CN1243056C - Cross blend material based on polycarbonate and its prepn. method - Google Patents
Cross blend material based on polycarbonate and its prepn. method Download PDFInfo
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Abstract
The present invention discloses a cross blend material based on polycarbonate, which comprises 30 wt% to 90 wt% of polycarbonate, 5 wt% to 50 wt% of polyethylene, 5 wt% to 65 wt% of acrylonitrile-butadiene-styrene copolymer, 0 wt% to 20 wt% of maleic anhydride modified polyolefine or ionic polymer. The preparation of the material comprises the following steps: firstly, the polyethylene and the maleic anhydride modified polyolefine or the ionic polymer are kneaded for granulating; then, the material, the polycarbonate and the acrylonitrile-butadiene-styrene copolymer are uniformly mixed in a mixing machine; afterwards, the uniformly mixed mixture is melted and kneaded in an extruder or a banbury mixer. The material has the advantages of excellent mechanical property, size stability, heat resistance, greatly improved ageing performance resistant to boiling water; the material can be widely used for the fields, such as an electronic electrical industry, an automobile manufacturing industry, a mechanical industry, etc. and is particularly suitable for being used as engineering plastics in damp environment or hot water environment.
Description
Technical field
The present invention relates to a kind of based on the polycarbonate blending material, particularly polycarbonate/polyethylene/acrylonitrile-butadiene-styrene copolymer high molecule alloy material and preparation method thereof.
Background technology
Polycarbonate is a kind of engineering plastics of excellent property, has good mechanical property, dimensional stability, thermotolerance, is widely used in fields such as production, electronic industry, automotive industry.Yet, strong owing to PC fusing point height, poor, the easy stress cracking of goods of processing fluidity to notch sensitivity, anti-boiling water aging poor performance, the price height, thereby limited its application to a certain extent.In order to address the above problem, the researchist has developed a series of high molecule alloy material based on polycarbonate in succession, as United States Patent (USP) [USP5223573, USP6166133] disclosed polycarbonate (PC)/acrylonitrile-butadiene-styrene copolymer (ABS), [USP4962148, USP5594062] disclosed polycarbonate (PC)/polyethylene (PE), [USP6043322, USP6197873] disclosed polycarbonate (PC)/polyester (PET) etc.Wherein, polycarbonate/acrylonitrile-butadiene-phenylethene copolymer has been applied to every field in large quantities, becomes topmost high molecule alloy material based on polycarbonate, and this mainly is the comprehensive premium properties of PC and ABS after PC and the ABS blend.On the one hand, it can improve winter hardiness, anti-impact and the tensile property of ABS, replaces ABS to be used for the high-performance field, and it can reduce cost and the melt viscosity of PC on the other hand, improves flowability, improves processing characteristics.But, owing to have double bond structure in the molecular structure of acrylonitrile-butadiene-styrene copolymer, hydrolysis takes place in polycarbonate easily in the presence of water simultaneously, thereby the ageing-resistant performance that causes this multipolymer, particularly the performance behind the boiling water aging descends significantly, thereby has limited the range of application of this multipolymer.
The research and development of polycarbonate/polyethylene blend just cause interest both domestic and external [special public clear 40-13663, " plastics industry " 1978, NO.2, P38], the domestic spool that once it is used as in a large number hand drill shell and anti-boiling as far back as middle nineteen seventies.For polycarbonate/polyethylene blend, when the addition of polycarbonate during less than 5% (weight percent), compare with pure PC, the melt viscosity of blend descends significantly, processability increases substantially, and other performance variation little [T.Kunori and P.H.Geil, J.Macromol.Sci-Phys., B18,93 (1980)].But when the PE consumption was high-content, because the consistency of PC and PE is poor, demixing phenomenon appearred in material thereby cause PC/PE blend mechanical property to descend simultaneously significantly.Yet the existence of PE makes that the spread coefficient of water descends widely in the PC/PE alloy in the PC/PE alloy, so the molecular chain hydrolysis rate of PC descends, and makes the still maintenance good mechanical performance of PC/PE alloy after boiling water treating.[" plastics " NO.4,1991, P11-14].
It seems that comprehensively PC has good performance, yet have fusing point height, poor processability, the easy stress cracking of goods, to breach sensitivity, price height, the low shortcoming of anti-boiling water aging performance.The PC/ABS alloy has solved the above-mentioned part shortcoming of PC, but there is the particularly low shortcoming of impact property behind the boiling water aging of loss of properties on aging equally in PC/ABS.The PC/PE alloy has good anti-boiling water aging performance, but the mechanical property of PC/PE low than PC and PC/ABS, and PC and PE are the polymkeric substance of two kinds of consistency extreme differences simultaneously, the easy layering of goods.
Summary of the invention
One of technical issues that need to address of the present invention are to disclose a kind of polycarbonate (PC)/polyethylene (PE)/acrylonitrile-butadiene-styrene copolymer (ABS) high molecule alloy material, to solve PC, the anti-boiling water aging problem of PC/ABS high molecule alloy material is improved the consistency of PC and PE simultaneously;
Two of the technical issues that need to address of the present invention provide the preparation method of above-mentioned high molecule alloy material.
The component and the weight percent content of the said polycarbonate of the present invention (PC)/polyethylene (PE)/acrylonitrile-butadiene-styrene copolymer (ABS) high molecule alloy material comprise:
Polycarbonate (PC) 30%-90%
Polyethylene (PE) 5%-50%
Acrylonitrile-butadiene-styrene copolymer (ABS) 5%-65%
According to the present invention, can in above-mentioned high molecule alloy material, add maleic anhydride modified polyolefine or the ionic polymer of 0%-20%.
A kind of in aliphatic polycarbonate, fat-aromatic copolycarbonate or the aromatic copolycarbonate of the polycarbonate of being addressed (PC), bisphenol A polycarbonate preferably, molecular weight is 26000-42000, its structural formula is:
Wherein: 100＜n＜200
The polyethylene of being addressed (PE) comprises that for the superpolymer of vinyl monomer as the main raw material preparation density is the 0.910-0.925 gram per centimeter
3New LDPE (film grade) (LDPE), density be the 0.910-0.925 gram per centimeter
3Linear low density polyethylene (LLDPE) or density be the 0.941-0.960 gram per centimeter
3High density polyethylene(HDPE) (HDPE) in a kind of, its general structure is:
Wherein: 1500＜n＜3000
Said new LDPE (film grade) is monomer usually with ethene, under the high pressure of 98.0-294MPA, with oxygen or organo-peroxide is initiator, polymkeric substance through the polymerization gained, the part short-chain branch is arranged on molecular chain, and degree of crystallinity is lower, and molecular weight is generally at 5-50 ten thousand, it is the translucent waxy solid resin of a kind of oyster white, and is nontoxic.
Said linear low density polyethylene be ethene with a small amount of higher alkene (as butene-1, ethene-1, octene-1, tetramethyl-amylene-1) etc. the polymkeric substance that under high pressure or low pressure in the presence of the catalyzer, is polymerized, linear low density polyethylene have high density polyethylene(HDPE) such have a low-density polyethylene by what highly-branched polymers was very formed, in LLDPE, have the linear molecule chain in the short side group, make its degree of crystallinity low, and density reduce to some extent.
Said high density polyethylene(HDPE) (HDPE) refers to and adopts Z-type catalyst (organometallic compound) and metal oxide (being adsorbed on the silicon-dioxide) catalyzer, under low pressure make vinyl polymerization, available vapor phase process or solution method, slurry process preparation, molecular weight is at 10-30 ten thousand, linear structure, the few degree of crystallinity of branch is 80%-90%, is to contain a small amount of butene-1, the multipolymer of alkene such as ethene-1 or propylene.
The acrylonitrile-butadiene-styrene copolymer of being addressed (ABS) refers to and contains vinyl cyanide, vinylbenzene, divinyl segmental terpolymer in the structural unit, the content of each molecule segment is respectively (weight percentage): vinyl cyanide segment (AN) accounts for 20%-75%, the vinylbenzene segment accounts for 20%-75%, and the divinyl segment accounts for 5%-30%.ABS resin is opaque, white or flaxen powdery or granular solid, proportion 1.02-1.08, and ABS resin very easily dyes, and its product surface can spray or electroplate.
Said maleic anhydride modified polyolefine is by free radical reaction and a kind of modified polyolefin of polyolefine bonded by maleic anhydride monomer.Comprise maleic anhydride modified polyethylene, maleic anhydride modified polypropylene, maleic anhydride modified polyolefin elastomer, maleic anhydride modified ethylene-propylene rubber(EPR).Percentage of grafting is 0.1%-3.0%.Preferred maleic anhydride modified ethylene-alpha-octylene copolymers, its general structure is:
Wherein: n=5000～30000, m=100～3000
R
1, R
2, R
3, R
4, R
5=H or
Or
Wherein: n '=1～5
The said ionic polymer of the present invention refers to ethene and vinylformic acid (or methacrylic acid) multipolymer introducing metal ion (comprising Na, Zn, K, Mg ion) carries out crosslinked and a kind of particular polymer that obtain.It is a kind of ethene improved-acrylic copolymer or ethene improved-Sipacril 2739OF.
The polycarbonate of being addressed, polyethylene, acrylonitrile-butadiene-styrene (ABS) (ABS) multipolymer, maleic anhydride grafts and ionic polymer all can adopt the commercially available prod, polycarbonate (PC) (mould clone 2858, Germany BAYER product), new LDPE (film grade) (LDPE) (Q200, Shanghai petrochemical industry product), acrylonitrile-butadiene-styrene copolymer (ABS) (ABS757, strange beautiful the producing in Taiwan), ionic polymer (surlyn8940, E.I.Du Pont Company produces), maleic anhydride grafts (can be prepared) according to Chinese patent CN1336390A disclosed method.
The preparation of above-mentioned polycarbonate (PC)/polyethylene (PE)/acrylonitrile-butadiene-styrene copolymer (ABS) high molecule alloy material comprises the steps:
By prescription polycarbonate (PC), polyethylene (PE), acrylonitrile-butadiene-styrene copolymer (ABS) are mixed in mixing machine, then the material that mixes is poured into and made the material melt kneading in forcing machine or the Banbury mixer, granulation promptly obtains said material.The banburying temperature is 220 ℃-270 ℃.
To containing the alloy material of maleic anhydride modified polyolefine or ionic polymer, can be earlier with polyethylene and maleic anhydride modified polyolefine or ionic polymer kneading granulation, the pellet of gained mixes in mixing machine by prescription and polycarbonate (PC), acrylonitrile-butadiene-styrene copolymer (ABS), then the material that mixes is poured into and made the material melt kneading in forcing machine or the Banbury mixer, granulation promptly obtains said material.The banburying temperature is 220 ℃-270 ℃.
In optimized technical scheme of the present invention, raw material carries out drying treatment earlier.The drying step of polycarbonate (PC), acrylonitrile-butadiene-styrene copolymer (ABS) comprises that elder generation after dry 8～12 hours, naturally cools to room temperature then in 100～130 ℃ baking oven.
The drying step of polyethylene (PE), maleic anhydride modified polyolefine or ionic polymer comprises earlier in 60～90 ℃ a conventional oven or vacuum drying oven and after dry 8～12 hours, naturally cools to room temperature then.
The present invention has adopted three kinds of polymkeric substance of PC/PE/ABS as body material, add maleic anhydride grafts or ionic polymer as compatilizer, the PC/PE/ABS alloy material that is obtained is keeping PC, the PC/ABS alloy material is outside the premium properties of aspects such as mechanical property, dimensional stability, thermotolerance, the anti-boiling water aging of alloy material. can be than PC, PC/ABS is greatly improved.The adding of maleic anhydride grafts and ionic polymer has solved the compatibility problem between PC and the PE.The PC/PE/ABS high molecule alloy material of the present invention's preparation is as a kind of engineering plastics, excellent properties with engineering plastics, can be applied to fields such as electric industry, automobile industry, mechanical industry, particularly suitable is made the engineering plastics under wet environment or the hot water environment.
PC/PE/ABS high molecule alloy material of the present invention well balance PC, PC/ABS, the performance characteristics of these three kinds of materials of PC/PE, the material surface smoothness is good, not stratified, have dimensional stability, thermotolerance, favorable mechanical performance characteristics that the common engineering plastics are possessed, particularly have good anti-boiling water aging performance.PC/PE/ABS high molecule alloy material of the present invention, the Izod notched Izod impact strength behind its boiling water aging are 4.5 times of pure PC up to 405.6J/m, 2.6 times of PC/ABS.Tensile strength is up to 52.4MPa, and modulus in flexure is up to 2036MPa, and the Izod notched Izod impact strength is up to 624J/m.
Embodiment
Come by the following examples further to be described, but the present invention is not confined to these embodiment.
Starting material required for the present invention needed to carry out drying treatment before melt kneading.Drying conditions is: polycarbonate (PC) and acrylonitrile-butadiene-styrene copolymer (ABS) drying temperature: 120 ℃, and time of drying: 10 hours.Polyethylene (PE) and maleic anhydride modified polyolefine or ionic polymer drying temperature: 80 ℃, time of drying: 10 hours.Test bars required for the present invention has common sample, boiling water aging sample.Wherein the preparation of common sample prepares test bars according to ASTM (American Society for testing and materials) testing standard.The boiling water aging method of sample preparation is as follows: will place the ebullient deionized water to soak 12 hours according to the common sample of ASTM testing standard preparation, and take out then, and be placed in the deionized water of room temperature and soaked 12 hours.Soaking with a boiling water immersion and a room temperature water is one-period, carries out so repeatedly.
Embodiment 1
With the gram of 1000 after drying treatment polycarbonate (PC) (mould clone 2858, Germany BAYER produces) (the injection moulding machine temperature is set at: one section: 235 ℃ to carry out injection moulding according to the ASTM testing standard, two sections: 240 ℃ (three sections: 245 ℃ four sections: 245 ℃ of nozzles: 250 ℃), the preparation test bars.The electronic tensile machine that the test of tensile strength and modulus in flexure adopts INSTON company to make, the impact experiment that the test of Izod notched Izod impact strength adopts Ray-Ran company to make.Test result is as shown in table 1.
Embodiment 2
With the gram of 800 after drying treatment polycarbonate (PC) (mould clone 2858, Germany BAYER produces), 200 gram acrylonitrile-butadiene-styrene copolymer (ABS) (ABS757, strange beautiful the producing in Taiwan) mix, then compound is poured into melt kneading in the twin screw extruder (SHL-35 type), cooling granulation, (each of forcing machine section temperature is set and is respectively to obtain the blend pellet, one section: 230 ℃, two sections: 235 ℃ three sections: 240 ℃ four sections: 240 ℃ of die heads: 235 ℃).
The blend pellet is naturally cooled to room temperature after dry 10 hours in 100 ℃ a conventional oven.Then according to the ASTM testing standard with the injection moulding of blend pellet, the injection moulding machine temperature is set at: one section: 235 ℃, two sections: 240 ℃ three sections: 245 ℃ four sections: 245 ℃ of nozzles: 250 ℃), be prepared into test bars.The electronic tensile machine that the test of tensile strength and modulus in flexure adopts INSTON company to make, the impact experiment that the test of Izod notched Izod impact strength adopts Ray-Ran company to make.Test result is as shown in table 1.
Embodiment 3
With 800 gram polycarbonate (PC) (mould clones 2858 after the method drying treatment of employing embodiment 1, Germany BAYER produces), 200 gram new LDPE (film grade) (LDPE) (Q200, the Shanghai petrochemical industry is produced) mix, then compound is poured into melt kneading in the twin screw extruder (SHL-35 type), cooling granulation, (each of forcing machine section temperature is set and is respectively to obtain the blend pellet, one section: 230 ℃, two sections: 235 ℃ three sections: 240 ℃ four sections: 240 ℃ of die heads: 235 ℃).The blend pellet is naturally cooled to room temperature after dry 10 hours in 100 ℃ a conventional oven.Then according to the ASTM testing standard with the injection moulding of blend pellet, the injection moulding machine temperature is set at: one section: 235 ℃, two sections: 240 ℃ three sections: 245 ℃ four sections: 245 ℃ of nozzles: 250 ℃), be prepared into test bars.The electronic tensile machine that the test of tensile strength and modulus in flexure adopts INSTON company to make, the impact experiment that the test of Izod notched Izod impact strength adopts Ray-Ran company to make.Test result is as shown in table 1.
Embodiment 4
With the gram of 800 after drying treatment polycarbonate (PC) (mould clone 2858, Germany BAYER produces), 100 gram new LDPE (film grade) (LDPE) (Q200, the Shanghai petrochemical industry is produced), 100 gram acrylonitrile-butadiene-styrene copolymer (ABS) (ABS757, strange beautiful the producing in Taiwan) mix, then compound is poured into melt kneading in the twin screw extruder (SHL-35 type), cooling granulation, (each of forcing machine section temperature is set and is respectively to obtain the blend pellet, one section: 230 ℃, two sections: 235 ℃ three sections: 240 ℃ four sections: 240 ℃ of die heads: 235 ℃).The blend pellet is naturally cooled to room temperature after dry 10 hours in 100 ℃ a conventional oven.Then according to the ASTM testing standard with the injection moulding of blend pellet, the injection moulding machine temperature is set at: one section: 235 ℃, two sections: 240 ℃ three sections: 245 ℃ four sections: 245 ℃ of nozzles: 250 ℃), be prepared into test bars.The electronic tensile machine that the test of tensile strength and modulus in flexure adopts INSTON company to make, the impact experiment that the test of Izod notched Izod impact strength adopts Ray-Ran company to make.Test result is as shown in table 1.
Table 1
| Embodiment | Tensile strength (MPa) | Modulus in flexure (MPa) | Izod notched Izod impact strength (J/m) (boiling water aging is handled preceding) | Izod notched Izod impact strength (J/m) (boiling water aging is handled the back) | |
| ASTM D638 | ASTM D790 | ASTM D256 | ASTM D256 | ||
| Embodiment 1 | PC | 6360 | 2007 | 892.5 | 89.3 |
| Embodiment 2 | PC/ABS(80/20) | 54.8 | 2086.7 | 725 | 155 |
| Embodiment 3 | PC/PE(80/20) | 40.21 | 1535 | 575.5 | 374.1 |
| Embodiment 4 | PC/PE/ABS(80/10/10) | 48.95 | 2035 | 594 | 356.4 |
As can be seen from Table 1, PC (embodiment 1), PC/ABS alloy material (embodiment 2) have good tensile, modulus in flexure, Izod notched Izod impact strength, the Izod notched Izod impact strength after but boiling water aging is handled is quite low, and PC/PE alloy material (embodiment 3) be not very high aspect tensile strength, modulus in flexure, the Izod notched Izod impact strength, but it is strong still to have good Izod notch shock after boiling water aging is handled.PC/PE/ABS (embodiment 4) has preferably that still to have good Izod notch shock after tensile strength, modulus in flexure, Izod notched Izod impact strength and boiling water aging are handled strong.Therefore kept PC basically by PC/PE/ABS more as can be seen, the good property of PC/ABS alloy material, simultaneously the impact property behind the boiling water aging of alloy material is than PC, and PC/ABS has increased significantly (seeing Table 1), be a kind of performance with price than good engineering plastics.
Embodiment 5
With the gram of 500 after drying treatment new LDPE (film grade) (LDPE) (Q200, the Shanghai petrochemical industry is produced) and 500 gram maleic anhydride grafted ethene-α-octene copolymer (maleic anhydride grafted ethene-α-octene copolymer, percentage of grafting is 1.5%, gel content is 0, self-control, with reference to Chinese patent CN1336390A) (each of forcing machine section temperature is set and is respectively to mediate granulation on twin screw extruder, one section: 180 ℃ two sections: 185 ℃ three sections: 190 ℃ four sections: 190 ℃ of die heads: 180 ℃), obtain the polyethylene masterbatch.
Then with the gram of 800 after drying treatment polycarbonate (PC) (mould clone 2858, Germany BAYER produces), 100 gram polyethylene masterbatch (Q200, the Shanghai petrochemical industry is produced), 100 gram acrylonitrile-butadiene-styrene copolymer (ABS) (ABS757, strange beautiful the producing in Taiwan) mix, then compound is poured into melt kneading in the twin screw extruder (SHL-35 type), cooling granulation, (each of forcing machine section temperature is set and is respectively to obtain the blend pellet, one section: 230 ℃, two sections: 235 ℃ three sections: 240 ℃ four sections: 240 ℃ of die heads: 235 ℃).The blend pellet of preparation is naturally cooled to room temperature after dry 10 hours in 100 ℃ a conventional oven.Then according to the ASTM testing standard with the injection moulding of blend pellet, the injection moulding machine temperature is set at: one section: 235 ℃, two sections: 240 ℃ three sections: 245 ℃ four sections: 245 ℃ of nozzles: 250 ℃), be prepared into test bars.The electronic tensile machine that the test of tensile strength and modulus in flexure adopts INSTON company to make, the impact experiment that the test of Izod notched Izod impact strength adopts Ray-Ran company to make.Test result is as shown in table 2.
Embodiment 6
At first with the gram of 960 after drying treatment new LDPE (film grade) (LDPE) (Q200, the Shanghai petrochemical industry is produced) and 40 gramion polymkeric substance (surlyn8940, E.I.Du Pont Company produces) pour twin screw extruder into and mediate granulation (each of forcing machine section temperature is set and is respectively, one section: 180 ℃ (two sections: 185 ℃ three sections: 190 ℃ four sections: 190 ℃ of die heads: 180 ℃), obtain the polyethylene masterbatch.
Then will be through the gram of 800 after drying treatment polycarbonate (PC) (mould clone 2858, Germany BAYER produces), 100 gram polyethylene masterbatch (Q200, the Shanghai petrochemical industry is produced), 100 gram acrylonitrile-butadiene-styrene copolymer (ABS) (ABS757, strange beautiful the producing in Taiwan) mix, then compound is poured into melt kneading in the twin screw extruder (SHL-35 type), cooling granulation, (each of forcing machine section temperature is set and is respectively to obtain the blend pellet, one section: 230 ℃, two sections: 235 ℃ three sections: 240 ℃ four sections: 240 ℃ of die heads: 235 ℃).The blend pellet of preparation is naturally cooled to room temperature after dry 10 hours in 100 ℃ a conventional oven.Then according to the ASTM testing standard with the injection moulding of blend pellet, the injection moulding machine temperature is set at: one section: 235 ℃, two sections: 240 ℃ three sections: 245 ℃ four sections: 245 ℃ of nozzles: 250 ℃), be prepared into test bars.The electronic tensile machine that the test of tensile strength and modulus in flexure adopts INSTON company to make, the impact experiment that the test of Izod notched Izod impact strength adopts Ray-Ran company to make.Test result is as shown in table 2.
Table 2
| Embodiment | Tensile strength (MPa) | Modulus in flexure (MPa) | Izod notched Izod impact strength (J/m) (boiling water aging is handled preceding) | Izod notched Izod impact strength (J/m) (boiling water aging is handled the back) | |
| ASTM D638 | ASTM D790 | ASTM D256 | ASTM D256 | ||
| Embodiment 4 | PC/PE/ABS(80/10/10) | 48.95 | 2035 | 594 | 356.4 |
| Embodiment 5 | PC/PE(g)/ABS(80/10/10) | 49.21 | 1934 | 624 | 405.6 |
| Embodiment 6 | PC/(PE+ion)/ABS(80/10/10) | 52.4 | 2036 | 609 | 389.76 |
As can be seen from Table 2, adopt maleic anhydride grafted ethene-α-octene copolymer as the ternary alloy based on PC/PE/ABS (embodiment 5) of compatilizer preparation and adopt ionic polymer as the ternary alloy based on PC/PE/ABS (embodiment 6) of compatilizer preparation in tensile strength, modulus in flexure, Izod notched Izod impact strength after Izod notched Izod impact strength and the boiling water treating does not more adopt the alloy material (embodiment 4) of compatilizer all to be improved to some extent, the alloy material of Huo Deing does not have stratified phenomenon simultaneously, any surface finish is good, and the consistency of PC and PE is improved.
Claims (4)
1. the intermingling material based on polycarbonate is characterized in that, the component and the weight percent content of this material comprise:
Polycarbonate 30%-90%
Polyethylene 5%-50%
Acrylonitrile-butadiene-styrene copolymer 5%-65%
In intermingling material, add maleic anhydride modified polyolefine or the 0.4%-20% ionic polymer of 5%-20%, in this material the weight content of each component and be 100%;
Described acrylonitrile-butadiene-styrene copolymer refers to and contains vinyl cyanide, vinylbenzene, divinyl segmental terpolymer in the structural unit;
Described polycarbonate is a kind of in aliphatic polycarbonate, fat-aromatic copolycarbonate or the aromatic copolycarbonate;
Described polyethylene comprises that density is the 0.910-0.925 gram per centimeter
3New LDPE (film grade), density be the 0.910-0.925 gram per centimeter
3Linear low density polyethylene or density be the 0.941-0.960 gram per centimeter
3High density polyethylene(HDPE) in a kind of;
Said maleic anhydride modified polyolefine comprises maleic anhydride modified polyethylene, maleic anhydride modified polypropylene or maleic anhydride modified polyolefin elastomer;
Said ionic polymer refers to ethene and vinylformic acid or copolymer from ethylene and methacrylic acid introducing metal ion and carries out crosslinked and polymkeric substance that obtain.
2. material as claimed in claim 1, it is characterized in that, the weight percentage of described each molecule segment of acrylonitrile-butadiene-styrene copolymer is respectively: vinyl cyanide segment 20%-75%, vinylbenzene segment 20%-75%, divinyl segment 5%-30%.
3. material as claimed in claim 1 is characterized in that, maleic anhydride modified polyolefin elastomer is maleic anhydride modified ethylene-alpha-octylene copolymers.
4. material as claimed in claim 1 is characterized in that, metal ion comprises Na, Zn, K or Mg ion.
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