CN102807708B - Aedelforsite powder modified filling master batch applied to flat silks and method for producing flat silks - Google Patents
Aedelforsite powder modified filling master batch applied to flat silks and method for producing flat silks Download PDFInfo
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- CN102807708B CN102807708B CN201210318005.XA CN201210318005A CN102807708B CN 102807708 B CN102807708 B CN 102807708B CN 201210318005 A CN201210318005 A CN 201210318005A CN 102807708 B CN102807708 B CN 102807708B
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Abstract
The invention relates to the technical field of high-polymer compound materials for producing flat silks, in particular to an aedelforsite powder modified filling master batch applied to flat silks and a method for producing flat silks. A formula comprises 50-70 parts of aedelforsite powder of 1,600-2,500 meshes, 1-2 parts of an activating agent, 1-5 parts of a dispersing agent and 2-5 parts of a lubricating agent. According to the flat silks produced by using the aedelforsite powder modified filling master batch, the tensile strength and bending strength of the flat silks can be improved remarkably, the quality of a flat silk product is greatly improved, and the production cost of raw materials is lowered.
Description
Technical field
The present invention relates to produce the technical field of polymer composite materials of flat filament, particularly a kind of method of wollastonite powder modified filler masterbatch for flat filament and production flat filament thereof.
Background technology
Flat filament is the basic material of producing plastic braid, mainly adopts the macromolecular material such as polypropylene, polyvinyl resin to form through specific processes.In prior art, in order to reduce Flat Yarn Production cost and to improve the performance of macromolecular material, conventionally select to add calcium carbonate and talcous inorganic mineral as filling master batch, but the chemical composition of above-mentioned inorganic mineral filler, crystalline structure and particle shape etc. determine its filling properties, due to the material of calcium carbonate in pelletized form, talcous material in the form of sheets, if adding proportion is improper, can reduce the tensile strength of flat filament.Along with the development of macromolecular material, advanced composite material not only requires filler to have increment and reduces effect of material cost, also needs to have the function of reinforcement and enhancing.
Wollastonite powder is a kind of inorganic needle-like mineral, because it is nontoxic, resistance to chemical attack, thermostability and dimensional stability is good, mechanical property and electrical property good and there is the advantages such as strengthening action, particularly there is the feature of high length-diameter ratio, can be used as enhancement function material and be applied to the reinforcing filler of plastics.But, the main component of flat filament is polypropylene and polyethylene, and wollastonite powder has hydrophilic oleophobic property, when wollastonite powder is filled into wherein with powder type, can cause the two intermiscibility poor, incomplete mixing, can not carry out effective high density filling, do not reach and improve flat filament quality, improve the object of flat filament product performance yet.
Summary of the invention
One of object of the present invention is to overcome weak point of the prior art and provides a kind of dispersiveness and filling properties is good, cost-saving, the wollastonite powder modified filler masterbatch for flat filament that can improve flat filament product performance.
Two of object of the present invention is to overcome weak point of the prior art, provides a kind of above-mentioned wollastonite powder modified filler masterbatch to produce the method for flat filament.
Object of the present invention is realized by following technical measures:
A kind of wollastonite powder modified filler masterbatch for flat filament is provided, and described wollastonite powder modified filler masterbatch forms through twin screw extruder extruding pelletization after being mixed according to following weight percent by polypropylene carrier and masterbatch:
Masterbatch 35～45%;
Polypropylene carrier 55～65%;
Wherein, described masterbatch is made up of the raw material of following weight part:
1600 50～70 parts of order～2500 object wollastonite powder;
1～2 part, activator;
1～5 part of dispersion agent;
2～5 parts of lubricants;
Described activator is any one or more than one the mixture in silane coupling agent, stearic acid, polyoxyethylene glycol and high fatty alcohol Soxylat A 25-7.
Wherein, described masterbatch is made up of the raw material of following weight part:
1600 60 parts of order～2500 object wollastonite powder;
1.5 parts of silane coupling agents;
1.5 parts of dispersion agents;
2 parts of lubricants.
Wherein, described masterbatch is made up of the raw material of following weight part:
1600 70 parts of order～2500 object wollastonite powder;
2 parts of silane coupling agents;
3 parts of dispersion agents;
3.5 parts of lubricants.
Wherein, described dispersion agent is end amino polybasic alcohol ester.
Wherein, described lubricant is Poly Propylene Wax.
The effect of the each material component of above-mentioned formula is as follows:
Wollastonite powder: select 1600 order～2500 orders comparatively suitable, wollastonite powder must disperse activation parcel to handle well, occurs otherwise have dust in the time drawing flat filament.
Activator: select and the wollastonite powder silane coupling agent mixing of the same race, for activated wollastonite powder, improve the activity on its surface.
Dispersion agent: select end amino polybasic alcohol ester, for coated Si limestone flour, improve the dispersiveness of powder in plastics, also further prevent superfine powder particle " reunion " simultaneously.
Lubricant: select Poly Propylene Wax, for improving the slip of powder particle, be conducive to powder particle with macromolecular chain draw orientation.
the method that the present invention also provides above-mentioned wollastonite powder modified filler masterbatch to produce flat filament,comprise the following steps:
1) prepare masterbatch
1. in stirrer, add wollastonite powder by formula ratio, high-speed stirring 10～20 minutes, 100 DEG C of constant temperature;
2. add dispersion agent by formula ratio, stir 5～10 minutes;
3. add activator to stir 20～40 minutes by formula ratio, temperature is controlled in 120 DEG C;
4. add lubricant to stir 5～10 minutes by formula ratio, temperature is controlled in 120 DEG C, and final drying is down to after room temperature, obtains masterbatch;
2) prepare wollastonite powder modified filler masterbatch
Masterbatch and polypropylene carrier that step 1) is obtained are added to twin screw extruder by formula ratio, masterbatch is added by the side opening place of twin screw extruder, polypropylene is entered by the major ingredient mouth of twin screw extruder, after mixing, through extruding pelletization, obtains wollastonite powder modified filler masterbatch;
3) produce flat filament
1. by step 2) obtain wollastonite powder modified filler masterbatch and mix according to following weight percent with polypropylene:
Wollastonite powder modified filler masterbatch 20～35%;
Polypropylene 65～80%;
2. after stirring, mixture is put into drawing wire machine, and to control drawing wire machine temperature be 200～260 DEG C, 50～130 revs/min of screw speeds, ratio of drawing 3～6, be processed into flat filament.
beneficial effect of the present invention:
The present invention adopts wollastonite powder and carries out modification and the wollastonite powder modified filler masterbatch that obtains, because wollastonite powder has good stability, the advantages such as mechanical property and electrical property are good, particularly there is the feature of high length-diameter ratio, wollastonite powder is after surface modification treatment, can improve its dispersiveness and intermiscibility in polymeric system, strengthen its strengthening action, with employing calcium carbonate, the flat filament that talcum powder or mica powder are produced as filling master batch is compared, under loading level the same terms, the present invention can obviously improve tensile strength and the flexural strength of flat filament, greatly improve the quality of flat filament product, and reduce the production cost of raw material.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
embodiment 1
For the wollastonite powder modified filler masterbatch of flat filament, after being mixed according to following weight percent by polypropylene carrier and masterbatch, form through twin screw extruder extruding pelletization:
Masterbatch 35%;
Polypropylene carrier 65%;
Wherein, masterbatch is made up of the raw material of following weight part:
1600 50 parts of order～2500 object wollastonite powder;
1 part, activator;
1.5 parts of dispersion agents;
2 parts of lubricants;
Activator is any one or more than one the mixture in silane coupling agent, stearic acid, polyoxyethylene glycol and high fatty alcohol Soxylat A 25-7.
The effect of the each material component of above-mentioned formula is as follows:
Wollastonite powder: select 1600 order～2500 orders comparatively suitable, wollastonite powder must disperse activation parcel to handle well, occurs otherwise have dust in the time drawing flat filament.
Activator: select and the wollastonite powder silane coupling agent mixing of the same race, for activated wollastonite powder, improve the activity on its surface, the consumption of silane coupling agent is relevant with specific surface area and the globule size of the fraction of coverage of requirement and powder; Process wollastonite with silane coupling agent, can greatly improve the intermiscibility of itself and polyacrylic polymer carrier, strengthen filling effect, but because silane coupling agent price is more expensive, therefore, under some application conditions, available more cheap tensio-active agent, as stearic acid, polyoxyethylene glycol, high fatty alcohol Soxylat A 25-7, these tensio-active agents are by polar group and the effect of wollastonite particle surface, adsorb and be covered in particle surface, making wollastonite particles hydrophobic oleophylic.
Wherein, show with the test that stearic acid carries out, when stearic acid dosage 1.0%, hard acid ester reaches 77.43% in the fraction of coverage on wollastonite powder surface, and surface becomes hydrophobicity from wetting ability.
Dispersion agent: select end amino polybasic alcohol ester, for coated Si limestone flour, improve the dispersiveness of powder in plastics, also further prevent superfine powder particle " reunion " simultaneously.
Lubricant: select Poly Propylene Wax, for improving the slip of powder particle, be conducive to powder particle with macromolecular chain draw orientation.
embodiment 2
The main technical schemes of the present embodiment is identical with embodiment's 1, and its difference is:
For the wollastonite powder modified filler masterbatch of flat filament, after being mixed according to following weight percent by polypropylene carrier and masterbatch, form through twin screw extruder extruding pelletization:
Masterbatch 40%;
Polypropylene carrier 60%;
Masterbatch is made up of the raw material of following weight part:
1600 60 parts of order～2500 object wollastonite powder;
1.5 parts of silane coupling agents;
1.5 parts of dispersion agents;
2 parts of lubricants.
embodiment 3
The main technical schemes of the present embodiment is identical with embodiment's 1, and its difference is:
For the wollastonite powder modified filler masterbatch of flat filament, after being mixed according to following weight percent by polypropylene carrier and masterbatch, form through twin screw extruder extruding pelletization:
Masterbatch 45%;
Polypropylene carrier 55%;
Wherein, masterbatch is made up of the raw material of following weight part:
1600 70 parts of order～2500 object wollastonite powder;
2 parts of silane coupling agents;
3 parts of dispersion agents;
3.5 parts of lubricants.
embodiment 4
Wollastonite powder modified filler masterbatch is produced a method for flat filament, comprises the following steps:
1) prepare masterbatch
1. in stirrer, add wollastonite powder by formula ratio, high-speed stirring 10～20 minutes, 100 DEG C of constant temperature;
2. add dispersion agent by formula ratio, stir 5～10 minutes;
3. add activator to stir 20～40 minutes by formula ratio, temperature is controlled in 120 DEG C;
4. add lubricant to stir 5～10 minutes by formula ratio, temperature is controlled in 120 DEG C, and final drying is down to after room temperature, obtains masterbatch;
2) prepare wollastonite powder modified filler masterbatch
Masterbatch and polypropylene carrier that step 1) is obtained are added to twin screw extruder by formula ratio, masterbatch is added by the side opening place of twin screw extruder, polypropylene is entered by the major ingredient mouth of twin screw extruder, after mixing, through extruding pelletization, obtains wollastonite powder modified filler masterbatch;
3) produce flat filament
1. by step 2) obtain wollastonite powder modified filler masterbatch and mix according to following weight percent with polypropylene:
Wollastonite powder modified filler masterbatch 20～35%;
Polypropylene 65～80%;
2. after stirring, mixture is put into drawing wire machine, and to control drawing wire machine temperature be 200～260 DEG C, 50～130 revs/min of screw speeds, ratio of drawing 3～6, be processed into flat filament.
Above-mentioned formula and consumption thereof adopt formula and the consumption of embodiment 1 to embodiment 3.
After modification wollastonite powder modified filler masterbatch, can improve dispersiveness and the intermiscibility of wollastonite powder in polymeric system, strengthen its strengthening action, compared with the flat filament that adopts calcium carbonate, talcum powder or mica powder to produce as filling master batch, under loading level the same terms, tensile strength and elongation at break can improve 15～30%, greatly improve the quality of flat filament product, and have reduced the production cost of raw material.
Finally should be noted that; above embodiment is only in order to illustrate technical scheme of the present invention; but not limiting the scope of the invention; although the present invention has been done to explain with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify or be equal to replacement technical scheme of the present invention, and not depart from essence and the scope of technical solution of the present invention.
Claims (5)
1. for the wollastonite powder modified filler masterbatch of flat filament, it is characterized in that: described wollastonite powder modified filler masterbatch forms through twin screw extruder extruding pelletization after being mixed according to following weight percent by polypropylene carrier and masterbatch:
Masterbatch 35～45%;
Polypropylene carrier 55～65%;
Wherein, described masterbatch is made up of the raw material of following weight part:
1600 50～70 parts of order～2500 object wollastonite powder;
1～2 part, activator;
1～5 part of dispersion agent;
2～5 parts of lubricants;
Described activator is any one or more than one the mixture in silane coupling agent, stearic acid, polyoxyethylene glycol and high fatty alcohol Soxylat A 25-7;
Described dispersion agent is end amino polybasic alcohol ester.
2. the wollastonite powder modified filler masterbatch for flat filament according to claim 1, is characterized in that: described masterbatch is made up of the raw material of following weight part:
1600 60 parts of order～2500 object wollastonite powder;
1.5 parts of silane coupling agents;
1.5 parts of dispersion agents;
2 parts of lubricants.
3. the wollastonite powder modified filler masterbatch for flat filament according to claim 1, is characterized in that: described masterbatch is made up of the raw material of following weight part:
1600 70 parts of order～2500 object wollastonite powder;
2 parts of silane coupling agents;
3 parts of dispersion agents;
3.5 parts of lubricants.
4. according to the wollastonite powder modified filler masterbatch for flat filament described in claims 1 to 3 any one, it is characterized in that: described lubricant is Poly Propylene Wax.
5. wollastonite powder modified filler masterbatch as claimed in claim 1 is produced a method for flat filament, it is characterized in that: comprise the following steps:
1) prepare masterbatch
1. in stirrer, add wollastonite powder by formula ratio, high-speed stirring 10～20 minutes, 100 DEG C of constant temperature;
2. add dispersion agent by formula ratio, stir 5～10 minutes;
3. add activator to stir 20～40 minutes by formula ratio, temperature is controlled in 120 DEG C;
4. add lubricant to stir 5～10 minutes by formula ratio, temperature is controlled in 120 DEG C, and final drying is down to after room temperature, obtains masterbatch;
2) prepare wollastonite powder modified filler masterbatch
Masterbatch and polypropylene carrier that step 1) is obtained are added to twin screw extruder by formula ratio, masterbatch is added by the side opening place of twin screw extruder, polypropylene is entered by the major ingredient mouth of twin screw extruder, after mixing, through extruding pelletization, obtains wollastonite powder modified filler masterbatch;
3) produce flat filament
1. by step 2) obtain wollastonite powder modified filler masterbatch and mix according to following weight percent with polypropylene:
Wollastonite powder modified filler masterbatch 20～35%;
Polypropylene 65～80%;
2. after stirring, mixture is put into drawing wire machine, and to control drawing wire machine temperature be 200～260 DEG C, 50～130 revs/min of screw speeds, ratio of drawing 3～6, be processed into flat filament.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210318005.XA CN102807708B (en) | 2012-08-31 | 2012-08-31 | Aedelforsite powder modified filling master batch applied to flat silks and method for producing flat silks |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210318005.XA CN102807708B (en) | 2012-08-31 | 2012-08-31 | Aedelforsite powder modified filling master batch applied to flat silks and method for producing flat silks |
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| CN102807708B true CN102807708B (en) | 2014-08-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105017706B (en) * | 2015-06-30 | 2017-05-24 | 中山市鸿盛塑料色母有限公司 | Flat filament special-purpose filling master batch, and preparation method thereof |
| CN106893201A (en) * | 2017-03-16 | 2017-06-27 | 广东圆融新材料有限公司 | A kind of modified polypropylene material with high adhesion force and preparation method thereof |
| CN108359173A (en) * | 2018-01-19 | 2018-08-03 | 江西亚美达科技有限公司 | Polypropylene high-filled modified Flat Yarn Production PP Pipe Compound of one kind and preparation method thereof |
| CN110483815A (en) * | 2019-08-28 | 2019-11-22 | 广州禾工材料科技有限公司 | Application of the polyethylene glycol as active constituent on functional agglomerate |
| CN111303487A (en) * | 2020-03-26 | 2020-06-19 | 南昌大学 | Modified wollastonite and preparation method and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1043150A (en) * | 1988-12-06 | 1990-06-20 | 张春芳 | The preparation method of wollastonite packing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1043150A (en) * | 1988-12-06 | 1990-06-20 | 张春芳 | The preparation method of wollastonite packing |
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Address after: 525000 Guangdong Zhonghe Plastics Co., Ltd. 28 Guanghua North Road, Guangdong, Maoming Patentee after: Guangdong Zhonghe Plastic Co., Ltd. Address before: 525000 Guangdong Zhonghe Plastics Co., Ltd. 28 Guanghua North Road, Guangdong, Maoming Patentee before: Guangdong Sunion Chemical & Plastic Co., Ltd. |