CN109280403A - A kind of paper snack box preparation method of high-tensile - Google Patents

A kind of paper snack box preparation method of high-tensile Download PDF

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Publication number
CN109280403A
CN109280403A CN201811007465.4A CN201811007465A CN109280403A CN 109280403 A CN109280403 A CN 109280403A CN 201811007465 A CN201811007465 A CN 201811007465A CN 109280403 A CN109280403 A CN 109280403A
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slurry
snack box
tensile
polystyrene microsphere
added
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CN201811007465.4A
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Chinese (zh)
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徐江河
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Anhui Xinxing Paper Co Ltd
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Anhui Xinxing Paper Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L97/00—Compositions of lignin-containing materials
    • C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/262—Alkali metal carbonates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/18—Spheres

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)

Abstract

The invention discloses a kind of paper snack box preparation method of high-tensile, include the following steps: that by poplar wood pulp, Chinese scholartree wood pulp, linden slurry, mill is beaten to obtain slurry using pulper size degradation；Slurry, microcrystalline cellulose, gum arabic, hyaluronic acid are stirred to get into premix；Premix, polystyrene microsphere, sodium carbonate, stabilizer, lubricant, mountain flour are uniformly mixed, molding obtains the paper snack box of high-tensile.Polystyrene microsphere is prepared using following technique: by locust bean gum, absolute ethyl alcohol and stirring; hydrogen peroxide solution is added and stirs 30-50min, regulation system pH value is 8.2-8.8, heat preservation; cooling; styrene stirring is added under nitrogen protection, tert-butyl hydroperoxide stirring is added to neutrality by regulation system pH; cooling; filtering, washing, is dried to obtain polystyrene microsphere.

Description

A kind of paper snack box preparation method of high-tensile
Technical field
The present invention relates to mess-tin technical field more particularly to a kind of paper snack box preparation methods of high-tensile.
Background technique
Solving plastic tableware both at home and abroad causes the main method of " white pollution " mainly to be moulded with paper generation.Cardboard punch forming Snack container is a kind of earlier, but its poor waterproof properties, tensile strength can not meet demand, with the quick hair of China's economy Exhibition, the living standard of people is improved constantly, and rhythm of life seriously constrains the development of fast food also in lasting quickening.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of preparations of the paper snack box of high-tensile Method, gained paper snack box tensile strength is high, is remarkably improved flatness, the waterproofness of gained mess-tin, and improve The uniformity of paper and the vividness of color, safety and environmental protection can satisfy the demand of production, it is with good economic efficiency and Environmental benefit.
A kind of paper snack box preparation method of high-tensile proposed by the present invention, includes the following steps:
S1, poplar wood pulp, Chinese scholartree wood pulp, linden slurry are used into pulper size degradation, mill is beaten to obtain slurry；
S2, slurry, microcrystalline cellulose, gum arabic, hyaluronic acid are stirred to get into premix；
S3, premix, polystyrene microsphere, sodium carbonate, stabilizer, lubricant, mountain flour are uniformly mixed, molding obtains height The paper snack box of tensile strength.
Preferably, in S1, the weight ratio that poplar wood pulp, Chinese scholartree wood pulp, linden are starched is 100-140:20-30:20-30.
Preferably, in S1, poplar wood pulp, Chinese scholartree wood pulp, linden slurry are used into pulper size degradation, mill, which is beaten to concentration, is 5-8wt%, the slurry that beating degree is 30-35 ° of SR.
Preferably, in S2, slurry, microcrystalline cellulose, gum arabic, hyaluronic acid weight ratio be 80-100:2-4: 2-4:1-2.
Preferably, in S2, slurry, microcrystalline cellulose, gum arabic, hyaluronic acid are stirred into 10-20min, stirring speed Degree is 200-400r/min, obtains premix.
Preferably, in S3, premix, polystyrene microsphere, sodium carbonate, stabilizer, lubricant, mountain flour weight ratio be 160-200:4-8:2-4:2-4:2-4:2-4.
Preferably, in S3, polystyrene microsphere is prepared using following technique: locust bean gum, absolute ethyl alcohol and stirring are added Hydrogen peroxide solution stirs 30-50min, and regulation system pH value is 8.2-8.8, keeps the temperature, cooling, regulation system pH to neutrality, in nitrogen Styrene stirring is added under gas shielded, tert-butyl hydroperoxide stirring is added, cools down, filters, washing is dried to obtain polystyrene Microballoon.
Preferably, in the polystyrene microsphere preparation process of S3, hydrogen peroxide solution concentration is 30-38wt%.
Preferably, in the polystyrene microsphere preparation process of S3, locust bean gum, dehydrated alcohol, hydrogen peroxide solution, benzene second Alkene, tert-butyl hydroperoxide weight ratio be 10-20:35-45:1-2:6-12:0.04-0.08.
Preferably, in S3, polystyrene microsphere is prepared using following technique: by locust bean gum, absolute ethyl alcohol and stirring 20- 30min, whipping temp are 75-85 DEG C, and hydrogen peroxide solution is added and stirs 30-50min, uses concentration for 20-30wt% hydroxide Sodium solution regulation system pH value is 8.2-8.8, keeps the temperature 8-14h, room temperature is down to, using hydrochloric acid regulation system pH to neutrality, in nitrogen Styrene is added under gas shielded and stirs 2-4h, whipping temp is 96-100 DEG C, and tert-butyl hydroperoxide is added and stirs 4-6h, drop Temperature filters, and washing is dried to obtain polystyrene microsphere.
The present invention is cooperated using polystyrene microsphere and gum arabic, hyaluronic acid, can be effectively increased smoothness and be prevented Aqueous energy can be infiltrated through effectively between the composite fibre of poplar wood pulp, Chinese scholartree wood pulp, linden slurry, form the network knot of high degree of dispersion Structure, after drying, tensile strength is high, is remarkably improved flatness, waterproofness and the tensile strength of gained mess-tin.
In polystyrene microsphere of the invention, locust bean gum, which is adjusted after hydrogen peroxide acidified degradation using sodium hydroxide, to be divided Minor structure is compounded with styrene, and intermolecular force is stronger after solidification, is formed spacial framework, can be greatly improved viscous Stability is spent, top sizing is used for, surface strength can be made to improve, improve the uniformity of paper and the vividness of color, is pacified Loopful is protected, and can satisfy the demand of production, with good economic efficiency and environmental benefit.
Quantification of 42-43g/m of the invention2, machine direction tensile strength 18-21N/cm, cross direction tensile strength 12-14N/ Cm, longitudinal wet are 3.54-3.85N/cm, longitudinal tensile strain rate 14-16%, water imbibition 8-10%, moisture 1-2% by force.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of paper snack box preparation method of high-tensile, includes the following steps:
S1,100kg poplar wood pulp, 30kg Chinese scholartree wood pulp, 20kg linden slurry are used into pulper size degradation, mill is beaten to dense Degree be 8wt%, the slurry that beating degree is 30 ° of SR；
S2,100kg slurry, 2kg microcrystalline cellulose, 4kg gum arabic, 1kg hyaluronic acid are stirred into 20min, stirring Speed is 200r/min, obtains premix；
S3, by 200kg premix, 4kg polystyrene microsphere, 4kg sodium carbonate, 2kg stabilizer, 4kg lubricant, 2kg stone Powder is uniformly mixed, and molding obtains the paper snack box of high-tensile.
Polystyrene microsphere is prepared using following technique: 20kg locust bean gum, 35kg absolute ethyl alcohol and stirring 30min stir Mixing temperature is 75 DEG C, and it is that 30wt% hydrogen peroxide solution stirs 50min that 2kg concentration, which is added, uses concentration for 20wt% sodium hydroxide Solution regulation system pH value is 8.2-8.8, keeps the temperature 14h, is down to room temperature, using hydrochloric acid regulation system pH to neutrality, is protected in nitrogen The lower 6kg styrene that is added of shield stirs 4h, and whipping temp is 96 DEG C, and 0.08kg tert-butyl hydroperoxide is added and stirs 4h, cooling, mistake Filter, washing, is dried to obtain polystyrene microsphere.
Embodiment 2
A kind of paper snack box preparation method of high-tensile, includes the following steps:
S1,140kg poplar wood pulp, 20kg Chinese scholartree wood pulp, 30kg linden slurry are used into pulper size degradation, mill is beaten to dense Degree be 5wt%, the slurry that beating degree is 35 ° of SR；
S2,80kg slurry, 4kg microcrystalline cellulose, 2kg gum arabic, 2kg hyaluronic acid are stirred to 10min, stirring speed Degree is 400r/min, obtains premix；
S3, by 160kg premix, 8kg polystyrene microsphere, 2kg sodium carbonate, 4kg stabilizer, 2kg lubricant, 4kg stone Powder is uniformly mixed, and molding obtains the paper snack box of high-tensile.
Polystyrene microsphere is prepared using following technique: 10kg locust bean gum, 45kg absolute ethyl alcohol and stirring 20min stir Mixing temperature is 85 DEG C, and it is that 38wt% hydrogen peroxide solution stirs 30min that 1kg concentration, which is added, uses concentration for 30wt% sodium hydroxide Solution regulation system pH value is 8.2-8.8, keeps the temperature 8h, room temperature is down to, using hydrochloric acid regulation system pH to neutrality, in nitrogen protection Lower addition 12kg styrene stirs 2h, and whipping temp is 100 DEG C, and 0.04kg tert-butyl hydroperoxide is added and stirs 6h, cooling, mistake Filter, washing, is dried to obtain polystyrene microsphere.
Embodiment 3
A kind of paper snack box preparation method of high-tensile, includes the following steps:
S1,110kg poplar wood pulp, 28kg Chinese scholartree wood pulp, 23kg linden slurry are used into pulper size degradation, mill is beaten to dense Degree be 7wt%, the slurry that beating degree is 32 ° of SR；
S2,95kg slurry, 2.5kg microcrystalline cellulose, 3.5kg gum arabic, 1.3kg hyaluronic acid are stirred into 17min, Mixing speed is 250r/min, obtains premix；
S3, by 190kg premix, 5kg polystyrene microsphere, 3.5kg sodium carbonate, 2.5kg stabilizer, 3.5kg lubricant, 2.5kg mountain flour is uniformly mixed, and molding obtains the paper snack box of high-tensile.
Polystyrene microsphere is prepared using following technique: 18kg locust bean gum, 38kg absolute ethyl alcohol and stirring 27min stir Mixing temperature is 78 DEG C, and it is that 32wt% hydrogen peroxide solution stirs 45min that 1.7kg concentration, which is added, uses concentration for 22wt% hydroxide Sodium solution regulation system pH value is 8.2-8.8, keeps the temperature 12h, room temperature is down to, using hydrochloric acid regulation system pH to neutrality, in nitrogen The lower 8kg styrene that is added of protection stirs 3.5h, and whipping temp is 97 DEG C, and 0.07kg tert-butyl hydroperoxide is added and stirs 4.5h, Cooling is filtered, and washing is dried to obtain polystyrene microsphere.
Embodiment 4
A kind of paper snack box preparation method of high-tensile, includes the following steps:
S1,130kg poplar wood pulp, 22kg Chinese scholartree wood pulp, 27kg linden slurry are used into pulper size degradation, mill is beaten to dense Degree be 6wt%, the slurry that beating degree is 34 ° of SR；
S2,85kg slurry, 3.5kg microcrystalline cellulose, 2.5kg gum arabic, 1.7kg hyaluronic acid are stirred into 13min, Mixing speed is 350r/min, obtains premix；
S3, by 170kg premix, 7kg polystyrene microsphere, 2.5kg sodium carbonate, 3.5kg stabilizer, 2.5kg lubricant, 3.5kg mountain flour is uniformly mixed, and molding obtains the paper snack box of high-tensile.
Polystyrene microsphere is prepared using following technique: 12kg locust bean gum, 42kg absolute ethyl alcohol and stirring 23min stir Mixing temperature is 82 DEG C, and it is that 36wt% hydrogen peroxide solution stirs 35min that 1.3kg concentration, which is added, uses concentration for 28wt% hydroxide Sodium solution regulation system pH value is 8.2-8.8, keeps the temperature 10h, room temperature is down to, using hydrochloric acid regulation system pH to neutrality, in nitrogen The lower 10kg styrene that is added of protection stirs 2.5h, and whipping temp is 99 DEG C, and 0.05kg tert-butyl hydroperoxide is added and stirs 5.5h, Cooling is filtered, and washing is dried to obtain polystyrene microsphere.
Embodiment 5
A kind of paper snack box preparation method of high-tensile, includes the following steps:
S1,120kg poplar wood pulp, 25kg Chinese scholartree wood pulp, 25kg linden slurry are used into pulper size degradation, mill is beaten to dense Degree be 6.5wt%, the slurry that beating degree is 33 ° of SR；
S2,90kg slurry, 3kg microcrystalline cellulose, 3kg gum arabic, 1.5kg hyaluronic acid are stirred into 15min, stirring Speed is 300r/min, obtains premix；
S3, by 180kg premix, 6kg polystyrene microsphere, 3kg sodium carbonate, 3kg stabilizer, 3kg lubricant, 3kg stone Powder is uniformly mixed, and molding obtains the paper snack box of high-tensile.
Polystyrene microsphere is prepared using following technique: 15kg locust bean gum, 40kg absolute ethyl alcohol and stirring 25min stir Mixing temperature is 80 DEG C, and it is that 34wt% hydrogen peroxide solution stirs 40min that 1.5kg concentration, which is added, uses concentration for 25wt% hydroxide Sodium solution regulation system pH value is 8.2-8.8, keeps the temperature 11h, room temperature is down to, using hydrochloric acid regulation system pH to neutrality, in nitrogen The lower addition 9kg styrene of protection stirs 3h, and whipping temp is 98 DEG C, and 0.06kg tert-butyl hydroperoxide is added and stirs 5h, cools down, Filtering, washing, is dried to obtain polystyrene microsphere.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (10)

1. a kind of paper snack box preparation method of high-tensile, which comprises the steps of:
S1, poplar wood pulp, Chinese scholartree wood pulp, linden slurry are used into pulper size degradation, mill is beaten to obtain slurry；
S2, slurry, microcrystalline cellulose, gum arabic, hyaluronic acid are stirred to get into premix；
S3, premix, polystyrene microsphere, sodium carbonate, stabilizer, lubricant, mountain flour are uniformly mixed, molding obtains high anti-tensile The paper snack box of intensity.
2. the paper snack box preparation method of high-tensile according to claim 1, which is characterized in that in S1, poplar wood The weight ratio that slurry, Chinese scholartree wood pulp, linden are starched is 100-140:20-30:20-30.
3. the paper snack box preparation method of high-tensile according to claim 1 or claim 2, which is characterized in that in S1, by poplar Trees slurry, Chinese scholartree wood pulp, linden slurry use pulper size degradation, mill be beaten to concentration be 5-8wt%, beating degree is 30-35 ° of SR Slurry.
4. the paper snack box preparation method of any one of -3 high-tensiles according to claim 1, which is characterized in that S2 In, slurry, microcrystalline cellulose, gum arabic, hyaluronic acid weight ratio be 80-100:2-4:2-4:1-2.
5. the paper snack box preparation method of any one of -4 high-tensiles according to claim 1, which is characterized in that S2 In, slurry, microcrystalline cellulose, gum arabic, hyaluronic acid are stirred into 10-20min, mixing speed 200-400r/min, Obtain premix.
6. the paper snack box preparation method of any one of -5 high-tensiles according to claim 1, which is characterized in that S3 In, premix, polystyrene microsphere, sodium carbonate, stabilizer, lubricant, mountain flour weight ratio be 160-200:4-8:2-4:2- 4:2-4:2-4.
7. the paper snack box preparation method of any one of -6 high-tensiles according to claim 1, which is characterized in that S3 In, polystyrene microsphere is prepared using following technique: by locust bean gum, absolute ethyl alcohol and stirring, hydrogen peroxide solution is added and stirs 30- 50min, regulation system pH value are 8.2-8.8, are kept the temperature, styrene is added in cooling, regulation system pH to neutrality under nitrogen protection Stirring, is added tert-butyl hydroperoxide stirring, cools down, filter, and washing is dried to obtain polystyrene microsphere.
8. the paper snack box preparation method of any one of -7 high-tensiles according to claim 1, which is characterized in that S3's In polystyrene microsphere preparation process, hydrogen peroxide solution concentration is 30-38wt%.
9. according to the paper snack box preparation method of the high-tensile of claim 7 or 8, which is characterized in that the polyphenyl of S3 In ethylene microspheres, locust bean gum, dehydrated alcohol, hydrogen peroxide solution, styrene, tert-butyl hydroperoxide weight ratio For 10-20:35-45:1-2:6-12:0.04-0.08.
10. according to the paper snack box preparation method of any one of the claim 7-9 high-tensile, which is characterized in that S3 In, polystyrene microsphere is prepared using following technique: by locust bean gum, absolute ethyl alcohol and stirring 20-30min, whipping temp 75- 85 DEG C, hydrogen peroxide solution is added and stirs 30-50min, uses the concentration to be for 20-30wt% sodium hydroxide solution regulation system pH value 8.2-8.8 keeps the temperature 8-14h, is down to room temperature, using hydrochloric acid regulation system pH to neutrality, styrene is added under nitrogen protection and stirs 2-4h is mixed, whipping temp is 96-100 DEG C, and tert-butyl hydroperoxide is added and stirs 4-6h, cools down, filters, and washing is dried to obtain Polystyrene microsphere.
CN201811007465.4A 2018-08-31 2018-08-31 A kind of paper snack box preparation method of high-tensile Pending CN109280403A (en)

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Publication number Priority date Publication date Assignee Title
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CN101200598A (en) * 2007-12-26 2008-06-18 额尔敦陶格套 Degradable snack box
CN102066663A (en) * 2008-06-17 2011-05-18 阿克佐诺贝尔股份有限公司 Cellulosic product
CN106046824A (en) * 2016-05-27 2016-10-26 赵平国 Plant fiber product and method for preparing same
CN106317923A (en) * 2016-08-15 2017-01-11 陈隽 Manufacturing method of green and environmentally friendly tableware
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CN101200598A (en) * 2007-12-26 2008-06-18 额尔敦陶格套 Degradable snack box
CN102066663A (en) * 2008-06-17 2011-05-18 阿克佐诺贝尔股份有限公司 Cellulosic product
CN106046824A (en) * 2016-05-27 2016-10-26 赵平国 Plant fiber product and method for preparing same
CN106317923A (en) * 2016-08-15 2017-01-11 陈隽 Manufacturing method of green and environmentally friendly tableware
CN108359260A (en) * 2018-03-12 2018-08-03 康馨（海门）环保科技发展有限公司 A kind of lunch box for environment protection formula

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Application publication date: 20190129