CN104987678A - Flame-retardant stretch-proof insulating material for electric power engineering and preparation method for flame-retardant stretch-proof insulating material - Google Patents
Flame-retardant stretch-proof insulating material for electric power engineering and preparation method for flame-retardant stretch-proof insulating material Download PDFInfo
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Abstract
The invention discloses a flame-retardant stretch-proof insulating material for electric power engineering and a preparation method for the flame-retardant stretch-proof insulating material. The flame-retardant stretch-proof insulating material for electric power engineering comprises the following components in parts by weight: 5-10 parts of N-hydroxymethyl acrylamide, 3-7 parts of alkyd resin, 11-18 parts of polyethylene naphthalate, 6-12 parts of polypropylene, 3-7 parts of polyketone resin, 2-6 parts of poly(3-polyhydroxybutyrate), 4-8 parts of triphenyl phosphite, 3-7 parts of tung oil, 4-10 parts of diacetyl tartaric acid ester of mono- and diglycerides, 6-12 parts of magnesium hydroxide, 2-5 parts of an anti-oxidant 1076 and 3-8 parts of calcium sulfate. The preparation method for the insulating material comprises the following steps: (1) adding the components into a high-speed mixer, and uniformly stirring the components in the high-speed mixer; and (2) fusing and extruding the composite materials which are uniformly stirred in the step (1) by a twin-screw extruder, and pelletizing and cooling the fused and extruded composite materials, thereby obtaining the insulating material for electric power engineering.
Description
Technical field
The invention belongs to power engineering field, relate to a kind of power engineering insulating material and preparation method thereof, particularly relate to power engineering insulating material of a kind of fire-retardant stretch-proof and preparation method thereof.
Background technology
Specific resistance is greater than 10
9the material of Ω .cm is called insulating material on electrotechnology, and insulating material is kept apart bands different for current potential point part in the electrical apparatus.Therefore insulating material should have good dielectric properties, namely has higher insulation resistance and compressive strength, and can avoid leaking electricity, creepage or the accident such as to puncture; Secondly resistance toheat will be got well, wherein especially with unimportant because producing performance variation by heat effect (thermal ageing) for a long time; In addition also have good thermal conductivity, moisture resistance and have higher physical strength and processes convenient etc.The insulating material that electrician commonly uses is different by its chemical property, can be divided into inorganicly having material, organic insulation and mix insulation material.(1), inorganic insulating material: have mica, asbestos, marble, porcelain, glass, sulphur etc., mainly do the base plate and insulator etc. of motor, electric winding insulation, switch.(2), organic insulation: have shellac, resin, rubber, cotton yarn, paper, fiber crops, silk, artificial silk, mostly for the manufacture of the coating insulant etc. of insullac, winding conducting wire.(3), mix insulation material: the various profiled insulation materials be processed into by above bi-material, are used as the base of electrical equipment, shell etc.
Summary of the invention
The technical problem solved: the object of the invention is open a kind of power engineering insulating material and preparation method thereof, this insulating material can be used in the middle of the cable, electromechanical equipment etc. of power engineering, improves the insulating property of power engineering insulating material, fire-retardant intensity and tensile strength thereof.
Technical scheme: the invention discloses power engineering insulating material of a kind of fire-retardant stretch-proof and preparation method thereof, the power engineering insulating material of described fire-retardant stretch-proof comprises the composition of following weight parts:
N hydroxymethyl acrylamide 5-10 part,
Synolac 3-7 part,
PEN 11-18 part,
Polypropylene 6-12 part,
Polyketone resin 3-7 part,
Poly 3-hydroxy butyrate 2-6 part,
Triphenyl phosphite 4-8 part,
Tung oil 3-7 part,
Diacetyl tartarate list double glyceride 4-10 part,
Magnesium hydroxide 6-12 part,
Antioxidant 1076 2-5 part,
Calcium sulfate 3-8 part.
As preferred scheme, the power engineering insulating material of described a kind of fire-retardant stretch-proof, the power engineering insulating material of described fire-retardant stretch-proof comprises the composition of following weight parts:
N hydroxymethyl acrylamide 7-9 part,
Synolac 4-6 part,
PEN 13-16 part,
Polypropylene 8-10 part,
Polyketone resin 4-6 part,
Poly 3-hydroxy butyrate 3-5 part,
Triphenyl phosphite 5-7 part,
Tung oil 4-6 part,
Diacetyl tartarate list double glyceride 6-9 part,
Magnesium hydroxide 8-10 part,
Antioxidant 1076 3-4 part,
Calcium sulfate 4-6 part.
A preparation method for the power engineering insulating material of fire-retardant stretch-proof, comprises the following steps:
(1) get N hydroxymethyl acrylamide 5-10 part by weight respectively, Synolac 3-7 part, PEN 11-18 part, polypropylene 6-12 part, polyketone resin 3-7 part, poly 3-hydroxy butyrate 2-6 part, triphenyl phosphite 4-8 part, tung oil 3-7 part, diacetyl tartarate list double glyceride 4-10 part, magnesium hydroxide 6-12 part, antioxidant 1076 be 2-5 part, calcium sulfate 3-8 part, above composition is all fed in high-speed mixer, is stirred to evenly in high-speed mixer;
(2) the matrix material twin screw extruder after step (1) being stirred melt extrudes and granulation, twin screw extruder head temperature is 155-175 DEG C, twin screw extruder zone temperatures is: a district temperature 170-190 DEG C, two district's temperature are 195-205 DEG C, three district's temperature are 210-220 DEG C, and four district's temperature are 225-230 DEG C; By material pelletizing after extruding, after cooling, it is power engineering insulating material.
As preferred scheme, the preparation method of the power engineering insulating material of described a kind of fire-retardant stretch-proof, in described step (1) high speed mixing machine, mixing speed is 70r/min-150r/min.
As preferred scheme, the preparation method of the power engineering insulating material of described a kind of fire-retardant stretch-proof, in described step (2), twin screw extruder head temperature is 165 DEG C.
As preferred scheme, the preparation method of the power engineering insulating material of described a kind of fire-retardant stretch-proof, in described step (2), twin screw extruder zone temperatures is: district's temperature 180 DEG C, and two district's temperature are 200 DEG C, three district's temperature are 215 DEG C, and four district's temperature are 230 DEG C.
As preferred scheme, the preparation method of the power engineering insulating material of described a kind of fire-retardant stretch-proof, in described step (2), double-screw extruder screw length-to-diameter ratio is 12:1.
Beneficial effect: the insulating material for power engineering disclosed by the invention has possessed very high insulating property, tensile strength and fire-retardant intensity, be applicable in the industries such as power engineering, in power engineering insulating material of the present invention, the macromolecular material composition of routine is improved, with the addition of different functional components, mentioned component effectively improves the insulating property etc. of original insulating material.
embodiment:
Embodiment 1
(1) get N hydroxymethyl acrylamide 5 parts by weight respectively, Synolac 7 parts, PEN 11 parts, polypropylene 6 parts, polyketone resin 3 parts, poly 3-hydroxy butyrate 6 parts, triphenyl phosphite 4 parts, tung oil 7 parts, diacetyl tartarate list double glyceride 10 parts, magnesium hydroxide 6 parts, antioxidant 1076 be 5 parts, 3 parts, calcium sulfate, above composition is all fed in high-speed mixer, is stirred to evenly in high-speed mixer;
(2) the matrix material twin screw extruder after step (1) being stirred melt extrudes and granulation, twin screw extruder head temperature is 175 DEG C, twin screw extruder zone temperatures is: district's temperature 190 DEG C, two district's temperature are 205 DEG C, three district's temperature are 210 DEG C, and four district's temperature are 230 DEG C; By material pelletizing after extruding, after cooling, it is power engineering insulating material.
Embodiment 2
(1) get N hydroxymethyl acrylamide 10 parts by weight respectively, Synolac 3 parts, PEN 18 parts, polypropylene 12 parts, polyketone resin 7 parts, poly 3-hydroxy butyrate 2 parts, triphenyl phosphite 8 parts, tung oil 3 parts, diacetyl tartarate list double glyceride 4 parts, magnesium hydroxide 12 parts, antioxidant 1076 be 2 parts, 8 parts, calcium sulfate, above composition is all fed in high-speed mixer, is stirred to evenly in high-speed mixer;
(2) the matrix material twin screw extruder after step (1) being stirred melt extrudes and granulation, twin screw extruder head temperature is 155 DEG C, twin screw extruder zone temperatures is: district's temperature 170 DEG C, two district's temperature are 195 DEG C, three district's temperature are 220 DEG C, and four district's temperature are 225 DEG C; By material pelletizing after extruding, after cooling, it is power engineering insulating material.
Embodiment 3
(1) get N hydroxymethyl acrylamide 7 parts by weight respectively, Synolac 6 parts, PEN 13 parts, polypropylene 10 parts, polyketone resin 6 parts, poly 3-hydroxy butyrate 3 parts, triphenyl phosphite 5 parts, tung oil 6 parts, diacetyl tartarate list double glyceride 6 parts, magnesium hydroxide 8 parts, antioxidant 1076 be 4 parts, 4 parts, calcium sulfate, above composition is all fed in high-speed mixer, is stirred to evenly in high-speed mixer;
(2) the matrix material twin screw extruder after step (1) being stirred melt extrudes and granulation, twin screw extruder head temperature is 175 DEG C, twin screw extruder zone temperatures is: district's temperature 190 DEG C, two district's temperature are 205 DEG C, three district's temperature are 210 DEG C, and four district's temperature are 230 DEG C; By material pelletizing after extruding, after cooling, it is power engineering insulating material.
Embodiment 4
(1) get N hydroxymethyl acrylamide 9 parts by weight respectively, Synolac 4 parts, PEN 16 parts, polypropylene 8 parts, polyketone resin 4 parts, poly 3-hydroxy butyrate 5 parts, triphenyl phosphite 7 parts, tung oil 4 parts, diacetyl tartarate list double glyceride 9 parts, magnesium hydroxide 10 parts, antioxidant 1076 be 3 parts, 6 parts, calcium sulfate, above composition is all fed in high-speed mixer, is stirred to evenly in high-speed mixer;
(2) the matrix material twin screw extruder after step (1) being stirred melt extrudes and granulation, twin screw extruder head temperature is 155 DEG C, twin screw extruder zone temperatures is: district's temperature 170 DEG C, two district's temperature are 195 DEG C, three district's temperature are 220 DEG C, and four district's temperature are 225 DEG C; By material pelletizing after extruding, after cooling, it is power engineering insulating material.
Embodiment 5
(1) get N hydroxymethyl acrylamide 8 parts by weight respectively, Synolac 5 parts, PEN 14 parts, polypropylene 9 parts, polyketone resin 5 parts, poly 3-hydroxy butyrate 4 parts, triphenyl phosphite 6 parts, tung oil 5 parts, diacetyl tartarate list double glyceride 8 parts, magnesium hydroxide 9 parts, antioxidant 1076 be 3 parts, 5 parts, calcium sulfate, above composition is all fed in high-speed mixer, is stirred to evenly in high-speed mixer;
(2) the matrix material twin screw extruder after step (1) being stirred melt extrudes and granulation, twin screw extruder head temperature is 155 DEG C, twin screw extruder zone temperatures is: district's temperature 180 DEG C, two district's temperature are 200 DEG C, three district's temperature are 215 DEG C, and four district's temperature are 230 DEG C; By material pelletizing after extruding, after cooling, it is power engineering insulating material.
Comparative example 1
(1) get Synolac 7 parts by weight respectively, PEN 11 parts, polypropylene 6 parts, polyketone resin 3 parts, poly 3-hydroxy butyrate 6 parts, triphenyl phosphite 4 parts, tung oil 7 parts, diacetyl tartarate list double glyceride 10 parts, magnesium hydroxide 6 parts, antioxidant 1076 be 5 parts, 3 parts, calcium sulfate, above composition is all fed in high-speed mixer, is stirred to evenly in high-speed mixer;
(2) the matrix material twin screw extruder after step (1) being stirred melt extrudes and granulation, twin screw extruder head temperature is 175 DEG C, twin screw extruder zone temperatures is: district's temperature 190 DEG C, two district's temperature are 205 DEG C, three district's temperature are 210 DEG C, and four district's temperature are 230 DEG C; By material pelletizing after extruding, after cooling, it is power engineering insulating material.
Comparative example 2
(1) get N hydroxymethyl acrylamide 5 parts by weight respectively, polypropylene 6 parts, polyketone resin 3 parts, poly 3-hydroxy butyrate 6 parts, triphenyl phosphite 4 parts, tung oil 7 parts, diacetyl tartarate list double glyceride 10 parts, magnesium hydroxide 6 parts, antioxidant 1076 be 5 parts, 3 parts, calcium sulfate, above composition is all fed in high-speed mixer, is stirred to evenly in high-speed mixer;
(2) the matrix material twin screw extruder after step (1) being stirred melt extrudes and granulation, twin screw extruder head temperature is 175 DEG C, twin screw extruder zone temperatures is: district's temperature 190 DEG C, two district's temperature are 205 DEG C, three district's temperature are 210 DEG C, and four district's temperature are 230 DEG C; By material pelletizing after extruding, after cooling, it is power engineering insulating material.
Comparative example 3
(1) get N hydroxymethyl acrylamide 5 parts by weight respectively, Synolac 7 parts, PEN 11 parts, polypropylene 6 parts, triphenyl phosphite 4 parts, tung oil 7 parts, diacetyl tartarate list double glyceride 10 parts, magnesium hydroxide 6 parts, antioxidant 1076 be 5 parts, 3 parts, calcium sulfate, above composition is all fed in high-speed mixer, is stirred to evenly in high-speed mixer;
(2) the matrix material twin screw extruder after step (1) being stirred melt extrudes and granulation, twin screw extruder head temperature is 175 DEG C, twin screw extruder zone temperatures is: district's temperature 190 DEG C, two district's temperature are 205 DEG C, three district's temperature are 210 DEG C, and four district's temperature are 230 DEG C; By material pelletizing after extruding, after cooling, it is power engineering insulating material.
The volume resistance of the insulating material of embodiment 1 to 5 and tensile strength and flame retardant rating as follows:
| Volume resistance (Ω cm) | Tensile strength (MPa) | Flame retardant rating | |
| Embodiment 1 | 5×10 12 | 12.9 | A2 |
| Embodiment 2 | 4×10 12 | 12.5 | A2 |
| Embodiment 3 | 8×10 12 | 13.6 | A2 |
| Embodiment 4 | 9×10 12 | 13.5 | A1 |
| Embodiment 5 | 4×10 13 | 16.9 | A1 |
The volume resistance of the insulating material of comparative example and tensile strength and flame retardant rating as follows:
| Volume resistance (Ω cm) | Tensile strength (MPa) | Flame retardant rating | |
| Embodiment 1 | 7×10 11 | 9.9 | A2 |
| Embodiment 2 | 6×10 11 | 10.7 | B1 |
| Embodiment 3 | 3×10 11 | 10.2 | B1 |
Claims (7)
1. a power engineering insulating material for fire-retardant stretch-proof, is characterized in that, the power engineering insulating material of described fire-retardant stretch-proof comprises the composition of following weight parts:
N hydroxymethyl acrylamide 5-10 part,
Synolac 3-7 part,
PEN 11-18 part,
Polypropylene 6-12 part,
Polyketone resin 3-7 part,
Poly 3-hydroxy butyrate 2-6 part,
Triphenyl phosphite 4-8 part,
Tung oil 3-7 part,
Diacetyl tartarate list double glyceride 4-10 part,
Magnesium hydroxide 6-12 part,
Antioxidant 1076 2-5 part,
Calcium sulfate 3-8 part.
2. the power engineering insulating material of a kind of fire-retardant stretch-proof according to claim 1, is characterized in that, the power engineering insulating material of described fire-retardant stretch-proof comprises the composition of following weight parts:
N hydroxymethyl acrylamide 7-9 part,
Synolac 4-6 part,
PEN 13-16 part,
Polypropylene 8-10 part,
Polyketone resin 4-6 part,
Poly 3-hydroxy butyrate 3-5 part,
Triphenyl phosphite 5-7 part,
Tung oil 4-6 part,
Diacetyl tartarate list double glyceride 6-9 part,
Magnesium hydroxide 8-10 part,
Antioxidant 1076 3-4 part,
Calcium sulfate 4-6 part.
3. a preparation method for the power engineering insulating material of fire-retardant stretch-proof, is characterized in that, the preparation method of the power engineering insulating material of described fire-retardant stretch-proof comprises the following steps:
(1) get N hydroxymethyl acrylamide 5-10 part by weight respectively, Synolac 3-7 part, PEN 11-18 part, polypropylene 6-12 part, polyketone resin 3-7 part, poly 3-hydroxy butyrate 2-6 part, triphenyl phosphite 4-8 part, tung oil 3-7 part, diacetyl tartarate list double glyceride 4-10 part, magnesium hydroxide 6-12 part, antioxidant 1076 be 2-5 part, calcium sulfate 3-8 part, above composition is all fed in high-speed mixer, is stirred to evenly in high-speed mixer;
(2) the matrix material twin screw extruder after step (1) being stirred melt extrudes and granulation, twin screw extruder head temperature is 155-175 DEG C, twin screw extruder zone temperatures is: a district temperature 170-190 DEG C, two district's temperature are 195-205 DEG C, three district's temperature are 210-220 DEG C, and four district's temperature are 225-230 DEG C; By material pelletizing after extruding, after cooling, it is power engineering insulating material.
4. the preparation method of the power engineering insulating material of a kind of fire-retardant stretch-proof according to claim 3, is characterized in that, in described step (1) high speed mixing machine, mixing speed is 70r/min-150r/min.
5. the preparation method of the power engineering insulating material of a kind of fire-retardant stretch-proof according to claim 3, is characterized in that, in described step (2), twin screw extruder head temperature is 165 DEG C.
6. the preparation method of the power engineering insulating material of a kind of fire-retardant stretch-proof according to claim 3, it is characterized in that, in described step (2), twin screw extruder zone temperatures is: district's temperature 180 DEG C, two district's temperature are 200 DEG C, three district's temperature are 215 DEG C, and four district's temperature are 230 DEG C.
7. the preparation method of the power engineering insulating material of a kind of fire-retardant stretch-proof according to claim 3, is characterized in that, in described step (2), double-screw extruder screw length-to-diameter ratio is 12:1.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105957630A (en) * | 2016-06-27 | 2016-09-21 | 乔俊擎 | High-voltage power transmission power cable |
| CN107266779A (en) * | 2017-07-26 | 2017-10-20 | 合肥尚强电气科技有限公司 | A kind of power engineering insulating materials of fire-retardant stretch-proof and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6329451B2 (en) * | 1996-04-08 | 2001-12-11 | Kaneka Corporation | Flame retardant plastic resin composition |
| CN1213391A (en) * | 1996-11-22 | 1999-04-07 | 三井化学株式会社 | Thermoplastic resin composition and film made from the composition |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105957630A (en) * | 2016-06-27 | 2016-09-21 | 乔俊擎 | High-voltage power transmission power cable |
| CN105957630B (en) * | 2016-06-27 | 2017-09-26 | 江西太平洋电缆集团有限公司 | A kind of high voltage power transmission power cable |
| CN107266779A (en) * | 2017-07-26 | 2017-10-20 | 合肥尚强电气科技有限公司 | A kind of power engineering insulating materials of fire-retardant stretch-proof and preparation method thereof |
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Inventor after: Sun Jingye Inventor after: Meng Wei Inventor after: Hu Yanle Inventor after: Pay troops Inventor after: Qi Chunpeng Inventor after: Zhang Bo Inventor after: Bi Yinbo Inventor after: Zou Bo Inventor after: Wang Yucun Inventor after: Gao Huaixue Inventor before: Dang Bin |
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Effective date of registration: 20160721 Address after: 271100 Laiwu, Shandong Province, West Avenue, No. 21, No. Applicant after: LAIWU POWER SUPPLY COMPANY OF STATE GRID SHANDONG ELECTRIC POWER Co. Applicant after: State Grid Corporation of China Address before: 271100 Laiwu, Shandong Province, West Avenue, No. 21, No. Applicant before: LAIWU POWER SUPPLY COMPANY OF STATE GRID SHANDONG ELECTRIC POWER Co. Effective date of registration: 20160721 Address after: 271100 Laiwu, Shandong Province, West Avenue, No. 21, No. Applicant after: LAIWU POWER SUPPLY COMPANY OF STATE GRID SHANDONG ELECTRIC POWER Co. Address before: Mudu Wuzhong District Dangfeng road 215101 Suzhou City, Jiangsu province No. 218 Building 1 room 328 Applicant before: SUZHOU KEMIAO NEW MATERIAL Co.,Ltd. |
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