CN103044752A - Water-absorbing master batch for moulding regenerated plastic and preparation method for same - Google Patents
Water-absorbing master batch for moulding regenerated plastic and preparation method for same Download PDFInfo
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- CN103044752A CN103044752A CN2013100154043A CN201310015404A CN103044752A CN 103044752 A CN103044752 A CN 103044752A CN 2013100154043 A CN2013100154043 A CN 2013100154043A CN 201310015404 A CN201310015404 A CN 201310015404A CN 103044752 A CN103044752 A CN 103044752A
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Abstract
The invention relates to a water-absorbing master batch for moulding regenerated plastic and a preparation method for the same. The water-absorbing master batch is composed of 15-35 parts of carrier resin, 65-85 parts of kieselguhr, 2-8 parts of a lubricating agent, 1-3 parts of a coupling agent, and 0-3 parts of a dispersing agent. The water-absorbing master batch disclosed by the invention is added and used during moulding processing for regenerated plastic, and capable of removing water and unknown low-molecular-weight volatile matters contained in the plastic, so that the plastic products have no water spray and air bubbles, and a drying process can be simplified, and machining time and machining expense can be saved while the quality of the products is improved; additionally, the water-absorbing master batch is capable of reducing the pungent smell generated by the plastic due to degradation and the like, and is widely used in various plastic moulding processes of plastic pipes, injection moulding, hollow blow-moulding and the like.
Description
Technical field
The invention belongs to the plastics technology field, be specifically related to a kind of suction master batch that in the reprocessed plastic(s) moulding process, adds use and preparation method thereof.
Background technology
World resource is a human big hot topic topic forever, and the slogan that economizes on resources to be slowly being deep into the popular feeling, so the awakening of reworked material also is inevitable, and people are by the recycling of resource like this, and ability is real accomplishes environmental protection and energy saving.Since plastics can't natural degradation, so the reprocessed plastic(s) emphasis of environmental protection and energy saving especially, and low price according to different needs, only needs the attribute of certain aspect of processing, can produce corresponding product and get final product, and can not allow like this resource loss.
Reprocessed plastic(s) refer to waste or used plastics be carried out the plastic raw materials that again obtains after the processing treatment by the method for the physics such as pre-treatment, melt pelletization, modification or chemistry, are the again utilizations to plastics.Reprocessed plastic(s) cause its water content very large in the processing treatment process, these moisture can directly affect the quality of plastics, particularly can form aqueous vapor in injection moulding process, as not eliminating, can form on the surface of goods bubble or water wave, intensity and the outward appearance of goods caused detrimentally affect.In order to remove the moisture in the reprocessed plastic(s), now generally adopt the heating, drying method, namely utilize electrothermal drying machinery to eliminate moisture.Adopt this method to need plastics producer addition high temperature drying equipment, can cause and prolong goods process periods, increase plastics manufacturing procedure, high current consumption, increase production cost and the deficiency such as artificial, and many moisture are in the inner coating of plastic pellet, even can not effectively get rid of under high-temperature condition.In addition, reprocessed plastic(s) affect quality product and use range because the factors such as degraded can produce irritating smell.
Summary of the invention
In order to overcome defects, the invention provides a kind of bibulous suction master batch for the reprocessed plastic(s) moulding and preparation method thereof.
Technical scheme of the present invention is achieved in that a kind of reprocessed plastic(s) moulding suction master batch, is to be prepared from by weight by following component:
Vector resin: 15-35 parts;
Diatomite: 65-85 parts;
Lubricant: 2-8 parts;
Coupling agent: 1-3 parts;
Dispersion agent: 0-3 parts.
Wherein, described vector resin comprises polyethylene (PE), polypropylene (PP), polystyrene (PS).
Described diatomite is to pulverize through high-temperature calcination, and particle diameter is greater than 800 purpose powders, and porosity is greater than 90%, and specific surface area is 60 ㎡/more than the g.
Described coupling agent comprises silane coupling agent, titanate coupling agent.
Described silane coupling agent is aminopropyl triethoxysilane (being called for short KH-550); Described titanate coupling agent is sec.-propyl three (dioctylphyrophosphoric acid ester acyl group) titanic acid ester (being called for short NDZ-201)
Described dispersion agent is glyceryl monostearate (GMS) or ethylene group bis-stearamides (EBS).
Described lubricant is that white oil and polyethylene wax form for 1:2 in mass ratio.
Prepare the above-mentioned plastic shaping method of suction master batch, may further comprise the steps:
(1) takes by weighing in proportion a certain amount of vector resin, coupling agent, dispersion agent and lubricant, place homogenizer to stir time 3min-5min;
(2) diatomite that weighs up is put into (1), continue again to stir 3min-5min, make Preblend;
(3) with in the Preblend that makes in (2) the feeding twin screw extruder, again through extrude, water-cooled, pelletizing and drying, namely make plastic shaping with the suction master batch.
Beneficial effect of the present invention has:
(1) contain the oxide compound that to be combined with water in the suction master batch provided by the invention, and the porous slit can hold in conjunction with water, thereby can effectively remove the moisture of reprocessed plastic(s);
(2) because the raw material diatomite of suction master batch has vesicular structure, lower-molecular substance is had stronger adsorptivity, can reduce the irritating smell of reprocessed plastic(s);
(3) because the suction master batch can reduce the moisture in the reprocessed plastic(s) with the moisture removal in the reprocessed plastic(s), thereby make the corresponding raising of mechanical property of reprocessed plastic(s); After reprocessed plastic(s) are processed into plastics, improve quality and the yield rate of plastics;
(4) use suction master batch of the present invention after, reduced baking material time of reprocessed plastic(s), can obviously boost productivity and reduce energy consumption, have obvious economic benefit and social benefit.
Embodiment
The invention will be further described below by specific embodiment, and following examples only are that the present invention will be described but not it is limited.
Lubricant is the hybrid lubricant that adopts white oil and polyethylene wax to form for 1:2 in mass ratio among the following embodiment.Diatomite select through high-temperature calcination pulverizing, particle diameter greater than 800 purpose powders, porosity greater than 90%, specific surface area is the diatomite of 60 ㎡/more than the g.
Embodiment 1
With 20 parts of polyethylene (PE), 6 parts of lubricants, silane resin acceptor kh-550 be stir 4min in 2 parts, 2 parts of adding homogenizers of silicone based plastic dispersing agent (E525) after, add and continue again to stir 4min behind 80 parts in the diatomite and get Preblend.After this again Preblend is fed in the twin screw extruder, through extrude, water-cooled, pelletizing and drying, namely make plastic shaping with the suction master batch.
Embodiment 2
With 15 parts of polypropylene (PP), 8 parts of lubricants, silane resin acceptor kh-550 be stir 3min in 3 parts, 3 parts of adding homogenizers of ethylene group bis-stearamides (EBS) after, add and continue again to stir 5min behind 85 parts in the diatomite and get Preblend.After this again Preblend is fed in the twin screw extruder, through extrude, water-cooled, pelletizing and drying, namely make plastic shaping with the suction master batch.
Embodiment 3
With 25 parts of polystyrene (PS), 2 parts of lubricants, titanate coupling agent NDZ-201 be stir 5min in 2 parts of adding homogenizers after, add and continue again to stir 3min behind 75 parts in the diatomite and get Preblend.After this again Preblend is fed in the twin screw extruder, through extrude, water-cooled, pelletizing and drying, namely make plastic shaping with the suction master batch.
Embodiment 4
With 35 parts of polyethylene (PE), 4 parts of lubricants, silane resin acceptor kh-550 be 1 part, ethylene group bis-stearamides (EBS) be stir 4min in 2 parts of adding homogenizers after, add and continue again to stir 5min behind 65 parts in the diatomite and get Preblend.After this again Preblend is fed in the twin screw extruder, through extrude, water-cooled, pelletizing and drying, namely make plastic shaping with the suction master batch.
Embodiment 5
With 30 parts in polypropylene alkene (PP), 4 parts of lubricants, titanate coupling agent NDZ-201 be 2 parts, glyceryl monostearate (GMS) be stir 4min in 2 parts of adding homogenizers after, add and continue again to stir 5min behind 70 parts in the diatomite and get Preblend.After this again Preblend is fed in the twin screw extruder, through extrude, water-cooled, pelletizing and drying, namely make plastic shaping with the suction master batch.
In order to embody better suction master batch of the present invention to the vital role of reprocessed plastic(s) moulding, below in conjunction with specific embodiment, the soaking effect of suction master batch and performance, the outward appearance improvement situation of plastics are illustrated.In the following embodiments, the testing method of each physical property is as follows respectively:
Melt flow rate (MFR) is tested according to ISO 1133;
Tensile strength, elongation at break are according to ISO 527-1, and 2 measure;
Flexural strength, modulus in flexure are measured according to ISO 178;
The socle girder notched Izod impact strength is measured according to ISO 180.
Concrete material mixture ratio is as shown in table 1 below, and 1# in the table-5# raw material is to use the prepared suction master batch of embodiment 1-5 and reprocessed plastic(s) to carry out composite production; Wherein the 6# raw material is the contrast of not adding the suction master batch.
Then press proportioning in the table 1, will absorb water master batch and reprocessed plastic(s) are by injection moulding after the mechanically mixing, and its concrete mechanical property and outward appearance situation of making plastics sees the following form shown in 2.
Table 1: the proportioning of suction master batch and reprocessed plastic(s) forms
| Sequence number | Raw material | 1# | 2# | 3# | 4# | 5# | 6# |
| 1 | Reprocessed plastic(s) | 100 | 100 | 100 | 100 | 100 | 100 |
| 2 | The suction master batch that embodiment 1 makes | 2.5 | |||||
| 3 | The suction master batch that embodiment 2 makes | 1 | |||||
| 4 | The suction master batch that embodiment 3 makes | 2 | |||||
| 5 | The suction master batch that embodiment 4 makes | 4 | |||||
| 6 | The suction master batch that embodiment 5 makes | 2.5 |
Table 2: the concrete mechanical property of each material and outward appearance situation
| Test item | 1# | 2# | 3# | 4# | 5# | 6# |
| Melt finger/g/10min | 8.4 | 8.5 | 8.5 | 8.3 | 8.6 | 8.5 |
| Tensile strength/MPa | 26.1 | 27.3 | 25.5 | 26.6 | 25.5 | 25.3 |
| Elongation at break/% | 103 | 65 | 79 | 96 | 87 | 84 |
| Flexural strength/MPa | 31 | 29.9 | 30.8 | 31.2 | 31.8 | 30.3 |
| Modulus in flexure/MPa | 1123 | 1210 | 1185 | 1165 | 1236 | 1108 |
| Socle girder notch shock/KJ/m2 | 6.0 | 5.4 | 5.9 | 5.8 | 5.5 | 5.1 |
| Products appearance | Without water wave | Slight water wave | Without water wave | Without water wave | Without water wave | A large amount of water waves |
Can be found out by top table 2, use suction master batch of the present invention to add use in the reprocessed plastic(s) production process, surface of plastic products is bright and clean smooth, without water wave or bubble.So the suction master batch can effectively be removed the surperficial water wave of reprocessed plastic(s) goods, improves glossiness, has also slightly improved the mechanical property of plastics simultaneously.Because the diatomite in the suction master batch has vesicular structure, can hold in conjunction with water, can effectively remove the moisture in the reprocessed plastic(s), thereby reduce the baking material time of reprocessed plastic(s); Can reduce simultaneously the irritating smell of reprocessed plastic(s).
The above; only be the better embodiment of the present invention; but protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, all should be encompassed within protection scope of the present invention.
Claims (8)
1. suction master batch that is used for the reprocessed plastic(s) moulding is characterized in that: be to be prepared from by weight by following component:
Vector resin: 15-35 parts;
Diatomite: 65-85 parts;
Lubricant: 2-8 parts;
Coupling agent: 1-3 parts;
Dispersion agent: 0-3 parts.
2. suction master batch according to claim 1, it is characterized in that: described vector resin is polyethylene, polypropylene or polystyrene.
3. suction master batch according to claim 1 is characterized in that: described diatomite for through high-temperature calcination pulverizing, particle diameter greater than 800 purpose powders, porosity is greater than 90%, specific surface area is greater than 60 ㎡/g.
4. suction master batch according to claim 1, it is characterized in that: described coupling agent is silane coupling agent or titanate coupling agent.
5. suction master batch according to claim 4, it is characterized in that: described silane coupling agent is aminopropyl triethoxysilane; Described titanate coupling agent is sec.-propyl three (dioctylphyrophosphoric acid ester acyl group) titanic acid ester.
6. suction master batch according to claim 1, it is characterized in that: described dispersion agent is glyceryl monostearate or ethylene group bis-stearamides.
7. suction master batch according to claim 1 is characterized in that: described lubricant is that white oil and polyethylene wax are that 1:2 forms in mass ratio.
8. method for preparing suction master batch as claimed in claim 1 is characterized in that: may further comprise the steps:
(1) takes by weighing in proportion vector resin, coupling agent, dispersion agent and lubricant, place homogenizer to stir time 3min-5min;
(2) in (1), add diatomite, continue again to stir 3min-5min, make Preblend;
(3) with in the Preblend that makes in (2) the feeding twin screw extruder, again through extrude, water-cooled, pelletizing and drying, namely make the suction master batch.
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| CN2013100154043A CN103044752A (en) | 2013-01-16 | 2013-01-16 | Water-absorbing master batch for moulding regenerated plastic and preparation method for same |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103232700A (en) * | 2013-04-27 | 2013-08-07 | 上海锦湖日丽塑料有限公司 | Low-odor PC/ABS (polycarbonate/acrylonitrile-butadiene-styrene) reinforced alloy material and preparation method thereof |
| CN103387716A (en) * | 2013-08-15 | 2013-11-13 | 常州海企塑业有限公司 | Special blue masterbatch for BOPS (biaxially oriented polystyrene) sheets and preparation method thereof |
| CN104371188A (en) * | 2014-02-21 | 2015-02-25 | 解波 | High strength and high gloss recycled plastic and preparation method thereof |
| CN106062071A (en) * | 2014-12-23 | 2016-10-26 | 株式会社Lg化学 | Attrition-resistant superabsorbent polymer and method for producing same |
| CN106633392A (en) * | 2016-12-02 | 2017-05-10 | 长兴天晟能源科技有限公司 | Functional master batch capable of improving antistatic property of polypropylene |
| CN108329576A (en) * | 2017-01-19 | 2018-07-27 | 合肥杰事杰新材料股份有限公司 | A kind of moisture-proof master batch and preparation method thereof for injection moulding regrinding-material |
| CN108329577A (en) * | 2017-01-19 | 2018-07-27 | 合肥杰事杰新材料股份有限公司 | A kind of feed back water suction master batch and preparation method thereof |
| CN109575413A (en) * | 2018-11-29 | 2019-04-05 | 廊坊华博环保材料有限公司 | A kind of water suction master batch and preparation method thereof |
| CN112239559A (en) * | 2020-10-23 | 2021-01-19 | 吴坤山 | Plastic master batch prepared by using algae as main raw material |
| CN112831132A (en) * | 2021-01-29 | 2021-05-25 | 湖南省升阳新材料有限公司 | Flame-retardant color master batch for XPS (extruded polystyrene) foaming insulation board and preparation method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103232700A (en) * | 2013-04-27 | 2013-08-07 | 上海锦湖日丽塑料有限公司 | Low-odor PC/ABS (polycarbonate/acrylonitrile-butadiene-styrene) reinforced alloy material and preparation method thereof |
| CN103387716A (en) * | 2013-08-15 | 2013-11-13 | 常州海企塑业有限公司 | Special blue masterbatch for BOPS (biaxially oriented polystyrene) sheets and preparation method thereof |
| CN103387716B (en) * | 2013-08-15 | 2016-03-02 | 常州海企塑业有限公司 | Special blue master batch of a kind of BOPS sheet material and preparation method thereof |
| CN104371188A (en) * | 2014-02-21 | 2015-02-25 | 解波 | High strength and high gloss recycled plastic and preparation method thereof |
| CN106062071A (en) * | 2014-12-23 | 2016-10-26 | 株式会社Lg化学 | Attrition-resistant superabsorbent polymer and method for producing same |
| US10307731B2 (en) | 2014-12-23 | 2019-06-04 | Lg Chem, Ltd. | Attrition-resistant superabsorbent polymer and method for producing same |
| CN106633392A (en) * | 2016-12-02 | 2017-05-10 | 长兴天晟能源科技有限公司 | Functional master batch capable of improving antistatic property of polypropylene |
| CN108329576A (en) * | 2017-01-19 | 2018-07-27 | 合肥杰事杰新材料股份有限公司 | A kind of moisture-proof master batch and preparation method thereof for injection moulding regrinding-material |
| CN108329577A (en) * | 2017-01-19 | 2018-07-27 | 合肥杰事杰新材料股份有限公司 | A kind of feed back water suction master batch and preparation method thereof |
| CN109575413A (en) * | 2018-11-29 | 2019-04-05 | 廊坊华博环保材料有限公司 | A kind of water suction master batch and preparation method thereof |
| CN112239559A (en) * | 2020-10-23 | 2021-01-19 | 吴坤山 | Plastic master batch prepared by using algae as main raw material |
| CN112831132A (en) * | 2021-01-29 | 2021-05-25 | 湖南省升阳新材料有限公司 | Flame-retardant color master batch for XPS (extruded polystyrene) foaming insulation board and preparation method thereof |
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Application publication date: 20130417 |