CN1036059A - Paper board for packing containers - Google Patents
Paper board for packing containers Download PDFInfo
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- CN1036059A CN1036059A CN 88105390 CN88105390A CN1036059A CN 1036059 A CN1036059 A CN 1036059A CN 88105390 CN88105390 CN 88105390 CN 88105390 A CN88105390 A CN 88105390A CN 1036059 A CN1036059 A CN 1036059A
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- paper
- packing containers
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- paper board
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Abstract
Paper board for packing containers of the present invention belongs to paper products.By reclaiming waste cotton fiber is the low tightness page that main raw material is made, and after the infiltration of water-soluble epoxy glue stick spray, makes high temperature, HIGH PRESSURE TREATMENT with heavy hot press, obtains the tough cardboard of taking into account of different-thickness.It is applicable to processing modes such as mold pressing and industrial sewing, makes the skeleton structure of some products.Also can produce other sheet material by retrofit.This board production technology is easy, uses absorption, protects multiple adhesive theory such as diffusing, hydrogen bond.Making refuse become regenerated resources, is in great demand in the extensive market of product purpose.Help environmental protection, remarkable in economical benefits has promotional value.
Description
The invention belongs to paper products, is a kind of low tightness page of mainly being made up of waste cotton fiber, after the water-soluble epoxy glue stick permeates, and the paper board for packing containers that obtains by high temperature, HIGH PRESSURE TREATMENT.
Along with expanding economy, to the demand trend variation of industrial paperboard.But all wish constantly to improve the intensity and the toughness of industrial paperboard.The fiber-like artificial board that has used at present has glued board, fiberboard, shaving board, wood-pulp board, pulp plate, sound panel, thick china etc. to be widely used in fields such as building, transportation, packing, light industry.Though the intensity that has is bigger, the toughness that has is better, and above-mentioned two aspect performances can not be taken into account simultaneously.Therefore, their incompatibilities are produced the pipelining of paper container skeleton by mold pressing and industrial sewing manufacturing process.
According to the paper board for packing containers that process of the present invention is produced, just can accomplish this point well.The mold pressing suitcase that for example uses this cardboard to do as framework material.During empty van, can the stand adult of body weight 60-70 kilogram of top, up and down repeatedly for several times the suitcase profile remain unchanged.Add man-hour, can use industrial sewing machine to make little corner again and make, be fit to streamline production.Can also make the skeleton of sofa seat in the car etc. equally.This performance is very welcome for the sheet material of thickness 3-5 millimeter.Demonstrated fully the feature of this product, promptly intensity and toughness can be taken into account mutually.
In addition, the United States Patent (USP) that obtains by Patent Office of the People's Republic of China's retrieval (seeing Appendix totally four parts): the goods of being mentioned in 3,895, No. 998,3,194, No. 706,2,432, No. 752,3,886, No. 019.As moulded products, the once-through operation dipping lamination that adopts pulp production adds the lamination corrugated board that cardboard, resin impregnation laminated paper board and the surface resin of overcoat handle etc.No matter above-mentioned these products are performance, purposes or processing method, all different with content of the present invention.Because above-mentioned patent is on raw material is selected for use, the paper pulp in the use paper mill waste liquid that has, its fiber are lacked composition complexity and are comprised inorganic filler again.The then use glass cloth that has etc.And the paraffin of the hot melt class of adhesive multiselect usefulness normal temperature poor toughness and the phenolic resins of thermosetting class etc.There is the situation inequality in adhesive between its fiber in addition.Though can improve its one-sided local performance.But can not resolve the tough problem of taking into account of paper products.
The natural resources that current tradition is used constantly reduce.The discarded object of comprehensive utilization industry and life is created new wealth, is the new problem of human maintaining ecological balance.Therefore, adopt economical and practical process, the manufacture cardboard is the target of joint exploration.
Industry and domestic refuse are from many-sided, complicated component, and uses of how classifying makes full use of the characteristics of this kind discarded object, creates the upward short goods and materials of urgent need of society, is the direction of current regeneration discarded object.Method of the present invention, characteristic on waste utilization, owning amount is considerable socially because of waste cotton fiber, and their characteristics are that fiber is long, and intensity height, soft again can replace the timber resources that reduces day by day.By the paper board for packing containers that method of the present invention is produced, its goods have corresponding raising on mechanical property.Raw material supply abundance and market are big to the demand of product, thereby make the present invention have great vitality.
The objective of the invention is to be the main raw material exploitation and to improve that with the waste cotton fiber material mechanical characteristic of industrial paperboard makes the intensity of paper products and toughness improve simultaneously.Be adapted to pass through methods such as mold pressing and industrial sewing, make the skeleton structure of various products, also can by retrofit, make other sheet material as base material.
It is that the low tightness that main raw material is made (is the 0.5-0.6 gram per centimeter that the main process of the present invention is to use with the fine cotton of waste and old cotton
3) page.Overlapping after water-soluble hybrid adhesive spray infiltration, squeezing are after heavy multi-daylight press high temperature, HIGH PRESSURE TREATMENT (the autoclave sterilization effect is arranged simultaneously) obtain a kind of tough paper board for packing containers of different-thickness.Be that a kind of deflection is good, good toughness has the sheet material of the surfacing of humidity resistance.This Automation of Manufacturing Process degree height, free from environmental pollution again.
The invention provides a kind of difference novel process in the past, produce the tough paper board for packing containers of suitable mold pressing and industrial sewing processing.Waste cotton fiber through handling, is made soft low tightness page.But these page monovolumes use, and also denumerable volume uses simultaneously and all is placed on the different unreeling stands.According to the thickness of finished product cardboard, the number of plies that decision is used.The general thickness of monolayer sheet after hot pressing only is 0.35 millimeter, and the concrete number of plies can be determined by the scene.The page marshalling of multilayer stack enters one group by many carrying roller platforms that rubber roll is formed through deflector roll.Above the carrying roller platform, spray equipment is arranged, water-soluble hybrid adhesive (hereinafter to be referred as glue) is constantly sprayed on the page.Because the speed of service is slow, glue has adequate time uniformly penetrating in page.
Above-mentioned carrying roller platform play the effect that compresses ply of paper and the page delivery to pressure roller.Ply of paper is extruded unnecessary glue when squeezing.The local inequality that occurs in the time of can remedying simultaneously the spray infiltration.Through the adjustment of one group of pressure roller, be cut into given size through electric slicer again.At this moment, the moulding of l Water Paper base is sent to loader and waits for into press.The unnecessary glue that is extruded flow in the following pallet and constantly is back in the glue groove, delivers to the top spray thrower with plastic pump through pipeline and supplies to recycle, and constantly replenish glue in the glue groove.2 meters of product needed glues per ton
3About.After 15 layers of l Water Paper base were advanced to multi-daylight press simultaneously, its operating pressure and temperature pressure curve and temperature curve in accordance with regulations operated.After several minutes, 15 layer paperboards are drawn out multi-daylight press simultaneously again.After delivering to bead cutter (comprising rip cutting limit and crosscut limit) side cut, transfer equipment is production board.Can also before side cut, adjust through calender processing.
In order to help the formation of strong strength paper board, the present invention has carried out sufficient screening and combination to binding agent.In general use single specific (special) requirements that adhesive can't satisfy production equipment and product of planting, as cost, flowability, viscosity and cardboard characteristic etc.In addition, with the page that old cotton fiber is formed, the loose tightness of quality has only the 0.5-0.6 gram per centimeter
3After the spray infiltration, each composition can successfully soak between the fiber in the water-soluble epoxy glue stick.The molecular thermalmotion of fiber and binding agent is strengthened, and intermolecular distance is dwindled.After cardboard goes out hot press, between the fiber, combine together fully mutually between the page.Therefore, the cardboard tightness reaches the 1-1.1 gram per centimeter
3, the various mechanical characteristic values of paper are bigger.This is due to the various bonding mechanism effects such as absorption, diffusion, hydrogen bond, and its mechanism has surmounted common cardboard manufacture craft.
At first accompanying drawing of the present invention is described, so that the present invention is better understood.
Fig. 1 is the schematic diagram of paper board for packing containers production line.Schematic representation the overall process from the paper roll to the production.
Fig. 2 is the partial schematic diagram of the infiltration of water-soluble mixed binder solution spray, expressing process.
Fig. 3 is the schematic diagram of arranging between ply of board, and the cardboard situation that interlayer is arranged in hot pressing is described.
Fig. 4 is the cardboard internal pressure situation of change (being pressure curve) in the hot pressing.
Fig. 5 is in the hot pressing, temperature variations (being temperature curve) in the cardboard.
Fig. 6 is the schematic diagram of the another kind of combining form of packing container production line.Wherein just the wet plate moulding section is different, and later part is all identical.The producer can select for use according to field condition.
Consult Fig. 1, the step that the manufacture method of this cardboard is included and the equipment of use are described.
Step 1: the paper roll that quality is soft (1) number volume is placed on the different unreeling stand (2) in proper order.Pull out the multilayer stack simultaneously, according to the cal(l)iper decision number of plies.Through carrying roller platform (3) time, the top has spray thrower (14) that ply of paper is sprayed infiltration, and ply of paper is extruded reuse to unnecessary glue through a pair of pressure roller (5) then.It is standby by the ground paper that electric slicer (6) is cut into given size that ply of paper enters roller platform (7).
Step 2: above-mentioned ground paper is carried through roller platform (7), falls on the corrosion resistant plate (8) of conveyer belt (9) top, enters on the loader (17), waits for and sends multi-daylight press (10) to.The hot press gross pressure is 1500 tons.Totally 15 layers.
Step 3: the hot press closure of boosting, heat after several minutes, operation sequence can be undertaken by giving fixed pressure curve Fig. 4 and temperature curve Fig. 5 automatically.It is the 30-40 kilograms per centimeter that slab bears pressure
3, steam pressure (Pressure gauge) is the 4-4.5 kilograms per centimeter
3
Step 4: cardboard goes out press after unloader (18) is pulled out, and is transmitted band (11) and delivers to calender (12) and bead cutter (13) arrangement warehouse-in.Trimmed size is: 1000 * 2000 millimeters or other specification.
Step 5: the above-mentioned glue of being extruded by pressure roller falls into following pallet (4), and glue flows to again in the ground glue groove (16).Delivering to spray thrower (14) through plastic pump (15) recycles.Can replenish at any time after the glue consumption.
Fig. 6 represents the another kind of combining form of paper board for packing containers production line.Just wet mat is shaped partly slightly different, partly all identical later on.It is as follows now to make brief description:
Step 1: the paper roll that quality is soft (19) frame is on unreeling stand (20).Paper roll is pulled out after deflector roll (21) enters by the paper wrapping cylinder (24) of holder device (22) and carrying roller (23) picking-up.At this moment, spray thrower (25) is looked the number of turns (by the counter indication) of the thickness decision paper wrapping of producing cardboard constantly to ground paper spray glue.Draw back by hand and break device (26) on the paper wrapping cylinder (24), then ground paper is fallen on the carrying roller platform (27) because of gravity, and the ground paper tail end breaks away from the paper wrapping cylinder during through the gap of paper wrapping cylinder (24) and carrying roller (23).At this moment, the paper wrapping cylinder begins to roll second ground paper.Ground paper is driven by carrying roller platform (27) and advances, and extrudes unnecessary glue by pressure roller (28).Entering carrying roller platform (29) ply of paper is cut to given size by electric slicer (30).
Step 2: the ground paper on the carrying roller platform (29) continues forward, falls on the corrosion resistant plate (32) of conveyer belt (31) top.Enter loader (33) wait and send multi-daylight press (34) to.
Step 3: the hot press closure of boosting, heat after several minutes, operation sequence can be undertaken by giving fixed pressure curve Fig. 4 and temperature curve Fig. 5 automatically.
Step 4: go out the press cardboard and pull out, be transmitted band (36) and deliver to calender (37) and bead cutter (38) arrangement warehouse-in through unloader (35).
Step 5: the above-mentioned glue that is extruded by pressure roller (28) falls into following pallet (41), and glue flows to again in the ground glue groove (40), is delivered in the spray thrower (25) for recycling by plastic pump (39).
Below further the present invention being done some specifies:
One, main raw material
1, is in the page of main component with the waste cotton fiber, contains and clean waste cotton fiber 85%, chemical fiber blended fiber 7%, waste paper 8%.Other technical parameter is as follows:
Quantitatively: 350 ± 20 gram/rice
2
Tightness: 0.5-0.6 gram per centimeter
3
Tension stress: (in length and breadth to average) 20 kilograms/50 millimeters
Beating degree: 18-19 ° SR
Drum diameter: 750 ± 10 millimeters
Reel width: 1010 ± 2 millimeters
Paper is blue grey, surfacing, and 10 millimeters are no more than 5 places with interior lumps, hard foreign material.
2, the composition of water-soluble mixed viscose agent (percentage by weight)
Highly dissoluble take off fine hemalbumin 96%
Emulsion-type ethene improved 3%
Copper sulphate 1%
Said ratio is only a kind of for what use always, also can add other composition with product requirement.
3, polyester film
Width: 1010 millimeters
Thickness: 0.07 millimeter
Fusing point: be not less than 250 ℃
Composition: 100% terephthalic acid (TPA), dimethyl ester, ethylene glycol
Or use 6050 Kaptons
Thickness: 0.075 millimeter
Heatproof: 343 ℃
Composition: by pyromellitic acid anhydride and the polycondensation of 4.4 ' diaminodiphenyl ether.
Two, the combination of production process: (referring to Fig. 1)
As shown in Figure 1, production process is made up of unreeling stand (2), carrying roller platform (3), pressure roller (5), roller platform (7), electric slicer (6), conveyer belt (9), loader (17), hot press (10), unloader (18), conveyer belt (11), bead cutter critical pieces such as (13).
Pressure roller are made up of the rubber roll of the common hardness of 250 millimeters of a pair of diameters.4 meters/minute of the ground paper speeds of service.
Heavy multi-daylight press gross pressure is 1500 tons, 15 layers.Use saturated vapor, its steam pressure (gauge pressure) 4-4.5 kilograms per centimeter
2Every hot plate area is 2200 * 1080(millimeter), unit board face maximum pressure is 63 kilograms per centimeter
2, hot pressing time is 15-20 minute.
Superimposed mode (seeing Fig. 3 for details) between every layer of hot plate, between the corrosion resistant plate (42 and 46) of two 4 millimeters thick (from top to bottom), form by copper mesh (65 orders/inch) (43), l Water Paper base (determining the number of plies) (44), 0.07 millimeter polyester film (being fixed on the following corrosion resistant plate) (45) according to cal(l)iper.Every layer goes out one of production board, and wire side is the woven design shape, and pellicular front is smooth smooth.Per car goes out 15 of finished products.Production board with 2 millimeters of thickness is an example: quantitatively be 2 kilograms/meter
2, tightness 1-1.1 gram per centimeter
3
Hot pressing curve is referring to Fig. 4.Slogan banner among the figure: minute vertical mark: kilograms per centimeter
2
The purpose of boost phase is to promote glue further to spread evenly in ground paper with mechanical pressure, and discharges the unnecessary glue of minute quantity.Be one minute pressure rising time.The purpose of packing stage is to utilize the heat heating evaporation of saturated vapor to drain residual moisture in the ground paper, and cardboard goes out machine moisture and is not more than 8%.Last step-down, the time was controlled at about one minute, and is not too fast, prevents that lamination from appearring in cardboard.
Temperature curve: referring to Fig. 5, slogan banner among the figure: minute vertical mark: temperature ℃
Hot plate will give heat to 100 ℃ before the dress plate, after the hot plate closure hot plate is progressively heated up.Rise to 151-155 ℃ after three minutes, and remain to cardboard when going out machine till.
Three, effect and conclusion
The present invention utilizes on the basis of discarded object at minute class, gives full play to the advantage of discarded object. Process by processing, make this cardboard obtain preferably mechanical characteristic, namely intensity and toughness are taken into account mutually, and improve a lot.
The product of this explained hereafter is fit to make by processing modes such as mold pressing and industrial sewings the skeleton structure of various pack product, also can make by retrofit the sheet material of other purposes.
The manufacturing principle advanced person of this product, technology is simple, and the production efficiency height makes refuse become regenerated resources, the market best seller that become of many uses. Remarkable in economical benefits has promotional value.
Claims (6)
1, a kind of being used for produced the method for laminated bonding paper board for packing containers by reclaiming waste product, it is characterized in that with the waste cotton fiber being that the low tightness page made of main raw material is after multilayer is overlapping, with the infiltration of water-soluble mixed viscose agent spray, adopt heavy hot press (10) to make high temperature, HIGH PRESSURE TREATMENT again, obtain the tough paper board for packing containers of taking into account of different-thickness at last, wherein cardboard simultaneously is a fine cloth line shape, and the another side light is level and smooth.Suitable to processing modes such as mold pressing and industrial sewings, make the skeleton structure of some products.Also can make other paper wood by retrofit.
2, according to the processed process of claim 1, wherein be that the feature of the low tightness page of main raw material manufacturing is with the waste cotton fiber, the tightness scope is the 0.5-0.6 gram per centimeter
3, and in the form of a roll.
3, according to the processed process of claim 1, wherein best hot pressing condition is
Pressure: 30-40 kilograms per centimeter
2
Temperature: 151-155 ℃
Time: 15-20 minute
4, according to the processed process of claim 1, wherein hot press (10) hot plate interlayer arrangement (from top to bottom) is characterized in that: (42) are that 65 orders/inch copper mesh, (44) are corrosion resistant plate for slab, (45) for polyester film, (46) for corrosion resistant plate, (43).Go out machine sheet material and simultaneously be fine cloth line shape, another side is then smooth smooth.
5, according to the processed process of claim 1, wherein the feature of the tough paper board for packing containers of different-thickness is, the tightness scope is the 1-1.1 gram per centimeter
3
6, according to the processed process of claim 1, wherein except that after adopting multiple ply dheet overlapping, outside the method for water-soluble epoxy glue stick spray infiltration, also can adopt monolayer sheet to go up and reel, and spray the method for infiltration continuously with water-soluble mixed glue at paper wrapping cylinder (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88105390 CN1036059A (en) | 1988-03-24 | 1988-03-24 | Paper board for packing containers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88105390 CN1036059A (en) | 1988-03-24 | 1988-03-24 | Paper board for packing containers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1036059A true CN1036059A (en) | 1989-10-04 |
Family
ID=4833587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88105390 Pending CN1036059A (en) | 1988-03-24 | 1988-03-24 | Paper board for packing containers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1036059A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100345680C (en) * | 2005-02-06 | 2007-10-31 | 威盛亚（上海）有限公司 | Double-resistance plate and its manufacturing method |
| CN105882196A (en) * | 2016-04-15 | 2016-08-24 | 李宾 | Making method of bookmark resistant to worm ingestion |
-
1988
- 1988-03-24 CN CN 88105390 patent/CN1036059A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100345680C (en) * | 2005-02-06 | 2007-10-31 | 威盛亚（上海）有限公司 | Double-resistance plate and its manufacturing method |
| CN105882196A (en) * | 2016-04-15 | 2016-08-24 | 李宾 | Making method of bookmark resistant to worm ingestion |
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