CN1252173C - Black agglomerate specially for polystyrene resin and its prepn process - Google Patents
Black agglomerate specially for polystyrene resin and its prepn process Download PDFInfo
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- CN1252173C CN1252173C CN 02135596 CN02135596A CN1252173C CN 1252173 C CN1252173 C CN 1252173C CN 02135596 CN02135596 CN 02135596 CN 02135596 A CN02135596 A CN 02135596A CN 1252173 C CN1252173 C CN 1252173C
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- black
- agglomerate
- styrene resin
- resin
- exclusively used
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Abstract
The present invention discloses a black agglomerate technology special for styrene class resin, which comprises 20 to 35% of pigment black (black carbon), 15 to 30% of dispersion lubricant and 45 to 65% of carrier resin. The present invention has the preparation method that all components are premixed proportionally firstly; then all the components are kneaded in a high-speed kneading machine at the rotary speed of 800 to 150/min, a mix material thoroughly kneaded is added in a double screw extruder to be extruded finally, and the mix material is cooled, dried and pelletized to manufacture the required agglomerate. The present invention has the characteristics of less addition amount, strong dispersivity, higher temperature resistance, light resistance, stability, etc.; furthermore, the agglomerate can not influence the mechanical properties of the styrene for being added in the styrene class resin, and a black plastic product with uniform blackness and high glossiness and without dyeing defects can be obtained after injection moulding.
Description
Affiliated technical field
The present invention relates to the coloring plastic technical field, particularly relate to a kind of black agglomerate that is exclusively used in styrene resin.
The invention still further relates to this preparation method who is exclusively used in the styrene resin black agglomerate.
Background technology
At present, the styrenic engineering plastics, have superior mechanical property as general purpose polystyrene (GPS), high-impact polystyrene (HIPS), acrylonitrile-styrene-butadienecopolymer (ABS) etc., occupy an important position in each Application Areass such as machinery, automobile, household electrical appliances, national defence.Along with the progressively expansion of engineering plastics range of application, under the situation that its specification of quality and quality standard also improve constantly thereupon, existing Masterbatch and preparation technology thereof oneself through not satisfying engineering plastics far away in the requirement aspect physical strength and the dispersing property.Because the bad dispersibility of this master batch, particularly when the plastics size was big, it is more outstanding that its shortcoming just seems.Simultaneously, existing colour batch addition generally just can reach satisfied dispersion effect between 3-4%, because addition is bigger, thereby very easily influences the mechanical property of material.
Summary of the invention
For the deficiency that the black masterbatch that overcomes present styrene resin exists, the purpose of this invention is to provide a kind ofly have the concentration height, easily disperse, addition is few and add after do not influence the black agglomerate that is exclusively used in styrene resin of its mechanical property.
Another object of the present invention provides this preparation method who is exclusively used in the black agglomerate of styrene resin.
Realize that the technical scheme that the object of the invention adopted is: this black agglomerate that is exclusively used in styrene resin, the weight percent of its each component is:
Black pigment (carbon black) 20-35%
Dispersed lubricant 15-30%
Vector resin 45-65%
The particle diameter of said black pigment (carbon black) pigment is 10-30nm, its function is except that using as dyeing, can also be as UV light stabilizing agent, can prevent effectively that plastics are subjected to solar radiation and produce the light ammonification and degrade, thus the quality and the work-ing life of improving plastics.
Said dispersed lubricant is that first fusing point is that 140 ℃-150 ℃ ethylene bis stearic acid amide (EBS), stearic acid series dispersion agent, first fusing point are that 100 ℃-106 ℃ and molecular weight are the polyethylene wax of 3000-5000 and/or the mixture of these compounds.Ethylene bis stearic acid amide (EBS) is as the core dispersion agent, and dispersed strong, usage quantity is few, but also has the characteristics of lubricant and brightening agent concurrently, can give the appearance of the level and smooth light of plastics.Its colour (iodine colorimetric)＜=5.0, acid number＜=10.0mg/g, amine value＜=2.5mg/g, weight loss on heating＜=0.5%, fineness＜=20nm.Stearic acid series dispersion agent comprises Zinic stearas, Magnesium Stearate.
Said vector resin is at least one or more in high-impact polystyrene, ethylene-vinyl acetate copolymer resins (EVA), styrene resin and the multipolymer (as GPS, HIPS, ABS) thereof.Vector resin ethylene-vinyl acetate copolymer resins (EVA), melt flow rate (MFR) are (0.3-4.0) g/10min, and its molecular structural formula is:
Owing to introduced VAM on the molecular chain, thereby reduced degree of crystallinity, improved the sneaking into property and the heat seal of snappiness, impact and the filler of goods.Simultaneously, have good optical performance, low temperature resistant and nontoxic characteristic, thereby the Masterbatch that adds this vector resin can not influence the mechanical property and the printing performance of goods.
Preparation is exclusively used in the method for styrene resin black agglomerate: earlier each component is carried out pre-mixing in proportion; in being the high speed kneader of 800-1500/min, rotating speed mediates 15-60min then; the compound that to fully mediate at last adds in the twin screw extruder to be extruded, and makes required master batch after cooling, oven dry, pelletizing (or using the tablets press granulation).
Prior art of the present invention is compared, and has advantages such as few, the easy dispersion of addition, blackness height, strong covering power, and is applicable to the painted of multiple polyolefin resin, does not influence the mechanical property and the printing performance of goods, can be widely used in the painted of styrene resin.
Embodiment
Embodiment 1 preparation double centner is exclusively used in the black agglomerate of styrene resin
The weight of l, each component is:
20 kilograms of black pigments
2 kilograms of polyethylene waxs
15 kilograms of ethylene bis stearic acid amides (EBS)
3 kilograms of Zinic stearass (Znst)
55 kilograms of high-impact polystyrenes (HIPS)
5 kilograms of ethylene-vinyl acetate copolymer resinses
2, preparation method:
Earlier each component is carried out pre-mixing in proportion, mediated 25 minutes in rotating speed is the high speed kneader of 1000 commentariess on classics/min then, the compound that will fully mediate at last adds in the twin screw extruder to be extruded, and packs after cooling, oven dry, pelletizing and makes required master batch.
Embodiment 2 preparation double centners are exclusively used in the black agglomerate of styrene resin
The weight of l, each component is;
30 kilograms of black pigments
3 kilograms of polyethylene waxs
20 kilograms of ethylene bis stearic acid amides (EBS)
4 kilograms of vinyl cyanide one styrene-butadiene multipolymers
40 kilograms of high-impact polystyrenes (HIPS)
3 kilograms of ethylene-vinyl acetate copolymer resinses
2, the same EXAMPLE l of preparation method.
Embodiment 3 preparation double centners are exclusively used in the black agglomerate of styrene resin
1, the weight of each component is:
22 kilograms of black pigments
2.5 kilograms of polyethylene waxs
25 kilograms of ethylene bis stearic acid amides (EBS)
45 kilograms of high-impact polystyrenes (HIPS)
5.5 kilograms of ethylene-vinyl acetate copolymer resinses
2, the preparation method is with embodiment 1.
Claims (3)
1, plant the black agglomerate that is exclusively used in styrene resin, it is characterized in that the weight percent of each component is:
Carbon black 20-35%
Dispersed lubricant 15-30%
Vector resin 45-65%
Described dispersed lubricant is the mixture of ethylene bis stearic acid amide or ethylene bis stearic acid amide and polyethylene wax.Said vector resin is one or more in high-impact polystyrene, ethylene-vinyl acetate copolymer resins, styrene resin and the multipolymer thereof.
2, the black agglomerate that is exclusively used in styrene resin according to claim 1 is characterized in that, the first fusing point of described polyethylene wax is 100 ℃-106 ℃, and molecular weight is 3000-5000.
3, the method for the black agglomerate that is exclusively used in styrene resin described in the preparation claim 1 or 2, it is characterized in that: earlier each component is carried out pre-mixing in proportion, in being the high speed kneader of 800-1500/min, rotating speed mediates 15-60min then, the compound that to fully mediate at last adds in the twin screw extruder to be extruded, and packing is made required master batch after cooling, oven dry, pelletizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02135596 CN1252173C (en) | 2002-09-30 | 2002-09-30 | Black agglomerate specially for polystyrene resin and its prepn process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02135596 CN1252173C (en) | 2002-09-30 | 2002-09-30 | Black agglomerate specially for polystyrene resin and its prepn process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1487018A CN1487018A (en) | 2004-04-07 |
| CN1252173C true CN1252173C (en) | 2006-04-19 |
Family
ID=34146217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02135596 Expired - Fee Related CN1252173C (en) | 2002-09-30 | 2002-09-30 | Black agglomerate specially for polystyrene resin and its prepn process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1252173C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101033309B (en) * | 2006-03-09 | 2010-04-21 | 中国石油化工股份有限公司 | Color masterbatch for polythene and preparing method thereof |
| CN1944522B (en) * | 2006-10-31 | 2010-07-07 | 东莞金富亮塑胶颜料有限公司 | Multifunction color mother material specially for wood imitating series plastic-wood composite material |
| CN102617913A (en) * | 2012-03-28 | 2012-08-01 | 杭州华塑色母有限公司 | Polyethylene (PE) foaming material coloring master batch |
| CN111978652A (en) * | 2020-07-15 | 2020-11-24 | 日彩复合塑料(深圳)有限公司 | Printer shell material and preparation method thereof |
-
2002
- 2002-09-30 CN CN 02135596 patent/CN1252173C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1487018A (en) | 2004-04-07 |
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Former decision: cessation of patent right due to non-payment of the annual fee Former decision publication date: 20110323 |
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