CN103102565B - Coated quartz sand modified low-density polyethylene expanded material of a kind of CPE and preparation method thereof - Google Patents
Coated quartz sand modified low-density polyethylene expanded material of a kind of CPE and preparation method thereof Download PDFInfo
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- CN103102565B CN103102565B CN201210452921.2A CN201210452921A CN103102565B CN 103102565 B CN103102565 B CN 103102565B CN 201210452921 A CN201210452921 A CN 201210452921A CN 103102565 B CN103102565 B CN 103102565B
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- Prior art keywords
- quartz sand
- cpe
- density polyethylene
- expanded material
- modified low
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 239000006004 Quartz sand Substances 0.000 title claims abstract description 29
- 229920001684 low density polyethylene Polymers 0.000 title claims abstract description 29
- 239000004702 low-density polyethylene Substances 0.000 title claims abstract description 29
- 239000000463 material Substances 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims description 7
- 238000012986 modification Methods 0.000 claims abstract description 10
- 230000004048 modification Effects 0.000 claims abstract description 10
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910000077 silane Inorganic materials 0.000 claims abstract description 8
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims abstract description 7
- 229920002554 vinyl polymer Polymers 0.000 claims abstract description 7
- 229920000092 linear low density polyethylene Polymers 0.000 claims abstract description 6
- 239000004707 linear low-density polyethylene Substances 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 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 5
- 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 4
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 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
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims abstract description 4
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims abstract description 4
- 239000004135 Bone phosphate Substances 0.000 claims abstract description 3
- 239000008116 calcium stearate Substances 0.000 claims abstract description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract 3
- 238000002156 mixing Methods 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 7
- 238000007670 refining Methods 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 claims description 3
- 239000012153 distilled water Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000004898 kneading Methods 0.000 claims description 3
- 238000005453 pelletization Methods 0.000 claims description 3
- 229920002401 polyacrylamide Polymers 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000007822 coupling agent Substances 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 206010000269 abscess Diseases 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000032683 aging Effects 0.000 abstract description 2
- 238000000280 densification Methods 0.000 abstract description 2
- 238000005187 foaming Methods 0.000 abstract description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 230000035882 stress Effects 0.000 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 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 238000004500 asepsis Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The invention discloses the coated quartz sand modified low-density polyethylene expanded material of a kind of CPE, is raw material by following weight portion made: LDPE? 60-100, LLDPE? 0-40, CPE? 30-40, quartz sand 10-20, vinyl three ('beta '-methoxy ethyoxyl) silane 2-3, triphenyl phosphate 5-10, 4, 4 ˊ-OBSH 4-6, carbonic hydroammonium 2-3, n-BMA 5-8, 2, 4-dichlorobenzoperoxide 1-1.5, zinc stearate 2-3, calcium stearate 1-2, lead sulfate tribasic 1-2, Tissuemat E 2-3, modification trees ash 3-5, ultra-violet absorber THUV-328? 1-2, antioxidant 264? 2-3. the CPE that the present invention produces is coated quartz sand modified low-density polyethylene expanded material light weight softness, intensity is high, resilience good, foaming effect ideal, even, the tiny densification of abscess, good flame resistance, and resistance to chemical attack, ageing-resistant, durable in use.
Description
Technical field
The invention belongs to field of high polymer material processing, be specifically related to the poly-second of the coated quartz sand modified low-density of a kind of CPEAlkene expanded material and preparation method thereof.
Background technology
Low density polyethylene (LDPE) expanded material has excellent physics, chemistry and mechanical property. It is tough, and flexibility is good, resistance toAbrasion, have excellent electrical insulating property, and thermal insulation and chemical resistance, be widely used in many fields such as packaging, chemical industry, building.But low density polyethylene (LDPE) expanded material also exists the shortcomings such as intensity is low, resilience is poor, abscess is inhomogeneous at present, so low closeOne of developing direction of degree polyethylene foam-material is that exploitation is soft, and flexibility is high, and intensity is high, and abscess is even, tiny densificationClosed-cell foam grade, meanwhile, 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, provide one to there is excellent mechanical properties, good flame resistanceAnd coated quartz sand modified low-density polyethylene expanded material of the CPE of environment-protecting asepsis and preparation method thereof.
The technical scheme that the technical solution used in the present invention adopts is as follows:
The coated quartz sand modified low-density polyethylene expanded material of a kind of CPE, is made up of the raw material of following weight portion: LDPE60-100, LLDPE0-40, CPE30-40, quartz sand 10-20, vinyl three ('beta '-methoxy ethyoxyl) silane 2-3, phosphoric acidTriphenylmethyl methacrylate 5-10,4,4'-OBSH 4-6, carbonic hydroammonium 2-3, n-BMA 5-8,2,4-dichloroBenzoyl peroxide 1-1.5, zinc stearate 2-3, calcium stearate 1-2, lead sulfate tribasic 1-2, Tissuemat E 2-3, modification treeWood ash 3-5, ultra-violet absorber THUV-3281-2, antioxidant 264 2-3.
Described modification trees ash is made by following methods: first boil trees ash 20-with 10-15% sodium hydroxide solution30min, then use distilled water rinsing Ex-all alkali, be placed in the drying in oven of 110-120 DEG C, add and be equivalent to trees ash weight 2-The sodium lignin sulfonate of 3% Silane coupling reagent KH-570, the Heveatex of 2-3%, 3-4%, the polyacrylamide of 4-6%,100-110 DEG C of water-bath high speed stirs 2-3h, dries, and pulverizes and grinds to form superfines.
Described LDPE and the total weight parts of LLDPE are 100.
The preparation method of the coated quartz sand modified low-density polyethylene expanded material of CPE, comprises the following steps:
(1) quartz sand is afterwards dry and vinyl three ('beta '-methoxy ethyoxyl) silane adds in high-speed kneading machine,Speed with 500-800rpm at 110-120 DEG C is uniformly mixed 20-30min, then add CPE at 100-110 DEG C with 1000-The speed melt blending 10-20min of 1500rpm, moves into extruding pelletization in extruder by compound, is cooled to normal temperature and obtains CPECoated quartz sand particle, for subsequent use;
(2) together with quartz sand particle coated with the above-mentioned CPE making to LDPE, LLDPE, add in banbury, at 100-Mixing 5-8min at 110 DEG C, then adds triphenyl phosphate, 4 successively, and 4'-OBSH, carbonic hydroammonium etc. are remaining formerMaterial continues mixing 10-15min discharging;
(3) above-mentioned material after mixing is moved into rapidly to thin refining 2-5 time in open refining broken-down rubber machine, thickness 5-8mm, temperatureDegree is controlled at 95-105 DEG C, is then cut into the sheet stock of required size, weighs;
(4) appropriate sheet stock is added in the mould of preheating, on vulcanizing press, at 160-170 DEG C of temperature, is forced into 8-10MPa, pressurize 10-15min, removes foam, is cooled to normal temperature and obtains the coated quartz sand modified low-density polyethylene of CPE of the present inventionExpanded material.
Beneficial effect of the present invention:
The present invention, by trees ash is carried out to modification, has obviously improved trees ash strong with the interface bonding of low density polyethylene (LDPE)Degree, under external force, modification trees grey particle effectively plays the effect of bearing stress and dispersive stress in expanded material,And bring out matrix resin generation plastic deformation, thereby hot strength, impact strength and the bending modulus of expanded material are improvedEtc. mechanical property. The present invention, by formula is adjusted and process modification, utilizes CPE to be coated Modified Quartz Sand, can obviously improveQuartz sand and poly compatibility, thereby mechanical strength and the hardness of raising expanded material. The CPE bag that the present invention producesCover quartz sand modified low-density polyethylene expanded material light weight softness, intensity is high, resilience good, foaming effect ideal, abscess are equalEven, tiny densification, good flame resistance, resistance to chemical attack, ageing-resistant, durable in use.
Detailed description of the invention
Embodiment
The coated quartz sand modified low-density polyethylene expanded material of a kind of CPE, is made up of the raw material of following weight portion: LDPE68 parts, LLDPE32 part, CPE35 part, 16 parts of quartz sands, 3 parts, vinyl three ('beta '-methoxy ethyoxyl) silane, phosphoric acid triphen7 parts of esters, 4,6 parts of 5 parts of 4'-OBSHs, 3 parts, carbonic hydroammonium, n-BMA, 2,4-dichloro benzoyl peroxideFormyl chloride-1 .5 part, 3 parts of zinc stearates, 1.5 parts of calcium stearates, 1.5 parts of lead sulfate tribasics, 3 parts of Tissuemat Es, modification trees ash 42.5 parts of parts, ultra-violet absorber THUV-3281.5 part, antioxidant 264.
Wherein, described modification trees ash is made by following methods: first boil trees ash with 12% sodium hydroxide solution25min, then use distilled water rinsing Ex-all alkali, be placed in the drying in oven of 115 DEG C, add the silane that is equivalent to trees ash weight 3%Coupling agent kh-570,2.5% Heveatex, 3% sodium lignin sulfonate, 4% polyacrylamide, 105 DEG C of water-bath high speedsStir 3h, dry, pulverize and grind to form superfines.
The preparation method of the coated quartz sand modified low-density polyethylene expanded material of CPE, comprises the following steps:
(1) quartz sand is afterwards dry and vinyl three ('beta '-methoxy ethyoxyl) silane adds in high-speed kneading machine, 115Speed with 600rpm at DEG C is uniformly mixed 25min, then adds CPE speed melt blending with 1200rpm at 105 DEG C18min, moves into extruding pelletization in extruder by compound, is cooled to normal temperature and obtains the coated quartz sand particle of CPE, for subsequent use;
(2) together with quartz sand particle coated with the above-mentioned CPE making to LDPE, LLDPE, add in banbury, 110Mixing 6min at DEG C, then adds triphenyl phosphate, 4 successively, and the remaining raw materials such as 4'-OBSH, carbonic hydroammonium continueContinuous mixing 12min discharging;
(3) above-mentioned material after mixing is moved into rapidly in open refining broken-down rubber machine to thin refining 4 times, thickness 6mm, temperature controlBuilt in 98 DEG C, be then cut into the sheet stock of required size, weigh;
(4) appropriate sheet stock is added in the mould of preheating, on vulcanizing press, at 165 DEG C of temperature, is forced into 8MPa, protectPress 10min, remove foam, be cooled to normal temperature and obtain the coated quartz sand modified low-density polyethylene expanded material of CPE of the present invention.
The performance test of the coated quartz sand modified low-density polyethylene expanded material of CPE that the present embodiment is produced is as followsShown in table:
| Test item | Result |
| Hot strength (MPa) | 5.6 2 --> |
| Impact rebound degree (%) | 46 |
| Tearing strength (kNm-1） | 128 |
| Elongation at break (%) | 196 |
| Compression set (%) | 22.3 |
Claims (3)
1. the coated quartz sand modified low-density polyethylene expanded material of CPE, is characterized in that, by the raw material of following weight portionMake: LDPE60-100, LLDPE0-40, CPE30-40, quartz sand 10-20, vinyl three ('beta '-methoxy ethyoxyl) siliconAlkane 2-3, triphenyl phosphate 5-10,4,4'-OBSH 4-6, carbonic hydroammonium 2-3, n-BMA 5-8,2,4-dichlorobenzoperoxide 1-1.5, zinc stearate 2-3, calcium stearate 1-2, lead sulfate tribasic 1-2, Tissuemat E2-3, modification trees ash 3-5, ultra-violet absorber THUV-3281-2, antioxidant 264 2-3;
Described modification trees ash is made by following methods: first boil trees ash 20-30min with 10-15% sodium hydroxide solution,Use again distilled water rinsing Ex-all alkali, be placed in the drying in oven of 110-120 DEG C, add the silicon that is equivalent to trees ash weight 2-3%The polyacrylamide of the Heveatex of alkane coupling agent kh-570,2-3%, the sodium lignin sulfonate of 3-4%, 4-6%, at 100-110 DEG CWater-bath high speed stirs 2-3h, dries, and pulverizes and grinds to form superfines.
2. the coated quartz sand modified low-density polyethylene expanded material of CPE according to claim 1, is characterized in that instituteThe LDPE stating and the total weight parts of LLDPE are 100.
3. a preparation method for the coated quartz sand modified low-density polyethylene expanded material of CPE as claimed in claim 1, itsBe characterised in that and comprise the following steps:
(1) quartz sand is afterwards dry and vinyl three ('beta '-methoxy ethyoxyl) silane adds in high-speed kneading machine, at 110-120Speed with 500-800rpm at DEG C is uniformly mixed 20-30min, then add CPE at 100-110 DEG C with 1000-1500rpm'sSpeed melt blending 10-20min, moves into extruding pelletization in extruder by compound, is cooled to normal temperature and obtains the coated quartz of CPESand particle, for subsequent use;
(2) together with quartz sand particle coated with the above-mentioned CPE making to LDPE, LLDPE, add in banbury, at 100-110Mixing 5-8min at DEG C, then adds the remaining raw materials such as triphenyl phosphate, 4,4'-OBSH, carbonic hydroammonium successivelyContinue mixing 10-15min discharging;
(3) above-mentioned material after mixing is moved into rapidly to thin refining 2-5 time in open refining broken-down rubber machine, thickness 5-8mm, temperature controlBuilt in 95-105 DEG C, be then cut into the sheet stock of required size, weigh;
(4) appropriate sheet stock is added in the mould of preheating, on vulcanizing press, at 160-170 DEG C of temperature, is forced into 8-10MPa,Pressurize 10-15min, removes foam, is cooled to normal temperature and obtains the coated quartz sand modified low-density polyethylene expanded material of CPE.
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 |
|---|---|
| CN103102565A CN103102565A (en) | 2013-05-15 |
| CN103102565B true 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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| CN103600547B (en) * | 2013-10-16 | 2016-04-27 | 鲁奎 | A kind of Agricultural deinsectization film |
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| 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 |
| CN101735503B (en) * | 2009-12-18 | 2012-05-30 | 金发科技股份有限公司 | Foamable flame resistance polyethylene composite material and preparation method thereof |
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