CN111892733A - PC board surface hardness reinforcing process - Google Patents
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- CN111892733A CN111892733A CN202010799501.6A CN202010799501A CN111892733A CN 111892733 A CN111892733 A CN 111892733A CN 202010799501 A CN202010799501 A CN 202010799501A CN 111892733 A CN111892733 A CN 111892733A
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/046—Forming abrasion-resistant coatings; Forming surface-hardening coatings
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/042—Coating with two or more layers, where at least one layer of a composition contains a polymer binder
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- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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- 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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09D133/10—Homopolymers or copolymers of methacrylic acid esters
- C09D133/12—Homopolymers or copolymers of methyl methacrylate
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- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2369/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
- C08J2433/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C08J2433/10—Homopolymers or copolymers of methacrylic acid esters
- C08J2433/12—Homopolymers or copolymers of methyl methacrylate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
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Abstract
The invention relates to the technical field of PC board manufacturing processes, in particular to a PC board surface hardness reinforcing process; the method comprises the following steps: the method comprises the following steps: unwinding a PC roll: the driving device drives the coiled PC board coiled material to rotate and enters the PC board coiled material unreeling traction device; step two: stripping the protective film: detecting tension between traction and coating through a PC plate coiled material unreeling traction device, then peeling the protective film through a protective film peeling device, and reeling the peeled protective film into a protective film reeling device; step three: coating a hardening liquid: feeding the peeled surface of the peeled PC coiled material into a continuous coating device for coating a high-molecular hardening liquid, and then sucking the PC coiled material by a vacuum suction roller device; by adopting the PC board surface coating assembly, the heat curing assembly and the ultraviolet UV curing assembly, the surface of the PC board coiled material is coated with the multilayer hardened coating, the hardness of the surface reaches at least 6H, and meanwhile, the scratch is not easy to scrape.
Description
Technical Field
The invention relates to the technical field of PC board manufacturing processes, in particular to a PC board surface hardness reinforcing process.
Background
The PC board is a high-performance engineering plastic, is processed by Polycarbonate (PC) resin, has the characteristics of high transparency, light weight, impact resistance, sound insulation, heat insulation, flame resistance, ageing resistance and the like, and is a high-tech, energy-saving and environment-friendly plastic board with extremely excellent comprehensive performance.
The PC board has been developed to the direction of high-functionalization, specialization, in view of the situation that the PC board of our country is produced and can appear the rapid development scene with the market demand, especially the establishment of many sets of planning devices in China, in addition the automobile industry is rapidly developed and pulled, in the coming years, our country PC industry enters a new development stage, the PC board is spread throughout everywhere in life and production, wherein the most extensive field of application is as follows: building, medical care, electronic and electric, automobile and sports equipment. In all aspects, the traditional Chinese medicine composition seriously influences our lives. Thus, the material becomes an essential material for the development of our society. In terms of developments, the future importance of PC boards in various industries is not a little variable, so that hardening of PC boards is a very important step.
The mode of hardening the surface of the PC board in the market at present is to carry the PC board to a cutting machine by manpower, cut the PC board into certain fixed sizes according to the processing requirement, then carry to a coating machine, harden and coat the PC board just cut, but the work of hardening and coating that goes on is only a link, and the intensity of hardening to the PC board can not reach the intensity that needs.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the existing defects and provides a PC board surface hardness strengthening process which can further strengthen the hardness of the PC board surface.
In order to solve the technical problems, the invention provides the following technical scheme: a PC board surface hardness reinforcing process comprises the following steps: the method comprises the following steps: unwinding a PC roll: the driving device drives the coiled PC board coiled material to rotate and enters the PC board coiled material unreeling traction device; step two: stripping the protective film: detecting tension between traction and coating through a PC plate coiled material unreeling traction device, then peeling the protective film through a protective film peeling device, and reeling the peeled protective film into a protective film reeling device; step three: coating a hardening liquid: feeding the peeled surface of the peeled PC coiled material into a continuous coating device for coating a high-molecular hardening liquid, and then sucking the PC coiled material by a vacuum suction roller device; step four: coating secondary hardening liquid: feeding the PC coiled material subjected to vacuum suction and traction roller device into a continuous coating device again for coating the high-molecular hardening liquid; then the mixture is sucked by a vacuum according to a traction roller device again and is stopped for at least five minutes to wait for solidification; step five: coating with a third hardening liquid: feeding the PC coiled material subjected to vacuum suction and traction roller device into a continuous coating device again for coating the high-molecular hardening liquid; then the vacuum suction is carried out again by a traction roller device; step six: and (3) a curing process: the hardening liquid is solidified by a hot air or infrared curing device and an ultraviolet UV curing device, passes through a guide edge ultrasonic probe and a drying box tension detection device, and then enters a composite cooling device together with a protective film of a protective film unwinding device for compounding; step seven: c, rolling the PC board: and entering a winding tension detection device to carry out a last procedure winding device.
Preferably, the polymer hardening liquid adopted in the third step is specifically polymer resin, a diluent, a photoinitiator and modified white graphene; 10-40 parts of polymer resin; the weight part of the diluent is 10-30 parts; the weight part of the photoinitiator is 0.01-5 parts; the modified white graphene accounts for 0.1-5 parts by weight; the modified white graphene is prepared by performing surface lipophilicity treatment on 2-5 layers of white graphene, and performing in-situ polymerization modification on the white graphene to obtain the white graphene coated and modified by a polymer.
Preferably, the polymer hardening liquid adopted in the fourth step is specifically polymer resin, a diluent, a photoinitiator and modified white graphene; the weight part of the polymer resin is 40-90 parts; the weight part of the diluent is 20-50 parts; the weight part of the photoinitiator is 1-10 parts; the modified white graphene accounts for 1-5 parts by weight; the modified white graphene is prepared by performing surface lipophilicity treatment on 2-5 layers of white graphene, and performing in-situ polymerization modification on the white graphene to obtain the white graphene coated and modified by a polymer.
Preferably, the polymer hardening liquid adopted in the fifth step is specifically polymer resin, a diluent, a photoinitiator and modified white graphene; 10-20 parts of polymer resin; the weight part of the diluent is 10-30 parts; the weight part of the photoinitiator is 1-10 parts; the modified white graphene accounts for 1-5 parts by weight; the modified white graphene is prepared by performing surface lipophilicity treatment on 5-10 layers of white graphene, and performing in-situ polymerization modification on the white graphene to obtain the white graphene coated and modified by a polymer.
Preferably, the polymer resin is 50-80 parts by weight; the weight part of the diluent is 20-40 parts; the weight portion of the photoinitiator is 3; the modified white graphene is prepared from 4 parts by weight of modified white graphene.
Preferably, the polymer resin is any one of acrylic resin, hydroxyethyl acrylate, organic silicon modified acrylic resin, polyurethane modified acrylic resin and polymethyl methacrylate; the diluent is at least one of toluene, xylene, acetone, butanone, isopropanol, butanol, ethyl acetate, butyl acetate and diethyl ether; the photoinitiator is any one of benzoin ether, benzophenone, isopropyl thia-ketone and 2, 2-diethoxy phenyl ethyl ketone.
The invention has the beneficial effects that: according to the PC board surface hardness reinforcing process, the PC board surface coating assembly, the thermosetting assembly and the ultraviolet UV curing assembly are adopted, so that the surface of the PC board coiled material is coated with the multilayer hardened coating, the surface hardness reaches at least 6H hardness, and meanwhile, the scratch is not easy to occur; the production efficiency is high, the continuous high-speed production is realized, the yield is high, and the material utilization rate is high; the operation is convenient, and the maintenance is convenient; the market prospect is wide; the inventive application of the white graphene is a single-layer or few-layer two-dimensional material which has the characteristics of high mechanical strength, high hardness, high wear resistance, white or transparent property and the like; the surface of the white graphene is subjected to polymer coating modification, so that good compatibility between the white graphene and a resin polymer is realized; the modified white graphene is further uniformly and dispersedly spread in the resin through a high-speed stirring and grinding dispersion process, a series of characteristics of the white graphene and good compatibility with the resin and a PET substrate are fully utilized and exerted, and the white graphene composite resin hardened layer formed after precise coating and curing greatly improves the wear resistance and the scratch resistance of the PET film and can effectively prevent deformation conditions such as upwarp and downwarp.
Detailed Description
The following description of the preferred embodiments of the present invention is provided for the purpose of illustration and description, and is in no way intended to limit the invention.
A PC board surface hardness reinforcing process comprises the following steps: the method comprises the following steps: unwinding a PC roll: the driving device drives the coiled PC board coiled material to rotate and enters the PC board coiled material unreeling traction device; step two: stripping the protective film: detecting tension between traction and coating through a PC plate coiled material unreeling traction device, then peeling the protective film through a protective film peeling device, and reeling the peeled protective film into a protective film reeling device; step three: coating a hardening liquid: feeding the peeled surface of the peeled PC coiled material into a continuous coating device for coating a high-molecular hardening liquid, and then sucking the PC coiled material by a vacuum suction roller device; step four: coating secondary hardening liquid: feeding the PC coiled material subjected to vacuum suction and traction roller device into a continuous coating device again for coating the high-molecular hardening liquid; then the mixture is sucked by a vacuum according to a traction roller device again and is stopped for at least five minutes to wait for solidification; step five: coating with a third hardening liquid: feeding the PC coiled material subjected to vacuum suction and traction roller device into a continuous coating device again for coating the high-molecular hardening liquid; then the vacuum suction is carried out again by a traction roller device; step six: and (3) a curing process: the hardening liquid is solidified by a hot air or infrared curing device and an ultraviolet UV curing device, passes through a guide edge ultrasonic probe and a drying box tension detection device, and then enters a composite cooling device together with a protective film of a protective film unwinding device for compounding; step seven: c, rolling the PC board: and entering a winding tension detection device to carry out a last procedure winding device.
The polymer hardening liquid adopted in the third step is specifically polymer resin, a diluent, a photoinitiator and modified white graphene; 10-40 parts of polymer resin; the weight part of the diluent is 10-30 parts; the weight part of the photoinitiator is 0.01-5 parts; the modified white graphene accounts for 0.1-5 parts by weight; the modified white graphene is prepared by performing surface lipophilicity treatment on 2-5 layers of white graphene, and performing in-situ polymerization modification on the white graphene to obtain the white graphene coated and modified by a polymer.
The polymer hardening liquid adopted in the fourth step is specifically polymer resin, a diluent, a photoinitiator and modified white graphene; the weight part of the polymer resin is 40-90 parts; the weight part of the diluent is 20-50 parts; the weight part of the photoinitiator is 1-10 parts; the modified white graphene accounts for 1-5 parts by weight; the modified white graphene is prepared by performing surface lipophilicity treatment on 2-5 layers of white graphene, and performing in-situ polymerization modification on the white graphene to obtain the white graphene coated and modified by a polymer.
The polymer hardening liquid adopted in the fifth step is specifically polymer resin, a diluent, a photoinitiator and modified white graphene; 10-20 parts of polymer resin; the weight part of the diluent is 10-30 parts; the weight part of the photoinitiator is 1-10 parts; the modified white graphene accounts for 1-5 parts by weight; the modified white graphene is prepared by performing surface lipophilicity treatment on 5-10 layers of white graphene, and performing in-situ polymerization modification on the white graphene to obtain the white graphene coated and modified by a polymer.
The polymer resin is 50-80 parts by weight; the weight part of the diluent is 20-40 parts; the weight portion of the photoinitiator is 3; the modified white graphene is prepared from 4 parts by weight of modified white graphene.
The polymer resin is any one of acrylic resin, hydroxyethyl acrylate, organic silicon modified acrylic resin, polyurethane modified acrylic resin and polymethyl methacrylate; the diluent is at least one of toluene, xylene, acetone, butanone, isopropanol, butanol, ethyl acetate, butyl acetate and diethyl ether; the photoinitiator is any one of benzoin ether, benzophenone, isopropyl thia-ketone and 2, 2-diethoxy phenyl ethyl ketone
According to the PC board surface hardness reinforcing process, the PC board surface coating assembly, the thermosetting assembly and the ultraviolet UV curing assembly are adopted, so that the surface of the PC board coiled material is coated with the multilayer hardened coating, the surface hardness reaches at least 6H hardness, and meanwhile, the scratch is not easy to occur; the production efficiency is high, the continuous high-speed production is realized, the yield is high, and the material utilization rate is high; the operation is convenient, and the maintenance is convenient; the market prospect is wide; the inventive application of the white graphene is a single-layer or few-layer two-dimensional material which has the characteristics of high mechanical strength, high hardness, high wear resistance, white or transparent property and the like; the surface of the white graphene is subjected to polymer coating modification, so that good compatibility between the white graphene and a resin polymer is realized; the modified white graphene is further uniformly and dispersedly spread in the resin through a high-speed stirring and grinding dispersion process, a series of characteristics of the white graphene and good compatibility with the resin and a PET substrate are fully utilized and exerted, and the white graphene composite resin hardened layer formed after precise coating and curing greatly improves the wear resistance and the scratch resistance of the PET film and can effectively prevent deformation conditions such as upwarp and downwarp.
The above embodiments are preferred embodiments of the present invention, and those skilled in the art can make variations and modifications to the above embodiments, therefore, the present invention is not limited to the above embodiments, and any obvious improvements, substitutions or modifications made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (6)
1. A PC board surface hardness reinforcing process is characterized in that: the method comprises the following steps: the method comprises the following steps: unwinding a PC roll: the driving device drives the coiled PC board coiled material to rotate and enters the PC board coiled material unreeling traction device; step two: stripping the protective film: detecting tension between traction and coating through a PC plate coiled material unreeling traction device, then peeling the protective film through a protective film peeling device, and reeling the peeled protective film into a protective film reeling device; step three: coating a hardening liquid: feeding the peeled surface of the peeled PC coiled material into a continuous coating device for coating a high-molecular hardening liquid, and then sucking the PC coiled material by a vacuum suction roller device; step four: coating secondary hardening liquid: feeding the PC coiled material subjected to vacuum suction and traction roller device into a continuous coating device again for coating the high-molecular hardening liquid; then the mixture is sucked by a vacuum according to a traction roller device again and is stopped for at least five minutes to wait for solidification; step five: coating with a third hardening liquid: feeding the PC coiled material subjected to vacuum suction and traction roller device into a continuous coating device again for coating the high-molecular hardening liquid; then the vacuum suction is carried out again by a traction roller device; step six: and (3) a curing process: the hardening liquid is solidified by a hot air or infrared curing device and an ultraviolet UV curing device, passes through a guide edge ultrasonic probe and a drying box tension detection device, and then enters a composite cooling device together with a protective film of a protective film unwinding device for compounding; step seven: c, rolling the PC board: and entering a winding tension detection device to carry out a last procedure winding device.
2. The PC board surface hardness enhancement process of claim 1, wherein: the polymer hardening liquid adopted in the third step is specifically polymer resin, a diluent, a photoinitiator and modified white graphene; 10-40 parts of polymer resin; the weight part of the diluent is 10-30 parts; the weight part of the photoinitiator is 0.01-5 parts; the modified white graphene accounts for 0.1-5 parts by weight; the modified white graphene is prepared by performing surface lipophilicity treatment on 2-5 layers of white graphene, and performing in-situ polymerization modification on the white graphene to obtain the white graphene coated and modified by a polymer.
3. The PC board surface hardness enhancement process of claim 1, wherein: the polymer hardening liquid adopted in the fourth step is specifically polymer resin, a diluent, a photoinitiator and modified white graphene; the weight part of the polymer resin is 40-90 parts; the weight part of the diluent is 20-50 parts; the weight part of the photoinitiator is 1-10 parts; the modified white graphene accounts for 1-5 parts by weight; the modified white graphene is prepared by performing surface lipophilicity treatment on 2-5 layers of white graphene, and performing in-situ polymerization modification on the white graphene to obtain the white graphene coated and modified by a polymer.
4. The PC board surface hardness enhancement process of claim 1, wherein: the polymer hardening liquid adopted in the fifth step is specifically polymer resin, a diluent, a photoinitiator and modified white graphene; 10-20 parts of polymer resin; the weight part of the diluent is 10-30 parts; the weight part of the photoinitiator is 1-10 parts; the modified white graphene accounts for 1-5 parts by weight; the modified white graphene is prepared by performing surface lipophilicity treatment on 5-10 layers of white graphene, and performing in-situ polymerization modification on the white graphene to obtain the white graphene coated and modified by a polymer.
5. The PC board surface hardness enhancement process of claim 3, wherein: the polymer resin is 50-80 parts by weight; the weight part of the diluent is 20-40 parts; the weight portion of the photoinitiator is 3; the modified white graphene is prepared from 4 parts by weight of modified white graphene.
6. The PC board surface hardness enhancement process of claim 2, or 3, or 4, wherein: the polymer resin is any one of acrylic resin, hydroxyethyl acrylate, organic silicon modified acrylic resin, polyurethane modified acrylic resin and polymethyl methacrylate; the diluent is at least one of toluene, xylene, acetone, butanone, isopropanol, butanol, ethyl acetate, butyl acetate and diethyl ether; the photoinitiator is any one of benzoin ether, benzophenone, isopropyl thia-ketone and 2, 2-diethoxy phenyl ethyl ketone.
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|---|---|---|---|
| CN202010799501.6A CN111892733A (en) | 2020-08-11 | 2020-08-11 | PC board surface hardness reinforcing process |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104827688A (en) * | 2015-05-03 | 2015-08-12 | 佛山市崇源机械有限公司 | Process and apparatus for surface-hardening treatment of PC board coil |
| CN106147636A (en) * | 2015-04-01 | 2016-11-23 | 上海精涂新材料技术有限公司 | A kind of hardening protecting film and production method thereof |
| CN108219608A (en) * | 2018-01-05 | 2018-06-29 | 广东纳路纳米科技有限公司 | A kind of preparation method of white graphite alkene compound resin hardening bath and PET hardened layers |
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- 2020-08-11 CN CN202010799501.6A patent/CN111892733A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106147636A (en) * | 2015-04-01 | 2016-11-23 | 上海精涂新材料技术有限公司 | A kind of hardening protecting film and production method thereof |
| CN104827688A (en) * | 2015-05-03 | 2015-08-12 | 佛山市崇源机械有限公司 | Process and apparatus for surface-hardening treatment of PC board coil |
| CN108219608A (en) * | 2018-01-05 | 2018-06-29 | 广东纳路纳米科技有限公司 | A kind of preparation method of white graphite alkene compound resin hardening bath and PET hardened layers |
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