CN110722860A - Long-acting full-prevention thermosensitive material and preparation method thereof - Google Patents

Long-acting full-prevention thermosensitive material and preparation method thereof Download PDF

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Publication number
CN110722860A
CN110722860A CN201910977215.1A CN201910977215A CN110722860A CN 110722860 A CN110722860 A CN 110722860A CN 201910977215 A CN201910977215 A CN 201910977215A CN 110722860 A CN110722860 A CN 110722860A
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China
Prior art keywords
layer
heat
long
coating
plastic packaging
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Pending
Application number
CN201910977215.1A
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Chinese (zh)
Inventor
谷洪涛
李泰明
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Hangzhou Maishi Technology Co Ltd
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Hangzhou Maishi Technology Co Ltd
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Priority to CN201910977215.1A priority Critical patent/CN110722860A/en
Publication of CN110722860A publication Critical patent/CN110722860A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
    • C09D183/04—Polysiloxanes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18—Fireproof paints including high temperature resistant paints
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/12—Coating on the layer surface on paper layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2519/00—Labels, badges

Abstract

The invention discloses a long-acting full-protection heat-sensitive material and a manufacturing method thereof. Wherein, the substrate layer can use paper or film as the basic carrier of the long-acting total heat-proof material; the heat-sensitive layer is a general heat-sensitive material and can develop color when meeting high temperature; the plastic packaging layer uses a transparent PET film or a transparent PP film as a barrier layer; the plastic packaging layer high-temperature protective coating is formed by coating and carrying out polymerization reaction at high temperature by adopting a mixture of an organic silicon polymer, a cross-linking agent and a catalyst, and can effectively prevent the plastic packaging layer from melting when meeting high temperature. The long-acting full-heat-proof thermal sensitive material can store printing contents for a long time and has the advantages of thinner structure and lower cost.

Description

Long-acting full-prevention thermosensitive material and preparation method thereof
Technical Field
The invention relates to an information carrier for variable information printing, in particular to a long-acting full-protection thermosensitive material and a manufacturing method thereof.
Background
The prior heat-sensitive paper and heat-sensitive film are widely applied as convenient and cheap variable information carriers, especially in the fields of express delivery, logistics, retail and the like, but the variable information cannot be stored for a long time (the effective storage time of the prior material is 1-24 months), the surface can only conditionally resist water, oil, plasticizer and alcohol, but does not have the performances of acid solution and alkali solution, and the application range of the heat-sensitive paper and the heat-sensitive film is greatly limited, such as archival data and the like which need to be stored for a long time. When the adhesive tape is used in the field of pressure-sensitive adhesives (also called adhesive stickers), a layer of base paper is required to be matched to be used as a carrier, and the adhesive tape can not be used without the base paper, so that great resource waste and environmental pollution are caused.
Disclosure of Invention
The invention aims to solve the technical problems that unconditional water resistance, oil resistance, plasticizer resistance, alcohol resistance, acid resistance solution and alkaline resistance solution on the surface cannot be realized and the long-acting preservation time of more than 15 years cannot be realized by aiming at the defects of the existing thermosensitive paper and thermosensitive film, and provides a long-acting full-heat-proof material and a preparation method thereof.
The invention realizes the purpose through the following technical scheme: the long-acting full-anti-heat-sensitive material sequentially comprises a base material layer, a heat-sensitive layer, a plastic packaging layer and a high-temperature protective coating from bottom to top, and the manufacturing method of the long-acting full-anti-heat-sensitive material comprises the following steps:
step one; adding 3-4 parts of hydrosilation cross-linking agent into each 100 parts of polydimethylsiloxane, stirring for a plurality of minutes at a stable rotating speed, slowly adding 2-3 parts of organic platinum catalyst, stirring for a plurality of minutes at a stable rotating speed to obtain a mixture A, and waiting for further treatment;
step two; coating the mixture A obtained in the step one on the surface of a plastic packaging layer at a coating weight of 0.5 g/square meter-1 g/square meter for further treatment;
step three; baking the plastic packaging layer coated in the step two to enable the mixture A to generate polymerization reaction, curing to form a high-temperature protective coating, and waiting for further treatment;
step four: coating the liquid heat-sensitive layer on the substrate layer in a roller coating or curtain coating mode, compounding the plastic packaging layer and the high-temperature protective coating on the liquid heat-sensitive layer, and waiting for further treatment;
step five: and C, baking the plastic package layer, the high-temperature protective coating and the liquid thermosensitive layer in the fourth step, evaporating water in the liquid thermosensitive layer to form a solid thermosensitive layer, and rolling the base material layer, the thermosensitive layer, the plastic package layer and the high-temperature protective coating to integrate the base material layer, the thermosensitive layer, the plastic package layer and the high-temperature protective coating into a whole to obtain the long-acting full-protection thermosensitive material.
In a further preferred embodiment of the present invention, in the first step, the polydimethylsiloxane and the crosslinking agent are stirred at 1450 rpm for 10 minutes, and after the catalyst is added, the mixture is stirred at 1450 rpm for 10 minutes, so that the three components are sufficiently and uniformly distributed to form the mixture a.
As a further optimization scheme of the invention, in the second step, the coated plastic package layer is baked for 6S-12S in the environment of 100-149 ℃, so that the mixture A can fully generate polymerization reaction; and step five, baking the plastic packaging layer, the high-temperature protective coating and the liquid thermosensitive layer in an environment of 80 ℃ to evaporate water in the thermosensitive layer without developing color.
As a further optimized scheme of the invention, the outer side of the base material layer is coated with the glue coating layer, and the glue coating layer adopts pressure-sensitive adhesive, can be used for being stuck on the surface of a stuck object and is convenient to use.
As a further optimization scheme of the invention, glue is coated between the thermosensitive layer and the plastic packaging layer, so that the thermosensitive layer and the plastic packaging layer are bonded into a whole.
As a further optimization scheme of the invention, the substrate layer is paper or a film, and can be respectively suitable for a non-liquid soaking environment and a liquid soaking environment.
As a further optimized scheme of the invention, the plastic packaging layer is a transparent high-temperature-resistant polyester film or a transparent polypropylene film. The transparent high-temperature-resistant polyester film or the transparent polypropylene film can effectively realize the separation of water, oil, plasticizer, alcohol and the like, and acidic solution and alkaline solution, and increase the storage time of the pictures and texts.
As a further optimized scheme of the invention, the thermosensitive layer is made of a thermal sensitive material of a fluorane type and develops color at high temperature.
The invention has the beneficial effects that:
through setting up the plastic envelope layer, can effectively realize the separation to water, oil, plasticizer, alcohol etc to and acid solution, alkaline solution, prevent that the heat-sensitive layer from being invaded and moistened, effectively improved the save time of the back picture and text of printing.
Through setting up the high temperature protective layer, can prevent effectively that the plastic envelope layer from receiving the high temperature film in the twinkling of an eye and being melted.
Through coating pressure sensitive adhesive, form printable pressure sensitive adhesive label, need not the end and input the button, can effectively practice thrift the cost, and because there is not the end, effectively reduced this long-term thickness of preventing temperature sensing material entirely, can improve the consumptive material length more than 40% to handheld printer, change consumptive material frequency and reduce more than 40%, effectively practiced thrift manpower and materials.
Drawings
FIG. 1 is a schematic structural diagram of a long-acting total thermosensitive prevention material of the present invention;
FIG. 2 is a schematic view of a second structure of the long-acting total heat-resistant material of the present invention;
FIG. 3 is a schematic view of a third structure of the long-acting total heat-resistant material of the present invention;
1-a substrate layer, 2-a heat-sensitive layer, 3-a plastic packaging layer, 4-a high-temperature protective coating, 5-glue and 6-a glue coating.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
Example 1
The long-acting full-protection thermosensitive material shown in fig. 1 sequentially comprises a substrate layer 1, a thermosensitive layer 2, a plastic packaging layer 3 and a high-temperature protective coating 4 from bottom to top, wherein the substrate layer 1 is selected from paper or a film, and the thermosensitive layer 2 is made of a sparkling alkane type thermosensitive material and develops color when meeting high temperature. Wherein, the substrate layer 1 can use paper as the basic carrier of the long-acting total-heat-proof material. The heat-sensitive layer 2 is made of a thermal sensitive material of a fluorane type, and can develop color at high temperature. The plastic package layer 3 uses a transparent high-temperature resistant polyester film or a transparent polypropylene film as a barrier layer. The plastic package layer high-temperature protective coating 4 is formed by coating and carrying out polymerization reaction at high temperature by adopting a mixture of organic silicon polymer, a cross-linking agent and a catalyst.
The preparation method of the long-acting full-heat-resistant material comprises the following steps:
step one; adding 3-4 parts of hydrosilation cross-linking agent into each 100 parts of polydimethylsiloxane, stirring for a plurality of minutes at a stable rotating speed, slowly adding 2-3 parts of organic platinum catalyst, stirring for a plurality of minutes at a stable rotating speed to obtain a mixture A, and waiting for further treatment;
step two; coating the mixture A obtained in the step one on the surface of a plastic packaging layer 3 at a coating weight of 0.5 g/square meter-1 g/square meter for further treatment;
step three; placing the plastic packaging layer 3 coated in the step two into an environment with the temperature of 100-149 ℃ for baking for 6S-12S, so that polymerization reaction is generated and curing is performed, and a high-temperature protective coating 4 is formed on the surface of the plastic packaging layer 3 for further treatment;
step four: coating the liquid heat-sensitive layer 2 on the substrate layer 1 in a roller coating or curtain coating mode, compounding the plastic packaging layer 3 and the high-temperature protective coating 4 on the liquid heat-sensitive layer 2, and waiting for further treatment;
step five: and (3) placing the plastic package layer 3, the high-temperature protective coating 4 and the liquid thermosensitive layer 2 in the fourth step into an environment of 80 ℃ for baking, evaporating water in the liquid thermosensitive layer 2 to form a solid thermosensitive layer 2, and rolling the base material layer 1, the thermosensitive layer 2, the plastic package layer 3 and the high-temperature protective coating 4 to integrate the base material layer 1, the thermosensitive layer 2, the plastic package layer 3 and the high-temperature protective coating 4 into a whole, so as to obtain the long-acting full-protection thermosensitive material.
Example 2
As shown in fig. 2, on the basis of the first embodiment, paper or film coated with the heat-sensitive layer 2 may also be used, the glue 5 is coated on the surface of the heat-sensitive layer 2 to bond the heat-sensitive layer and the plastic-sealing layer together, and then the plastic-sealing layer 3 and the plastic-sealing layer high-temperature protective coating 4 are combined to form the long-acting heat-resistant material, wherein the plastic-sealing layer 3 is a transparent PET film or a transparent PP film.
Example 3
As shown in fig. 3, the long-acting total heat-proof material and the manufacturing method thereof are different in that, based on the first embodiment, the base material layer 1 of the long-acting total heat-proof material is coated with the pressure-sensitive adhesive to form the adhesive layer 6, which can be used for being stuck on the surface of an object to be stuck and is convenient to use. Because the plastic packaging layer high-temperature protective coating 4 has release performance, the plastic packaging layer high-temperature protective coating can be rolled to form a structure similar to an adhesive tape, and a base paper-free pressure-sensitive adhesive label is formed.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.

Claims (8)

1. A long-acting full-heat-proof material and a manufacturing method thereof are characterized in that: the long-acting full-anti-heat-sensitive material sequentially comprises a base material layer (1), a heat-sensitive layer (2), a plastic packaging layer (3) and a high-temperature protective coating (4) from bottom to top, and the manufacturing method of the long-acting full-anti-heat-sensitive material comprises the following steps:
step one; adding 3-4 parts of hydrosilation cross-linking agent into each 100 parts of polydimethylsiloxane, stirring for a plurality of minutes at a stable rotating speed, slowly adding 2-3 parts of organic platinum catalyst, stirring for a plurality of minutes at a stable rotating speed to obtain a mixture A, and waiting for further treatment;
step two; coating the mixture A obtained in the step one on the surface of a plastic packaging layer (3) at a coating weight of 0.5 g/square meter to 1 g/square meter for further treatment;
step three; baking the plastic packaging layer (3) coated in the step two to enable the mixture A to generate polymerization reaction, curing to form a high-temperature protective coating (4), and waiting for further treatment;
step four: coating the liquid heat-sensitive layer (2) on the substrate layer (1) in a roller coating or curtain coating mode, compounding the plastic packaging layer (3) and the high-temperature protective coating (4) on the liquid heat-sensitive layer (2), and waiting for further treatment;
step five: baking the plastic package layer (3), the high-temperature protective coating (4) and the liquid thermosensitive layer (2) in the fourth step, evaporating water in the liquid thermosensitive layer (2) to form the solid thermosensitive layer (2), and rolling the base material layer (1), the thermosensitive layer (2), the plastic package layer (3) and the high-temperature protective coating (4) simultaneously to integrate the base material layer (1), the thermosensitive layer (2), the plastic package layer (3) and the high-temperature protective coating (4) into a whole, so that the long-acting full-protection thermosensitive material is obtained.
2. The method for preparing a long-acting full-heat-proof thermal sensitive material as claimed in claim 1, wherein: in the first step, the polydimethylsiloxane and the crosslinking agent are stirred at 1450 rpm for 10 minutes, and after the catalyst is added, the polydimethylsiloxane and the crosslinking agent are stirred at 1450 rpm for 10 minutes.
3. The method for preparing a long-acting full-heat-proof thermal sensitive material as claimed in claim 1, wherein: in the second step, the coated plastic packaging layer (3) is baked for 6S-12S in the environment of 100-149 ℃, so that the mixture A can be subjected to polymerization reaction fully; and step five, baking the plastic packaging layer (3), the high-temperature protective coating (4) and the liquid thermosensitive layer in an environment of 80 ℃.
4. The method for preparing a long-acting full-heat-proof thermal sensitive material as claimed in claim 1, wherein: the outer side of the base material layer (1) is coated with a glue coating layer (6), and the glue coating layer (6) is made of pressure-sensitive adhesive.
5. The method for preparing a long-acting full-heat-proof thermal sensitive material as claimed in claim 1, wherein: glue (5) is coated between the thermosensitive layer (2) and the plastic packaging layer (3).
6. The method for preparing a long-acting full-heat-proof thermal sensitive material as claimed in claim 1, wherein: the substrate layer (1) is paper or a film.
7. The method for preparing a long-acting full-heat-proof thermal sensitive material as claimed in claim 1, wherein: the plastic packaging layer (3) is a transparent high-temperature-resistant polyester film or a transparent polypropylene film.
8. The method for preparing a long-acting full-heat-proof thermal sensitive material as claimed in claim 1, wherein: the heat-sensitive layer (2) is made of a thermal sensitive material of a fluorane type and can generate color at high temperature.
CN201910977215.1A 2019-10-15 2019-10-15 Long-acting full-prevention thermosensitive material and preparation method thereof Pending CN110722860A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113178128A (en) * 2021-04-29 2021-07-27 湖南鼎一致远科技发展有限公司 High-temperature-resistant label for thermal transfer printing and preparation method thereof

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Publication number Priority date Publication date Assignee Title
US4591887A (en) * 1984-02-13 1986-05-27 Arbree Roberta R Solvent resistant thermally printable material
CN106004143A (en) * 2015-08-03 2016-10-12 理光感热技术（无锡）有限公司 Transparent thermal sensitive recording material
CN205788872U (en) * 2016-06-22 2016-12-07 中国人民解放军空军勤务学院 A kind of novel durable Imformation label
US20170229046A1 (en) * 2016-02-05 2017-08-10 Labelmakers Group Pty Ltd Label
CN107089065A (en) * 2017-04-05 2017-08-25 浙江欧仁新材料有限公司 A kind of preparation method of holographic false proof mould release membrance

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Publication number Priority date Publication date Assignee Title
US4591887A (en) * 1984-02-13 1986-05-27 Arbree Roberta R Solvent resistant thermally printable material
CN106004143A (en) * 2015-08-03 2016-10-12 理光感热技术（无锡）有限公司 Transparent thermal sensitive recording material
US20170229046A1 (en) * 2016-02-05 2017-08-10 Labelmakers Group Pty Ltd Label
CN205788872U (en) * 2016-06-22 2016-12-07 中国人民解放军空军勤务学院 A kind of novel durable Imformation label
CN107089065A (en) * 2017-04-05 2017-08-25 浙江欧仁新材料有限公司 A kind of preparation method of holographic false proof mould release membrance

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CN113178128A (en) * 2021-04-29 2021-07-27 湖南鼎一致远科技发展有限公司 High-temperature-resistant label for thermal transfer printing and preparation method thereof

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Application publication date: 20200124