CN101522783A - Antistatic composition and molding thereof - Google Patents
Antistatic composition and molding thereof Download PDFInfo
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- CN101522783A CN101522783A CNA2007800370492A CN200780037049A CN101522783A CN 101522783 A CN101522783 A CN 101522783A CN A2007800370492 A CNA2007800370492 A CN A2007800370492A CN 200780037049 A CN200780037049 A CN 200780037049A CN 101522783 A CN101522783 A CN 101522783A
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- static inhibitor
- sheet material
- polypropylene
- mfr
- antistatic composition
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
- C08L101/12—Compositions of unspecified macromolecular compounds characterised by physical features, e.g. anisotropy, viscosity or electrical conductivity
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
Abstract
An antistatic composition comprising a polyolefin of below 2.5 g/10min melt flow rate and a polymer antistatic agent.
Description
Technical field
The present invention relates to antistatic composition.More particularly, relate to antistatic composition and the moulding product thereof that interpolation polymer static inhibitor obtains in polyolefine.
Background technology
Polypropylene, polyethylene are widely used resins, are used for all industrial fields such as vehicle, mechanical part, container, packing, building materials, daily necessities.These resins are owing to be non-conductive material, when being used for the purposes of essential static resistance, adding static inhibitor such as tensio-active agent and give static resistance in these resins.
As the resin combination that in resin, is added with static inhibitor, for example, put down in writing the antistatic behaviour polymer that contains ionic salt (A) and at least a polymkeric substance and/or elastomerics (B) in the patent documentation 1, allylic azonia and weak coordination negatively charged ion form described ionic salt (A) more than 1 by having.
In addition, put down in writing in the patent documentation 2 in containing resin and/or elastomer compositions to disperse to comprise and had antistatic composition fluorine-based and that anionic salt alkylsulfonyl forms.
But, when utilizing these methods,, may not give sufficient antistatic property for polypropylene, polyethylene.
Patent documentation 1: TOHKEMY 2005-350579 communique
Patent documentation 2: TOHKEMY 2006-137790 communique
Summary of the invention
The present invention proposes in view of the above problems, and its purpose is, antistatic composition and moulding product therefrom with sufficient antistatic property are provided.
The invention provides following antistatic composition etc.
1, antistatic composition, it contains polyolefine and the polymer static inhibitor of melt flow rate (MFR) less than 2.5 (g/10min).
2, the antistatic composition of record in above-mentioned 1, wherein, in the total amount of said polyolefins and polymer static inhibitor, the shared amount of said polyolefins is 95~60wt%, the shared amount of above-mentioned polymer static inhibitor is 5~40wt%.
3, sheet material or film, it contains the antistatic composition of record in above-mentioned 1 or 2.
4, the sheet material or the film of record in above-mentioned 3, its thickness is more than the 10 μ m.
5, layered product, it contains the sheet material or the film of record in above-mentioned 3 or 4.
6, moulding product, it contains sheet material, film or the layered product of any record in above-mentioned 3~5.
According to the present invention, can provide antistatic composition and moulding product therefrom with high-antistatic performance.
Description of drawings
[Fig. 1] is the figure of the relation of the polyacrylic MFR of presentation surface layer and surface resistivity values.
[Fig. 2] is the figure of the relation of the thickness of upper layer of expression sheet material and surface resistivity values.
[Fig. 3] is the figure of the relation of expression use level of static inhibitor and surface resistivity values.
[Fig. 4 A] is the synoptic diagram in the cross section of the sheet material of manufacturing among the embodiment 20.
[Fig. 4 B] is the synoptic diagram in the cross section of the sheet material of manufacturing among the embodiment 21.
[Fig. 4 C] is the synoptic diagram in the cross section of the sheet material of manufacturing in the comparative example 4.
[Fig. 5] is the figure of the microphotograph in the cross section of the sheet material of manufacturing among the expression embodiment 20.
[Fig. 6] is the figure of the microphotograph in the cross section of the sheet material of manufacturing among the expression embodiment 21.
[Fig. 7] is the figure of the microphotograph in the cross section of the sheet material of manufacturing in the expression comparative example 4.
Embodiment
Below, antistatic composition of the present invention is carried out specific description.
Antistatic composition of the present invention is characterised in that, contains polyolefine and the polymer static inhibitor of melt flow rate (MFR) (MFR) less than 2.5 (g/10min).The polyolefinic MFR that uses among the present invention is lower more in the past than the polyolefine that used.The present invention finds can significantly improve the antistatic property of composition by using low polyolefine and the polymer static inhibitor of MFR.
Among the present invention, MFR refers to 230 ℃, the measured value (g/10min) of load under the 2.16kg.
The polyolefine that uses among the present invention can use industrial commercially available polyolefine in no problem ground as long as its MFR does not limit especially less than 2.5.Preferred polyolefine is polypropylene, polyethylene.Polyolefinic MFR is preferably 0.3~1.6.
Polypropylene comprises homopolymer polypropylene, co-polymer polypropylene (block, random, grafting) etc.For example, E110G (MFR=0.3), the E105GM (MFR=0.5) that can use プ ラ イ system Port リ マ-Co., Ltd. to produce.Polyethylene comprises homopolymer polyethylene, copolymer polyethylene (block, random, grafting), new LDPE (film grade), high density polyethylene(HDPE) etc.For example, the HE30 (MFR=0.3) that can use プ ラ イ system Port リ マ-Co., Ltd. to produce.
When polypropylene is mixed use with polyethylene, for example, polypropylene: polyethylene=20~80:80~20.
The polymer static inhibitor that uses among the present invention except the polymer static inhibitor, also is included in the ionic conductivity polymer static inhibitor that is combined with ionic compound in the polymer static inhibitor.
The polymer static inhibitor for example is with the macromolecular compound of PEO (polyethylene oxide) chain as conductive means may in the molecule, specifically, polyethylene glycol methacrylate-styrene polymer multipolymer, polyether ester amides (PEEA), polyether ester amides imide (PEAI), polyethylene oxide-poly(propylene oxide) (PEO-PPO) multipolymer etc. are arranged.
In addition, can enumerate polyether block polyolefins multipolymer, polyoxyalkylene analog copolymer or epoxy ethane-epoxy propane-allyl glycidyl analog copolymer.
The polymer static inhibitor that uses among the present invention preferably uses the ionic conductivity polymer static inhibitor that is combined with ionic compound in the polymer static inhibitor.
Ionic conductivity polymer static inhibitor moves along macroion electricity guiding path by Li ion etc. and brings into play static resistance.Ionic conductivity polymer static inhibitor contains ionic salt and polymer static inhibitor.
As ionic salt, be preferably by having the ionic salt that allylic azonia and weak coordination negatively charged ion form more than 1.This ionic salt is owing to have macroion density, and mobility of ions is also big, so have the macroion electric conductivity.
As azonia, can enumerate aliphatics azonia, unsaturated ring type azonia, aromatics azonia.
In the aliphatics azonia, be preferably quaternary ammonium, the carbonatoms that is preferably allyl group alkyl in addition especially is 1~18 quaternary ammonium alkyl.
In addition, as unsaturated ring type azonia and aromatics azonia, can enumerate pyridine, pyridazine, pyrimidine, pyrazine, imidazoles, pyrazoles, thiazole, oxazole, triazole.If the quaternary ammonium of these unsaturated ring type azonias and aromatics azonia then more preferably.
As the weak coordination negatively charged ion that uses in the ionic salt of the present invention, so long as contain the organic anion of weak coordination fluorine, the BF of at least 1 high fluorinated alkyl alkylsulfonyl
4 -Or PF
6 -Get final product.High fluorinated alkyl alkylsulfonyl refer to whole non-fluorine carbonizations in conjunction with substituting group (
The Off Star
Charcoal
Close
Change base) with directly and the perfluoroalkyl group sulfonyl or the partially fluorinated alkyl sulphonyl of the carbon atom of alkylsulfonyl bonding bond with carbon in addition.
And ionic salt can use known method (for example, to cross " イ オ Application Ye Ti Machine energy such as limit justice
Giving birth to the と ying uses " エ ヌ テ ィ-エ ス (2004)) preparation.
In addition, as other ionic salt, can enumerate to comprise and have fluorine-based and anionic salt alkylsulfonyl.This salt uses with the state that is dissolved in the water.
Comprise and have fluorine-based and anionic salt alkylsulfonyl and form by at least a positively charged ion that is selected from least a negatively charged ion in two (fluoroalkyl alkylsulfonyl) imino-ion, three (fluoroalkyl alkylsulfonyl) methide ion, the fluoroalkyl sulfonate ion and be selected from basic metal, 2A family element, transition metal, the amphoteric metal.
In the salt that constitutes by above-mentioned negatively charged ion and positively charged ion, preferably contain two (fluoroalkyl alkylsulfonyl) imino-ion, three (fluoroalkyl alkylsulfonyl) methide ion, fluoroalkyl sulfonate ion.Specifically, be preferably two (trifyl) imino-lithium Li (CF
3SO
2)
2N, two (trifyl) imino-potassium K (CF
3SO
2)
2N, two (trifyl) imino-sodium Na (CF
3SO
2)
2N, three (trifyl) lithium Li (CF that methylates
3SO
2)
3C, three (trifyl) potassium K (CF that methylates
3SO
2)
3C, three (trifyl) sodium methylate Na (CF
3SO
2)
3C, trifluoromethanesulfonic acid lithium Li (CF
3SO
3), trifluoromethanesulfonic acid potassium K (CF
3SO
3), trifluoromethanesulfonic acid sodium Na (CF
3SO
3).
Wherein, can enumerate two (trifyl) imino-lithium, three (trifyl) methides and trifluoromethanesulfonic acid lithium.Be preferably two (trifyl) imino-lithium and trifluoromethanesulfonic acid lithium especially.
With respect to polyolefine 100 mass parts, the use level of ionic salt is preferably about 0.01~30 mass parts.
As the commercially available product of the ionic conductivity polymer static inhibitor that uses among the present invention, can enumerate サ Application コ ノ-Le TBX-25, サ Application コ ノ-Le TBX-310 etc. that Sanko Chemical Industry Co., Ltd produces.They are the static inhibitor that contain the combination of polyethers/polyolefin block copolymer and lithium ion salt compound.
Among the present invention, preferably use above-mentioned ionic conductivity polymer static inhibitor, but also can and with other polymer static inhibitor (for example ペ レ ス Star ト 203, Sanyo change into production) etc.
Further, among the present invention, the static inhibitor beyond the polymer static inhibitor for example can also and be used low molecule-type tensio-active agent (for example エ レ コ Application PP720A, big day inhibition and generation system) etc.
In the antistatic composition of the present invention, in the total amount of polyolefine and polymer static inhibitor, the shared amount of polyolefine is preferably below the 95wt%, is preferably 60~95wt% especially, and the amount of polymer static inhibitor is preferably 40~5wt%.If the amount of resin surpasses 95wt%, then surface resistivity values might increase, if the amount of resin then might can not get the original characteristic that has of resin less than 60wt%.
In the antistatic composition of the present invention, in the scope of not damaging the object of the invention, can also cooperate the resin beyond the polyolefine, various additives etc.
As resin, can enumerate for example ABS resin.
In addition, as additive, can enumerate known additives such as crystallinity nucleator, antioxidant, thermo-stabilizer, UV light absorber, fire retardant, flame retardant, tinting material, pigment, antibiotic, mould inhibitor, photostabilizer, softening agent, weighting agent.
Antistatic composition of the present invention can be to be formed or only formed by these compositions by polyolefine and polymer static inhibitor in fact." formation in fact " refers to above-mentioned composition and only contains polyolefine and polymer static inhibitor, can also contain above-mentioned known additive except these compositions.
Antistatic composition of the present invention, can use by dry type mixing etc. merely mentioned component is mixed the mixture that obtains or the particle that forms by forcing machine melting mixings such as twin shaft mixing rolls as the raw material of various moulding product.
For example, said mixture, particle can be put in extrusion shaping machine, the injection moulding machine etc., be processed into the parts of sheet material, film or various static resistances etc.In addition, can obtain layered product by coetrusion etc.Generally in the moulding product, only its surface portion has static resistance and gets final product mostly.Therefore,, consider the preferred layer that contains antistatic composition of the present invention that only on upper layer, forms from the consumption aspect that reduces static inhibitor as laminar structure.
In addition, can be by known method such as vacuum formings, formed sheet, film, layered product are made electronic component thus with containers such as pallets.
And the thickness (being the thickness that contains the upper layer of antistatic composition under the situation of laminate) that contains the sheet material of antistatic composition of the present invention is preferably below the 10 μ m.During less than 10 μ m, might be difficult to control multilayer and extrude.
In addition, when increasing the thickness of sheet material, though there is not the disadvantage of aspects such as antistatic property, then might be not preferred aspect cost if too thick.The thickness of sheet material is preferably 10 μ m~2mm especially.
[embodiment]
Below, by embodiment the present invention is carried out more specific description.Each raw material that uses among the embodiment is as described below.
MFR is the value of measuring under the 2.16kg at 230 ℃, load (g/10min).
(1) polypropylene
E110G (homo-polypropylene): プ ラ イ system Port リ マ-production, MFR=0.3
E105GM (homo-polypropylene): プ ラ イ system Port リ マ-production, MFR=0.5
E200GV (homo-polypropylene): プ ラ イ system Port リ マ-production, MFR=1.6
E330GV (homo-polypropylene): プ ラ イ system Port リ マ-production, MFR=2.4
E304GP (homo-polypropylene): プ ラ イ system Port リ マ-production, MFR=2.8
F704NT (homo-polypropylene): プ ラ イ system Port リ マ-production, MFR=8.3
E2000GV (homo-polypropylene): プ ラ イ system Port リ マ-production, MFR=18
F704NT (homo-polypropylene): プ ラ イ system Port リ マ-production, MFR=8.1
(2) polyethylene
HE30 (new LDPE (film grade)): プ ラ イ system Port リ マ-production, MFR=0.3
(3) the polymer static inhibitor of ionic conductivity
TBX-25: Sanko Chemical Industry Co., Ltd produces, trade(brand)name サ Application コ ノ-Le
Embodiment 1
Use the single shaft forcing machine, make 2 synusia materials by coetrusion.
The raw material of upper layer uses the mixture that polypropylene E110G (85wt%), static inhibitor TBX-25 (15wt%) dry type are mixed.In addition, the raw material of substrate layer uses polypropylene E105GM (100wt%).Condition during sheet forming is as described below:
Well heater design temperature: 200~240 ℃
Sheet cools temperature: 60 ℃
Sheet material pulling speed: 2m/min
Sheet thickness (total thickness): 0.4mm
The proportioning of employed polyacrylic kind, polypropylene and static inhibitor, the thickness and the surface resistivity values thereof on sheet material top layer are as shown in table 1.
And surface resistivity values is according to JIS K6911, make be shaped as the sample of 11cm * 11cm after, the sample of keeping more than 12 hours under 23 ℃, 50%RH measured.
[table 1]
Embodiment 2-4, comparative example 1-3
Except using the polypropylene shown in the table 1, operation is made 2 synusia materials and is estimated similarly to Example 1.The result is as shown in table 1.
By the result of embodiment 1-4 and comparative example 1-3, try to achieve the relation of the surface resistivity values of the polyacrylic MFR of upper layer and upper layer.The result as shown in Figure 1.In the value (longitudinal axis) of surface resistivity, 1.0E+X refers to 1 * 10
XFor example, 1.0E+08 refers to 1 * 10
8In Fig. 2, Fig. 3 too.
Can confirm that by this figure the surface resistivity values of sheet material depends on polyacrylic MFR to a great extent, change less than 2.5 regional criticality ground at MFR.
Embodiment 5-8
Except as shown in table 1, change outside the proportioning of polypropylene (E110G) and static inhibitor (TBX-25), operation is made 2 synusia materials and is estimated similarly to Example 1.The result is as shown in table 1.
Except as shown in table 1, change outside the thickness of sheet surface layer, operation is made 2 synusia materials and is estimated similarly to Example 1.The result is as shown in table 1.
Except as shown in table 1, outside the proportioning of change polypropylene (E110G) and static inhibitor (TBX-25) and the thickness of sheet surface layer, operation is made 2 synusia materials and is estimated similarly to Example 1.The result is as shown in table 1.
Embodiment 13-17
Except as shown in table 2, use polypropylene to replace polypropylene as outside the resin with polyethylene or polyethylene, operation is made 2 synusia materials and is estimated similarly to Example 1.The result is as shown in table 2.
[table 2]
Composition and proportioning | Thickness (μ m) | Surface resistivity values (Ω) | |
|
E110G/HE30/TBX25=25/60/15 | 73 | 4.5×10 8 |
Embodiment 14 | E110G/HE30/TBX25=45/40/15 | 53 | 5.4×10 8 |
|
E110G/HE30/TBX25=60/25/15 | 51 | 5.8×10 8 |
Embodiment 16 | HE30/TBX25=85/15 | 50 | 2.0×10 8 |
Embodiment 17 | HE30/TBX25=85/15 | 50 | 2.8×10 8 |
Embodiment 18
The thickness of the upper layer of 2 synusia materials and the relation of surface resistivity values are estimated.
Specifically, except the thickness of sheet surface layer being changed into 10 μ m, 130 μ m and 160 μ m, 2 synusia materials are made in operation similarly to Example 1.
Similarly, except polypropylene being changed into E105GM, the thickness of sheet surface layer being changed into 10 μ m, 120 μ m and the 150 μ m, 2 synusia materials are made in operation similarly to Example 1.
And the control of the thickness of upper layer is undertaken by making sheet material pulling speed revolution constant, that adjust forcing machine.
For the sheet material of gained, the thickness of the upper layer of sheet material and the relation of surface resistivity values are studied result such as table 3 and shown in Figure 2.
[table 3]
Embodiment 19
To the use level of static inhibitor and the relation of surface resistivity values, the thickness (50 μ m, 130 μ m and 160 μ m) that changes upper layer is estimated.
Specifically, for each thickness, except the use level that makes static inhibitor (TBX25) is 15wt%, 20wt%, 30wt% and the 40wt%, 2 synusia materials are made in operation similarly to Example 1.
The use level of the static inhibitor that is obtained by the evaluation result of sheet material and the relation of surface resistivity values are as shown in Figure 3.
Except the thickness that makes upper layer was 60 μ m, operation was made 2 synusia materials and is estimated similarly to Example 1.Surface resistivity values is 4.3 * 10
8(Ω/sq).
Further, take out the sample of 11cm * 11cm from sheet material, after the manufacturing, keeping is more than 12 hours under 23 ℃, 50%RH.Take out fine sheet from the substantial middle of this sample, with ruthenium tetroxide dye fixing after, with cryo-etching material machine (the オ ラ イ オ ミ Network ロ ト-system) material of laminating.With transmission electron microscope (H-7650, Hitachi's system) the TD direction of the sample that has been cut into fine sheet and the cross section of MD direction are observed, taken.As can be known, distribution of antistatic agent is on the full depth of upper layer, and is and intensive at middle body shown in the schematic cross-section of Fig. 4 A.That is, there is thick close distribution in the layer.The photo of Fig. 5 (* 5000) is that the intensive middle body of static inhibitor is taken the photo that obtains.
Embodiment 21
Except the proportioning that makes polypropylene (E110G) and static inhibitor (TBX-25) is that the thickness of 60:40, upper layer is the 70 μ m, operation is made 2 synusia materials and is estimated similarly to Example 1.Surface resistivity values is 6.6 * 10
7(Ω/sq).
Similarly to Example 20 the cross section of sheet material is observed, taken.As can be known, distribution of antistatic agent is on the full depth of upper layer, and is and intensive at middle body shown in the schematic cross-section of Fig. 4 B.Though there is thick close distribution similarly to Example 20 in layer, the dense degree of static inhibitor is than embodiment 20 height in the middle body.The photo of Fig. 6 (* 5000) is that the intensive middle body of static inhibitor is taken the photo that obtains.
Comparative example 4
Except use the high homo-polypropylene (F704NT) of MFR as polypropylene, to make the thickness of upper layer be the 70 μ m, operation is made 2 synusia materials and is estimated similarly to Example 1.Surface resistivity values is 2.9 * 10
11(Ω/sq).
Similarly to Example 20 the cross section of sheet material is observed, taken.Shown in the schematic cross-section of Fig. 4 C, static inhibitor only is distributed on all surfaces part of the about 20 μ m of thickness of upper layer, the thick close distribution that no embodiment 20, embodiment 21 are such.The photo of Fig. 7 (* 5000) is that the part of the surface portion that contains upper layer is taken the photo that obtains.
By Fig. 4-7 as can be known, the cross section of the sheet material of embodiment 20, embodiment 21 is compared with comparative example 4, has the intensive specific structure at middle body of static inhibitor.
Embodiment 22
The 2 synusia materials of making from embodiment 1 take out the sample of 9cm * 9cm, use stretching device (BRUCKNER corporate system), under the stretching condition of 158 ℃ of temperature, 60 seconds warm up time, speed 6m/ minute, stretch with stretching ratio 2 * 2,3 * 2,3 * 3,4 * 3 respectively.Be 10 seconds cooling time.For each sample, before and after stretching, measure surface resistivity values.The result is as shown in table 4.
[table 4]
Industrial applicibility
Antistatic composition of the present invention, such as being suitable for the antistatic behaviour container such as pallet, require vehicle part, household electrical appliance instrument parts, electronic instrument part, the electronic material of antistatic behaviour to make in instrument, battery component, the Gongyi of Information Office device parts, communication instrument, dwelling house parts, optical-mechanical components, home-use groceries, industrial parts, building materials, flooring board, the packing flow component etc. Particularly be suitable as container and the packing body materials such as pallet of the electronic components such as IC, capacitor, transistor, LSI.
Claims (6)
1. antistatic composition, it contains polyolefine and the polymer static inhibitor of melt flow rate (MFR) less than 2.5 (g/10min).
2. antistatic composition as claimed in claim 1, wherein, in the total amount of described polyolefine and polymer static inhibitor, the shared amount of described polyolefine is 95~60wt%, the shared amount of described polymer static inhibitor is 5~40wt%.
3. sheet material or film, it contains claim 1 or 2 described antistatic compositions.
4. sheet material as claimed in claim 3 or film, its thickness are more than the 10 μ m.
5. layered product, it contains claim 3 or 4 described sheet material or films.
6. moulding product, it contains any described sheet material, film or a layered product in the claim 3~5.
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JP270430/2006 | 2006-10-02 | ||
JP2006270430 | 2006-10-02 |
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JPH07251445A (en) * | 1994-03-14 | 1995-10-03 | Nippon Petrochem Co Ltd | Easily tearable polyolefin film excellent in antistatic properties and multilayered film using the same |
JP2003277622A (en) * | 2002-03-25 | 2003-10-02 | Sanko Kagaku Kogyo Kk | Antistatic composition and method for producing the same |
JP2004317763A (en) * | 2003-04-16 | 2004-11-11 | Kuraray Plast Co Ltd | Charging member |
JP2005002154A (en) * | 2003-06-10 | 2005-01-06 | Kuraray Plast Co Ltd | Sheet or film excellent in high-frequency gluing property and its use |
JP2006117739A (en) * | 2004-10-20 | 2006-05-11 | Sanwa Kako Co Ltd | Antistatic crosslinked polyolefin foam and method for producing the same |
JP4526937B2 (en) * | 2004-12-02 | 2010-08-18 | アキレス株式会社 | Antistatic base film for semiconductor manufacturing tape |
JP2006291170A (en) * | 2005-01-27 | 2006-10-26 | Techno Polymer Co Ltd | Antistatic resin composition and molded article |
JP4642499B2 (en) * | 2005-02-10 | 2011-03-02 | 株式会社プライムポリマー | Polyolefin resin composition and packaging film |
TW200736315A (en) * | 2006-03-16 | 2007-10-01 | Techno Polymer Co Ltd | Antistatic resin composition and molded article |
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TW200831657A (en) | 2008-08-01 |
WO2008041690A1 (en) | 2008-04-10 |
KR20090058007A (en) | 2009-06-08 |
JPWO2008041690A1 (en) | 2010-02-04 |
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