CN1092355A - Strengthen corrugated board and manufacture method thereof - Google Patents
Strengthen corrugated board and manufacture method thereof Download PDFInfo
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- CN1092355A CN1092355A CN 93102041 CN93102041A CN1092355A CN 1092355 A CN1092355 A CN 1092355A CN 93102041 CN93102041 CN 93102041 CN 93102041 A CN93102041 A CN 93102041A CN 1092355 A CN1092355 A CN 1092355A
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- corrugated board
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Abstract
The present invention relates to a kind of enhancing corrugated board and manufacture method thereof, especially refer to a kind of in general corrugating medium at the corrugation rolling wheel before roll forming, other adds one deck core paper and accompanies a thermoplastic film in the centre of two core papers, and in the spreading process, heat at the corrugation rolling wheel, make the thermoplastic fusion and two core papers of fitting, or make in advance and strengthen core paper gaining in strength fiber on the core paper is bonding, and be shaped to the enhancing core paper of wave-like.This strengthens core paper after being corrugated board with upper and lower faces paper is adhesion-molded, can make original structure intensity improve several times.
Description
The present invention relates to a kind of corrugated board and manufacture method thereof, refer to a kind of corrugated board and manufacture method thereof of enhancing especially.
The carton made from corrugated board, it is purposes packing container the most widely, packing of general electrical appliance, small-sized machine, part or the like all needs to pack by corrugated board, mainly be that the invar corrugated paper board is made through the corrugated sheet machine by paper material, the structural strength and the durability that have general paper not have, so the carton of planting the corrugated board manufacturing is except that having the sturdy and durable performance of guaranteeing product safety, also can make packing more exquisite, especially quantity consumed is quite surprising in the packing of product of selling inside and outside, and occupies considerable status.
The material of corrugated board in the past is made up of facial tissue and core paper, and core paper is made with the semichemical wood pulp (S.C.P) of broad-leaved wood chip, has best physical strength, but in recent years because the Waste Paper Handling technology is very flourishing, for the body paper of the low-cost corrugated board of begging to surrender all adopts the waste paper of recovery to make, on the one hand can twice laid, can eliminate public hazards again on the other hand, yet the strength ratio of the body paper made from waste paper reduces greatly with the intensity of the made body paper of general paper pulp.Therefore, research department is devoted to improve the intensity of waste paper, paper pulp, corrugated paper with great concentration, and its method all is partial to add various chemicals (paper power reinforcing agent), and does not directly do significantly to change on physical arrangement.
As shown in Figure 3, be traditional Corrugating Machine manufacturing process schematic diagram, its manufacture method mainly adopts will make tubular paper wheel, wherein core paper is rolled into wavy through two gear-like and the moving corrugation rolling wheel 11,12 of mutual tooth on the core paper wheel 1, and establish heater in these two corrugated rolling wheel 11,12 places, and be provided with in a side of corrugation runner 12 and contain paste in the paste groove 13, stir with two runners 14,15, wherein runner 14 contacts with the gear teeth of corrugation rolling wheel 12, in order to paste is coated on the crest of core paper; One facial tissue wheel 2 is then also carried facial tissue the side through corrugation rolling wheel 12, make with core paper and combine, core paper after combination is established another paste groove 13 and two runners 14,15 again in the appropriate location, make the another side crest of core paper contact paste with rolling wheel 14, taken turns by another facial tissue wheel 3 and send facial tissue and core paper to fit, it is firm that process heating plate 16 typings are simultaneously fitted core paper and upper and lower facial tissue.Again after cooling end 17 cooling, and finish the manufacturing of corrugated board.
Above-mentioned corrugated board adopts the existing modal three-decker of carton, promptly by accompanying one deck core paper in two facial tissues, and core paper wherein is the principal element of decision paper board strength, certainly the structural strength of corrugated board is good more, can provide safer guarantee to the packaging article, and three-decker is still disliked insufficient strength to the packing of some article, therefore five layers even seven layers of corrugated structure are also arranged, but it is many that its shortcoming is that thickness increases, make the volume increasing and be unfavorable for packing, transportation, and cost is greatly increased, and, in the drying and shaping process of moulding in the end, make mid portion be difficult for oven dry because the number of plies is too many, therefore the applying weak effect makes its intensity be difficult to reach requirement; Moreover also have core paper is replaced with the PVC material, yet PVC and plane paper can't be bonding, must could fit by expensive adhesive, cause the too high influence of cost, so still exist many shortcomings to be overcome that have.
In order to overcome above-mentioned the deficiencies in the prior art, main purpose of the present invention is to provide a kind of enhancing corrugated board and manufacture method thereof, makes the mutual corrugated paper board of enhancing have best structural strength.
Purpose of the present invention can reach by following measures:
Enhancing corrugated board of the present invention is to be made of upper and lower two-layer facial tissue and middle one deck core paper, and core paper wherein is to adopt two-layer or two-layer above core paper, and accompanies one deck thermoplastic film between each layer core paper.
Described thermoplastic is polyethylene, polypropylene or polyvinyl chloride and polystyrene, and its fusing point is advisable person below 200 ℃.
Manufacturing of the present invention strengthens the manufacture method of corrugated board, comprise the steps: in corrugation rolling wheel spreading process, fusing point is fitted at thermoplastic's film below 200 ℃ and the hot pressing of each layer core paper, make its fusing and fit on two core papers, the core paper that makes its formation have stereochemical structure and strengthen is fitted by core paper that strengthens and facial tissue and is made the enhancing corrugated board.
Described hot pressing is fitted and adopted hot pressing temperature is that 120 ℃～150 ℃, hot pressing time are under 5～20 seconds conditions, in corrugated paper machine manufacturing corrugated board process, core paper and thermoplastic film are heated applying at corrugation wheel place, make it once finish hot pressing applying process.Also can establish firing equipment in addition, under these conditions, make the enhancing core paper in advance, make the enhancing corrugated board with the corrugated paper machine again.
The present invention adopts the manufacture method that strengthens corrugated board and makes the enhancing corrugated board.
In sum, the present invention compared with prior art has following advantage:
When core paper of the present invention is pressed into corrugation by the Corrugating Machine rolling wheel, has the go to pot fiber of fracture of core paper itself is engaged the characteristic of regeneration again.Strengthen core paper with after upper and lower facial tissue is fitted into corrugated board, make the thermoplastic sclerosis, obtain best structural strength through cooling.And this kind structure can reduce the thickness of core paper consumption and five layers or seven-layer structure, can reduce cost greatly in packing or transportation.
In order to realize technical scheme of the present invention, below in conjunction with accompanying drawing and test verification result, the invention will be further described.
Brief Description Of Drawings:
Fig. 1 is a corrugated board manufacturing process schematic diagram of the present invention.
Fig. 2 is the corrugated board structure schematic diagram.
Fig. 3 is the schematic flow sheet of corrugated paper machine manufacturing in the past.
As shown in Figure 1, structure of the present invention mainly is the enhancing (core paper that adopts the inventive method to make of core paper, be and strengthen core paper), be that traditional corrugated paper machine is established core paper wheel 4 in addition in the appropriate location, add that original core paper wheel 1 forms two-layer equation, and in two core papers wheel 1, establish a thermoplastic film for 4 and take turns 5, being sent to corrugation rolling wheel 11 respectively makes and is integrated, and utilize corrugation rolling wheel 11,12 hot pressing is rolled over into wavy, and the thermoplastic fusing is bonded together with two core papers, make core paper coating paste bonding with facial tissue again, add heat setting by heating plate 16, again through the synthetic corrugated paper of cooling end 17 cooling, perhaps can be in advance with two-layer core paper after the centre accompanies one deck thermoplastic and makes enhancing core paper of the present invention, utilize traditional corrugation machine to make the enhancing corrugated board again; As for thermoplastic film's manufacture method, make film to blow bag, or T type film lip system film is all suitable.
On this kind structure makes, the core paper of following facial tissue institute double team, in fact have double-deck core paper and fit with an extremely thin thermoplastic plastic membrane, this thermoplastic is fusible and two core papers are fitted fully when high temperature, simultaneously that the broken fiber on the core paper is bonding, promptly this thermoplastic infiltrated and fills each interfibrous gap in moment, make and strengthen the difficult moisture that absorbs of core paper, and semi-permanent structural strength arranged, and after hardening by cooling, can promote intensity greatly, and after the thermoplastic cooling, recover its hard material characteristic again, therefore, body paper with same quality, make general corrugated board and enhancing corrugated board of the present invention and various carton simultaneously and come its various physical strengths of comparison, promptly the present invention strengthens the special-effect of corrugated board as can be known, and its test method is for using B level 280g/M
2Kraft liner (facial tissue) and 115g/M
2Thermoplastic film (the 13.8g/M that core paper and 0.015mm are thick
2) come processing and manufacturing corrugated board and carton.Shown in Fig. 2-2, enhancing corrugated board of the present invention is B280g/M
2Two layers of (facial tissue L) 115g/M of kraft liner
2Core paper M
2(A) wave 2 layers with thermoplastic film by the adhesion medium formed (usefulness B280 * 115
2* B280 represents), shown in Fig. 2-1, general corrugated board is that double-deck (5 layers) corrugated board is with B280g/M
22 layers of (facial tissue L) 115g/M of kraft liner
2Core paper M(A), M(B) wave 2 layers, 115g/M
2Core paper one deck (middle facial tissue M(L)) forms (with B280 * 115
2* B280 represents).So relatively during these the two kinds body paper use amounts of forming corrugated boards, as seen the former is than the few one deck 115g/M of the latter
2Core paper.
Now details are as follows with the result of the test of various processes:
B280 kraft liner (facial tissue) and 115g/M
2Core paper is made the result of bursting strength test (Bursting test), and is as shown in table 1:
The rupture strength of table 1 facial tissue and core paper relatively
Again just to 115g/M
2Core paper is done ring crush intensity (Ring Crush) test, and result of the test is as shown in table 2:
Table 2: the ring crush intensity of core paper
Therefore, with regard to two core papers, its ring crush intensity is 8.7kg/cm
2+ 8.7kg/cm
2=17.4kg/cm
2, be 115g/M and strengthen core paper (promptly adding the 0.015mm thermoplastic)
2+ 0.015mm+115g/M
2Ring crush intensity after tested, result of the test is as shown in table 3:
Table 3: the ring crush intensity that strengthens core paper compares
By the ring crush intensity (Ring Crush) that strengthens core paper shown in the table 3 is 29.4kg/cm
2With the ratio of general two layers of core paper 17.4kg be 1.66:1; Superiority that can obvious its structure.
Just strengthen corrugated board again and do one relatively with general corrugated board; General five-layers corrugated fiberboard is shown in Fig. 2-1, with B280g/M
2* 115
3G/M
2* B280g/M
2Represent that the unrestrained type of its core paper is M(A) wave, (flute) and M(B) wave (flute); And enhancing corrugated board such as Fig. 2-2 are depicted as B280g/M
2* 115
2G/M
2* B280g/M
2, and core paper (M
2) unrestrained type be A wave (flute), test its rupture strength (Bursting Strength), flat intensity (Flute Crush) and perpendicular pressure degree (Column), result of the test is shown in table 4, table 5, table 6:
The rupture strength that table 4 strengthens corrugated board and general corrugated board compares
The concora crush strength ratio of table 5 enhancing corrugated board and general corrugated board
The perpendicular pressure degree that table 6 strengthens corrugated board and general corrugated board compares
In the above-mentioned table, rupture strength mainly is to provide intensity by facial tissue, and strengthen corrugated board is upper and lower two-layer facial tissue, poor slightly than centre many double teams one deck facial tissue of five-layers corrugated fiberboard, and strengthen corrugated board in one of concora crush intensity is 3.77 times of five-layers corrugated fiberboard, in one of perpendicular pressure degree, both are more or less the same at intensity.
In addition, by the made carton of corrugated board, also can be by strengthening its compressive resistance test of making comparisons of carton and general five layers of corrugated case, wherein, strengthening the carton core paper is with M(A) wave (Flute) manufacturing, and five layers of corrugated structure core paper are adopted M(A) and M(B) wave (Flute) manufacturing, that is: enhancing B280 * 115
2* B280
General B280 * 115
3* B280
When comparing with the carton that is of a size of 300mm * 300mm, result of the test is as shown in table 7:
The compressive resistance that table 7 strengthens corrugated case and general corrugated case compares
As seen adding of the present invention thermoplastic film's carton on compressive resistance, the enhancement intensity function that tool is good.
Certainly, may influence the compressive resistance factor of corrugated board, also have the temperature and the heat time heating time of hot-forming fusing thermoplastic plastics and core paper to concern, this factor can be synthesized enhancing core paper do strength test through 5～20 seconds thermocompression bonded at ring pressure degree (Ring Crush) by following table under 120 °～150 ℃ temperature, result of the test is as shown in table 8:
As table 8 as seen, strengthening core paper and hot pressing temperature and there is no absolute relation, is to adjust (general fusing point is about below 200 ℃) with the fusing point height of thermoplastic; And its thermoplastic film of top demonstration is preferable with the heating and temperature control of 0.015mm thickness at 140 °～150 ℃, and gets over changqiang degree better (being posted solid in hardening by cooling behind two cores again even the thermoplastic film can be melted fully) heat time heating time.
And the thermoplastic film utilizes its thermoplasticity in this process, heat fused and two core papers are fitted fully, and infiltrate in the core paper fiber, more the fiber of core paper is reintegrated, make the fiber of regeneration tool high strength toughness, form high-intensity enhancing core paper in cooling after-hardening and two core papers, be combined into the enhancingization corrugated board with two facial tissues again, exceed about 3 times and make the more original three-layer type corrugated structure of corrugated case intensity with this, and also than five-layer structure intensity height, and reduce weight and thickness, in transportation, can economize many costs.
Claims (8)
1, a kind of enhancing corrugated board is to be made of upper and lower two-layer facial tissue and middle one deck core paper, it is characterized in that: described core paper adopts two-layer or two-layer above core paper, and accompanies one deck thermoplastic film between each layer core paper.
2, enhancing corrugated board as claimed in claim 1 is characterized in that: described thermoplastic is polyethylene, polypropylene or polyvinyl chloride and polystyrene, and its fusing point is advisable person below 200 ℃.
3, a kind of manufacture method that strengthens corrugated board, it is characterized in that it comprises following steps: in corrugation rolling wheel spreading process, described thermoplastic film and the hot pressing of each layer core paper are fitted, make its fusing and fit on two core papers, the core paper that makes its formation have stereochemical structure and strengthen is fitted by core paper that strengthens and facial tissue and is made the enhancing corrugated board.
4, the manufacture method of enhancing corrugated board as claimed in claim 3, it is characterized in that: it is to make in the corrugated board process at the corrugated paper machine that described hot pressing is fitted, core paper and thermoplastic film carry out hot pressing and fit at corrugation wheel place, make it once finish hot pressing applying process.
5, the manufacture method of enhancing corrugated board as claimed in claim 3 is characterized in that: described hot pressing is fitted, and also can establish hot-press equipment in addition, makes the enhancing core paper in advance, makes the enhancing corrugated board with the corrugated paper machine again.
6, the manufacture method of enhancing corrugated board as claimed in claim 4 is characterized in that: described hot pressing binding temperature is that 120～150 ℃, hot pressing time are 5～20 seconds.
7, the manufacture method of enhancing corrugated board as claimed in claim 5 is characterized in that: described hot pressing binding temperature is that 120～150 ℃, hot pressing time are 5～20 seconds.
8, the enhancing corrugated board made of the manufacture method of the enhancing corrugated board described in one of a kind of usefulness such as claim 3～7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93102041 CN1092355A (en) | 1993-03-12 | 1993-03-12 | Strengthen corrugated board and manufacture method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93102041 CN1092355A (en) | 1993-03-12 | 1993-03-12 | Strengthen corrugated board and manufacture method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1092355A true CN1092355A (en) | 1994-09-21 |
Family
ID=4983923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93102041 Pending CN1092355A (en) | 1993-03-12 | 1993-03-12 | Strengthen corrugated board and manufacture method thereof |
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| Country | Link |
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| CN (1) | CN1092355A (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102205550A (en) * | 2011-03-22 | 2011-10-05 | 武汉大学 | Stone paper corrugated board and manufacturing method thereof |
| CN103358598A (en) * | 2013-07-20 | 2013-10-23 | 李涛 | Novel inorganic fiber paper forming corrugated machine |
| CN105416755A (en) * | 2015-11-28 | 2016-03-23 | 无锡飞环包装器材有限公司 | Double-layer waterproof corrugated carton |
| CN106427064A (en) * | 2016-08-15 | 2017-02-22 | 长兴县泗安民丰彩印厂 | Laminating corrugated board production line and technical process thereof |
| CN109219681A (en) * | 2016-04-01 | 2019-01-15 | 斯高堡德有限责任公司 | Make the system and method with the couch board of Corrugated media and convex print medium |
| CN109732991A (en) * | 2018-12-28 | 2019-05-10 | 武汉积墨包装印刷有限公司 | A kind of corruggted wrapping case hot-press solidifying method |
| CN110139750A (en) * | 2016-07-27 | 2019-08-16 | 加拿大克瑞文股份有限公司 | Composite plate members and forming method thereof |
| CN111421900A (en) * | 2020-03-31 | 2020-07-17 | 徐盼盼 | Corrugated board manufacturing and processing technology |
| US10800133B2 (en) | 2016-04-20 | 2020-10-13 | Scorrboard, Llc | System and method for producing a facing for a board product with strategically placed scores |
| US11001027B2 (en) | 2013-03-15 | 2021-05-11 | Scorrboard Llc | Methods and apparatus and systems for establishing a registered score, slit or slot in a corrugated board, and articles produced there from |
| US11027513B2 (en) | 2016-04-20 | 2021-06-08 | Scorrboard Llc | System and method for producing an articulating board product having a facing with score lines in register to fluting |
| US11027515B2 (en) | 2016-04-20 | 2021-06-08 | Scorrboard Llc | System and method for producing multi-layered board having at least three mediums with at least two mediums being different |
| CN114481705A (en) * | 2020-03-30 | 2022-05-13 | 台湾龙盟复合材料股份有限公司 | Waterproof corrugated paper |
| CN114889300A (en) * | 2022-05-18 | 2022-08-12 | 上海翔图纸品有限公司 | Corrugated board and processing technology thereof |
| US11420418B2 (en) | 2013-03-15 | 2022-08-23 | Scorrboard Llc | Methods and apparatus for producing scored mediums, and articles and compositions resulting there from |
| US11446893B2 (en) | 2016-04-20 | 2022-09-20 | Scorrboard Llc | System and method for producing a multi-layered board having a medium with improved structure |
-
1993
- 1993-03-12 CN CN 93102041 patent/CN1092355A/en active Pending
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102205550A (en) * | 2011-03-22 | 2011-10-05 | 武汉大学 | Stone paper corrugated board and manufacturing method thereof |
| US11001027B2 (en) | 2013-03-15 | 2021-05-11 | Scorrboard Llc | Methods and apparatus and systems for establishing a registered score, slit or slot in a corrugated board, and articles produced there from |
| US11420417B2 (en) | 2013-03-15 | 2022-08-23 | Scorrboard Llc | Methods and apparatus for producing scored mediums, and articles and compositions resulting therefrom |
| US11420418B2 (en) | 2013-03-15 | 2022-08-23 | Scorrboard Llc | Methods and apparatus for producing scored mediums, and articles and compositions resulting there from |
| CN103358598A (en) * | 2013-07-20 | 2013-10-23 | 李涛 | Novel inorganic fiber paper forming corrugated machine |
| CN103358598B (en) * | 2013-07-20 | 2016-06-29 | 李涛 | Novel inorganic fibrous paper molding Corrugating Machine |
| CN105416755A (en) * | 2015-11-28 | 2016-03-23 | 无锡飞环包装器材有限公司 | Double-layer waterproof corrugated carton |
| CN109219681A (en) * | 2016-04-01 | 2019-01-15 | 斯高堡德有限责任公司 | Make the system and method with the couch board of Corrugated media and convex print medium |
| US11446893B2 (en) | 2016-04-20 | 2022-09-20 | Scorrboard Llc | System and method for producing a multi-layered board having a medium with improved structure |
| US10800133B2 (en) | 2016-04-20 | 2020-10-13 | Scorrboard, Llc | System and method for producing a facing for a board product with strategically placed scores |
| US11027513B2 (en) | 2016-04-20 | 2021-06-08 | Scorrboard Llc | System and method for producing an articulating board product having a facing with score lines in register to fluting |
| US11027515B2 (en) | 2016-04-20 | 2021-06-08 | Scorrboard Llc | System and method for producing multi-layered board having at least three mediums with at least two mediums being different |
| US11465386B2 (en) | 2016-04-20 | 2022-10-11 | Scorrboard, Llc | Method for producing multi-layered board having at least three mediums with at least two mediums being different |
| US11465385B2 (en) | 2016-04-20 | 2022-10-11 | Scorrboard Llc | System and method for producing a facing for a board product with strategically placed scores |
| US11458702B2 (en) | 2016-04-20 | 2022-10-04 | Scorrboard, Llc | System and method for producing multi-layered board having at least three mediums with at least two mediums being different |
| CN110139750A (en) * | 2016-07-27 | 2019-08-16 | 加拿大克瑞文股份有限公司 | Composite plate members and forming method thereof |
| CN106427064A (en) * | 2016-08-15 | 2017-02-22 | 长兴县泗安民丰彩印厂 | Laminating corrugated board production line and technical process thereof |
| CN109732991A (en) * | 2018-12-28 | 2019-05-10 | 武汉积墨包装印刷有限公司 | A kind of corruggted wrapping case hot-press solidifying method |
| CN114481705A (en) * | 2020-03-30 | 2022-05-13 | 台湾龙盟复合材料股份有限公司 | Waterproof corrugated paper |
| CN111421900A (en) * | 2020-03-31 | 2020-07-17 | 徐盼盼 | Corrugated board manufacturing and processing technology |
| CN111421900B (en) * | 2020-03-31 | 2021-07-20 | 泰州市源鑫包装有限公司 | Corrugated board manufacturing and processing technology |
| CN114889300A (en) * | 2022-05-18 | 2022-08-12 | 上海翔图纸品有限公司 | Corrugated board and processing technology thereof |
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