CN102221774A - Plastic coated paper base with antistatic bottom layers on two sides - Google Patents
Plastic coated paper base with antistatic bottom layers on two sides Download PDFInfo
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- CN102221774A CN102221774A CN2011101338810A CN201110133881A CN102221774A CN 102221774 A CN102221774 A CN 102221774A CN 2011101338810 A CN2011101338810 A CN 2011101338810A CN 201110133881 A CN201110133881 A CN 201110133881A CN 102221774 A CN102221774 A CN 102221774A
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- coated paper
- antistatic
- paper base
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- plastic coated
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Abstract
The invention discloses a plastic coated paper base with antistatic bottom layers on two sides. The plastic coated paper base comprises photographic raw paper and polymer layers arranged on two sides of the photographic raw paper; the antistatic bottom layers are arranged on the polymer layers; the weight ratio of an antistatic agent to an anti-blocking agent in the antistatic bottom layers is 1:10-10:1; and the surface resistance of the plastic coated paper base is 106 to 1,010 ohms. At the same time of ensuring the adhesive fastness between the plastic coated paper base and a photosensitive emulsion layer, the product quality problem of the paper base due to adhesion and static electricity under the environments of production, storage, transportation, high temperature and high humidity is solved, and rejection of the product is avoided; meanwhile, according to the plastic coated paper base disclosed by the invention, the surface resistance of the plastic coated paper base is ensured between 106 and 1,010 ohms, and the requirement of double-sided photosensitive color photographic paper is met. The plastic coated paper base can be used for producing double-sided imaging materials.
Description
Technical field
The present invention relates to a kind of photographic material, particularly a kind of two sides has the plastic-coated paper-based of antistatic bottom.
Background technology
Traditional single face light sensation colour photographic paper can only simultaneously expose at printing paper, during its exposure, light reaches on the paper substrate through behind the emulsion layer, and wherein a part of light sees through paper substrate, another part light is the reflected back emulsion layer again, thereby improved the photosensitive property of product, can only form the single face image, reverse side does not have image, can only be contained in photo frame or photograph album the inside single face like this appreciates, limited the usable range of printing paper virtually, reduced the utilization factor of printing paper, increased manufacturing cost as image-carrier.
For the utilization factor of printing paper is provided, satisfy the individual demand of consumers in general, occurred the double-face light sensation colour photographic paper product on the market at aspects such as business card, personalized desk calendar, menu, auction room's sample volume, hotel sample board, invitation card, work card, trade promotion promotional pamphlets.
The paper substrate of traditional single face light sensation colour photographic paper comprises asbestos base paper and is coated on the polymeric layer and the contact layer of asbestos base paper one side that contact layer is used for improving the viscosity fastness of asbestos base paper and sensitive emulsion layer; Another side at asbestos base paper is coated with polymeric layer and antistatic backing, and antistatic backing is used for bonding surface imaging material and does not produce the static that causes photosensitive property and be coated with apparent deterioration in coating is produced.
For realizing double-face imaging, require double-face light sensation colour photographic paper paper substrate the two sides all scribble emulsion, in order all to coat photosensitive emulsion on the two sides of paper substrate, need be at the two sides of asbestos base paper difference coated polymeric layer and contact layer, to satisfy the needs that double-face light sensation colour photographic paper is produced.There are the following problems when being used for double-face light sensation colour photographic paper production for such paper substrate: two contact layers of (1) paper substrate all are the coatings that contains water absorptivity materials such as gelatin, in actual production process,, cause great waste to production because the adhesion meeting between the paper substrate causes the part of paper substrate and produces static; In addition, because long-term between two contact layers directly contact, paper substrate causes product rejection depositing, occurring adhesion easily in the transportation and under the environment of high humidity.(2) if on the surface of contact layer antistatic backing is set separately then causes the surface resistance of paper substrate to increase easily, make the dust in the easy absorbed air of paper substrate cause apparent disadvantages such as the dirty point of apparent appearance, static increase simultaneously also can cause the apparent of paper substrate to grow dim, also may cause the deterioration of photographic property when serious and produce the static spot, cause product rejection.
Summary of the invention
The technical problem to be solved in the present invention provides the plastic-coated paper-based that a kind of two sides has antistatic bottom.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of two sides has the plastic-coated paper-based of antistatic bottom, it comprises asbestos base paper and is arranged on the two-sided polymeric layer of asbestos base paper, described polymeric layer is provided with antistatic bottom, the antistatic agent in the antistatic bottom and the weight ratio of antiblocking agent are 1:10～10:1, and the surface resistance of described plastic-coated paper-based is 10
6~ 10
10Ω.
The weight ratio of antistatic agent and antiblocking agent is 1:5～5:1 in the described antistatic bottom.
Described antistatic agent is inorganic anti-electrostatic agent or high molecular polymer antistatic agent.
Described inorganic anti-electrostatic agent is a kind of in potassium nitrate, sodium nitrate, lithium nitrate, lithium perchlorate and the lithium chloride.
Described high molecular polymer antistatic agent is a kind of in poly styrene sulfonate, styrene maleic anhydride disodium salt and the polythiophene.
Described antiblocking agent is selected from silicon dioxide, titania, aluminium oxide, baryta or the polymethylmethacrylate that particle diameter is 0.01 ~ 5 μ m.
Compared with prior art, the present invention is provided with the electrostatic prevention bottom simultaneously by the two sides at asbestos base paper, guaranteeing between plastic-coated paper-based and the sensitive emulsion layer in the viscosity fastness, also solve paper substrate at the product quality problem of producing, depositing, occur because of adhesion and static under transportation and the hot and humid environment, avoided scrapping of product; By the usage ratio between antistatic agent in the control electrostatic prevention bottom and the antiblocking agent, the surface resistance of the plastic-coated paper-based that assurance obtains is 10 simultaneously
6~ 10
10Between the Ω, satisfy the needs of double-face light sensation colour photographic paper.
Embodiment
For double-deck light sensation colour photographic paper, owing to will carry out double-face imaging, so requirement has polymeric layer and electrostatic prevention bottom in the both sides of paper substrate, guaranteeing between plastic-coated paper-based and the sensitive emulsion layer in the viscosity fastness, solve paper substrate at the product quality problem of producing, depositing, occur because of adhesion and static under transportation and the hot and humid environment, avoided scrapping of product
Polymeric layer among the present invention can adopt technique known, and the present invention does not have particular determination to polymeric layer, and they can be the polymkeric substance coating layers that contains the high low-density different proportion mixing of materials such as titania, white masterbatch, color masterbatch.
Electrostatic prevention bottom of the present invention is formed through being coated with drying by the composition solution that contains gelatin, resin or both potpourris, antistatic agent and antiblocking agent, be fit to antistatic agent of the present invention and can be selected from inorganicss such as potassium nitrate, sodium nitrate, lithium nitrate, lithium perchlorate, lithium chloride, also can be selected from macromolecular compounds such as poly styrene sulfonate, styrene maleic anhydride disodium salt, polythiophene, can be selected from wherein a kind of, also can be selected from several potpourris wherein; Be fit to antiblocking agent of the present invention and can be selected from mineral compounds such as silicon dioxide, titania, aluminium oxide, baryta, also can be selected from macromolecular compounds such as polymethylmethacrylate.The preferred mineral compound of functional materials that prevents to contact adhesion that the present invention uses generally is dispersed in it and forms the molecule use in aqueous solution, is used for preventing the adhesion of two-sided paper substrate in actual production.Its mean grain size is between 0.01 ~ 5 μ m.
In the electrostatic prevention bottom of the present invention antistatic agent and the weight ratio of antiblocking agent be between 1:10～10:1, preferred 1:5～5:1, with the surface resistance of the plastic-coated paper-based that guarantees to obtain 10
6~ 10
10Between the Ω, satisfy the needs of double-face light sensation colour photographic paper.
Asbestos base paper of the present invention is known colour paper asbestos base paper, no specific (special) requirements.
Plastic-coated paper-based provided by the invention can adopt known method preparation, no specific (special) requirements.
The invention will be further described below by embodiment, but be not limited thereto.
Embodiment 1
Electrostatic prevention bottom prescription is formed:
Deionized water 100g,
Photographic gelatin 1g,
Potassium nitrate 0.5g,
Aluminium oxide (2.5 μ m) 0.1g,
According to the prescription requirement, in container, add deionized water and photographic gelatin, treat that gelatin fully soaks after, heating makes it to dissolve fully, under agitation adds aluminium oxide, potassium nitrate then successively, stirs, and obtains electrostatic prevention bottom coating fluid, and is stand-by.
The one side of asbestos base paper is carried out high-voltage corona handle, coated polymeric layer then after cooling is closed in cold roll-in, carries out high-voltage corona at the another side of phase body paper again and handles, the coated polymeric layer, and cooling is closed in cold roll-in; Above-mentioned polymeric layer is carried out high-voltage corona handle, adopt the relay coating method, above-mentioned electrostatic prevention bottom coating fluid is coated on respectively on the polymeric layer of two sides, drying, rolling obtains plastic-coated paper-based.Test its performance, see Table 1.
Embodiment 2
Electrostatic prevention bottom prescription is formed:
Deionized water 100g,
Photographic gelatin 0.5g,
Lithium chloride 0.6g,
Silicon dioxide (4.3 μ m) 0.5g,
According to the prescription requirement, in container, add deionized water and photographic gelatin, treat that gelatin fully soaks after, heating makes it to dissolve fully, under agitation adds aluminium oxide, potassium nitrate then successively, stirs, and obtains electrostatic prevention bottom coating fluid, and is stand-by.
The one side of asbestos base paper is carried out high-voltage corona handle, coated polymeric layer then after cooling is closed in cold roll-in, carries out high-voltage corona at the another side of phase body paper again and handles, the coated polymeric layer, and cooling is closed in cold roll-in; Above-mentioned polymeric layer is carried out high-voltage corona handle, adopt the relay coating method, above-mentioned electrostatic prevention bottom coating fluid is coated on respectively on the polymeric layer of two sides, drying, rolling obtains plastic-coated paper-based.Test its performance, see Table 1.
Embodiment 3
Electrostatic prevention bottom prescription is formed:
Deionized water 100g,
Photographic gelatin 1.5g,
Kayexalate 0.9g,
Titania (0.01 μ m) 0.1g,
According to the prescription requirement, in container, add deionized water and photographic gelatin, treat that gelatin fully soaks after, heating makes it to dissolve fully, under agitation adds aluminium oxide, potassium nitrate then successively, stirs, and obtains electrostatic prevention bottom coating fluid, and is stand-by.
The one side of asbestos base paper is carried out high-voltage corona handle, coated polymeric layer then after cooling is closed in cold roll-in, carries out high-voltage corona at the another side of phase body paper again and handles, the coated polymeric layer, and cooling is closed in cold roll-in; Above-mentioned polymeric layer is carried out high-voltage corona handle, adopt the relay coating method, above-mentioned electrostatic prevention bottom coating fluid is coated on respectively on the polymeric layer of two sides, drying, rolling obtains plastic-coated paper-based.Test its performance, see Table 1.
Embodiment 4
Electrostatic prevention bottom prescription is formed:
Deionized water 100g,
Photographic gelatin 0.5g,
Polythiophene 0.3g,
Methyl methacrylate (5.0 μ m) 0.5g,
According to the prescription requirement, in container, add deionized water and photographic gelatin, treat that gelatin fully soaks after, heating makes it to dissolve fully, under agitation adds aluminium oxide, potassium nitrate then successively, stirs, and obtains electrostatic prevention bottom coating fluid, and is stand-by.
The one side of asbestos base paper is carried out high-voltage corona handle, coated polymeric layer then after cooling is closed in cold roll-in, carries out high-voltage corona at the another side of phase body paper again and handles, the coated polymeric layer, and cooling is closed in cold roll-in; Above-mentioned polymeric layer is carried out high-voltage corona handle, adopt the relay coating method, above-mentioned electrostatic prevention bottom coating fluid is coated on respectively on the polymeric layer of two sides, drying, rolling obtains plastic-coated paper-based.Test its performance, see Table 1.
Embodiment 5
Electrostatic prevention bottom prescription is formed:
Deionized water 100g,
Photographic gelatin 2.0g,
Lithium perchlorate 0.3g,
Baryta (1.4 μ m) 0.3g,
According to the prescription requirement, in container, add deionized water and photographic gelatin, treat that gelatin fully soaks after, heating makes it to dissolve fully, under agitation adds aluminium oxide, potassium nitrate then successively, stirs, and obtains electrostatic prevention bottom coating fluid, and is stand-by.
The one side of asbestos base paper is carried out high-voltage corona handle, coated polymeric layer then after cooling is closed in cold roll-in, carries out high-voltage corona at the another side of phase body paper again and handles, the coated polymeric layer, and cooling is closed in cold roll-in; Above-mentioned polymeric layer is carried out high-voltage corona handle, adopt the relay coating method, above-mentioned electrostatic prevention bottom coating fluid is coated on respectively on the polymeric layer of two sides, drying, rolling obtains plastic-coated paper-based.Test its performance, see Table 1.
Embodiment 6
Electrostatic prevention bottom prescription is formed:
Deionized water 100g,
Photographic gelatin 1.0g,
Potassium nitrate 1.2
Lithium nitrate 0.8g,
Silicon dioxide (4.0 μ m) 0.2g,
According to the prescription requirement, in container, add deionized water and photographic gelatin, treat that gelatin fully soaks after, heating makes it to dissolve fully, under agitation adds aluminium oxide, potassium nitrate then successively, stirs, and obtains electrostatic prevention bottom coating fluid, and is stand-by.
The one side of asbestos base paper is carried out high-voltage corona handle, coated polymeric layer then after cooling is closed in cold roll-in, carries out high-voltage corona at the another side of phase body paper again and handles, the coated polymeric layer, and cooling is closed in cold roll-in; Above-mentioned polymeric layer is carried out high-voltage corona handle, adopt the relay coating method, above-mentioned electrostatic prevention bottom coating fluid is coated on respectively on the polymeric layer of two sides, drying, rolling obtains plastic-coated paper-based.Test its performance, see Table 1.
Embodiment 7
Electrostatic prevention bottom prescription is formed:
Deionized water 100g,
Photographic gelatin 0.5g,
Styrene br dilute anhydride two is received salt 0.2g,
Methyl methacrylate (3.5 μ m) 1.0g,
According to the prescription requirement, in container, add deionized water and photographic gelatin, treat that gelatin fully soaks after, heating makes it to dissolve fully, under agitation adds aluminium oxide, potassium nitrate then successively, stirs, and obtains electrostatic prevention bottom coating fluid, and is stand-by.
The one side of asbestos base paper is carried out high-voltage corona handle, coated polymeric layer then after cooling is closed in cold roll-in, carries out high-voltage corona at the another side of phase body paper again and handles, the coated polymeric layer, and cooling is closed in cold roll-in; Above-mentioned polymeric layer is carried out high-voltage corona handle, adopt the relay coating method, above-mentioned electrostatic prevention bottom coating fluid is coated on respectively on the polymeric layer of two sides, drying, rolling obtains plastic-coated paper-based.Test its performance, see Table 1.
Embodiment 8
Electrostatic prevention bottom prescription is formed:
Deionized water 100g,
Photographic gelatin 0.5g,
Lithium chloride 0.2g,
Methyl methacrylate (2.0 μ m) 2.0g,
According to the prescription requirement, in container, add deionized water and photographic gelatin, treat that gelatin fully soaks after, heating makes it to dissolve fully, under agitation adds aluminium oxide, potassium nitrate then successively, stirs, and obtains electrostatic prevention bottom coating fluid, and is stand-by.
The one side of asbestos base paper is carried out high-voltage corona handle, coated polymeric layer then after cooling is closed in cold roll-in, carries out high-voltage corona at the another side of phase body paper again and handles, the coated polymeric layer, and cooling is closed in cold roll-in; Above-mentioned polymeric layer is carried out high-voltage corona handle, adopt the relay coating method, above-mentioned electrostatic prevention bottom coating fluid is coated on respectively on the polymeric layer of two sides, drying, rolling obtains plastic-coated paper-based.Test its performance, see Table 1.
Table 1: performance evaluation table
Performance test methods:
1. the test of surface resistance:
Under the condition of RH45 ~ 55%, 23 ± 2 ℃, adopt the test of HZ-2513 type superelevation value insulation resistance instrument.
2. the test of resistance to blocking energy:
Sample is cut into the size of 4cm * 4cm, under RH80%, 40 ℃ condition, flat-press process 50g/cm
2Aging 24 hours.
Claims (6)
1. a two sides has the plastic-coated paper-based of antistatic bottom, it comprises asbestos base paper and is arranged on the two-sided polymeric layer of asbestos base paper, it is characterized in that, described polymeric layer is provided with antistatic bottom, the antistatic agent in the antistatic bottom and the weight ratio of antiblocking agent are 1:10～10:1, and the surface resistance of described plastic-coated paper-based is 10
6~ 10
10Ω.
2. according to the described plastic-coated paper-based of claim 1, it is characterized in that the weight ratio of antistatic agent and antiblocking agent is 1:5～5:1 in the described antistatic bottom.
3. according to claim 1 or 2 described plastic-coated paper-baseds, it is characterized in that described antistatic agent is inorganic anti-electrostatic agent or high molecular polymer antistatic agent.
4. according to the described plastic-coated paper-based of claim 3, it is characterized in that described inorganic anti-electrostatic agent is a kind of in potassium nitrate, sodium nitrate, lithium nitrate, lithium perchlorate and the lithium chloride.
5. according to the described plastic-coated paper-based of claim 4, it is characterized in that described high molecular polymer antistatic agent is a kind of in poly styrene sulfonate, styrene maleic anhydride disodium salt and the polythiophene.
6. according to the described plastic-coated paper-based of claim 5, it is characterized in that described antiblocking agent is selected from silicon dioxide, titania, aluminium oxide, baryta or the polymethylmethacrylate that particle diameter is 0.01 ~ 5 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110133881 CN102221774B (en) | 2011-05-23 | 2011-05-23 | Plastic coated paper base with antistatic bottom layers on two sides |
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| CN 201110133881 CN102221774B (en) | 2011-05-23 | 2011-05-23 | Plastic coated paper base with antistatic bottom layers on two sides |
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| Publication Number | Publication Date |
|---|---|
| CN102221774A true CN102221774A (en) | 2011-10-19 |
| CN102221774B CN102221774B (en) | 2013-03-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105437813A (en) * | 2014-09-28 | 2016-03-30 | 杭州健培科技有限公司 | Laser medical film and preparation method thereof |
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| US5683862A (en) * | 1996-10-31 | 1997-11-04 | Eastman Kodak Company | Poly(ethylene oxide) and alkali metal salt antistatic backing layer for photographic paper coated with polyolefin layer |
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| CN1497340A (en) * | 2002-09-27 | 2004-05-19 | 伊斯曼柯达公司 | Imaging element with polyester substrate |
| CN101174112A (en) * | 2006-11-02 | 2008-05-07 | 富士施乐株式会社 | Toner for development of electrostatic image, method of producing the same, electrostatic image developer, toner cartridge, process cartridge, and image forming apparatus |
| CN102004391A (en) * | 2010-10-25 | 2011-04-06 | 中国乐凯胶片集团公司 | Plastic coated paper base for double-sided imaging |
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2011
- 2011-05-23 CN CN 201110133881 patent/CN102221774B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1030649A (en) * | 1987-07-02 | 1989-01-25 | 福林克斯·彻奥勒有限公司 | The production method that has the photosensitive material slice base of coiling-resistant layer |
| US5254394A (en) * | 1990-11-07 | 1993-10-19 | Hoechst Aktiengesellschaft | Heat-sealable packaging film |
| US5660931A (en) * | 1994-03-17 | 1997-08-26 | Skc Limited | Polymeric film with paper-like characteristics |
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| CN101174112A (en) * | 2006-11-02 | 2008-05-07 | 富士施乐株式会社 | Toner for development of electrostatic image, method of producing the same, electrostatic image developer, toner cartridge, process cartridge, and image forming apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105437813A (en) * | 2014-09-28 | 2016-03-30 | 杭州健培科技有限公司 | Laser medical film and preparation method thereof |
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| CN102221774B (en) | 2013-03-06 |
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