CN113308105A - Antibacterial antioxidant laser etching auxiliary agent and preparation method thereof - Google Patents
Antibacterial antioxidant laser etching auxiliary agent and preparation method thereof Download PDFInfo
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- CN113308105A CN113308105A CN202110697893.XA CN202110697893A CN113308105A CN 113308105 A CN113308105 A CN 113308105A CN 202110697893 A CN202110697893 A CN 202110697893A CN 113308105 A CN113308105 A CN 113308105A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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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
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0862—Nickel
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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
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0881—Titanium
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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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3009—Sulfides
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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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/324—Alkali metal phosphate
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Abstract
The invention discloses an antibacterial antioxidant laser etching aid and a preparation method thereof, wherein the antibacterial antioxidant laser etching aid comprises the following raw materials in parts by weight: 50-90 parts of polycarbonate, 10-30 parts of trisodium phosphate, 10-30 parts of glass fiber, 10-25 parts of manganese oxide, 1-5 parts of titanium powder, 0.1-1 part of lubricant, 5-10 parts of antioxidant, 1-10 parts of nickel powder, 10-30 parts of flame retardant, 10-40 parts of toughening agent and 1-10 parts of PMMA resin. The method comprises the following steps: the method comprises the following steps: weighing trisodium phosphate, trisodium phosphate and manganese oxide, and putting the trisodium phosphate, the trisodium phosphate and the manganese oxide into the mixed solution to obtain a first mixture, and a second step: adding distilled water into the mixture I, and performing a third step: putting the reagents into a stirrer, weighing the antioxidant during stirring, adding the antioxidant into the mixture in batches to obtain a mixture, and performing the fourth step: putting the mixture into a glass container, standing at normal temperature, removing the supernatant, and performing a sixth step: weighing magnesium powder and nickel powder, adding the magnesium powder and the nickel powder into the ultrasonic processor, and drying the materials to obtain a finished product.
Description
Technical Field
The invention relates to the technical field of laser printing materials, in particular to an antibacterial anti-oxidation laser etching auxiliary agent and a preparation method thereof.
Background
With the rapid development of photoelectronic technology, the application range of laser engraving technology is more and more extensive, the requirement for engraving precision is higher and higher, the laser engraving is based on numerical control technology, laser is processing medium, the physical denaturation of instant melting and gasification of processing material under the irradiation of laser engraving can make laser engraving achieve the purpose of processing, the laser engraving is to use laser technology to engrave characters on the object, the characters engraved by the technology have no nick, the surface of the object is still smooth, the handwriting can not be worn, the laser engraving auxiliary agent is a plastic product or product, the handwriting on the surface of the plastic product is not fuzzy or marked during the laser marking process, and a trace amount of special chemical substance must be added, so that the marked handwriting is clear, bright and beautiful, and does not drop permanently, and has no influence on the original color and performance of the plastic.
However, in the prior art, the laser engraving auxiliary agent is used for preparing a produced product, the laser marking effect cannot be improved, the falling-off condition is easy to occur, the laser engraving auxiliary agent does not have an antibacterial effect, is easy to corrode by bacteria, shortens the service life, does not have the antioxidant capacity, is easy to change color under long-time use, influences the attractiveness of the product in use, reduces the use effect of the product, and limits the application range.
Disclosure of Invention
The invention aims to provide an antibacterial anti-oxidation laser etching auxiliary agent and a preparation method thereof, and aims to solve the problems that in the prior art provided by the background art, the product produced by preparing the laser etching auxiliary agent cannot improve the laser marking effect, is easy to fall off, does not have an antibacterial effect when used, is easy to be corroded by bacteria, shortens the service life, does not have the anti-oxidation capacity, is easy to discolor when used for a long time, influences the attractiveness of the product when used, reduces the use effect of the product and limits the application range.
In order to achieve the purpose, the invention provides the following technical scheme: an antibacterial and antioxidant laser etching aid and a preparation method thereof are disclosed, and the anti-oxidant laser etching aid comprises the following raw materials in parts by weight: 50-90 parts of polycarbonate, 10-30 parts of trisodium phosphate, 10-30 parts of glass fiber, 10-25 parts of manganese oxide, 1-5 parts of titanium powder, 0.1-1 part of lubricant, 5-10 parts of antioxidant, 1-10 parts of nickel powder, 10-30 parts of flame retardant, 10-40 parts of toughening agent and 1-10 parts of PMMA resin.
Preferably, the feed comprises the following raw materials in parts by weight: 45-75 parts of polycarbonate, 15-25 parts of trisodium phosphate, 15-20 parts of glass fiber, 5-20 parts of manganese oxide, 3.5-4.5 parts of titanium powder, 0.5-1 part of lubricant, 4-8 parts of antioxidant, 3-7 parts of nickel powder, 15-20 parts of flame retardant, 11-30 parts of toughening agent and 5-8 parts of PMMA resin.
Preferably, the feed comprises the following raw materials in parts by weight: 65 parts of polycarbonate, 20 parts of trisodium phosphate, 15 parts of glass fiber, 15 parts of manganese oxide, 4 parts of titanium powder, 0.5 part of lubricant, 7 parts of antioxidant, 6 parts of nickel powder, 12 parts of flame retardant, 15 parts of toughening agent and 6 parts of PMMA resin.
Preferably, the antioxidant is a dialkyldithiophosphate, and the dialkyldithiophosphate is zinc dialkyldithiophosphate.
Preferably, the lubricant is molybdenum disulfide.
Preferably, the glass fiber is a common cylindrical section glass fiber and/or an abnormal section glass fiber, the cross section of the glass fiber is a variable section abnormal section glass fiber and/or a constant section abnormal section glass fiber, and the abnormal degree of the constant section abnormal section glass fiber is 1.5-4: 1; the diameter of the glass fiber is 6-13 mm.
A preparation method of an antibacterial antioxidant laser etching aid comprises the following steps:
the method comprises the following steps: uniformly mixing weak acid and water in a mass ratio of 1-3:3 to obtain a mixed solution, weighing trisodium phosphate, trisodium phosphate and manganese oxide, and putting the trisodium phosphate, trisodium phosphate and manganese oxide into the mixed solution to obtain a mixture I;
step two: adding distilled water into the mixture I, and mixing for 30-50 minutes at a stirring speed of 800-1200 r/min and at a temperature of 20-30 ℃ to obtain a reagent A with a mass fraction of 1.8-3.0%;
step three: the reagent A is put into a stirrer to be stirred at the temperature of 110-150 ℃ at the frequency of 1000-1500r/min, and the antioxidant is weighed during the stirring process and added into the mixture A in batches to obtain a mixture B;
step four: placing the mixture B into a glass container, standing for 6-8h at normal temperature, and removing the supernatant to obtain a mixture C;
step five: adding a lubricant, a flame retardant, a toughening agent, PMMA resin and glass fibers into the mixture C, setting the rotating speed of a stirring kettle to be 800-1200 r/min, and dispersing for 30 minutes to obtain a mixture D;
step six: and weighing magnesium powder and nickel powder, adding the magnesium powder and the nickel powder into the mixture D, putting the mixture into an ultrasonic processor, carrying out ultrasonic treatment for 30-45 minutes, and drying the materials to obtain a finished product.
Preferably, the drying temperature in the sixth step is 100-300 ℃.
Compared with the prior art, the invention has the beneficial effects that: the antibacterial anti-oxidation laser etching auxiliary agent and the preparation method thereof have the advantages that the glass fiber is added to the product to improve the antibacterial effect of the auxiliary agent, the product can be better used, the antioxidant is added to improve the self anti-oxidation effect of the product, the weak acid and the water in the mass ratio are uniformly mixed according to the proportion to obtain a mixed solution, the trisodium phosphate and the manganese oxide are weighed and put into the mixed solution to obtain a mixture I, adding distilled water into the first mixture, adding the reagent into a stirrer for stirring, weighing antioxidant during stirring, adding the antioxidant into the mixture in batches to obtain a mixture, placing the mixture into a glass container, standing at normal temperature, removing supernatant, adding lubricant and glass fiber into the mixture, weighing magnesium powder and nickel powder, adding the magnesium powder and the nickel powder into the mixture, and then putting the mixture into an ultrasonic processor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the steps in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that: an antibacterial antioxidant laser etching aid comprises the following raw materials in parts by weight: 50-90 parts of polycarbonate, 10-30 parts of trisodium phosphate, 10-30 parts of glass fiber, 10-25 parts of manganese oxide, 1-5 parts of titanium powder, 0.1-1 part of lubricant, 5-10 parts of antioxidant, 1-10 parts of nickel powder, 10-30 parts of flame retardant, 10-40 parts of toughening agent and 1-10 parts of PMMA resin.
A preparation method of an antibacterial antioxidant laser etching aid comprises the following steps:
the method comprises the following steps: uniformly mixing weak acid and water in a mass ratio of 1-3:3 to obtain a mixed solution, weighing trisodium phosphate, trisodium phosphate and manganese oxide, and putting the trisodium phosphate, trisodium phosphate and manganese oxide into the mixed solution to obtain a mixture I;
step two: adding distilled water into the mixture I, and mixing for 30-50 minutes at a stirring speed of 800-1200 r/min and at a temperature of 20-30 ℃ to obtain a reagent A with a mass fraction of 1.8-3.0%;
step three: the reagent A is put into a stirrer to be stirred at the temperature of 110-150 ℃ at the frequency of 1000-1500r/min, and the antioxidant is weighed during the stirring process and added into the mixture A in batches to obtain a mixture B;
step four: placing the mixture B into a glass container, standing for 6-8h at normal temperature, and removing the supernatant to obtain a mixture C;
step five: adding a lubricant and glass fibers into the mixture C, setting the rotating speed of a stirring kettle to be 800-1200 r/min, and dispersing for 30 minutes to obtain a mixture D;
step six: weighing magnesium powder and nickel powder, adding the magnesium powder and the nickel powder into the mixture D, putting the mixture D into an ultrasonic processor, carrying out ultrasonic treatment for 30-45 minutes, and drying the materials to obtain a finished product;
the first embodiment is as follows:
taking 50 parts of polycarbonate, 10 parts of trisodium phosphate, 10 parts of manganese oxide, 1 part of titanium powder, 0.1 part of lubricant, 5 parts of antioxidant, 1 part of nickel powder, 10 parts of flame retardant, 10 parts of toughening agent and 1 part of PMMA resin,
the preparation method of the laser etching auxiliary agent in the embodiment comprises the following steps:
the method comprises the following steps: uniformly mixing weak acid and water in a mass ratio of 1:3 to obtain a mixed solution, weighing trisodium phosphate, trisodium phosphate and manganese oxide, and putting the trisodium phosphate, the trisodium phosphate and the manganese oxide into the mixed solution to obtain a mixture I;
step two: adding distilled water into the mixture I, and mixing for 30 minutes at a stirring speed of 800r/min and a temperature of 20 ℃ to obtain a reagent A with a mass fraction of 1.8%;
step three: putting the reagent A into a stirrer, stirring at the temperature of 110 ℃ at the frequency of 1000, weighing an antioxidant in the stirring process, and adding the antioxidant into the mixture A in batches to obtain a mixture B;
step four: placing the mixture B into a glass container, standing for 6 hours at normal temperature, and removing the supernatant to obtain a mixture C;
step five: adding a lubricant, a flame retardant, a toughening agent and PMMA resin into the mixture C, setting the rotating speed of a stirring kettle to be 800r/min, and dispersing for 30 minutes to obtain a mixture D;
step six: and weighing magnesium powder and nickel powder, adding the magnesium powder and the nickel powder into the mixture D, putting the mixture into an ultrasonic processor, carrying out ultrasonic treatment for 30 minutes, and drying the materials to obtain a finished product.
Example two:
90 parts of polycarbonate, 30 parts of trisodium phosphate, 30 parts of glass fiber, 25 parts of manganese oxide, 5 parts of titanium powder, 1 part of lubricant, 10 parts of nickel powder, 10 parts of flame retardant, 10 parts of toughener, 1 part of PMMA resin, 15 parts of flame retardant, 20 parts of toughener and 2 parts of PMMA resin
The preparation method of the laser etching auxiliary agent in the embodiment comprises the following steps:
the method comprises the following steps: uniformly mixing weak acid and water in a mass ratio of 3:3 according to a ratio to obtain a mixed solution, weighing trisodium phosphate, trisodium phosphate and manganese oxide, and putting the trisodium phosphate, trisodium phosphate and manganese oxide into the mixed solution to obtain a mixture I;
step two: adding distilled water into the mixture I, and mixing for 50 minutes at the stirring speed of 1200r/min and the temperature of 30 ℃ to obtain a reagent A with the mass fraction of 3.0%;
step three: putting the reagent A into a stirrer, and stirring at the temperature of 150 ℃ at the frequency of 1500r/min to obtain a mixture B;
step four: placing the mixture B into a glass container, standing for 8 hours at normal temperature, and removing the supernatant to obtain a mixture C;
step five: adding a lubricant, a flame retardant, a toughening agent, PMMA resin and glass fibers into the mixture C, setting the rotating speed of a stirring kettle to be 1200r/min, and dispersing for 30 minutes to obtain a mixture D;
step six: and weighing magnesium powder and nickel powder, adding the magnesium powder and the nickel powder into the mixture D, putting the mixture into an ultrasonic processor, carrying out ultrasonic treatment for 45 minutes, and drying the materials to obtain a finished product.
Example three:
60 parts of polycarbonate, 20 parts of trisodium phosphate, 20 parts of glass fiber, 15 parts of manganese oxide, 4 parts of titanium powder, 0.5 part of lubricant, 7 parts of antioxidant, 8 parts of nickel powder, 10 parts of flame retardant, 10 parts of toughening agent and 1 part of PMMA resin.
The preparation method of the laser etching auxiliary agent in the embodiment comprises the following steps:
the method comprises the following steps: uniformly mixing weak acid and water in a mass ratio of 1:3 to obtain a mixed solution, weighing trisodium phosphate, trisodium phosphate and manganese oxide, and putting the trisodium phosphate, the trisodium phosphate and the manganese oxide into the mixed solution to obtain a mixture I;
step two: adding distilled water into the mixture I, and mixing for 30 minutes at a stirring speed of 800 and a temperature of 20 ℃ to obtain a reagent A with a mass fraction of 1.8%;
step three: putting the reagent A into a stirrer, stirring at the temperature of 150 ℃ at the frequency of 1000r/min, weighing an antioxidant in the stirring process, and adding the antioxidant into the mixture A in batches to obtain a mixture B;
step four: placing the mixture B into a glass container, standing for 6 hours at normal temperature, and removing the supernatant to obtain a mixture C;
step five: adding a lubricant, a flame retardant, a toughening agent, PMMA resin and glass fibers into the mixture C, setting the rotating speed of a stirring kettle to be 800r/min, and dispersing for 30 minutes to obtain a mixture D;
step six: and weighing magnesium powder and nickel powder, adding the magnesium powder and the nickel powder into the mixture D, putting the mixture into an ultrasonic processor, carrying out ultrasonic treatment for 45 minutes, and drying the materials to obtain a finished product.
Example four
70 parts of polycarbonate, 25 parts of trisodium phosphate, 16 parts of manganese oxide, 3 parts of titanium powder, 0.8 part of lubricant, 3 parts of nickel powder, 10 parts of flame retardant, 10 parts of toughening agent and 1 part of PMMA resin.
The preparation method of the laser etching auxiliary agent in the embodiment comprises the following steps:
the method comprises the following steps: uniformly mixing weak acid and water in a mass ratio of 3:3 according to a ratio to obtain a mixed solution, weighing trisodium phosphate, trisodium phosphate and manganese oxide, and putting the trisodium phosphate, trisodium phosphate and manganese oxide into the mixed solution to obtain a mixture I;
step two: adding distilled water into the mixture I, and mixing for 50 minutes at the stirring speed of 1200r/min and the temperature of 30 ℃ to obtain a reagent A with the mass fraction of 3.0%;
step three: putting the reagent A into a stirrer, and stirring at the temperature of 150 ℃ at the frequency of 1500r/min to obtain a mixture B;
step four: placing the mixture B into a glass container, standing for 8 hours at normal temperature, and removing the supernatant to obtain a mixture C;
step five: adding a lubricant, a flame retardant, a toughening agent and PMMA resin into the mixture C, setting the rotating speed of a stirring kettle to be 1200r/min, and dispersing for 30 minutes to obtain a mixture D;
step six: weighing magnesium powder and nickel powder, adding the magnesium powder and the nickel powder into the mixture D, putting the mixture into an ultrasonic processor, carrying out ultrasonic treatment for 30 minutes, and drying the materials to obtain a finished product
Example 1 compared with example 3, does not contain glass fiber, other than the embodiment 3 the same;
example 2 compared with example 3, no antioxidant is contained, and the rest is the same as example 3;
example 4 compared to example 3, no glass fiber and antioxidant were included, the other being the same as example 3.
Performance detection
Examples 1 to 4 were added to plastics, respectively, and then laser-printed, and the pattern was observed to obtain table 1.
TABLE 1
| Group of | Graph integrity | Definition of the pattern | Brightness of pattern |
| Example 3 | Superior food | Superior food | Superior food |
| Example 1 | In general | Good wine | Good wine |
| Example 2 | Good wine | In general | Good wine |
| Example 4 | In general | In general | In general |
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An antibacterial antioxidant laser etching aid comprises the following raw materials in parts by weight: 50-90 parts of polycarbonate, 10-30 parts of trisodium phosphate, 10-30 parts of glass fiber, 10-25 parts of manganese oxide, 1-5 parts of titanium powder, 0.1-1 part of lubricant, 5-10 parts of antioxidant, 1-10 parts of nickel powder, 10-30 parts of flame retardant, 10-40 parts of toughening agent and 1-10 parts of PMMA resin.
2. The antibacterial antioxidant laser etching aid as claimed in claim 1, wherein the auxiliary comprises: the feed comprises the following raw materials in parts by weight: 45-75 parts of polycarbonate, 15-25 parts of trisodium phosphate, 15-20 parts of glass fiber, 5-20 parts of manganese oxide, 3.5-4.5 parts of titanium powder, 0.5-1 part of lubricant, 4-8 parts of antioxidant, 3-7 parts of nickel powder, 15-20 parts of flame retardant, 11-30 parts of toughening agent and 5-8 parts of PMMA resin.
3. The antibacterial antioxidant laser etching aid as claimed in claim 1, wherein the auxiliary comprises: the feed comprises the following raw materials in parts by weight: 65 parts of polycarbonate, 20 parts of trisodium phosphate, 15 parts of glass fiber, 15 parts of manganese oxide, 4 parts of titanium powder, 0.5 part of lubricant, 7 parts of antioxidant, 6 parts of nickel powder, 12 parts of flame retardant, 15 parts of toughening agent and 6 parts of PMMA resin.
4. The antibacterial antioxidant laser etching aid as claimed in claim 1, wherein the auxiliary comprises: the antioxidant is a dialkyldithiophosphate, and the dialkyldithiophosphate is zinc dialkyldithiophosphate.
5. The antibacterial antioxidant laser etching aid as claimed in claim 1, wherein the auxiliary comprises: the lubricant is molybdenum disulfide.
6. The antibacterial antioxidant laser etching aid as claimed in claim 1, wherein the auxiliary comprises: the glass fiber is a common cylindrical section glass fiber and/or an abnormal section glass fiber, the cross section of the glass fiber is a variable section abnormal section glass fiber and/or a constant section abnormal section glass fiber, and the abnormal degree of the constant section abnormal section glass fiber is 1.5-4: 1; the diameter of the glass fiber is 6-13 mm.
7. The antibacterial and antioxidant laser etching aid as claimed in claims 1-6, wherein the preparation method comprises the following steps:
the method comprises the following steps: uniformly mixing weak acid and water in a mass ratio of 1-3:3 to obtain a mixed solution, weighing trisodium phosphate, trisodium phosphate and manganese oxide, and putting the trisodium phosphate, trisodium phosphate and manganese oxide into the mixed solution to obtain a mixture I;
step two: adding distilled water into the mixture I, and mixing for 30-50 minutes at a stirring speed of 800-1200 r/min and at a temperature of 20-30 ℃ to obtain a reagent A with a mass fraction of 1.8-3.0%;
step three: the reagent A is put into a stirrer to be stirred at the temperature of 110-150 ℃ at the frequency of 1000-1500r/min, and the antioxidant is weighed during the stirring process and added into the mixture A in batches to obtain a mixture B;
step four: placing the mixture B into a glass container, standing for 6-8h at normal temperature, and removing the supernatant to obtain a mixture C;
step five: adding a lubricant, a flame retardant, a toughening agent, PMMA resin and glass fibers into the mixture C, setting the rotating speed of a stirring kettle to be 800-1200 r/min, and dispersing for 30 minutes to obtain a mixture D;
step six: and weighing magnesium powder and nickel powder, adding the magnesium powder and the nickel powder into the mixture D, putting the mixture into an ultrasonic processor, carrying out ultrasonic treatment for 30-45 minutes, and drying the materials to obtain a finished product.
8. The preparation method of the antibacterial and antioxidant laser etching assistant according to claim 1, which is characterized by comprising the following steps: the drying temperature in the sixth step is 100-300 ℃.
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| CN202110697893.XA CN113308105A (en) | 2021-06-23 | 2021-06-23 | Antibacterial antioxidant laser etching auxiliary agent and preparation method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108530680A (en) * | 2018-04-10 | 2018-09-14 | 佛山市南海和琦润高分子材料有限公司 | A kind of laser carving auxiliary agent and preparation method thereof |
| CN112341666A (en) * | 2020-11-09 | 2021-02-09 | 中广核高新核材科技（苏州）有限公司 | Preparation method of modified LDS laser etching auxiliary agent and LDS composite material |
-
2021
- 2021-06-23 CN CN202110697893.XA patent/CN113308105A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108530680A (en) * | 2018-04-10 | 2018-09-14 | 佛山市南海和琦润高分子材料有限公司 | A kind of laser carving auxiliary agent and preparation method thereof |
| CN112341666A (en) * | 2020-11-09 | 2021-02-09 | 中广核高新核材科技（苏州）有限公司 | Preparation method of modified LDS laser etching auxiliary agent and LDS composite material |
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