CN101372533A - Color crystal and method for coloring plastic using the same - Google Patents
Color crystal and method for coloring plastic using the same Download PDFInfo
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- CN101372533A CN101372533A CNA200710029881XA CN200710029881A CN101372533A CN 101372533 A CN101372533 A CN 101372533A CN A200710029881X A CNA200710029881X A CN A200710029881XA CN 200710029881 A CN200710029881 A CN 200710029881A CN 101372533 A CN101372533 A CN 101372533A
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Abstract
The invention discloses a color crystal and a method for coloring plastics by the color crystal. The color crystal consists of the following components by weight parts: 0.1-80 parts of carrier, 0.1-30 parts of lubricant, 0.1-20 parts of super dispersant, 0.1-50 parts of pigment, 0.1-5 parts of antioxidant and 0.1-30 parts of packing material. All the components are proportionally weighted, evenly mixed by a high-speed mixer, melted and milled by a double-roll plasticator or a three-roll grinder, and crushed into the color crystal. The color crystal has the advantages of small volume, large number, a plurality of coloring spots, and significantly enhanced coloring stability and uniformity. The color crystal of single color is taken as a color library, the required color can be obtained by combining the color crystals, thus the storage is easily controlled and the waste is reduced. The color crystal is applicable to an automatic feeding system, the coloring agent can be directly used without pre-mixing and the automatic feeding system is used for dosing, which is significant to keep the workshop clean, reduce the labor intensity of workers, avoid the high temperature in the workshop caused by drying materials, etc.
Description
Technical field
The present invention relates to macromolecular material dye technology field, specifically, it is and be used for the method for coloring plastic to relate to a kind of look brilliant.
Background technology
Plastic cement is painted to have experienced, dyeing granulation painted and Masterbatch this several developmental stage painted from toner.Along with improving constantly of people's living standard, plastic cement products painted become a requisite important step.The progress of plastic cement dye technology helps improving the appearance effect of product, and added value of product is significant for improving.
When adopting toner painted, because the deal less (general 0.4～1%) of toner, problems such as color instability, pigment figure, flow liner, environmental pollution are serious appear easily.Though the dyeing agglomeration technique can solve the painted drawback of toner,, progressively replaced at present by Masterbatch owing to reasons such as its production cost are too high, the plastics experience is heated for twice, the mechanical property of goods is affected.Adopt that common Masterbatch is painted to have a clear superiority for product big, that kind is few in batches is painted, but the kind more for color variety, that batch is many, consumption is few, the cost of Masterbatch manufacturers is higher, dumb when client's order and application, product percent of pass is subjected to the influence of several factors, the bad assurance of size of order is ordered goods and can't be finished production task after a little while, orders goods and causes waste for a long time.This situation perplex for a long time color variety many, in batches little, change the high enterprise of color frequency, as enterprises such as toy, toothbrush product, button, cosmetic packages.
Summary of the invention
The objective of the invention is to solve the problem of the existing painted existence of plastics, provide a kind of colour stability good, be suitable for producing in batches, plastics colorize method that inventory problem solves easily.
Another object of the present invention provides the used look crystalline substance of above-mentioned colorize method.
To achieve these goals, the present invention adopts following technical scheme:
The present invention improves existing plastic cement dye technology, adds novel tinting material---the look crystalline substance of solid color in the Masterbatch prescription.By preparing 30～50 kinds of basic solid color look crystalline substances, only need when the client is painted its combination just can be risked required color as the look storehouse.In order to reach good coloring effect, the thickness of described look crystalline substance is the thin slice of 0.1～0.5mm, length or the wide 0.2～5.0mm of being, and preferred size is: thickness 0.1～0.2mm, length or wide 0.5～1.5mm.
Above-mentioned look crystalline substance is made up of following component and parts by weight:
Carrier 0.1～80 lubricant 0.1～30
Super dispersion agent 0.1～20 pigment 0.1～50
Oxidation inhibitor 0.1～5 filler 0.1～30.
Preferred ingredients and parts by weight are:
Carrier 10～60 lubricants 1～20
Super dispersion agent 2～10 pigment 0.1～50
Oxidation inhibitor 0.1～3 filler 0.1～30.
Above-mentioned carrier is meant the plastics that are colored.As to be colored plastics be polyethylene (PE), and then selecting PE for use is carrier; Being colored plastics is acrylonitrile-butadiene-styrene copolymer (ABS), and then selecting ABS resin for use is carrier, and the like.
Above-mentioned super dispersion agent is a kind of polycthylene grafted thing, the polyethylene that is about to melting index 100～300 (g/10min) the effect of superoxide (as peroxidation two propyl benzene etc.) down and vinylformic acid, styrene monomer carry out the product of fusion-grafting, percentage of grafting is 0.5～2%, and preferred percentage of grafting is 0.8～1.5%.
The mixture of one or more in the preferred stearic acid of above-mentioned lubricant, stearate, polyethylene wax, oxidized polyethlene wax, ethene-vinyl acetate wax (EVA wax), the ethylene bis stearic acid amide (EBS).
The preferred phenolic antioxidant of above-mentioned oxidation inhibitor is as 1076 (β-positive octadecanol ester of (4-hydroxyl-3,5 di-tert-butyl-phenyl) propionic acid) or 1010 (four [β-(3,5 di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester); Described phosphite ester kind antioxidant is 168 (three (2, the 4-di-tert-butyl-phenyl) phosphorous acid esters) or 626 (pentaerythritol ester diphosphite two (2,4-di-tert-butyl phenyl) ester) etc.
Above-mentioned pigment can be various pigment as required, can be mineral dye such as titanium dioxide, titan yellow etc., or pigment dyestuff such as phthalocyanine blue, phthalein viridescent etc., also can be dyestuff etc. and composition thereof.
Inorganic components such as the preferred lime carbonate of above-mentioned filler, talcum powder, kaolin or barium sulfate.
The preparation method of above-mentioned look crystalline substance is: by the proportioning weighing, adopt high-speed mixer to mix each component, adopt twin screw extruder or Banbury mixer melting mixing then, adopt twin-roll machine or multiple roll compressing tablet then, last broken quality crystalline substance.Or with each component by the proportioning weighing, adopt high-speed mixer to mix, adopt twin-roll plastic mixing mill or three-roll grinder to carry out the melting mixing compressing tablet then, broken then quality crystalline substance.
Compared with prior art, the present invention has following beneficial effect:
(1) tinting material of the present invention is the look crystalline substance of solid color, and this look crystalline substance has the advantages that volume is little, number is many, colored spots is many, and therefore painted stability, uniformity significantly improves.
(2) as the look storehouse, the client is painted to be only to need required color is risked in its combination, controls the stock easily, cuts the waste with the look crystalline substance of solid color in the present invention.
(3) look crystalline substance of the present invention can be applicable to the mechanical feed system, the tinting material interpolation need not be pre-mixed, but adopt mechanical feed to measure interpolation, promptly in the plastic injection-moulded and extrusion moulding course of processing, realize full-automatic, closed reinforced, for keeping the workshop hygiene cleaning, alleviate working strength of workers, avoiding the baking material to cause that aspect such as workshop high temperature is significant.
Embodiment
Embodiment 1～5 is the prescription of ABS look crystalline substance, sees Table 1.Adopt twin screw extruder melting mixing under 160～200 ℃ condition, three-roller compressing tablet, broken then quality crystalline substance.
Table 1 ABS look crystal formulations
| Material | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| ABS | 40 | 60 | 30 | 40 | 50 |
| Zinic stearas | 1 | 0 | 1 | 0.5 | 1 |
| Polyethylene wax | 3 | 2 | 1.5 | 5 | 7 |
| Oxidized polyethlene wax | 2 | 1 | 0.5 | 0 | 3 |
| Super dispersion agent | 2 | 1 | 4 | 5 | 3 |
| Titanium dioxide | 40 | 0 | 0 | 0 | 0 |
| Ultramarine | 0 | 10 | 0 | 0 | 0 |
| Titan yellow | 0 | 0 | 15 | 0 | 0 |
| The phthalein viridescent | 0 | 0 | 0 | 8 | 0 |
| Carbon black | 0 | 0 | 0 | 0 | 5 |
| Antioxidant 1076 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
| Oxidation inhibitor 168 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 |
| Lime carbonate | 9.4 | 0 | 0 | 40.9 | 30.4 |
| Barium sulfate | 0 | 34.6 | 0 | 0 | 0 |
| Talcum powder | 0 | 0 | 59.6 | 0 | 0 |
| Color | In vain | Blue | Yellow | Green | Black |
Above-mentioned look crystalline substance in different ratio combinations, is risked distinct colors, and prescription and experimental result see Table 2.
Table 2 look brilliant combination formula and coloring effect thereof
| The look crystalline substance | Look brilliant combination 1 | Look brilliant combination 2 | Look brilliant combination 3 | Look brilliant combination 4 | Look brilliant combination 5 |
| Embodiment 1 | 3％ | 3.6％ | 1％ | 1.5％ | 0.5％ |
| Embodiment 2 | 0 | 0.4％ | 0 | 0 | 2.5％ |
| Embodiment 3 | 0 | 0 | 2.5％ | 0 | 0.2％ |
| Embodiment 4 | 0 | 0 | 0 | 2.5％ | 0 |
| Embodiment 5 | 1％ | 0 | 0.5％ | 0 | 1.8％ |
| Color | Ash | Brilliant white | Apricot yellow | Light green | Dark blue |
| Flow liner/pigment figure | Do not have | Do not have | Do not have | Do not have | Do not have |
| Color homogeneity | Excellent | Excellent | Well | Excellent | Well |
| Colour stability | Good | Good | Good | Good | Good |
| Total color difference △ E | ≤0.3 | ≤0.3 | ≤0.5 | ≤0.5 | ≤0.5 |
Comparative Examples 1～5 is pressed the proportioning of pigment in the table 2, prepares corresponding Masterbatch respectively according to following prescription, and its coloring effect and colour stability are compared, and the results are shown in Table 3.
The Masterbatch basic recipe is as follows in the Comparative Examples 1～5:
ABS 40 polyethylene waxs 4
Oxidized polyethlene wax 2 Zinic stearass 1
1076 0.2 168 0.4
An amount of lime carbonate of pigment is an amount of
Table 3 Masterbatch coloring effect is estimated
| Project | Comparative Examples 1 | Comparative Examples 2 | Comparative Examples 3 | Comparative Examples 4 | Comparative Examples 5 |
| Color | Ash | Brilliant white | Apricot yellow | Light green | Dark blue |
| Flow liner/pigment figure | Do not have | Do not have | Do not have | A little | Flow liner is arranged |
| Color homogeneity | Well | Well | Well | Generally | Difference |
| Colour stability | Well | Well | Well | Generally | Generally |
| Total color difference △ E | ≤0.4 | ≤0.6 | ≤0.4 | ≤0.8 | ≤1.0 |
Table 1, table 2 comparison shows that, adopt the look crystalline substance obvious because Masterbatch aspect control pigment figure, flow liner, colour stability and homogeneity.
Embodiment 6～10 is the prescription of PP look crystalline substance, sees Table 4.Adopt twin screw extruder melting mixing under 160～200 ℃ condition, three-roller compressing tablet, the technology of broken then quality crystalline substance.
Table 4 PP look crystal formulations
| Material | Embodiment 6 | Embodiment 7 | Embodiment 8 | Embodiment 9 | Embodiment 10 |
| PP | 40 | 60 | 30 | 40 | 50 |
| Zinic stearas | 1 | 0 | 1 | 0.5 | 1 |
| Polyethylene wax | 3 | 2 | 1.5 | 5 | 7 |
| EVA wax | 2 | 2 | 2 | 2 | 2 |
| Super dispersion agent | 2 | 2 | 2 | 2 | 2 |
| Titanium dioxide | 40 | 0 | 0 | 0 | 0 |
| Phthalocyanine blue | 0 | 10 | 0 | 0 | 0 |
| The 2RLP Huang | 0 | 0 | 10 | 0 | 0 |
| 2BP-Q is red | 0 | 0 | 0 | 10 | 0 |
| Carbon black | 0 | 0 | 0 | 0 | 6 |
| Antioxidant 1076 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
| Oxidation inhibitor 168 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 |
| Lime carbonate | 11.4 | 0 | 0 | 39.9 | 31.4 |
| Barium sulfate | 0 | 23.4 | 0 | 0 | 0 |
| Talcum powder | 0 | 0 | 52.9 | 0 | 0 |
| Color | In vain | Blue | Yellow | Red | Black |
Above-mentioned look crystalline substance in different ratio combinations, is risked distinct colors, and prescription and experimental result see Table 5.
Table 5 look brilliant combination formula and coloring effect thereof
Comparative Examples 6～10 is pressed the proportioning of pigment in the table 5, prepares corresponding Masterbatch respectively according to following prescription, and its coloring effect and colour stability are compared, and the results are shown in Table 6.
The Masterbatch basic recipe is as follows in the Comparative Examples 6～10:
PP 40 polyethylene waxs 3
EVA wax 2 Zinic stearass 1
1077 0.2 168 0.4
An amount of lime carbonate of pigment is an amount of
Table 6 Masterbatch coloring effect is estimated
| Project | Comparative Examples 6 | Comparative Examples 7 | Comparative Examples 8 | Comparative Examples 9 | Comparative Examples 10 |
| Color | Ash | In vain | Apricot yellow | Orange | Dark blue |
| Flow liner/pigment figure | Do not have | Do not have | Do not have | Do not have | Do not have |
| Color homogeneity | Well | Well | Generally | Generally | Generally |
| Colour stability | Well | Well | Generally | Generally | Generally |
| Total color difference △ E | ≤0.4 | ≤0.6 | ≤0.7 | ≤0.9 | ≤0.9 |
Table 5, table 6 comparison shows that PP adopts look brilliant painted obvious because Masterbatch aspect control pigment figure, flow liner, colour stability and homogeneity.
Claims (10)
1. look crystalline substance is characterized in that being made up of following component and parts by weight:
Carrier 0.1～80 lubricant 0.1～30
Super dispersion agent 0.1～20 pigment 0.1～50
Oxidation inhibitor 0.1～5 filler 0.1～30;
Described carrier is meant the plastics that are colored;
Described super dispersion agent is a kind of polycthylene grafted thing, is the product that the polyethylene of melting index 100～300g/10min is carried out fusion-grafting under the effect of superoxide with vinylformic acid, styrene monomer, and percentage of grafting is 0.5～2%.
2. look crystalline substance as claimed in claim 1 is characterized in that being made up of following component and parts by weight:
Carrier 10～60 lubricants 1～20
Super dispersion agent 2～10 pigment 0.1～50
Oxidation inhibitor 0.1～3 filler 0.1～30.
3. look crystalline substance as claimed in claim 1 is characterized in that described lubricant is one or more the mixture in stearic acid, stearate, polyethylene wax, oxidized polyethlene wax, ethene-vinyl acetate wax, the ethylene bis stearic acid amide.
4. look crystalline substance as claimed in claim 1 is characterized in that described oxidation inhibitor is phenolic antioxidant or phosphite ester kind antioxidant.
5. look crystalline substance as claimed in claim 4 is characterized in that described phenolic antioxidant is β-positive octadecanol ester of (4-hydroxyl-3,5 di-tert-butyl-phenyl) propionic acid, four [β-(3,5 di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester; Described phosphite ester kind antioxidant is three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester, pentaerythritol ester diphosphite two (2,4-di-tert-butyl phenyl) ester.
6. look crystalline substance as claimed in claim 1 is characterized in that described filler is lime carbonate, talcum powder, kaolin or barium sulfate.
7. look crystalline substance as claimed in claim 1, the thickness that it is characterized in that described look crystalline substance are 0.1～0.5mm, length or the wide 0.2～5.0mm of being.
8. look crystalline substance as claimed in claim 1 is characterized in that described superoxide is peroxidation two propyl benzene, and described percentage of grafting is 0.8～1.5%.
9. the preparation method of the described look crystalline substance of claim 1 is characterized in that comprising the steps:
By the proportioning weighing, adopt high-speed mixer to mix each component, adopt twin screw extruder or Banbury mixer melting mixing then, adopt twin-roll machine or multiple roll compressing tablet then, last broken quality crystalline substance;
Or with each component by the proportioning weighing, adopt high-speed mixer to mix, adopt twin-roll plastic mixing mill or three-roll grinder to carry out melting mixing then, broken then quality crystalline substance.
10. the method for a coloring plastic is characterized in that adopting the described look crystalline substance of claim 1 to carry out painted to plastics.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710029881XA CN101372533B (en) | 2007-08-24 | 2007-08-24 | Color crystal and method for coloring plastic using the same |
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| CN200710029881XA CN101372533B (en) | 2007-08-24 | 2007-08-24 | Color crystal and method for coloring plastic using the same |
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| CN101372533A true CN101372533A (en) | 2009-02-25 |
| CN101372533B CN101372533B (en) | 2011-03-16 |
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Cited By (6)
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|---|---|---|---|---|
| CN103044808A (en) * | 2012-12-14 | 2013-04-17 | 广东波斯科技股份有限公司 | PVDC coloring color crystal and preparation method thereof |
| CN106700707A (en) * | 2015-07-22 | 2017-05-24 | 广西启利新材料科技股份有限公司 | Colored rock slice prepared from plastic blank |
| CN107674302A (en) * | 2017-10-18 | 2018-02-09 | 安徽天易金属新材料有限公司 | A kind of pre-dispersed aluminium pigment for bumper and preparation method thereof |
| CN110607089A (en) * | 2019-10-29 | 2019-12-24 | 薛志强 | Composite rock slice and synthetic method thereof |
| CN113815146A (en) * | 2021-08-20 | 2021-12-21 | 汕头市科贝科技有限公司 | Film-shaped color master batch and preparation method thereof |
| CN114685910A (en) * | 2022-03-18 | 2022-07-01 | 金发科技股份有限公司 | Coloring agent, coloring material and preparation method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1305958C (en) * | 2005-06-02 | 2007-03-21 | 广州市波斯塑胶颜料有限公司 | Strong dispersion and impact-resistant ABS color concentrates and process for preparing same |
-
2007
- 2007-08-24 CN CN200710029881XA patent/CN101372533B/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103044808A (en) * | 2012-12-14 | 2013-04-17 | 广东波斯科技股份有限公司 | PVDC coloring color crystal and preparation method thereof |
| CN106700707A (en) * | 2015-07-22 | 2017-05-24 | 广西启利新材料科技股份有限公司 | Colored rock slice prepared from plastic blank |
| CN107674302A (en) * | 2017-10-18 | 2018-02-09 | 安徽天易金属新材料有限公司 | A kind of pre-dispersed aluminium pigment for bumper and preparation method thereof |
| CN107674302B (en) * | 2017-10-18 | 2020-11-20 | 安徽天易金属新材料有限公司 | Pre-dispersed aluminum pigment for automobile bumpers and preparation method thereof |
| CN110607089A (en) * | 2019-10-29 | 2019-12-24 | 薛志强 | Composite rock slice and synthetic method thereof |
| CN113815146A (en) * | 2021-08-20 | 2021-12-21 | 汕头市科贝科技有限公司 | Film-shaped color master batch and preparation method thereof |
| CN114685910A (en) * | 2022-03-18 | 2022-07-01 | 金发科技股份有限公司 | Coloring agent, coloring material and preparation method |
| CN114685910B (en) * | 2022-03-18 | 2024-02-23 | 金发科技股份有限公司 | Colorant, coloring material and preparation method |
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| CN101372533B (en) | 2011-03-16 |
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Owner name: GUANGDONG BOSI TECHNOLOGY CO., LTD. Free format text: FORMER NAME: GUANGZHOU BOSI PLASTIC PIGMENTS CO., LTD. |
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Address after: 510530 Guangdong city of Guangzhou province Luogang District Yun Hing Road No. 7 Patentee after: Guangdong Persia Technology Co., Ltd. Address before: 510530, C1, No. 22, Po Po (Baiyun) Industrial Zone, Guangzhou, Guangdong Patentee before: Guangzhou Bosi Plastic Pigments Limited Co., Ltd. |