CN103059396A - Polyethylene/CPE (Chlorinated Polyethylene) coating coconut husk powder particle blending foaming material and preparation method thereof - Google Patents
Polyethylene/CPE (Chlorinated Polyethylene) coating coconut husk powder particle blending foaming material and preparation method thereof Download PDFInfo
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- CN103059396A CN103059396A CN2012105507723A CN201210550772A CN103059396A CN 103059396 A CN103059396 A CN 103059396A CN 2012105507723 A CN2012105507723 A CN 2012105507723A CN 201210550772 A CN201210550772 A CN 201210550772A CN 103059396 A CN103059396 A CN 103059396A
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Abstract
The invention discloses a polyethylene/CPE (Chlorinated Polyethylene) coating coconut husk powder particle blending foaming material, which is prepared from the following raw material according to parts by weight: 60-80 parts of LLDPE, 20-40 parts of HDPE, 30-40 parts of CPE, 10-15 parts of aedelforsite, 15-20 parts of water glass, 5-8 parts of coconut husk powder, 1-2 parts of isopropyl-tri-(dioctyl pyrophosphate acyloxy) titanate, 5-8 parts of DBDPE, 4-6 parts of di-n-octyl adipate, 5-8 parts of vanay, 3-5 parts of foaming agent, 1-2 parts of bis(t-butylperoxy isopropyl)benzene, 0.5-1 parts of lead sulfate tribasic, 1-2 parts of zinc oxide, 1-2 parts of stearic acid, 2-3 parts of glycerin monostearate, 3-5 parts of modified tree ash, and 1-2 parts of antioxidant 1035. The polyethylene/CPE (Chlorinated Polyethylene) coating coconut husk powder particle blending foaming material produced in the invention is light and soft, high in strength, good in rebound elasticity, ideal in foaming effect, uniform in foaming, fine and compact, good in fire resistance, resistant to chemical corrosion, ageing-resistant and durable in use.
Description
Technical field
The invention belongs to field of high polymer material processing, be specifically related to a kind of polyethylene/CPE and coat coconut shell flour particle particle blending foaming material and preparation method thereof.
Background technology
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 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 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 polyethylene that good flame resistance and intensity are high/CPE coats coconut shell flour particle particle blending foaming material and preparation method thereof.
The technical solution used in the present invention is as follows:
A kind of polyethylene/CPE coats coconut shell flour particle particle blending foaming material, is made by the raw material of following weight part: LLDPE 60-80, HDPE 20-40, CPE 30-40, wollastonite 10-15, water glass 15-20, coconut shell flour 5-8, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester 1-2, TDE 5-8, Octyl adipate 4-6, Vanay 5-8, whipping agent 3-5, dual-tert-butyl peroxidation isopropyl benzene 1-2, lead sulfate tribasic 0.5-1, zinc oxide 1-2, stearic acid 1-2, glyceryl monostearate 2-3, modification trees ashes 3-5, oxidation inhibitor 1035 1-2.
The granularity of described coconut shell flour is the 50-100 order.
Described whipping agent is comprised of the raw material of following weight part: Cellmic C 121 15-25,4,4-disulfonyl hydrazide diphenyl ether 15-20, p-toluene sulfonyl hydrazide 5-10, lead stearate 2-4, Sodium dodecylbenzene sulfonate 3-6, glycerine 10-15.
Described modification trees ashes are made by following method: boil trees ashes 20-30min with the 15-20% hydrogen peroxide first, clean with distilled water again, place 110-120 ℃ drying in oven, add and be equivalent to the sodium lignosulfonate of trees ashes weight 2-3%, the polyisobutene of 2-3%, the paregal O of 1-2%, the talcum powder of 4-6%, stir 2-3h 80-90 ℃ of water-bath high speed, oven dry, pulverizing grinds to form ultrafine powder and gets final product.
The total weight parts of described LLDPE and HDPE is 100.
Polyethylene/CPE coats the preparation method of coconut shell flour particle particle blending foaming material, may further comprise the steps:
(1) wollastonite is dry, pulverizing, after crossing the 100-150 mesh sieve, add in the high-speed mixer with sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester, speed with 500-800rpm under 105-115 ℃ mixes 20-30min, after adding again water glass continuation stirring 10-15min, then add coconut shell flour with the speed blend 5-10min of 1000-1500rpm, send into granulation in the tablets press after the oven dry, particle diameter is controlled at 0.2-0.4mm, namely gets coconut shell flour coated Si ash stone granulate;
(2) CPE is added in the twin screw extruder, be warming up to 100-110 ℃, when treating that it becomes molten state, add the coconut shell flour coated Si ash stone granulate that step (1) makes, melt blending 10-20min under the rotating speed of 400-600rpm, then extruding pelletization is cooled to normal temperature and namely gets CPE coating coconut shell flour particle particle;
(3) CPE that LLDPE, HDPE and step (2) is made coats coconut shell flour particle particle and adds together in the high speed mixer, at 50-80 ℃ of lower high-speed mixing 5-10min, then add successively all the other raw materials such as TDE, Octyl adipate, Vanay, whipping agent, dual-tert-butyl peroxidation isopropyl benzene and continue to mix the 10-15min discharging;
(4) material of step (3) gained is sent in the Banbury mixer plastified, plasticization temperature is 90-100 ℃, and fusion time is 3-5min, then the material with gained is transferred to further plasticizing in two roller open mills, plasticization temperature is 90-105 ℃, and fusion time is 5-8min
(5) will plastify good material and be sent on the four roller plastic calenders, be 110-115 ℃ at roll surface temperature, and calender speed is under the condition of 30-50m/min, and compound is rolled into the film that thickness is 0.5-0.8mm;
(6) film that is rolled into is directly fitted on the base cloth by roll-in according to ordinary method, coil into work in-process by the traction of traction winder after the deburring, then foaming in the foaming furnace is sent in the traction of web-like work in-process, blowing temperature is 170-195 ℃, and foamed time is 2-3min;
(7) after the foaming of web-like work in-process, roll stamp at grain roller and process, be cooled to room temperature, batch the acquisition finished product through deburring.
Beneficial effect of the present invention:
The present invention is by carrying out modification to the trees ashes, trees ashes and poly interface binding intensity have obviously been improved, under external force, modification trees ashes 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 passes through formula adjustment and process modification, utilize coconut shell flour coated Si lime stone, make the coconut shell flour particle, coat the coconut shell flour particle with CPE again, twice coating can obviously improve wollastonite and poly consistency, the coconut shell flour particle can improve the structure of foam material simultaneously, obtains higher bubble density and less cell diameter, thereby improves shock strength and the physical and mechanical properties of foam material.The polyethylene that the present invention produces/CPE coats coconut shell flour particle particle blending foaming material light weight softness, intensity is high, rebound resilience good, foaming effect ideal, even, the tiny densification of abscess, good flame resistance, and resistance to chemical attack, ageing-resistant, durable in use.
Embodiment
Embodiment
A kind of polyethylene/CPE coats coconut shell flour particle particle blending foaming material, is made by the raw material of following weight part: 65 parts of LLDPE, 35 parts of HDPE, 35 parts of CPE, 12 parts of wollastonites, 15 parts of water glass, 6 parts of coconut shell flours, 1 part of sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester, 6 parts of TDE, 5 parts of Octyl adipates, 7 parts of Vanays, 4 parts of whipping agents, 1.5 parts of dual-tert-butyl peroxidation isopropyl benzenes, 0.6 part of lead sulfate tribasic, 1.5 parts in zinc oxide, 2 parts of stearic acid, 2.5 parts of glyceryl monostearates, 3 parts in modification trees ashes, 1,035 1.5 parts in oxidation inhibitor.
Wherein, the granularity of described coconut shell flour is 100 orders.
Described whipping agent is comprised of the raw material of following weight part: 20 parts of Cellmic C 121s, 4,16 parts of 4-disulfonyl hydrazide diphenyl ethers, 8 parts of p-toluene sulfonyl hydrazide, 3 parts of lead stearates, 5 parts of Sodium dodecylbenzene sulfonatees, 12 parts of glycerine.
Described modification trees ashes are made by following method: boil trees ashes 30min with 16% hydrogen peroxide first, clean with distilled water again, place 120 ℃ drying in oven, add and be equivalent to the sodium lignosulfonate of trees ashes weight 3%, 2% polyisobutene, 1.5% paregal O, 4% talcum powder, stir 3h 80 ℃ of water-bath high speeds, oven dry, pulverizing grinds to form ultrafine powder and gets final product.
Polyethylene/CPE coats the preparation method of coconut shell flour particle particle blending foaming material, may further comprise the steps:
(1) wollastonite is dry, pulverizing, after crossing 100 mesh sieves, add in the high-speed mixer with sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester, speed with 500rpm under 110 ℃ mixes 30min, after adding again water glass continuation stirring 15min, then add coconut shell flour with the speed blend 8min of 1200rpm, send into granulation in the tablets press after the oven dry, particle diameter is controlled at 0.3mm, namely gets coconut shell flour coated Si ash stone granulate;
(2) CPE is added in the twin screw extruder, be warming up to 100 ℃, when treating that it becomes molten state, add the coconut shell flour coated Si ash stone granulate that step (1) makes, melt blending 12min under the rotating speed of 600rpm, then extruding pelletization is cooled to normal temperature and namely gets CPE coating coconut shell flour particle particle;
(3) CPE that LLDPE, HDPE and step (2) is made coats coconut shell flour particle particle and adds together in the high speed mixer, at 75 ℃ of lower high-speed mixing 6min, then add successively all the other raw materials such as TDE, Octyl adipate, Vanay, whipping agent, dual-tert-butyl peroxidation isopropyl benzene and continue to mix the 10min discharging;
(4) material of step (3) gained is sent in the Banbury mixer plastified, plasticization temperature is 100 ℃, and fusion time is 4min, then the material with gained is transferred to further plasticizing in two roller open mills, plasticization temperature is 100 ℃, and fusion time is 6min
(5) will plastify good material and be sent on the four roller plastic calenders, be 110 ℃ at roll surface temperature, and calender speed is under the condition of 50m/min, and compound is rolled into the film that thickness is 0.5mm;
(6) film that is rolled into is directly fitted on the base cloth by roll-in according to ordinary method, coil into work in-process by the traction of traction winder after the deburring, then foaming in the foaming furnace is sent in the traction of web-like work in-process, blowing temperature is 180 ℃, and foamed time is 3min;
(7) after the foaming of web-like work in-process, roll stamp at grain roller and process, be cooled to room temperature, batch the acquisition finished product through deburring.
The performance test of the polyethylene that the present invention produces/CPE coating coconut shell flour particle particle blending foaming material is as shown in the table:
| Test item | The result |
| Tensile strength (MPa) | 6.6 |
| Shock strength (kJm -2） | 12.8 |
| Impact rebound degree (%) | 45 |
| Tear strength (kNm -1） | 133 |
| Elongation at break (%) | 197 |
| Compression set (%) | 22.1 |
| Modulus in flexure (MPa) | 148 |
Claims (6)
1. polyethylene/CPE coats coconut shell flour particle particle blending foaming material, it is characterized in that, made by the raw material of following weight part: LLDPE 60-80, HDPE 20-40, CPE 30-40, wollastonite 10-15, water glass 15-20, coconut shell flour 5-8, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester 1-2, TDE 5-8, Octyl adipate 4-6, Vanay 5-8, whipping agent 3-5, dual-tert-butyl peroxidation isopropyl benzene 1-2, lead sulfate tribasic 0.5-1, zinc oxide 1-2, stearic acid 1-2, glyceryl monostearate 2-3, modification trees ashes 3-5, oxidation inhibitor 1035 1-2.
2. polyethylene according to claim 1/CPE coats coconut shell flour particle particle blending foaming material, it is characterized in that, the granularity of described coconut shell flour is the 50-100 order.
3. polyethylene according to claim 1/CPE coats coconut husk particle particle blending foaming material, it is characterized in that, described whipping agent is comprised of the raw material of following weight part: Cellmic C 121 15-25,4,4-disulfonyl hydrazide diphenyl ether 15-20, p-toluene sulfonyl hydrazide 5-10, lead stearate 2-4, Sodium dodecylbenzene sulfonate 3-6, glycerine 10-15.
4. polyethylene according to claim 1/CPE coats coconut shell flour particle particle blending foaming material, it is characterized in that, described modification trees ashes are made by following method: boil trees ashes 20-30min with the 15-20% hydrogen peroxide first, clean with distilled water again, place 110-120 ℃ drying in oven, add and be equivalent to the sodium lignosulfonate of trees ashes weight 2-3%, the polyisobutene of 2-3%, the paregal O of 1-2%, the talcum powder of 4-6%, stir 2-3h 80-90 ℃ of water-bath high speed, oven dry, pulverizing grinds to form ultrafine powder and gets final product.
5. polyethylene according to claim 1/CPE coats coconut shell flour particle particle blending foaming material, it is characterized in that, the total weight parts of described LLDPE and HDPE is 100.
6. a polyethylene as claimed in claim 1/CPE coats the preparation method of coconut shell flour particle particle blending foaming material, it is characterized in that may further comprise the steps:
(1) wollastonite is dry, pulverizing, after crossing the 100-150 mesh sieve, add in the high-speed mixer with sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester, speed with 500-800rpm under 105-115 ℃ mixes 20-30min, after adding again water glass continuation stirring 10-15min, then add coconut shell flour with the speed blend 5-10min of 1000-1500rpm, send into granulation in the tablets press after the oven dry, particle diameter is controlled at 0.2-0.4mm, namely gets coconut shell flour coated Si ash stone granulate;
(2) CPE is added in the twin screw extruder, be warming up to 100-110 ℃, when treating that it becomes molten state, add the coconut shell flour coated Si ash stone granulate that step (1) makes, melt blending 10-20min under the rotating speed of 400-600rpm, then extruding pelletization is cooled to normal temperature and namely gets CPE coating coconut shell flour particle particle;
(3) CPE that LLDPE, HDPE and step (2) is made coats coconut shell flour particle particle and adds together in the high speed mixer, at 50-80 ℃ of lower high-speed mixing 5-10min, then add successively all the other raw materials such as TDE, Octyl adipate, Vanay, whipping agent, dual-tert-butyl peroxidation isopropyl benzene and continue to mix the 10-15min discharging;
(4) material of step (3) gained is sent in the Banbury mixer plastified, plasticization temperature is 90-100 ℃, and fusion time is 3-5min, then the material with gained is transferred to further plasticizing in two roller open mills, plasticization temperature is 90-105 ℃, and fusion time is 5-8min
(5) will plastify good material and be sent on the four roller plastic calenders, be 110-115 ℃ at roll surface temperature, and calender speed is under the condition of 30-50m/min, and compound is rolled into the film that thickness is 0.5-0.8mm;
(6) film that is rolled into is directly fitted on the base cloth by roll-in according to ordinary method, coil into work in-process by the traction of traction winder after the deburring, then foaming in the foaming furnace is sent in the traction of web-like work in-process, blowing temperature is 170-195 ℃, and foamed time is 2-3min;
(7) after the foaming of web-like work in-process, roll stamp at grain roller and process, be cooled to room temperature, batch the acquisition finished product through deburring.
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| CN201210550772.3A CN103059396B (en) | 2012-12-18 | 2012-12-18 | Polyethylene/CPE coated coconut shell flour granule particles blending foaming material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103351510A (en) * | 2013-06-19 | 2013-10-16 | 安徽电缆股份有限公司 | Colorful antioxidant polyethylene cable and preparation method thereof |
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| US20020143083A1 (en) * | 2001-03-30 | 2002-10-03 | Korney Arthur F. | Flexible wood composition |
| WO2011125008A1 (en) * | 2010-04-08 | 2011-10-13 | Fitt S.P.A. | Eco-friendly plasticized pvc compound and its use for manufacturing a flexible hose |
| CN102241846A (en) * | 2011-04-18 | 2011-11-16 | 刘立文 | Calcium sulfate whisker modified high density polyethylene composite material and preparation method thereof |
| CN102690459A (en) * | 2012-04-27 | 2012-09-26 | 华东理工大学 | High-resilience chemical crosslinked polyethylene foam material and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020143083A1 (en) * | 2001-03-30 | 2002-10-03 | Korney Arthur F. | Flexible wood composition |
| WO2011125008A1 (en) * | 2010-04-08 | 2011-10-13 | Fitt S.P.A. | Eco-friendly plasticized pvc compound and its use for manufacturing a flexible hose |
| CN102241846A (en) * | 2011-04-18 | 2011-11-16 | 刘立文 | Calcium sulfate whisker modified high density polyethylene composite material and preparation method thereof |
| CN102690459A (en) * | 2012-04-27 | 2012-09-26 | 华东理工大学 | High-resilience chemical crosslinked polyethylene foam material and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103351510A (en) * | 2013-06-19 | 2013-10-16 | 安徽电缆股份有限公司 | Colorful antioxidant polyethylene cable and preparation method thereof |
| CN103351510B (en) * | 2013-06-19 | 2015-11-18 | 安徽电缆股份有限公司 | A kind of Colorful antioxidant polyethylene cable and preparation method thereof |
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Effective date of registration: 20180606 Address after: 300385 Tianjin Xiqing economic and Technological Development Zone, Sida Xinxing Industrial Park, block E3, 3 story 302A-60 room. Patentee after: TIANJIN ZHONGTIAN JINGKE TECHNOLOGY CO., LTD. Address before: 239236 18 Gaoxin Road, Cha He New District, Lai An county, Chuzhou, Anhui Patentee before: 63975 Forces, PLA |
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Effective date of registration: 20180709 Address after: 100062 Chongwen gate 9, Dongcheng District, Beijing, 8 layer Patentee after: China food industry (Group) Co., Ltd. Address before: 300385 Tianjin Xiqing economic and Technological Development Zone, Sida Xinxing Industrial Park, block E3, 3 story 302A-60 room. Patentee before: TIANJIN ZHONGTIAN JINGKE TECHNOLOGY CO., LTD. |
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