CN102585365A - Coating-free polypropylene composition with paint brightness and metal texture and preparation method thereof - Google Patents
Coating-free polypropylene composition with paint brightness and metal texture and preparation method thereof Download PDFInfo
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- CN102585365A CN102585365A CN2012100360116A CN201210036011A CN102585365A CN 102585365 A CN102585365 A CN 102585365A CN 2012100360116 A CN2012100360116 A CN 2012100360116A CN 201210036011 A CN201210036011 A CN 201210036011A CN 102585365 A CN102585365 A CN 102585365A
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Abstract
The invention discloses a coating-free polypropylene composition with paint brightness and metal texture, which is prepared from the following components in percentage by mass: 50-99.8% of polypropylene, 0-20% of elastomer, 0-30% of talc powder, 0.1-2% of sheet-shaped aluminum powder and 0.1-2% of color brighter, wherein the mass ratio of the sheet-shaped aluminum powder to the color brighter is 1:(2-5). The coating-free polypropylene composition with paint brightness and metal texture can be directly made into a component through injection molding, wherein the component has excellent paint brightness and metal texture, and the appearance effect of the component is close to a paint coating effect. The preparation method of the coating-free polypropylene composition with paint brightness and metal texture has the advantages of avoiding complex operation of the traditional paint coating technique, greatly simplifying operation steps, being simple in preparation process, having low device requirement and high product yield, saving energy, protecting environment and reducing cost.
Description
Technical field
The invention belongs to the modified plastics field, be specifically related to a kind of polypropene composition, particularly a kind of have the glossy metal-like of paint polypropene composition of exempting to spray and preparation method thereof and an application.
Background technology
Plastics satisfy that automobile is attractive in appearance, comfortable, safe, anticorrosion, aspect such as lightweight and design freedom plays the irreplaceable effect of other material.Automobile with many plastics varieties in, exploitation and the application of MODIFIED PP material on automobile is the focus that automotive industry and plastics industry are paid close attention to always.Can obtain to satisfy the MODIFIED PP material of various trolley part different function requirements through various modification processing means; Its excellent cost performance in addition; Make various toughness reinforcing, fill, strengthen the PP material and in each big assembly system of automobile, obtained widespread use, the PP material has become on the automobile the maximum kind of consumption in all plastic materials.The PP material is widely used because its wide material sources, density are little, harmonious good, the resistance to chemical attack of mechanics, be prone to processing and outstanding advantage such as cheap.
For the MODIFIED PP material, not only need good impact property, processing characteristics, but also need good paint adhesion ability.The paint spraying rear bumper has good surface appearance, produces fine visual effect.Bumper material behind the paint spraying will be through experiments such as anti-gasoline, moisture-proof, water-fast and adherences.If the surface tension of bumper material is low, these tests can't be passed through.Because the PP material is non-polar material, surface energy is low, makes that its consistency with most polymers is poor, is difficult for soaking into, bonding and printing, and coating property is poor, and is low with the cohesive strength of coating, so will reach and can spray, and just needs its polarity of certain methods raising.Usually plastics are in order to improve the surface tension on surface; Promptly improve PASS, before application, at first need carry out surface treatment; Eliminate antistatic and dust adsorbed greasy dirt through solvent; Carry out surface-treated with flame, corona discharge, tensio-active agent, gas plasma etc., improve the polar group on surface, enhancement coating sticking power.This type technological difficulties be should form uniform surface, again can not excessive handling, otherwise can cause the polymer chain fracture on surface, thus the performance of influence.
CN101423637A and CN101717548A disclose a kind of high-polarity polypropylene material that can directly spray respectively; Improve the polarity of polypropylene material through grafting, interpolation polar material; Increase surfactivity; Form physical adsorption or chemically bonded with the various chemical ingredientss in the paint, realized need not the effect that flame treating can spray.But this kind method still need be carried out spraying process, and the easy residual monomer of coating, causes in-vehicle air pollution.CN101392077A discloses a kind of polypropylene color master-batch with pearlescent interference effect, is used for the processing of polypropylene articles, but the look mother of this band pearlescent interference effect can not produce metal effect, and it is glossy not have paint.
Summary of the invention
For the shortcoming and deficiency that overcomes prior art; Primary and foremost purpose of the present invention is to provide a kind of polypropene composition that the glossy metal-like of paint exempts to spray that has; Said composition product good article rate is high, the low and environmental protection of cost, and the prepared product that obtains has the glossy and metal-like of good paint.
Another object of the present invention is to provide above-mentioned preparation method with polypropene composition that the glossy metal-like of paint exempts to spray.
A purpose more of the present invention is to provide above-mentioned purposes with polypropene composition that the glossy metal-like of paint exempts to spray.
The object of the invention is realized through following technical proposals:
A kind of have the glossy metal-like of a paint polypropene composition of exempting to spray, and prepared by the composition of following mass percent:
Vestolen PP 7052: 50～99.8%
Elastomerics: 0～20%
Talcum powder: 0～30%
Flake aluminum: 0.1～2%
Color and luster brightener: 0.1～2%;
It is preferably, a kind of that to have the glossy metal-like of the paint polypropene composition of exempting to spray be that composition by following mass percent prepares:
Vestolen PP 7052: 57～99.2%
Elastomerics: 0～20%
Talcum powder: 0～25%
Flake aluminum: 0.2～1%
Color and luster brightener: 0.6～2%;
Wherein, the mass ratio of flake aluminum and color and luster brightener is 1: (2～5), preferred 1: (2～3).
Described Vestolen PP 7052 is COPP or HOPP; Ethylene content is 4-10mol% in the described COPP; The percent crystallinity of said HOPP is more than 70%, and degree of isotacticity is greater than 99%; The melt flow rate(MFR) of said COPP and HOPP (2.16kg/230 ℃) is 5-200g/10min.
Described elastomerics is ethylene-propylene copolymer or ethylene-octene copolymer, and said elastomeric density is 0.850-0.900g/cm
3
Described talcum powder is D50 and/or D97, and wherein the particle diameter of D50 is 2～20 μ m, and the particle diameter of D97 is 10～45 μ m.
The particle diameter of said flake aluminum is 5-300 μ m, preferred 8-100 μ m.The particle diameter of flake aluminum is relevant with the metal-like of polypropene composition of the present invention, and the excessive flake aluminum of particle diameter can cause the compsn mechanical properties decrease.
Described color and luster brightener is the mica of coated by titanium dioxide or the silicate glass of coated by titanium dioxide, the mica of preferred flaky coated by titanium dioxide and the silicate glass of coated by titanium dioxide; The mica of described coated by titanium dioxide and the silicate glass of coated by titanium dioxide are synthetic, and purity is higher than 95%, and particle diameter is 10-150 μ m, preferred 10-80 μ m.Wherein, the purity of the mica of coated by titanium dioxide and the silicate glass of coated by titanium dioxide and particle diameter are glossy relevant with polypropene composition of the present invention, and purity is high more, the color and luster brightener of suitable particle diameter can give compsn excellent glossy.
Above-mentioned preparation method with the glossy metal-like of the paint polypropene composition of exempting to spray may further comprise the steps:
(1) Vestolen PP 7052 is mixed with elastomerics, add talcum powder, flake aluminum, color and luster brightener again and be mixed together, obtain Preblend;
(2) Preblend melt extrudes, obtains having the polypropene composition that the glossy metal-like of paint exempts to spray behind the vacuum granulation through forcing machine;
The described mixing of step (1) is in high mixer, to carry out, 800～1500 rev/mins of rotating speeds;
The described forcing machine of step (2) is a twin screw extruder, and it is 190～250 ℃ that screw rod is respectively distinguished temperature.
Above-mentioned have the glossy metal-like of the paint polypropene composition of exempting to spray and can be used for making inner and outer decorative parts of automobile, like interceptor, flow deflector, door handle, collision bumper, door-plate, test board etc.
The present invention has following advantage and effect with respect to prior art:
1, of the present invention have the glossy metal-like of the paint polypropene composition of exempting to spray and can directly be injection molded into product, and product has the glossy and metal-like of good paint, and its appearance is close with the effect of spraying paint.
2, of the present invention have the glossy metal-like of the paint polypropene composition of exempting to spray and removed the troublesome operation that tradition is sprayed paint from, simplify working process greatly, and preparation technology is simple, and equipment requirements is low, and the product good article rate is high, also energy-conserving and environment-protective when reducing cost.
Embodiment
Below in conjunction with embodiment the present invention is described in further detail, but embodiment of the present invention is not limited thereto.
Embodiment 1
A kind of have the glossy metal-like of a paint polypropene composition of exempting to spray, and prepared by following method:
Take by weighing the mica (purity is 95%, and particle diameter is 10 μ m) of HOPP, flake aluminum (particle diameter is 5 μ m), coated by titanium dioxide by table 1 prescription.The mica of HOPP, flake aluminum, coated by titanium dioxide was mixed in mixing machine 1～3 minute, and rotating speed is 800～1500 rev/mins, obtains Preblend; Preblend melt extrudes through twin screw extruder, and it is 190～250 ℃ that screw rod is respectively distinguished temperature, and vacuum granulation makes has the glossy Vestolen PP 7052 of exempting to spray of paint.
Estimate the glossy and metal-like of paint of injection moulding model, concrete opinion rating is listed in table 1.
Embodiment 2
A kind of have the glossy metal-like of a paint polypropene composition of exempting to spray, and prepared by following method:
Take by weighing the mica (purity is 98%, and particle diameter is 50 μ m) of HOPP, ethylene-propylene copolymer, talcum powder, flake aluminum (particle diameter is 50 μ m), coated by titanium dioxide by table 1 prescription.With Vestolen PP 7052, elastomerics high-speed mixer and mixing 1～3 minute; Added behind the mica of talcum powder, flake aluminum, coated by titanium dioxide remix then 1～3 minute; Rotating speed is 800～1500 rev/mins, obtains Preblend, and Preblend melt extrudes through twin screw extruder; It is 190～250 ℃ that screw rod is respectively distinguished temperature, and vacuum granulation makes has the glossy Vestolen PP 7052 of exempting to spray of paint.
Estimate the glossy and metal-like of paint of injection moulding model, concrete opinion rating is listed in table 1.
Embodiment 3
A kind of have the glossy metal-like of a paint polypropene composition of exempting to spray, and prepared by following method:
Take by weighing the mica (purity is 98%, and particle diameter is 80 μ m) of HOPP, ethylene-octene copolymer, talcum powder, flake aluminum (particle diameter is 100 μ m), coated by titanium dioxide by table 1 prescription.Blending means and preparation method estimate the glossy and metal-like of paint of injection moulding model with embodiment 2, and concrete opinion rating is listed in table 1.
Embodiment 4
A kind of have the glossy metal-like of a paint polypropene composition of exempting to spray, and prepared by following method:
Take by weighing the silicate glass (purity is 95%, and particle diameter is 30 μ m) of COPP, talcum powder, flake aluminum (particle diameter is 200 μ m), coated by titanium dioxide by table 1 prescription.With in mixing machine, mixing behind the silicate glass of Vestolen PP 7052, talcum powder, flake aluminum, coated by titanium dioxide 1～3 minute, rotating speed is 800～1500 rev/mins, obtains Preblend, and the preparation method is with embodiment 2.Estimate the glossy and metal-like of paint of injection moulding model, concrete opinion rating is listed in table 1.
Embodiment 5
A kind of have the glossy metal-like of a paint polypropene composition of exempting to spray, and prepared by following method:
Take by weighing the silicate glass (purity is 97%, and particle diameter is 150 μ m) of COPP, ethylene-octene copolymer, talcum powder, flake aluminum (particle diameter is 300 μ m), coated by titanium dioxide by table 1 prescription.Blending means and preparation method estimate the glossy and metal-like of model paint of injection moulding with embodiment 2, and concrete opinion rating is listed in table 1.
The raw material of polypropene composition is formed and effect assessment among table 1 embodiment
Annotate: the numerical value in the table is the per-cent of each ingredients constitute polypropene composition raw material total mass.
Comparative Examples 1
A kind of polypropene composition is prepared by following method:
Take by weighing HOPP, common aluminium powder by table 2 prescription.HOPP, common aluminium powder were mixed in mixing machine 1～3 minute, and rotating speed is 800～1500 rev/mins, obtains Preblend; Preblend melt extrudes through twin screw extruder, and it is 190～250 ℃ that screw rod is respectively distinguished temperature, vacuum granulation.Estimate the glossy and metal-like of paint of injection moulding model, concrete opinion rating is listed in table 2.
Comparative Examples 2
A kind of polypropene composition is prepared by following method:
Take by weighing HOPP, flake aluminum by table 2 prescription.HOPP, flake aluminum were mixed in mixing machine 1～3 minute, and rotating speed is 800～1500 rev/mins, obtains Preblend; Preblend melt extrudes through twin screw extruder, and it is 190～250 ℃ that screw rod is respectively distinguished temperature, vacuum granulation.Estimate the glossy and metal-like of paint of injection moulding model, concrete opinion rating is listed in table 2.
Comparative Examples 3
A kind of polypropene composition is prepared by following method:
Take by weighing the mica of HOPP, ethylene-octene copolymer, talcum powder, common aluminium powder, coated by titanium dioxide by table 2 prescription.Blending means and preparation method estimate the glossy and metal-like of paint of injection moulding model with embodiment 2, and concrete opinion rating is listed in table 2.
Comparative Examples 4
A kind of polypropene composition is prepared by following method:
Take by weighing the mica of COPP, talcum powder, flake aluminum, coated by titanium dioxide by table 2 prescription.Method for mixing and preparation method are with embodiment 4.Estimate the glossy and metal-like of paint of injection moulding model, concrete opinion rating is listed in table 2.
Comparative Examples 5
A kind of polypropene composition is prepared by following method:
Take by weighing the mica of COPP, ethylene-octene copolymer, talcum powder, flake aluminum, coated by titanium dioxide by table 2 prescription.Method for mixing and preparation method are with embodiment 2.Estimate the glossy and metal-like of paint of injection moulding model, concrete opinion rating is listed in table 2.
Comparative Examples 6
A kind of polypropene composition is prepared by following method:
Take by weighing COPP, ethylene-octene copolymer, talcum powder, flake aluminum, nacreous mica powder by table 2 prescription.Method for mixing and preparation method are with embodiment two.Estimate the glossy and metal-like of paint of injection moulding model, concrete opinion rating is listed in table 2.
The raw material of polypropene composition is formed and effect assessment in table 2 Comparative Examples
Annotate: the numerical value in the table is the per-cent of each ingredients constitute polypropene composition raw material total mass.
Model paint is glossy following with the metal-like evaluation method among the table 1-2:
The member who chooses five process paint color and luster brightness trainings paints glossy and the metal-like level evaluation as evaluation group to the injection moulding model.Wherein paint the glossy Three Estate that is divided into: excellent, general, poor; Metal-like also is divided into Three Estate: strong, in, a little less than.With a certain evaluation grade person in the majority is the attribute ratings of this model performance.When if the same model different evaluation personnel evaluation grade of appearance differs big, need paint color and luster brightness training to estimating the group member once more.
1-2 can find out by table, and the model that common aluminium powder is processed (Comparative Examples 1 and 3) surface paint is glossy all poor with metal-like, and there is excellent metal-like on the model that flake aluminum is processed (Comparative Examples 2,4-6) surface, but paints glossy relatively poor.Have only and add flake aluminum and gloss brightener (embodiment 1-5) simultaneously, and the mass ratio of flake aluminum and color and luster brightener is 1: when (2～5), the surface that makes model just has the excellent glossy and good metal texture of paint simultaneously.
The foregoing description is a preferred implementation of the present invention; But embodiment of the present invention is not restricted to the described embodiments; Other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; All should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. one kind has the glossy metal-like of the paint polypropene composition of exempting to spray, and it is characterized in that: be that composition by following mass percent prepares:
Vestolen PP 7052: 50～99.8%
Elastomerics: 0～20%
Talcum powder: 0～30%
Flake aluminum: 0.1～2%
Color and luster brightener: 0.1～2%;
The mass ratio of described flake aluminum and color and luster brightener is 1: (2～5);
Described color and luster brightener is the mica of coated by titanium dioxide or the silicate glass of coated by titanium dioxide.
2. according to claim 1 have the glossy metal-like of a paint polypropene composition of exempting to spray, and it is characterized in that: described to have polypropene composition that the glossy metal-like of paint exempts to spray be that composition by following mass percent prepares:
Vestolen PP 7052: 57～99.2%
Elastomerics: 0～20%
Talcum powder: 0～25%
Flake aluminum: 0.2～1%
Color and luster brightener: 0.6～2%.
3. according to claim 1 have the glossy metal-like of a paint polypropene composition of exempting to spray, and it is characterized in that: the mass ratio of described flake aluminum and color and luster brightener is 1: (2～3).
4. according to claim 1 have the glossy metal-like of a paint polypropene composition of exempting to spray, and it is characterized in that: described Vestolen PP 7052 is COPP or HOPP.
5. according to claim 1 have the glossy metal-like of a paint polypropene composition of exempting to spray, and it is characterized in that: described elastomerics is ethylene-propylene copolymer or ethylene-octene copolymer.
6. according to claim 1 have the glossy metal-like of a paint polypropene composition of exempting to spray, and it is characterized in that:
The mica of said coated by titanium dioxide and the silicate glass of coated by titanium dioxide are flaky, and its purity is higher than 95%, and its particle diameter is 10-150 μ m, and mica wherein and silicate glass are synthetic;
The particle diameter of said flake aluminum is 5-300 μ m.
7. each described preparation method with the glossy metal-like of the paint polypropene composition of exempting to spray of claim 1-6 is characterized in that may further comprise the steps:
(1) Vestolen PP 7052 is mixed with elastomerics, add talcum powder, flake aluminum, color and luster brightener again and be mixed together, obtain Preblend;
(2) Preblend melt extrudes, obtains having the polypropene composition that the glossy metal-like of paint exempts to spray behind the vacuum granulation through forcing machine.
8. the preparation method with the glossy metal-like of the paint polypropene composition of exempting to spray according to claim 7 is characterized in that:
The described mixing of step (1) is in high mixer, to carry out, 800～1500 rev/mins of high mixer rotating speeds;
The described forcing machine of step (2) is a twin screw extruder, and it is 190～250 ℃ that screw rod is respectively distinguished temperature.
Claim 1-6 each describedly have the application of polypropene composition in inner and outer decorative parts of automobile of exempting to spray of the glossy metal-like of paint.
10. according to claim 9 have the application of polypropene composition in inner and outer decorative parts of automobile of exempting to spray of the glossy metal-like of paint, it is characterized in that: described have the polypropene composition that the glossy metal-like of paint exempts to spray and be used to make automobile spoiler, flow deflector, door handle, collision bumper, door-plate or test board.
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| CN201210036011.6A CN102585365B (en) | 2012-02-16 | 2012-02-16 | Coating-free polypropylene composition with paint brightness and metal texture and preparation method thereof |
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| CN102585365B CN102585365B (en) | 2014-06-11 |
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| CN102942742A (en) * | 2012-12-04 | 2013-02-27 | 上海日之升新技术发展有限公司 | Spray coating-free propene polymer (PP) material with high gloss and metal or pearly-lustre flashing effect and preparation method thereof |
| CN103289206A (en) * | 2013-06-24 | 2013-09-11 | 苏州新区佳合塑胶有限公司 | A polypropylene conductive plastic and a preparation method thereof |
| CN103554669A (en) * | 2013-10-31 | 2014-02-05 | 天津美亚化工有限公司 | Spray-free modified polypropylene material with paint brightness and silver metal texture |
| CN103601972A (en) * | 2013-10-31 | 2014-02-26 | 天津美亚化工有限公司 | Formula for solving high tiger skin line generation tendency of aluminum powder in injection molding |
| CN103694562A (en) * | 2013-12-10 | 2014-04-02 | 广州市聚赛龙工程塑料有限公司 | Spraying-free scrape-resistant polypropylene composite material for automobile interior trim parts and preparation method thereof |
| CN103910941A (en) * | 2014-04-04 | 2014-07-09 | 金发科技股份有限公司 | Spraying-free polypropylene composite with aesthetic effect, and preparation method and applications of polypropylene composite |
| CN104479229A (en) * | 2014-12-17 | 2015-04-01 | 安徽科聚新材料有限公司 | Spray-free baking varnish metal-like polypropylene material and preparation method thereof |
| CN104530565A (en) * | 2014-12-29 | 2015-04-22 | 广州市聚赛龙工程塑料有限公司 | Antibacterial spraying-free polypropylene composite material as well as preparation method and application thereof |
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| CN104629189A (en) * | 2015-01-29 | 2015-05-20 | 合肥江淮毅昌汽车饰件有限公司 | Free-spraying bumper material for automobiles and preparation method thereof |
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| CN110791021A (en) * | 2019-08-26 | 2020-02-14 | 上海华合复合材料有限公司 | Low-surface-tension anti-fingerprint antibacterial spray-free polypropylene composite material and preparation method thereof |
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| CN102942742A (en) * | 2012-12-04 | 2013-02-27 | 上海日之升新技术发展有限公司 | Spray coating-free propene polymer (PP) material with high gloss and metal or pearly-lustre flashing effect and preparation method thereof |
| CN102942742B (en) * | 2012-12-04 | 2015-04-08 | 上海日之升新技术发展有限公司 | Spray coating-free propene polymer (PP) material with high gloss and metal or pearly-lustre flashing effect and preparation method thereof |
| CN103289206A (en) * | 2013-06-24 | 2013-09-11 | 苏州新区佳合塑胶有限公司 | A polypropylene conductive plastic and a preparation method thereof |
| CN103554669A (en) * | 2013-10-31 | 2014-02-05 | 天津美亚化工有限公司 | Spray-free modified polypropylene material with paint brightness and silver metal texture |
| CN103601972A (en) * | 2013-10-31 | 2014-02-26 | 天津美亚化工有限公司 | Formula for solving high tiger skin line generation tendency of aluminum powder in injection molding |
| CN103601972B (en) * | 2013-10-31 | 2016-03-09 | 天津美亚化工有限公司 | A kind of formula solving aluminium powder easy generation tiger fur line in injection moulding |
| CN103694562A (en) * | 2013-12-10 | 2014-04-02 | 广州市聚赛龙工程塑料有限公司 | Spraying-free scrape-resistant polypropylene composite material for automobile interior trim parts and preparation method thereof |
| CN103694562B (en) * | 2013-12-10 | 2016-11-30 | 广州市聚赛龙工程塑料股份有限公司 | Automotive upholstery is with exempting from spraying scratch resistance PP composite material and preparation method thereof |
| CN103910941A (en) * | 2014-04-04 | 2014-07-09 | 金发科技股份有限公司 | Spraying-free polypropylene composite with aesthetic effect, and preparation method and applications of polypropylene composite |
| CN103910941B (en) * | 2014-04-04 | 2016-08-17 | 金发科技股份有限公司 | A kind of polypropene composition exempting from spraying aesthetic effect and preparation method and application |
| CN104479229A (en) * | 2014-12-17 | 2015-04-01 | 安徽科聚新材料有限公司 | Spray-free baking varnish metal-like polypropylene material and preparation method thereof |
| CN104530565B (en) * | 2014-12-29 | 2017-04-26 | 广州市聚赛龙工程塑料股份有限公司 | Antibacterial spraying-free polypropylene composite material as well as preparation method and application thereof |
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| CN104629189A (en) * | 2015-01-29 | 2015-05-20 | 合肥江淮毅昌汽车饰件有限公司 | Free-spraying bumper material for automobiles and preparation method thereof |
| CN104629188A (en) * | 2015-01-29 | 2015-05-20 | 合肥江淮毅昌汽车饰件有限公司 | Halogen-free flame-retardant interior decorative material for automobiles and preparation method thereof |
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| CN108794857A (en) * | 2018-06-12 | 2018-11-13 | 姚常青 | A kind of imitative mental package pipe and preparation method |
| CN110791021A (en) * | 2019-08-26 | 2020-02-14 | 上海华合复合材料有限公司 | Low-surface-tension anti-fingerprint antibacterial spray-free polypropylene composite material and preparation method thereof |
| CN112225995A (en) * | 2020-09-23 | 2021-01-15 | 重庆会通科技有限公司 | Spraying-free polypropylene composite material and preparation method thereof |
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