CN102382352B - Composition of HDPE/POE-g-MAH/mesoporous molecular sieve blended material and preparation method thereof - Google Patents
Composition of HDPE/POE-g-MAH/mesoporous molecular sieve blended material and preparation method thereof Download PDFInfo
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- CN102382352B CN102382352B CN 201110324539 CN201110324539A CN102382352B CN 102382352 B CN102382352 B CN 102382352B CN 201110324539 CN201110324539 CN 201110324539 CN 201110324539 A CN201110324539 A CN 201110324539A CN 102382352 B CN102382352 B CN 102382352B
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Abstract
The present invention relates to a composition of HDPE/POE-g-MAH/mesoporous molecular sieve blended material and a preparation method thereof. The HDPE/POE-g-MAH/mesoporous molecular sieve blended material is prepared by the following components according to a certain weight proportion: 50%-60% of HDPE, 30%-40% of mesoporous molecular sieve, 10% of POE-g-MAH, 0.15% of anti-oxidant (1010), and 0.15% of lubricant (OPE). The composition of HDPE/POE-g-MAH/mesoporous molecular sieve blended material can effectively settle the following defects in use: easy deformation, easy rupture, short service life, etc. The adding of the self-made POE-g-MAH reduces tearing phenomenon caused by non-enough toughness in a use process to a certain degree. The adding of the lubricant OPE improves machining performance of the HDPE/POE-g-MAH/ mesoporous molecular sieve blended material. The composition can be used for the HDPE(high density polyethylene)/RHDPE(regenerable high density polyethylene)/POE-g-MAH/ mesoporous molecular sieve blended material of engineering plastics such as tube.
Description
Technical field
The present invention relates to composition of intermingling material and preparation method thereof, particularly relate to composition of a kind of HDPE/POE – g – MAH/ mesopore molecular sieve intermingling material and preparation method thereof.
Background technology
The HDPE(high density polyethylene(HDPE)) resin material has outstanding physical and mechanical properties and chemical stability and excellent electric insulating quality, in fields such as agricultural, national defense industry widely purposes is arranged.And the HDPE that uses as tubing with its excellent heatproof degree change, excellent properties the is subject to people's such as wear-resistant, corrosion-resistant, nontoxic, light weight, inexpensive, finished product manufacturing use and the simple expense of installation and maintenance program are cheap day by day favor.Present very large of HDPE usage quantity in every respect, the every aspect, the particularly application aspect tubing that almost are penetrated into life have reached the second of plastic pipe usage quantity, only are only second to the pvc pipe material.
But there are some comparatively open defects in the HDPE material in performance, and especially it is aspect physical and mechanical property, and on the low side such as tensile strength, intensity is lower, and environmental stress cracking resistance is poor, and shock strength is low, and low grade of flexural strength limited its use.In addition, HDPE tubing can not bear higher operating pressure, thus its wall thickness often done very thick in to increase ability to bear.It is to overcome the little defective of its deficiency on properties, especially toughness that the HDPE material is carried out modification, and then enlarges its range of application.
Recycling about HDPE has part document and patent to report, for example patent CN101302312 has introduced and a kind ofly put forward high-intensity preparation method by waste paper and RHDPE material are mixing.But because the mechanical properties such as the melting index of RHDPE, tensile strength, elongation at break do not reach certain performance.Relevant patent report is not seen in introduction about this respect.
Summary of the invention
The object of the present invention is to provide composition of a kind of HDPE/POE – g – MAH/ mesopore molecular sieve intermingling material and preparation method thereof.The material of present method preparation can improve the mechanical properties such as the melting index, tensile strength, elongation at break of HDPE, can reach the standard of reusing, and reduces the cost of polythene material when promoting environmental protection.
The objective of the invention is to be achieved through the following technical solutions:
The composition of HDPE/POE – g – MAH/ mesopore molecular sieve intermingling material, by following composition by weight ratio form:
HDPE 50-60 weight part;
Mesopore molecular sieve 30-40 weight part;
POE – g – MAH 10 weight parts;
Antioxidant 1010 0.15 weight part;
Lubricant OPE 0.15 weight part.
The composition of described HDPE/POE – g – MAH/ mesopore molecular sieve intermingling material, its described HDPE/POE – g – MAH/ mesopore molecular sieve intermingling material, the POE – g – MAH that uses is made by following proportioning: POE, MAH, DCP three take by weighing and mix according to the 100:3:0.15 mass ratio.
The composition of described HDPE/POE – g – MAH/ mesopore molecular sieve intermingling material, its described HDPE/POE – g – MAH/ mesopore molecular sieve intermingling material uses mesopore molecular sieve that it is carried out enhancing modified, changes respectively the content of molecular sieve in each proportioning and is respectively: 30 parts, 36 parts, 40 parts.
The preparation method of HDPE/POE – g – MAH/ mesopore molecular sieve intermingling material may further comprise the steps:
(1) Dan gonosome Yi Xi – octene copolymer (POE) is carried out graft modification: take by weighing POE, MAH, DCP, ratio blend according to 100:3:0.15, the blend temperature reaches 55 ℃-60 ℃, continue to stir in the time of the control temperature, until MAH evenly is wrapped in the POE particle surface, takes out material and seal for subsequent use;
(2) material that takes out in the step (1) is carried out melting graft reaction and process tank, dicing machine granulation in twin screw extruder; Pellet used under 60 ℃ of conditions blast drier is dry, sealing is for subsequent use;
(3) for determining whether MAH successfully carries out grafting to POE, graft product is put into there-necked flask, add dimethylbenzene and be heated to 90 ℃ and dissolve 2h, filter out undissolved material, filtrate is put into excessive acetone at once, separate out throw out, throw out through the oven dry of suction filtration final vacuum, can be obtained grafts;
(4) accurately take by weighing the grafting purified product, add refluxing xylene and make it dissolving, measure POE – g – MAH percentage of grafting;
(5) mesopore molecular sieve pre-treatment, under 110 ℃, it is dry to put into blast drier with mesopore molecular sieve, and the taking-up sealing is for subsequent use;
(6) take by weighing HDPE, POE-g-MAH, 3A molecular sieve, antioxidant 1010, lubricant OPE carries out the quality proportioning, extrudes in twin screw extruder, through the tank cooling, dicing machine carries out granulation and gets final product.
Advantage of the present invention and effect are:
The present invention can improve the mechanical properties such as the melting index, tensile strength, elongation at break of HDPE, can reach the standard of reusing, and reduces the cost of polythene material when promoting environmental protection.How solving the various physicalies of HDPE material, is main purpose of the present invention so that it has every mechanical property that can meet as the engineering plastics use.Inorganic particulate not only is widely used in fills new resin, also is applicable to filled HDPE.Add the cost that mesopore molecular sieve both can reduce the regenerated polythene goods at HDPE, can improve again the intensity of goods.Why the adding of mesopore molecular sieve can make HDPE, elastomer composite system tensile strength increase, and is because the mesopore molecular sieve of high radius-thickness ratio, high surface area has good reinforced effects to crystalline non-polar high polymer system.Can effectively stop HDPE crack propagation under the stress, play the effect of focal point of stress, tensile strength is improved.
The effective approach that improves HDPE goods impact resistance is toughening modifying.Usually use elastomerics that HDPE is carried out toughening modifying.The toughner that is used for toughened HDPE that the present invention selects is maleic anhydride graft POE.POE and mesopore molecular sieve are used, and can reach the collaborative effect of performance complement, make its applicable surface more extensive, will have some superiority in the application in future.
Description of drawings
Fig. 1 is preparation technology's flow diagram of the present invention.
Embodiment
The present invention is described in detail below in conjunction with embodiment.
The preparation of HDPE of the present invention/POE – g – MAH/ mesopore molecular sieve intermingling material comprises following part:
(1) Dan gonosome Yi Xi – octene copolymer (POE) is carried out graft modification.Take by weighing the POE(trade mark and be divided into two kinds on 8180 types, 8150 types), MAH, DCP, use high-speed mixer to carry out blend according to the ratio of 100:3:0.15, the low rate start high-speed mixer reaches about 55 ℃-60 ℃ the blend temperature, continues to stir in the time of the control temperature, until MAH evenly is wrapped in the POE particle surface, show that namely material fully mixes.It is for subsequent use to take out the material sealing.
(2) material that takes out in the step (1) is carried out melting graft reaction and process tank, dicing machine granulation in twin screw extruder.Each section of twin screw extruder Temperature Setting is: I: 170 ℃, II: 180 ℃, III: 180 ℃, IV: 180 ℃, V: 180 ℃, VI: 180 ℃, VII: 180 ℃, head: 180 ℃, material: 170 ℃.Through the tank cooling, use dicing machine to carry out granulation behind the extruded material.The pellet of collecting is used the dry 3h of blast drier under 60 ℃ of conditions.Seal for subsequent use.
(3) for determining whether MAH successfully carries out grafting to POE, graft product is put into there-necked flask, add capacity dimethylbenzene and be heated to 90 ℃ and dissolve 2h, filter out undissolved material, filtrate is put into excessive acetone at once, separate out throw out, throw out through the oven dry of suction filtration final vacuum, can be obtained grafts.Grafts after the purification is used the Fourier infrared spectrograph determination and analysis through 90 ℃ of hot pressing film forming; Find out acid anhydrides charateristic avsorption band (1785cm in infrared spectrogram
-1), just can determine with this.
(4) accurately take by weighing the grafting purified product of about 1g, the refluxing xylene that adds 150ml makes it dissolving, take phenolphthalein as indicator, carries out while hot chemistry titration with the NaOH-ethanolic soln for preparing, and percentage of grafting can calculate by following formula:
V in the formula
1-V
0---the NaOH volume (ml) that graft product consumes;
C
NaOH---the volumetric molar concentration (mol/L) of NaOH;
M
NaOH---the molar mass (g/mol) of NaOH;
The quality (g) of W---grafting purified.
The POE – g – MAH percentage of grafting of measuring by above method is about 0.4%.
(5) pre-treatment of mesopore molecular sieve under 110 ℃, is put into the dry 3h of blast drier with the capacity mesopore molecular sieve, and the taking-up sealing is for subsequent use.
(6) take by weighing HDPE, POE-g-MAH, 3A molecular sieve, antioxidant 1010, lubricant OPE carries out the quality proportioning according to table 1 respectively, extrude in twin screw extruder, twin screw extruder everywhere Temperature Setting is: I: 180 ℃, II: 190 ℃, III: 195 ℃, IV: 200 ℃, V: 210 ℃, VI: 210 ℃, VII: 210 ℃, head: 210 ℃, material: 200 ℃.Through the tank cooling, dicing machine carries out granulation.
Table 1
(7) pellet of step (6) is put into air dry oven and descended dry 3 hours at 80 ℃, use the melt flow rate (MFR) determinator at 190 ℃, measure the MFR of material under the load of 5kg.
(8) material in the step (7) is injected made sample.Sample injection is respectively: dumbbell shape tension specimen, bend specimen, notched impact specimen.Each section of injector Temperature Setting: 200 ℃, 210 ℃, 220 ℃, 210 ℃, 190 ℃, 170 ℃.Pressure setting: one-level injection 70MPa, secondary injection 65 MPa, three grades of injection 65 MPa, melten gel pressure 85 MPa; Quick locked mode 100 MPa, low pressure locked mode 95 MPa, high-voltage lock mould 128 MPa penetrate platform pressure 80 MPa; Die sinking 1 slow 80 MPa, quick die sinking 80 MPa, die sinking 2 slow 80 MPa, thimble pressure 100 MPa.
(9) sample injection in the step (8) is screened, select smooth surface, shape intact, carry out performance test, main process without the sample of bubble, non-trimming: stretching experiment, test according to GB/T1040-1992; Crooked experiment is tested according to GB1042-79; The experiment of socle girder notch shock is tested according to GB/1843-80; The melting index experiment is tested according to GB 3682-83.
Raw material and reagent that the present invention is used comprise: 100S trade mark HDPE; 8180 type POE, 8150 type POE; 3F type POE; MALEIC ANHYDRIDE (MAH), AR; OPE, commercially available.DCP, AR; Antioxidant 1010, AR.
The used plant and instrument of the present invention comprises: TSE-35A type twin screw extruder; NG-120A type injection moulding machine; HT-9431 type melt index determinator; RGR-30A type microcomputer controlled electronic universal testing machine; UJ-240 type radial-boom impact tester; DHG-9023AS type new electrically heating air blast thermostatic drying chamber; JSM-6360LV type SEM Electronic Speculum.Nicolet470 type Fourier infrared spectrum analyser; CH – 10 type high-speed mixing stirrers.
Embodiment 1:
The described HDPE of present embodiment/POE – g – MAH/ mesopore molecular sieve intermingling material is comprised of HDPE, POE – g – MAH, mesopore molecular sieve, oxidation inhibitor, lubricant.The feature of this example is that toughening material and strongthener etc. are introduced among the HDPE, can be used as the property indices that engineering plastics use so that HDPE reaches.According to step (1), adopting the trade mark is that 8150 type POE carry out proportioning: 60 parts of HDPE, 10 parts of POE – g – MAH, 30 parts of mesopore molecular sieves, 0.15 part of oxidation inhibitor, 0.15 part of lubricant.Concrete preparation process is as follows:
Make POE-g-MAH by step (2); The gained material is carried out proportioning test shown in table 1 in the step (6); The gained material is operated according to step (7), (8), the gained material is carried out (9) operation, draw data, record and analyze.The performance test results of present embodiment gained HDPE/POE – g – MAH/ mesopore molecular sieve intermingling material is shown in Table 2.
Embodiment 2:
The constituent of present embodiment is consistent with the constituent of embodiment 1.Adopting the trade mark is that 8150 POE carry out proportioning: 54 parts of HDPE, 10 parts of POE – g – MAH, 36 parts of mesopore molecular sieves, 0.15 part of 1010,0.15 parts of OPE.The difference of the constituent of present embodiment and embodiment 1 is to use 54 parts of HDPE, 36 parts of mesopore molecular sieves.
The preparation method of present embodiment is identical with embodiment 1 with the performance test standard, repeats no more herein.The performance test results of present embodiment gained HDPE/POE – g – MAH/ mesopore molecular sieve intermingling material is shown in Table 2.
Embodiment 3:
The constituent of present embodiment is consistent with the constituent of embodiment 1.Adopting the trade mark is that 8150 POE carry out proportioning: 50 parts of HDPE, 10 parts of POE – g – MAH, 40 parts of mesopore molecular sieves, 0.15 part of 1010,0.15 parts of OPE.The difference of the constituent of present embodiment and embodiment 1 is to use 50 parts of HDPE, 40 parts of mesopore molecular sieves.
The preparation method of present embodiment is identical with embodiment 1 with the performance test standard, repeats no more herein.The performance test results of present embodiment gained HDPE/POE – g – MAH/ mesopore molecular sieve intermingling material is shown in Table 2.
Embodiment 4:
The constituent of present embodiment is consistent with the constituent of embodiment 1.Adopting the trade mark is that 8180 type POE carry out proportioning: 60 parts of HDPE, 10 parts of POE – g – MAH, 30 parts of mesopore molecular sieves, 0.15 part of 1010,0.15 parts of OPE.It is 8180 type POE that the difference of the constituent of present embodiment and embodiment 1 is to use 60 parts of trades mark.
The preparation method of present embodiment is identical with embodiment 1 with the performance test standard, repeats no more herein.The performance test results of present embodiment gained HDPE/POE – g – MAH/ mesopore molecular sieve intermingling material is shown in Table 2.
Embodiment 5:
The constituent of present embodiment is consistent with the constituent of embodiment 1.Adopting the trade mark is that 8180 type POE carry out proportioning: 54 parts of HDPE, 10 parts of POE – g – MAH, 36 parts of mesopore molecular sieves, 0.15 part of 1010,0.15 parts of OPE.It is 8180 type POE that the difference of the constituent of present embodiment and embodiment 1 is to use the trade mark, 54 parts of HDPE, 36 parts of mesopore molecular sieves.
The preparation method of present embodiment is identical with embodiment 1 with the performance test standard, repeats no more herein.The performance test results of present embodiment gained HDPE/POE – g – MAH/ mesopore molecular sieve intermingling material is shown in Table 3.
Embodiment 6:
The constituent of present embodiment is consistent with the constituent of embodiment 1.Adopting the trade mark is that 8180 type POE carry out proportioning: 50 parts of HDPE, 10 parts of POE – g – MAH, 40 parts of mesopore molecular sieves, 0.15 part of 1010,0.15 parts of OPE.It is 8180 type POE that the difference of the constituent of present embodiment and embodiment 1 is to use the trade mark, 50 parts of HDPE, 40 parts of mesopore molecular sieves.
The preparation method of present embodiment is identical with embodiment 1 with the performance test standard, repeats no more herein.The performance test results of present embodiment gained HDPE/POE – g – MAH/ mesopore molecular sieve intermingling material is shown in Table 3.
Embodiment 7:
The constituent of present embodiment is consistent with the constituent of embodiment 1.It is 8180 type POE, 8150 type POE half and half that POE adopts respectively the trade mark, namely respectively is 5 parts and carries out proportioning: 60 parts of HDPE, 10 parts of POE – g – MAH, 30 parts of mesopore molecular sieves, 0.15 part of 1010,0.15 parts of OPE.The difference of the constituent of present embodiment and embodiment 1 is that the 10 parts of POE trades mark that use do following division: 5 parts of trades mark are 8180 type POE, and 5 parts of trades mark are 8150 type POE.
The preparation method of present embodiment is identical with embodiment 1 with the performance test standard, repeats no more herein.The performance test results of present embodiment gained HDPE/POE – g – MAH/ mesopore molecular sieve intermingling material is shown in Table 3.
Embodiment 8:
The constituent of present embodiment is consistent with the constituent of embodiment 1.It is 8180 type POE, 8150 type POE half and half that POE adopts respectively the trade mark, namely respectively is 5 parts and carries out proportioning: 54 parts of HDPE, 10 parts of POE – g – MAH, 36 parts of mesopore molecular sieves, 0.15 part of 1010,0.15 parts of OPE.The difference of the constituent of present embodiment and embodiment 1 is that the 10 parts of POE trades mark that use do following division: 5 parts of trades mark are 8180 type POE, and 5 parts of trades mark are 8150 type POE, 54 parts of HDPE, 36 parts of mesopore molecular sieves.
The preparation method of present embodiment is identical with embodiment 1 with the performance test standard, repeats no more herein.The performance test results of present embodiment gained HDPE/POE – g – MAH/ mesopore molecular sieve intermingling material is shown in Table 3.
Embodiment 9:
The constituent of present embodiment is consistent with the constituent of embodiment 1.It is 8180 type POE, 8150 type POE half and half that POE adopts respectively the trade mark, namely respectively is 5 parts and carries out proportioning: 50 parts of HDPE, 10 parts of POE – g – MAH, 30 parts of mesopore molecular sieves, 0.15 part of 1010,0.15 parts of OPE.The difference of the constituent of present embodiment and embodiment 1 is that the 10 parts of POE trades mark that use do following division: 5 parts of trades mark are 8180 type POE, and 5 parts of trades mark are 8150 type POE, 50 parts of HDPE, 30 parts of mesopore molecular sieves.
The preparation method of present embodiment is identical with embodiment 1 with the performance test standard, repeats no more herein.The performance test results of present embodiment gained HDPE/POE – g – MAH/ mesopore molecular sieve intermingling material is shown in Table 4.
Embodiment 10:
The constituent of present embodiment is consistent with the constituent of embodiment 1.Adopting the trade mark is that 3F type POE carries out proportioning: 60 parts of HDPE, 10 parts of 3F type POE, 30 parts of mesopore molecular sieves, 0.15 part of 1010,0.15 parts of OPE.The difference of the constituent of present embodiment and embodiment 1 is to use 10 parts of 3F type POE.
The preparation method of present embodiment is identical with embodiment 1 with the performance test standard, repeats no more herein.The performance test results of present embodiment gained HDPE/POE – g – MAH/ mesopore molecular sieve intermingling material is shown in Table 4.
Embodiment 11:
The constituent of present embodiment is consistent with the constituent of embodiment 1.Adopting the trade mark is that 3F type POE carries out proportioning: 54 parts of HDPE, 10 parts of 3F type POE, 36 parts of mesopore molecular sieves, 0.15 part of 1010,0.15 parts of OPE.The difference of the constituent of present embodiment and embodiment 1 is to use 10 parts of 3F type POE, 54 parts of HDPE, 36 parts of mesopore molecular sieves.
The preparation method of present embodiment is identical with embodiment 1 with the performance test standard, repeats no more herein.The performance test results of present embodiment gained HDPE/POE – g – MAH/ mesopore molecular sieve intermingling material is shown in Table 4.
Embodiment 12:
The constituent of present embodiment is consistent with the constituent of embodiment 1.Adopting the trade mark is that 3F type POE carries out proportioning: 50 parts of HDPE, 10 parts of 3F type POE, 40 parts of mesopore molecular sieves, 0.15 part of 1010,0.15 parts of OPE.The difference of the constituent of present embodiment and embodiment 1 is to use 10 parts of 3F type POE, 50 parts of HDPE, 40 parts of mesopore molecular sieves.
The preparation method of present embodiment is identical with embodiment 1 with the performance test standard, repeats no more herein.The performance test results of present embodiment gained HDPE/POE – g – MAH/ mesopore molecular sieve intermingling material is shown in Table 4.
Table 2:
| Test event | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Tensile strength/MPa | 23.90 | 25.66 | 26.18 | 22.45 |
| Shock strength/kJm -2 | 24.04 | 15.96 | 13.34 | 30.34 |
| Melting index/g/10min | 0.11 | 0.08 | 0.09 | 0.12 |
Table 3:
| Test event | Embodiment 5 | Embodiment 6 | Embodiment 7 | Embodiment 8 |
| Tensile strength/MPa | 27.13 | 28..69 | 22.35 | 21.50 |
| Shock strength/kJm -2 | 28.02 | 19.19 | 28.19 | 18.98 |
| Melting index/g/10min | 0.09 | 0.06 | 0.29 | 0.24 |
Table: 4:
| Test event | Embodiment 9 | Embodiment 10 | Embodiment 11 | Embodiment 12 |
| Tensile strength/MPa | 23.12 | 19.10 | 20.06 | 21.31 |
| Shock strength/kJm -2 | 13.15 | 19.94 | 19.08 | 19.14 |
| Melting index/g/10min | 0.12 | 0.08 | 0.08 | 0.07 |
Claims (2)
1.HDPE the preparation method of/POE – g – MAH/ mesopore molecular sieve intermingling material is characterized in that, may further comprise the steps:
(1) Dan gonosome Yi Xi – octene copolymer (POE) is carried out graft modification: take by weighing POE, MAH, DCP, weight ratio blend according to 100:3:0.15, the blend temperature reaches 55 ℃-60 ℃, continue to stir in the time of the control temperature, until MAH evenly is wrapped in the POE particle surface, takes out material and seal for subsequent use;
(2) material that takes out in the step (1) is carried out melting graft reaction and process tank, dicing machine granulation in twin screw extruder; Pellet used under 60 ℃ of conditions blast drier is dry, sealing is for subsequent use;
(3) for determining whether MAH successfully carries out grafting to POE, graft product is put into there-necked flask, add dimethylbenzene and be heated to 90 ℃ and dissolve 2h, filter out undissolved material, filtrate is put into excessive acetone at once, separate out throw out, throw out through the oven dry of suction filtration final vacuum, can be obtained grafts;
(4) accurately take by weighing the grafting purified product, add refluxing xylene and make it dissolving, measure POE – g – MAH percentage of grafting;
(5) mesopore molecular sieve pre-treatment, under 110 ℃, it is dry to put into blast drier with mesopore molecular sieve, and the taking-up sealing is for subsequent use;
(6) take by weighing HDPE, POE-g-MAH, mesopore molecular sieve, antioxidant 1010, lubricant OPE carries out the quality proportioning, extrudes in twin screw extruder, through the tank cooling, dicing machine carries out granulation and gets final product;
Quality proportioning in the described step (6) is weight ratio:
HDPE 50-60 weight part;
Mesopore molecular sieve 30-40 weight part;
POE – g – MAH 10 weight parts;
Antioxidant 1010 0.15 weight part;
Lubricant OPE 0.15 weight part.
2. the preparation method of HDPE according to claim 1/POE – g – MAH/ mesopore molecular sieve intermingling material, it is characterized in that, described HDPE/POE – g – MAH/ mesopore molecular sieve intermingling material, use mesopore molecular sieve that it is carried out enhancing modified, changing respectively the content of molecular sieve in each proportioning is respectively: 30 parts, 36 parts, 40 parts.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5066542A (en) * | 1984-08-15 | 1991-11-19 | The Dow Chemical Company | Resin blends of maleic anhydride grafts of olefin polymers for extrusion coating onto metal foil substrates |
| CN101735546A (en) * | 2009-12-30 | 2010-06-16 | 浙江北化阻燃材料有限公司 | High flame-retardant and high heat-resisting halogen-free expansion type fire-resistant cable material and preparation method thereof |
| CN102101922A (en) * | 2009-12-22 | 2011-06-22 | 上海新上化高分子材料有限公司 | Wear-resistance halogen-free low-smoke expansion flame-retarding polyolefin sheath plastic and preparation method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5066542A (en) * | 1984-08-15 | 1991-11-19 | The Dow Chemical Company | Resin blends of maleic anhydride grafts of olefin polymers for extrusion coating onto metal foil substrates |
| CN102101922A (en) * | 2009-12-22 | 2011-06-22 | 上海新上化高分子材料有限公司 | Wear-resistance halogen-free low-smoke expansion flame-retarding polyolefin sheath plastic and preparation method thereof |
| CN101735546A (en) * | 2009-12-30 | 2010-06-16 | 浙江北化阻燃材料有限公司 | High flame-retardant and high heat-resisting halogen-free expansion type fire-resistant cable material and preparation method thereof |
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