CN1891905A - Insulating paperboard - Google Patents
Insulating paperboard Download PDFInfo
- Publication number
- CN1891905A CN1891905A CNA2006100957206A CN200610095720A CN1891905A CN 1891905 A CN1891905 A CN 1891905A CN A2006100957206 A CNA2006100957206 A CN A2006100957206A CN 200610095720 A CN200610095720 A CN 200610095720A CN 1891905 A CN1891905 A CN 1891905A
- Authority
- CN
- China
- Prior art keywords
- fiber
- cardboard
- handling
- insulating paperboard
- cellulose fibre
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011087 paperboard Substances 0.000 title claims abstract description 29
- 239000000835 fiber Substances 0.000 claims abstract description 62
- 229920003043 Cellulose fiber Polymers 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000011111 cardboard Substances 0.000 claims description 46
- 238000012545 processing Methods 0.000 claims description 11
- 239000000126 substance Substances 0.000 claims description 9
- 238000009992 mercerising Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 7
- 102100031260 Acyl-coenzyme A thioesterase THEM4 Human genes 0.000 claims 1
- 101000638510 Homo sapiens Acyl-coenzyme A thioesterase THEM4 Proteins 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 3
- 229920001131 Pulp (paper) Polymers 0.000 description 15
- 239000010410 layer Substances 0.000 description 14
- 239000000123 paper Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- 230000008569 process Effects 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 244000050510 Cunninghamia lanceolata Species 0.000 description 4
- 229920002472 Starch Polymers 0.000 description 4
- 238000004061 bleaching Methods 0.000 description 4
- 229920002678 cellulose Polymers 0.000 description 4
- 239000001913 cellulose Substances 0.000 description 4
- 235000013305 food Nutrition 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 239000011122 softwood Substances 0.000 description 4
- 239000008107 starch Substances 0.000 description 4
- 235000019698 starch Nutrition 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 239000007799 cork Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- 229920002401 polyacrylamide Polymers 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000013312 flour Nutrition 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229920002126 Acrylic acid copolymer Polymers 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 229920013683 Celanese Polymers 0.000 description 1
- 206010013786 Dry skin Diseases 0.000 description 1
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- 229920002907 Guar gum Polymers 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 239000004640 Melamine resin Substances 0.000 description 1
- 229920000881 Modified starch Polymers 0.000 description 1
- 239000004368 Modified starch Substances 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 229920005372 Plexiglas® Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229920002873 Polyethylenimine Polymers 0.000 description 1
- 244000007853 Sarothamnus scoparius Species 0.000 description 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 1
- 244000269722 Thea sinensis Species 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- 229920006243 acrylic copolymer Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000000665 guar gum Substances 0.000 description 1
- 235000010417 guar gum Nutrition 0.000 description 1
- 229960002154 guar gum Drugs 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 235000012171 hot beverage Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000012417 linear regression Methods 0.000 description 1
- 235000019426 modified starch Nutrition 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 1
- 229920006327 polystyrene foam Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 235000014347 soups Nutrition 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/38—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
- B65D81/3865—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation drinking cups or like containers
- B65D81/3874—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation drinking cups or like containers formed of different materials, e.g. laminated or foam filling between walls
-
- 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
- D21H11/02—Chemical or chemomechanical or chemothermomechanical pulp
-
- 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
- D21H11/08—Mechanical or thermomechanical pulp
-
- 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
- D21H11/16—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
- Packages (AREA)
- Organic Insulating Materials (AREA)
Abstract
An insulating paperboard contains at least one layer of cellulose fibers. The one layer is at least partially composed of processed cellulosic fibers. The paperboard provides sufficient insulation to provide a hot water DeltaT across the paperboard of at least 0.8 DEG C. per 0.1 mm of caliper. A hot cup may be produced from the insulating paperboard.
Description
Technical field
The present invention relates to a kind of insulating paperboard, and relate more particularly to a kind of insulating paperboard that contains the cellulose fibre of handling.
Background technology
The food, particularly Re liquid of heat are generally also sold with the container splendid attire of disposable mistake.These containers are made by the various materials that comprise cardboard and foaming polymeric sheet.What paper board material was the most cheap is exactly cellulose fibre.Cellulose fibre is used to produce Bristol board and makes heat cup, the paper disc of mold pressing and the container of paper bowl and other F﹠B.Yet traditional cardboard of being made by cellulose fibre is closely knit, and therefore ratio as the easier heat transfer of foaming polymeric sheet.So the liquid of heat just typically comes splendid attire with the cup of two cups of conventional cardboard or band sleeve.
This just needs a kind of insulating paperboard of being made by cellulosic material, it has good adiabatic characteristics, can allow the user feel food in the container be temperature or heat, and allow the food in the container or the consumer of beverage under the situation of not feeling excessive temperature, arrest container for a long time simultaneously.This also more needs to provide a kind of insulating paperboard, and it can be by cutting providing various insulating characteristicses, thereby can adjust the temperature difference by cardboard at specific final application.
Description of drawings
With reference to following detailed description and accompanying drawing, will understand and understand the application more easily,
Wherein:
Fig. 1 is the cross sectional representation of the two ply board made according to the application;
Fig. 2 is hot glass the stereogram of being made by the cardboard that is similar to Fig. 1 such as grade, and its part is cut; And
Fig. 3 is the amplification cross-sectional view of a part that is used to make the cardboard of heat cup shown in Figure 2.
The specific embodiment
With reference to Fig. 1, the traditional method of bottom 10 usefulness of insulating paperboard 12 of the present invention is made by fiber that is easy to obtain such as cellulose fibre.Cardboard of the present invention can be made individual layer, bilayer or sandwich construction as required.
Outstanding feature of the present invention is one deck at least 14 of insulating paperboard, no matter be the single or multiple lift structure, also comprises the cellulose fibre of handling except that chemical pulp.The cellulose of handling has strengthened the heat-insulating property of sheet material.The chemical paper fiber that can be used for the application is just as defined herein obtained and purification by wood pulp at first.Being used for the application's suitable wood pulp fibers can handle from well-known chemical treatment such as brown paper and sulphite, and through or handle without bleaching and to obtain.Cork and hardwood all can use.The selection details of wood pulp fibre is known for a person skilled in the art.For example, the cellulose fibre of being produced by pine broom (chemical paper fiber) that is fit to that can be used for the application can obtain from a lot of companies, comprises Weyerhaeuser company, and name is called CF416, PL416, FR416 and NB416.The BK bleached kraft wet pulp, KKT, prince Albert city cork (Prince Albert Softwood) and Grand Prairie cork (GrandePrairie Softwood), all products of being made by Weyerhaeuser all are the examples of operable northern softwood.Used as it, the cellulose fibre of handling comprises following fiber 1) chemical treatment changes to cellulose II from cellulose I, and that handles as mercerising dodges the fiber of dry-cure with mercerising, and wherein mercerising was handled as a stage in the bleaching process.Utilize the mercerising of Oak Tree technology manufacturing to handle fiber such as HPZ and mercerising and dodge dried fiber such as HPZIII, MemphisTN and can be from Rayonier Performance Fibers Division, Jessup, the Porosinier-J-HP that GA obtains is applicable to the application.These mercerising softwood pulp have 95% or bigger chemical cellulose purity and be hard fibre.The fiber of handling also comprises 2) machinery and the fiber of chemical mechanical processing, paper pulp fiber (CTMP) as the chemi thermo mechanical processing, the paper pulp fiber of the hot mechanical treatment of bleached chemical (BCTMP), the paper pulp fiber of hot mechanical treatment (TMP), the groundwood fiber of purification and groundwood fiber.Wood pulp fibre that reclaim or second use also is suitable for.
The example of these paper pulp is, by Bowater, Greenville, S.C. the TMP of Zhi Zaoing (hot mechanical treatment paper pulp), by Weyerhaeuser, Federal Way, the TMP (hot mechanical treatment paper pulp) of WA by wood chip is made through the three phases of two purifying machines, and from NORPAC, the CTMP (chemi thermo mechanical pulp treatment) that Longview, WA obtain as the sale of CTMP NORPAC newsprint grade; Brightness from 53 to 75.Other fibers of handling comprise the U. S. application No.10/923 that is utilized submission on August 20th, 2004 by Weyerhaeuser company, the spray dry cellulosic fiber that 447 disclosed methods are made and the spray dry cellulosic fiber of processing.The paper pulp fiber continuous dehydration is about 34% in the method, and then by the dried machine of spray, it has the outlet temperature of about 190 ℃ to 400 ℃ inlet temperature and 50 ℃ to 205 ℃ and the about steam pressure of 1082kpa (157psig).These fibers are by twisting and curling.Other processing fiber comprises as US6, dried fiber of 837,970 described sudden strains of a muscle and the dried fiber of handling of sudden strain of a muscle.Also can use the mixture of the fiber of handling.
The application's cardboard can have a series of characteristic.Such as, its basic weight can be from 200gsm to 500gsm in one embodiment, and its basic weight is from 250gsm to 400gsm in another embodiment.The basic weight of cardboard is equal to or greater than 250gsm In yet another embodiment.The density of insulating paperboard is less than 0.5g/cc in one embodiment, in another embodiment this density from 0.1g/cc to 0.45g/cc, and In yet another embodiment density from 0.35g/cc to 0.40g/cc.
When one deck at least of cardboard comprised the cellulose fibre of handling according to the application, favourable temperature characteristic just can obtain.These temperature characteristics can by change the quantity of handling fiber in the cardboard, by changing cardboard basic weight, by obtaining producing such as the thickness that after by nip rolls, changes cardboard and by quantity and the thickness that changes extra play in the paperboard structure.The thickness of cardboard is more than or equal to 0.4mm in one embodiment, and basic weight is equal to or greater than 230gsm, and density is less than 0.5g/cc.The characteristic of insulating paperboard is shown in the following table 1.
Table 1: insulating paperboard characteristic
Fiber | Fiber weight percentage | Catalogue number(Cat.No.) | Basic weight (gsm) | Density g/cc | Thickness (mm) A﹠T | Taber hardness (g-cm) | Tensile index (Nm/g) | ZDT (kPa) | ΔT, ℃ |
Spray is done | 5 | 1 | 232 | 0.55 | 0.42 | 79.3 | 52.2 | 572.3 | 3.0 |
HPZ III | 5 | 2 | 231 | 0.53 | 0.44 | 76.0 | 60.3 | 577.8 | 2.8 |
HPZ | 60 | 3 | 228 | 0.38 | 0.60 | 75.6 | 30.4 | 318.5 | 5.7 |
HPZ III | 5 | 4 | 351 | 0.55 | 0.64 | 228.8 | 48.9 | 610.9 | 5.1 |
Spray is done | 60 | 5 | 348 | 0.42 | 0.84 | 235.7 | 25.3 | 285.4 | 9.3 |
HPZ 3 | 60 | 6 | 345 | 0.36 | 0.95 | 145.4 | 20.1 | 222.0 | 9.1 |
HPZ | 60 | 7 | 341 | 0.36 | 0.95 | 258.2 | 23.6 | 223.4 | 8.8 |
BCTMP1 | 60 | 8 | 323 | 0.31 | 1.03 | 361.6 | 35.7 | 302.0 | 11.2 |
Spray is done | 60 | 9 | 552 | 0.52 | 1.06 | 1013.0 | 45.3 | 501.9 | 8.4 |
HPZ III | 5 | 10 | 584 | 0.52 | 1.12 | 1031.6 | 43.8 | 532.3 | 6.5 |
POND TMP 2 | 60 | 11 | 345 | 0.27 | 1.27 | 407.5 | 28.1 | 197.2 | 12.9 |
HPZ | 60 | 12 | 576 | 0.41 | 1.39 | 653.2 | 21.7 | 274.4 | 11.1 |
CTMP 3 | 60 | 13 | 381 | 0.25 | 1.53 | 623.0 | 25.9 | 161.3 | 12.1 |
1.NORPAC CTMP;2.Ponderay TMP;3.Weyerhaeuser,FederalWay,WA
The application's the cardboard hot water Δ T that when the thickness of 0.5mm, has at least 4.4 ℃ hot water Δ T and when the thickness of 1mm at least, have 8.65 ℃ in another embodiment.The pass of hot water Δ T (definition) below and thickness tie up to 0.4mm thick with 1mm between thick be linearity and reduce or partial linear increase more than 1mm in the partial linear below the 0.4mm.Rephrase the statement, constructed in accordance have 0.4mm or thicker cardboard can have the thick about 0.8 ℃ hot water Δ T of every 0.1mm.These temperature values are based on the equation of linear regression formula between thickness and the Δ T.Can go out the upper and lower cofidence limit of each point on the tropic from the data computation that following table 2 provides.Statistical parameter provides in table 2.
Table 2: return statistical value
R square of observation of multiple R | 0.88 0.78 13 | ||
Coefficient | Be lower than 95.0% * | Be higher than 95.0% * | |
Intercept X variable | 0.24 8.42 | -2.70 5.47 | 3.18 11.36 |
*Cofidence limit
Use the coefficient of above-mentioned table 2 foundation, can be based upon the following relation of Δ T on the different-thickness level.
Table 3: based on the Δ T on the different-thickness level of the tropic
Thickness | ΔT,℃ | LCL | UCL |
0.2 | 1.9 | -1.6 | 5.4 |
0.3 | 2.8 | -1.1 | 6.6 |
0.4 | 3.6 | -0.5 | 7.7 |
0.5 | 4.4 | 0.04 | 8.9 |
0.6 | 5.3 | 0.6 | 10.0 |
0.7 | 6.1 | 1.1 | 11.1 |
0.8 | 7.0 | 1.7 | 12.3 |
0.9 | 7.8 | 2.2 | 13.4 |
1 | 8.7 | 2.8 | 14.5 |
1.1 | 9.5 | 3.3 | 15.7 |
1.2 | 10.3 | 3.9 | 16.8 |
1.25 | 10.8 | 4.1 | 17.4 |
LCL is lower than 95% coefficient level
UCL is higher than 95% coefficient level
Cardboard of the present invention can be a single-layer products.When being used for single-layer products, the low-density characteristics of cardboard of the present invention make millboard to manufacture to have rational basic weight.In order to obtain the adiabatic characteristics identical with common cardboard, the common paper plate thickness cardboard of the present invention of will having to be made into to double.Use the cellulose fibre of handling among the application, just can produce and had with the insulating paperboard of common cardboard same basis weight.This just can carry out the manufacturing of insulating paperboard effectively aborning by a spot of modification and a spot of loss with existing cardboard machine device.In addition, the advantage of single ply board is that total is low-density.On the other hand, cardboard of the present invention can be multi-layered product, comprises two, three or more multi-layered.Comprise more than the cardboard of one deck and can make by before or after drying, each lamination being closed.Couch board can perhaps have the headbox that has baffle of admittance ability and be placed in a plurality of paper pulp devices by use and make by use a plurality of headbox manufacturings continuously in moist forming process.Each of multi-layered product layer can be identical, also can be different.
The application's cardboard can for example comprise rotoformer, fourdrinier machine, oblique line Delta make-up machine and two-wire make-up machine by using traditional paper machine device moulding.
In the application's a embodiment, when single ply board uses according to the application, on forming, be identical.Yet this individual layer can and have layer that is full of the cellulose fibre of handling and the layer that is full of cellulose fibre according to the different layerings of composition, so that a kind of level and smooth, closely knit and few surface of foaming to be provided.
Most economical is to produce the uniform cardboard of a kind of composition, and the cellulose fibre of wherein handling mixes with cellulose fibre equably.In one embodiment, the cellulose fibre of handling is present in the heat insulation layer with 25% to 70% amount, and in another embodiment, they exist with 30% to 60% amount.Such as in double-decker, ground floor can contain 100% cellulose fibre, and the second layer can contain the cellulose fibre of 25% to 70% processing.In another embodiment, the second layer can contain the cellulose fibre of 35% to 60% processing.In one embodiment, in three-decker, bottom and top layer can contain 100% cellulose fibre, and the cellulose fibre of 25% to 70% processing is contained in the intermediate layer.In another embodiment, in three-decker, the cellulose fibre of 35% to about 60% processing can be contained in the intermediate layer.
The application's cardboard has a series of strength characteristicies widely.For example, in one embodiment, Taber hardness can be at about 125g-cm in the scope of about 1100g-cm.In another embodiment, Taber hardness arrives in the scope of about 800g-cm at about 400g-cm, and Taber hardness arrives in the scope of about 650g-cm at about 500g-cm in another embodiment.Taber hardness is determined according to ISO 243:1992E, except the chapters and sections of record.The copy of TAPPI is 489OM-92.
Cardboard also has tensile characteristics, and this makes it can be by cutting.In one embodiment, the scope of tensile index from about 20Nm/g to about 70Nm/g.In another embodiment, the scope of tensile index from about 30Nm/g to about 50Nm/g, and in another embodiment scope from 35Nm/g to 45Nm/g.Tensile index is determined by TAPPI 494.
Become in the operation of cup in conventional cardboard, estimate that the minimum Z direction tension force (ZDT) of 275kPa is essential for the edge that is fit to or the curling profile at top, make layering does not take place in this process.What can believe is, utilizes cardboard of the present invention, and low scope may extend near 100kPa.In one embodiment, the scope of ZDT (Z direction tension force) from about 150kPa to 650kPa, in another embodiment, the scope of ZDT from about 300kPa to about 500kPa.ZDT is determined by TAPPI 541.
The volume of sheet material is determined by TAPPI 411 and the density of sheet material calculates mutually according to the volume of sheet material.
The application's cardboard can be used for producing sandwich construction, particularly needs to have the container of heat-insulating property.Referring to Fig. 2, the common ground of these containers is all to be the ordinary hot cup that is used for splendid attire hot drink such as coffee, tea and analog.Other food service projects such as soup cup that can benefit from the insulating characteristics that improves and molded disk and bowl also can use the application's insulating paperboard.Equally, traditional take-away container of being made by cardboard or expanded material also can use cardboard of the present invention.Shown in Fig. 2 and 3, the hot cup type container of making according to the present invention can include one or more layers 22 and 24, one of them, in this embodiment 24, comprise the cellulose fibre of handling.The cellulose fibre of handling in this embodiment is in internal layer 24.Waterproof backing 26 preferably is laminated on the internal layer.This backing can contain, such as various thermoplastic materials, as polyethylene.The cardboard that preferably is at the bottom of being used in glass does not comprise cellulose fibre.
Except fibrous material, the application's cardboard can comprise adhesive.Suitable bonding is dissolved in, is dispersed in the water, or forms suspension in water.Suitable bonding comprises that those are used in adhesives in the paper-making industry usually and think that these products provide wet tension force and dried tension force and tearing toughness.Suitable wet strengthening agent comprises the CATION improvement starch with nitrogenous group (such as amino), for example comes from National Starch and Chemical Corp., Bridgewater, NJ; Rubber; Wet powerful resin, such as the polyamide epichlorohydrin resin (such as, KYMENE 557LX, Hercules Inc., Wilmington, DE), and polyacrylamide resin (such as referring to United States Patent (USP) 3,556,932 and by American Cyanamid Co., Standford, the polyacrylamide resin of the commercial use of the commodity that CT produces PAREZ 631NC by name); Urea-formaldehyde and melamine resin; And polyaziridine resin.About comprehensive argumentation of the wet powerful resin that can be used for the application usually that uses in the paper field can be referring to " wet strength in paper and the cardboard " of No. 29, TAPPI monograph series, the technological associations of paper pulp and paper industry (New York, 1965).
Other suitable bonding comprise starch, modified starch, polyvinyl alcohol, polyvinyl acetate, polyethylene/acrylic copolymer, acrylate copolymer, polyacrylate, polyacrylamide, polyamine, guar gum, oxidic polyethylene, ethlyene dichloride, ethlyene dichloride/acrylic acid copolymer, acrylonitrile/butadiene/styrene copolymer, and polyacrylonitrile.Wherein much can form rubber polymer and be used for being dissolved or suspended in water.
Hot water Δ T process of the test
In following example, will use various test methods.Hot water Δ T is determined through the simulation test machine of dixie cup by the transmission of simulation heat.The plexiglas box that is of a size of 12.1cm * 12.1cm * 12.1cm has the sample opening of 8.9cm * 8.9cm.The thick polystyrene foam thermal insulation of 2.54cm of this box.The sample of cardboard 3M (Sao Paulo, Tartan MN)
TMLabel protection oolemma (Label Protection Tape Clear) 3765 is laminated on the surface.On the other hand, polystyrene can be extruded on the surface of plate.87.8 ℃ hot water is poured in the box, inserted little stirring bar, the sample that will be coated with polystyrene is then put into instrument.This box rotation 90 is spent horizontal plane so that water fully contacts sample and is placed on the stirring plate to stir in measuring process then.Five thermocouple microprobes are attached to the outside of paperboard surface with the conduction band.The water temperature that the data logger record is inner and the temperature of outer surface can calculate the temperature difference (hot water Δ T) thus.Rephrase the statement, Δ T is the difference between water temperature inside and the hull-skin temperature.When water temperature reached 82.2 ℃, the infrared camera with 0.93 emissivity was placed on the outside 29.7cm distant place of sample, detects infra-red radiation simultaneously.This infra-red radiation is relevant with the accuracy of thermocouple.
In the method preparation of the samples of sheets shown in the table 1 according to following case introduction.
Example 1
This method is typically made the 300gsm plate with 60%CTMP.Shown in can manufacturing table 1 other of suitable quantity by adjusting fiber and other additives and weight have various basic weights and the cardboard of the fiber level handled.The Douglas China fir component of bleaching in all samples shown in the table 1 is purified to 510CSF; The flour (being purified to the Douglas China fir of the bleaching of 50CSF) that the defibrination process produces adds in all samples to do 5% of total weight of fibers.
CTMP, 44.44g fiber (concentration 40.83%), 37.4g are purified to the Douglas China fir (concentration 29.1%) of 510CSF, the Douglas China fir (concentration 2.5%) that 60.5g is purified to 50CSF, (flour that the defibrination process produces) and 3.02g polyvinyl alcohol (165SFPVOH, from Celanese, Dallas TX), 100% solid was English crusher for crushing 5 minutes.This mixture is diluted in the 4L de-ionate and uses NaHCO
3Furnishing pH value is 7.2-7.4.Solution from 1% adds the kymene of 1g/kg (2Lb/T) equivalent, the Perform-PC8138 of 3-epicyanohydrin resin and 0.13g/kg (0.26Lb/T) equivalent (both can be from Hercules, Wilmington, DE obtains), and mixed 2 minutes.The AKD that adds 2g/kg (41b/T) is (from Hercules Inc., Wilmington, the obtainable alkyl ketene dimer of DE) and the starch of 4.25g/kg (8.51b/Ton) (Sta-Lok 300, and from Tate-Lyle, Decatur IL can obtain) and mix stirring two minutes.31.75cm * 31.75cm forming wire (155 mesh) is placed on Noble﹠amp; On the bottom of Wood12 " * 12 " sheet forming die, pour slurries into sheet forming die, be diluted to 35 liters and mix with plunger with de-ionate.Subsequently slurries are discharged, utilize blotting paper to dewater and reach about 20% density until sheet material by uniform hand.This sheet material is removed and is blotted from filter screen and further reaches about 30% curing degree.Blotting paper is placed on each face of sample, and sample is placed between the moist felt then pressure by 137.8kPa (20psi) further sample is dewatered.Solid constituent is approximately 40% this moment.The sheet material that obtains is placed on the rotary drum dryer (surface temperature is 121 ℃), and drying is 10 minutes between the blotting paper of two dryings.Subsequently sample is put upside down and dry 10 minutes again.Before test, sample was dried in 50% relative humidity room 4 hours.
In conjunction with the preferred embodiments and various modifications and changes aforementioned application has been described.Those skilled in the art can use equivalent to replace disclosed application and the wide in range notion that do not break away from the application.Therefore the application is limited only by the accompanying claims.
Claims (15)
1. insulating paperboard comprises:
At least one deck cellulose fibre, at least some cellulose fibres comprise the cellulose fibre of handling, the cellulose fibre that contains 25% to 70% described processing in described one deck at least, described cardboard are fully adiabatic so that the hot water Δ T that passes through described cardboard of at least 0.8 ℃ of every 0.1mm thickness to be provided.
2. the fiber of processing according to claim 1, wherein said fiber be selected from fiber, the chemical mechanical processing of chemically treated fiber, fiber that mercerising is handled, mechanical treatment fiber, spray dried fiber, dodge dried fiber and composition thereof.
3. fiber according to claim 2, the fiber of wherein handling are the fibers that mercerising is handled.
4. fiber according to claim 2, the fiber of wherein handling are the CTMP fibers.
5. fiber according to claim 2, the fiber of wherein handling are the BCTMP fibers.
6. fiber according to claim 2, the fiber of wherein handling are the TMP fibers.
7. fiber according to claim 2, the fiber of wherein handling are the dried fibers of spray.
8. fiber according to claim 2, the fiber of wherein handling are to dodge dried fiber.
9. insulating paperboard according to claim 1, wherein said cardboard has the density less than 0.5g/cc.
10. insulating paperboard according to claim 2, wherein said cardboard has the basic weight of 250gsm to 400gsm.
11. insulating paperboard according to claim 2, wherein said cardboard has the basic weight more than or equal to 250gsm.
12. insulating paperboard according to claim 3, the thickness of wherein said cardboard is more than or equal to 0.5mm.
13. insulating paperboard according to claim 1, wherein said cardboard have when 0.6mm thickness at least 5.3 ℃ hot water Δ T and when 1.25mm thickness 10.8 ℃ hot water Δ T, described hot water Δ T is being linear progression with respect to thickness in the temperature range more than 10.3 ℃ basically below 4 ℃.
14. insulating paperboard according to claim 6, wherein said linear progression enlarges from the Δ T of T to 10.3 ℃ of 4 ℃ Δ.
15. insulating paperboard according to claim 1, wherein said cardboard are doubling plate at least, described one deck at least contains the cellulose fibre of handling.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17102405A | 2005-06-30 | 2005-06-30 | |
US11/171,024 | 2005-06-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN1891905A true CN1891905A (en) | 2007-01-10 |
Family
ID=37199153
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA2006100957206A Pending CN1891905A (en) | 2005-06-30 | 2006-06-28 | Insulating paperboard |
Country Status (6)
Country | Link |
---|---|
US (1) | US20070023153A1 (en) |
EP (1) | EP1739030A2 (en) |
JP (1) | JP2007009399A (en) |
CN (1) | CN1891905A (en) |
BR (1) | BRPI0602364A (en) |
CA (1) | CA2549332A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104928966A (en) * | 2015-06-17 | 2015-09-23 | 湖南广信科技股份有限公司 | Drying technology for paper and paperboard |
WO2017063139A1 (en) * | 2015-10-13 | 2017-04-20 | 刘志华 | Heat preservation paperboard compositing machine and compositing method, and heat preservation paperboard manufacturing system |
CN111074667A (en) * | 2019-12-26 | 2020-04-28 | 宁波亚洲浆纸业有限公司 | Core layer slurry of base paper for foaming cup, manufacturing process and base paper for foaming cup |
CN111792146A (en) * | 2020-07-08 | 2020-10-20 | 刘光辉 | Paper cup |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070151687A1 (en) * | 2005-12-30 | 2007-07-05 | Halabisky Donald D | Insulating paperboard |
AT505536B1 (en) * | 2007-10-24 | 2009-02-15 | Steiner Peter | EPS CONTAINER |
US8389079B2 (en) | 2009-05-05 | 2013-03-05 | Meadwestvaco Corporation | Paperboard-based beverage container |
US10640277B2 (en) * | 2017-06-01 | 2020-05-05 | Chef Pack, Llc | Packaging for a food item |
JP6904237B2 (en) * | 2017-12-19 | 2021-07-14 | 王子ホールディングス株式会社 | Foam Insulation Paper Container Paper Base Material, Foam Insulation Paper Container Sheet and Foam Insulation Paper Container |
JP6958713B2 (en) * | 2017-12-19 | 2021-11-02 | 王子ホールディングス株式会社 | Foam Insulation Paper Container Paper Base Material, Foam Insulation Paper Container Sheet and Foam Insulation Paper Container |
JP6809445B2 (en) * | 2017-12-19 | 2021-01-06 | 王子ホールディングス株式会社 | Foam insulation paper container Paper base material, foam insulation paper container sheet and foam insulation paper container |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4913773A (en) * | 1987-01-14 | 1990-04-03 | James River-Norwalk, Inc. | Method of manufacture of paperboard |
JP3558638B2 (en) * | 1994-03-25 | 2004-08-25 | ウェヤーハウザー・カンパニー | Multiply cellulose products using bulky cellulose fibers |
US5906894A (en) * | 1994-03-25 | 1999-05-25 | Weyerhaeuser Company | Multi-ply cellulosic products using high-bulk cellulosic fibers |
ES2220926T3 (en) * | 1994-03-25 | 2004-12-16 | Weyerhaeuser Company | CELLULOSICAL PRODUCTS THAT USE HIGH SPONGE CELLULOSICAL FIBERS. |
US6379497B1 (en) * | 1996-09-20 | 2002-04-30 | Fort James Corporation | Bulk enhanced paperboard and shaped products made therefrom |
JPH10212690A (en) * | 1997-01-23 | 1998-08-11 | Oji Paper Co Ltd | Low-density body |
US6224954B1 (en) * | 1997-03-26 | 2001-05-01 | Fort James Corporation | Insulating stock material and containers and methods of making the same |
PL199323B1 (en) * | 1998-09-03 | 2008-09-30 | Stora Enso Ab | Paper or paperboard laminate and method to produce such a laminate |
SE519173C2 (en) * | 2000-05-15 | 2003-01-21 | Stora Kopparbergs Bergslags Ab | Paper or cardboard laminates as well as ways of making such laminates |
NO320290B1 (en) * | 2000-05-31 | 2005-11-21 | Oji Paper Co | Moldable base paper and scales made from this |
US7060159B2 (en) * | 2003-04-04 | 2006-06-13 | Weyerhaeuser Company | Insulating paperboard |
US7056563B2 (en) * | 2003-04-04 | 2006-06-06 | Weyerhaeuser Company | Hot cup made from an insulating paperboard |
US7108765B2 (en) * | 2003-04-04 | 2006-09-19 | Weyerhaeuser Company | Method for making an insulating paperboard |
US7063771B2 (en) * | 2003-04-04 | 2006-06-20 | Weyerhaeuser Company | Embossed insulating paperboard |
-
2006
- 2006-06-02 CA CA002549332A patent/CA2549332A1/en not_active Withdrawn
- 2006-06-15 JP JP2006166082A patent/JP2007009399A/en active Pending
- 2006-06-27 EP EP06253344A patent/EP1739030A2/en not_active Withdrawn
- 2006-06-28 BR BRPI0602364-9A patent/BRPI0602364A/en not_active IP Right Cessation
- 2006-06-28 CN CNA2006100957206A patent/CN1891905A/en active Pending
- 2006-09-12 US US11/531,156 patent/US20070023153A1/en not_active Abandoned
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104928966A (en) * | 2015-06-17 | 2015-09-23 | 湖南广信科技股份有限公司 | Drying technology for paper and paperboard |
WO2017063139A1 (en) * | 2015-10-13 | 2017-04-20 | 刘志华 | Heat preservation paperboard compositing machine and compositing method, and heat preservation paperboard manufacturing system |
TWI618627B (en) * | 2015-10-13 | 2018-03-21 | Lau Chi Wah | Thermal insulation cardboard composite machine and method, and thermal insulation cardboard manufacturing system |
CN111074667A (en) * | 2019-12-26 | 2020-04-28 | 宁波亚洲浆纸业有限公司 | Core layer slurry of base paper for foaming cup, manufacturing process and base paper for foaming cup |
CN111792146A (en) * | 2020-07-08 | 2020-10-20 | 刘光辉 | Paper cup |
CN111792146B (en) * | 2020-07-08 | 2022-12-16 | 山东新思路生活科技有限公司 | Paper cup |
Also Published As
Publication number | Publication date |
---|---|
JP2007009399A (en) | 2007-01-18 |
EP1739030A2 (en) | 2007-01-03 |
US20070023153A1 (en) | 2007-02-01 |
CA2549332A1 (en) | 2006-12-30 |
BRPI0602364A (en) | 2007-02-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1891580A (en) | A cup formed from an insulating paperboard | |
CN1891905A (en) | Insulating paperboard | |
RU2428535C2 (en) | Method to produce paper product | |
EP2900869B1 (en) | Hybrid fiber compositions and uses in containerboard packaging | |
US8715464B2 (en) | Soy stalk and wheat straw pulp fiber mixtures | |
FI126699B (en) | Process for making paperboard | |
AU2016285836B2 (en) | Wood-free fiber compositions and uses in paperboard packaging | |
KR20160018586A (en) | Soft and strong engineered tissue | |
KR100858041B1 (en) | Molding base paper and molded paper vessel produced from it | |
CN1990951A (en) | Insulating paperboard | |
KR20040036670A (en) | Flowable and meterable densified fiber particle | |
US20070084574A1 (en) | Insulating paperboard | |
EP2707223B1 (en) | A material for packaging of foodstuff, and a package for foodstuff | |
SE543371C2 (en) | A light weight corrugated packaging material | |
EP0433413B1 (en) | Porous, micronized, low density vegetable filler with a controlled particle size and low specific physical and hydraulic surfaces, and method of preparation and use of same | |
MXPA06002584A (en) | Low density paperboard sheet and tube incorporating the same. | |
EP4286585A1 (en) | White top kraftliner paper, method for producing said paper, use of the paper and packaging | |
US20070023154A1 (en) | Insulating paperboard | |
KR101427888B1 (en) | The base paper of environment-friendly | |
JP2023138495A (en) | Laminated paper and paper products obtained by processing the laminated paper | |
JPS6020519B2 (en) | Manufacturing method of cardboard for moisture-proof cartons |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |