CN100999334A - Manufacturing method of antimony trioxide parent particle - Google Patents
Manufacturing method of antimony trioxide parent particle Download PDFInfo
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- CN100999334A CN100999334A CN 200710000830 CN200710000830A CN100999334A CN 100999334 A CN100999334 A CN 100999334A CN 200710000830 CN200710000830 CN 200710000830 CN 200710000830 A CN200710000830 A CN 200710000830A CN 100999334 A CN100999334 A CN 100999334A
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Abstract
This invention relates to a preparation method of antimony trioxide masterbatch. Heat and mix antimony trioxide powders 70-90%, of which particle size distribution is between 0.4- 2.0mum, carrying agent 4-10%, and titanate or silicane coupling agent 0.1%-1% in impeller or continuous reshaping subassembly, intensive mix, add in double screw forcer, pellet and form by water surrounding pelletizing equipment, distinguish masterbatch by oscillating screen, remove dampness by drier, and pack. This invention not only can fundamentally solve dust problem in polymer secondary reshaping process, it also can improve compatibility between powders and plastic basal body, interface stickiness between bulking agent and polymer material, and crystallizing behavior, increase flowability, mechanic function, and hindering inflame function, decrease plastic mechanic function descending.
Description
Technical field
The present invention relates to a kind of preparation method of antimony trioxide masterbatch.Belong to chemical field.
Background technology
The harm of industrial dust is very general, and the whole world has nearly hundred million laborers to be subjected to the influence of dust hazard, only is example with China, and pneumoconiosis accumulative total in 2005 morbidity is just up to more than 60 ten thousand examples.It is 2.5mg/m that the dust of China's state health standards exposes degree to the open air
3, can responsible theory, seldom there is modifying plastics producer can reach this level.In developed country (AIHA of U.S. industrial hygiene administration, 1981), it is 5mg/m that the dust of recommendation production plant exposes degree to the open air
3(8 hours dutys, 40 hours weekly), this damaging effect that is based on particulate is considered.
Exclusiveness contacts in the final use of processing, textile industry, equipment and the manufacturing of decoration product of self prescription production, plastics industry and fire-retardant back product and exists.The plastic working industry, it is generally acknowledged when forming process, because most interpolation auxiliary agents all are powder body materials, for example various dispersion agents, lubricant, antimonous oxide, mineral filler or the like, complicated various powder weighing, and when various powders were added blending bunker, the degree maximum of dust from flying sucked contact and skin contact and accounts for maximum ratio.And if adopt master batch as adding auxiliary agent in the production process, head it off fundamentally then.
Master batch is a kind of novel plastic forming process auxiliary agent that grows up the eighties in 20th century, is added in the vector resin and is made by the additives for plastics that exceeds conventional addition (mostly being more than 50%), therefore when moulded plastic products, can directly add master batch.Use plastic master batch can simplify production process, reduce dust from flying and the wearing and tearing of equipment, conservation, make raw material mix convenient, mixing quality is even, thereby enhance productivity and the performance index of goods.Therefore, plastic master batch has played great role to the fast development that promotes plastics industry.
Plastic master batch is the important component of plastics, and its quality, processing mode, complete processing etc. all directly influence the quality of plastics.The high quality plastic master batch of therefore, development, exploitation different performance and processing technology thereof have crucial meaning to the Application and Development of plastics.The development trend of plastic master batch New Machining Technology is: 1. exploitation dispersiveness is auxiliary agent better, makes it higher with the cohesive strength at vector resin interface; 2. should make production technique simple as far as possible, reduce production costs; 3. under the prerequisite that guarantees transportation and processing, improve the content of auxiliary agent as far as possible; 4. develop better vector resin and vector resin treatment technology.The present invention has carried out corresponding research work for above several aspects exactly.
Summary of the invention
The purpose of this invention is to provide a kind of preparation method of antimony trioxide masterbatch, the antimonous oxide powder content is 70～90%, and by reasonably choosing dispersion agent and coupling agent, at different processing base material and performance requriementss, choose different carriers, produce the master batch that is fit to the use of plastic working industry.
Main contents of the present invention are: (weight percent) is with the antimonous oxide powder material 70～90% of size-grade distribution between 0.4～2.0 μ m, carrier 4～20%, dispersion agent 4～10%, and 0.1%～1% titanic acid ester or silane coupling agent, heated and stirred in homogenizer or continuous modification unit equipment, when material temperature rise to 95 ℃～100 ℃, various auxiliary agents are sheared heat fusion fully under the high-speed mixing effect, make powder body material evenly stick to carrier surface and get final product discharging.Add at last in the twin screw extruder, through water ring granulating equipment granulating and forming, moulding is after vibratory screening apparatus automatic distinguishing master batch specification, through drying machine dehumidifying back packing.
Carrier among the present invention is resin and elastomerics, described carrier is resin and elastomerics, be new LDPE (film grade) (LDPE), ethene-ethyl acrylate copolymer (EVA), polyvinyl chloride (PVC), polyolefin elastomer (POE), chlorinatedpolyethylene (CPE), vinylbenzene-divinyl-cinnamic segmented copolymer (SBS), vinylbenzene-ethene-butylene-cinnamic segmented copolymer (SEBS), thermoplastic olefin (TPO is by terpolymer EP rubber (EPDM) rubber and polypropene blended forming), thermoplastic elastomer (TPE) etc.;
Dispersion agent is a polyethylene wax, and the silicone lubricant coupling agent of adapted 0.5%～0.1% is titanate coupling agent or silane coupling agent simultaneously;
The twin screw extruder diameter of phi is 40～100mm, uses the water ring granulation, after the bistrique moulding again by water-cooled, drying.
The invention has the beneficial effects as follows:
1, antimonous oxide content of the present invention is 70～90%, through great deal of laboratory tests and the test of industrial actual production scale, at antimonous oxide content at 85～90% o'clock, consistent during the antimonous oxide powder of the fire retardation that master batch is risen in fire retardant material and equal quality, and adopt its physical and mechanical properties of fire retardant material of master batch to be better than the fire retardant material of use antimonous oxide powder equal prescription under.So just avoided antimonous oxide content in the undue raising master batch, if antimonous oxide content surpasses 90%, owing to surpassed the action limit of dispersion agent and coupling agent, the loss meeting of equipment aggravates greatly in the master batch course of processing, and the serious depreciation meeting of fixed capital is increased sharply the cost of master batch.
2, powder body material of the present invention is mainly realized moulding process by carrier, and carrier is resins for universal use or elastomerics.At the plastic raw material substrate and the performance requriements of use master batch, choose different carriers, be mainly LDPE, EVA, PVC, POE, CPE, SBS, SEBS, TPO, TPE etc.For resins for universal use carrier master batch, mainly be to be with a kind of resin at plastic raw material substrate and carrier, so not there is the bad problem of consistency.For elastomerics carrier master batch, because being the modification of widespread use in the present plastics, elastomerics adds material, so mainly be at using such elastomeric process systems in the plastic working prescription, bringing any unfavorable factor so also can for the whole prod system.So just aspect starting material, fundamentally guaranteed the stable of system, adopted cheap carrier simultaneously, replaced other special addition agents with high costs, reduced the cost of master batch significantly, thereby guaranteed the large-scale industrial application of downstream manufacturers.
3, production machinery of the present invention is modified device and twin screw extruder, and Φ is 40～100mm, and the venting port of screw extrusion press uses the vacuum pump exhaust, and the melting material of high-powder content can pass through the water ring extruding pelletization.Melting material cooled off in the very first time, had solved in the course of processing because extrusion temperature is too high, can't cool off rapidly and caused the problem of auxiliary agent oxidation deactivation, thereby guarantee its use properties.
4, the master batch of the present invention's manufacturing is in secondary uses, the master batch grain in the blend of plastic raw materials particle owing to all be solid particulate, so mixing of materials is even, when eliminating dust, also solved powder and the plastic raw materials particle can't be realized mixed uniformly problem.Powder body material can appear in the material by powder body material and plastic pellet blend in adding feed bin, finally cause the interior distribution of material of product unbalanced.
Embodiment
Embodiment 1
With granularity is the antimonous oxide powder material 80～85% of 0.4 μ m, carrier 10～20%, dispersion agent 4～8%, and 0.1%～0.5% titanic acid ester or silane coupling agent.Heated and stirred in homogenizer or continuous modification unit equipment, when material temperature rise to 95 ℃～100 ℃, various auxiliary agents are sheared heat fusion fully under the high-speed mixing effect, make powder body material evenly stick to carrier surface and get final product discharging.Add at last in the twin screw extruder, the controlled temperature of processing district is respectively: 120～140 ℃ of feeding sections, and 130 ℃～150 ℃ of compression sections, 135 ℃～160 ℃ of homogenizing zones, head: 110～160 ℃, screw speed 600r/min～1200r/min.Melting material is by the water ring extruding pelletization, and moulding is after vibratory screening apparatus automatic distinguishing master batch specification, through drying machine dehumidifying back packing.
Embodiment 2
With granularity is the antimonous oxide powder material 80～85% of 1.0 μ m, carrier 10～20%, dispersion agent 4～8%, and 0.1%～0.5% titanic acid ester or silane coupling agent, heated and stirred in homogenizer or continuous modification unit equipment, when material temperature rise to 95 ℃～100 ℃, various auxiliary agents are sheared heat fusion fully under the high-speed mixing effect, make powder body material evenly stick to carrier surface and get final product discharging.Add at last in the twin screw extruder, the controlled temperature of processing district is respectively: 120～140 ℃ of feeding sections, and 130 ℃～150 ℃ of compression sections, 135 ℃～160 ℃ of homogenizing zones, head: 110～160 ℃, screw speed 600r/min～1200r/min.Melting material is by the water ring extruding pelletization.Moulding is after vibratory screening apparatus automatic distinguishing master batch specification is passed through drying machine dehumidifying back packing.
Embodiment 3
With granularity is the antimonous oxide powder material 80～85% of 2.0 μ m, carrier 10～20%, dispersion agent 4～8%, and 0.1%～0.5% titanic acid ester or silane coupling agent, heated and stirred in homogenizer or continuous modification unit equipment, when material temperature rise to 95 ℃～100 ℃, various auxiliary agents are sheared heat fusion fully under the high-speed mixing effect, make powder body material evenly stick to carrier surface and get final product discharging.Add at last in the twin screw extruder, the controlled temperature of processing district is respectively: 120～140 ℃ of feeding sections, and 130 ℃～150 ℃ of compression sections, 135 ℃～160 ℃ of homogenizing zones, head: 110～160 ℃, screw speed 600r/min～1200r/min.Melting material is by the water ring extruding pelletization, and moulding is after vibratory screening apparatus automatic distinguishing master batch specification, through drying machine dehumidifying back packing.
Embodiment 4
With granularity is the antimonous oxide powder material 85～90% of 0.4 μ m, carrier 4～10%, dispersion agent 4～8%, and 0.1%～0.5% titanic acid ester or silane coupling agent.Heated and stirred in homogenizer or continuous modification unit equipment, when material temperature rise to 95 ℃～100 ℃, various auxiliary agents are sheared heat fusion fully under the high-speed mixing effect, make powder body material evenly stick to carrier surface and get final product discharging.Add at last in the twin screw extruder, the controlled temperature of processing district is respectively: 120～140 ℃ of feeding sections, and 130 ℃～150 ℃ of compression sections, 135 ℃～160 ℃ of homogenizing zones, head: 110～160 ℃, screw speed 600r/min～1200r/min.Melting material is by the water ring extruding pelletization, and moulding is after vibratory screening apparatus automatic distinguishing master batch specification, through drying machine dehumidifying back packing.
Embodiment 5
With granularity is the antimonous oxide powder material 85～90% of 1.0 μ m, carrier 4～10%, dispersion agent 4～8%, and 0.1%～0.5% titanic acid ester or silane coupling agent.Heated and stirred in homogenizer or continuous modification unit equipment, when material temperature rise to 95 ℃～100 ℃, various auxiliary agents are sheared heat fusion fully under the high-speed mixing effect, make powder body material evenly stick to carrier surface and get final product discharging.Add at last in the twin screw extruder, the controlled temperature of processing district is respectively: 120～140 ℃ of feeding sections, and 130 ℃～150 ℃ of compression sections, 135 ℃～160 ℃ of homogenizing zones, head: 110～160 ℃, screw speed 600r/min～1200r/min.Melting material is by the water ring extruding pelletization, and moulding is after vibratory screening apparatus automatic distinguishing master batch specification, through drying machine dehumidifying back packing.Make the antimonous oxide masterbatch.
Embodiment 6
With granularity is the antimonous oxide powder material 85～90% of 2.0 μ m, carrier 4～10%, dispersion agent 4～8%, and 0.1%～0.5% titanic acid ester or silane coupling agent.Heated and stirred in homogenizer or continuous modification unit equipment, when material temperature rise to 95 ℃～100 ℃, various auxiliary agents are sheared heat fusion fully under the high-speed mixing effect, make powder body material evenly stick to carrier surface and get final product discharging.Add at last in the twin screw extruder, the controlled temperature of processing district is respectively: 120～140 ℃ of feeding sections, and 130 ℃～150 ℃ of compression sections, 135 ℃～160 ℃ of homogenizing zones, head: 110～160 ℃, screw speed 600r/min～1200r/min.Melting material is by the water ring extruding pelletization, and moulding is after vibratory screening apparatus automatic distinguishing master batch specification, through drying machine dehumidifying back packing.
Embodiment 7
With granularity is the antimonous oxide powder material 70～80% of 0.4 μ m, carrier 10～20%, 4～10% dispersion agent, and 0.1%～0.5% titanic acid ester or silane coupling agent.Heated and stirred in homogenizer or continuous modification unit equipment, when material temperature rise to 95 ℃～100 ℃, various auxiliary agents are sheared heat fusion fully under the high-speed mixing effect, make powder body material evenly stick to carrier surface and get final product discharging.Add at last in the twin screw extruder, the controlled temperature of processing district is respectively: 120～140 ℃ of feeding sections, and 130 ℃～150 ℃ of compression sections, 135 ℃～160 ℃ of homogenizing zones, head: 110～160 ℃, screw speed 600r/min～1200r/min.Melting material is by the water ring extruding pelletization, and moulding is after vibratory screening apparatus automatic distinguishing master batch specification, through drying machine dehumidifying back packing.
Embodiment 8
With granularity is the antimonous oxide powder material 70～80% of 1.0 μ m, carrier 10～20%, 4～10% dispersion agent, and 0.1%～0.5% titanic acid ester or silane coupling agent.Heated and stirred in homogenizer or continuous modification unit equipment, when material temperature rise to 95 ℃～100 ℃, various auxiliary agents are sheared heat fusion fully under the high-speed mixing effect, make powder body material evenly stick to carrier surface and get final product discharging.Add at last in the twin screw extruder, the controlled temperature of processing district is respectively: 120～140 ℃ of feeding sections, and 130 ℃～150 ℃ of compression sections, 135 ℃～160 ℃ of homogenizing zones, head: 110～160 ℃, screw speed 600r/min～1200r/min.Melting material is by the water ring extruding pelletization, and moulding is after vibratory screening apparatus automatic distinguishing master batch specification, through drying machine dehumidifying back packing.
Embodiment 9
With granularity is the antimonous oxide powder material 70～80% of 0.4 μ m, carrier 10～20%, 4～10% dispersion agent, and 0.1%～0.5% titanic acid ester or silane coupling agent.Heated and stirred in homogenizer or continuous modification unit equipment, when material temperature rise to 95 ℃～100 ℃, various auxiliary agents are sheared heat fusion fully under the high-speed mixing effect, make powder body material evenly stick to carrier surface and get final product discharging.Add at last in the twin screw extruder, the controlled temperature of processing district is respectively: 120～140 ℃ of feeding sections, and 130 ℃～150 ℃ of compression sections, 135 ℃～160 ℃ of homogenizing zones, head: 110～160 ℃, screw speed 600r/min～1200r/min.Melting material is by the water ring extruding pelletization, and moulding is after vibratory screening apparatus automatic distinguishing master batch specification, through drying machine dehumidifying back packing.
Application example 1
Table 1. fire-retardant acrylonitrile-butadiene diene-styrene copolymer (ABS) prescription is formed
| Prescription | ABS/ ％ | Decabromodiphynly oxide/% | Antimonous oxide powder/% | Master batch/the % of antimonous oxide content 90% |
| 1 2 | 84 84 | 12 12 | 4 - | - 4 |
Table 2. fire-retardant acrylonitrile-butadiene diene-styrene copolymer (ABS) performance test
| Performance | Operative norm | ABS04 | ABS07 |
| Elongation at break/% tensile strength/MPa simply supported beam non-notch resistance to impact shock/kJm -2The socle girder breach is towards intensity/kJm -2Melt flow rate (MFR)/g10 min -1Plastics combustionproperty UL94 (3.0mm) plastics combustionproperty oxygen index method | GB/T1040-1992 GB/T1040-1992 GB/T1043-1993 GB/T1843-1996 GB/T3682-2000 GB/T2408-1996 GB/T2406-1993 | 21 42.0 59.3 8.0 1.86 V-0 26.7 | 24 41.8 61.2 8.6 1.91 V-0 27.6 |
Can find out obviously that the plastics various aspects of performance of use master batch all is better than using the plastics of powder body material.Chain molecule in the dispersion agent that the present invention uses is the solvent chain lipophilic group, with resin certain consistency is arranged, and guarantees that dispersion agent forms certain thickness protective layer in solid particles surface, the material of main part in the master batch can be evenly dispersed in the vector resin.Like this, when containing the solid particulate that disperses group and interact, flick mutually, thereby realize the stable dispersion of solid particulate in resin owing to the spatial obstacle between the adsorption layer makes particle because of Van der Waals force.
A superpolymer system is carried out any change (for example adding powder body material), all can cause material appearance, mechanical property, electric property and other changes of properties, this variation is very serious sometimes, may influence the last use of material.The manufacturers of high polymer material and user try hard to reduce this variation.When development superpolymer product, must take performance, cost, processibility, industrial hygiene and the safety of product and all multifactor into account to the influence of environment etc.
The present invention not only can fundamentally solve the dust problem in the twice-modified processing of polymkeric substance, simultaneously because the effect of properties-correcting agent, improve powder body material and plastic substrate consistency, and interface bonding, crystallization behavior and the form of filler and polymer materials, improve flowability, mechanical property and the anti-flaming function of material, reduce the decline of plastics mechanical property.
The modifying process of material can carry out modification with homogenizer or continuous modification unit.Use the homogenizer modification, the material that proportioning is good joins in the homogenizer, and under the blade high speed rotating, the materials flow of high speed rotating strikes on the traverse baffle, changes the mobile direction, strengthens mixing of materials and dispersion effect, can reach the purpose of modification.With the modification of continous way modification unit: three continuous modification units in the modification chamber, under the rotor of high speed rotating drives, are the fluidized state rotation with mass transport, carry out thorough mixing and force modification.Dispersion agent and the lubricant used as plastic master batch must reach two requirements: (1) they and carrier has suitable consistency, has good inside and outside oilness, makes plastics that outward appearance preferably be arranged.(2) fusing point is unsuitable too high, generally is lower than 100 ℃, is convenient to the lubricant fusing, makes material of main part can evenly stick to carrier surface in mixing process.
Claims (3)
1, a kind of preparation method of antimony trioxide masterbatch, it is characterized in that: (weight percent, as follows) with the antimonous oxide powder material 70～90% of size-grade distribution between 0.4～2.0 μ m, carrier 4～20%, dispersion agent 4～10%, and 0.1%～1% titanic acid ester or silane coupling agent, heated and stirred in homogenizer or continuous modification unit equipment, behind the thorough mixing, join in the twin screw extruder through water ring granulating equipment granulating and forming, moulding is after vibratory screening apparatus automatic distinguishing master batch specification is passed through drying machine dehumidifying back packing.
2, a kind of preparation method of antimony trioxide masterbatch according to claim 1, it is characterized in that: described carrier is resin and elastomerics, be new LDPE (film grade) (LDPE), ethene-ethyl acrylate copolymer (EVA), polyvinyl chloride (PVC), polyolefin elastomer (POE), chlorinatedpolyethylene (CPE), vinylbenzene-divinyl-cinnamic segmented copolymer (SBS), vinylbenzene-ethene-butylene-cinnamic segmented copolymer (SEBS), thermoplastic olefin (TPO is by terpolymer EP rubber (EPDM) rubber and polypropene blended forming), thermoplastic elastomer (TPE) etc.
3, a kind of preparation method of antimony trioxide masterbatch according to claim 1 is characterized in that: described dispersion agent is a polyethylene wax, the silicone lubricant of while adapted 0.5%～0.1%, and coupling agent is titanate coupling agent or silane coupling agent.
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| CN101759891A (en) * | 2008-12-19 | 2010-06-30 | 赢创德固赛有限责任公司 | Particle containing silatrane |
| CN102367320A (en) * | 2011-06-24 | 2012-03-07 | 深圳市科聚新材料有限公司 | General white master batch and its preparation method |
| CN102585288A (en) * | 2012-01-18 | 2012-07-18 | 广西大学 | Method for preparing masterbatch with high content of antimony oxide |
| CN102643469A (en) * | 2012-05-10 | 2012-08-22 | 广西华锑科技有限公司 | LDPE (Low-Density Polyethylene)/EVA (Ethylene Vinyl Acetate Copolymer) anti-flaming material and preparation method thereof |
| CN103275387A (en) * | 2013-06-03 | 2013-09-04 | 北京理工大学 | Nano antimonous oxide master batch as well as preparation method and application thereof in halogen-free synergistic flame retardant plastic |
| CN103589098A (en) * | 2013-11-10 | 2014-02-19 | 湖南金旺铋业股份有限公司 | Preparation method of flame retardant master batches in macromolecules |
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| CN105111569A (en) * | 2015-10-11 | 2015-12-02 | 江苏五信新材料科技有限公司 | Preparation method of antimony trioxide flame-retardant master batch |
| CN105111506A (en) * | 2015-04-23 | 2015-12-02 | 广西华锑科技有限公司 | Antimonic smoke-abating flame-retardant master batch and preparation method thereof |
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| CN1102609C (en) * | 1999-11-02 | 2003-03-05 | 海尔科化工程塑料国家工程研究中心有限公司 | Fire-retarding mother particles and preparing process thereof |
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| CN101759891A (en) * | 2008-12-19 | 2010-06-30 | 赢创德固赛有限责任公司 | Particle containing silatrane |
| CN102367320A (en) * | 2011-06-24 | 2012-03-07 | 深圳市科聚新材料有限公司 | General white master batch and its preparation method |
| CN102585288A (en) * | 2012-01-18 | 2012-07-18 | 广西大学 | Method for preparing masterbatch with high content of antimony oxide |
| CN102643469A (en) * | 2012-05-10 | 2012-08-22 | 广西华锑科技有限公司 | LDPE (Low-Density Polyethylene)/EVA (Ethylene Vinyl Acetate Copolymer) anti-flaming material and preparation method thereof |
| CN103275387A (en) * | 2013-06-03 | 2013-09-04 | 北京理工大学 | Nano antimonous oxide master batch as well as preparation method and application thereof in halogen-free synergistic flame retardant plastic |
| CN103589098A (en) * | 2013-11-10 | 2014-02-19 | 湖南金旺铋业股份有限公司 | Preparation method of flame retardant master batches in macromolecules |
| CN103694548A (en) * | 2013-12-06 | 2014-04-02 | 上海至正道化高分子材料有限公司 | 150-DEG C irradiation cross-linking anti-blocking halogen-free flame-retardant insulating material and preparation method thereof |
| CN103694548B (en) * | 2013-12-06 | 2016-03-02 | 上海至正道化高分子材料股份有限公司 | 150 DEG C of cross-linking radiation antiblocking halogen-free flame retardant insulation materials and preparation method thereof |
| CN105111506A (en) * | 2015-04-23 | 2015-12-02 | 广西华锑科技有限公司 | Antimonic smoke-abating flame-retardant master batch and preparation method thereof |
| CN105111569A (en) * | 2015-10-11 | 2015-12-02 | 江苏五信新材料科技有限公司 | Preparation method of antimony trioxide flame-retardant master batch |
| CN105602246A (en) * | 2016-03-04 | 2016-05-25 | 广西华锑科技有限公司 | Antimony-based compound flame-retardant masterbatch for nylon 66 and preparation method of antimony-based compound flame-retardant masterbatch |
| CN105754327A (en) * | 2016-03-04 | 2016-07-13 | 广西华锑科技有限公司 | Antimony trioxide compound flame retardant masterbatch for polycaprolactam and preparation method thereof |
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| CN112724588A (en) * | 2020-12-25 | 2021-04-30 | 广东宇星阻燃新材股份有限公司 | Preparation method and application of ABS (acrylonitrile-butadiene-styrene) efficient flame-retardant toughening master batch |
| CN112724588B (en) * | 2020-12-25 | 2023-03-10 | 广东宇星阻燃新材股份有限公司 | Preparation method and application of ABS (acrylonitrile-butadiene-styrene) efficient flame-retardant toughening master batch |
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Application publication date: 20070718 Assignee: China Antimony Technology Co., Ltd. Assignor: BEIJING INSTITUTE OF TECHNOLOGY Contract record no.: 2009450000126 Denomination of invention: Manufacturing method of antimony trioxide parent particle Granted publication date: 20090121 License type: Exclusive License Record date: 20091216 |
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Effective date of registration: 20171211 Address after: 530000 the Guangxi Zhuang Autonomous Region Nanning hi tech Zone revitalization Road No. 91 Patentee after: China Antimony Technology Co., Ltd. Address before: 100081 No. 5, Zhongguancun South Street, Haidian District, Beijing Patentee before: BEIJING INSTITUTE OF TECHNOLOGY |