writing paper, according to the mass fraction, including following component: 8 parts of rosin, 10 parts of polyvinyl alcohol, 7 parts of carboxymethyl fibres
Tie up element, 4 parts of auxiliary agents, 5 portions of reinforcing agents, 40 parts of composite base-materials, 25 parts of silk cocoon processed materials.
A kind of preparation method of recycled writing paper, includes the following steps:
(1) according to the mass fraction, take 8 parts of rosin, 10 parts of polyvinyl alcohol, 7 parts of carboxymethyl celluloses, 4 parts of auxiliary agents, 5 portions of reinforcing agents,
40 parts of water, 40 parts of composite base-materials, 25 parts of silk cocoon processed materials；
(2) in 45 DEG C, carboxymethyl cellulose, auxiliary agent, reinforcing agent, composite base-material, water is taken to mix in reaction kettle, first with 600r/min
Magnetic agitation 55min is warming up to 100 DEG C of addition silk cocoon processed materials, rosin, polyvinyl alcohol, with 900r/min magnetic agitation
3h, vacuum defoamation are manufactured paper with pulp, suction press dehydration, are dried in 50 DEG C, cut paper is to get recycled writing paper.
Embodiment 3
Auxiliary material: the ethanol solution that 1:8 in mass ratio takes citric acid, volume fraction is 20% mixes to get auxiliary material.
Thickener: 1:3:3 in mass ratio takes propylene glycol alginate, sodium carboxymethylcellulose, carbomer mixing to get thickening
Agent.
Plants essential oil: camellia flower essential oil.
Phosphatide: milk lecithin.
Additive: 6:1:0.1 in mass ratio takes sodium alginate, guar gum, calcium hypochlorite mixing to get additive.
Auxiliary agent: 5:1 in mass ratio takes tetradecyl methylacrylate, sodium alginate mixing to get auxiliary agent.
Reinforcing agent: 1:5:1 in mass ratio takes polyacrylamide, polyvinyl alcohol, the mixing of glyoxal polyacrylamide to get benefit
Strong agent.
The preparation method of composite base-material, includes the following steps:
(1) it takes bamboo shoot shell to be washed with water 4 times, is cut into the bamboo shoot slag that length is 0.8cm segment with knife, moves in boiling water, blanching 8min
Afterwards, bamboo shoot slag 6:1 in mass ratio is filtered out while hot, auxiliary material mixing is added, must pre-process bamboo shoot slag, take pretreatment bamboo shoot in mass ratio for 1:13
Slag, the sodium bicarbonate solution that mass fraction is 12% are mixed in container, and the fructose of pretreatment bamboo shoot slag amount 8% is added, uses beater
It is beaten processing 8min with 5500r/min revolving speed, slurry is obtained, slurry is taken to obtain in colloid mill with 1200r/min homogenization 13min
The homogenate of bamboo shoot slag takes the homogenate of bamboo shoot slag in Rotary Evaporators, and under the conditions of temperature 45 C, pressure 550kPa, concentrated by rotary evaporation 4h obtains bamboo shoot slag
Concentrate, it is spare；
(2) 1:25 in mass ratio takes thickener, water mixing, with 800r/min magnetic agitation 45min, is stored at room temperature swelling 9h, obtains
Swelling solution takes swelling solution in 90 DEG C, and with 500r/min stirring and dissolving 50min, thickener qualities are added in cooled to room temperature
15% plants essential oil, the phosphatide of thickener qualities 7%, thickener qualities 2% poly- ε-lysine, be stirred with 600r/min
50min obtains magma；
(3) 8:2:0.2 in mass ratio takes spare bamboo shoot slag concentrate, magma, additive mixing, with 900r/min magnetic agitation
50min is evaporated under reduced pressure after 400W microwave treatment 5min in 70 DEG C, is concentrated in vacuo to the 30% of original volume to get composite base-material.
The preparation of silk cocoon processed material: in 50 DEG C, silk cocoon, duck pancreas liquid, mass fraction 20% are taken for 1:0.1:40 in mass ratio
Sodium carbonate liquor in container mix, in 80 DEG C, with 500r/min constant temperature stir 2h, move to tissue mashing machine and smash homogenate to pieces, obtain
Slurry takes elastoser 1:550 in mass ratio that slurry mixing is added, and adjusts pH with the triethanolamine solution of mass fraction 20%
To 7.7, it is stored at room temperature 2h, in 30 DEG C, 4h is stirred with 500r/min, is warming up to 100 DEG C, enzyme deactivation 12min is kept the temperature, naturally cools to
Room temperature is to get silk cocoon processed material.
A kind of recycled writing paper, according to the mass fraction, including following component: 6 parts of rosin, 7 parts of polyvinyl alcohol, 5 parts of carboxymethyl fibres
Tie up element, 3 parts of auxiliary agents, 3 portions of reinforcing agents, 35 parts of composite base-materials, 23 parts of silk cocoon processed materials.
A kind of preparation method of recycled writing paper, includes the following steps:
(1) according to the mass fraction, take 6 parts of rosin, 7 parts of polyvinyl alcohol, 4 parts of carboxymethyl celluloses, 3 parts of auxiliary agents, 3 portions of reinforcing agents,
30 parts of water, 30 parts of composite base-materials, 20 parts of silk cocoon processed materials；
(2) in 40 DEG C, carboxymethyl cellulose, auxiliary agent, reinforcing agent, composite base-material, water is taken to mix in reaction kettle, first with 500r/min
Magnetic agitation 45min is warming up to 90 DEG C of addition silk cocoon processed materials, rosin, polyvinyl alcohol, with 800r/min magnetic agitation
2h, vacuum defoamation are manufactured paper with pulp, suction press dehydration, are dried in 40 DEG C, cut paper is to get recycled writing paper.
Comparative example 1: it is essentially identical with the preparation method of embodiment 1, it has only the difference is that lacking composite base-material.
Comparative example 2: it is essentially identical with the preparation method of embodiment 1, it has only the difference is that lacking silk cocoon processed material.
Comparative example 3: the recycled writing paper of company of Shenzhen production.
The recycled writing paper that above-described embodiment is obtained with comparative example is detected, is inhaled according to GB/T1540-2002 measurement paper
It is aqueous can, detect its anti-microbial property according to GB15979-2002, obtain that the results are shown in Table 1.
Table 1:
In summary, recycled writing paper effect of the invention is more preferable as can be seen from Table 1, is worth of widely use, and the foregoing is merely this
The preferred mode of invention, is not intended to limit the invention, all within the spirits and principles of the present invention, made any modification,
Equivalent replacement, improvement etc. should all include again within protection scope of the present invention.
Claims (10)
1. a kind of recycled writing paper, according to the mass fraction, including following component: 4 ~ 8 parts of rosin, 5 ~ 10 parts of polyvinyl alcohol, 3 ~ 7 parts of carboxylic first
Base cellulose, 1 ~ 4 part of auxiliary agent, 2 ~ 5 portions of reinforcing agents, 20 ~ 40 parts of water, which is characterized in that further include: 25 ~ 40 parts of composite base-materials, 16
~ 25 parts of silk cocoon processed materials.
2. a kind of recycled writing paper according to claim 1, which is characterized in that the preparation method of the composite base-material, including it is as follows
Step:
(1) it takes bamboo shoot shell to wash, is cut into segment bamboo shoot slag, it is mixed to filter out bamboo shoot slag 4 ~ 8:1 in mass ratio addition auxiliary material while hot for boiling water blanching
It closes, bamboo shoot slag must be pre-processed, take pretreatment bamboo shoot slag, sodium bicarbonate solution mixing in mass ratio for 1:8 ~ 15, pretreatment bamboo shoot slag is added
The fructose of quality 6 ~ 10%, mashing processing, obtains slurry, takes slurry homogenization, obtains the homogenate of bamboo shoot slag, bamboo shoot slag is taken to be homogenized, rotate dense
Contracting, obtains bamboo shoot slag concentrate, spare；
(2) 1:20 ~ 30 take thickener, water to be mixed in mass ratio, are stored at room temperature swelling, obtain swelling solution, take swelling solution in 85 ~
95 DEG C, stirring and dissolving is cooling, and the plants essential oil of thickener qualities 10 ~ 25%, the phosphatide of thickener qualities 5 ~ 10%, thickening is added
Poly- ε-lysine of agent quality 1 ~ 3% is stirred, and obtains magma；
(3) 8:1 ~ 3:0.2 in mass ratio takes spare bamboo shoot slag concentrate, magma, additive to be mixed, microwave treatment, decompression
Evaporation is concentrated in vacuo to get composite base-material.
3. a kind of recycled writing paper according to claim 2, which is characterized in that the auxiliary material in the step (1): 1:6 in mass ratio ~
10 take citric acid, ethanol solution mixing to get auxiliary material.
4. a kind of recycled writing paper according to claim 2, which is characterized in that the thickener in the step (2): in mass ratio 1:
2 ~ 4:3 takes propylene glycol alginate, sodium carboxymethylcellulose, carbomer mixing to get thickener.
5. a kind of recycled writing paper according to claim 2, which is characterized in that the plants essential oil in the step (2): jasmine anthosin
Oil, Lavender, any one in camellia flower essential oil.
6. a kind of recycled writing paper according to claim 2, which is characterized in that the phosphatide in the step (2): soybean lecithin,
Any one in egg lecithin, milk lecithin.
7. a kind of recycled writing paper according to claim 2, which is characterized in that the additive in the step (3): in mass ratio 5 ~
8:1:0.1 takes sodium alginate, guar gum, calcium hypochlorite mixing to get additive.
8. a kind of recycled writing paper according to claim 1, which is characterized in that the preparation of the silk cocoon processed material: in 40 ~ 60 DEG C,
Silk cocoon, duck pancreas liquid, sodium carbonate liquor mixing are taken for 1:0.1:25 ~ 50 in mass ratio, stirs, smashs to pieces even in 70 ~ 85 DEG C of constant temperature
Slurry, obtains slurry, takes elastoser 1:500 in mass ratio ~ 600 that slurry mixing is added, adjusts pH, be stored at room temperature, in 25 ~ 40
DEG C, stirring is warming up to 90 ~ 105 DEG C, keeps the temperature enzyme deactivation, cooling to get silk cocoon processed material.
9. a kind of recycled writing paper according to claim 1, which is characterized in that the auxiliary agent: 3 ~ 6:1 takes metering system in mass ratio
Sour 14 esters, sodium alginate mixing are to get auxiliary agent.
10. a kind of recycled writing paper according to claim 1, which is characterized in that the reinforcing agent: 1:3 ~ 6:1 takes poly- in mass ratio
Acrylamide, polyvinyl alcohol, the mixing of glyoxal polyacrylamide are to get reinforcing agent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811096949.0A CN109024068A (en) | 2018-09-20 | 2018-09-20 | A kind of recycled writing paper |
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| CN201811096949.0A CN109024068A (en) | 2018-09-20 | 2018-09-20 | A kind of recycled writing paper |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103233281A (en) * | 2013-04-08 | 2013-08-07 | 西丰县盛世凯峰茧产品有限公司 | Tussah cocoon shell bio-enzyme degumming method and device |
| CN105544284A (en) * | 2015-12-15 | 2016-05-04 | 浙江理工大学 | Medical silk paper and preparation method thereof |
| CN107217547A (en) * | 2017-05-22 | 2017-09-29 | 句容市兴武包装有限公司 | A kind of preparation method of reproducible waterproof corrugated board |
| CN108193551A (en) * | 2017-12-06 | 2018-06-22 | 王敏 | A kind of preparation method of compound celery base wrapping paper |
| CN108360285A (en) * | 2018-01-19 | 2018-08-03 | 华南理工大学 | The preparation method for adulterating the silk paper of Cellulose nanocrystal palpus and its application in facial mask |
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- 2018-09-20 CN CN201811096949.0A patent/CN109024068A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233281A (en) * | 2013-04-08 | 2013-08-07 | 西丰县盛世凯峰茧产品有限公司 | Tussah cocoon shell bio-enzyme degumming method and device |
| CN105544284A (en) * | 2015-12-15 | 2016-05-04 | 浙江理工大学 | Medical silk paper and preparation method thereof |
| CN107217547A (en) * | 2017-05-22 | 2017-09-29 | 句容市兴武包装有限公司 | A kind of preparation method of reproducible waterproof corrugated board |
| CN108193551A (en) * | 2017-12-06 | 2018-06-22 | 王敏 | A kind of preparation method of compound celery base wrapping paper |
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