CN112552716A - Method for preparing metal effect pigment without flow marks - Google Patents
Method for preparing metal effect pigment without flow marks Download PDFInfo
- Publication number
- CN112552716A CN112552716A CN202110006041.1A CN202110006041A CN112552716A CN 112552716 A CN112552716 A CN 112552716A CN 202110006041 A CN202110006041 A CN 202110006041A CN 112552716 A CN112552716 A CN 112552716A
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- CN
- China
- Prior art keywords
- pigment
- mixing
- effect pigment
- water
- bucket
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/62—Metallic pigments or fillers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/0015—Pigments exhibiting interference colours, e.g. transparent platelets of appropriate thinness or flaky substrates, e.g. mica, bearing appropriate thin transparent coatings
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/06—Treatment with inorganic compounds
- C09C3/063—Coating
Abstract
The invention discloses a method for preparing a flow mark-free metal effect pigment, which comprises the following steps: (1) selecting materials; (2) mixing for one; (3) mixing II; (4) synthesizing; (5) drying; (6) barreling, solving the problems of deposition and orientation of the metallic pigment when passing through the obstacle.
Description
Technical Field
The invention relates to the technical field of plastic processing, in particular to a method for manufacturing a metal effect pigment without flow marks.
Background
At present, the surface coupling agent treatment is almost adopted in the aspects of a large number of spraying-free technologies and patent formulas to enhance the binding capacity of the metallic pigment and the pearlescent pigment with a high polymer material, or the selection of resins with different viscosities and the like is adopted, and from the actual results, the spraying-free materials which are really used in large numbers are not available in the market at present. The applied spraying-free materials are usually concealed as much as possible by improving the injection molding processing technology and considering obstacles such as heat dissipation grids, screw fixation and the like in the material advancing direction in the design of a mold, but the means cannot be suitable for all materials and mold products, the limitation is large, the effect is not obvious, the popularization is not easy, and particularly, a plurality of molds and equipment which are produced in batch cannot be replaced.
Disclosure of Invention
The invention aims to provide a method for preparing a metal effect pigment without flow marks, which solves the problems of deposition and orientation of the metal pigment when the metal pigment passes through an obstacle.
The technical purpose of the invention is realized by the following technical scheme:
a method for preparing a flow mark-free metal effect pigment comprises the following steps:
(1) selecting materials: selecting different components of metal effect pigments according to requirements;
(2) mixing one: mixing water, ethanol and NH3、H2Pouring O and metal effect pigment into a mixing drum uniformly in proportion, and transmitting ultrasonic waves into the mixing drum through an ultrasonic generator, wherein the ultrasonic waves are applied to water, ethanol and NH3、H2Fully mixing the O and the metal effect pigment;
(3) mixing II: pouring the tetraethoxysilane and the ethanol into the other stirring cylinder according to the proportion, and fully stirring the tetraethoxysilane and the ethanol through a stirrer;
(4) synthesizing: pouring water into the water bucket, heating the water by a heater to keep the water temperature at 60-80 ℃, putting the mixing bucket into the water bucket, pouring the two mixed liquids into the mixing bucket, keeping for 11-13 hours, and taking out the pigment after all the liquid in the mixing bucket is evaporated;
(5) drying: putting the pigment into an oven, and drying the pigment by the oven;
(6) barreling: and pouring the dried pigment into a pigment bucket.
Preferably, the metallic effect pigment used in the step 1 includes 20 aluminum silver powder, 25 copper gold powder, 40 pearl powder and 15 glitter powder per 100 g.
Preferably, the ratio in step 2 is 10:5:3: 6.
Preferably, the ratio in step 3 is 20: 3.
Preferably, the water temperature in step 4 is maintained at 70 ℃.
Preferably, the holding time in step 4 is 12 hours.
Preferably, the model of the oven is DGG-9036A.
The beneficial effects of the invention include:
(1) the pearlescent metal effect pigment is coated by the transparent nano silicon dioxide, the metal effect is unchanged, but the overall structure is a three-dimensional irregular structure, so that specific flow orientation cannot be formed in the plastic molding flowing process, and the metallic pearlescent effect coloring of the plastic is realized without flow marks or weld marks;
(2) each coated particle carries different amounts of metallic pigment pearl powder particles, and can be added into different resins more conveniently.
Detailed Description
The following description is only a preferred embodiment of the present invention, and the protection scope is not limited to the embodiment, and any technical solution that falls under the idea of the present invention should fall within the protection scope of the present invention. It should also be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention.
A method for preparing a flow mark-free metal effect pigment comprises the following steps:
(1) selecting materials: selecting pearl powder with the particle size of 5-20 microns;
(2) mixing one: mixing water, ethanol and NH3、H2Uniformly pouring O and metal effect pigment into a stirring cylinder according to the proportion of 10:5:3:6, transmitting ultrasonic waves into the stirring cylinder through an ultrasonic generator, and treating water, ethanol and NH with the ultrasonic waves3、H2Fully mixing the O and the metal effect pigment;
(3) mixing II: pouring the tetraethoxysilane and the ethanol into another stirring cylinder according to the proportion of 20:3, and fully stirring the tetraethoxysilane and the ethanol by a stirrer;
(4) synthesizing: pouring water into the water bucket, heating the water by a heater to keep the water temperature at 70 ℃, putting the mixing bucket into the water bucket, pouring the two mixed liquids into the mixing bucket, keeping for 12 hours, and taking out the pigment after all the liquid in the mixing bucket is evaporated;
(5) drying: putting the pigment into a drying oven with the model of DGG-9036A, and drying the pigment by using the drying oven with the model of DGG-9036A;
(6) barreling: and pouring the dried pigment into a pigment bucket.
The metal effect pigment is coated by tetraethoxysilane to form the metal effect pigment with a three-dimensional structure, tetraethoxysilane is hydrolyzed to generate silicon dioxide, under the environment of 70 ℃, ultrasonic waves enable the uniform monodisperse nano silicon dioxide coating effect to be formed, the metal effect pigment is coated by transparent nano silicon dioxide, the metal effect is unchanged, but the whole structure is three-dimensional irregular, so that specific flowing orientation cannot be formed in the plastic molding flowing process, and the coloring of the specific effects of the plastic such as metal pearlescence and the like without flow marks or weld marks is realized.
The pigment prepared by the preparation method and the pigment prepared by the traditional preparation method are respectively taken from 5 barrels, the pigment is poured onto a mould, and a formed part is observed after forming.
The detection result of the pigment prepared by the process is as follows:
1. presence or absence of flow marks: none;
2. presence or absence of flow marks: none;
3. presence or absence of flow marks: none;
4. presence or absence of flow marks: none;
5. presence or absence of flow marks: none;
the detection result of the pigment prepared by the traditional preparation method is as follows:
1. presence or absence of flow marks: comprises the following steps of;
2. presence or absence of flow marks: comprises the following steps of;
3. presence or absence of flow marks: comprises the following steps of;
4. presence or absence of flow marks: none;
5. presence or absence of flow marks: comprises the following steps of;
analysis of the data shows that the pigment prepared by the preparation method has no flow mark, and compared with the traditional preparation method, the pigment has more obvious advantages.
Claims (7)
1. The method for manufacturing the metal effect pigment without the flow marks is characterized by comprising the following steps of:
(1) selecting materials: selecting different components of metal effect pigments according to requirements;
(2) mixing one: mixing water, ethanol and NH3、H2Pouring O and metal effect pigment into a mixing drum uniformly in proportion, and transmitting ultrasonic waves into the mixing drum through an ultrasonic generator, wherein the ultrasonic waves are applied to water, ethanol and NH3、H2O and metallic effect pigmentFully mixing the materials;
(3) mixing II: pouring the tetraethoxysilane and the ethanol into the other stirring cylinder according to the proportion, and fully stirring the tetraethoxysilane and the ethanol through a stirrer;
(4) synthesizing: pouring water into the water bucket, heating the water by a heater to keep the water temperature at 60-80 ℃, putting the mixing bucket into the water bucket, pouring the two mixed liquids into the mixing bucket, keeping for 11-13 hours, and taking out the pigment after all the liquid in the mixing bucket is evaporated;
(5) drying: putting the pigment into an oven, and drying the pigment by the oven;
(6) barreling: and pouring the dried pigment into a pigment bucket.
2. The method of claim 1, wherein the metallic effect pigment used in step 1 comprises 20 g of aluminum silver powder, 25 g of copper gold powder, 40 g of pearl powder and 15 g of glitter powder per 100g of the metallic effect pigment.
3. The method for preparing a flow mark-free metallic effect pigment according to claim 1, wherein the ratio in the step 2 is 10:5:3: 6.
4. The method for preparing a flow mark-free metallic effect pigment according to claim 1, wherein the ratio in the step 3 is 20: 3.
5. The method for preparing a flow mark-free metallic effect pigment according to claim 1, wherein the water temperature in the step 4 is kept at 70 ℃.
6. The method for preparing a flow mark-free metallic effect pigment according to claim 1, wherein the holding time in the step 4 is 12 hours.
7. The method for manufacturing the flow mark-free metal effect pigment according to claim 1, wherein the model of the oven is DGG-9036A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110006041.1A CN112552716A (en) | 2021-01-05 | 2021-01-05 | Method for preparing metal effect pigment without flow marks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110006041.1A CN112552716A (en) | 2021-01-05 | 2021-01-05 | Method for preparing metal effect pigment without flow marks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112552716A true CN112552716A (en) | 2021-03-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110006041.1A Pending CN112552716A (en) | 2021-01-05 | 2021-01-05 | Method for preparing metal effect pigment without flow marks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112552716A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110008598A (en) * | 2009-07-20 | 2011-01-27 | 강명호 | Synthetic resin composintion for plastic article having metalic surface, injection molding method and plastic article using the same |
| CN103073829A (en) * | 2012-12-31 | 2013-05-01 | 青岛润兴塑料新材料有限公司 | Spraying-free metallic PMMA (polymethyl methacrylate) modified material and preparation method thereof |
| CN104804354A (en) * | 2015-04-27 | 2015-07-29 | 青岛科技大学 | Spraying-free weather-proof metal texture ASA composite and preparation method thereof |
| CN104893368A (en) * | 2015-05-18 | 2015-09-09 | 常德金鹏印务有限公司 | Coated modified aluminum powder pigment, and preparation method and use thereof |
| CN106496773A (en) * | 2016-09-29 | 2017-03-15 | 中广核俊尔新材料有限公司 | A kind of argentine texture exempts from spraying composite material and its preparation method and application |
| CN111234497A (en) * | 2020-01-10 | 2020-06-05 | 金旸（厦门）新材料科技有限公司 | Cold-resistant metal texture spraying-free PC/ABS alloy for automotive interior and preparation method thereof |
-
2021
- 2021-01-05 CN CN202110006041.1A patent/CN112552716A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110008598A (en) * | 2009-07-20 | 2011-01-27 | 강명호 | Synthetic resin composintion for plastic article having metalic surface, injection molding method and plastic article using the same |
| CN103073829A (en) * | 2012-12-31 | 2013-05-01 | 青岛润兴塑料新材料有限公司 | Spraying-free metallic PMMA (polymethyl methacrylate) modified material and preparation method thereof |
| CN104804354A (en) * | 2015-04-27 | 2015-07-29 | 青岛科技大学 | Spraying-free weather-proof metal texture ASA composite and preparation method thereof |
| CN104893368A (en) * | 2015-05-18 | 2015-09-09 | 常德金鹏印务有限公司 | Coated modified aluminum powder pigment, and preparation method and use thereof |
| CN106496773A (en) * | 2016-09-29 | 2017-03-15 | 中广核俊尔新材料有限公司 | A kind of argentine texture exempts from spraying composite material and its preparation method and application |
| CN111234497A (en) * | 2020-01-10 | 2020-06-05 | 金旸（厦门）新材料科技有限公司 | Cold-resistant metal texture spraying-free PC/ABS alloy for automotive interior and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 董建廷，等: "多面体金属效果颜料的制备与应用", 《中国塑料》 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20210326 |