CN104119650A - Modified dolomite for PET heat shrinkable tube material and preparation method thereof - Google Patents
Modified dolomite for PET heat shrinkable tube material and preparation method thereof Download PDFInfo
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- CN104119650A CN104119650A CN201410314313.4A CN201410314313A CN104119650A CN 104119650 A CN104119650 A CN 104119650A CN 201410314313 A CN201410314313 A CN 201410314313A CN 104119650 A CN104119650 A CN 104119650A
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Abstract
The invention discloses modified dolomite for a PET heat shrinkable tube material and a preparation method thereof. The modified dolomite is prepared from the following raw materials in parts by weight: 60-80 parts of dolomite, 20-30 parts of zircon, 10-15 parts of pitchstone, 10-15 parts of dioctadecyl phthalate, 4-8 parts of glycerol monooleate, 5-10 parts of porous calcium phosphate, 3-6 parts of a coke powder, 7-14 parts of basic magnesium chloride, 4-6 parts of trimethylpropane tricaprylate, 10-15 parts of epoxy linseed oil, 2-4 parts of methyl glucoside sesquistearate, 2.5-4.5 parts of behenoxy dimethicone, 1-2 parts of diphenylamine, 2-3 parts of 1,2,3,4-tetrahydronaphthalene, 1-2 parts of bis-2,2'-methylene-bis-(4,6-di-tert-butylphenyl)phosphite, and 3-4 parts of an auxiliary agent. The prepared modified dolomite has good filling property, dispersity and liquidity, allows the dolomite powder surface alkaline to be changed, reduces shrinkage and internal stress, overcomes the bonding property between dolomite and high polymers, prevents crack spreading, improves the mechanical strength and processability of products, and is an excellent filling agent and reinforcing agent for the PET heat shrinkable tube material.
Description
Technical field
The present invention relates to a kind of PET heat shrinkable pipe material modification dolomite and preparation method thereof, belong to mineral filler technical field.
Background technology
Rhombspar is the double salt of calcium carbonate and magnesiumcarbonate, belongs to the carbonate minerals of trigonal system, and crystal formation is rhombohedron.Rhombspar is as the alternative light calcium carbonate of weighting agent, for the filling of plastics, plastics, thermoplastic elastomer.Along with developing rapidly of matrix material industry, people in adding rhombspar in PET heat shrinkable pipe material, and every physical and mechanical properties that make goods etc. is ensured, in order to meet these requirements, need carry out modification to rhombspar, to improve its over-all properties.
Summary of the invention
The object of the present invention is to provide a kind of PET heat shrinkable pipe material modification dolomite and preparation method thereof, the rhombspar after modification has good fillibility, dispersiveness and mobility.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of PET heat shrinkable pipe material modification dolomite, raw material by following weight part is made: rhombspar 60-80, zircon 20-30, pitchstone 10-15, the two stearyl alcohol ester 10-15 of phthalic acid, XU 61518.10 4-8, porous calcium phosphate 5-10, coke powder 3-6, basic magnesium chloride 7-14, trimethylolpropane tris octanoate 4-6, epoxy linseed oil 10-15, methyl glucoside sesquistearate 2-4, mountain Yu oxygen base polydimethylsiloxane 2.5-4.5, pentanoic 1-2, 1, 2, 3, 4-tetraline 2-3, two 2, 2'-methylene-bis (4, 6-di-tert-butyl-phenyl) phosphorous acid ester 1-2, auxiliary agent 3-4,
The preparation method of described auxiliary agent is as follows: a, get the raw material of following weight part: dawsonite 10-15, barium metaborate 5-10, myo-Inositol hexaphosphate 1-2, Dodecyl Mercaptan dibutyl tin 2-3, Bismuth Subcarbonate 3-5, different tridecanol myristinate 2.5-4.5, benzene sulfonyl Pehanorm 1.5-2.5, copper 8-quinolinolate 0.5-1, resorcinol monobenzoate 4-6, tea-polyphenol 2-3, magnesium sulfate heptahydrate 6-9, sorbitol anhydride monopalmitate 1-2; B, dawsonite, barium metaborate, Bismuth Subcarbonate are mixed, pulverize, cross 150-200 mesh sieve, then add myo-Inositol hexaphosphate, Dodecyl Mercaptan dibutyl tin, copper 8-quinolinolate, different tridecanol myristinate, stir 5-10min, then add remaining raw material, continue to stir 4-6min, dry and obtain described auxiliary agent.
The preparation method of modification dolomite for PET heat shrinkable pipe material of the present invention, comprise the following steps: first rhombspar, zircon, pitchstone are mixed, 840-920 DEG C of calcining 1-2h, be cooled to room temperature, pulverize, after crossing 300-400 mesh sieve, drop in homogenizer, at 150-200 DEG C, stir 5-8min, make material moisture be less than 0.5%; Then material is packed in cold mixer and stir and lower the temperature, in the time that temperature of charge is down to 80-90 DEG C, add porous calcium phosphate, coke powder, basic magnesium chloride, the two stearyl alcohol esters of phthalic acid, XU 61518.10 and mountain Yu oxygen base polydimethylsiloxane, continue to stir 6-12min, temperature of charge is down to 50 DEG C when following in standby, discharging, dries; Finally the material after drying is mixed with remaining raw material, high speed dispersion 4-7min, dries, porphyrize, packaging.
Beneficial effect of the present invention:
The modification dolomite that the present invention makes has good fillibility, dispersiveness and mobility, change ground dolomite surface alkalinty, reduce and shrink and internal stress, overcome the bonding properties between rhombspar and superpolymer, prevent crackle diffusion, the physical strength and the processing characteristics that improve goods are good weighting agent and the strengthening agent of PET heat shrinkable pipe material.
Embodiment
A kind of PET heat shrinkable pipe material modification dolomite, raw material by following weight (kg) is made: rhombspar 70, zircon 20, pitchstone 10, the two stearyl alcohol esters 12 of phthalic acid, XU 61518.10 6, porous calcium phosphate 8, coke powder 4, basic magnesium chloride 11, trimethylolpropane tris octanoate 5, epoxy linseed oil 10, methyl glucoside sesquistearate 3, mountain Yu oxygen base polydimethylsiloxane 3.5, pentanoic 1.5,1,2,3,4-tetraline 2.5, two 2,2'-methylene-bis (4,6-di-tert-butyl-phenyl) phosphorous acid ester 1.5, auxiliary agent 3;
The preparation method of described auxiliary agent is as follows: a, get the raw material of following weight (kg): dawsonite 14, barium metaborate 6, myo-Inositol hexaphosphate 1.5, Dodecyl Mercaptan dibutyl tin 2.5, Bismuth Subcarbonate 4, different tridecanol myristinate 3.5, benzene sulfonyl Pehanorm 2, copper 8-quinolinolate 0.6, resorcinol monobenzoate 5, tea-polyphenol 2, magnesium sulfate heptahydrate 8, sorbitol anhydride monopalmitate 1.5; B, dawsonite, barium metaborate, Bismuth Subcarbonate are mixed, pulverize, cross 150 mesh sieves, then add myo-Inositol hexaphosphate, Dodecyl Mercaptan dibutyl tin, copper 8-quinolinolate, different tridecanol myristinate, stir 7min, then add remaining raw material, continue to stir 5min, dry and obtain described auxiliary agent.
The preparation method of modification dolomite for PET heat shrinkable pipe material, comprise the following steps: first rhombspar, zircon, pitchstone are mixed, 880 DEG C of calcining 1.5h, be cooled to room temperature, pulverize, after crossing 300 mesh sieves, drop in homogenizer, at 180 DEG C, stir 6min, make material moisture be less than 0.5%; Then material is packed in cold mixer and stir and lower the temperature, in the time that temperature of charge is down to 80 DEG C, add porous calcium phosphate, coke powder, basic magnesium chloride, the two stearyl alcohol esters of phthalic acid, XU 61518.10 and mountain Yu oxygen base polydimethylsiloxane, continue to stir 8min, temperature of charge is down to 50 DEG C when following in standby, discharging, dries; Finally the material after drying is mixed with remaining raw material, high speed dispersion 6min, dries, porphyrize, packaging.
The modification dolomite that above-described embodiment makes is as shown in the table for filling the performance test results of PET heat shrinkable pipe material:
The performance test results of the PET heat shrinkable pipe material of the filling-modified rhombspar of table 1
| Project | Common white marble | Rhombspar after modification of the present invention |
| Tensile strength (MPa) | 22.2 | 27.4 |
| Elongation at break (%) | 249 | 282 |
| Thermal distortion (%) | 26 | 15 |
| Impact embrittlement temperature (DEG C) | -35 | -40 |
| 200 DEG C of steady times (min) | 75 | 110 |
| Thermal ageing back draft change rate of strength (%) | -7.6 | -6.1 |
| Elongation at break velocity of variation (%) after thermal ageing | -8.2 | -6.7 |
| Thermal ageing mass loss (g/m 2) | 18.3 | 11.8 |
Claims (2)
1. a PET heat shrinkable pipe material modification dolomite, it is characterized in that, raw material by following weight part is made: rhombspar 60-80, zircon 20-30, pitchstone 10-15, the two stearyl alcohol ester 10-15 of phthalic acid, XU 61518.10 4-8, porous calcium phosphate 5-10, coke powder 3-6, basic magnesium chloride 7-14, trimethylolpropane tris octanoate 4-6, epoxy linseed oil 10-15, methyl glucoside sesquistearate 2-4, mountain Yu oxygen base polydimethylsiloxane 2.5-4.5, pentanoic 1-2, 1, 2, 3, 4-tetraline 2-3, two 2, 2'-methylene-bis (4, 6-di-tert-butyl-phenyl) phosphorous acid ester 1-2, auxiliary agent 3-4,
The preparation method of described auxiliary agent is as follows: a, get the raw material of following weight part: dawsonite 10-15, barium metaborate 5-10, myo-Inositol hexaphosphate 1-2, Dodecyl Mercaptan dibutyl tin 2-3, Bismuth Subcarbonate 3-5, different tridecanol myristinate 2.5-4.5, benzene sulfonyl Pehanorm 1.5-2.5, copper 8-quinolinolate 0.5-1, resorcinol monobenzoate 4-6, tea-polyphenol 2-3, magnesium sulfate heptahydrate 6-9, sorbitol anhydride monopalmitate 1-2; B, dawsonite, barium metaborate, Bismuth Subcarbonate are mixed, pulverize, cross 150-200 mesh sieve, then add myo-Inositol hexaphosphate, Dodecyl Mercaptan dibutyl tin, copper 8-quinolinolate, different tridecanol myristinate, stir 5-10min, then add remaining raw material, continue to stir 4-6min, dry and obtain described auxiliary agent.
2. the preparation method of modification dolomite for PET heat shrinkable pipe material according to claim 1, it is characterized in that comprising the following steps: first rhombspar, zircon, pitchstone are mixed, 840-920 DEG C of calcining 1-2h, be cooled to room temperature, pulverize, after crossing 300-400 mesh sieve, drop in homogenizer, at 150-200 DEG C, stir 5-8min, make material moisture be less than 0.5%; Then material is packed in cold mixer and stir and lower the temperature, in the time that temperature of charge is down to 80-90 DEG C, add porous calcium phosphate, coke powder, basic magnesium chloride, the two stearyl alcohol esters of phthalic acid, XU 61518.10 and mountain Yu oxygen base polydimethylsiloxane, continue to stir 6-12min, temperature of charge is down to 50 DEG C when following in standby, discharging, dries; Finally the material after drying is mixed with remaining raw material, high speed dispersion 4-7min, dries, porphyrize, packaging.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410314313.4A CN104119650B (en) | 2014-07-02 | 2014-07-02 | A kind of PET heat shrinkable pipe material modification dolomite and preparation method thereof |
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| CN201410314313.4A CN104119650B (en) | 2014-07-02 | 2014-07-02 | A kind of PET heat shrinkable pipe material modification dolomite and preparation method thereof |
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| CN104119650A true CN104119650A (en) | 2014-10-29 |
| CN104119650B CN104119650B (en) | 2016-02-24 |
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Citations (7)
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|---|---|---|---|---|
| CN1054241A (en) * | 1990-02-20 | 1991-09-04 | 杨雅光 | Polymer, boron clay magnesia unslacked matrix material and goods thereof |
| CN1312325A (en) * | 2000-02-23 | 2001-09-12 | 味之素株式会社 | Fireretardant thermoplastic resin composition |
| CN1995131A (en) * | 2006-01-03 | 2007-07-11 | 德古萨公司 | Compositions for universal use |
| CN102712766A (en) * | 2009-11-09 | 2012-10-03 | 巴斯夫欧洲公司 | Method for producing shrink films |
| CN102796356A (en) * | 2012-08-27 | 2012-11-28 | 江苏玖川纳米材料科技有限公司 | Production method of PET (polyethylene terephthalate) nucleation reinforcement master batch |
| CN103524936A (en) * | 2013-09-30 | 2014-01-22 | 芜湖航天特种电缆厂 | Aging-resistant PVC cable sheath material and preparation method |
| CN103524800A (en) * | 2013-09-30 | 2014-01-22 | 芜湖航天特种电缆厂 | Bending resistant sheath material for wires and cables, and preparation method thereof |
-
2014
- 2014-07-02 CN CN201410314313.4A patent/CN104119650B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1054241A (en) * | 1990-02-20 | 1991-09-04 | 杨雅光 | Polymer, boron clay magnesia unslacked matrix material and goods thereof |
| CN1312325A (en) * | 2000-02-23 | 2001-09-12 | 味之素株式会社 | Fireretardant thermoplastic resin composition |
| CN1995131A (en) * | 2006-01-03 | 2007-07-11 | 德古萨公司 | Compositions for universal use |
| CN102712766A (en) * | 2009-11-09 | 2012-10-03 | 巴斯夫欧洲公司 | Method for producing shrink films |
| CN102796356A (en) * | 2012-08-27 | 2012-11-28 | 江苏玖川纳米材料科技有限公司 | Production method of PET (polyethylene terephthalate) nucleation reinforcement master batch |
| CN103524936A (en) * | 2013-09-30 | 2014-01-22 | 芜湖航天特种电缆厂 | Aging-resistant PVC cable sheath material and preparation method |
| CN103524800A (en) * | 2013-09-30 | 2014-01-22 | 芜湖航天特种电缆厂 | Bending resistant sheath material for wires and cables, and preparation method thereof |
Non-Patent Citations (1)
| Title |
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| 刘治国等: "白云石矿系列产品开发及应用", 《矿产综合利用》 * |
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Denomination of invention: Modified dolomite for PET heat shrinkable tube material and preparation method thereof Effective date of registration: 20170616 Granted publication date: 20160224 Pledgee: China Co. truction Bank Corp Hefei Luyang branch Pledgor: HEFEI HEAN MACHINERY MANUFACTURING Co.,Ltd. Registration number: 2017340000094 |
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Date of cancellation: 20221125 Granted publication date: 20160224 Pledgee: China Co. truction Bank Corp Hefei Luyang branch Pledgor: HEFEI HEAN MACHINERY MANUFACTURING Co.,Ltd. Registration number: 2017340000094 |
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