CN108824071A - A kind of preparation method of bamboo fibre dixie cup - Google Patents
A kind of preparation method of bamboo fibre dixie cup Download PDFInfo
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- CN108824071A CN108824071A CN201810571675.XA CN201810571675A CN108824071A CN 108824071 A CN108824071 A CN 108824071A CN 201810571675 A CN201810571675 A CN 201810571675A CN 108824071 A CN108824071 A CN 108824071A
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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
- D21H15/00—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution
- D21H15/02—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution characterised by configuration
- D21H15/10—Composite fibres
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/10—Organic non-cellulose fibres
- D21H13/12—Organic non-cellulose fibres from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H13/14—Polyalkenes, e.g. polystyrene polyethylene
-
- 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
- D21H17/22—Proteins
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/28—Starch
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/31—Gums
- D21H17/32—Guar or other polygalactomannan gum
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
-
- 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
-
- 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
- D21H21/18—Reinforcing agents
- D21H21/20—Wet strength agents
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of preparation methods of bamboo fibre dixie cup, a kind of bamboo fibre dixie cup and its production technology, its primary structure be include a kind of cup body containing doughnut, it is characterized in that, the cup body includes outer layer, the coat on internal layer and the hollow layer and internal layer that are arranged between outer layer and internal layer, and the outer layer and internal layer material include the component of following parts by weight：The bamboo fibre of bleaching, Larix Olgensis Fiber, modified starch, chitosan, talcum powder, dispersing agent, guar gum, glycerol ester hydrolase, wet strength agent；The hollow layer material includes the component of following parts by weight：Hollow polypropylene fluff pulp, Larix Olgensis Fiber, chitosan, talcum powder, dispersing agent.By above-mentioned setting, outer layer and internal layer are produced using bamboo fibre, and bamboo fibre slurry both has the feature of environmental protection, have the characteristics of excellent antibacterial, antibacterial, free from extraneous odour, and doughnut layer can provide it is light, it is heat-insulated, effect of keeping warm, while while using as hot drink dixie cup and cold drink cup, is safer.
Description
Technical field
The invention belongs to dixie cup fields, and in particular to a kind of preparation method of bamboo fibre dixie cup.
Background technique
Disposable paper cup is seen everywhere in life, it throwaways, health and conveniently.But it is related it whether contain carcinogenic substance
Matter, if hot drink can be contained, if the safety dispute of energy Reusability also emerges one after another.The disposable paper cup sold in the market is substantially
Divide three kinds：One is what is made of art post paperboard, it is mainly used to fill the dry food such as puffed rice, fried chicken, cannot be filled with water；Second is to apply
Paraffin paper cup, inner wall have one layer of paraffin to carry out waterproof, can be used to contain frozen, soda etc., but contain temperature no more than 40
Degree Celsius；Furthermore it is exactly " paper cup ", is exactly one layer of paper of cup outer wall, inner wall has applied layer of polyethylene or polypropylene leaching membrane paper, cold
Drink, hot drink all can be used.However, the production and application of dixie cup can but consume a large amount of non-renewable timber resources.Bamboo class is for many years
Raw grass tree plant, but its form and content of cellulose and timber are close, can become a useful person within general 1 to two year, and primary plantation can be permanent
Felling.Belong to renewable resource." wood substituted by bamboo " is the industrial policy of national many years, and bamboo cellulose product is by domestic abundant
Moso bamboo and miscellaneous raw bamboo resource, product cost is low, and added value is high, has a wide range of application, import dissolving pulp will necessarily be replaced after industry
And become the market mainstream in future, so the preparation for needing to develop a kind of new material replaces original chemical wood pulp dixie cup or modeling
Material cup improves the feature of environmental protection of dixie cup.
Summary of the invention
The purpose of the present invention is being directed to existing problem, a kind of preparation method of bamboo fibre dixie cup is provided.
A kind of bamboo fibre dixie cup, cup body include outer layer, internal layer and the hollow layer being arranged between outer layer and internal layer and painting
The coat of outer layer is overlayed on, the outer layer and inside material include the component of following parts by weight：The bamboo of 25 ~ 40 parts of bleachings is fine
Dimension, 1 ~ 5 part of Larix Olgensis Fiber, 5 ~ 15 portions of modified starches, 1 ~ 5 part of chitosan, 1 ~ 5 part of talcum powder, 1 ~ 2 part of dispersing agent, 1 ~ 2 portion of melon
That bean gum, 1 ~ 2 part of glycerol ester hydrolase, 1 ~ 2 part of wet strength agent；The hollow layer material includes the group of following parts by weight
Point：10 ~ 40 parts of hollow polypropylene staple fibers, 10 ~ 20 parts of Larix Olgensis Fibers, 1 ~ 5 part of chitosan, 1 ~ 5 part of talcum powder, 1 ~ 2 part
Dispersing agent；The coat material includes the component of following parts by weight：25 ~ 10 parts of EVOH, 3 ~ 5 parts of polyglycolic acids, 1 ~ 5 part
Chitosan, 1 ~ 5 part of talcum powder, 1 ~ 2 part of dispersing agent.
A kind of preparation method of bamboo fibre dixie cup, includes following preparation step：
Step 1：Mashing
Outer layer slurry and the preparation of internal layer slurry：
The bamboo fibre of bleaching, Larix Olgensis Fiber respectively enter respective hydrabrusher size degradation through track conveyor, after be pumped into and unload
Kiln basin, then dust removal sand impurity is removed through HC Cleaner；Except the slurry after impurity enters pulping process, beaten using double plate mill
Slurry, the slurry after mashing enter respective reserve pit, flow apperach are sent into after with slurry；Beating process requirement：It is dense into starching
Degree 3.8% ~ 4.0%, into slurry 0.15 ~ 0.20MPa of pressure；
2. 1 ~ 5 part of talcum powder is added in the beater in 1. according to parts by weight to continue after mixing according to parts by weight
5 ~ 15 portions of modified starches of addition, 1 ~ 5 part of chitosan, 1 ~ 2 part of dispersing agent, 1 ~ 2 part of guar gum, 1 ~ 2 glycerol ester hydrolase, 1 ~ 2
Part wet strength agent, slurry are uniformly mixed；
The preparation of hollow layer slurry：
Weigh 10 ~ 40 parts of hollow polypropylene staple fibers according to parts by weight, 10 ~ 20 parts of Larix Olgensis Fibers, 1 ~ 2 part of dispersing agent,
Mix well hollow core staple fibers with Larix Olgensis Fiber；
2. 1 ~ 5 part of chitosan is continuously added after mixing in the talcum powder that 1 ~ 5 part is added into the fibre blend after discongesting,
Mashing is uniform；
Step 2：The preparation of body paper
Outer layer slurry, internal layer slurry and hollow layer slurry are added to paper making is carried out in three hoppers of paper machine, formed
Body paper；
Step 3：The preparation machine-shaping of dixie cup
1. carrying out lamination processing to former recto forms coat using EVOH, polyglycolic acid curtain coating paint-on technique.Work as body paper
When coating lamination, the polymeric membrane of water barrier property is formed on body paper surface, is then heat-treated in oven drying, to improve paper
The stiffness tightness of page, tearability and interfacial bonding strength, and greatly improve the waterproofness of page；
2. being die cut, the body paper after lamination is cut into the same fan-shaped scraps of paper of shape size using cut-off knife；
Molding forms paper tube, bottom of a cup molding, paper tube shape adjustment, dixie cup pressure through ultrasonic bonds using paper cup molding
It is unloaded under flower, rim of a cup crimping, finished product, quality testing, finished product are collected to form bamboo fibre dixie cup.
Further, hollow polypropylene staple fiber is polypropene staple, passes through hollow cavity die head, melt-processed system
?.
Further, the modified starch is, by starch suspension in phosphate solution, stir the mixture for 10 ~
30min, filtering, filter cake using being air-dried or being dried at 40 ~ 45 DEG C to aqueous 5% ~ 10%, then heating reaction to get.
Further, the dispersing agent of the outer layer and internal layer and hollow layer selects polyethylene glycol oxide and hydroxylmethyl cellulose
One or both of element, Sodium Polyacrylate, diffusion agent N.
Further, the wet strength agent is polyamide-epoxy chloropropane resin.
Beneficial effects of the present invention：
A kind of preparation method of bamboo fibre dixie cup provided by the invention, the bamboo fibre dixie cup cup body use bamboo fibre for structure
Raw material, are aided with polypropylene hollow fiber, form hollow structure, with polyvinyl alcohol, polyglycolic acid it is degradable, good group of barrier property
Be divided into lamination, formed it is a kind of it is degradable, pollution-free, thermal insulation property is good, antibacterial, light dixie cup.Wherein, institute in the market so far
The wet strength agent stated generates firm bonding action to fiber and fiber, all should user can within the scope of specific pH value or pH
Effectively, use condition is limited.Polyamide-epoxy chloropropane resin（PAE）It is a kind cation shape polyamines quasi polymer.Humidification
Potent fruit is unrelated with pH value, and retention is high, there is white toner effect, has certain alkali resistance.Chitosan is linear high score
Sub- polymer, again there are many free amine groups on strand, these stronger functional groups of activity can be substantial access to fiber surface, lead to
Cross the negative electrical charge on fiber with cellulose can produce ionic bond in conjunction with and fiber on non-ionic surface can produce hydrogen bond again, together
When can build bridge between the gaps such as fiber, filler, and form cohesion, the paper strength to be formed made to have apparent enhancing.This shell is poly-
Sugar can also be attached to paper surface with good film-forming state, so that surface strength of paper significantly improves.By starch and solvable
Acid phosphate reaction is prepared into starch monophosphate, belongs to anion-modified starch.Anion-modified starch and chitosan are as double
Auxiliary agent shares, and can effectively improve the physical strength and filler retention of paper.Intensity improves mainly since double auxiliary agents increase
Interfibrous bonded area and bond strength.Amino in chitosan molecule chain forms firmly with the carbonyl of fiber surface
Ionic bond combines.Chitosan, fiber, modified starch, wadding caused by the charging neutrality between filler be poly- and the frame between them
Bridge effect, improves the retention of filler.Fully penetrated with starch, mixture homogeneity is good.Shell is added in bleaching bamboo fibre slurry
Glycan and PAE can improve the dry of paper, wet strength simultaneously.
EVOH is the random copolymer of two kinds of monomers of ethylene and vinyl alcohol, since molecule stronger between adjacent hydroxyl groups is to effect
Power so that EVOH in general it will form partially crystallizable, in addition random molecule chain part will form the glass of non-knot product
Glass state.EVOH has unique microstructure, and there are two types of monocline structure cells for crystal region tool, and the order with height, there are also glass
The amorphous region of glass state.This unique microstructure, which makes EVOH not only, to be had flexibility but also has high barrier property.
EVOH is to the adsorptivity very little of aromatic odor particularly suitable as soup class or the packaging material of fruit juice based food；This
Outside, EVOH has good oil resistivity and organic solvent resistance, is very suitable for edible oil oiliness food (chrisps), mine
The packaging of object oil, organic solvent, pesticide etc..It is attached to paper layer surface using EVOH, polyglycolic acid as coating, forms barrier layer,
The oxidation deterioration of food can be prevented to belong to environmentally friendly machine.EVOH has the barrier property to peculiar smell concurrently, therefore there are also protect to food
Fragrant and fresh-keeping effect.Bamboo fibre dixie cup of the invention, can be used for the packaging of the food such as a glass face, cake, ice cream, dairy products.
The present invention has the following advantages that compared with prior art：
Use bamboo fibre slurry as the main component of production cupstock, bamboo fibre slurry both has the feature of environmental protection, and due to bamboo fibre
The bamboo a kind of jade contained in itself is tieed up, has the characteristics that excellent antibacterial, antibacterial, free from extraneous odour, then using safer.The prior art is mostly
By the adjusting dixie cup design structure of macroscopic view, hollow layer is formed, but increases dixie cup wall thickness, dixie cup is heavy.The short fibre of hollow polypropylene
The hollow layer of dimension blending and modifying can effectively mitigate cup body weight, play the work of heat-insulation and heat-preservation under the premise of not increasing wall thickness
With.The material selection EVOH and polyglycolic acid of lamination, can reduce the usage amount of non-degradable material, and increase dixie cup
The feature of environmental protection.
Specific embodiment
Illustrate the present invention with specific embodiment below, but is not limitation of the present invention.
Embodiment 1
A kind of bamboo fibre dixie cup, including cup body, cup body include outer layer, internal layer and the hollow layer being arranged between outer layer and internal layer
With the coat for being coated in outer layer, the outer layer and inside material include the component of following parts by weight：The bamboo of 40 parts of bleachings
Fiber, 5 parts of Larix Olgensis Fibers, 15 portions of modified starches, 5 parts of chitosans, 5 parts of talcum powder, 2 parts of dispersing agents, 2 parts of guar gums, 2 parts
Glycerol ester hydrolase, 2 parts of wet strength agents；The hollow layer material includes the component of following parts by weight：In 40 parts of polypropylene
Hollow short fiber, 20 parts of Larix Olgensis Fibers, 5 parts of chitosans, 5 parts of talcum powder, 2 parts of dispersing agents；The coat material includes
The component of following parts by weight：10 parts of EVOH, 5 parts of polyglycolic acids, 5 parts of chitosans, 5 parts of talcum powder, 2 parts of dispersing agents.
A kind of preparation method of bamboo fibre dixie cup, includes following preparation step：
Step 1：Mashing
Outer layer slurry and the preparation of internal layer slurry：
The bamboo fibre of bleaching, Larix Olgensis Fiber respectively enter respective hydrabrusher size degradation through track conveyor, after be pumped into and unload
Kiln basin, then dust removal sand impurity is removed through HC Cleaner；Except the slurry after impurity enters pulping process, beaten using double plate mill
Slurry, the slurry after mashing enter respective reserve pit, flow apperach are sent into after with slurry；Beating process requirement：It is dense into starching
Degree 4.0%, into slurry pressure 0.20MPa.
2. 5 parts of talcum powder is added in the beater in 1. according to parts by weight to continue after mixing according to parts by weight
Number 15 portions of modified starches of addition, 5 parts of chitosans, 2 parts of dispersing agents, 2 parts of guar gums, 2 glycerol ester hydrolases, 2 parts of wet strength agents,
Slurry is uniformly mixed；
The preparation of hollow layer slurry：
1. weighing 40 parts of hollow polypropylene staple fibers according to parts by weight, 20 parts of Larix Olgensis Fibers, 2 parts of dispersing agents make hollow short
Fiber is mixed well with Larix Olgensis Fiber；
2. continuously adding 5 parts of chitosans after mixing in the talcum powder that 5 parts are added into the fibre blend after discongesting, it is beaten
Uniformly；
Step 2：The preparation of body paper
Outer layer slurry, internal layer slurry and hollow layer slurry are added to paper making is carried out in three hoppers of paper machine, formed
Body paper；
Step 3：The preparation machine-shaping of dixie cup
2. carrying out lamination processing to former recto forms coat using EVOH, polyglycolic acid curtain coating paint-on technique.Work as body paper
When coating lamination, the polymeric membrane of water barrier property is formed on body paper surface, is then heat-treated in oven drying, to improve paper
The stiffness tightness of page, tearability and interfacial bonding strength, and greatly improve the waterproofness of page；
It is die cut, the body paper after lamination is cut into the same fan-shaped scraps of paper of shape size using cut-off knife；
Molding forms paper tube, bottom of a cup molding, paper tube shape adjustment, dixie cup pressure through ultrasonic bonds using paper cup molding
It is unloaded under flower, rim of a cup crimping, finished product, quality testing, finished product are collected to form bamboo fibre dixie cup.
Further, hollow polypropylene staple fiber is polypropene staple, passes through hollow cavity die head, melt-processed system
?.
Further, the modified starch is by starch suspension in phosphate solution, to stir the mixture for 30min, mistake
Filter, filter cake using being air-dried or being dried at 45 DEG C to aqueous 10%, then heating reaction to get.
Further, the dispersing agent of the outer layer and internal layer and hollow layer selects polyethylene glycol oxide and hydroxylmethyl cellulose
One or both of element, Sodium Polyacrylate, diffusion agent N.
Further, the wet strength agent is polyamide-epoxy chloropropane resin.
Embodiment 2
A kind of bamboo fibre dixie cup, including cup body include outer layer, internal layer and the hollow layer being arranged between outer layer and internal layer and painting
The coat of outer layer is overlayed on, the outer layer and inside material include the component of following parts by weight：The bamboo fibre of 40 parts of bleachings,
5 parts of Larix Olgensis Fibers, 15 portions of modified starches, 5 parts of chitosans, 5 parts of talcum powder, 2 parts of dispersing agents, 2 parts of guar gums, 2 parts of glyceride
2 parts of wet strength agents of hydrolase；The hollow layer material includes the component of following parts by weight：30 parts of short fibres of hollow polypropylene
Dimension, 20 parts of Larix Olgensis Fibers, 5 parts 5 parts of chitosan of talcum powder, 2 parts of dispersing agents；The coat material includes following weight
The component of number：10 parts of EVOH, 5 parts of polyglycolic acids, 5 parts of chitosans, 2 parts of talcum powder, 2 parts of dispersing agents.
A kind of preparation method of bamboo fibre dixie cup, includes following preparation step：
Step 1：Mashing
Outer layer slurry and the preparation of internal layer slurry：
1. the bamboo fibre bleached, Larix Olgensis Fiber respectively enters respective hydrabrusher size degradation through track conveyor, after be pumped into and unload
Kiln basin, then dust removal sand impurity is removed through HC Cleaner；Except the slurry after impurity enters pulping process, beaten using double plate mill
Slurry, the slurry after mashing enter respective reserve pit, flow apperach are sent into after with slurry；Beating process requirement：It is dense into starching
Degree 4.0%, into slurry pressure 0.20MPa；
2. the talcum powder for being added 5 parts in the beater in 1. according to parts by weight continue after mixing according to parts by weight plus
Enter 15 portions of modified starches, 5 parts of chitosans, 2 parts of dispersing agents, 2 parts of guar gums, 2 glycerol ester hydrolases, 2 parts of wet strength agents, slurry
It is uniformly mixed；
The preparation of hollow layer slurry：
2. weighing 40 parts of hollow polypropylene staple fibers according to parts by weight, 20 parts of Larix Olgensis Fibers, 2 parts of dispersing agents make hollow short
Fiber is mixed well with Larix Olgensis Fiber；
3. continuously adding 5 parts of chitosans after mixing in the talcum powder that 5 parts are added into the fibre blend after discongesting, it is beaten
Uniformly；
Step 2：The preparation of body paper
Outer layer slurry, internal layer slurry and hollow layer slurry are added to paper making is carried out in three hoppers of paper machine, formed
Body paper；
Step 3：The preparation machine-shaping of dixie cup
1. carrying out lamination processing to former recto forms coat using EVOH, polyglycolic acid curtain coating paint-on technique.Work as body paper
When coating lamination, the polymeric membrane of water barrier property is formed on body paper surface, is then heat-treated in oven drying, to improve paper
The stiffness tightness of page, tearability and interfacial bonding strength, and greatly improve the waterproofness of page；The technique of interlayer spray requires such as
Under, modified starch concentration 2.0%；Sprinkler pressure 0.4MPar, spray flow 3.0g/cm3；
2. being die cut, the body paper after lamination is cut into the same fan-shaped scraps of paper of shape size using cut-off knife；
3. forming, be embossed using paper cup molding through ultrasonic bonds formation paper tube, bottom of a cup molding, paper tube shape adjustment, dixie cup,
It is unloaded under rim of a cup crimping, finished product, quality testing, finished product are collected to form bamboo fibre dixie cup.
Further, hollow polypropylene staple fiber is polypropene staple, passes through hollow cavity die head, melt-processed system
?.
Further, the modified starch is by starch suspension in phosphate solution, to stir the mixture for 30min, mistake
Filter, filter cake using being air-dried or being dried at 40 DEG C to aqueous 10%, then heating reaction to get.
Further, the dispersing agent of the outer layer and internal layer and hollow layer selects polyethylene glycol oxide and hydroxylmethyl cellulose
One or both of element, Sodium Polyacrylate, diffusion agent N.
Further, the wet strength agent is polyamide-epoxy chloropropane resin.
Comparative example 1
This comparative example compared with Example 2, weighs in step in raw material, saves modified starch component, method and step in addition to this
It is all the same.
Comparative example 2
This comparative example compared with Example 2, weighs in step in raw material, saves polyamide-epoxy chloropropane resin ingredient, removes this
Outer method and step is all the same.
The performance of dixie cup prepared by each embodiment and comparative example of table 1
Note：It is detected referring to performance of the GB/T27590-2011 and QB/T27590-2011 to dixie cup and body paper
Bamboo fibre dixie cup thermal insulation property made from treatment process of the present invention, stiffness have obtained effectively changing it can be seen from upper table 1
It is kind, while the control of water vapor permeability, smoothness is preferably, there is good barrier property.And outer layer and internal layer are raw using bamboo fibre
Produce, bamboo fibre slurry both has a feature of environmental protection, and due to bamboo a kind of jade that bamboo fibre itself contains, have excellent antibacterial, it is antibacterial, be no different
The characteristics of taste, and the doughnut of hollow layer can also have it is light, it is heat-insulated, keep warm simultaneously as hot drink dixie cup and cold drink paper
It is safer when use.Overall characteristic is strong, great popularization.
Claims (6)
1. a kind of preparation method of bamboo fibre dixie cup, which is characterized in that the bamboo fibre dixie cup cup body include outer layer, internal layer and
Hollow layer between outer layer and internal layer and the coat coated in outer layer are set, and the outer layer and inside material include as follows
The component of parts by weight：The bamboo fibre of 25 ~ 40 parts of bleachings, 1 ~ 5 part of Larix Olgensis Fiber, 5 ~ 15 portions of modified starches, 1 ~ 5 part of shell are poly-
Sugar, 1 ~ 5 part of talcum powder, 1 ~ 2 part of dispersing agent, 1 ~ 2 part of guar gum, 1 ~ 2 part of glycerol ester hydrolase, 1 ~ 2 part of wet strength agent；It is described
Hollow layer material includes the component of following parts by weight：10 ~ 40 parts of hollow polypropylene staple fibers, 10 ~ 20 parts of Larix Olgensis Fibers,
1 ~ 5 part of chitosan, 1 ~ 5 part of talcum powder, 1 ~ 2 part of dispersing agent；The coat material includes the component of following parts by weight：
25 ~ 10 parts of EVOH, 3 ~ 5 parts of polyglycolic acids, 1 ~ 5 part of chitosan, 1 ~ 5 part of talcum powder, 1 ~ 2 part of dispersing agent.
2. a kind of preparation method of bamboo fibre dixie cup according to claim 1, which is characterized in that include following preparation
Step：
Step 1：Mashing
Outer layer slurry and the preparation of internal layer slurry：
The bamboo fibre of bleaching, Larix Olgensis Fiber respectively enter respective hydrabrusher size degradation through track conveyor, after be pumped into and unload
Kiln basin, then dust removal sand impurity is removed through HC Cleaner；Except the slurry after impurity enters pulping process, beaten using double plate mill
Slurry, the slurry after mashing enter respective reserve pit, flow apperach are sent into after with slurry；Beating process requirement：It is dense into starching
Degree 3.8% ~ 4.0%, into slurry 0.15 ~ 0.20MPa of pressure；
2. 1 ~ 5 part of talcum powder is added in the beater in 1. according to parts by weight to continue after mixing according to parts by weight
5 ~ 15 portions of modified starches of addition, 1 ~ 5 part of chitosan, 1 ~ 2 part of dispersing agent, 1 ~ 2 part of guar gum, 1 ~ 2 glycerol ester hydrolase, 1 ~ 2
Part wet strength agent, slurry are uniformly mixed；
The preparation of hollow layer slurry：
1. 10 ~ 40 parts of hollow polypropylene staple fibers are weighed according to parts by weight, 10 ~ 20 parts of Larix Olgensis Fibers, 1 ~ 2 part of dispersing agent,
Mix well hollow core staple fibers with Larix Olgensis Fiber；
2. 1 ~ 5 part of chitosan is continuously added after mixing in the talcum powder that 1 ~ 5 part is added into the fibre blend after discongesting,
Mashing is uniform；
Step 2：The preparation of body paper
Outer layer slurry, internal layer slurry and hollow layer slurry are added to paper making is carried out in three hoppers of paper machine, formed
Body paper；
Step 3：The preparation machine-shaping of dixie cup
1. carrying out lamination processing to former recto forms coat using EVOH, polyglycolic acid curtain coating paint-on technique.Work as body paper
When coating lamination, the polymeric membrane of water barrier property is formed on body paper surface, is then heat-treated in oven drying, to improve paper
The stiffness tightness of page, tearability and interfacial bonding strength, and greatly improve the waterproofness of page；
2. being die cut, the body paper after lamination is cut into the same fan-shaped scraps of paper of shape size using cut-off knife；
3. forming, be embossed using paper cup molding through ultrasonic bonds formation paper tube, bottom of a cup molding, paper tube shape adjustment, dixie cup,
It is unloaded under rim of a cup crimping, finished product, quality testing, finished product are collected to form bamboo fibre dixie cup.
3. a kind of preparation method of bamboo fibre dixie cup described in claim 1, which is characterized in that hollow polypropylene staple fiber is poly-
Propylene staple fiber, by hollow cavity die head, melt-processed is made.
4. a kind of preparation method of bamboo fibre dixie cup according to claim 1, which is characterized in that the modified starch is,
By starch suspension in phosphate solution, 10 ~ 30min is stirred the mixture for, is filtered, filter cake is used and is air-dried or 40 ~ 45
Dried at DEG C to aqueous 5% ~ 10%, then heating reaction to get.
5. a kind of preparation method of bamboo fibre dixie cup according to claim 1, which is characterized in that the outer layer and internal layer and
The dispersing agent of hollow layer selects one of polyethylene glycol oxide and hydroxymethyl cellulose, Sodium Polyacrylate, diffusion agent N or two
Kind.
6. a kind of preparation method of bamboo fibre dixie cup according to claim 1, which is characterized in that the wet strength agent is poly-
Amide-epichlorohydrin resin.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110565441A (en) * | 2019-09-09 | 2019-12-13 | 杭州海鑫纸业有限公司 | Palm paper and manufacturing process thereof |
| CN110714363A (en) * | 2019-10-30 | 2020-01-21 | 四川省犍为凤生纸业有限责任公司 | Paper straw and preparation method thereof |
| CN110877779A (en) * | 2019-11-16 | 2020-03-13 | 上海新晓环保科技有限公司 | Novel noodle cup and manufacturing method thereof |
| CN110922776A (en) * | 2019-11-16 | 2020-03-27 | 上海新晓环保科技有限公司 | Paper cup made of new material and preparation method thereof |
| CN111576090A (en) * | 2020-05-14 | 2020-08-25 | 武汉鑫永安纸塑有限公司 | Degradable paper cup and preparation method thereof |
| CN112389014A (en) * | 2020-11-02 | 2021-02-23 | 安徽省万美纸塑有限公司 | Disposable double-layer threaded paper cup |
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|---|---|---|---|---|
| CN110565441A (en) * | 2019-09-09 | 2019-12-13 | 杭州海鑫纸业有限公司 | Palm paper and manufacturing process thereof |
| CN110714363A (en) * | 2019-10-30 | 2020-01-21 | 四川省犍为凤生纸业有限责任公司 | Paper straw and preparation method thereof |
| CN110714363B (en) * | 2019-10-30 | 2022-05-31 | 四川凤生纸业科技股份有限公司 | Paper straw and preparation method thereof |
| CN110877779A (en) * | 2019-11-16 | 2020-03-13 | 上海新晓环保科技有限公司 | Novel noodle cup and manufacturing method thereof |
| CN110922776A (en) * | 2019-11-16 | 2020-03-27 | 上海新晓环保科技有限公司 | Paper cup made of new material and preparation method thereof |
| CN110922776B (en) * | 2019-11-16 | 2022-02-18 | 上海新晓环保科技有限公司 | Paper cup made of new material and preparation method thereof |
| CN111576090A (en) * | 2020-05-14 | 2020-08-25 | 武汉鑫永安纸塑有限公司 | Degradable paper cup and preparation method thereof |
| CN112389014A (en) * | 2020-11-02 | 2021-02-23 | 安徽省万美纸塑有限公司 | Disposable double-layer threaded paper cup |
| CN112406173A (en) * | 2020-11-02 | 2021-02-26 | 安徽省万美纸塑有限公司 | Preparation process of disposable paper cup |
| CN114031947A (en) * | 2021-12-02 | 2022-02-11 | 武汉市博源纸塑彩印制品有限公司 | Degradable polylactic acid paper cup and preparation method thereof |
| CN115821632A (en) * | 2022-12-08 | 2023-03-21 | 青阳县凯德超微钙业有限公司 | High-efficiency composite inorganic mineral fiber reinforcing agent |
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