CN109762251A - One kind can green laser marking composition and melt blending preparation method - Google Patents
One kind can green laser marking composition and melt blending preparation method Download PDFInfo
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- CN109762251A CN109762251A CN201910066083.7A CN201910066083A CN109762251A CN 109762251 A CN109762251 A CN 109762251A CN 201910066083 A CN201910066083 A CN 201910066083A CN 109762251 A CN109762251 A CN 109762251A
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- green
- laser marking
- marking composition
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- colourant
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Abstract
The present invention provides one kind can green laser marking composition and melt blending preparation method, belong to polymeric material field.Composition component include: by high molecular polymer be 100 parts by weight in terms of, the content of contained green colourant is 0.1~10 parts by weight；Atrament content is 0.1~20 parts by weight.Method includes: by the component including the high molecular polymer, green colourant, atrament by the component proportion melt blending.The present invention marks Green Marker in the surface laser of dark material by addition green colourant.
Description
Technical field
The present invention relates to one kind can green laser marking composition and melt blending preparation method, belong to high molecular material neck
Domain, and in particular to can be with the composition and preparation method of laser color label.
Background technique
With the development of the times, laser marking technology oneself had become a kind of effective label processing method, in each row
Each industry has obtained more and more extensive utilization.The superiority of laser marking Technology application is increasingly clearly presented in face of people,
It can get various texts, symbol and pattern etc., and character boundary can be from millimeter to micron dimension, this has the anti-fake of product
Special meaning.
Laser marking technology at present at home and abroad just gradually paid attention to by people by industrial application, various novel mark systems
System emerges one after another, it is replacing traditional labeling method with its unique advantage.Some developed countries are by the skill in the world
Technological standards of the art as industrial processes, China also pay much attention to this technology, which is classified as " eight or five fire by State Scientific and Technological Commission
Torch plan " is developed and is promoted.It has caused the attention of domestic more and more manufacturers now, will can replace passing
The marking process of system injects new vitality to production.Therefore, laser marking has huge development potentiality and wide city
Field prospect.
The character and pattern of laser index carving, the selective problems of the color shown also gradually by the attention of user, and
As most important index in several technical indicators that must pay close attention in various manufacturers' market competition of production laser marking machine it
One.Currently, progress colour-coded is relatively difficult on plastic substrate, how to obtain colour-coded and be applied to beautifying and decorating
It is the challenge in future work.Therefore, laser color Mark technology is the technology of an innovation, will be had in following market
Be widely applied.106566068 A of patent CN can be swashed using laser marking powder, warming substance, polymer's mixing treatment for one kind
The composition of honorable color marker, but its not light color or white base, need to add specific laser marking powder can laser labelling face
Color.107353604 A of patent CN also need to add laser marking powder on the basis of black masterbatch and can mark.The application is in one kind
On the basis of atrament, without adding additional laser marking powder, it is only necessary to after colorant, atrament are blended with polymer,
Laser labelling can be formed, it is simple and convenient, it is low in cost.
Summary of the invention
To solve the problem in the prior art, the present invention provides one kind can green laser marking composition and melting
Preparation method is blended.The composition can with laser substrate surface formed Green Marker so that marking and background have compared with
High contrast.
Technical solution of the present invention is as follows:
One kind can green laser marking composition, the composition includes a kind of green colourant, a kind of atrament and height
Molecularly Imprinted Polymer.
By high molecular polymer be 100 parts by weight in terms of, the content of contained green colourant is 0.1~10 parts by weight, preferably 1
~5 parts by weight；Atrament content is 0.1~20 parts by weight, preferably 1~10 parts by weight.
The finished product is laser marked into green.
The high molecular polymer is polyethylene, polypropylene, polyisobutene, polystyrene, polyvinyl chloride, polymethyl
One or more of sour methyl esters, polycarbonate, polyamide, polyester, polyphenylene oxide, polyurethane, nylon66 fiber, Acrylonitrile Butadiene-Styrene copolymer
Mixing.
The green colourant is aluminium phthualocyanine pigment or the solvable type copper phthalocyanine system pigments or dyes of dyestuff, solvent.
Further, the green colourant is PG.7 Phthalocyanine Green G, PG.36 phthalocyanine green 3G/6G, Phthalocyanine Green G W, phthalocyanine green
The green G of GH, chrome oxide green, cobalt green, chrome green, DIC-721# phthalein, BASF HELIOGEN GREEN L8605, BASF HELIOGEN
L9361, DIC-264-7036 or BASF HELIOGEN GREEN K8730.
The atrament is that carbon black, melanin, black iron oxide, titanium be black, the mixing of one or more of zinc powder.
Auxiliary agent is added in the composition according to actual needs, the auxiliary agent is lubricant or antioxidant.
The laser for carrying out laser labelling to composition of the invention can be CO2Laser (wavelength 10600nm), Nd:
YAG laser (wavelength 1064nm and 532nm), pulsed UV laser (excimer laser) etc..
It is a kind of can green laser marking composition melt blending preparation method, specifically will include the high molecular polymerization
Object, green colourant and atrament are prepared by component proportion melt blending.
In the preparation process of the present composition, material melts blending temperature is institute in usual polymer material processing
Blending temperature, can be depending on polymer melting temperature.The blending equipment of material mixing in the preparation process in accordance with the present invention
Various mixing equipments used in the prior art, such as blender, kneader can be used.
Used melt blending equipment is the general blending equipment in Plastics Processing Industry in the preparation process in accordance with the present invention,
It can be double screw extruder, single screw extrusion machine, open mill or mixer etc..
It is a kind of can green laser marking composition laser labeling method, detailed process are as follows: by high molecular polymer, green
Colorant and atrament are uniformly mixed in a high speed mixer；The melting extrusion in double screw extruder by mixture, it is cooling
Pelletizing；By gained pellet in 90 DEG C of dry 12h, it is injection moulded at 180~240 DEG C, prepares standard batten as required and carry out
Laser labelling.
To the characterization of label can by visual observation font tags lines it is whether smooth, clear, whether wide area surface smooth
To determine.
Beneficial effects of the present invention: preparation method simple and reliable process of the present invention can be applied to nearly all
On the polymeric articles for needing to be marked in industrial department.For example, it is desired on article indicate the date of manufacture, validity date,
Bar code, house mark, series number etc..
Specific embodiment
Below with reference to embodiment, the present invention is further illustrated.
Embodiment 1:
For acrylic resin: by 100 parts by weight of acrylic resin, 0.1 parts by weight of carbon black, green colourantDIC-721# The green G of phthaleinIt is uniform that 0.1 parts by weight are placed in stirrer for mixing, then adds mixture into double screw extruder and melt altogether
Mixed, extruding pelletization, extrusion temperature is 160~220 DEG C, screw speed 300rpm.The material grain of extrusion is dry in 90 DEG C of baking ovens
Then 12h is injected into standard batten under conditions of 160~220 DEG C again, carry out laser marking test.
Embodiment 2:
For polyvinyl resin: by 100 parts by weight of polyvinyl resin, 2 parts by weight of melanin, green colourantBASF HELIOGEN GREEN L8605It is uniform that 1 parts by weight are placed in stirrer for mixing, then adds mixture into double screw extruder
Middle carry out melt blending, extruding pelletization, extrusion temperature are 160~220 DEG C, screw speed 300rpm.By the material grain of extrusion 90
Then dry 12h in DEG C baking oven is injected into standard batten under conditions of 160~220 DEG C again, carries out laser marking test.
Embodiment 3:
For polystyrene resin: by 100 parts by weight of polystyrene resin, 10 parts by weight of black iron oxide, green coloring
AgentBASF HELIOGEN L9361It is uniform that 5 parts by weight are placed in stirrer for mixing, then adds mixture into twin-screw extrusion
Melt blending, extruding pelletization are carried out in machine, extrusion temperature is 160~220 DEG C, screw speed 300rpm.The material grain of extrusion is existed
Then dry 12h in 90 DEG C of baking ovens is injected into standard batten under conditions of 160~220 DEG C again, carries out laser marking test.
Embodiment 4:
For ABS resin: by 100 parts by weight of ABS resin, black 20 parts by weight of titanium, green colourantDIC-264-7036 10
It is uniform that parts by weight are placed in stirrer for mixing, then adds mixture into and carries out melt blending in double screw extruder, extrusion is made
Grain, extrusion temperature are 160~220 DEG C, screw speed 300rpm.The material grain of extrusion is dried into 12h in 90 DEG C of baking ovens, then again
It is injected into standard batten under conditions of 160~220 DEG C, carries out laser marking test.
Embodiment 5:
For polycarbonate resin: by 100 parts by weight of polycarbonate resin, 12 parts by weight of zinc powder, green colourantBASF HELIOGEN GREEN K8730It is uniform that 8 parts by weight are placed in stirrer for mixing, then adds mixture into double screw extruder
Middle carry out melt blending, extruding pelletization, extrusion temperature are 160~220 DEG C, screw speed 300rpm.By the material grain of extrusion 90
Then dry 12h in DEG C baking oven is injected into standard batten under conditions of 160~220 DEG C again, carries out laser marking test.
Comparative example 1~2:
Other than green colourant is not added, remaining condition is identical as previous embodiment.
Comparative example 3:
For ABS resin: 100 parts by weight of ABS resin, 8 parts by weight of green colourant cobalt green are placed in stirrer for mixing
Uniformly, it then adds mixture into and carries out melt blending in double screw extruder, extruding pelletization, extrusion temperature is 160~220
DEG C, screw speed 300rpm.By the material grain of extrusion in 90 DEG C of baking ovens dry 12h, then infuse under conditions of 160~220 DEG C again
Standard batten is penetrated into, laser marking test is carried out.
Specific formula is shown in Table 1, and wherein each component content is in parts by weight.Laser labelling effect is as shown in table 1.
Table 1
It is not added with green colourant in comparative example 1,2, after mark, marker color is white or canescence；In comparative example 3,
Be not added with atrament, the matrix color be it is transparent or white, be unable to laser labelling.In embodiment 1-5, while black is added
Substance and green colourant, laser labelling excellent effect.
Claims (10)
1. one kind can green laser marking composition, which is characterized in that the composition includes a kind of green colourant, a kind of black
Substance and high molecular polymer；
By high molecular polymer be 100 parts by weight in terms of, the content of contained green colourant is 0.1~10 parts by weight；Atrament
Content is 0.1~20 parts by weight；
The atrament is that carbon black, melanin, black iron oxide, titanium be black, the mixing of one or more of zinc powder.
2. one kind according to claim 1 can green laser marking composition, which is characterized in that the content of green colourant
It is 1~5 parts by weight, atrament content is 1~10 parts by weight.
3. one kind according to claim 1 or 2 can green laser marking composition, which is characterized in that the polyphosphazene polymer
Conjunction object is polyethylene, polypropylene, polyisobutene, polystyrene, polyvinyl chloride, polymethyl methacrylate, polycarbonate, polyamides
The mixing of one or more of amine, polyester, polyphenylene oxide, polyurethane, nylon66 fiber, Acrylonitrile Butadiene-Styrene copolymer；The green colourant is
Aluminium phthualocyanine pigment or the solvable type copper phthalocyanine system pigments or dyes of dyestuff, solvent.
4. one kind according to claim 1 or 2 can green laser marking composition, which is characterized in that the green coloring
Agent is PG.7 Phthalocyanine Green G, PG.36 phthalocyanine green 3G/6G, Phthalocyanine Green G W, Phthalocyanine Green G H, chrome oxide green, cobalt green, chrome green, DIC-
The green G of 721# phthalein, BASF HELIOGEN GREEN L8605, BASF HELIOGEN L9361, DIC-264-7036 or BASF
HELIOGEN GREEN K8730。
5. one kind according to claim 3 can green laser marking composition, which is characterized in that the green colourant is
PG.7 Phthalocyanine Green G, PG.36 phthalocyanine green 3G/6G, Phthalocyanine Green G W, Phthalocyanine Green G H, chrome oxide green, cobalt green, chrome green, DIC-721#
The green G of phthalein, BASF HELIOGEN GREEN L8605, BASF HELIOGEN L9361, DIC-264-7036 or BASF
HELIOGEN GREEN K8730。
6. according to claim 1, one kind described in 2 or 5 can green laser marking composition, which is characterized in that the combination
Auxiliary agent is added in object according to actual needs, the auxiliary agent is lubricant or antioxidant.
7. one kind according to claim 3 can green laser marking composition, which is characterized in that root in the composition
Auxiliary agent is added according to actual demand, the auxiliary agent is lubricant or antioxidant.
8. one kind according to claim 4 can green laser marking composition, which is characterized in that root in the composition
Auxiliary agent is added according to actual demand, the auxiliary agent is lubricant or antioxidant.
9. one kind can green laser marking composition melt blending preparation method, which is characterized in that being specifically will be comprising described
High molecular polymer, green colourant and atrament are prepared by component proportion melt blending.
10. one kind can green laser marking composition laser labeling method, which is characterized in that detailed process are as follows: by macromolecule
Polymer, green colourant and atrament are uniformly mixed in a high speed mixer；Mixture is melted in double screw extruder
Melt extrusion, cooling and dicing；By gained pellet in 90 DEG C of dry 12h, it is injection moulded at 180~240 DEG C, prepares standard as required
Batten simultaneously carries out laser labelling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910066083.7A CN109762251A (en) | 2019-01-24 | 2019-01-24 | One kind can green laser marking composition and melt blending preparation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910066083.7A CN109762251A (en) | 2019-01-24 | 2019-01-24 | One kind can green laser marking composition and melt blending preparation method |
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| CN109762251A true CN109762251A (en) | 2019-05-17 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW314534B (en) * | 1993-09-01 | 1997-09-01 | Hoechst Ag | |
| CN101497287A (en) * | 2004-01-16 | 2009-08-05 | 大科能树脂有限公司 | Multi-color marking-carrying molding and laser marking method |
-
2019
- 2019-01-24 CN CN201910066083.7A patent/CN109762251A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW314534B (en) * | 1993-09-01 | 1997-09-01 | Hoechst Ag | |
| CN101497287A (en) * | 2004-01-16 | 2009-08-05 | 大科能树脂有限公司 | Multi-color marking-carrying molding and laser marking method |
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Application publication date: 20190517 |