CN103102565A - CPE (Chlorinated polyethylene) coated quartz sand modified low-density polyethylene foam material and preparation method thereof - Google Patents
CPE (Chlorinated polyethylene) coated quartz sand modified low-density polyethylene foam material and preparation method thereof Download PDFInfo
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- CN103102565A CN103102565A CN2012104529212A CN201210452921A CN103102565A CN 103102565 A CN103102565 A CN 103102565A CN 2012104529212 A CN2012104529212 A CN 2012104529212A CN 201210452921 A CN201210452921 A CN 201210452921A CN 103102565 A CN103102565 A CN 103102565A
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- quartz sand
- density polyethylene
- foam material
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 229920001684 low density polyethylene Polymers 0.000 title claims abstract description 35
- 239000004702 low-density polyethylene Substances 0.000 title claims abstract description 35
- 239000006004 Quartz sand Substances 0.000 title claims abstract description 33
- 239000006261 foam material Substances 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims description 8
- 239000004709 Chlorinated polyethylene Substances 0.000 title abstract 7
- 229920000092 linear low density polyethylene Polymers 0.000 claims abstract description 10
- 239000004707 linear low-density polyethylene Substances 0.000 claims abstract description 10
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 7
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 claims abstract description 7
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000004698 Polyethylene Substances 0.000 claims abstract description 4
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims abstract description 4
- 235000013539 calcium stearate Nutrition 0.000 claims abstract description 4
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 claims abstract description 4
- -1 polyethylene Polymers 0.000 claims abstract description 4
- 229920000573 polyethylene Polymers 0.000 claims abstract description 4
- 239000004135 Bone phosphate Substances 0.000 claims abstract description 3
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000008116 calcium stearate Substances 0.000 claims abstract description 3
- 238000002156 mixing Methods 0.000 claims description 12
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 238000012986 modification Methods 0.000 claims description 9
- 230000004048 modification Effects 0.000 claims description 9
- 229910000077 silane Inorganic materials 0.000 claims description 9
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 6
- 238000007670 refining Methods 0.000 claims description 6
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 6
- 229920002554 vinyl polymer Polymers 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000006096 absorbing agent Substances 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims description 3
- 239000003153 chemical reaction reagent Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000012153 distilled water Substances 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000012467 final product Substances 0.000 claims description 3
- 238000004898 kneading Methods 0.000 claims description 3
- 229920006173 natural rubber latex Polymers 0.000 claims description 3
- 238000005453 pelletization Methods 0.000 claims description 3
- 229920002401 polyacrylamide Polymers 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000010298 pulverizing process Methods 0.000 claims description 3
- 229920005552 sodium lignosulfonate Polymers 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000032683 aging Effects 0.000 abstract description 2
- 238000005187 foaming Methods 0.000 abstract description 2
- WRXCBRHBHGNNQA-UHFFFAOYSA-N (2,4-dichlorobenzoyl) 2,4-dichlorobenzenecarboperoxoate Chemical compound ClC1=CC(Cl)=CC=C1C(=O)OOC(=O)C1=CC=C(Cl)C=C1Cl WRXCBRHBHGNNQA-UHFFFAOYSA-N 0.000 abstract 1
- NBOCQTNZUPTTEI-UHFFFAOYSA-N 4-[4-(hydrazinesulfonyl)phenoxy]benzenesulfonohydrazide Chemical compound C1=CC(S(=O)(=O)NN)=CC=C1OC1=CC=C(S(=O)(=O)NN)C=C1 NBOCQTNZUPTTEI-UHFFFAOYSA-N 0.000 abstract 1
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 abstract 1
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 abstract 1
- 239000001099 ammonium carbonate Substances 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 abstract 1
- WOXXJEVNDJOOLV-UHFFFAOYSA-N ethenyl-tris(2-methoxyethoxy)silane Chemical compound COCCO[Si](OCCOC)(OCCOC)C=C WOXXJEVNDJOOLV-UHFFFAOYSA-N 0.000 abstract 1
- 229940124543 ultraviolet light absorber Drugs 0.000 abstract 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 abstract 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 abstract 1
- 239000002956 ash Substances 0.000 description 10
- 206010000269 abscess Diseases 0.000 description 3
- 238000000280 densification Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 238000004500 asepsis Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a CPE (chlorinated polyethylene) coated quartz sand modified low-density polyethylene foam material. The low-density polyethylene foam material is prepared from the following raw materials in parts by weight: 60-100 parts of LDPE (low-density polyethylene), 0-40 parts of LLDPE (linear low-density polyethylene), 30-40 parts of CPE, 10-20 parts of quartz sand, 2-3 parts of vinyl tris(beta-methoxyethoxy) silane, 5-10 parts of triphenyl phosphate, 4-6 parts of 4,4'-oxydibenzenesulfonyl hydrazide, 2-3 parts of ammonium bicarbonate, 5-8 parts of n-butyl methacrylate, 1-1.5 parts of 2,4-dichlorobenzoyl peroxide, 2-3 parts of zinc stearate, 1-2 parts of calcium stearate, 1-2 parts of lead sulfate tribasic, 2-3 parts of polyethylene wax, 3-5 parts of modified tree ash, 1-2 parts of ultraviolet light absorber THUV-328 and 2-3 parts of antioxidant 264. The CPE-coated quartz sand modified low-density polyethylene foam material disclosed by the invention is light in weight, soft, high in strength and good in rebound resilience, the foaming effect is ideal, and bubble holes are uniform, small and dense, so that the CPE-coated quartz sand modified low-density polyethylene foam material is good in fire resistance, resistant to chemical corrosion and ageing and is durable in use.
Description
Technical field
The invention belongs to field of high polymer material processing, be specifically related to a kind of CPE and coat quartz sand modified low-density polyethylene foam material and preparation method thereof.
Background technology
The Low Density Polyethylene foam material has excellent physics, chemistry and mechanical property.It is tough, and flexibility is good, and abrasion performance has excellent electrical insulating property, and thermal insulation and chemical resistant properties are widely used in many fields such as packing, chemical industry, building.But the Low Density Polyethylene foam material also exists the shortcomings such as intensity is low, rebound resilience is poor, abscess is inhomogeneous at present, so it is soft that one of developing direction of Low Density Polyethylene foam material is exploitation, flexibility is high, intensity is high, abscess is even, the closed-cell foam grade of tiny densification, simultaneously, each field also proposes corresponding requirement to plastic material fire-retardant.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, a kind of excellent mechanical properties that has is provided, the CPE of good flame resistance and environment-protecting asepsis coats quartz sand modified low-density polyethylene foam material and preparation method thereof.
The technical scheme that the technical solution used in the present invention adopts is as follows:
a kind of CPE coats quartz sand modified low-density polyethylene foam material, raw material by following weight part is made: LDPE 60-100, LLDPE 0-40, CPE 30-40, quartz sand 10-20, vinyl three ('beta '-methoxy oxyethyl group) silane 2-3, triphenylphosphate 5-10, 4, 4'-OBSH 4-6, bicarbonate of ammonia 2-3, n-BMA 5-8, 2, 4-dichlorobenzoperoxide 1-1.5, Zinic stearas 2-3, calcium stearate 1-2, lead sulfate tribasic 1-2, polyethylene wax 2-3, modification trees ash 3-5, UV light absorber THUV-328 1-2, antioxidant 264 2-3.
Described modification trees ash is made by following methods: first boil trees ash 20-30min with the 10-15% sodium hydroxide solution, use again distilled water rinsing Ex-all alkali, be placed in the drying in oven of 110-120 ℃, add the Silane coupling reagent KH-570 that is equivalent to trees ash weight 2-3%, the natural rubber latex of 2-3%, the sodium lignosulfonate of 3-4%, the polyacrylamide of 4-6%, stir 2-3h 100-110 ℃ of water-bath high speed, oven dry, pulverizing grinds to form ultrafine powder and gets final product.
The total weight parts of described LDPE and LLDPE is 100.
CPE coats the preparation method of quartz sand modified low-density polyethylene foam material, comprises the following steps:
(1) will add in the high-speed kneading machine with vinyl three ('beta '-methoxy oxyethyl group) silane after the quartz sand drying, speed with 500-800rpm under 110-120 ℃ mixes 20-30min, add again CPE speed melt blending 10-20min with 1000-1500rpm under 100-110 ℃, compound is moved into extruding pelletization in forcing machine, be cooled to normal temperature and namely get the quartz sand particle that CPE coats, standby;
(2) quartz sand particle with LDPE, LLDPE and the above-mentioned CPE coating that makes adds in Banbury mixer together, mixing 5-8min under 100-110 ℃, then add successively triphenylphosphate, 4, the remaining raw material such as 4'-OBSH, bicarbonate of ammonia continues mixing 10-15min discharging;
(3) above-mentioned material after mixing is moved into rapidly in open refining broken-(down)rubber machine thin refining 2-5 time, thickness 5-8mm, temperature is controlled at 95-105 ℃, then is cut into the sheet stock of required size, weighing;
(4) appropriate sheet stock is added in the mould of preheating, is forced into 8-10MPa at ℃ temperature of 160-170 on vulcanizing press, pressurize 10-15min removes foam, is cooled to normal temperature and namely gets CPE coating quartz sand modified low-density polyethylene foam material of the present invention.
Beneficial effect of the present invention:
The present invention is by carrying out modification to the trees ash, obviously improved the interface binding intensity of trees ash with Low Density Polyethylene, under external force, modification trees grey particle plays the effect of bearing stress and dispersive stress effectively in foam material, and bring out matrix resin generation plastic deformation, thereby the mechanical properties such as tensile strength, shock strength and modulus in flexure of foam material have been improved.The present invention utilizes CPE to coat Modified Quartz Sand by to formula adjustment and process modification, can obviously improve quartz sand and poly consistency, thereby improves physical strength and the hardness of foam material.CPE that the present invention produces coats that quartz sand modified low-density polyethylene foam material light weight is soft, intensity is high, rebound resilience good, and foaming effect is desirable, abscess is even, tiny densification, good flame resistance, and resistance to chemical attack is ageing-resistant, durable in use.
Embodiment
Embodiment
a kind of CPE coats quartz sand modified low-density polyethylene foam material, raw material by following weight part is made: 68 parts of LDPE, 32 parts of LLDPE, 35 parts of CPE, 16 parts of quartz sands, 3 parts, vinyl three ('beta '-methoxy oxyethyl group) silane, 7 parts of triphenylphosphates, 4, 5 parts of 4'-OBSH, 3 parts, bicarbonate of ammonia, 6 parts of n-BMAs, 2, 1.5 parts of 4-dichlorobenzoperoxides, 3 parts of Zinic stearass, 1.5 parts of calcium stearates, 1.5 parts of lead sulfate tribasics, 3 parts of polyethylene waxs, 4 parts of modification trees ashes, 1.5 parts of UV light absorber THUV-328, 2.5 parts of antioxidant 264s.
Wherein, described modification trees ash is made by following methods: first boil trees ash 25min with 12% sodium hydroxide solution, use again distilled water rinsing Ex-all alkali, be placed in the drying in oven of 115 ℃, add the Silane coupling reagent KH-570 that is equivalent to trees ash weight 3%, 2.5% natural rubber latex, 3% sodium lignosulfonate, 4% polyacrylamide, stir 3h 105 ℃ of water-bath high speeds, oven dry, pulverizing grinds to form ultrafine powder and gets final product.
CPE coats the preparation method of quartz sand modified low-density polyethylene foam material, comprises the following steps:
(1) will add in the high-speed kneading machine with vinyl three ('beta '-methoxy oxyethyl group) silane after the quartz sand drying, speed with 600rpm under 115 ℃ mixes 25min, add again CPE speed melt blending 18min with 1200rpm under 105 ℃, compound is moved into extruding pelletization in forcing machine, be cooled to normal temperature and namely get the quartz sand particle that CPE coats, standby;
(2) quartz sand particle with LDPE, LLDPE and the above-mentioned CPE coating that makes adds in Banbury mixer together, mixing 6min under 110 ℃, then add successively triphenylphosphate, 4, the remaining raw material such as 4'-OBSH, bicarbonate of ammonia continues mixing 12min discharging;
(3) above-mentioned material after mixing is moved into rapidly in open refining broken-(down)rubber machine thin refining 4 times, thickness 6mm, temperature is controlled at 98 ℃, then is cut into the sheet stock of required size, weighing;
(4) appropriate sheet stock is added in the mould of preheating, in being forced into 8MPa at 165 ℃ of temperature on vulcanizing press, pressurize 10min removes foam, is cooled to normal temperature and namely gets CPE coating quartz sand modified low-density polyethylene foam material of the present invention.
The performance test of the CPE coating quartz sand modified low-density polyethylene foam material that the present embodiment is produced is as shown in the table:
| Test item | Result |
| Tensile strength (MPa) | 5.6 |
| Impact rebound degree (%) | 46 |
| Tear strength (kNm -1） | 128 |
| Elongation at break (%) | 196 |
| Compression set (%) | 22.3 |
Claims (4)
1. a CPE coats quartz sand modified low-density polyethylene foam material, it is characterized in that, raw material by following weight part is made: LDPE 60-100, LLDPE 0-40, CPE 30-40, quartz sand 10-20, vinyl three ('beta '-methoxy oxyethyl group) silane 2-3, triphenylphosphate 5-10, 4, 4'-OBSH 4-6, bicarbonate of ammonia 2-3, n-BMA 5-8, 2, 4-dichlorobenzoperoxide 1-1.5, Zinic stearas 2-3, calcium stearate 1-2, lead sulfate tribasic 1-2, polyethylene wax 2-3, modification trees ash 3-5, UV light absorber THUV-328 1-2, antioxidant 264 2-3.
2. CPE according to claim 1 coats quartz sand modified low-density polyethylene foam material, it is characterized in that, described modification trees ash is made by following methods: first boil trees ash 20-30min with the 10-15% sodium hydroxide solution, use again distilled water rinsing Ex-all alkali, be placed in the drying in oven of 110-120 ℃, add the Silane coupling reagent KH-570 that is equivalent to trees ash weight 2-3%, the natural rubber latex of 2-3%, the sodium lignosulfonate of 3-4%, the polyacrylamide of 4-6%, stir 2-3h 100-110 ℃ of water-bath high speed, oven dry, pulverizing grinds to form ultrafine powder and gets final product.
3. CPE according to claim 1 coats the preparation method of quartz sand modified low-density polyethylene foam material, it is characterized in that, the total weight parts of described LDPE and LLDPE is 100.
4. a CPE as claimed in claim 1 coats the preparation method of quartz sand modified low-density polyethylene foam material, it is characterized in that comprising the following steps:
(1) will add in the high-speed kneading machine with vinyl three ('beta '-methoxy oxyethyl group) silane after the quartz sand drying, speed with 500-800rpm under 110-120 ℃ mixes 20-30min, add again CPE speed melt blending 10-20min with 1000-1500rpm under 100-110 ℃, compound is moved into extruding pelletization in forcing machine, be cooled to normal temperature and namely get the quartz sand particle that CPE coats, standby;
(2) quartz sand particle with LDPE, LLDPE and the above-mentioned CPE coating that makes adds in Banbury mixer together, mixing 5-8min under 100-110 ℃, then add successively triphenylphosphate, 4, the remaining raw material such as 4'-OBSH, bicarbonate of ammonia continues mixing 10-15min discharging;
(3) above-mentioned material after mixing is moved into rapidly in open refining broken-(down)rubber machine thin refining 2-5 time, thickness 5-8mm, temperature is controlled at 95-105 ℃, then is cut into the sheet stock of required size, weighing;
(4) appropriate sheet stock is added in the mould of preheating, is forced into 8-10MPa at ℃ temperature of 160-170 on vulcanizing press, pressurize 10-15min removes foam, is cooled to normal temperature and namely gets CPE coating quartz sand modified low-density polyethylene foam material of the present invention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210452921.2A CN103102565B (en) | 2012-11-13 | 2012-11-13 | Coated quartz sand modified low-density polyethylene expanded material of a kind of CPE and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210452921.2A CN103102565B (en) | 2012-11-13 | 2012-11-13 | Coated quartz sand modified low-density polyethylene expanded material of a kind of CPE and preparation method thereof |
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| Publication Number | Publication Date |
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| CN103102565A true CN103102565A (en) | 2013-05-15 |
| CN103102565B CN103102565B (en) | 2016-05-04 |
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| CN201210452921.2A Expired - Fee Related CN103102565B (en) | 2012-11-13 | 2012-11-13 | Coated quartz sand modified low-density polyethylene expanded material of a kind of CPE and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103600547A (en) * | 2013-10-16 | 2014-02-26 | 鲁奎 | Agricultural deinsectization film |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101245159A (en) * | 2008-03-28 | 2008-08-20 | 天津市润达塑料包装有限公司 | Process for manufacturing polyolefin foaming particle material |
| CN101735503A (en) * | 2009-12-18 | 2010-06-16 | 金发科技股份有限公司 | Foamable flame resistance polyethylene composite material and preparation method thereof |
-
2012
- 2012-11-13 CN CN201210452921.2A patent/CN103102565B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101245159A (en) * | 2008-03-28 | 2008-08-20 | 天津市润达塑料包装有限公司 | Process for manufacturing polyolefin foaming particle material |
| CN101735503A (en) * | 2009-12-18 | 2010-06-16 | 金发科技股份有限公司 | Foamable flame resistance polyethylene composite material and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103600547A (en) * | 2013-10-16 | 2014-02-26 | 鲁奎 | Agricultural deinsectization film |
| CN103600547B (en) * | 2013-10-16 | 2016-04-27 | 鲁奎 | A kind of Agricultural deinsectization film |
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| CN103102565B (en) | 2016-05-04 |
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