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CN1629401A - Carrier tape base paper and carrier tape - Google Patents

Carrier tape base paper and carrier tape Download PDF

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Publication number
CN1629401A
CN1629401A CN 200410031888 CN200410031888A CN1629401A CN 1629401 A CN1629401 A CN 1629401A CN 200410031888 CN200410031888 CN 200410031888 CN 200410031888 A CN200410031888 A CN 200410031888A CN 1629401 A CN1629401 A CN 1629401A
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China
Prior art keywords
article
carrying belt
paper
belt body
body paper
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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.)
Granted
Application number
CN 200410031888
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Chinese (zh)
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CN1629401B (en
Inventor
高桥宏人
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Daio Paper Corp
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Daio Paper Corp
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Filing date
Publication date
Application filed by Daio Paper Corp filed Critical Daio Paper Corp
Publication of CN1629401A publication Critical patent/CN1629401A/en
Application granted granted Critical
Publication of CN1629401B publication Critical patent/CN1629401B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The invention provided carrier tape base paper which little changes the paper thickness and does not deteriorate operation efficiency. This carrier tape raw paper has a mass change rate: CV{=[SPA(g)-SPB(g)]/SB(g)*100} of <20 mass%, wherein, SPA is a mass after cutting the carrier tape base paper into a 8.0*150 mm piece, adhering 20[mu]m-thick polyester films to both the whole sides of the obtained test piece and then immersing the adhered test piece in 23[deg.]C distilled water under a condition having a humidity of 50% RH; SPB is a mass before immersing in the distilled water; SB is the mass of the test piece.

Description

Article-carrying belt body paper and article-carrying belt
Technical field
The present invention relates to article-carrying belt body paper and article-carrying belt.For example, article-carrying belt and the article-carrying belt body paper thereof that uses when part is transported to surface mounting apparatus installed on the surface that relates to the shaped like chips of using in the time will making electronic circuit.
Background technology
Directly be installed to and carry out the surface on the circuit board surface when installing the surface being installed part (electronic component), use so-called article-carrying belt.Article-carrying belt had in the past with the article-carrying belt body paper be cut into 8mm wide, form to connect poroid limit portion and form and connect " embossing article-carrying belt " that " the punching article-carrying belt " that poroid die cavity portion obtains and the die cavity portion that forms the embossing shape obtain etc.
When the surface being installed part and is accommodated on this article-carrying belt, for example, in the occasion of punching article-carrying belt, then through as shown in Figure 1 operation.
That is, at first, pull out article-carrying belt 2, for example, have with the tail band 3 that constitutes by tissue paper etc. of the insulation aspect of heat fusing by with the inside of such as heat-sealing such as heater meanses such as hot plate 5 grades at article-carrying belt 2 from the spool 1 that is wound with article-carrying belt 2.Seal the die cavity portion 8,8 of article-carrying belt 2 thus ... the bottom surface.Then, the article-carrying belt 2 that has sealed this tail band 3 is inserted into the clearance portion of part accommodation device (so-called element dispenser device) 11, in this clearance portion, part is installed on the surface and be accommodated in die cavity portion 8,8 ... in.And, after taking in, seal immediately on the surface of article-carrying belt 2 and to be with 4, sealing die cavity portion 8,8 ... end face.Enclose the article-carrying belt 2 of (having taken in) surperficial installation part, after the clearance portion of passing part accommodation device 11, be wound onto on boxlike spool 7 or the paper tube etc., prepare to dispatch from the factory.
, in recent years, the high speed of part is installed, is become carrying out under the high temperature more than 200 ℃ by the work of heat-sealing tail bands 3 such as heater means 5 that (heat-sealing temperature in the past is about 160~180 ℃ along with enclosing the surface.)。Under heat-sealing temperature in the past, shortage of heat can produce local bonding bad phenomenon, thereby might produce the surface phenomenon that part comes off is installed.But, then many if at high temperature seal tail band 3 from the quantitative change of article-carrying belt 2 moisture evaporated, this moisture as dewfall attached in the support slot 10 of the supporting member 6 of supporting article-carrying belt 2 or near it.And, if this dewfall reaches to a certain degree amount, in the future attached on the article-carrying belt 2, be penetrated in the article-carrying belt 2 thick the because swelling of the paper that causes article-carrying belt 2 and thickening.On the other hand, make that the clearance portion of part accommodation device 11 is extremely narrow and small, be about 1.2 times of the thickness of article-carrying belt 2.This is to be accommodated in die cavity portion 8,8 reliably in order the surface to be installed part ..., or in order to make the die cavity portion 8,8 that is accommodated in ... in the surface part is installed can not be flown out.Therefore, if article-carrying belt 2 thickenings, then the part of this thickening is blocked by the clearance portion of part accommodation device 11, have to stop operation.In addition, though stop operation termly this moment, by removing dewfall, can prevent that article-carrying belt 2 from being blocked by clearance portion, even like this, the result also has been the operating efficiency variation.Particularly make for the flexibility that keeps article-carrying belt moisture than normal conditions height, for example in the occasion that is set at quality about 8.5~10.5% (for example, with reference to patent documentation 1.), just become big problem.
[patent documentation 1] Japanese patent gazette spy opens flat 3-249300 number
Summary of the invention
The problem to be solved in the present invention is to provide article-carrying belt body paper and the article-carrying belt that the thick variation of a kind of paper is little, can not make the operating efficiency variation.
The present invention who addresses the above problem is as follows:
The content that technical scheme is put down in writing
The feature of article-carrying belt body paper is: with the mass change CV of following (a) formula definition less than 20 quality %.
CV[quality %]=(SPA[g]-SPB[g])/SB[g] * 100
At this, SPA be with thickness be the polyester film of 20 μ m stick on whole two surfaces that the article-carrying belt body paper is cut into the test piece that 8.0 * 150mm obtains go up, in the quality of dipping after 2 hours under the condition of humidity 50%RH, in 23 ℃ distilled water, SPB is the quality before the dipping in distilled water, and SB is the quality of test piece.
The content that technical scheme 2 is put down in writing
The article-carrying belt body paper that technical scheme 1 is put down in writing, paper is thick to be 0.3mm or more than the 0.3mm.
The content that technical scheme 3 is put down in writing
The article-carrying belt body paper that technical scheme 1 or technical scheme 2 are put down in writing, test piece (test piece is for to be cut into 8.0 * 150mm with the article-carrying belt body paper according to Nippon Standard JIS P 8125.) rigidity at 40mNm or following.
The content that technical scheme 4 is put down in writing
Any 1 article-carrying belt body paper of being put down in writing of technical scheme 1~3 is made acid multilayer and is copied paper, and adds the rosin series packing agent in the middle level; Or make neutral multilayer and copy paper, and add the alkyl ketene dimer packing agent in the middle level, wherein 100 mass fractions of the relative absolute dried paper pulp of mass fraction of packing agent are 0.15~0.75.
The content that technical scheme 5 is put down in writing
Any 1 article-carrying belt body paper of being put down in writing of technical scheme 1~4, on the top layer and one deck at least of nexine add rosin series packing agent or alkyl ketene dimer packing agent, 100 mass fractions of the relative absolute dried paper pulp of packing agent mass fraction are 0.03~0.05.
The content that technical scheme 6 is put down in writing
The feature of article-carrying belt is: be formed with the poroid die cavity portion that connects on any 1 article-carrying belt body paper of being put down in writing of technical scheme 1~5.
According to the present invention, little for the thick variation of paper, as can not make the operating efficiency variation article-carrying belt body paper and article-carrying belt.
Description of drawings
Fig. 1 installs the schematic diagram that part is accommodated in the operation on the article-carrying belt with the surface.
The specific embodiment
Below embodiments of the present invention are described.
[article-carrying belt body paper]
The article-carrying belt body paper of present embodiment, with the mass change CV of following (a) formula definition less than 20 quality %.
CV[quality %]=(SPA[g]-SPB[g])/SB[g] * 100
At this, SPA be with thickness be the polyester film of 20 μ m stick on the article-carrying belt body paper is cut into the test piece that 8.0 * 150mm obtains two surfaces on the whole, in the quality of dipping after 2 hours under the condition of humidity 50%RH, in 23 ℃ distilled water, SPB is the quality before the dipping in distilled water, and SB is the quality of test piece.
As previously discussed, if dewfall is attached on the article-carrying belt and be penetrated in the article-carrying belt, the article-carrying belt thickening perhaps can be stuck in the clearance portion of part accommodation device.Therefore, in order to prevent the appearance of such phenomenon that is stuck, in the time of also can considering to use in impregnated in distilled water, according to the article-carrying belt body paper of Nippon Standard JIS P variation 8118, thickness in prescribed limit.But, the test method of regulation is that the pressure that adds 50kPa or 100kPa is tested among the Nippon Standard JIS P 8118, thereby because the words that the article-carrying belt body paper infilters as if moisture, meeting swelling, flexibility increase, break owing to pressure can produce, so produce error.Therefore, though the article-carrying belt body paper according to the variation of the thickness of Nippon Standard JIS P 8118 in prescribed limit, also perhaps can be stuck in the clearance portion of part accommodation device by the article-carrying belt of such article-carrying belt body paper manufacturing.Therefore, research is which type of its article-carrying belt of article-carrying belt body paper can jammed result of study not obtain article-carrying belt body paper of the present invention reliably in the clearance portion of part accommodation device.
At first, the article-carrying belt body paper is cut into 8.0 * 150mm and obtains test piece.Why thinking to make cutting be of a size of 8.0 * 150mm, be with the dewfall generation area is onesize and can specify the article-carrying belt body paper more exactly, is because the width of article-carrying belt is 8.0mm, finds to produce about 150mm dewfall.
In addition, the inventor just studied repeatedly, found that dewfall is mainly from the cross section, particularly permeate from the cross section of limit portion and die cavity portion.Therefore, on whole of two surfaces of test piece, paste the polyester film of 20 μ m, make it mainly produce infiltration from the cross section of test piece.
Pasted the test piece of polyester film, under the condition of humidity 50%RH, dipping is 2 hours in 23 ℃ distilled water.Using distilled water is because the dewfall that is penetrated in the article-carrying belt is a distilled water, can use the distilled water of selling on the market as distilled water.
Based on above reason, the inventor changes the mass change CV of usefulness above-mentioned (a) the formula definition that causes owing to dipping, tests repeatedly, and the result learns, if mass change CV less than 20%, then can not produce the phenomenon that article-carrying belt is stuck in the clearance portion of part accommodation device.This can think if mass change CV less than 20%,, that is to say that the thickness deficiency behind this thickening is 1.2 times of thickness originally even then because dewfall has been soaked into the article-carrying belt thickening, also do not reach the distance in the gap of part accommodation device.
If article-carrying belt of the present invention particularly if paper is thick more than 0.3mm, is then compared with existing article-carrying belt, avoid the difference of jammed effect to become big.This can think because if paper is thick more than 0.3mm, then the sectional area of limit portion and die cavity portion becomes big, the cause that dewfall is more prone to permeate.
In addition, in the present invention, (test piece is cut into 8.0 * 150mm with the article-carrying belt body paper and makes based on Nippon Standard JIS P 8125 in test piece.) rigidity, 40mNm or following preferably, 30mNm or following better.If rigidity above 40mNm, then after enclosing surface installation part, in the time of on being wound on boxlike spool 7 or paper tube etc., produces so-called fold, might the next problem of projection in the appearance with 4.On with the 4 convex surfaces that become the reason that part comes off is installed.Be cut into article-carrying belt body paper before the test piece of 8.0 * 150mm (size of test piece is also according to Nippon Standard JIS P 8125 according to Nippon Standard JIS P 8125.) rigidity be 115mNm or following.
Below, the manufacture method of article-carrying belt body paper discussed above is described.
At first, raw material as the article-carrying belt body paper, can use with for example wood pulp, old paper stock, non-wood pulp, synthetic paper-pulp etc., more particularly, can use with broad leaf trees such as coniferous trees such as pesudotsuga taxifolia, pine, Chinese fir, pine tree, eucalyptus, toothed oak trees to be the kraft pulp (KP) of main raw material, semichemical wood pulp (SCP), wood fragments paper pulp (GP), chemimechanical pulp (CGP), chip groundwood (RGP), de inked pulp (DIP), waste material paper pulp (WP) etc.But from the surface being installed this viewpoint that influences of part, filler for well, therefore, is compared with de inked pulp (DIP), waste material paper pulp old paper stocks such as (WP) less, preferably uses original paper pulp.
In addition, the article-carrying belt body paper both can be 1 layer, also can be 2 layers, 3 layers, the multilayer more than 4 layers or 4 layers.But, from the infiltrative viewpoint of moisture (dewfall) of control cross-section, preferably multilayer (copying paper).If copy into multilayer, then can be added on the middle level and also can be added on top layer and nexine, or not add etc. and to control having the medicine that suppresses the moisture penetration effect with the cooperation lower than the middle level.
As having the system paper medicine that suppresses the moisture penetration effect, can from anti-hydrated agents such as paper power reinforcing agents such as for example compounds such as rosin series compound, alkyl ketene dimer, styrene maleic acid, alkenyl succinic anhydride, polyacrylamide system, oxidized starch, cationic starch, polyamide polyamine chloropropylene oxide etc., suitably select use more than a kind or 2 kinds.But, in the occasion that acidity is copied paper, preferably use the effective rosin series compound of a spot of inhibition moisture penetration, in the occasion that neutrality is copied paper, preferably use alkyl ketene dimer (AKD) compound.
Though compound both can in add in raw material, also can after copying paper, apply or flood (outside add), add in preferably.The article-carrying belt body paper, 8mm is wide to be used if consider to be cut into, and then why no matter the article-carrying belt body paper is in what plan-position, the moisture permeable of cross-section all must be evenly, be because under the situation of adding outside, medicine can not be penetrated into inside equably, might make the moisture permeable in cross section inhomogeneous.
Be that acid multilayer is copied paper and the rosin series compound is added on the occasion in middle level, or be that neutral multilayer is copied paper and the alkyl ketene dimer packing agent is added on the occasion in middle level, interior tret is absolute dried paper pulp mass fraction 100 (quality that comprises top layer and nexine) and 0.15~0.75 mass fraction relatively preferably.If mass fraction less than 0.15, then can not obtain to suppress fully the effect of moisture penetration.Even mass fraction is more than 0.75, culminate owing to suppress the moisture penetration effect, thus the economy variation, and become the reason of paper manufacturing systems internal contamination.In addition, on the top layer or the nexine occasion of adding compound, use rosin series compound or alkyl ketene dimer compound, and the relative absolute dried paper pulp mass fraction 100 of tret (quality that comprises top layer and nexine) accounts for 0.03~0.05 mass fraction in preferably making.Because top layer and nexine also have the cross section, so preferably make it have the effect that suppresses moisture penetration.
[article-carrying belt]
The article-carrying belt of present embodiment is that article-carrying belt body paper discussed above is cut into the wide band shape of 8mm, forms a plurality of perforations poroid die cavity portion 8,8 at length direction every the interval of regulation by punch process ... and connect poroid limit portion 9,9 ... make.
Die cavity portion 8,8 ... and limit portion 9,9 ... shape, at interval, formation method etc., do not do special qualification, can be identical with known method.
Whether whether whether article-carrying belt is by article-carrying belt body paper of the present invention, that is to say, be to be made less than the article-carrying belt body paper of 20 quality % by mass change CV, can be to judge less than 20 quality % according to the rate of change CV2 by following formula (b) definition.
CV2[quality %]=((SPA2[g]-SPB2[g])/SG[g] * (8[mm] * 150[mm]/(8[mm] * 150[mm]-CA[mm 2]))) * 100
At this, SPA2 be with thickness be whole two surfaces that the polyester film of 20 μ m sticks on the test piece that article-carrying belt cutting growth 150mm (wide 8.0mm) is obtained go up, in the quality of dipping after 2 hours under the condition of humidity 50%RH, in 23 ℃ distilled water, SPB2 is the quality before the dipping in distilled water, SG is the quality of test piece, and CA is the gross area of the through hole (die cavity portion, limit portion etc.) that forms on article-carrying belt.
[embodiment 1]
Below, by describing, just can understand effect of the present invention to testing example.Certainly, the present invention is not defined in the meaning of following test example.In addition, in following test example, only otherwise do special explanation, so-called " umber " and " % " means " mass fraction " and " quality % " respectively, and so-called " kg/t " means the amount (kg) of paper pulp per ton.
[test example 1~7]
For superficial layer and the inside layer, to be adjusted to canadian standard freeness (CSF) 420ml by the slurries that coniferous tree bleached kraft pulp (NBKP) 25%, bleached hardwood kraft pulp (LBKP) 75% constitute, add sulfuric acid band (バ Application De) 20kg/t (appearance is arranged) and alkyl ketene dimer compound again, it is used as raw material.On the other hand,, will be adjusted to CSF420ml, add sulfuric acid band 30kg/t (appearance is arranged) and alkyl ketene dimer compound again, it will be used as raw material by the pulp slurry that NBKP25%, LBKP25%, first-class old paper stock 50% constitute as the intermediate layer.By it being copied into 5 layers of structure, obtain the article-carrying belt body paper with cylinder multilayer paper machine.
Each article-carrying belt body paper that the addition that changes compound is obtained carries out the test of mass change (the method according to this invention), paper thick (according to Nippon Standard JIS P 8118) and rigidity (according to Nippon Standard JIS P 8125).It the results are shown in table 1.
[table 1]
Tret (mass fraction) in the packing agent Rigidity (mNm) Mass change (%) Paper thick (mm) Take in the component test evaluation
Superficial layer The intermediate layer The inside layer
Test example 1 ??0.04 ??0.50 ??0.04 ????38 ????14 ??0.31 ????◎
Test example 2 ??0.03 ??0.35 ??0.05 ????36 ????15 ??0.30 ????◎
Test example 3 ??0.03 ??0.15 ??0.03 ????40 ????19 ??0.32 ????○
Test example 4 ??0.05 ??0.75 ??0 ????36 ????18 ??0.30 ????○
Test example 5 ??0.05 ??0.14 ??0.05 ????38 ????22 ??0.31 ????△
Test example 6 ??0.04 ??0.04 ??0.04 ????41 ????24 ??0.31 ????×
Test example 7 ??0.02 ??0.14 ??0.02 ????40 ????30 ??0.30 ????×
Test example 8 ??0.05 ??0.14 ??0.05 ????38 ????21 ??0.28 ????×
Test example 9 ??0.05 ??0.14 ??0.05 ????43 ????22 ??0.31 ????×
In addition, to each the article-carrying belt body paper that obtains,, obtain the punching article-carrying belt through following (1)~(4) procedure.
It is wide that the article-carrying belt body paper is cut into 8mm, and (0.65 * 1.15mm), (3) paste tail band (with 200 ℃ of heat-sealings), and (4) take in part (1750/minute) for limit portion (diameter 1.5mm) that (2) formation perforation is poroid and die cavity portion.
The punching article-carrying belt that obtains is estimated in the operability of part accommodation device.The number of times that the article-carrying belt that operability is rolled into 3200mm according to continuous 2 of turning round is stuck in the clearance portion of part accommodation device, shuts down is estimated by following benchmark.The results are shown in table 1.
The occasion that does not shut down fully is ◎, is zero though how many jammed tendency trouble-free occasions that turns round is arranged, and the occasion that takes place 3~9 times that shuts down is △, shut down take place more than 10 times or 10 times occasion for *.
[test example 8]
Except paper is thick is the 0.28mm, identical with test example 1~7.
[test example 9]
Except the raw material paper pulp that makes the intermediate layer is NBKP100% (CSF400ml), identical with test example 1~7.
As known from Table 1, mass change of the present invention and operability have dependency relation, and in contrast, thick and operability does not have dependency relation based on the paper of Nippon Standard JIS P 8118.In addition, also as can be known if mass change less than 20%, then operating efficiency does not worsen, particularly, mass change has a significant effect 15% or when following.

Claims (6)

1. article-carrying belt body paper is characterized in that: with the mass change CV of following (a) formula definition less than 20 quality %,
CV[quality %]=(SPA[g]-SPB[g])/SB[g] * 100;
At this, SPA be with thickness be the polyester film of 20 μ m stick on whole two surfaces that the article-carrying belt body paper is cut into the test piece that 8.0 * 150mm obtains go up, in the quality of dipping after 2 hours under the condition of humidity 50%RH, in 23 ℃ distilled water, SPB is the quality before the dipping in distilled water, and SB is the quality of test piece.
2. according to the article-carrying belt body paper of claim 1, it is characterized in that: paper is thick for 0.3mm or more than the 0.3mm.
3. according to the article-carrying belt body paper of claim 1 or 2, it is characterized in that: test piece (test piece is for to be cut into 8.0 * 150mm with the article-carrying belt body paper according to Nippon Standard JIS P 8125.) rigidity at 40mNm or following.
4. according to any 1 article-carrying belt body paper of claim 1~3, it is characterized in that: make acid multilayer and copy paper, and add the rosin series packing agent in the middle level; Or make neutral multilayer and copy paper, and add the alkyl ketene dimer packing agent in the middle level, wherein 100 mass fractions of the relative absolute dried paper pulp of mass fraction of packing agent are 0.15~0.75.
5. according to any 1 article-carrying belt body paper of claim 1~4, it is characterized in that: on the top layer and one deck at least of nexine add rosin series packing agent or alkyl ketene dimer packing agent, 100 mass fractions of the relative absolute dried paper pulp of packing agent mass fraction are 0.03~0.05.
6. an article-carrying belt is characterized in that: be formed with the poroid die cavity portion that connects on any 1 article-carrying belt body paper of being put down in writing of claim 1~5.
CN 200410031888 2003-12-17 2004-03-31 Carrier tape base paper and carrier tape Expired - Fee Related CN1629401B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP418872/2003 2003-12-17
JP2003418872A JP3848651B2 (en) 2003-12-17 2003-12-17 Carrier tape base paper and carrier tape

Publications (2)

Publication Number Publication Date
CN1629401A true CN1629401A (en) 2005-06-22
CN1629401B CN1629401B (en) 2010-04-28

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CN 200410031888 Expired - Fee Related CN1629401B (en) 2003-12-17 2004-03-31 Carrier tape base paper and carrier tape

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CN (1) CN1629401B (en)
TW (1) TW200521294A (en)

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CN102241278B (en) * 2011-05-06 2013-01-23 瑞安市丰日机械有限公司 Cover tap machine
KR101531458B1 (en) * 2012-03-12 2015-06-24 저장 지에메이 일렉트로닉 & 테크놀로지 컴퍼니 리미티드 Carrier-tape base paper making method and base paper made thereby
JP6389597B2 (en) * 2013-09-30 2018-09-12 北越コーポレーション株式会社 Carrier tape mount for chip electronic component and carrier tape for chip electronic component
CN105648825B (en) * 2016-01-07 2017-07-14 仙鹤股份有限公司 A kind of electronic component conveying cotton paper and its production technology
CN106426398A (en) * 2016-11-02 2017-02-22 上海宝钢工业有限公司 Production system for hollow plastic angle bead
JP7365321B2 (en) * 2020-12-10 2023-10-19 北越コーポレーション株式会社 Carrier tape mount for chip-shaped electronic components

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN109640776A (en) * 2016-08-26 2019-04-16 大王制纸株式会社 Water-disintegratable sheet and method for producing same
CN109640776B (en) * 2016-08-26 2022-02-25 大王制纸株式会社 Water-disintegratable sheet and method for producing same

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Publication number Publication date
JP3848651B2 (en) 2006-11-22
CN1629401B (en) 2010-04-28
TW200521294A (en) 2005-07-01
JP2005179797A (en) 2005-07-07
TWI350329B (en) 2011-10-11

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