CN103289161B - Dustproof membrane - Google Patents
Dustproof membrane Download PDFInfo
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- CN103289161B CN103289161B CN201210588538.XA CN201210588538A CN103289161B CN 103289161 B CN103289161 B CN 103289161B CN 201210588538 A CN201210588538 A CN 201210588538A CN 103289161 B CN103289161 B CN 103289161B
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- 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
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- 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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
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- 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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
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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
- 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
- C08L23/04—Homopolymers or copolymers of ethene
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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
- 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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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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
- 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
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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- 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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
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- 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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
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Abstract
The present invention relates to the dustproof membrane for protecting car surface.Specifically containing polyvinyl resin and special polyolefins elastomer, penetrability, gas permeability and elasticity are outstanding, and do not produce the dustproof membrane for scratching and not being pasted onto car surface.
Description
Technical field
The present invention relates to the dustproof membrane for protecting car surface.Specifically contain polyvinyl resin and special polyolefins bullet
Property body and penetrability, gas permeability and elasticity are outstanding, and do not produce to scratch and be not pasted onto the dustproof membrane of car surface.
Background technology
General use prevents coating surface is scratched from protecting its surface with dust-proof lid i.e. plastic foil during automobile outbound, and
And major part all uses wrapping(Wrap guard film)Referred to as Tai Weike(TYVEK)Raw material make.
Wrapping(Wrap guard film)It is to use polyethylene(Polypropylene)And polyolefin(Polyethylene)
The adhesive protecting film of composition, surface of vehicle is fully adhered to during automobile outbound.Need to do some during using wrapping and prevent wrinkle
Or the work of bubble, because producing wrinkle or bubble, inside has moisture to produce water droplet and easily leave infringement on surface of vehicle
Vestige.And long-time is pasted to produce and aoxidizes and left a trace in surface of vehicle.
Tai Weike(TYVEK)It is the high density polyethylene (HDPE) manufactured with E.I.Du Pont Company(High Density
Polyethylene)The film of manufacture is woven, the characteristics of being difficult change, resistance to buoyancy with high intensity, physical property, and be to compile
Knit, thus lead to outside hole more have the advantages that to be easy to moisture evaporation.Tai Weike oriented polyethylene films fibers
The spun-bonded fibre shape piece of multiple clump strand manufacture, the intensity of piece, tear resistance(tear resistance)Melt well with penetrability
It is combined and is widely used.
But it is easy to stick harder and be difficult lid in car body, material by hole to there is expensive, dust in presently commercially available Tai Weike
Onboard, the problems such as easily scratching car body.
Therefore the Korean Patent Registration the 10-0961263rd that the present inventor applies for the registration of(2010.05.26)It is for solution
Described problem there is provided a kind of outstanding dustproof membrane of aeration, wherein (a) linear low density polyethylene resin included be 10 ~
30 weight %;(b) medium density polyethylene resin is 20 ~ 35 weight %;(c) calcium carbonate is 45 ~ 55 weight %.
Citation
Patent document:
(patent document 0001) Ebrean Registered Patent the 10-0961263rd (2010.05.26).
The content of the invention
It is an object of the invention to provide a kind of more flexible than traditional dustproof membrane, the break-off of inorganic particulate is less
Dustproof membrane.
And it is an object of the invention to provide a kind of intensity for having and being suitable for protecting car paint film, and with moisture-inhibiting
Property, the dustproof membrane of gas permeability.
Technical scheme
The present invention relates to dustproof membrane, including:The weight % of low density polyethylene (LDPE) 4 ~ 15, the weight of medium density polyethylene 30 ~ 45
Measure %, the weight % of high density polyethylene (HDPE) 4 ~ 8, the weight % of polyolefin elastomer 3 ~ 20, the weight % of inorganic filler 40 ~ 55.
The present invention relates to dustproof membrane, wherein also including the weight % of surface-active masterbatch 1 ~ 10, the surface-active masterbatch bag
Include the weight % of surfactant 20 ~ 40 and the weight % of low density polyethylene (LDPE) 60 ~ 80.
The present invention relates to also include selecting from the copolymer of the copolymer, ethene and acrylic acid of ethene and methacrylic acid
Ionomer or stearic acid, account for 1 ~ 10 weight % of dustproof membrane.
Beneficial effect
The present invention dustproof membrane elasticity it is very strong, inorganic particulate is not easily disconnected from, be attached to after car paint film never occur it is inorganic
The problem of particle is bonded in car paint film or produced scuffing.
The dustproof membrane of the present invention can provide a kind of penetrability and gas permeability is stronger, even when exposed to open air, color or
Physical property will not also change, and not glue or the low car paint film protection polyethylene film of friction, and provide machinery
Property high, the flexible and soft dustproof film of intensity.
The present invention, which can also be provided, prevents that vehicle coatings surface is stained with dirt or coating surface and drawn new car in transit
The film of wound.
Brief description of the drawings
Fig. 1 is film F E-SEM (1000 times) picture of the embodiment of the present invention 1;
Fig. 2 is picture when film is bonded in car paint film and remove again of the embodiment of the present invention 1;
Fig. 3 is film F E-SEM (1000 times) picture of the embodiment of the present invention 7;
Fig. 4 is the picture when film of the embodiment of the present invention 7 being pasted onto into car paint film and being removed again;
Fig. 5 is film F E-SEM (1000 times) picture of comparative example 1 of the present invention;
Fig. 6 is the picture when film of comparative example 1 of the present invention being attached into car paint film and being removed again.
Embodiment
The present invention is described in detail below.
The first pattern of the present invention is to include the weight % of low density polyethylene (LDPE) 4 ~ 15, the weight of medium density polyethylene 30 ~ 45
Measure %, the weight % of high density polyethylene (HDPE) 4 ~ 8, the weight % of polyolefin elastomer 3 ~ 20, the weight % of inorganic filler 40 ~ 55.
The second pattern of the present invention is to include the weight % of low density polyethylene (LDPE) 4 ~ 15, the weight of medium density polyethylene 30 ~ 45
Measure the % and weight % of high density polyethylene (HDPE) 4 ~ 8, polyolefin elastomer 3 ~ 20 weight %, the weight % of inorganic filler 40 ~ 55 and
The weight % of surface-active masterbatch 1 ~ 10.The surface-active masterbatch contains the weight % of surfactant 20 ~ 40 and low close
Spend the weight % of polyethylene 60 ~ 80.
The 3rd pattern of the present invention is to include the weight % of low density polyethylene (LDPE) 4 ~ 15, the weight of medium density polyethylene 30 ~ 45
The % and weight % of high density polyethylene (HDPE) 4 ~ 8, the weight % of polyolefin elastomer 3 ~ 20, the weight % of inorganic filler 40 ~ 55 are measured, with
And the ionomer or the weight of stearic acid 1 ~ 10 selected from the copolymer of the copolymer, ethene and acrylic acid of ethene and methacrylic acid
Measure %.
The 4th pattern of the present invention is to include the weight % of low density polyethylene (LDPE) 4 ~ 15, the weight of medium density polyethylene 30 ~ 45
The % and weight % of high density polyethylene (HDPE) 4 ~ 8, the weight % of polyolefin elastomer 3 ~ 20, the weight % of inorganic filler 40 ~ 55 are measured, with
And the ionomer or the weight of stearic acid 1 ~ 10 selected from the copolymer of the copolymer, ethene and acrylic acid of ethene and methacrylic acid
Measure %.The surface-active masterbatch includes the weight % of surfactant 20 ~ 40 and weight % of low density polyethylene (LDPE) 60 ~ 80.
First pattern to the 4th pattern is merely to illustrate the present invention, is not to be limited.
Each constituent element to the present invention is further described in detail below.
(Low density polyethylene (LDPE))
Heretofore described low density polyethylene (LDPE) is flexible, for improving production capacity, it is preferable that in 4 ~ 15 weights
The requirement to physical property can be met between amount %.More preferably between 6 ~ 8 weight %.Less than 4 weight %, then usability is low,
Production capacity declines, and more than 15 weight %, then physical property reduces and can not embody the special nature that product has.
Illustrate and be exactly, using melt index between 7.0 ~ 14.0g/10min (190 DEG C, 2.16kg), density
Between 0.915 ~ 0.920, more preferred with melt index 7.5 ~ 7.7g/10min (190 DEG C, 2.16kg) it
Between, density is between 0.917 ~ 0.919, it is possible to produce mechanicalness physical property or physical by ultraviolet thermalization etc.
Matter is difficult the film of reduction.The commercial examples of the low density polyethylene (LDPE) are the Grade 955 of Korea Spro and petrochemistry, but not
It is limited to this.
(medium density polyethylene)
Heretofore described medium density polyethylene is used to assign film mechanicalness physical property, preferably 30 ~
Between 45 weight %, more preferably between 35 ~ 40 weight %.Less than 30 weight %, it is not enough to embody demand intensity, more than 45
Weight %, film is hardened and does not reach aeroelastic requirements.
Further illustrate, using melt index between 2.0 ~ 5.0g/10min (190 DEG C, 2.16kg), density range
Mechanicalness physical property can be improved between 0.928 ~ 0.936, it is highly preferred that using melt index in 3.0 ~ 5.0g/
Between 10min (190 DEG C, 2.16kg), then manufactured film of the density between 0.930 ~ 0.932 is even when exposed to family
Outside, the change of color or physical property is small, and inorganic particulate is not easily disconnected from, and meets application target.The business of the medium density polyethylene
Industry example is the RG300U of SK synthetic chemistries, FT-811 etc., but is not limited to this.
(high density polyethylene (HDPE))
Heretofore described high density polyethylene (HDPE) is used to improve thin film strength, and it is in 4 ~ 8 weights using content
Measure % between, more preferably between 5 ~ 7 weight % using i.e. can reach the purpose.Less than 4 weight %, it is impossible to reach intensity
It is required that, weight percent is easily caused very much surface of vehicle more than 8%, then and produces scuffing firmly.
Further illustrate, melt index is between 6.0 ~ 8.5g/10min (190 DEG C, 2.16kg), and density is 0.960
Between ~ 0.965, the film strength of product demand can be embodied.It is highly preferred that melt index is in 7.0 ~ 8.5g/10min
Between (190 DEG C, 2.16kg), density is between 0.962 ~ 0.963.The commercial examples of the high density polyethylene (HDPE) are SK
JH910 of synthetic chemistry etc., but it is not limited to this.
(polyolefin elastomer)
Heretofore described polyolefin elastomer is used to prevent inorganic particulate break-off, improves elasticity, it is 3 ~ 20
Between weight %, it is highly preferred that between 5 ~ 10 weight %.Anti- inorganic particulate is then unable to reach less than 3 weight % to depart from and elasticity
It is required that, more than 20 weight %, then elasticity is too high and intensity is reduced on the contrary.
More specifically, it is preferred to use melting temperature(Tm), then out of doors can be with during exposure under high temperature more than 50 DEG C
Prevent from being bonded at car paint film surface.More specifically, it is preferred to use melting temperature(Tm)Between 50 ~ 90 DEG C, then film
It is easy to remove.
The polyolefin elastomer be can use using metallocene catalyst polymerisation ethene and(C3~C15)Alpha-olefin,
With the polymer elastomer of non-covalent diolefinic monomer, it is preferred to use melt index 0.9 ~ 1.1g/10min (190 DEG C,
Between 2.16kg), density is between 0.870 ~ 0.908, then its elasticity can reach use requirement, and anti-inorganic particulate
Depart from excellent.The commercial examples of the polyolefin elastomer for Dow Chemical companies Engage 8540,
Engage 8100, the Lucene LC-100 of LG chemical companies, Lucene LC-170, but it is not limited to this.
(inorganic filler)
Heretofore described inorganic filler forms passage in orientation process and assigns membrane gas treatment when being manufacture film
Property and penetrability, therefore it is cated or do not have it is cated can be used.It is beneficial to raising using not having cated inorganic filler
Aeration, using not having a cated inorganic filler then usability is outstanding and the mechanical property of film is protruded.
Concrete example explanation is exactly can be from calcium carbonate, silica, barium sulfate, magnesium sulfate, calcium sulfate, talcum, kaolin, hydrogen
Selected in aluminum oxide, magnesium hydroxide, zinc oxide, aluminum oxide, titanium dioxide, mica, zeolite, diatomite, magnesium carbonate, clay a kind of
Or two or more mixtures is used, and is advisable especially with calcium carbonate.The inorganic filler is existed using average grain diameter specification
Between 1.5 ~ 4.0 μm, have more preferred with can just produce between 2.0 ~ 3.0 μm and do not damage the physical of film
Matter and the outstanding film of aeration.The then aeration that average grain diameter is less than 1.5 μm is good, more than 4.0 μm then in thin film fabrication mistake
Tear, hole and the inferior phenomenon of low intensity are easily produced in journey.
Its content is, it is preferred to use between 40 ~ 55 weight %, can play in the scope to moisture permeability and
The requirement of aeration.
(surface-active masterbatch)
The present invention is can to increase surface-active masterbatch on demand, reduces the contact with surface of vehicle and assigns antistatic
Property, reduce the phenomenon that the inorganic particulate of film departs from.Surfactant is when melt extruded is manufactured into film together with other resins,
Because mixing property is bad and scattered uneven, can also produce to film surface move the problem of, therefore the present invention is with masterbatch form
Manufacture is used and is characterized.The surface-active masterbatch comprising the weight % of surfactant 20 ~ 40 and low density polyethylene (LDPE) 60 ~
80 weight %.
The surfactant can use common surfactant, but preferably, by fatty acid glyceride
(Glycerin Fatty Acid Ester), fatty amine(Fatty Amine)Respectively or it is used in mixed way, can when being used in mixed way
With with 1 ~ 99:99 ~ 1 weight ratios are used in mixed way.
The low density polyethylene (LDPE) is to use and foregoing low density polyethylene (LDPE) identical, but it is also possible to using other.
The masterbatch is can to mix the weight % of surfactant 20 ~ 40 and weight % of low density polyethylene (LDPE) 60 ~ 80
Manufacture, is specifically to mix to manufacture with 40 ~ 60 Bar pressure preferably at a temperature of 150 ~ 210 DEG C.
The content of the surface-active masterbatch is that its weight percent can be between 1 ~ 10 weight %, preferably
Between 4 ~ 8 weight %, so as to reach the application target for preventing that inorganic particulate from departing under the scope, and contact is prevented
The effect of car paint film is also protruded.
(ionomer)
The present invention is ionomer can be increased into 1 ~ 10 weight % on demand.The ionomer be by ethene and methacrylic acid,
Acrylic acid and ethene carry out the copolymer of ionomer with metal ion, and melt index is preferably in 0.1 ~ 10g/10min (190
DEG C, 2,160g) between.Ionomer is used for the film for manufacturing mechanical strength and flexible sum.Increasing ionomer can be further
Strengthen the dispersiveness of calcium carbonate.Less than 1 weight % then DeGrains, more than 10 weight % then cost increase and should not adopt.
(stearic acid)
The present invention is to be further added by stearic acid on demand or its salt is used, so as to improve the mixing of polyvinyl resin and inorganic filler
Property, to strengthen the mixing with other additives.Preferably, using in 1 ~ 10 weight %, mixing can be improved.
(other additives)
Even if the present invention the film without special suggestion, can also from the Chinese white typically used, UV stabilizer,
A kind of additive component is at least selected to add in antioxidant, ultra-violet absorber, wetting agent, spices and lubricant, its
Usage amount is that 7 weight % of preferably no more than total content are advisable.More preferably between 3 ~ 6 weight %.
Illustrate below and the present invention is specifically illustrated, but the invention is not restricted to following examples.
Following physical property is determined by the following procedure.
1) tensile strength (N/25mm)
Use Instron(Instron)The universal material testing instrument of company, to wide 25mm, long 100mm film block with
20mm/min elongation speed is tested, from operating direction(MD)Go out the intensity and elongation when rupturing with cross measure.
2) elongation (%)
Use Instron(Instron)The universal material testing instrument of company, to wide 25mm, long 100mm film block with
20mm/min elongation speed is tested, from operating direction(MD)Go out the intensity and elongation when rupturing with cross measure.
3) moisture permeability (g/m2·day)
Measured according to ASTM E 96-63.
4) it is elastic
It is estimated with touch sense, A represents very flexible and smooth, and B represents flexible and smooth, and C represents hard thick
It is rough.
5) scratch
It is pasted onto in car paint film, football is freely fallen from 1m height.This process be repeated after 10 times peel off it is thin
Whether the film film that detects by an unaided eye produces scuffing.
[embodiment 1]
Use melt index 7.7g/10min (190 DEG C, 2.16kg), the Korea Spro and petrochemistry Grade of density 0.919
955 (hereinafter referred to as LDPE-1) are used as low density polyethylene (LDPE).
Using melt index 5.0g/10min (190 DEG C, 2.16kg), the SK synthetic chemistries RG300U of density 0.930 (with
Lower abbreviation MDPE-1) it is used as medium density polyethylene.
Using melt index 8.5g/10min (190 DEG C, 2.16kg), the JH910 of the SK synthetic chemistries of density 0.962 (with
Lower abbreviation HDPE-1) it is used as high density polyethylene (HDPE).
Using melt index 1.0g/10min (190 DEG C, 2.16kg), the Dow Chemical companies of density 0.870
Engage8100 (hereinafter referred to as POE-1) is used as polyolefin elastomer.
Use the stearic calcium carbonate of coating(Average grain diameter 1.5, Yabashi Korea, YK-1C)Filled out as inorganic
Material.
By the low density polyethylene (LDPE)(LDPE-1)6 weight %, medium density polyethylene(MDPE-1)30 weight %, high density are gathered
Ethene(HDPE-1)5 weight %, polyolefin elastomer(POE-1)5 weight % and the weight % of calcium carbonate 54 are put into and enjoy She Er mixers,
Then hard bead is manufactured into after being kneaded about 3 minutes with 220 DEG C of temperature with two axle kneading machines.
The hard bead is shaped to film with 240 DEG C temperature melting in T-shaped extruder, this film is then used 60
DEG C temperature heating after between preheated nip roll and draw roll along longitudinal 1.5 times of drawing-off, transversely 1 times of drawing-off is quantitatively reached
100g/ ㎡ film.Then the physical property for determining film is recorded in table 1.Fig. 1 is to utilize FE-SEM by the film surface of manufacture
The picture of 1000 times of amplification.
As shown in figure 1, stomata is small, uniformly, and surface is smooth.
And the film is bonded on the film of front hood part of automobile, then 500ml water is poured on thin
On film, make disengaging condition more severe.Then place 10 hours out of doors.Then peel off the film of automobile and represented with Fig. 2.Such as
Shown in Fig. 2, break-off does not occur completely for the surface of calcium carbonate.
[embodiment 2 ~ 6]
It is described in table 1 below, in addition to content range is different, using raw material similarly to Example 1, with same method
Manufacture.Its physical property record is determined after manufacture film in table 1 below.
[table 1] (unit:Weight %)
As described in Table 1, do not have to scratch in embodiments of the invention, intensity and moisture permeability are outstanding, and inorganic particulate does not have
Generation break-off.
[embodiment 7 ~ 12]
Such as table 2 below, in addition to content range is different, using raw material similarly to Example 1, with same method system
Make.Its physical property record is determined after manufacture film in table 2 below.
[table 2] (unit:Weight %)
As described in Table 2, break-off does not occur for inorganic particulate, and elasticity is strong, and intensity and moisture permeability are outstanding.
[embodiment 13]
Except using melt index 1.0g/10min (190 DEG C, 2.16kg), the LG chemical companies of density 0.900
Lucene LC-100(Hereinafter referred to as POE-2) as polyolefin elastomer outside, it is other with the same bar of the embodiment 1
Tested under part.Physical properties after film are manufactured to record in table 3.And amplified the film of manufacture using FE-SEM
Represented after 1000 times with Fig. 3.As shown in figure 3, stomata is small, uniformly, surface is smooth.
And the film is pasted onto on the film of front hood part of automobile, then 500ml water is fallen
On film, make disengaging condition more severe.Then place 10 hours out of doors.Then peel off the film of automobile and use Fig. 2 tables
Show.As shown in figure 4, break-off does not occur completely for the surface of calcium carbonate.
[embodiment 14 ~ 15]
Such as table 3 below, in addition to content range is different, using raw material similarly to Example 13, with same method system
Make.Its physical property record is determined after manufacture film in table 3 below.
[table 3] (unit:Weight %)
As shown in table 3, the content increase of polyolefin elastomer, the elasticity of film is improved therewith.
[embodiment 16 ~ 17]
With 20 weight % surfactant(Fatty acid glyceride:Fatty amine weight ratio is 3:7)And low density polyethylene (LDPE)
(LDPE-1)Masterbatch is made by mixing into 80 weight %.(Hereinafter referred to as S-M/B)
It is other thin according to method manufacture similarly to Example 1 in addition to the content use of the masterbatch according to the form below 4
Film.Its physical property record is determined after manufacture film in table 4 below.
[embodiment 18 ~ 19]
Use the g/10min of melt index 1.3 (190 DEG C, 2.16 Kg), the g/cm of density 0.9403E.I.Du Pont Company
Surlyn 1601 is used as ionomer.
In addition to the content use of the ionomer according to the form below 4, others are thin using method manufacture similarly to Example 1
Film.Its physical property record is determined after manufacture film in table 4 below.
[table 4] (unit:Weight %)
As shown in table 4, containing surface-active masterbatch or during ionomer, physical quality uniformity is further enhanced.
[comparative example 1]
In addition to without the polyolefin elastic in the embodiment 1 is used, others use side same as Example 1
Legal system makes film.Its physical property table 5 is determined after manufacture film to show.And the film of manufacture is amplified 1000 times with FE-SEM
Shown afterwards with Fig. 5.As can be seen from Figure 5, the pore opening of formation is uneven, rough.
And the film is pasted onto on the film of front hood part of automobile, then 500ml water is fallen
On film, make disengaging condition more severe.Then place 10 hours out of doors.Then peel off the film of automobile and shown with Fig. 6
Show.As shown in fig. 6, break-off has occurred for the surface of calcium carbonate, it can also be observed that such as white line and the break-off of water ripples.
[comparative example 2 ~ 6]
Such as the synthetic method manufacture film of table 5 below, its physical property is recorded in table 5 below.
[table 5] (unit:Weight %)
As shown in table 5, comparative example 1 is that moisture permeability is too high, and the foreign matter such as dust is possible to inside osmotic membrane, occurs inorganic grain
The phenomenon that son departs from.Comparative example 2 to comparative example 3 is also that moisture permeability is too high, and the foreign matter such as dust is possible to inside osmotic membrane, is occurred
The phenomenon that inorganic particulate departs from.Comparative example 4 is that elasticity is low, is scratched.Comparative example 5 and comparative example 6 are that moisture permeability is too low, film
It is bonded in car paint film and aeration is bad, and then the phenomenon that inorganic particulate departs from, car paint film surface also produces spot.
Claims (4)
1. a kind of dustproof membrane, it is characterised in that including:
The weight % of low density polyethylene (LDPE) 4 ~ 15, the weight % of medium density polyethylene 30 ~ 45, the weight % of high density polyethylene (HDPE) 4 ~ 8,
The weight % of polyolefin elastomer 3 ~ 20, the weight % of inorganic filler 40 ~ 55;
The melt index of the low density polyethylene (LDPE) is 7.0 ~ 14.0g/10min (190 DEG C, 2.16kg), and density is 0.915
~ 0.920g/ cm3;
The melt index of the medium density polyethylene is 2.0 ~ 5.0g/10min (190 DEG C, 2.16kg), and density is 0.928
~ 0.936g/ cm3;
The melt index of the high density polyethylene (HDPE) is 6.0 ~ 8.5g/10min (190 DEG C, 2.16kg), and density is 0.960
~ 0.965g/ cm3;
The polyolefin elastomer is alpha-olefin, the non-covalent alkadienes for the ethene and C3 ~ C15 for using metallocene catalyst polymerisation
The polymer elastomer of monomer;
The melt index of the polyolefin elastomer is 0.9 ~ 1.1g/10min (190 DEG C, 2.16kg), and density is 0.870
~ 0.908g/ cm3。
2. dustproof membrane according to claim 1, it is characterised in that
The dustproof membrane also includes the weight % of surface-active masterbatch 1 ~ 10, and the surface-active masterbatch includes surface-active
The weight % of agent 20 ~ 40 and weight % of low density polyethylene (LDPE) 60 ~ 80.
3. dustproof membrane according to claim 1, it is characterised in that
The inorganic filler is from calcium carbonate, silica, barium sulfate, magnesium sulfate, calcium sulfate, talcum, kaolin, aluminium hydroxide, hydrogen
The one or two selected in magnesia, zinc oxide, aluminum oxide, titanium dioxide, mica, zeolite, diatomite, magnesium carbonate, clay
Mixture above.
4. dustproof membrane according to claim 1 or 2, it is characterised in that
The dustproof membrane also include selected from the copolymer of the copolymer, ethene and acrylic acid of ethene and methacrylic acid from
Polymers or the weight % of stearic acid 1 ~ 10.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR10-2012-0019429 | 2012-02-27 | ||
KR1020120019429A KR101179249B1 (en) | 2012-02-27 | 2012-02-27 | Dust proof film |
Publications (2)
Publication Number | Publication Date |
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CN103289161A CN103289161A (en) | 2013-09-11 |
CN103289161B true CN103289161B (en) | 2017-10-03 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201210588538.XA Active CN103289161B (en) | 2012-02-27 | 2012-12-31 | Dustproof membrane |
Country Status (3)
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KR (1) | KR101179249B1 (en) |
CN (1) | CN103289161B (en) |
WO (1) | WO2013129759A1 (en) |
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CN109928649A (en) * | 2019-05-07 | 2019-06-25 | 陈贞辉 | A kind of energy-saving glass and preparation method thereof for building |
CN114702741B (en) * | 2022-03-31 | 2023-11-03 | 金发科技股份有限公司 | Low-density polyethylene material and preparation method and application thereof |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06104733B2 (en) * | 1986-07-16 | 1994-12-21 | 住友化学工業株式会社 | Breathable film and manufacturing method thereof |
KR19980066537A (en) * | 1997-01-25 | 1998-10-15 | 황선두 | Breathable film |
JPH10292059A (en) * | 1997-02-19 | 1998-11-04 | Mitsui Chem Inc | Production of air-permeable film |
WO2002036698A2 (en) * | 2000-11-06 | 2002-05-10 | A. Schulman, Inc. | Polyolefin film for use as a non-staining masking film |
AUPS146402A0 (en) * | 2002-03-28 | 2002-05-09 | Compco Pty Ltd | Nanofiller compositions |
KR101186268B1 (en) | 2002-06-26 | 2012-09-27 | 애버리 데니슨 코포레이션 | Oriented films comprising polypropylene/olefin elastomer blends |
ATE389691T1 (en) | 2004-03-29 | 2008-04-15 | Pirelli & C Spa | THERMOPLASTIC ELASTOMER CONTAINING VULCANIZED RUBBER IN DISTRIBUTED FORM |
KR100773735B1 (en) * | 2006-05-11 | 2007-11-09 | (주)대명화학 | Dust proof film and its preparation method |
KR100961263B1 (en) * | 2009-12-18 | 2010-06-03 | (주)대명화학 | Dust proof film |
-
2012
- 2012-02-27 KR KR1020120019429A patent/KR101179249B1/en active IP Right Grant
- 2012-12-04 WO PCT/KR2012/010415 patent/WO2013129759A1/en active Application Filing
- 2012-12-31 CN CN201210588538.XA patent/CN103289161B/en active Active
Also Published As
Publication number | Publication date |
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WO2013129759A1 (en) | 2013-09-06 |
KR101179249B1 (en) | 2012-09-03 |
CN103289161A (en) | 2013-09-11 |
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