CN101429686B - Polymer master batch with good dispersibility and its production method and application - Google Patents
Polymer master batch with good dispersibility and its production method and application Download PDFInfo
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- CN101429686B CN101429686B CN2008100723325A CN200810072332A CN101429686B CN 101429686 B CN101429686 B CN 101429686B CN 2008100723325 A CN2008100723325 A CN 2008100723325A CN 200810072332 A CN200810072332 A CN 200810072332A CN 101429686 B CN101429686 B CN 101429686B
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Abstract
The invention provides a polymer master batch with good dispersive property, a preparation method and application thereof. The polymer master batch comprises raw materials as follows: polymer, inorganic mineral power, a surface dressing agent, a dispersing agent and an auxiliary additive. The preparation method comprises the following steps: carrying out surface dressing treatment on the inorganic mineral powder; carrying out dispersing pretreatment on the inorganic mineral powder; and mixing and granulating the inorganic mineral powder to prepare the polymer master batch. The polymer master batch can be used for spinning synthetic fibers with various forms. The master batch adopts the inorganic mineral powder as fillers, and has the advantages of scientific and reasonable formulation, low cost, environmental protection, non-toxicity, simple and feasible production process, energy conservation, application for synthesizing multiple fibers, wide application range, good quality of produced fiber products and easy decomposition, is applicable to large-scale popularization and application, and has significant economic benefit and environmental protection benefit.
Description
Technical field
The invention belongs to the composite fibre materials technical field, more specifically relate to good polymer master batch of a kind of dispersive property and its production and application.
Background technology
Environmental protection has become one of sixty-four dollar question that the mankind face, utilizes of a great varietyly, and reserves are abundant, and are cheap, and the simple relatively natural minerals of treatment process carries out environmental protection, has small investment, treatment effect is good and secondary pollution advantage such as less.Many countries, particularly developed country in the world to nonmetallic mineral the application in environmental protection pay much attention to.In recent years, the inorganic particle modified plastics is as typical case's representative of environmental friendliness plastic material, and industrialization process is constantly accelerated.Introduce according to modified plastics Professional Committee of Chinese plastic processing TIA, compare with common plastics, the inorganic particle modified plastics has three advantages: the one, and energy savings.The inorganic particle modified plastics has used 20%～40% the alternative synthetic resin of inorganic particle in process of production, has saved the consumption of resin raw material greatly.Produce 3,000,000 tons of plastic products, use the inorganic particle modified plastics than using common plastics and can save 700,000 tons synthetic resin at least.The 2nd, reduce waste discharge.Employing derives from nature and returns again in the environmental friendliness plastic of the inorganic particle exploitation of nature, and the harmful substance of burning back discharging is wanted much less than common plastics.The 3rd, the inorganic particle modified plastics can be adjusted prescription flexibly according to Application Areas, realizes its functionalization.
The Application Areas of high polymer is aspect three: plastics, synthetic rubber and synthetic fiber.Emerge in an endless stream in the achievement of research, exploitation and industrialization aspect the modification of application inorganic particle in the first two field.According to incompletely statistics, the production line of the inorganic powder filled masterbatch used of domestic existing plastics is thousands of.Yet, in the synthetic fiber field,, inorganic powder filled masterbatch is used as synthetic fiber owing to have than higher difficulty, rarely have finding; And it is single to can be used for the synthetic fiber kind, of low quality, shortcomings such as cost height.
Goal of the invention
The purpose of this invention is to provide good polymer master batch of a kind of dispersive property and its production and application, it is stuffing that this masterbatch adopts inorganic mineral powder, and scientific formulation is reasonable, and is with low cost, and environment-protecting asepsis; Production process is simple, and energy savings can apply to multiple synthetic fiber, has wide range of applications, and the fiber product quality of production is good, and easily degraded is fit to large-scale promotion application, has remarkable economic efficiency and environmental protection benefit.
The raw material of the polymer master batch that dispersive property of the present invention is good: comprise polymer, inorganic mineral powder, coating material and dispersant and auxiliary additive, the consumption of described raw material is: according to parts by weight, 25～60 parts of vector resins, 40～75 parts of inorganic mineral powders, coating material consumption are 2%～2.5% of inorganic mineral powder weight; 9～10 parts of dispersants, 3.7～4.7 parts of auxiliary additives.
The preparation method of the polymer master batch that dispersive property of the present invention is good: described preparation method comprises: the inorganic mineral powder finishing is handled, and the pre-dispersed processing of inorganic mineral powder is mixed, and granulation is prepared into polymer master batch.
Polymer master batch of the present invention is used to spin the synthetic fiber of various forms.
Remarkable advantage of the present invention is:
A) the present invention adopts inorganic mineral powder as one of raw material, and ratio is more relatively, and the synthetic fiber that are prepared into have energy-saving environmental-protection function: can use synthetic resin in proportion less, save petroleum resources; During as waste material or garbage loading embeading processing, degrade easily than common synthetic fiber, and the inorganic mineral back to nature, harmless to soil; If as waste material or rubbish burning disposal, sufficient combustion is little to environmental hazard easily, is difficult for sticking wall simultaneously.
B) the present invention uses inorganic mineral powder, has fully realized the feature of environmental protection of producing, and saves petroleum resources, reduces cost, and belongs to energy saving and environment friendly material.
C) the present invention prepare this polymer master batch method for meeting the three-step approach of synthetic fiber special requirement, guaranteed the performance and the quality of polymer master batch.
D) the present invention prepares the scientific and reasonable raw material of this polymer master batch employing, and it has wide range of applications, and can prepare multiple fiber, and the fiber product quality of production is good, and easily degraded is fit to large-scale promotion application, has remarkable economic efficiency and environmental protection benefit.
Description of drawings
Fig. 1 and Fig. 2 are the photo of fiber under electron microscope that polymer master batch of the present invention has been spun into.
The specific embodiment
According to parts by weight, 25～60 parts of vector resins, 40～75 parts of inorganic mineral powders, coating material consumption are 2%～2.5% of inorganic mineral powder weight; 9～10 parts of dispersants, 3.7～4.7 parts of auxiliary additives.
Wherein, the vector resin that uses can be the synthetic resin of various fibre-grades, as: polypropylene (PP), polyethylene terephthalate (PET), polytrimethylene terephthalate (PTT), polybutylene terephthalate (PBT) (PBT), nylon 6 (PA6), wait to be applied to these corresponding synthetic resin respectively.
Described inorganic mineral powder is nanoscale or submicron order; Described inorganic mineral powder is a kind of or its compound in calcite in powder, talcum powder or the bentonite, belongs to energy saving and environment friendly inorganic material.
Described coating material is one or more in stearic acid, aluminate coupling agent, isostearoyl titanate esters or the aluminium titanate esters.
Described dispersant is one or more in polyethylene, polypropylene, ethylene-vinyl acetate copolymer or the super dispersant (as the super dispersant of LicocenePP6050TP), and polyethylene, polypropylene and ethylene-vinyl acetate copolymer are low molecular weight.
Described auxiliary additive is four [β-(3.5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, three (2, the 4-di-tert-butyl-phenyl) phosphite ester, salicylic acid 4-tert-butyl group phenyl ester, PSI, N, the N-ethylene bis stearamide, zinc stearate, phosphate, calcium stearate, GLYCOLUBE P, 3,3-propane thioic acid bay alcohol ester, several in certain herbaceous plants with big flowers two dioctyl phthalates or three Compritol 888 ATOs.
According to described weight proportion, the concrete steps of preparation are:
(1) the inorganic mineral powder finishing is handled: take by weighing inorganic mineral powder, place high-speed mixer, start and stir, elevated temperature to 110 ℃ was kept 10 minutes, removed moisture; Add coating material then, stirred 10～20 minutes; The test activation grade reaches 100%, gets final product;
(2) the pre-dispersed processing of inorganic mineral powder: the inorganic mineral powder after step (1) finishing is placed kneader, add dispersant, be heated to 110～130 ℃, carry out pre-dispersed processing, 10 minutes time, the back cooling is pulverized;
(3) mix, granulation: described pre-dispersed back inorganic mineral powder is placed high-speed mixer, adds vector resin and auxiliary additive, start and stir, mixed 10 minutes, then, feed double screw extruder, plastify, mixing, extrude, granulation; The process conditions of described double screw extruder are: temperature: 160～196 ℃, and screw speed: 200～500 rev/mins.
Polymer master batch is used to spin the synthetic fiber of various forms, described synthetic fiber are staple fibre, long filament or bulked continuous filament, described utilization polymer master batch is used to spin the synthetic fiber method: after described polymer master batch and corresponding vector resin process dried, even with mechanical mixture; Be used to spin the synthetic fiber of various forms; Described fibre-grade polymer is a kind of in polypropylene, polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate (PBT) or the nylon 6.
Below be specific embodiments of the invention, further specify the present invention, but the present invention is not limited only to this.
Embodiment 1
The finishing of inorganic mineral powder is handled:
Take by weighing the calcite in powder of the D97≤3.5 μ m of 60 parts of weight portions, place high-speed mixer, start to stir, elevated temperature to 110 ℃ was kept 10 minutes, removed moisture.Add 1% stearic acid of calcite in powder weight portion then, stir after 10 minutes, add the aluminate coupling agent of same ratio again, stirred 10 minutes.The test activation grade reaches 100%, gets final product.
The pre-dispersed processing of inorganic mineral powder:
Inorganic mineral powder after the above-mentioned finishing is placed kneader, add the low-molecular-weight ethylene-vinyl acetate copolymer of 10 parts of weight portions, be heated to 110～130 ℃, carry out pre-dispersed processing, 10 minutes time, the back cooling is pulverized.
Mix, granulation:
Above-mentioned pre-dispersed inorganic mineral powder is placed high-speed mixer, the fibrous polypropylene that adds 40 parts of weight portions, 0.5 part four [β-(3.5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters and 0.5 part three (2, the 4-di-tert-butyl-phenyl) phosphite ester, 0.4 the salicylic acid 4-tert-butyl group phenyl ester of part, 1.2 parts of N, N-ethylene bis stearamide, 0.5 part PSI, 0.6 part of zinc stearate.Start to stir, mixed 10 minutes, then, feed double screw extruder, plastify, mixing, extrude, granulation.Obtain with the polypropylene is the polymer master batch of carrier.Double screw extruder process conditions: temperature: 160～196 ℃, screw speed: 200～500 rev/mins.
Perhaps:
Above-mentioned pre-dispersed inorganic mineral powder is placed high-speed mixer, the polyethylene terephthalate that adds 40 parts of weight portions, 0.3 the four [β-(3 of part, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, 0.7 three (2, the 4-di-tert-butyl-phenyl) phosphite ester of part, 0.08 part phosphate, 0.8 the calcium stearate of part, 2.5 parts GLYCOLUBEP.Start to stir, mixed 10 minutes, then, feed double screw extruder, plastify, mixing, extrude, granulation.Obtain with PET is the polymer master batch of carrier.Double screw extruder process conditions: temperature: 260～280 ℃, screw speed: 200～500 rev/mins.
Perhaps:
Above-mentioned pre-dispersed inorganic mineral powder is placed high-speed mixer, the polybutylene terephthalate (PBT) that adds weight portion 40,0.5 the four [β-(3 of part, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, three (2, the 4-di-tert-butyl-phenyl) phosphite ester of 0.5 part, 1.2 the calcium stearate of part, 1.5 the Glycolube P that divides, 1.0 parts N, the two stearates of N-ethylene.Start to stir, mixed 10 minutes, then, feed double screw extruder, plastify, mixing, extrude, granulation.Obtain with PBT is the polymer master batch of carrier.Double screw extruder process conditions: temperature: 230～250 ℃, rotating speed: 200～500 rev/mins.
Perhaps:
Above-mentioned pre-dispersed inorganic mineral powder is placed high-speed mixer, the nylon 6 that adds weight portion 40,0.8 3 of part, 3-propane thioic acid bay alcohol ester, 0.5 part β (the 3-tert-butyl group-5-methyl-4-hydroxy phenyl) propionic acid fruit is triethyleneglycol ester very, 1.0 part zinc stearate, 0.8 part certain herbaceous plants with big flowers two dioctyl phthalates, 0.6 part of three Compritol 888 ATO.Start and stir, mixed 10 minutes.Then, the feeding double screw extruder, plastify, mixing, extrude, granulation.Obtaining with nylon 6 is the polymer master batch of carrier.Double screw extruder process conditions: temperature: 200～240 ℃, rotating speed: 200～500 rev/mins.
Embodiment 2
Take by weighing the calcite in powder of the D97≤4.5 μ m of 60 parts of weight portions, place high-speed mixer, start to stir, elevated temperature to 110 ℃ was kept 10 minutes, removed moisture.The stearic acid that adds calcite in powder weight portion 0.5% then stirred after 5 minutes, added 2% isostearoyl titanate esters again, stirred 10 minutes.The test activation grade reaches 100%.Get final product.
Inorganic mineral powder after the above-mentioned finishing is placed kneader, add the low molecular weight polyethylene of 3 parts of weight portions and 7 parts low-molecular-weight polypropylene, be heated to 110～120 ℃, carry out pre-dispersed processing, 10 minutes time, the back cooling is pulverized.
Mix, granulation:
Above-mentioned pre-dispersed inorganic mineral powder is placed high-speed mixer, the fibrous polypropylene that adds 40 parts of weight portions, 0.5 part four [β-(3.5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters and 0.5 part three (2, the 4-di-tert-butyl-phenyl) phosphite ester, 0.4 the salicylic acid 4-tert-butyl group phenyl ester of part, 1.2 parts of N, N-ethylene bis stearamide, 0.5 part PSI, 0.6 part of zinc stearate.Start to stir, mixed 10 minutes, then, feed double screw extruder, plastify, mixing, extrude, granulation.Obtain with the polypropylene is the polymer master batch of carrier.Double screw extruder process conditions: temperature: 160～196 ℃, screw speed: 200～500 rev/mins.
Perhaps:
Above-mentioned pre-dispersed inorganic mineral powder is placed high-speed mixer, the polyethylene terephthalate that adds 40 parts of weight portions, 0.3 the four [β-(3 of part, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, 0.7 three (2, the 4-di-tert-butyl-phenyl) phosphite ester of part, 0.08 part phosphate, 0.8 the calcium stearate of part, 2.5 parts GLYCOLUBE P.Start to stir, mixed 10 minutes, then, feed double screw extruder, plastify, mixing, extrude, granulation.Obtain with PET is the polymer master batch of carrier.Double screw extruder process conditions: temperature: 260～280 ℃, screw speed: 200～500 rev/mins.
Perhaps:
Above-mentioned pre-dispersed inorganic mineral powder is placed high-speed mixer, the polybutylene terephthalate (PBT) that adds weight portion 40,0.5 the four [β-(3 of part, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, three (2, the 4-di-tert-butyl-phenyl) phosphite ester of 0.5 part, 1.2 the calcium stearate of part, 1.5 the Glycolube P that divides, 1.0 parts N, the two stearates of N-ethylene.Start to stir, mixed 10 minutes, then, feed double screw extruder, plastify, mixing, extrude, granulation.Obtain with PBT is the polymer master batch of carrier.Double screw extruder process conditions: temperature: 230～250 ℃, rotating speed: 200～500 rev/mins.
Perhaps:
Above-mentioned pre-dispersed inorganic mineral powder is placed high-speed mixer, the nylon 6 that adds weight portion 40,0.8 3 of part, 3-propane thioic acid bay alcohol ester, 0.5 part β (the 3-tert-butyl group-5-methyl-4-hydroxy phenyl) propionic acid fruit is triethyleneglycol ester very, 1.0 part zinc stearate, 0.8 part certain herbaceous plants with big flowers two dioctyl phthalates, 0.6 part of three Compritol 888 ATO.Start and stir, mixed 10 minutes.Then, the feeding double screw extruder, plastify, mixing, extrude, granulation.Obtaining with nylon 6 is the polymer master batch of carrier.Double screw extruder process conditions: temperature: 200～240 ℃, rotating speed: 200～500 rev/mins.
Embodiment 3
Take by weighing the nano level calcite in powder of 15 parts of the calcite in powder of D97≤5.5 μ m of 45 parts of weight portions and weight portions, place high-speed mixer, start and stir, elevated temperature to 110 ℃ was kept 10 minutes, removed moisture.Add 2.5% isostearoyl titanate esters then, stirred 15 minutes.The test activation grade reaches 100%, gets final product.
Inorganic mineral powder after the above-mentioned finishing is placed kneader, add the super dispersant of Licocene PP6050TP of 9 parts of weight portions, be heated to 120～130 ℃, carry out pre-dispersed processing, 10 minutes time, the back cooling is pulverized.
Above-mentioned pre-dispersed inorganic mineral powder is placed high-speed mixer, the fibrous polypropylene that adds 40 parts of weight portions, 0.5 part four [β-(3.5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters and 0.5 part three (2, the 4-di-tert-butyl-phenyl) phosphite ester, 0.4 the salicylic acid 4-tert-butyl group phenyl ester of part, 1.2 parts of N, N-ethylene bis stearamide, 0.5 part PSI, 0.6 part of zinc stearate.Start to stir, mixed 10 minutes, then, feed double screw extruder, plastify, mixing, extrude, granulation.Obtain with the polypropylene is the polymer master batch of carrier.Double screw extruder process conditions: temperature: 160～196 ℃, screw speed: 200～500 rev/mins.
Perhaps:
Above-mentioned pre-dispersed inorganic mineral powder is placed high-speed mixer, the polyethylene terephthalate that adds 40 parts of weight portions, 0.3 the four [β-(3 of part, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, 0.7 three (2, the 4-di-tert-butyl-phenyl) phosphite ester of part, 0.08 part phosphate, 0.8 the calcium stearate of part, 2.5 parts GLYCOLUBE P.Start to stir, mixed 10 minutes, then, feed double screw extruder, plastify, mixing, extrude, granulation.Obtain with PET is the polymer master batch of carrier.Double screw extruder process conditions: temperature: 260～280 ℃, screw speed: 200～500 rev/mins.
Perhaps:
Above-mentioned pre-dispersed inorganic mineral powder is placed high-speed mixer, the polybutylene terephthalate (PBT) that adds weight portion 40,0.5 the four [β-(3 of part, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, three (2, the 4-di-tert-butyl-phenyl) phosphite ester of 0.5 part, 1.2 the calcium stearate of part, 1.5 the Glycolube P that divides, 1.0 parts N, the two stearates of N-ethylene.Start to stir, mixed 10 minutes, then, feed double screw extruder, plastify, mixing, extrude, granulation.Obtain with PBT is the polymer master batch of carrier.Double screw extruder process conditions: temperature: 230～250 ℃, rotating speed: 200～500 rev/mins.
Perhaps:
Above-mentioned pre-dispersed inorganic mineral powder is placed high-speed mixer, the nylon 6 that adds weight portion 40,0.8 3 of part, 3-propane thioic acid bay alcohol ester, 0.5 part β (the 3-tert-butyl group-5-methyl-4-hydroxy phenyl) propionic acid fruit is triethyleneglycol ester very, 1.0 part zinc stearate, 0.8 part certain herbaceous plants with big flowers two dioctyl phthalates, 0.6 part of three Compritol 888 ATO.Start and stir, mixed 10 minutes.Then, the feeding double screw extruder, plastify, mixing, extrude, granulation.Obtaining with nylon 6 is the polymer master batch of carrier.Double screw extruder process conditions: temperature: 200～240 ℃, rotating speed: 200～500 rev/mins.
Embodiment 4
Take by weighing the nano level talcum powder of 10 parts of the calcite in powder of D97≤6.5 μ m of 50 parts of weight portions and weight portions, place high-speed mixer, start to stir, elevated temperature to 110 ℃ was kept 10 minutes, remove moisture, add 2.5% aluminium titanate esters then, stirred 15 minutes, the test activation grade, reach 100%, both can.
Inorganic mineral powder after the above-mentioned finishing is placed kneader, add the super dispersant of Licocene PP6050TP of 9 parts of weight portions, be heated to 120～130 ℃, carry out pre-dispersed processing, 10 minutes time, the back cooling is pulverized.
Above-mentioned pre-dispersed inorganic mineral powder is placed high-speed mixer, the fibrous polypropylene that adds 40 parts of weight portions, 0.5 part four [β-(3.5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters and 0.5 part three (2, the 4-di-tert-butyl-phenyl) phosphite ester, 0.4 the salicylic acid 4-tert-butyl group phenyl ester of part, 1.2 parts of N, N-ethylene bis stearamide, 0.5 part PSI, 0.6 part of zinc stearate.Start to stir, mixed 10 minutes, then, feed double screw extruder, plastify, mixing, extrude, granulation.Obtain with the polypropylene is the polymer master batch of carrier.Double screw extruder process conditions: temperature: 160～196 ℃, screw speed: 200～500 rev/mins.
Perhaps:
Above-mentioned pre-dispersed inorganic mineral powder is placed high-speed mixer, the polyethylene terephthalate that adds 40 parts of weight portions, 0.3 the four [β-(3 of part, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, 0.7 three (2, the 4-di-tert-butyl-phenyl) phosphite ester of part, 0.08 part phosphate, 0.8 the calcium stearate of part, 2.5 parts GLYCOLUBE P.Start to stir, mixed 10 minutes, then, feed double screw extruder, plastify, mixing, extrude, granulation.Obtain with PET is the polymer master batch of carrier.Double screw extruder process conditions: temperature: 260～280 ℃, screw speed: 200～500 rev/mins.
Perhaps:
Above-mentioned pre-dispersed inorganic mineral powder is placed high-speed mixer, the polybutylene terephthalate (PBT) that adds weight portion 40,0.5 the four [β-(3 of part, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, three (2, the 4-di-tert-butyl-phenyl) phosphite ester of 0.5 part, 1.2 the calcium stearate of part, 1.5 the Glycolube P that divides, 1.0 parts N, the two stearates of N-ethylene.Start to stir, mixed 10 minutes, then, feed double screw extruder, plastify, mixing, extrude, granulation.Obtain with PBT is the polymer master batch of carrier.Double screw extruder process conditions: temperature: 230～250 ℃, rotating speed: 200～500 rev/mins.
Perhaps:
Above-mentioned pre-dispersed inorganic mineral powder is placed high-speed mixer, the nylon 6 that adds weight portion 40,0.8 3 of part, 3-propane thioic acid bay alcohol ester, 0.5 part β (the 3-tert-butyl group-5-methyl-4-hydroxy phenyl) propionic acid fruit is triethyleneglycol ester very, 1.0 part zinc stearate, 0.8 part certain herbaceous plants with big flowers two dioctyl phthalates, 0.6 part of three Compritol 888 ATO.Start and stir, mixed 10 minutes.Then, the feeding double screw extruder, plastify, mixing, extrude, granulation.Obtaining with nylon 6 is the polymer master batch of carrier.Double screw extruder process conditions: temperature: 200～240 ℃, rotating speed: 200～500 rev/mins.
Melt-spun embodiment:
With above-mentioned polymer master batch and corresponding 95～75 parts synthetic resin in 5～35 parts of weight portions, through dried, in batch mixer, mix after 30 minutes, be used at corresponding technology and equipment, the synthetic fiber of the various forms of melt-spun.
As Fig. 1,2, be that this polymer master batch has been spun into fiber, the photo under electron microscope.
The present invention uses inorganic particle modification high polymer, production environment close friend's material, this is not only merely in order to reduce cost, but be engaged in a protection environment, economize on resources, benefit the society, shade and descendants's great cause.
Claims (8)
1. the preparation method of the polymer master batch that a dispersive property is good, it is characterized in that: the raw material of described polymer master batch comprises polymer, inorganic mineral powder, coating material, dispersant and auxiliary additive, the consumption of described raw material is: according to parts by weight, 25～60 parts of vector resins, 40～75 parts of inorganic mineral powders, coating material consumption are 2%～2.5% of inorganic mineral powder weight; 9～10 parts of dispersants; 3.7～4.7 parts of auxiliary additives; Described dispersant is one or more in polyethylene, polypropylene, ethylene-vinyl acetate copolymer or the super dispersant; Described auxiliary additive is four [β-(3.5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, three (2, the 4-di-tert-butyl-phenyl) phosphite ester, salicylic acid 4-tert-butyl group phenyl ester, PSI, N, the N-ethylene bis stearamide, zinc stearate, phosphate, calcium stearate, GLYCOLUBE P, 3,3-propane thioic acid bay alcohol ester, several in certain herbaceous plants with big flowers two dioctyl phthalates or three Compritol 888 ATOs;
Described preparation method comprises: the inorganic mineral powder finishing is handled, and the pre-dispersed processing of inorganic mineral powder is mixed, and granulation is prepared into polymer master batch; According to described weight proportion, the concrete steps of preparation are:
(1) the inorganic mineral powder finishing is handled: take by weighing inorganic mineral powder, place high-speed mixer, start and stir, elevated temperature to 110 ℃ was kept 10 minutes, removed moisture; Add coating material then, stirred 10～20 minutes; The test activation grade reaches 100%, gets final product;
(2) the pre-dispersed processing of inorganic mineral powder: the inorganic mineral powder after step (1) finishing is placed kneader, add dispersant, be heated to 110～130 ℃, carry out pre-dispersed processing, 10 minutes time, the back cooling is pulverized;
(3) mix, granulation: described pre-dispersed back inorganic mineral powder is placed high-speed mixer, adds vector resin and auxiliary additive, start and stir, mixed 10 minutes, then, feed double screw extruder, plastify, mixing, extrude, granulation; The process conditions of described double screw extruder are: temperature: 160～196 ℃, and screw speed: 200～500 rev/mins.
2. the preparation method of the polymer master batch that dispersive property according to claim 1 is good, it is characterized in that: described vector resin is the fibre-grade polymer, and described fibre-grade polymer is a kind of in polypropylene, polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate (PBT) or the nylon 6.
3. the preparation method of the polymer master batch that dispersive property according to claim 1 is good is characterized in that: described inorganic mineral powder is nanoscale or submicron order; Described inorganic mineral powder is a kind of or its compound in calcite in powder, the talcum powder.
4. the preparation method of the polymer master batch that dispersive property according to claim 1 is good is characterized in that: described coating material is one or more in stearic acid, aluminate coupling agent, isostearoyl titanate esters or the aluminium titanate esters.
5. the preparation method of the polymer master batch that dispersive property according to claim 1 is good is characterized in that: described polyethylene, polypropylene and ethylene-vinyl acetate copolymer are low molecular weight.
6. application as the good polymer master batch of the dispersive property of claim 1 preparation, it is characterized in that: described polymer master batch is used to spin the synthetic fiber of various forms.
7. the application of the polymer master batch that dispersive property according to claim 6 is good, it is characterized in that: described synthetic fiber are staple fibre or long filament, described utilization polymer master batch is used to spin the synthetic fiber method: after described polymer master batch and corresponding vector resin process dried, even with mechanical mixture; Be used to spin the synthetic fiber of various forms; Described fibre-grade polymer is a kind of in polypropylene, polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate (PBT) or the nylon 6.
8. the application of the polymer master batch that dispersive property according to claim 7 is good is characterized in that: described synthetic fiber are bulked continuous filament.
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| CN102251315B (en) * | 2011-08-12 | 2013-08-21 | 江门市新会区新华胶丝厂 | Method for preparing novel wear-resisting polyester monofilaments for papermaking net |
| CN102504394B (en) * | 2011-11-16 | 2013-10-30 | 和昌（广西）化工有限公司 | Production method of filled masterbatch formed through plasticization |
| CN106319669A (en) * | 2016-08-08 | 2017-01-11 | 福建锦江科技有限公司 | Polyamide6 fiber and preparing method thereof |
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