CN103467937B - Inhale ripple radiation proof function master batch and preparation method thereof - Google Patents
Inhale ripple radiation proof function master batch and preparation method thereof Download PDFInfo
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- CN103467937B CN103467937B CN201310433200.1A CN201310433200A CN103467937B CN 103467937 B CN103467937 B CN 103467937B CN 201310433200 A CN201310433200 A CN 201310433200A CN 103467937 B CN103467937 B CN 103467937B
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- 239000004594 Masterbatch (MB) Substances 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 230000005855 radiation Effects 0.000 title abstract description 10
- 239000000843 powder Substances 0.000 claims abstract description 53
- 239000011347 resin Substances 0.000 claims abstract description 40
- 229920005989 resin Polymers 0.000 claims abstract description 40
- 229920001410 Microfiber Polymers 0.000 claims abstract description 30
- 239000003658 microfiber Substances 0.000 claims abstract description 30
- 230000004048 modification Effects 0.000 claims abstract description 16
- 238000012986 modification Methods 0.000 claims abstract description 16
- 239000000835 fiber Substances 0.000 claims abstract description 15
- 238000002156 mixing Methods 0.000 claims abstract description 14
- 238000001125 extrusion Methods 0.000 claims abstract description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 16
- 239000002245 particle Substances 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 15
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 10
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 239000004408 titanium dioxide Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000003607 modifier Substances 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 229910000403 monosodium phosphate Inorganic materials 0.000 claims description 4
- 235000019799 monosodium phosphate Nutrition 0.000 claims description 4
- -1 polyethylene Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical group [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims description 3
- 238000003801 milling Methods 0.000 claims 1
- 239000011159 matrix material Substances 0.000 abstract description 9
- 239000013538 functional additive Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 239000002994 raw material Substances 0.000 abstract description 4
- 230000004223 radioprotective effect Effects 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 6
- 238000000227 grinding Methods 0.000 description 6
- 230000003068 static effect Effects 0.000 description 6
- 239000002585 base Substances 0.000 description 5
- 239000011148 porous material Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000004753 textile Substances 0.000 description 4
- 239000011324 bead Substances 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005325 percolation Methods 0.000 description 1
- 239000012756 surface treatment agent Substances 0.000 description 1
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Abstract
The invention discloses a kind of suction ripple radiation proof function master batch, obtained by blending extrusion mode by resin matrix and functional additive; The raw material of described resin matrix is that resin slicer shunts the resin powder obtained step by step through levigation method; Described functional additive is that described functional additive is dispersed in resin matrix through the conductive microfiber of surface modification treatment, whisker and conductive powder body.The invention also discloses the preparation method inhaling ripple radiation proof function master batch.Suction ripple radiation proof function master batch provided by the invention and preparation method thereof, gained functional agglomerate has high conductivity, and the fiber adopting this functional agglomerate to prepare has the function of antistatic, radioprotective and suction ripple.
Description
Technical Field
The invention relates to the technical field of textile materials, in particular to a wave-absorbing radiation-proof functional master batch and a preparation method thereof.
Background
Functional textiles are development hotspots in the field of textile at present, new requirements are provided for modern textiles along with improvement of living standard and improvement of living quality of people, traditional raw materials cannot meet requirements of people for health care and safety, some fabrics with special functions are urgently needed to be researched and developed, and correspondingly new requirements are provided for some fibers with special functions and previous technologies of the fibers.
Disclosure of Invention
The invention aims to provide a wave-absorbing radiation-proof functional master batch and a preparation method thereof, the obtained functional master batch has high conductivity, and fibers prepared from the functional master batch have the functions of static resistance, radiation protection and wave absorption.
In order to achieve the purpose, the technical scheme of the invention is to design a master batch with wave-absorbing and radiation-proof functions, which is prepared by a resin matrix and a functional additive in a blending and extrusion mode; the raw material of the resin matrix is resin powder obtained by dividing resin slices step by step through a water grinding method; the functional additives are conductive microfibers, whiskers and conductive powder subjected to surface modification treatment, and are uniformly dispersed in the resin matrix.
Preferably, the particle diameter of the resin powder is 15-40 μm.
Preferably, the surface treatment agent used for the surface modification treatment is a silane coupling agent, the surface modification treatment method is to place the conductive microfiber, the whisker and the conductive powder into a stirring container containing the silane coupling agent for stirring, the aspect ratio of the processed microfiber and the whisker is 20: 1-40: 1, and the particle diameter of the conductive powder is 0.5-3 μm.
Preferably, the resin slices are PET slices, PP slices, PA slices or PBT slices.
Preferably, the conductive micro-fiber is a conductive steel fiber.
Preferably, the whiskers are conductive titanium dioxide whiskers or conductive calcium carbonate whiskers.
Preferably, the conductive powder is conductive titanium dioxide powder or conductive carbon black.
The invention also provides a preparation method of the wave-absorbing radiation-proof functional master batch, which comprises the following steps:
1) preparing resin powder: the resin slices are divided step by a water grinding method to prepare resin powder with the particle diameter of 15-40 mu m, wherein the step by step division is that the resin powder ground by the water grinding is automatically filtered by sieve pores, the resin powder particles with small particle size are obtained by the sieve pores, and the resin powder particles with large particle size are recovered and continuously ground;
2) surface modification treatment of the conductive powder: placing the conductive powder into a stirring container containing a silane coupling agent, stirring for 30-60 minutes at the rotating speed of 600-800r/min, and screening the conductive powder with the diameter of 0.5-3 mu m through a sieve hole;
3) surface modification treatment of conductive microfibers and whiskers: placing the conductive microfiber and the whisker into a stirring container containing a silane coupling agent, and stirring at the rotating speed of 100-300r/min for 90-120 minutes to obtain the treated conductive microfiber and the whisker;
4) feeding 30-60 parts by mass of resin powder, 5-30 parts by mass of conductive powder and 0.01-0.05 part by mass of acid-base balancing agent into a main feeding port of a double-screw blending extrusion device, adding 10-50 parts by mass of conductive whiskers and micro-fibers into a side feeding port at the tail end of a screw of the double-screw blending extrusion device, and blending and extruding to obtain the master batch with the wave-absorbing and radiation-proof functions.
Preferably, the acid-base balancing agent is sodium dihydrogen phosphate.
Preferably, 5 to 10 parts by mass of a flow modifier is also added into the twin-screw blending extrusion device in the step 4), and the flow modifier is polyethylene wax.
Because the conductive microfiber, the whisker and the conductive powder contain certain alkali after surface modification treatment, a certain amount of acid-base balancing agent sodium dihydrogen phosphate is added in order to increase the stability of a system and ensure that resin molecules are not degraded due to the addition of the conductive microfiber, the whisker and the conductive powder.
In order to increase the fluidity of the system (the viscosity of PET is higher, which is not beneficial to the dispersion of the solid glass beads), a certain amount of polyethylene wax serving as a flow modifier is added.
The invention has the advantages and beneficial effects that: the functional master batch has high conductivity, and the fiber prepared from the functional master batch has the functions of static resistance, radiation protection and wave absorption.
The fiber prepared from the functional master batch has the functions of static resistance, radiation protection and wave absorption, and the fiber has high conductivity different from that of common fiber by utilizing the uniform arrangement of conductive micro-fibers, whiskers and powder on the surface of the fiber and a conductive path formed among the conductive whiskers, the microfibers and the conductive powder, so that the prepared fabric can achieve multifunctional compounding of static resistance, radiation protection, wave absorption and the like. And the adoption of the conductive microfiber and the whisker can increase the mechanical properties such as the strength of the fiber material and the like, and has beneficial effects on the abrasion resistance of the fiber and the like.
Detailed Description
The following further describes embodiments of the present invention with reference to examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The technical scheme of the specific implementation of the invention is as follows:
the invention provides a wave-absorbing radiation-proof functional master batch which is prepared by a resin matrix and a functional additive in a blending and extruding manner; the raw material of the resin matrix is resin powder obtained by dividing resin slices step by step through a water grinding method; the functional additives are conductive microfibers, whiskers and conductive powder subjected to surface modification treatment, and are uniformly dispersed in the resin matrix. The particle diameter of the resin powder is 15-40 μm (preferably 15 μm, 20 μm, 25 μm, 35 μm or 40 μm). The surface treating agent used for the surface modification treatment is a silane coupling agent, the surface modification treatment method is that conductive microfibers, whiskers and conductive powder are placed in a stirring container containing the silane coupling agent to be stirred, the aspect ratio of the microfibers and whiskers after treatment is 20: 1-40: 1 (preferably 20: 1, 30: 1 or 40: 1), and the particle diameter of the conductive powder is 0.5-3 μm (preferably 0.5 μm, 1 μm, 1.5 μm, 2.5 μm or 3 μm). The resin slices are PET slices, PP slices, PA slices or PBT slices. The conductive micro-fiber is conductive steel fiber. The whisker is conductive titanium dioxide whisker or conductive calcium carbonate whisker. The conductive powder is conductive titanium dioxide powder or conductive carbon black.
The invention also provides a preparation method of the wave-absorbing radiation-proof functional master batch, which comprises the following steps:
1) preparing resin powder: the resin slice is divided step by a water grinding method to prepare resin powder with the particle diameter of 15-40 mu m (preferably 15 mu m, 20 mu m, 25 mu m, 35 mu m or 40 mu m), the step by step division is that the resin powder ground by the water grinding is automatically filtered by a sieve pore, the resin powder particle with small particle diameter is obtained by the sieve pore, and the resin powder particle with large particle diameter is recovered and ground continuously; the resin slices are PET slices, PP slices, PA slices or PBT slices;
2) surface modification treatment of the conductive powder: placing the conductive powder into a stirring container containing silane coupling agent, stirring at the rotating speed of 600-800r/min (preferably 600r/min, 700r/min or 800r/min) for 30-60 minutes, and screening the conductive powder with the diameter of 0.5-3 μm (preferably 0.5 μm, 1 μm, 1.5 μm, 2.5 μm or 3 μm) through a sieve pore; the conductive powder is conductive titanium dioxide powder or conductive carbon black;
3) surface modification treatment of conductive microfibers and whiskers: placing the conductive microfiber and the whisker into a stirring container containing a silane coupling agent, and stirring at the rotating speed of 100-300r/min (preferably 100r/min, 200r/min or 300r/min) for 90-120 minutes (preferably 90 minutes, 100 minutes or 120 minutes) to obtain the treated conductive microfiber and the whisker; the conductive micro-fiber is conductive steel fiber; the whisker is conductive titanium dioxide whisker or conductive calcium carbonate whisker;
4) feeding 30-60 parts by mass (preferably 30 parts by mass, 45 parts by mass or 60 parts by mass) of resin powder and 5-30 parts by mass (preferably 5 parts by mass, 20 parts by mass or 30 parts by mass) of conductive powder, 0.01-0.05 part by mass (preferably 0.01 part by mass, 0.03 part by mass or 0.05 part by mass) of acid-base balancing agent into a main feeding port of a double-screw blending and extruding device, adding 10-50 parts by mass (preferably 10 parts by mass, 30 parts by mass or 50 parts by mass) of conductive whiskers and microfibers into a side feeding port at the tail end of a screw of the double-screw blending and extruding device, and blending and extruding to obtain the master batch with the wave-absorbing and radiation-preventing functions; the acid-base balancing agent is sodium dihydrogen phosphate; the ratio of the total mass of the conductive whiskers and the micro fibers to the total mass of the conductive powder is 1: 1-4: 1 (preferably 1: 1, 1.5: 1, 2: 1, 2.5: 1, 3: 1, 3.5: 1 or 4: 1).
In order to increase the fluidity of the system (the viscosity of PET is large, which is not beneficial to the dispersion of the solid glass beads), 5 to 10 parts by mass (preferably 5 parts by mass, 7.5 parts by mass or 10 parts by mass) of a flow modifier which is polyethylene wax can be added into the twin-screw blending extrusion device in the step 3).
The technology is researched aiming at multiple functions of static electricity resistance, radiation protection, wave absorption and the like, the obtained functional master batch can obtain different functional effects through different addition degrees due to the preparation of multifunctional fibers with static electricity resistance, radiation protection and wave absorption, and the requirements of people on health care, safety and other functionalities can be met.
When the ratio of the total mass of the conductive whiskers and the micro fibers to the total mass of the conductive powder is 1: 1-4: 1, the room-temperature conductive percolation threshold value is 2-6%.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (1)
1. The preparation method of the master batch with the wave-absorbing and radiation-proof functions is characterized by comprising the following steps of:
1) preparing resin powder: preparing resin powder with the particle diameter of 15-40 mu m by shunting the resin slices step by step through a water milling method;
2) surface modification treatment of the conductive powder: placing the conductive powder into a stirring container containing a silane coupling agent, stirring for 30-60 minutes at the rotating speed of 600-800r/min, and screening the conductive powder with the diameter of 0.5-3 mu m through a sieve hole;
3) surface modification treatment of conductive microfibers and whiskers: placing the conductive microfiber and the whisker into a stirring container containing a silane coupling agent, and stirring at the rotating speed of 100-300r/min for 90-120 minutes to obtain the treated conductive microfiber and the whisker;
4) feeding 30-60 parts by mass of resin powder, 5-30 parts by mass of conductive powder, 0.01-0.05 part by mass of an acid-base balancing agent and 5-10 parts by mass of a flow modifier into a main feeding port of a double-screw blending extrusion device, adding 10-50 parts by mass of conductive whiskers and microfibers into a side feeding port at the tail end of a screw of the double-screw blending extrusion device, and blending and extruding to obtain master batches with wave-absorbing and radiation-proof functions;
wherein,
the acid-base balancing agent is sodium dihydrogen phosphate;
the flow modifier is polyethylene wax;
the resin slices are PET slices, PP slices, PA slices or PBT slices;
the conductive powder is conductive titanium dioxide powder or conductive carbon black;
the conductive micro-fiber is conductive steel fiber;
the whisker is conductive titanium dioxide whisker or conductive calcium carbonate whisker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310433200.1A CN103467937B (en) | 2013-09-22 | 2013-09-22 | Inhale ripple radiation proof function master batch and preparation method thereof |
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| CN201310433200.1A CN103467937B (en) | 2013-09-22 | 2013-09-22 | Inhale ripple radiation proof function master batch and preparation method thereof |
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| CN103467937A CN103467937A (en) | 2013-12-25 |
| CN103467937B true CN103467937B (en) | 2015-12-23 |
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| CN201310433200.1A Expired - Fee Related CN103467937B (en) | 2013-09-22 | 2013-09-22 | Inhale ripple radiation proof function master batch and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104470344A (en) * | 2014-12-17 | 2015-03-25 | 广州三星通信技术研究有限公司 | Electromagnetic shielding composite material and preparation method thereof |
| JP6540825B2 (en) * | 2015-11-26 | 2019-07-10 | 日本製鉄株式会社 | Coated metal plate |
| CN109320960A (en) * | 2018-10-11 | 2019-02-12 | 安庆市泽烨新材料技术推广服务有限公司 | Nylon composite materials and preparation method thereof |
| CN109354869A (en) * | 2018-10-11 | 2019-02-19 | 安庆市泽烨新材料技术推广服务有限公司 | Anti-flaming nano enhances nylon composite materials and preparation method thereof |
| CN109354870A (en) * | 2018-10-11 | 2019-02-19 | 安庆市泽烨新材料技术推广服务有限公司 | Glass fiber enhanced nylon composite material and preparation method |
| CN113550069B (en) * | 2021-08-04 | 2022-10-14 | 安徽锦鼎织造有限公司 | Preparation process of terahertz hot-air cotton |
| CN115073896B (en) * | 2022-07-21 | 2023-05-09 | 上海珈邦新材料科技有限公司 | Wave-absorbing composite resin master batch and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62169859A (en) * | 1986-01-22 | 1987-07-27 | Dainippon Ink & Chem Inc | Electrically conductive organic polymer molding and production thereof |
| JPH07224214A (en) * | 1994-02-10 | 1995-08-22 | Toyo Tire & Rubber Co Ltd | Temperature-selfcontrolling pyrogenetic material |
| CN103214802A (en) * | 2013-04-19 | 2013-07-24 | 北京中纺优丝特种纤维科技有限公司 | Polyester-fiber conductive masterbatch pre-dispersion and preparation method thereof |
-
2013
- 2013-09-22 CN CN201310433200.1A patent/CN103467937B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62169859A (en) * | 1986-01-22 | 1987-07-27 | Dainippon Ink & Chem Inc | Electrically conductive organic polymer molding and production thereof |
| JPH07224214A (en) * | 1994-02-10 | 1995-08-22 | Toyo Tire & Rubber Co Ltd | Temperature-selfcontrolling pyrogenetic material |
| CN103214802A (en) * | 2013-04-19 | 2013-07-24 | 北京中纺优丝特种纤维科技有限公司 | Polyester-fiber conductive masterbatch pre-dispersion and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| "复合型导电塑料中导电填料的开发现状与发展";何益艳，等;《塑料科技》;20040630(第3期);50-53 * |
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