CN106192600B - The preparation method of composite kraft paper - Google Patents
The preparation method of composite kraft paper Download PDFInfo
- Publication number
- CN106192600B CN106192600B CN201610520532.7A CN201610520532A CN106192600B CN 106192600 B CN106192600 B CN 106192600B CN 201610520532 A CN201610520532 A CN 201610520532A CN 106192600 B CN106192600 B CN 106192600B
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- kraft paper
- composite kraft
- sizing agent
- dosage
- preparation
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- 239000002655 kraft paper Substances 0.000 title claims abstract description 97
- 239000002131 composite material Substances 0.000 title claims abstract description 91
- 238000002360 preparation method Methods 0.000 title claims abstract description 38
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 65
- 238000004513 sizing Methods 0.000 claims abstract description 60
- 239000010410 layer Substances 0.000 claims abstract description 56
- 239000002344 surface layer Substances 0.000 claims abstract description 43
- 239000000123 paper Substances 0.000 claims abstract description 38
- 239000002002 slurry Substances 0.000 claims abstract description 33
- 239000011122 softwood Substances 0.000 claims abstract description 26
- 150000001875 compounds Chemical class 0.000 claims abstract description 14
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 13
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 13
- 241001330002 Bambuseae Species 0.000 claims abstract description 13
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 13
- 239000011425 bamboo Substances 0.000 claims abstract description 13
- 239000011121 hardwood Substances 0.000 claims abstract description 13
- 239000002023 wood Substances 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 238000001035 drying Methods 0.000 claims abstract description 11
- 239000003292 glue Substances 0.000 claims description 37
- 241000220317 Rosa Species 0.000 claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 18
- 229920001353 Dextrin Polymers 0.000 claims description 16
- 239000004375 Dextrin Substances 0.000 claims description 16
- 235000019425 dextrin Nutrition 0.000 claims description 16
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 15
- 238000005507 spraying Methods 0.000 claims description 14
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 13
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 13
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 13
- 241000206575 Chondrus crispus Species 0.000 claims description 12
- 238000007605 air drying Methods 0.000 claims description 12
- 230000015556 catabolic process Effects 0.000 claims description 12
- 238000006731 degradation reaction Methods 0.000 claims description 12
- 238000005188 flotation Methods 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 12
- 238000004537 pulping Methods 0.000 claims description 12
- 238000000746 purification Methods 0.000 claims description 12
- 238000012216 screening Methods 0.000 claims description 12
- 238000007493 shaping process Methods 0.000 claims description 12
- 238000000605 extraction Methods 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 10
- 229920000858 Cyclodextrin Polymers 0.000 claims description 9
- HFHDHCJBZVLPGP-UHFFFAOYSA-N schardinger α-dextrin Chemical compound O1C(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(O)C2O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC2C(O)C(O)C1OC2CO HFHDHCJBZVLPGP-UHFFFAOYSA-N 0.000 claims description 9
- -1 Chloroalkyl Acrylates Chemical class 0.000 claims description 7
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 6
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 6
- 238000005065 mining Methods 0.000 claims description 6
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 6
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 claims description 6
- 239000000706 filtrate Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 238000010992 reflux Methods 0.000 claims description 5
- 238000001694 spray drying Methods 0.000 claims description 5
- 239000012153 distilled water Substances 0.000 claims description 4
- 239000008132 rose water Substances 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 239000003205 fragrance Substances 0.000 abstract description 8
- 230000007613 environmental effect Effects 0.000 abstract description 6
- 238000004806 packaging method and process Methods 0.000 abstract description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 229910052708 sodium Inorganic materials 0.000 description 6
- 239000011734 sodium Substances 0.000 description 6
- 238000004026 adhesive bonding Methods 0.000 description 5
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 230000001953 sensory effect Effects 0.000 description 2
- 244000260524 Chrysanthemum balsamita Species 0.000 description 1
- 235000005633 Chrysanthemum balsamita Nutrition 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 240000003824 Gypsophila paniculata Species 0.000 description 1
- 244000178870 Lavandula angustifolia Species 0.000 description 1
- 235000010663 Lavandula angustifolia Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000012792 core layer Substances 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000001102 lavandula vera Substances 0.000 description 1
- 235000018219 lavender Nutrition 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 238000005360 mashing Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003094 microcapsule Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000005031 sulfite paper Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/30—Multi-ply
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B29/005—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to another layer of paper or cardboard layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/16—Drying; Softening; Cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
-
- 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
- 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
-
- 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
- D21H21/16—Sizing or water-repelling agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/26—All layers being made of paper or paperboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/12—Coating on the layer surface on paper layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2317/00—Animal or vegetable based
- B32B2317/12—Paper, e.g. cardboard
- B32B2317/122—Kraft paper
Landscapes
- Paper (AREA)
Abstract
The invention discloses a kind of composite kraft paper, and it is formed by bottom, sandwich layer, surface layer and decorative layer are compound successively, wherein, the bottom, it is made up of secondary stock, bamboo and wood slurry and softwood pulp;The sandwich layer, it is made up of the first sizing agent and essence;The surface layer, it is made up of secondary stock, softwood pulp and hardwood pulp;The decorative layer, it is made up of the second sizing agent and dried flower;Prepared by a kind of preparation method of composite kraft paper, including bottom, prepared by surface layer, prepared by sandwich layer, and bottom, sandwich layer and surface layer are compound, dry, and decorative layer is compound and drying and other steps.The outer surface of the composite kraft paper of the present invention is decorated using dried flower, and outward appearance is unique, attractive in appearance, and carries the pleasant fragrance consistent with dried flower odor type, gives people the experience of nature, health, suitable for making all kinds of high-grade gift bags and packaging bag;The preparation method of the composite kraft paper of the present invention is simple, is produced using traditional brown paper production line, and secondary stock dosage is big, environmental protection.
Description
Technical field
The present invention relates to brown paper preparation field.A kind of it is more particularly related to preparation side of composite kraft paper
Method.
Background technology
Brown paper is used as packaging material, and intensity is very high, and generally in yellowish-brown, half kraft pulp for floating or floating entirely is in light brown
Color, cream color or white, quantitative 80-120g/m2, tearing toughness, rupture work(and resistance to vibration are very high, mostly roll web,
There is sheet paper, typically use kp softwood pulp as raw material, through mashing, manufacture paper with pulp and form on fourdrinier machine, can be used as water
Mud bag paper, M.G. pure sulphite paper, glue envelope paper dress, bituminized paper, cable protective paper, insulating paper etc..
With the proposition of plastic limit and the reinforcement of people's environmental consciousness, NK natural kraft is because environmental protection, bearing capacity are strong, normal quilt
For making kraft paper bag, and dosage rises year by year, but the decoration of existing kraft paper bag is to be printed on its surface using ink
Map brushing case or mark, it is not novel enough, unique, and during use, easily cause ink and come off or permeate, pollute packing content
Thing, in addition, ink printing can also make the smell of residual ink on kraft paper bag, give people not pleasant sensory experience.
The content of the invention
It is an object of the invention to solve at least the above, and provide the advantages of at least will be described later.
It is a still further object of the present invention to provide a kind of preparation method of composite kraft paper, the outer surface of the composite kraft paper
Decorated using dried flower, outward appearance is unique, attractive in appearance, and carries the pleasant fragrance consistent with dried flower odor type, gives people nature, health
Experience, suitable for making all kinds of high-grade gift bags and packaging bag, the preparation method of the composite kraft paper is simple, using tradition
Brown paper production line is produced, and secondary stock dosage is big, environmental protection.
In order to realize according to object of the present invention and further advantage, there is provided a kind of composite kraft paper, by bottom, core
Layer, surface layer and decorative layer compound composition successively, wherein,
The bottom, it is by secondary stock, bamboo and wood slurry and softwood pulp by weight 5:2:1 is mixed;
The sandwich layer, it is made up of the first sizing agent and essence, and first sizing agent is by polyvinyl alcohol and dextrin by weight
Measure ratio 2:3 are made, and the dosage of first sizing agent is 0.5-2g/m2, the essence, it is microscapsule powder essence, and it is used
Measure as 0.01-0.05g/m2;
The surface layer, it is by secondary stock, softwood pulp and hardwood pulp by weight 2:1:1 is mixed;
The decorative layer, it is made up of the second sizing agent and dried flower, and second sizing agent is Styrene And Chloroalkyl Acrylates gluing
Agent, its dosage are 2-3g/m2, the dried flower, it is that fresh flower is made through microwave drying and heated-air drying, and its dosage is 10-50
Piece/m2。
The odor type of heretofore described essence is consistent with the odor type of the dried flower, and the dried flower can be rose, Kang Nai
One or more in the fresh flower species such as fragrant, babysbreath, daisy, plum blossom and lavender, the dried flower can only have flower, also may be used
To be the stem and leaf of flower and flower lower end, the stem or leaf of plant can also be.
Preferably, described composite kraft paper, the essence are flavoring rose essence, and it is by fresh rose and distillation
Water presses 2:1 ratio is added in vacuum back-flow extraction equipment, the refluxing extraction 4-6h at 50-55 DEG C, filtering, and to gained filtrate
Middle addition cyclodextrin, carragheen and sodium carboxymethylcellulose, after being sufficiently mixed, then gained mixed liquor is subjected to spray drying system
, wherein, the addition of the cyclodextrin is 5g/kg, and the addition of the carragheen is 3g/kg, the carboxymethyl cellulose
The addition of sodium is 3g/kg.
Preferably, described composite kraft paper, the dried flower are dry rose, its be by after new fresh-rose shaping,
Under 800-900W after microwave drying 20-25min, then by gained rose at 25-30 DEG C heated-air drying, until its water content
Less than 12%, it is made.
A kind of preparation method of composite kraft paper, comprises the following steps:
Step 1: by secondary stock, bamboo and wood slurry and softwood pulp by weight 5:2:1 is put into the pulping pond of base pastes,
By size degradation, screening, purification, flotation, heat partition and defibrination process, base pastes are obtained;
Step 2: by secondary stock, softwood pulp and hardwood pulp by weight 2:1:1 is put into the pulping pond of surface layer slurry
In, by size degradation, screening, purification, flotation, heat partition and defibrination process, obtain surface layer slurry;
Step 3: base pastes and surface layer slurry are carried out into shaping of manufacturing paper with pulp respectively, separate bottom and face are prepared
Layer;
Step 4: after the essence of above-mentioned dosage is well mixed with the first sizing agent of above-mentioned dosage, the bottom is sprayed to
The upper surface of layer, form sandwich layer;
Step 5: bottom, sandwich layer and surface layer are sequentially placed, carry out press dewatering it is compound composite kraft paper body paper, and
The composite kraft paper body paper is placed at 190-210 DEG C processing is dried, until its water content is 25-30%;
Step 6: by the second sizing agent even application of 1/2 above-mentioned dosage to the outer surface of the composite kraft paper body paper,
The first glue surface is formed, then the dried flower of above-mentioned dosage is uniformly placed in first glue surface, finally again by the of remaining dosage
Two sizing agent even applications form the second glue surface, the first glue surface, dried flower and the second glue surface group in first glue surface and dried flower
Into decorative layer, composite kraft paper is obtained;
Step 7: processing is dried in the composite kraft paper at 40-45 DEG C, until its water content is 10-12%,
Obtain qualified composite kraft paper.
Preferably, the preparation method of described composite kraft paper, in the step 4, the spraying of first sizing agent
Pressure is 0.12-0.15MPa, spraying rate 180-200m/min.
Preferably, the preparation method of described composite kraft paper, in the step 5, press dewatering Combined Mining is used up and down
Double roller fashion of extrusion is carried out, and it is 105-110kN/m to control extruding force.
Preferably, the preparation method of described composite kraft paper, in the step 6, the spraying of second sizing agent
Pressure is 0.2-0.25MPa, spraying rate 150-160m/min.
Preferably, the preparation method of described composite kraft paper, it is added with to oven dry stock meter in the base pastes
0.3-0.5% sodium carboxymethylcellulose and 2-3% dextrin.
The present invention comprises at least following beneficial effect:
Firstth, composite kraft paper of the invention, outer surface are decorated by natural dried flower, and outward appearance is unique, attractive in appearance, and sandwich layer contains micro-
Capsule powders essence, fragrance is lasting, pleasant, gives people nature, the sensory experience of health, meets popular, ring healthy to wrapping paper
Protect, be attractive in appearance, applicable demand, especially suitable for making high-grade gift bag and packaging bag;
Secondth, secondary stock dosage accounting is big in the present invention, Original Pulp (bamboo and wood slurry, softwood pulp and hardwood pulp) dosage
Accounting is small, is advantageous to the recycling and environmental protection of waste paper resources, reduces production cost;
3rd, method of the invention can be produced using traditional brown paper production line, production cost and traditional brown paper
Quite, and the dried flower moulding of customized composite kraft paper outer surface, to improve its identification, it can be made rear according to client's needs
It can be printed in phase process without ink, directly carry out packaging bag and gift bag makes, save process, environmental protection;
4th, by setting different base pastes and surface layer slurry formula, and the secondary stock dosage in base pastes shows
Work is higher than surface layer slurry, makes bottom compared with surface layer, and structure loosely, is advantageous to the release of sandwich layer fragrance, and the structure of surface layer causes
It is close, the mechanical strength of kraft paper bag can be improved, makes its tear-proof, resistance to broken;By adding carboxymethyl cellulose in base pastes
Sodium and dextrin, it can moderately improve the mechanical strength of bottom;
5th, by adding a certain proportion of cyclodextrin, carragheen and sodium carboxymethylcellulose into rose extract,
The odourant molecules of rose can be made to be wrapped in the cavity that cyclodextrin, carragheen and sodium carboxymethylcellulose are formed, reduce the later stage
The destruction to odourant molecules is spray-dried, the fragrance rate of release of control gained flavoring rose essence, makes fragrance more longlasting;
6th, by the heated-air drying again of first microwave drying after rose shaping, compared with whole microwave drying, this method can be kept away
Exempt from dry rose edge overdrying, coking, influence the sight of dry rose, compared with whole heated-air drying, this method can shorten
Drying time, avoid rose holder partially dried not exclusively, rose is dried evenly, flower-shape is kept.
Further advantage, target and the feature of the present invention embodies part by following explanation, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Embodiment
With reference to embodiment, the present invention is described in further detail, to make those skilled in the art with reference to specification
Word can be implemented according to this.
It should be noted that experimental method described in following embodiments, is conventional method unless otherwise specified, it is described
Reagent and material, unless otherwise specified, commercially obtain.
Embodiment 1:
A kind of composite kraft paper, formed by bottom, sandwich layer, surface layer and decorative layer are compound successively, wherein,
The bottom, it is by secondary stock, bamboo and wood slurry and softwood pulp by weight 5:2:1 is mixed;
The sandwich layer, it is made up of the first sizing agent and essence, and first sizing agent is by polyvinyl alcohol and dextrin by weight
Measure ratio 2:3 are made, and the dosage of first sizing agent is 0.5g/m2, the essence, it is microscapsule powder essence, its dosage
For 0.01g/m2;
The surface layer, it is by secondary stock, softwood pulp and hardwood pulp by weight 2:1:1 is mixed;
The decorative layer, it is made up of the second sizing agent and dried flower, and second sizing agent is Styrene And Chloroalkyl Acrylates gluing
Agent, its dosage are 2g/m2, the dried flower, it is that fresh flower is made through microwave drying and heated-air drying, and its dosage is 30/m2。
A kind of preparation method of composite kraft paper, comprises the following steps:
Step 1: by secondary stock, bamboo and wood slurry and softwood pulp by weight 5:2:1 is put into the pulping pond of base pastes,
By size degradation, screening, purification, flotation, heat partition and defibrination process, base pastes are obtained;
Step 2: by secondary stock, softwood pulp and hardwood pulp by weight 2:1:1 is put into the pulping pond of surface layer slurry
In, by size degradation, screening, purification, flotation, heat partition and defibrination process, obtain surface layer slurry;
Step 3: base pastes and surface layer slurry are carried out into shaping of manufacturing paper with pulp respectively, separate bottom and face are prepared
Layer;
Step 4: after the essence of above-mentioned dosage is well mixed with the first sizing agent of above-mentioned dosage, the bottom is sprayed to
The upper surface of layer, form sandwich layer;
Step 5: bottom, sandwich layer and surface layer are sequentially placed, carry out press dewatering it is compound composite kraft paper body paper, and
The composite kraft paper body paper is placed at 190 DEG C processing is dried, until its water content is 25%;
Step 6: by the second sizing agent even application of 1/2 above-mentioned dosage to the outer surface of the composite kraft paper body paper,
The first glue surface is formed, then the dried flower of above-mentioned dosage is uniformly placed in first glue surface, finally again by the of remaining dosage
Two sizing agent even applications form the second glue surface, the first glue surface, dried flower and the second glue surface group in first glue surface and dried flower
Into decorative layer, composite kraft paper is obtained;
Step 7: the composite kraft paper is dried into processing at 40 DEG C, until its water content is 10%, it is qualified to obtain
Composite kraft paper.
The preparation method of described composite kraft paper, in the step 4, the spray pressure of first sizing agent is
0.12MPa, spraying rate 180m/min.
The preparation method of described composite kraft paper, in the step 5, press dewatering Combined Mining use up and down double roller extrude
Mode is carried out, and it is 105kN/m to control extruding force.
The preparation method of described composite kraft paper, in the step 6, the spray pressure of second sizing agent is
0.2MPa, spraying rate 150m/min.
The preparation method of described composite kraft paper, the carboxylic first to oven dry stock meter 0.3% is added with the base pastes
Base sodium cellulosate and 2% dextrin.
Embodiment 2:
A kind of composite kraft paper, formed by bottom, sandwich layer, surface layer and decorative layer are compound successively, wherein,
The bottom, it is by secondary stock, bamboo and wood slurry and softwood pulp by weight 5:2:1 is mixed;
The sandwich layer, it is made up of the first sizing agent and essence, and first sizing agent is by polyvinyl alcohol and dextrin by weight
Measure ratio 2:3 are made, and the dosage of first sizing agent is 0.5g/m2, the essence, it is microscapsule powder essence, its dosage
For 0.02g/m2;
The surface layer, it is by secondary stock, softwood pulp and hardwood pulp by weight 2:1:1 is mixed;
The decorative layer, it is made up of the second sizing agent and dried flower, and second sizing agent is Styrene And Chloroalkyl Acrylates gluing
Agent, its dosage are 2g/m2, the dried flower, it is that fresh flower is made through microwave drying and heated-air drying, and its dosage is 10/m2。
Described composite kraft paper, the essence are flavoring rose essence, and it is by 2 by fresh rose and distilled water:1
Ratio add vacuum back-flow extraction equipment in, the refluxing extraction 6h at 50 DEG C, filtering, and into gained filtrate add cyclodextrin,
Carragheen and sodium carboxymethylcellulose, after being sufficiently mixed, then gained mixed liquor is subjected to spray drying and is made, wherein, the ring
The addition of dextrin is 5g/kg, and the addition of the carragheen is 3g/kg, and the addition of the sodium carboxymethylcellulose is 3g/
kg。
Described composite kraft paper, the dried flower are dry rose, its be by after new fresh-rose shaping, it is micro- under 800W
Ripple dry 25min after, then by gained rose at 25 DEG C heated-air drying, until its water content be less than 12%, be made.
A kind of preparation method of composite kraft paper, comprises the following steps:
Step 1: by secondary stock, bamboo and wood slurry and softwood pulp by weight 5:2:1 is put into the pulping pond of base pastes,
By size degradation, screening, purification, flotation, heat partition and defibrination process, base pastes are obtained;
Step 2: by secondary stock, softwood pulp and hardwood pulp by weight 2:1:1 is put into the pulping pond of surface layer slurry
In, by size degradation, screening, purification, flotation, heat partition and defibrination process, obtain surface layer slurry;
Step 3: base pastes and surface layer slurry are carried out into shaping of manufacturing paper with pulp respectively, separate bottom and face are prepared
Layer;
Step 4: after the essence of above-mentioned dosage is well mixed with the first sizing agent of above-mentioned dosage, the bottom is sprayed to
The upper surface of layer, form sandwich layer;
Step 5: bottom, sandwich layer and surface layer are sequentially placed, carry out press dewatering it is compound composite kraft paper body paper, and
The composite kraft paper body paper is placed at 190 DEG C processing is dried, until its water content is 25%;
Step 6: by the second sizing agent even application of 1/2 above-mentioned dosage to the outer surface of the composite kraft paper body paper,
The first glue surface is formed, then the dried flower of above-mentioned dosage is uniformly placed in first glue surface, finally again by the of remaining dosage
Two sizing agent even applications form the second glue surface, the first glue surface, dried flower and the second glue surface group in first glue surface and dried flower
Into decorative layer, composite kraft paper is obtained;
Step 7: the composite kraft paper is dried into processing at 40 DEG C, until its water content is 10%, it is qualified to obtain
Composite kraft paper.
The preparation method of described composite kraft paper, in the step 4, the spray pressure of first sizing agent is
0.12MPa, spraying rate 180m/min.
The preparation method of described composite kraft paper, in the step 5, press dewatering Combined Mining use up and down double roller extrude
Mode is carried out, and it is 105kN/m to control extruding force.
The preparation method of described composite kraft paper, in the step 6, the spray pressure of second sizing agent is
0.2MPa, spraying rate 150m/min.
The preparation method of described composite kraft paper, the carboxylic first to oven dry stock meter 0.3% is added with the base pastes
Base sodium cellulosate and 2% dextrin.
Embodiment 3:
A kind of composite kraft paper, formed by bottom, sandwich layer, surface layer and decorative layer are compound successively, wherein,
The bottom, it is by secondary stock, bamboo and wood slurry and softwood pulp by weight 5:2:1 is mixed;
The sandwich layer, it is made up of the first sizing agent and essence, and first sizing agent is by polyvinyl alcohol and dextrin by weight
Measure ratio 2:3 are made, and the dosage of first sizing agent is 1g/m2, the essence, it is microscapsule powder essence, and its dosage is
0.3g/m2;
The surface layer, it is by secondary stock, softwood pulp and hardwood pulp by weight 2:1:1 is mixed;
The decorative layer, it is made up of the second sizing agent and dried flower, and second sizing agent is Styrene And Chloroalkyl Acrylates gluing
Agent, its dosage are 2.5g/m2, the dried flower, it is that fresh flower is made through microwave drying and heated-air drying, its dosage be 30/
m2。
Described composite kraft paper, the essence are flavoring rose essence, and it is by 2 by fresh rose and distilled water:1
Ratio add vacuum back-flow extraction equipment in, the refluxing extraction 5h at 52 DEG C, filtering, and into gained filtrate add cyclodextrin,
Carragheen and sodium carboxymethylcellulose, after being sufficiently mixed, then gained mixed liquor is subjected to spray drying and is made, wherein, the ring
The addition of dextrin is 5g/kg, and the addition of the carragheen is 3g/kg, and the addition of the sodium carboxymethylcellulose is 3g/
kg。
Described composite kraft paper, the dried flower are dry rose, its be by after new fresh-rose shaping, it is micro- under 850W
Ripple dry 22min after, then by gained rose at 27 DEG C heated-air drying, until its water content be less than 12%, be made.
A kind of preparation method of composite kraft paper, comprises the following steps:
Step 1: by secondary stock, bamboo and wood slurry and softwood pulp by weight 5:2:1 is put into the pulping pond of base pastes,
By size degradation, screening, purification, flotation, heat partition and defibrination process, base pastes are obtained;
Step 2: by secondary stock, softwood pulp and hardwood pulp by weight 2:1:1 is put into the pulping pond of surface layer slurry
In, by size degradation, screening, purification, flotation, heat partition and defibrination process, obtain surface layer slurry;
Step 3: base pastes and surface layer slurry are carried out into shaping of manufacturing paper with pulp respectively, separate bottom and face are prepared
Layer;
Step 4: after the essence of above-mentioned dosage is well mixed with the first sizing agent of above-mentioned dosage, the bottom is sprayed to
The upper surface of layer, form sandwich layer;
Step 5: bottom, sandwich layer and surface layer are sequentially placed, carry out press dewatering it is compound composite kraft paper body paper, and
The composite kraft paper body paper is placed at 200 DEG C processing is dried, until its water content is 28%;
Step 6: by the second sizing agent even application of 1/2 above-mentioned dosage to the outer surface of the composite kraft paper body paper,
The first glue surface is formed, then the dried flower of above-mentioned dosage is uniformly placed in first glue surface, finally again by the of remaining dosage
Two sizing agent even applications form the second glue surface, the first glue surface, dried flower and the second glue surface group in first glue surface and dried flower
Into decorative layer, composite kraft paper is obtained;
Step 7: the composite kraft paper is dried into processing at 43 DEG C, until its water content is 11%, it is qualified to obtain
Composite kraft paper.
The preparation method of described composite kraft paper, in the step 4, the spray pressure of first sizing agent is
0.13MPa, spraying rate 190m/min.
The preparation method of described composite kraft paper, in the step 5, press dewatering Combined Mining use up and down double roller extrude
Mode is carried out, and it is 108kN/m to control extruding force.
The preparation method of described composite kraft paper, in the step 6, the spray pressure of second sizing agent is
0.22MPa, spraying rate 155m/min.
The preparation method of described composite kraft paper, the carboxylic first to oven dry stock meter 0.4% is added with the base pastes
Base sodium cellulosate and 2.5% dextrin.
Embodiment 4:
A kind of composite kraft paper, formed by bottom, sandwich layer, surface layer and decorative layer are compound successively, wherein,
The bottom, it is by secondary stock, bamboo and wood slurry and softwood pulp by weight 5:2:1 is mixed;
The sandwich layer, it is made up of the first sizing agent and essence, and first sizing agent is by polyvinyl alcohol and dextrin by weight
Measure ratio 2:3 are made, and the dosage of first sizing agent is 2g/m2, the essence, it is microscapsule powder essence, and its dosage is
0.05g/m2;
The surface layer, it is by secondary stock, softwood pulp and hardwood pulp by weight 2:1:1 is mixed;
The decorative layer, it is made up of the second sizing agent and dried flower, and second sizing agent is Styrene And Chloroalkyl Acrylates gluing
Agent, its dosage are 3g/m2, the dried flower, it is that fresh flower is made through microwave drying and heated-air drying, and its dosage is 50/m2。
Described composite kraft paper, the essence are flavoring rose essence, and it is by 2 by fresh rose and distilled water:1
Ratio add vacuum back-flow extraction equipment in, the refluxing extraction 4h at 55 DEG C, filtering, and into gained filtrate add cyclodextrin,
Carragheen and sodium carboxymethylcellulose, after being sufficiently mixed, then gained mixed liquor is subjected to spray drying and is made, wherein, the ring
The addition of dextrin is 5g/kg, and the addition of the carragheen is 3g/kg, and the addition of the sodium carboxymethylcellulose is 3g/
kg。
Described composite kraft paper, the dried flower are dry rose, its be by after new fresh-rose shaping, it is micro- under 900W
Ripple dry 20min after, then by gained rose at 30 DEG C heated-air drying, until its water content be less than 12%, be made.
A kind of preparation method of composite kraft paper, comprises the following steps:
Step 1: by secondary stock, bamboo and wood slurry and softwood pulp by weight 5:2:1 is put into the pulping pond of base pastes,
By size degradation, screening, purification, flotation, heat partition and defibrination process, base pastes are obtained;
Step 2: by secondary stock, softwood pulp and hardwood pulp by weight 2:1:1 is put into the pulping pond of surface layer slurry
In, by size degradation, screening, purification, flotation, heat partition and defibrination process, obtain surface layer slurry;
Step 3: base pastes and surface layer slurry are carried out into shaping of manufacturing paper with pulp respectively, separate bottom and face are prepared
Layer;
Step 4: after the essence of above-mentioned dosage is well mixed with the first sizing agent of above-mentioned dosage, the bottom is sprayed to
The upper surface of layer, form sandwich layer;
Step 5: bottom, sandwich layer and surface layer are sequentially placed, carry out press dewatering it is compound composite kraft paper body paper, and
The composite kraft paper body paper is placed at 210 DEG C processing is dried, until its water content is 30%;
Step 6: by the second sizing agent even application of 1/2 above-mentioned dosage to the outer surface of the composite kraft paper body paper,
The first glue surface is formed, then the dried flower of above-mentioned dosage is uniformly placed in first glue surface, finally again by the of remaining dosage
Two sizing agent even applications form the second glue surface, the first glue surface, dried flower and the second glue surface group in first glue surface and dried flower
Into decorative layer, composite kraft paper is obtained;
Step 7: the composite kraft paper is dried into processing at 45 DEG C, until its water content is 12%, it is qualified to obtain
Composite kraft paper.
The preparation method of described composite kraft paper, in the step 4, the spray pressure of first sizing agent is
0.15MPa, spraying rate 200m/min.
The preparation method of described composite kraft paper, in the step 5, press dewatering Combined Mining use up and down double roller extrude
Mode is carried out, and it is 110kN/m to control extruding force.
The preparation method of described composite kraft paper, in the step 6, the spray pressure of second sizing agent is
0.25MPa, spraying rate 160m/min.
The preparation method of described composite kraft paper, the carboxylic first to oven dry stock meter 0.5% is added with the base pastes
Base sodium cellulosate and 3% dextrin.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited
In specific details.
Claims (5)
1. a kind of preparation method of composite kraft paper, it is characterised in that comprise the following steps:
Step 1: by secondary stock, bamboo and wood slurry and softwood pulp by weight 5:2:1 is put into the pulping pond of base pastes, passes through
Size degradation, screening, purification, flotation, heat partition and defibrination process, obtain base pastes;
Step 2: by secondary stock, softwood pulp and hardwood pulp by weight 2:1:1 is put into the pulping pond of surface layer slurry, leads to
Size degradation, screening, purification, flotation, heat partition and defibrination process are crossed, obtains surface layer slurry;
Step 3: base pastes and surface layer slurry are carried out into shaping of manufacturing paper with pulp respectively, separate bottom and surface layer are prepared;
Step 4: after essence is well mixed with the first sizing agent, the upper surface of the bottom is sprayed to, forms sandwich layer;It is described
First sizing agent is by polyvinyl alcohol and dextrin by weight 2:3 are made, and the dosage of first sizing agent is 0.5-2g/m2, institute
Essence is stated, its dosage is 0.01-0.05g/m2;The essence is flavoring rose essence, its be by fresh rose and distilled water by
2:1 ratio is added in vacuum back-flow extraction equipment, the refluxing extraction 4-6h at 50-55 DEG C, filtering, and is added into gained filtrate
Enter cyclodextrin, carragheen and sodium carboxymethylcellulose, after being sufficiently mixed, then gained mixed liquor is subjected to spray drying and is made, its
In, the addition of the cyclodextrin is 5g/kg, and the addition of the carragheen is 3g/kg, and the sodium carboxymethylcellulose adds
Dosage is 3g/kg;
Step 5: bottom, sandwich layer and surface layer are sequentially placed, carry out press dewatering it is compound composite kraft paper body paper, and by institute
State composite kraft paper body paper and be placed at 190-210 DEG C and processing is dried, until its water content is 25-30%;
Step 6: by 1/2 second sizing agent even application to the outer surface of the composite kraft paper body paper, the first glue surface is formed,
Dried flower is uniformly placed on again in first glue surface, finally again by the second sizing agent even application of remaining dosage described
In one glue surface and dried flower, the second glue surface is formed, the first glue surface, dried flower and the second glue surface composition decorative layer, obtains composite kraft paper;Institute
It is Styrene And Chloroalkyl Acrylates adhesive to state the second sizing agent, and its dosage is 2-3g/m2, the dried flower, its dosage is 10-50/m2;
The dried flower is dry rose, and it is by after new fresh-rose shaping, under 800-900W after microwave drying 20-25min, then is incited somebody to action
Gained rose heated-air drying at 25-30 DEG C, until its water content is less than 12%, it is made;
Step 7: the composite kraft paper is dried into processing at 40-45 DEG C, until its water content is 10-12%, must close
The composite kraft paper of lattice.
2. the preparation method of composite kraft paper as claimed in claim 1, it is characterised in that in the step 4, described first
The spray pressure of sizing agent is 0.12-0.15MPa, spraying rate 180-200m/min.
3. the preparation method of composite kraft paper as claimed in claim 1, it is characterised in that in the step 5, press dewatering
Combined Mining is carried out with double roller fashion of extrusion up and down, and it is 105-110kN/m to control extruding force.
4. the preparation method of composite kraft paper as claimed in claim 1, it is characterised in that in the step 6, described second
The spray pressure of sizing agent is 0.2-0.25MPa, spraying rate 150-160m/min.
5. the preparation method of composite kraft paper as claimed in claim 1, it is characterised in that in the base pastes added with pair
Oven dry stock meter 0.3-0.5% sodium carboxymethylcellulose and 2-3% dextrin.
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CN2775102Y (en) * | 2004-11-08 | 2006-04-26 | 无锡帝思嘉投资咨询服务所 | Aluminum foil kraft paper multilayer composite paper |
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Effective date of registration: 20180528 Address after: 523528 B, 13 Hongxing Road, Lingtou community, Qiaotou town, Dongguan, Guangdong. Patentee after: Dongguan Li Shan Paper Industry Co., Ltd. Address before: 530206 No. 20 village, Na Lou, Yongning District, Nanning, the Guangxi Zhuang Autonomous Region. Patentee before: Lu Yang |
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