CN103467937A - Wave-absorbing radiation-resistant functional master batches and preparation method thereof - Google Patents
Wave-absorbing radiation-resistant functional master batches and preparation method thereof Download PDFInfo
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- CN103467937A CN103467937A CN2013104332001A CN201310433200A CN103467937A CN 103467937 A CN103467937 A CN 103467937A CN 2013104332001 A CN2013104332001 A CN 2013104332001A CN 201310433200 A CN201310433200 A CN 201310433200A CN 103467937 A CN103467937 A CN 103467937A
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Abstract
The invention discloses wave-absorbing radiation-resistant functional master batches which are prepared from a resin matrix and functional additives in a blending extrusion manner; the raw material of the resin matrix is resin powder prepared by slicing polyester and shunting stage by stage through a water grinding method; the functional additives are conductive micro-fibre, crystal whisker and conductive powder subjected to surface modification treatment; the functional additives are uniformly dispersed in the resin matrix. The invention further discloses a preparation method of wave-absorbing radiation-resistant functional master batches. According to the wave-absorbing radiation-resistant functional master batches and the preparation method thereof provided by the invention, the prepared functional master batches have high electrical conductivity; fibre prepared by adopting the functional master batches has the functions of resisting static electricity, preventing radiation and absorbing wave.
Description
Technical field
The present invention relates to the textile materials technical field, be specifically related to a kind of suction ripple radiation proof function master batch and preparation method thereof.
Background technology
Functional textile is the exploitation focus of current field of textiles, along with the raising of living standards of the people with to the requirement of quality of the life, improve, for the modern textile product, new requirement has also been proposed, traditional raw material can not meet people for health care and safe demand, some have the fabric urgent need research and development of specific function, and the fiber and the fiber Qian road technology that have specific function for some have accordingly proposed new requirement.
Summary of the invention
The object of the present invention is to provide a kind of suction ripple radiation proof function master batch and preparation method thereof, the gained functional agglomerate has high conductivity, and that the fiber that adopts this functional agglomerate to prepare has is antistatic, the function of radioprotective and suction ripple.
For achieving the above object, technical scheme of the present invention is a kind of suction ripple radiation proof function master batch of design, by resin matrix and functional additive, by the blending extrusion mode, is made; The raw material of described resin matrix is that polyester slice shunts through levigation method the resin powder obtained step by step; Described functional additive is conductive microfiber, whisker and conductive powder body through surface modification treatment, and described functional additive is dispersed in resin matrix.
Preferably, the particle diameter of described resin powder is at 15-40 μ m.
Preferably, described surface modification treatment surface treatment agent used is silane coupling agent, surface modifying treatment stirs for conductive microfiber, whisker and conductive powder body are inserted in the stirred vessel that contains silane coupling agent, fento after processing and the length-to-diameter ratio of whisker are 20: 1-40: 1, and the conductive powder body particle diameter is 0.5-3 μ m.
Preferably, described polyester slice is PET section, PP section, PA section or PBT section.
Preferably, described conductive microfiber is the conductive steel fibre.
Preferably, described whisker is conductive titanate dioxide whisker or conduction calcium carbonate crystal whisker.
Preferably, described conductive powder body is conductive titanium dioxide powder or graphitized carbon black.
The present invention also provides a kind of grain preparation method who inhales ripple radiation proof function master batch, comprises the steps:
1) prepare the resin powder: by the resin slicer process levigation method resin powder that the standby particle diameter of separate system is 15-40 μ m step by step, shunting is by sieve aperture automatic filtration by the resin powder after water mill grinds step by step, the resin powder granule that particle diameter is little obtains through sieve aperture, and the resin powder granule that particle diameter is large reclaims and continues to grind;
2) surface modification treatment of conductive powder body: conductive powder body is inserted to the rotating speed with 600-800r/min in the stirred vessel that contains silane coupling agent and stir 30-60 minute, then select through mesh screen the conductive powder body that diameter is 0.5-3 μ m;
3) surface modification treatment of conductive microfiber and whisker: conductive microfiber and whisker are inserted to the rotating speed with 100-300r/min in the stirred vessel that contains silane coupling agent and stir 90-120 minute, the conductive microfiber after being processed and whisker;
4) in the main spout feeding 30-60 mass parts resin powder of twin screw blending extrusion device and 5-30 mass parts conductive powder body, the agent of 0.01-0.05 mass parts acid base equilibrium, and adding 10-50 mass parts conductive whiskers and fento at the side spout that is positioned at twin screw blending extrusion device screw rod end, blending extrusion makes inhales ripple radiation proof function master batch.
Preferably, described acid base equilibrium agent is SODIUM PHOSPHATE, MONOBASIC.
Preferably, described step 4) also drop into 5-10 mass parts flow ability modifying agent in twin screw blending extrusion device in, described flow ability modifying agent is polyethylene wax.
Because conductive microfiber, whisker and conductive powder body can contain certain alkali after surface modification treatment, in order to increase the stability of system, the assurance molecular resin is not degraded because of the interpolation of conductive microfiber, whisker and conductive powder body, therefore add a certain amount of acid base equilibrium agent SODIUM PHOSPHATE, MONOBASIC.
For the mobility (PET viscosity is larger, is unfavorable for the dispersion of solid glass micro-bead) that increases system, therefore add a certain amount of flow ability modifying agent polyethylene wax.
Advantage of the present invention and beneficial effect are: a kind of suction ripple radiation proof function master batch and preparation method thereof is provided, and the gained functional agglomerate has high conductivity, and that the fiber that adopts this functional agglomerate to prepare has is antistatic, the function of radioprotective and suction ripple.
That this kind of prepared fiber of functional agglomerate has is antistatic, the function of radioprotective and suction ripple, utilize conductive microfiber, whisker and powder evenly arranging at fiber surface, give by the conductive path formed between conductive whiskers, fento and conductive powder body the high conductivity that fiber differs from general fiber, thereby that prepared fabric can reach is antistatic, radioprotective and suction ripple etc. are multi-functional compound.And adopt conductive microfiber, whisker can increase the mechanical properties such as intensity of filamentary material, there is beneficial effect for the anti-wear of fiber etc.
Embodiment
Below in conjunction with embodiment, the specific embodiment of the present invention is further described.Following examples are only for technical scheme of the present invention more clearly is described, and can not limit the scope of the invention with this.
The concrete technical scheme of implementing of the present invention is:
The invention provides a kind of suction ripple radiation proof function master batch, made by the blending extrusion mode by resin matrix and functional additive; The raw material of described resin matrix is that polyester slice shunts through levigation method the resin powder obtained step by step; Described functional additive is conductive microfiber, whisker and conductive powder body through surface modification treatment, and described functional additive is dispersed in resin matrix.The particle diameter of described resin powder is 15-40 μ m (being preferably 15 μ m, 20 μ m, 25 μ m, 35 μ m or 40 μ m).Described surface modification treatment surface treatment agent used is silane coupling agent, surface modifying treatment stirs for conductive microfiber, whisker and conductive powder body are inserted in the stirred vessel that contains silane coupling agent, fento after processing and the length-to-diameter ratio of whisker are 20: 1-40: 1 (be preferably 20: 1,30: 1 or 40: 1), the conductive powder body particle diameter is 0.5-3 μ m (being preferably 0.5 μ m, 1 μ m, 1.5 μ m, 2.5 μ m or 3 μ m).Described polyester slice is PET section, PP section, PA section or PBT section.Described conductive microfiber is the conductive steel fibre.Described whisker is conductive titanate dioxide whisker or conduction calcium carbonate crystal whisker.Described conductive powder body is conductive titanium dioxide powder or graphitized carbon black.
The present invention also provides the grain preparation method who inhales ripple radiation proof function master batch, comprises the steps:
1) prepare the resin powder: by the resin slicer process levigation method resin powder that the standby particle diameter of separate system is 15-40 μ m (being preferably 15 μ m, 20 μ m, 25 μ m, 35 μ m or 40 μ m) step by step, shunting is by sieve aperture automatic filtration by the resin powder after water mill grinds step by step, the resin powder granule that particle diameter is little obtains through sieve aperture, and the resin powder granule that particle diameter is large reclaims and continues to grind; Described polyester slice is PET section, PP section, PA section or PBT section;
2) surface modification treatment of conductive powder body: conductive powder body is inserted to the rotating speed with 600-800r/min (being preferably 600r/min, 700r/min or 800r/min) in the stirred vessel that contains silane coupling agent and stir 30-60 minute, then select through mesh screen the conductive powder body that diameter is 0.5-3 μ m (being preferably 0.5 μ m, 1 μ m, 1.5 μ m, 2.5 μ m or 3 μ m); Described conductive powder body is conductive titanium dioxide powder or graphitized carbon black;
3) surface modification treatment of conductive microfiber and whisker: conductive microfiber and whisker are inserted in the stirred vessel that contains silane coupling agent to rotating speed with 100-300r/mi n (being preferably 100r/min, 200r/min or 300r/min) and stir 90-120 minute (be preferably 90 minutes, 100 minutes or 120 minutes), the conductive microfiber after being processed and whisker; Described conductive microfiber is the conductive steel fibre; Described whisker is conductive titanate dioxide whisker or conduction calcium carbonate crystal whisker;
4) the main spout feeding 30-60 mass parts at twin screw blending extrusion device (is preferably 30 mass parts, 45 mass parts or 60 mass parts) resin powder and 5-30 mass parts (be preferably 5 mass parts, 20 mass parts or 30 mass parts) conductive powder body, 0.01-0.05 mass parts (is preferably 0.01 mass parts, 0.03 mass parts or 0.05 mass parts) the acid base equilibrium agent, and (be preferably 10 mass parts in the side spout interpolation 10-50 mass parts that is positioned at twin screw blending extrusion device screw rod end, 30 mass parts or 50 mass parts) conductive whiskers and fento, blending extrusion makes inhales ripple radiation proof function master batch, described acid base equilibrium agent is SODIUM PHOSPHATE, MONOBASIC, it is 1 with the ratio of conductive powder body interpolation total mass that conductive whiskers and fento add total mass: 1-4: 1 (be preferably 1: 1,1.5: 1,2: 1,2.5: 1,3: 1,3.5: 1 or 4: 1).
For the mobility that increases system, (PET viscosity is larger, be unfavorable for the dispersion of solid glass micro-bead), described step 3) also can drop into 5-10 mass parts (being preferably 5 mass parts, 7.5 mass parts or 10 mass parts) flow ability modifying agent in twin screw blending extrusion device in, described flow ability modifying agent is polyethylene wax.
Present technique is for multi-functional researchs such as antistatic, radioprotective and suction ripples, the functional agglomerate obtained can be antistatic owing to having, the preparation of radioprotective and suction ripple multifunctional fibre, obtain different functional effects by different interpolation degree, can meet people for functional demands such as health care and safety.
When conductive whiskers and fento add total mass, with the ratio of conductive powder body interpolation total mass, be 1: 1-4: in the time of 1, its conductivity at room temperature percolation threshold is 2-6%.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. inhale ripple radiation proof function master batch, it is characterized in that, made by the blending extrusion mode by resin matrix and functional additive; The raw material of described resin matrix is that polyester slice shunts through levigation method the resin powder obtained step by step; Described functional additive is conductive microfiber, whisker and conductive powder body through surface modification treatment, and described functional additive is dispersed in resin matrix.
2. suction ripple radiation proof function master batch according to claim 1, is characterized in that, the particle diameter of described resin powder is at 15-40 μ m.
3. suction ripple radiation proof function master batch according to claim 2, it is characterized in that, described surface modification treatment surface treatment agent used is silane coupling agent, surface modifying treatment stirs for conductive microfiber, whisker and conductive powder body are inserted in the stirred vessel that contains silane coupling agent, fento after processing and the length-to-diameter ratio of whisker are 20: 1-40: 1, and the conductive powder body particle diameter is 0.5-3 μ m.
4. suction ripple radiation proof function master batch according to claim 3, is characterized in that, described polyester slice is PET section, PP section, PA section or PBT section.
5. suction ripple radiation proof function master batch according to claim 4, is characterized in that, described conductive microfiber is the conductive steel fibre.
6. suction ripple radiation proof function master batch according to claim 5, is characterized in that, described whisker is conductive titanate dioxide whisker or conduction calcium carbonate crystal whisker.
7. suction ripple radiation proof function master batch according to claim 6, is characterized in that, described conductive powder body is conductive titanium dioxide powder or graphitized carbon black.
8. inhale the grain preparation method of ripple radiation proof function master batch, it is characterized in that, comprise the steps:
1) prepare the resin powder: by the resin slicer process levigation method resin powder that the standby particle diameter of separate system is 15-40 μ m step by step;
2) surface modification treatment of conductive powder body: conductive powder body is inserted to the rotating speed with 600-800r/min in the stirred vessel that contains silane coupling agent and stir 30-60 minute, then select through mesh screen the conductive powder body that diameter is 0.5-3 μ m;
3) surface modification treatment of conductive microfiber and whisker: conductive microfiber and whisker are inserted to the rotating speed with 100-300r/min in the stirred vessel that contains silane coupling agent and stir 90-120 minute, the conductive microfiber after being processed and whisker;
4) in the main spout feeding 30-60 mass parts resin powder of twin screw blending extrusion device and 5-30 mass parts conductive powder body, the agent of 0.01-0.05 mass parts acid base equilibrium, and adding 10-50 mass parts conductive whiskers and fento at the side spout that is positioned at twin screw blending extrusion device screw rod end, blending extrusion makes inhales ripple radiation proof function master batch.
9. the grain preparation method of glittering silk functional agglomerate according to claim 8, is characterized in that, described acid base equilibrium agent is SODIUM PHOSPHATE, MONOBASIC.
10. the grain preparation method of glittering silk functional agglomerate according to claim 9, is characterized in that described step 4) also drop into 5-10 mass parts flow ability modifying agent in middle twin screw blending extrusion device, described flow ability modifying agent is polyethylene wax.
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Cited By (7)
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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 |
| CN108290383A (en) * | 2015-11-26 | 2018-07-17 | 新日铁住金株式会社 | 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 |
| 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 |
| 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 |
| CN113550069A (en) * | 2021-08-04 | 2021-10-26 | 安徽锦鼎织造有限公司 | Preparation process of terahertz hot-air cotton |
| CN115073896A (en) * | 2022-07-21 | 2022-09-20 | 上海珈邦新材料科技有限公司 | Wave-absorbing composite resin master batch and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108290383A (en) * | 2015-11-26 | 2018-07-17 | 新日铁住金株式会社 | Coated metal plate |
| CN108290383B (en) * | 2015-11-26 | 2020-05-05 | 日本制铁株式会社 | Coated metal sheet |
| 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 |
| 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 |
| 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 |
| CN113550069A (en) * | 2021-08-04 | 2021-10-26 | 安徽锦鼎织造有限公司 | Preparation process of terahertz hot-air cotton |
| CN115073896A (en) * | 2022-07-21 | 2022-09-20 | 上海珈邦新材料科技有限公司 | Wave-absorbing composite resin master batch and preparation method thereof |
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