CN104231318A - Modified attapulgite for anti-impact power cable insulating jacket material and preparation method thereof - Google Patents
Modified attapulgite for anti-impact power cable insulating jacket material and preparation method thereof Download PDFInfo
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- CN104231318A CN104231318A CN201410415586.8A CN201410415586A CN104231318A CN 104231318 A CN104231318 A CN 104231318A CN 201410415586 A CN201410415586 A CN 201410415586A CN 104231318 A CN104231318 A CN 104231318A
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Abstract
The invention discloses modified attapulgite for an anti-impact power cable insulating jacket material and a preparation method thereof. The modified attapulgite is prepared from the following raw materials in parts by weight: 56-74 parts of attapulgite, 10-15 parts of terminal carboxyl liquid nitrile rubber, 2-3 parts of 2-ethyl-4-methyl imidazole, 3-5 parts of trimethylolpropane coconut oil ester, 5-10 parts of magnesium hydroxide whiskers, 15-25 parts of beta-crystal form polypropylene, 5-10 parts of boron phosphate, 7-14 parts of dipropylene glycol dibenzoate, 6-12 parts of lac, 5-10 parts of diethylene glycol distearate, 1-2 parts of 4, 4'-dihydroxybiphenyl, 2-4 parts of acetyl butyl ricinoleate, 1.5-2.5 parts of copper 2-ethylhexanoate and 4-6 parts of auxiliaries. The surface property of the modified attapulgite disclosed by the invention is switched from hydrophilicity to hydrophobicity, is good in compatibility with organic high polymer matrixes and good in dispersibility in the organic high polymer matrixes and can be used for remarkably improving the filling performance and the reinforcing effect of the attapulgite, so that the physical and chemical properties of a composite material are improved. The modified attapulgite disclosed by the invention has an important economic benefit.
Description
Technical field
The present invention relates to a kind of shock resistance power cable insulation sheath material modified attapulgite and preparation method thereof, belong to mineral filler technical field.
Background technology
Attapulgite be a kind of tool chain laminate structure containing Shuifu County's magnesium silicate clay mineral, there is special fibrous crystalline structure and the performance such as excellent rheological, fillibility and mechanical stability, thermostability, anti-salt, weathering, be widely used in the inorganic reinforcing filler of the polymer composites materials such as plastics, rubber.But consistency is poor between existing attapulgite and organic polymer, be difficult in superpolymer dispersed, cause filling effect undesirable.Therefore, certain modification must be carried out to it.
Summary of the invention
The object of the invention is to provide a kind of shock resistance power cable insulation sheath material modified attapulgite and preparation method thereof, improves the consistency between attapulgite and organic polymer matrix.
For achieving the above object, the present invention adopts following technical scheme:
A kind of shock resistance power cable insulation sheath material modified attapulgite, be made up of the raw material of following weight part: attapulgite 56-74, carboxyl end of the liquid acrylonitrile-butadiene rubber 10-15,2-ethyl-4-methylimidazole 2-3, TriMethylolPropane(TMP) cocounut oil acid esters 3-5, alkali magnesium sulfate crystal whisker 5-10, Beta-crystalline polyacrylic 15-25, borophosphoric acid 5-10, dibenzoic acid dimerization propylene glycol ester 7-14, lac 6-12, distearyl acid glycol ether diester 5-10,4,4' dihydroxy diphenyl 1-2, acetylricinoleate alcohol acid butyl ester 2-4,2 ethyl hexanoic acid copper 1.5-2.5, auxiliary agent 4-6;
Described auxiliary agent is mixed by the raw material of following weight part: 2-(2H-benzotriazole-2-base) p-cresol 2-3, isocaprylic acid zinc 0.5-1, two (2,4-di-tert-butyl-phenyl) pentaerythritol diphosphites 1-2, Tert. Butyl Hydroquinone 1.5-2.5, barium fluoride 3-5, anisoyl chloride 2-3, tantalum disulfide 4-6, vinyl ferrocene 2-3, trilaurin 1.5-2.5, BEMT 1-2.
The preparation method of shock resistance power cable insulation sheath material modified attapulgite of the present invention, comprises the following steps: first attapulgite is crushed to the ultrafine powder that mean particle size is 1-3 μm, then mixes with alkali magnesium sulfate crystal whisker, borophosphoric acid, then drop into together in high-speed mixer, add acetylricinoleate alcohol acid butyl ester, distearyl acid glycol ether diester, TriMethylolPropane(TMP) cocounut oil acid esters, when 1500-2000r/min high-speed mixing to material temperature reaches 70-80 DEG C, add Beta-crystalline polyacrylic, carboxyl end of the liquid acrylonitrile-butadiene rubber, 2-ethyl-4-methylimidazole, dibenzoic acid dimerization propylene glycol ester, when 1000-1500r/min high-speed mixing to material temperature reaches 85-95 DEG C, add remaining raw material, when 500-1000r/min high-speed mixing to material temperature reaches 95-105 DEG C, then transport material in cold mixer, be cooled to 30-40 DEG C, discharging, dry, pulverize, sieve, pack.
Beneficial effect of the present invention:
The surface properties of the attapulgite that the present invention is modified becomes hydrophobicity from wetting ability, good with the consistency of organic polymer matrix, dispersiveness in organic polymer matrix obviously strengthens, filling properties and the reinforcing effect of attapulgite can be significantly improved, thus improve the physical and chemical performance of matrix material, there is important economic benefit.
Embodiment
A kind of shock resistance power cable insulation sheath material modified attapulgite, be made up of the raw material of following weight (kg): attapulgite 66, carboxyl end of the liquid acrylonitrile-butadiene rubber 12,2-ethyl-4-methylimidazole 2.5, TriMethylolPropane(TMP) cocounut oil acid esters 4, alkali magnesium sulfate crystal whisker 8, Beta-crystalline polyacrylic 20, borophosphoric acid 8, dibenzoic acid dimerization propylene glycol ester 11, lac 9, distearyl acid glycol ether diester 8,4,4' dihydroxy diphenyl 1.5, acetylricinoleate alcohol acid butyl ester 3,2 ethyl hexanoic acid copper 2, auxiliary agent 5;
Described auxiliary agent is mixed by the raw material of following weight (kg): 2-(2H-benzotriazole-2-base) p-cresol 2.5, isocaprylic acid zinc 0.8, two (2,4-di-tert-butyl-phenyl) pentaerythritol diphosphites 1.5, Tert. Butyl Hydroquinone 2, barium fluoride 4, anisoyl chloride 2.5, tantalum disulfide 5, vinyl ferrocene 2.5, trilaurin 2, BEMT 1.5.
The preparation method of shock resistance power cable insulation sheath material modified attapulgite, comprises the following steps: first attapulgite is crushed to the ultrafine powder that mean particle size is 1-3 μm, then mixes with alkali magnesium sulfate crystal whisker, borophosphoric acid, then drop into together in high-speed mixer, add acetylricinoleate alcohol acid butyl ester, distearyl acid glycol ether diester, TriMethylolPropane(TMP) cocounut oil acid esters, when 1500-2000r/min high-speed mixing to material temperature reaches 70-80 DEG C, add Beta-crystalline polyacrylic, carboxyl end of the liquid acrylonitrile-butadiene rubber, 2-ethyl-4-methylimidazole, dibenzoic acid dimerization propylene glycol ester, when 1000-1500r/min high-speed mixing to material temperature reaches 85-95 DEG C, add remaining raw material, when 500-1000r/min high-speed mixing to material temperature reaches 95-105 DEG C, then transport material in cold mixer, be cooled to 30-40 DEG C, discharging, dry, pulverize, sieve, pack.
The modified attapulgite that above-described embodiment obtains is as shown in the table for the performance test results of filling shock resistance power cable insulation sheath material:
The performance test results of the shock resistance power cable insulation sheath material of the filling-modified attapulgite of table 1
Claims (2)
1. a shock resistance power cable insulation sheath material modified attapulgite, it is characterized in that, be made up of the raw material of following weight part: attapulgite 56-74, carboxyl end of the liquid acrylonitrile-butadiene rubber 10-15, 2-ethyl-4-methylimidazole 2-3, TriMethylolPropane(TMP) cocounut oil acid esters 3-5, alkali magnesium sulfate crystal whisker 5-10, Beta-crystalline polyacrylic 15-25, borophosphoric acid 5-10, dibenzoic acid dimerization propylene glycol ester 7-14, lac 6-12, distearyl acid glycol ether diester 5-10, 4, 4'-dihydroxybiphenyl 1-2, acetylricinoleate alcohol acid butyl ester 2-4, 2 ethyl hexanoic acid copper 1.5-2.5, auxiliary agent 4-6,
Described auxiliary agent is mixed by the raw material of following weight part: 2-(2H-benzotriazole-2-base) p-cresol 2-3, isocaprylic acid zinc 0.5-1, two (2,4-di-tert-butyl-phenyl) pentaerythritol diphosphites 1-2, Tert. Butyl Hydroquinone 1.5-2.5, barium fluoride 3-5, anisoyl chloride 2-3, tantalum disulfide 4-6, vinyl ferrocene 2-3, trilaurin 1.5-2.5, BEMT 1-2.
2. the preparation method of a shock resistance power cable insulation sheath material modified attapulgite as claimed in claim 1, it is characterized in that comprising the following steps: first attapulgite is crushed to the ultrafine powder that mean particle size is 1-3 μm, then mixes with alkali magnesium sulfate crystal whisker, borophosphoric acid, then drop into together in high-speed mixer, add acetylricinoleate alcohol acid butyl ester, distearyl acid glycol ether diester, TriMethylolPropane(TMP) cocounut oil acid esters, when 1500-2000r/min high-speed mixing to material temperature reaches 70-80 DEG C, add Beta-crystalline polyacrylic, carboxyl end of the liquid acrylonitrile-butadiene rubber, 2-ethyl-4-methylimidazole, dibenzoic acid dimerization propylene glycol ester, when 1000-1500r/min high-speed mixing to material temperature reaches 85-95 DEG C, add remaining raw material, when 500-1000r/min high-speed mixing to material temperature reaches 95-105 DEG C, then transport material in cold mixer, be cooled to 30-40 DEG C, discharging, dry, pulverize, sieve, pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410415586.8A CN104231318A (en) | 2014-08-21 | 2014-08-21 | Modified attapulgite for anti-impact power cable insulating jacket material and preparation method thereof |
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| CN201410415586.8A CN104231318A (en) | 2014-08-21 | 2014-08-21 | Modified attapulgite for anti-impact power cable insulating jacket material and preparation method thereof |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102746593A (en) * | 2012-06-07 | 2012-10-24 | 安徽胜华电缆集团有限公司 | Nitrile rubber insulation flat cable material and preparation method |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102746593A (en) * | 2012-06-07 | 2012-10-24 | 安徽胜华电缆集团有限公司 | Nitrile rubber insulation flat cable material and preparation method |
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Application publication date: 20141224 |