CN109878240B - Metal-like business card with biodegradation function and preparation method thereof - Google Patents
Metal-like business card with biodegradation function and preparation method thereof Download PDFInfo
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- CN109878240B CN109878240B CN201910137572.7A CN201910137572A CN109878240B CN 109878240 B CN109878240 B CN 109878240B CN 201910137572 A CN201910137572 A CN 201910137572A CN 109878240 B CN109878240 B CN 109878240B
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Abstract
A metal-like business card with biodegradation function and a preparation method thereof belong to the field of business card preparation methods. The technical problem to be solved by the invention is to manufacture the name card by using the biodegradable material as the substrate. After the biodegradable polyvinyl chloride plate is prepared, a bottom layer is printed by a silk screen: preparing a silk-screen printing base material, printing gold or silver on the front surface and the back surface of the biodegradable polyvinyl chloride substrate prepared in the step b by silk-screen printing, wherein the printing times are 2-5 times per surface, carrying out hot pressing after printing, printing a first UV printing layer, printing a second UV printing layer, synthesizing at high temperature and high pressure, cooling to room temperature in a cold pot, and carrying out die cutting by using a die cutting machine to obtain the metal-like business card with the biodegradable function. According to the invention, the biodegradable polyvinyl chloride substrate is combined with the metal-like shading full name card, so that the texture of the biodegradable polyvinyl chloride substrate as a name card substrate can be improved, the discarded name card can be degraded within a certain time, and the environment-friendly name card has a protection significance.
Description
Technical Field
The invention belongs to the field of a business card preparation method; in particular to a metal-like business card with biodegradation function and a preparation method thereof.
Background
In modern society, the use of business cards is quite common, the business cards are mainly generated for communication, in the past, due to the fact that economy and traffic are not developed, the communication range of people is not wide, and the demand for the business cards is not large. With the rapid development of economy, the number of people to people is increased, the number of business cards used is increased, and business cards for business activities become the mainstream of the market. The material of the business card is also improved from paper business card to plastic business card. The plastic business card generally has better printing precision and aesthetic feeling, but the non-degradability of the plastic is not beneficial to environmental protection when the business card is discarded due to the large use of the plastic in the business card.
Disclosure of Invention
The invention aims to provide a metal-like business card with a biodegradation function and a preparation method thereof.
The invention is realized by the following technical scheme:
the preparation method of the metal-like business card with the biodegradation function comprises the following steps:
step a, preparing a biodegradable polyvinyl chloride material: weighing rapeseed meal in a certain weight, uniformly mixing, dissolving in a sodium bisulfite solution with a certain concentration, stirring and leaching for 40-60 min, filtering to obtain a protein solution, then adding a mixed solution of hydrogen peroxide and acetic acid in a certain volume, reacting at 80-85 ℃ for 40-80 min, performing centrifugal separation after reaction to obtain modified protein, respectively weighing a certain amount of the modified protein, polyvinyl chloride, polylactic acid, tetrabutyl titanate, maleic anhydride grafted polyethylene copolymer and polyethylene wax in parts by weight, adding into a high-speed mixer, stirring for a certain time, adding into a kneader, mixing and kneading to obtain a mixture for later use;
step b, preparing the biodegradable polyvinyl chloride substrate: b, adding the mixture obtained in the step a into plate extrusion molding equipment, and performing extrusion molding to obtain a biodegradable polyvinyl chloride substrate;
step c, screen printing of a bottom layer: b, preparing a screen printing base material, printing gold or silver on the front surface and the back surface of the biodegradable polyvinyl chloride substrate prepared in the step b through screen printing, wherein the printing frequency is 2-5 times per surface, and performing hot pressing after printing to obtain a screen printing base layer for later use;
step d, printing a first UV printing layer: c, designing and publishing a simulated metal shading on a computer plane, and performing offset printing and curing on the front surface and the back surface of the silk-screen printing bottom layer prepared in the step c to obtain a first UV printing layer for later use;
step e, printing a second UV printing layer: designing and publishing a computer plane, and performing offset printing and curing on the front side and the back side of the first UV printing layer prepared in the step d to obtain a first preprocessed printed matter for later use;
step f, high-temperature high-pressure synthesis: e, synthesizing the first preprocessed printed matter obtained in the step e at high temperature and high pressure by using a laminating machine to obtain a second preprocessed printed matter for later use;
step g, preparing the metal-like business card with the degradation function: and f, cooling the second preprocessed printed matter obtained in the step f to room temperature in a cooling pot, and performing die cutting by using a die cutting machine to obtain the metal-like business card with the biodegradation function.
The preparation method of the metal-like business card with the biodegradation function comprises the following steps of (a) 200-300 parts of rapeseed meal by weight, 0.5-5 g/l of sodium bisulfite solution by weight, and a feed-liquid ratio of the rapeseed meal to the sodium bisulfite solution is 15-40: 100g/ml, and the volume ratio of the protein solution to the mixed solution of hydrogen peroxide and acetic acid is 100: 0.01-10, wherein the volume ratio of the hydrogen peroxide to the acetic acid in the mixed solution of the hydrogen peroxide and the acetic acid is 1-3: 1, the concentration of the acetic acid is 38 wt%.
The preparation method of the metal-like business card with the biodegradation function comprises the following steps of (a) 8-17 parts by weight of modified protein, 20-30 parts by weight of polyvinyl chloride, 5-9 parts by weight of polylactic acid, 0.05-0.2 part by weight of tetrabutyl titanate, 0.5-2 parts by weight of maleic anhydride grafted polyethylene copolymer, 0.5-1.5 parts by weight of polyethylene wax, 3000-5000 r/min of high-speed stirring speed, 20-40 min of stirring time, 210-220 ℃ of kneading temperature of a kneading machine and 0.5-3 h of kneading time.
According to the preparation method of the metal-like business card with the biodegradation function, the thickness of the biodegradable polyvinyl chloride-based plate prepared in the step b is 0.05-0.15 cm.
The preparation method of the metal-like business card with the biodegradation function comprises the step c, wherein the silk-screen printing ink is mainly prepared from 75-80 parts by weight of golden ink or silver ink, 6-10 parts by weight of 783 solvent, 0.5-2 parts by weight of 719 solvent and 12-15 parts by weight of pore former, the golden ink or silver ink, the 783 solvent, the 719 solvent and the pore former are respectively weighed according to the parts by weight, and are uniformly mixed and then printed, the hot pressing temperature is 120 ℃, the hot pressing pressure is 8-10 MPa, and the hot pressing time is 1-3 min.
The invention relates to a preparation method of a metal-imitated business card with a biodegradation function, wherein in the step d, first UV printing layer ink is mainly made of golden ink or black ink, ITX and EDB, the parts by weight of the ink are respectively 30-50 parts of the golden ink or the black ink, 0.01-0.5 part of the ITX and 0.05-0.5 part of the EDB, the metal-imitated shading of each business card is that an English letter is respectively arranged at the upper left corner and the lower right corner of the business card, the English letter is taken as the innermost layer, a zigzag shading is arranged from inside to outside, the widest width of the zigzag shading at the upper left corner accounts for 80% of the total width of each business card, the longest length of the zigzag shading at the upper left corner accounts for 48.8% of the total length of each business card, the widest width of the zigzag shading at the lower right corner accounts for 80% of the total width of each business card, the highest height of the zigzag shading at the lower right corner accounts for 51.2% of the total height of each business card, and the left corner of each business card is provided with a transverse fold line, the upper right corner of every business card is provided with the rightmost end and is the horizontal broken line shading of pitch arc, and the shading of every business card rightmost end total length 11.6% is the pitch arc transition, and the distance between every shading and the shading is 0.02 ~ 0.75 mm.
In the preparation method of the metal-like business card with the biodegradation function, in the step e, the second UV printing layer ink is mainly prepared from color ink or black ink, ITX and EDB, and the weight parts of the second UV printing layer ink are respectively 30-50 parts of color ink or black ink, 0.01-0.5 part of ITX and 0.05-0.5 part of EDB.
The preparation method of the metal-like business card with the biodegradation function comprises the step f, wherein the high-temperature and high-pressure synthesis conditions are that the temperature is 115-125 ℃, the lamination pressure is 9-11 MPa, and the lamination time is 15-20 min.
The preparation method of the metal-like business card with the biodegradation function comprises the step g of cooling for 20min, wherein each business card subjected to die cutting is 8.6-8.8 cm in length and 4.6-4.8 cm in width.
The invention relates to a metal-like business card with biodegradation function, which is prepared by the preparation method of the metal-like business card with biodegradation function, and the preparation method of the metal-like business card with biodegradation function comprises the following steps:
step a, preparing a biodegradable polyvinyl chloride material: weighing rapeseed meal in a certain weight, uniformly mixing, dissolving in a sodium bisulfite solution with a certain concentration, stirring and leaching for 40-60 min, filtering to obtain a protein solution, then adding a mixed solution of hydrogen peroxide and acetic acid in a certain volume, reacting at 80-85 ℃ for 40-80 min, performing centrifugal separation after reaction to obtain modified protein, respectively weighing a certain amount of the modified protein, polyvinyl chloride, polylactic acid, tetrabutyl titanate, maleic anhydride grafted polyethylene copolymer and polyethylene wax in parts by weight, adding into a high-speed mixer, stirring for a certain time, adding into a kneader, mixing and kneading to obtain a mixture for later use;
step b, preparing the biodegradable polyvinyl chloride substrate: b, adding the mixture obtained in the step a into plate extrusion molding equipment, and performing extrusion molding to obtain a biodegradable polyvinyl chloride substrate;
step c, screen printing of a bottom layer: b, preparing a screen printing base material, printing gold or silver on the front surface and the back surface of the biodegradable polyvinyl chloride substrate prepared in the step b through screen printing, wherein the printing frequency is 2-5 times per surface, and performing hot pressing after printing to obtain a screen printing base layer for later use;
step d, printing a first UV printing layer: c, designing and publishing a simulated metal shading on a computer plane, and performing offset printing and curing on the front surface and the back surface of the silk-screen printing bottom layer prepared in the step c to obtain a first UV printing layer for later use;
step e, printing a second UV printing layer: designing and publishing a computer plane, and performing offset printing and curing on the front side and the back side of the first UV printing layer prepared in the step d to obtain a first preprocessed printed matter for later use;
step f, high-temperature high-pressure synthesis: e, synthesizing the first preprocessed printed matter obtained in the step e at high temperature and high pressure by using a laminating machine to obtain a second preprocessed printed matter for later use;
step g, preparing the metal-like business card with the degradation function: and f, cooling the second preprocessed printed matter obtained in the step f to room temperature in a cooling pot, and performing die cutting by using a die cutting machine to obtain the metal-like business card with the biodegradation function.
A preparation method of a biodegradable polyvinyl chloride material facing a metal-like business card comprises the steps of weighing rapeseed meal in a certain weight, uniformly mixing, dissolving in a sodium bisulfite solution with a certain concentration, stirring and leaching for 40-60 min, filtering to obtain a protein solution, then adding a certain volume of a mixed solution of hydrogen peroxide and acetic acid, reacting at 80-85 ℃ for 40-80 min, performing centrifugal separation after reaction to obtain modified protein, respectively weighing a certain amount of the modified protein, polyvinyl chloride, polylactic acid, tetrabutyl titanate, maleic anhydride grafted polyethylene copolymer and polyethylene wax in parts by weight, adding into a high-speed mixer, stirring for a certain time, adding into a kneader, mixing and kneading to obtain a mixture for later use; the weight part of the rapeseed meal is 200-300 parts, the concentration of the sodium bisulfite solution is 0.5-5 g/l, and the feed liquid ratio of the rapeseed meal to the sodium bisulfite solution is 15-40: 100g/ml, and the volume ratio of the protein solution to the mixed solution of hydrogen peroxide and acetic acid is 100: 0.01-10, wherein the volume ratio of the hydrogen peroxide to the acetic acid in the mixed solution of the hydrogen peroxide and the acetic acid is 1-3: 1, the concentration of the acetic acid is 38 wt%; and adding the obtained mixture into plate extrusion molding equipment, and carrying out extrusion molding to obtain the biodegradable polyvinyl chloride substrate.
The invention has the beneficial effects that:
according to the preparation method of the metal-like business card with the biodegradation function, the chemical name of ITX is 2 isopropyl thioxanthone, and the metal-like business card can be used for transparent or colored UV-curing silk-screen printing ink, copying varnish, lithographic printing ink, flexo printing ink, electronic products, wood coating, adhesive and high-efficiency photoinitiator of photoresist, and is used together with an amine synergist EDB.
According to the preparation method of the metal-like business card with the biodegradation function, the chemical name of EDB is 4-dimethylamino-ethyl benzoate, the EDB is an efficient amine compounding agent, and the EDB is used together with a free radical II type photoinitiator to be suitable for UV polymerization of an amine synergist with a single or multiple functional groups, wherein the oligomer is solid, and the amine synergist is used for sub-products such as lithographic printing ink, adhesive, silk-screen printing ink, solder resist ink and the like.
According to the preparation method of the metal-like business card with the biodegradation function, the UV printing has a three-dimensional effect, the EDB and the ITX are added into the ink of the UV printing layer, so that the photocuring speed of the ink of the common UV printing layer is increased, and the further refinement of the printed pattern is realized.
According to the preparation method of the metal-like business card with the biodegradation function, the prepared biodegradable polyvinyl chloride substrate replaces a traditional PVC (polyvinyl chloride) plate to prepare the business card, compared with the traditional PVC plate, the biodegradable polyvinyl chloride substrate has poorer texture of the obtained business card by utilizing a traditional printing method, the texture of the biodegradable polyvinyl chloride substrate serving as the business card substrate can be improved by combining the biodegradable polyvinyl chloride substrate and the metal-like shading full-name plate, the prepared business card is more exquisite, the biodegradable polyvinyl chloride substrate serves as the substrate to prepare the business card, the discarded business card can be degraded within a certain time, and the preparation method has a protective significance on the environment.
Drawings
FIG. 1 is a line drawing of a metal-like shading of the metal-like business card with biodegradation function according to the present invention.
Detailed Description
The first embodiment is as follows:
the preparation method of the metal-like business card with the biodegradation function comprises the following steps:
step a, preparing a biodegradable polyvinyl chloride material: weighing rapeseed meal in a certain weight, uniformly mixing, dissolving in a sodium bisulfite solution with a certain concentration, stirring and leaching for 50min, filtering to obtain a protein solution, then adding a mixed solution of hydrogen peroxide and acetic acid in a certain volume, reacting for 50min at 80-85 ℃, performing centrifugal separation after reaction to obtain modified protein, respectively weighing a certain amount of the modified protein, polyvinyl chloride, polylactic acid, tetrabutyl titanate, maleic anhydride grafted polyethylene copolymer and polyethylene wax in parts by weight, adding into a high-speed mixer, stirring for a certain time, adding into a kneader, mixing and kneading to obtain a mixture for later use;
step b, preparing the biodegradable polyvinyl chloride substrate: b, adding the mixture obtained in the step a into plate extrusion molding equipment, and performing extrusion molding to obtain a biodegradable polyvinyl chloride substrate;
step c, screen printing of a bottom layer: b, preparing a screen printing base material, printing gold or silver on the front surface and the back surface of the biodegradable polyvinyl chloride substrate prepared in the step b through screen printing, wherein the printing frequency is 3 times/surface, and performing hot pressing after printing to obtain a screen printing bottom layer for later use;
step d, printing a first UV printing layer: c, designing and publishing a simulated metal shading on a computer plane, and performing offset printing and curing on the front surface and the back surface of the silk-screen printing bottom layer prepared in the step c to obtain a first UV printing layer for later use;
step e, printing a second UV printing layer: designing and publishing a computer plane, and performing offset printing and curing on the front side and the back side of the first UV printing layer prepared in the step d to obtain a first preprocessed printed matter for later use;
step f, high-temperature high-pressure synthesis: e, synthesizing the first preprocessed printed matter obtained in the step e at high temperature and high pressure by using a laminating machine to obtain a second preprocessed printed matter for later use;
step g, preparing the metal-like business card with the degradation function: and f, cooling the second preprocessed printed matter obtained in the step f to room temperature in a cooling pot, and performing die cutting by using a die cutting machine to obtain the metal-like business card with the biodegradation function.
In the method for preparing the metal-like business card with the biodegradation function according to the embodiment, in the step a, the parts by weight of the rapeseed meal are 260 parts, the concentration of the sodium bisulfite solution is 2.5g/l, and the material-to-liquid ratio of the rapeseed meal to the sodium bisulfite solution is 19: 100g/ml, and the volume ratio of the protein solution to the mixed solution of hydrogen peroxide and acetic acid is 100: 1.2, wherein the volume ratio of the hydrogen peroxide to the acetic acid in the mixed solution of the hydrogen peroxide and the acetic acid is 1.5: 1, the concentration of the acetic acid is 38 wt%.
In the preparation method of the metal-like business card with the biodegradation function, in the step a, the modified protein is 14 parts by weight, the polyvinyl chloride is 26 parts by weight, the polylactic acid is 7 parts by weight, the tetrabutyl titanate is 0.1 part by weight, the maleic anhydride grafted polyethylene copolymer is 0.8 part by weight, the polyethylene wax is 0.9 part by weight, the high-speed stirring speed is 3000r/min, the stirring time is 30min, the kneading temperature of a kneader is 210-220 ℃, and the kneading time is 1 h.
In the method for manufacturing the metal-like business card with the biodegradable function according to the embodiment, the thickness of the biodegradable polyvinyl chloride-based plate manufactured in the step b is 0.1 cm.
In the preparation method of the metal-like business card with the biodegradation function, the screen printing ink in the step c is mainly prepared from 75 parts by weight of gold ink or silver ink, 6 parts by weight of 783 solvent, 0.5 part by weight of 719 solvent and 12 parts by weight of pore former, the gold ink or silver ink, the 783 solvent, the 719 solvent and the pore former are respectively weighed according to the parts by weight, and the gold ink or the silver ink, the 783 solvent, the 719 solvent and the pore former are uniformly mixed and then printed, the hot pressing temperature is 120 ℃, the hot pressing pressure is 8Mpa, and the hot pressing time is 3 min.
In the preparation method of the metal-like business card with the biodegradation function, the first UV printing layer ink in the step d is mainly made of golden ink or black ink, ITX and EDB, the weight parts of the ink are respectively 50 parts of the golden ink or the black ink, 0.5 part of ITX and 0.05 part of EDB, the metal-like shading of each business card is that English letters are respectively arranged at the upper left corner and the lower right corner of the business card, the English letters are taken as the innermost layer, the zigzag shading is arranged from inside to outside, the widest width of the zigzag shading at the upper left corner accounts for 80% of the total width of each business card, the longest length of the zigzag shading at the upper left corner accounts for 48.8% of the total length of each business card, the widest width of the zigzag shading at the lower right corner accounts for 80% of the total width of each business card, the highest height of the zigzag shading at the lower right corner accounts for 51.2% of the total height of each business card, and the shading of the transverse fold lines is arranged at the left corner of each business card, the upper right corner of every business card is provided with the rightmost end and is the horizontal broken line shading of pitch arc, and the shading of every business card rightmost end total length 11.6% is the pitch arc transition, and the distance between every shading and the shading is 0.02 ~ 0.75 mm.
In the preparation method of the metal-like business card with a biodegradable function in this embodiment, the second UV printing layer ink in step e is mainly made of color ink or black ink, ITX, and EDB, and the weight parts of the second UV printing layer ink are 50 parts of color ink or black ink, 0.5 part of ITX, and 0.5 part of EDB, respectively.
In the preparation method of the metal-like business card with the biodegradation function, the high-temperature and high-pressure synthesis conditions in the step f are 120 ℃, the lamination pressure is 10MPa, and the lamination time is 20 min.
In the preparation method of the metal-like business card with the biodegradation function, the cooling time in the step g is 20min, and each business card after die cutting has the length of 8.6cm and the width of 4.6 cm.
The ratio of the performance of the metal-like business card with biodegradation function prepared by the method for preparing the metal-like business card with biodegradation function of the present embodiment to the performance of the business card with biodegradation function alone and the performance of the ordinary PVC business card is shown in table 1:
TABLE 1 comparison of Properties
As can be seen from table 1, the metal-like business card with biodegradation function prepared by the method for preparing a metal-like business card with biodegradation function according to the present embodiment can not only improve the gloss of the biodegradable polyvinyl chloride substrate, but also increase the texture of metal, has a pencil hardness of 4, and has biodegradability, and is green and environmentally friendly.
The second embodiment is as follows:
the preparation method of the metal-like business card with the biodegradation function comprises the following steps:
step a, preparing a biodegradable polyvinyl chloride material: weighing rapeseed meal in a certain weight, uniformly mixing, dissolving in a sodium bisulfite solution with a certain concentration, stirring and leaching for 60min, filtering to obtain a protein solution, then adding a mixed solution of hydrogen peroxide and acetic acid in a certain volume, reacting for 80min at 80-85 ℃, performing centrifugal separation after reaction to obtain modified protein, respectively weighing a certain amount of the modified protein, polyvinyl chloride, polylactic acid, tetrabutyl titanate, maleic anhydride grafted polyethylene copolymer and polyethylene wax in parts by weight, adding into a high-speed mixer, stirring for a certain time, adding into a kneader, mixing and kneading to obtain a mixture for later use;
step b, preparing the biodegradable polyvinyl chloride substrate: b, adding the mixture obtained in the step a into plate extrusion molding equipment, and performing extrusion molding to obtain a biodegradable polyvinyl chloride substrate;
step c, screen printing of a bottom layer: b, preparing a screen printing base material, printing gold or silver on the front surface and the back surface of the biodegradable polyvinyl chloride substrate prepared in the step b through screen printing, wherein the printing frequency is 2-5 times per surface, and performing hot pressing after printing to obtain a screen printing base layer for later use;
step d, printing a first UV printing layer: c, designing and publishing a simulated metal shading on a computer plane, and performing offset printing and curing on the front surface and the back surface of the silk-screen printing bottom layer prepared in the step c to obtain a first UV printing layer for later use;
step e, printing a second UV printing layer: designing and publishing a computer plane, and performing offset printing and curing on the front side and the back side of the first UV printing layer prepared in the step d to obtain a first preprocessed printed matter for later use;
step f, high-temperature high-pressure synthesis: e, synthesizing the first preprocessed printed matter obtained in the step e at high temperature and high pressure by using a laminating machine to obtain a second preprocessed printed matter for later use;
step g, preparing the metal-like business card with the degradation function: and f, cooling the second preprocessed printed matter obtained in the step f to room temperature in a cooling pot, and performing die cutting by using a die cutting machine to obtain the metal-like business card with the biodegradation function.
In the preparation method of the metal-like business card with biodegradation function according to the embodiment, in the step a, the parts by weight of the rapeseed meal are 300, the concentration of the sodium bisulfite solution is 5g/l, and the material-liquid ratio of the rapeseed meal to the sodium bisulfite solution is 40: 100g/ml, and the volume ratio of the protein solution to the mixed solution of hydrogen peroxide and acetic acid is 100: 5, the volume ratio of the hydrogen peroxide to the acetic acid in the mixed solution of the hydrogen peroxide and the acetic acid is 3: 1, the concentration of the acetic acid is 38 wt%.
In the preparation method of the metal-like business card with the biodegradation function, the modified protein in the step a is 17 parts by weight, the polyvinyl chloride is 30 parts by weight, the polylactic acid is 9 parts by weight, the tetrabutyl titanate is 0.2 part by weight, the maleic anhydride grafted polyethylene copolymer is 2 parts by weight, the polyethylene wax is 1.5 parts by weight, the high-speed stirring speed is 5000r/min, the stirring time is 40min, the kneading temperature of a kneading machine is 210-220 ℃, and the kneading time is 1 h.
In the method for manufacturing the metal-like business card with the biodegradable function according to the embodiment, the thickness of the biodegradable polyvinyl chloride-based plate manufactured in the step b is 0.15 mm.
In the preparation method of the metal-like business card with the biodegradation function, in the step c, the screen printing ink is mainly prepared from 80 parts by weight of gold ink or silver ink, 10 parts by weight of 783 solvent, 2 parts by weight of 719 solvent, 15 parts by weight of aperturing agent, and the gold ink or silver ink, 783 solvent, 719 solvent and aperturing agent are respectively weighed according to the parts by weight and are uniformly mixed and then printed, wherein the hot pressing temperature is 120 ℃, the hot pressing pressure is 10Mpa, and the hot pressing time is 3 min.
In the preparation method of the metal-like business card with the biodegradation function, the first UV printing layer ink in the step d is mainly made of golden ink or black ink, ITX and EDB, the weight parts of the ink are respectively 50 parts of the golden ink or the black ink, 0.5 part of ITX and 0.5 part of EDB, the metal-like shading of each business card is that English letters are respectively arranged at the upper left corner and the lower right corner of the business card, the English letters are taken as the innermost layer, the zigzag shading is arranged from inside to outside, the widest width of the zigzag shading at the upper left corner accounts for 80 percent of the total width of each business card, the longest length of the zigzag shading at the upper left corner accounts for 48.8 percent of the total length of each business card, the widest width of the zigzag shading at the lower right corner accounts for 80 percent of the total width of each business card, the highest height of the zigzag shading at the lower right corner accounts for 51.2 percent of the total height of each business card, and the shading of the cross-fold lines are arranged at the left corner of each business card, the upper right corner of every business card is provided with the rightmost end and is the horizontal broken line shading of pitch arc, and the shading of every business card rightmost end total length 11.6% is the pitch arc transition, and the distance between every shading and the shading is 0.02 ~ 0.75 mm.
In the preparation method of the metal-like business card with a biodegradable function in this embodiment, the second UV printing layer ink in step e is mainly made of color ink or black ink, ITX, and EDB, and the weight parts of the second UV printing layer ink are 50 parts of color ink or black ink, 0.5 part of ITX, and 0.5 part of EDB, respectively.
In the preparation method of the metal-like business card with the biodegradation function, the high-temperature and high-pressure synthesis conditions in the step f are 125 ℃, the lamination pressure is 11MPa, and the lamination time is 20 min.
In the preparation method of the metal-like business card with the biodegradation function, the cooling time in the step g is 20min, and each business card after die cutting has the length of 8.6cm and the width of 4.6 cm.
The ratio of the performance of the metal-like business card with biodegradation function prepared by the method for preparing the metal-like business card with biodegradation function of the present embodiment to the performance of the business card with biodegradation function alone and the performance of the ordinary PVC business card is shown in table 2:
TABLE 2 comparison of Properties
As can be seen from table 2, the metal-like business card with biodegradation function prepared by the method for preparing a metal-like business card with biodegradation function according to the embodiment can improve the gloss of a biodegradable polyvinyl chloride substrate, increase the texture of metal, has a pencil hardness of 4, and has biodegradability, and is green and environment-friendly.
The third concrete implementation mode:
the preparation method of the metal-like business card with the biodegradation function comprises the following steps:
step a, preparing a biodegradable polyvinyl chloride material: weighing rapeseed meal in a certain weight, uniformly mixing, dissolving in a sodium bisulfite solution with a certain concentration, stirring and leaching for 40-60 min, filtering to obtain a protein solution, then adding a mixed solution of hydrogen peroxide and acetic acid in a certain volume, reacting at 80-85 ℃ for 40-80 min, performing centrifugal separation after reaction to obtain modified protein, respectively weighing a certain amount of the modified protein, polyvinyl chloride, polylactic acid, tetrabutyl titanate, maleic anhydride grafted polyethylene copolymer and polyethylene wax in parts by weight, adding into a high-speed mixer, stirring for a certain time, adding into a kneader, mixing and kneading to obtain a mixture for later use;
step b, preparing the biodegradable polyvinyl chloride substrate: b, adding the mixture obtained in the step a into plate extrusion molding equipment, and performing extrusion molding to obtain a biodegradable polyvinyl chloride substrate;
step c, screen printing of a bottom layer: b, preparing a screen printing base material, printing gold or silver on the front surface and the back surface of the biodegradable polyvinyl chloride substrate prepared in the step b through screen printing, wherein the printing frequency is 2-5 times per surface, and performing hot pressing after printing to obtain a screen printing base layer for later use;
step d, printing a first UV printing layer: c, designing and publishing a simulated metal shading on a computer plane, and performing offset printing and curing on the front surface and the back surface of the silk-screen printing bottom layer prepared in the step c to obtain a first UV printing layer for later use;
step e, printing a second UV printing layer: designing and publishing a computer plane, and performing offset printing and curing on the front side and the back side of the first UV printing layer prepared in the step d to obtain a first preprocessed printed matter for later use;
step f, high-temperature high-pressure synthesis: e, synthesizing the first preprocessed printed matter obtained in the step e at high temperature and high pressure by using a laminating machine to obtain a second preprocessed printed matter for later use;
step g, preparing the metal-like business card with the degradation function: and f, cooling the second preprocessed printed matter obtained in the step f to room temperature in a cooling pot, and performing die cutting by using a die cutting machine to obtain the metal-like business card with the biodegradation function.
The fourth concrete implementation mode:
according to a third specific embodiment, in the step a, the parts by weight of the rapeseed meal are 200-300, the concentration of the sodium bisulfite solution is 0.5-5 g/l, and the ratio of the rapeseed meal to the sodium bisulfite solution is 15-40: 100g/ml, and the volume ratio of the protein solution to the mixed solution of hydrogen peroxide and acetic acid is 100: 0.01-10, wherein the volume ratio of the hydrogen peroxide to the acetic acid in the mixed solution of the hydrogen peroxide and the acetic acid is 1-3: 1, the concentration of the acetic acid is 38 wt%.
The fifth concrete implementation mode:
according to the third specific embodiment, in the step a, the modified protein is 8 to 17 parts by weight, the polyvinyl chloride is 20 to 30 parts by weight, the polylactic acid is 5 to 9 parts by weight, the tetrabutyl titanate is 0.05 to 0.2 part by weight, the maleic anhydride grafted polyethylene copolymer is 0.5 to 2 parts by weight, the polyethylene wax is 0.5 to 1.5 parts by weight, the high-speed stirring speed is 3000 to 5000r/min, the stirring time is 20 to 40min, the kneading temperature of a kneader is 210 to 220 ℃, and the kneading time is 0.5 to 3 h.
The sixth specific implementation mode:
according to the third specific embodiment of the preparation method of the metal-like business card with the biodegradation function, the thickness of the biodegradable polyvinyl chloride-based plate prepared in the step b is 0.05-0.15 mm.
The seventh embodiment:
according to the third specific embodiment, in the step c, the screen printing ink is mainly made of gold ink or silver ink, 783 solvent, 719 solvent, pore forming agent and transparent ink, the gold ink or silver ink, 783 solvent, 719 solvent and pore forming agent are respectively weighed in parts by weight, 75-80 parts of gold ink or silver ink, 6-10 parts of 783 solvent, 0.5-2 parts of 719 solvent and 12-15 parts of pore forming agent are respectively weighed, the gold ink or silver ink, 783 solvent, 719 solvent and pore forming agent are respectively weighed in parts by weight, the gold ink or silver ink, the 783 solvent, the 719 solvent and the pore forming agent are uniformly mixed and then printed, the hot pressing temperature is 120 ℃, the hot pressing pressure is 8-10 Mpa, and the hot pressing time is 1-3 min.
The specific implementation mode is eight:
according to the third specific embodiment, the method for preparing the metal-like business card with the biodegradation function, the ink of the first UV printing layer in the step d is mainly made of golden ink or black ink, ITX and EDB, the weight parts of the ink are respectively 30-50 parts of golden ink or black ink, 0.01-0.5 part of ITX and 0.05-0.5 part of EDB, the metal-like shading of each business card is that an English letter is respectively arranged at the upper left corner and the lower right corner of the business card, the English letter is taken as the innermost layer, a square shading is arranged from inside to outside, the widest width of the square shading at the upper left corner accounts for 80% of the total width of each business card, the longest length of the square shading at the upper left corner accounts for 48.8% of the total length of each business card, the widest width of the square shading at the lower right corner accounts for 80% of the total width of each business card, the highest height of the square shading at the lower right corner accounts for 51.2% of the total height of each business card, the lower left corner of every business card is provided with the horizontal broken line shading, and the upper right corner of every business card is provided with the rightmost end and is the horizontal broken line shading of pitch arc, and the shading of every business card rightmost end total length 11.6% is the pitch arc transition, and the distance between every shading and the shading is 0.02 ~ 0.75 mm.
The specific implementation method nine:
according to the third specific embodiment of the method for preparing the metal-like business card with the biodegradable function, in the step e, the second UV printing layer ink is mainly made of color ink or black ink, ITX, and EDB, and the weight parts of the second UV printing layer ink are 30 to 50 parts of color ink or black ink, 0.01 to 0.5 part of ITX, and 0.05 to 0.5 part of EDB, respectively.
The detailed implementation mode is ten:
according to the third specific embodiment, in the step f, the high-temperature and high-pressure synthesis conditions are 115-125 ℃, the lamination pressure is 9-11 MPa, and the lamination time is 15-20 min.
The concrete implementation mode eleven:
according to the third specific embodiment of the preparation method of the metal-like business card with the biodegradation function, in the step g, the cooling time is 20min, and each business card subjected to die cutting is 8.6-8.8 cm in length and 4.6-4.8 cm in width.
The specific implementation mode twelve:
according to the third embodiment, the preparation method of the metal-like business card with the biodegradation function comprises the following steps:
step a, preparing a biodegradable polyvinyl chloride material: weighing rapeseed meal in a certain weight, uniformly mixing, dissolving in a sodium bisulfite solution with a certain concentration, stirring and leaching for 40-60 min, filtering to obtain a protein solution, then adding a mixed solution of hydrogen peroxide and acetic acid in a certain volume, reacting at 80-85 ℃ for 40-80 min, performing centrifugal separation after reaction to obtain modified protein, respectively weighing a certain amount of the modified protein, polyvinyl chloride, polylactic acid, tetrabutyl titanate, maleic anhydride grafted polyethylene copolymer and polyethylene wax in parts by weight, adding into a high-speed mixer, stirring for a certain time, adding into a kneader, mixing and kneading to obtain a mixture for later use;
step b, preparing the biodegradable polyvinyl chloride substrate: b, adding the mixture obtained in the step a into plate extrusion molding equipment, and performing extrusion molding to obtain a biodegradable polyvinyl chloride substrate;
step c, screen printing of a bottom layer: b, preparing a screen printing base material, printing gold or silver on the front surface and the back surface of the biodegradable polyvinyl chloride substrate prepared in the step b through screen printing, wherein the printing frequency is 2-5 times per surface, and performing hot pressing after printing to obtain a screen printing base layer for later use;
step d, preparing first UV printing layer ink: c, designing and publishing a simulated metal shading on a computer plane, and performing offset printing and curing on the front surface and the back surface of the silk-screen printing bottom layer prepared in the step c to obtain a first UV printing layer for later use;
step e, preparing second UV printing layer ink: designing and publishing a computer plane, and performing offset printing and curing on the front side and the back side of the first UV printing layer prepared in the step d to obtain a first preprocessed printed matter for later use;
step f, high-temperature high-pressure synthesis: e, synthesizing the first preprocessed printed matter obtained in the step e at high temperature and high pressure by using a laminating machine to obtain a second preprocessed printed matter for later use;
step g, preparing the metal-like business card with the degradation function: and f, cooling the second preprocessed printed matter obtained in the step f to room temperature in a cooling pot, and performing die cutting by using a die cutting machine to obtain the metal-like business card with the biodegradation function.
The specific implementation mode is thirteen:
the embodiment is an embodiment of a preparation method of a biodegradable polyvinyl chloride material for a metal-like business card, and the embodiment can exist independently and can further limit a specific embodiment.
A preparation method of a biodegradable polyvinyl chloride material facing a metal-like business card comprises the steps of weighing rapeseed meal in a certain weight, uniformly mixing, dissolving in a sodium bisulfite solution with a certain concentration, stirring and leaching for 40-60 min, filtering to obtain a protein solution, then adding a certain volume of a mixed solution of hydrogen peroxide and acetic acid, reacting at 80-85 ℃ for 40-80 min, performing centrifugal separation after reaction to obtain modified protein, respectively weighing a certain amount of the modified protein, polyvinyl chloride, polylactic acid, tetrabutyl titanate, maleic anhydride grafted polyethylene copolymer and polyethylene wax in parts by weight, adding into a high-speed mixer, stirring for a certain time, adding into a kneader, mixing and kneading to obtain a mixture for later use; the weight part of the rapeseed meal is 200-300 parts, the concentration of the sodium bisulfite solution is 0.5-5 g/l, and the feed liquid ratio of the rapeseed meal to the sodium bisulfite solution is 15-40: 100g/ml, and the volume ratio of the protein solution to the mixed solution of hydrogen peroxide and acetic acid is 100: 0.01-10, wherein the volume ratio of the hydrogen peroxide to the acetic acid in the mixed solution of the hydrogen peroxide and the acetic acid is 1-3: 1, the concentration of the acetic acid is 38 wt%; and adding the obtained mixture into plate extrusion molding equipment, and carrying out extrusion molding to obtain the biodegradable polyvinyl chloride substrate.
The ratio of the performance of the metal-like business card with biodegradation function prepared by the method for preparing biodegradable polyvinyl chloride material for metal-like business cards according to the embodiment to the performance of the business card with biodegradation function alone and the performance of the ordinary PVC business card is shown in Table 3:
TABLE 3 comparison of Properties
As can be seen from table 3, the metal-like business card with biodegradation function prepared by the method for preparing biodegradable polyvinyl chloride material for metal-like business card according to the embodiment can improve the gloss of the biodegradable polyvinyl chloride substrate, increase the texture of metal, has pencil hardness of 4, and has biodegradability, and is green and environment-friendly.
Claims (7)
1. The preparation method of the metal-like business card with the biodegradation function is characterized by comprising the following steps: the method comprises the following steps:
step a, preparing a biodegradable polyvinyl chloride material: weighing rapeseed dregs, uniformly mixing, dissolving in a sodium bisulfite solution, stirring and leaching for 40-60 min, filtering to obtain a protein solution, then adding a mixed solution of hydrogen peroxide and acetic acid, reacting at 80-85 ℃ for 40-80 min, performing centrifugal separation after reaction to obtain modified protein, respectively weighing the modified protein, polyvinyl chloride, polylactic acid, tetrabutyl titanate, maleic anhydride grafted polyethylene copolymer and polyethylene wax according to parts by weight, adding into a high-speed stirrer, stirring, adding into a kneader, mixing and kneading to obtain a mixture for later use;
step b, preparing the biodegradable polyvinyl chloride substrate: b, adding the mixture obtained in the step a into plate extrusion molding equipment, and performing extrusion molding to obtain a biodegradable polyvinyl chloride substrate;
step c, screen printing of a bottom layer: b, preparing a screen printing base material, printing gold or silver on the front surface and the back surface of the biodegradable polyvinyl chloride substrate prepared in the step b through screen printing, wherein the printing frequency is 2-5 times per surface, and performing hot pressing after printing to obtain a screen printing base layer for later use;
step d, printing a first UV printing layer: c, designing and publishing a simulated metal shading on a computer plane, and performing offset printing and curing on the front surface and the back surface of the silk-screen printing bottom layer prepared in the step c to obtain a first UV printing layer for later use;
step e, printing a second UV printing layer: designing and publishing a computer plane, and performing offset printing and curing on the front side and the back side of the first UV printing layer prepared in the step d to obtain a first preprocessed printed matter for later use;
step f, high-temperature high-pressure synthesis: e, synthesizing the first preprocessed printed matter obtained in the step e at high temperature and high pressure by using a laminating machine to obtain a second preprocessed printed matter for later use;
step g, preparing the metal-like business card with the degradation function: cooling the second preprocessed printed matter obtained in the step f to room temperature in a cooling pot, and performing die cutting by using a die cutting machine to obtain the metal-like business card with the biodegradation function;
in the step a, the weight parts of the rapeseed dregs are 200-300, the concentration of the sodium bisulfite solution is 0.5-5 g/l, and the material-liquid ratio of the rapeseed dregs to the sodium bisulfite solution is 15-40: 100g/ml, and the volume ratio of the protein solution to the mixed solution of hydrogen peroxide and acetic acid is 100: 0.01-10, wherein the volume ratio of the hydrogen peroxide to the acetic acid in the mixed solution of the hydrogen peroxide and the acetic acid is 1-3: 1, the concentration of the acetic acid is 38 wt%;
the modified protein in the step a is 8-17 parts by weight, the polyvinyl chloride is 20-30 parts by weight, the polylactic acid is 5-9 parts by weight, the tetrabutyl titanate is 0.05-0.2 part by weight, the maleic anhydride grafted polyethylene copolymer is 0.5-1.2 parts by weight, the polyethylene wax is 0.5-1.5 parts by weight, the high-speed stirring speed is 3000-5000 r/min, the stirring time is 20-40 min, the kneading temperature of a kneading machine is 210-220 ℃, and the kneading time is 0.5-3 h;
and f, performing high-temperature and high-pressure synthesis at 115-125 ℃ under the lamination pressure of 9-11 MPa for 15-20 min.
2. The method for preparing a metal-like business card with biodegradation as claimed in claim 1, wherein the method comprises the steps of: the thickness of the biodegradable polyvinyl chloride base plate prepared in the step b is 0.05-0.15 cm; the screen printing ink in the step c is prepared from 75-80 parts by weight of golden ink or silver ink, 6-10 parts by weight of 783 solvent, 0.5-2 parts by weight of 719 solvent and 12-15 parts by weight of pore forming agent, wherein the golden ink or silver ink, the 783 solvent, the 719 solvent and the pore forming agent are weighed respectively, mixed uniformly and printed, the hot pressing temperature is 120 ℃, the hot pressing pressure is 8-10 MPa, and the hot pressing time is 1-3 min.
3. The method for preparing a metal-like business card with biodegradation as claimed in claim 1, wherein the method comprises the steps of: in the step d, the first UV printing layer ink is made of golden ink or black ink, ITX and EDB, the parts by weight of the first UV printing layer ink are respectively 30-50 parts of golden ink or black ink, 0.01-0.5 part of ITX and 0.05-0.5 part of EDB, the simulated metal shading of each business card is that English letters are respectively arranged at the upper left corner and the lower right corner of the business card, the English letters are used as the innermost layer, a zigzag shading is arranged from inside to outside, the widest width of the zigzag shading at the upper left corner accounts for 80% of the total width of each business card, the longest length of the zigzag shading at the upper left corner accounts for 48.8% of the total length of each business card, the widest width of the zigzag shading at the lower right corner accounts for 80% of the total width of each business card, the highest height of the zigzag shading at the lower right corner accounts for 51.2% of the total height of each business card, a transverse fold line is arranged at the lower left corner of each business card, and the right end of each business card is provided with a transverse fold line arc line at the uppermost corner, the shading with the total length of 11.6% of the rightmost end of each business card is in arc transition, and the distance between each shading and each shading is 0.02-0.75 mm.
4. The method for preparing a metal-like business card with biodegradation as claimed in claim 1, wherein the method comprises the steps of: the second UV printing layer ink in the step e is prepared from 30-50 parts by weight of color ink or black ink, 0.01-0.5 part by weight of ITX and 0.05-0.5 part by weight of EDB.
5. The method for preparing a metal-like business card with biodegradation as claimed in claim 1, wherein the method comprises the steps of: and g, cooling for 20min, wherein the length of each business card subjected to die cutting is 8.6-8.8 cm, and the width of each business card is 4.6-4.8 cm.
6. A metal-like business card with biodegradation function prepared by the method for preparing the metal-like business card with biodegradation function according to any one of claims 1 to 5, wherein the method comprises the following steps: the preparation method of the metal-like business card with the biodegradation function comprises the following steps:
step a, preparing a biodegradable polyvinyl chloride material: weighing rapeseed dregs, uniformly mixing, dissolving in a sodium bisulfite solution, stirring and leaching for 40-60 min, filtering to obtain a protein solution, then adding a mixed solution of hydrogen peroxide and acetic acid, reacting at 80-85 ℃ for 40-80 min, performing centrifugal separation after reaction to obtain modified protein, respectively weighing the modified protein, polyvinyl chloride, polylactic acid, tetrabutyl titanate, maleic anhydride grafted polyethylene copolymer and polyethylene wax according to parts by weight, adding into a high-speed stirrer, stirring, adding into a kneader, mixing and kneading to obtain a mixture for later use;
step b, preparing the biodegradable polyvinyl chloride substrate: b, adding the mixture obtained in the step a into plate extrusion molding equipment, and performing extrusion molding to obtain a biodegradable polyvinyl chloride substrate;
step c, screen printing of a bottom layer: b, preparing a screen printing base material, printing gold or silver on the front surface and the back surface of the biodegradable polyvinyl chloride substrate prepared in the step b through screen printing, wherein the printing frequency is 2-5 times per surface, and performing hot pressing after printing to obtain a screen printing base layer for later use;
step d, preparing first UV printing layer ink: c, designing and publishing a simulated metal shading on a computer plane, and performing offset printing and curing on the front surface and the back surface of the silk-screen printing bottom layer prepared in the step c to obtain a first UV printing layer for later use;
step e, preparing second UV printing layer ink: designing and publishing a computer plane, and performing offset printing and curing on the front side and the back side of the first UV printing layer prepared in the step d to obtain a first preprocessed printed matter for later use;
step f, high-temperature high-pressure synthesis: e, synthesizing the first preprocessed printed matter obtained in the step e at high temperature and high pressure by using a laminating machine to obtain a second preprocessed printed matter for later use;
step g, preparing the metal-like business card with the degradation function: and f, cooling the second preprocessed printed matter obtained in the step f to room temperature in a cooling pot, and performing die cutting by using a die cutting machine to obtain the metal-like business card with the biodegradation function.
7. A preparation method of biodegradable polyvinyl chloride material for metal-like business cards is characterized by comprising the following steps: weighing rapeseed dregs, uniformly mixing, dissolving in a sodium bisulfite solution, stirring and leaching for 40-60 min, filtering to obtain a protein solution, then adding a mixed solution of hydrogen peroxide and acetic acid, reacting at 80-85 ℃ for 40-80 min, performing centrifugal separation after reaction to obtain modified protein, respectively weighing the modified protein, polyvinyl chloride, polylactic acid, tetrabutyl titanate, maleic anhydride grafted polyethylene copolymer and polyethylene wax according to parts by weight, adding into a high-speed stirrer, stirring, adding into a kneader, mixing and kneading to obtain a mixture for later use; the weight part of the rapeseed meal is 200-300 parts, the concentration of the sodium bisulfite solution is 0.5-5 g/l, and the feed liquid ratio of the rapeseed meal to the sodium bisulfite solution is 15-40: 100g/ml, and the volume ratio of the protein solution to the mixed solution of hydrogen peroxide and acetic acid is 100: 0.01-10, wherein the volume ratio of the hydrogen peroxide to the acetic acid in the mixed solution of the hydrogen peroxide and the acetic acid is 1-3: 1, the concentration of the acetic acid is 38 wt%; and adding the obtained mixture into plate extrusion molding equipment, and carrying out extrusion molding to obtain the biodegradable polyvinyl chloride substrate.
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| CN1584153A (en) * | 2004-05-25 | 2005-02-23 | 宋代轮 | Preparing method for rapeseed protein modified poval fibre |
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| CN107325441A (en) * | 2017-07-12 | 2017-11-07 | 章财华 | A kind of degradable polyvinyl chloride material and preparation method thereof |
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