CN101875743A - High-gloss polypropylene material and preparation method thereof - Google Patents

High-gloss polypropylene material and preparation method thereof Download PDF

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Publication number
CN101875743A
CN101875743A CN2010102277773A CN201010227777A CN101875743A CN 101875743 A CN101875743 A CN 101875743A CN 2010102277773 A CN2010102277773 A CN 2010102277773A CN 201010227777 A CN201010227777 A CN 201010227777A CN 101875743 A CN101875743 A CN 101875743A
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CN
China
Prior art keywords
powder
polypropylene material
lubricant
parts
gloss
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2010102277773A
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Chinese (zh)
Inventor
徐东
徐永
张博
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Polymer Science Shenzhen New Materials Co Ltd
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Polymer Science Shenzhen New Materials Co Ltd
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Priority to CN2010102277773A priority Critical patent/CN101875743A/en
Publication of CN101875743A publication Critical patent/CN101875743A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/04—Particle-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B29C2948/9259—Angular velocity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92828—Raw material handling or dosing, e.g. active hopper or feeding device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92885—Screw or gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895—Barrel or housing

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

The invention discloses a high-gloss polypropylene material and a preparation method thereof. The high-gloss polypropylene material is prepared from the following materials in parts by weight: 100 parts of PP powder, 4-8 parts of compatilizer, 0.4-0.8 parts of white oil, 30-60 parts of ZrO2 powder, 2-3 parts of lubricant, 0.3-0.5 parts of nucleating agent and 0.4-0.6 parts of antioxidant, wherein the PP powder is homopolymer type polypropylene powder, the white oil is technical-grade one, and the antioxidant is prepared by complexing hindered phenol antioxidant and phosphite ester antioxidant according to a weight ratio of 1:2. By adding an amount of ZrO2 powder to the existing PP material, the invention ensures that the gloss of the PP material is not influenced and no pits exist on the surface when the addition of mineral substances is relatively bigger.

Description

A kind of high-gloss polypropylene material and preparation method thereof
Technical field
The present invention relates to technical field of polymer materials, relate in particular to high-gloss polypropylene material of a kind of zirconium dioxide filled-type and preparation method thereof.
Background technology
PP (Polypropylene, polypropylene) materials processing wide ranges, easy-formation, light specific gravity, be widely used in the injection moulding industry, but the PP material has defectives such as lower hot torsion temperature (about 100 ℃), low transparency, low-luster, low rigidity, so adopt the method that adds glass fibre, mineral additive or thermoplastic rubber that the PP material is improved in the prior art usually, to satisfy different service requirementss.
When adding mineral substance in the PP material, its shrinking percentage also decreases, and adds different mineral substance, and its surface effect is also different.Usually, the modification industry uses barium sulfate to be high gloss PP, and effect is all well and good, but the addition limitation is bigger, and when addition was big, not only glossiness can descend, and the surface easily produces defectives such as pit.
Summary of the invention
The invention provides a kind of high-gloss polypropylene material and preparation method thereof, this high-gloss polypropylene material does not influence glossiness when the mineral substance addition is bigger.
Technical scheme of the present invention is: a kind of high-gloss polypropylene material, composed of the following components by weight:
PP powder 100
Compatilizer 4～8
White oil 0.4～0.8
ZrO 2Powder 30～60
Lubricant 2～3
Nucleator 0.3～0.5
Oxidation inhibitor 0.4～0.6
Wherein, described PP powder is a homopolymerization type polypropylene powder, and described white oil is a technical grade, described oxidation inhibitor by Hinered phenols antioxidant and phosphite ester kind antioxidant with 1: 2 composite forming of parts by weight.
A kind of preparation method of aforesaid high-gloss polypropylene material comprises step:
Step 1, take by weighing various materials by above-mentioned described parts by weight;
Step 2, the various materials that step 1 is taken by weighing add the high mixer mixing;
Step 3, the mixture that step 2 is obtained add twin screw extruder, through melt extruding granulation; Processing condition are: 170～210 ℃ of temperature, and 400～480 rev/mins of screw speeds, feeding frequency 25～35HZ, vacuum tightness-0.03～-0.05MPa.
High-gloss polypropylene material of the present invention and preparation method thereof, high-gloss polypropylene material has increased an amount of ZrO in existing PP material 2Powder when the mineral substance addition is bigger, does not influence the glossiness of PP material, and the no pit in surface.
Embodiment
High-gloss polypropylene material of the present invention, composed of the following components by weight:
PP powder 100
Compatilizer 4～8
White oil 0.4～0.8
ZrO 2Powder 30～60
Lubricant 2～3
Nucleator 0.3～0.5
Oxidation inhibitor 0.4～0.6
Wherein, described PP powder is a homopolymerization type polypropylene powder, and described white oil is a technical grade, described oxidation inhibitor by Hinered phenols antioxidant and phosphite ester kind antioxidant with 1: 2 composite forming of parts by weight.Wherein, described ZrO 2Powder is the monoclinic zirconia powder in a most preferred embodiment, purity 99%～99.95%, and particle diameter 1-5um selects the ZrO of this ultra-fine ultrapure kind for use 2Powder can further improve the glossiness of polypropylene material of the present invention; Described nucleator can belong to the dibenzal sorbitol derivatives class in a most preferred embodiment, select for use the nucleator of this kind can further improve the glossiness of polypropylene material of the present invention; Described lubricant can be the amides lubricant in a most preferred embodiment, select the lubricant of this kind, and it is more even that mineral are disperseed, and further improves the surface flatness of polypropylene material of the present invention.
Polypropylene material of the present invention is added with ZrO 2Powder, the high-gloss polypropylene that is easy to get, and when the mineral substance addition is bigger, the smooth no pit of material surface; Also adding in addition has nucleator, can further improve the glossiness of polypropylene material of the present invention.
The preparation method of above-mentioned described high-gloss polypropylene material comprises step:
Step 1, take by weighing PP powder 100, compatilizer 4～8, white oil 0.4～0.8, ZrO by weight 2Powder 30～60, lubricant 2～3, nucleator 0.3～0.5, oxidation inhibitor 0.4～0.6;
Step 2, the various materials that step 1 is taken by weighing add the high mixer mixing; This high mixer mixes under normal operation circumstances and gets final product;
Step 3, the mixture that step 2 is obtained add twin screw extruder, through melt extruding granulation; Processing condition are: temperature is 170～210 ℃, 400～480 rev/mins of screw speeds, and feeding frequency 25～35HZ, vacuum tightness-0.03～-0.05MPa.
In addition, for further that the mixing of materials that takes by weighing is even, the material that takes by weighing is added high mixer blended order can be: add PP powder, compatilizer and white oil and mixed 0.5～2 minute, added nucleator, oxidation inhibitor and mix lubricant again 0.5～2 minute, add ZrO at last 2Powder mixed 1～3 minute, mixed by such order and can play well-mixed purpose.
For ease of to further understanding of the present invention, now describe the present invention in conjunction with specific embodiments:
In the following example, the PP powder is selected 140 powder of Chinese Maoming petrochemical industry; Compatilizer is selected the Shenyang four-dimensional superpolymer plastic cement SWJ-1B of company limited; ZrO 2Powder is selected this specification disposable type of Yixing City three match superfine powder company limiteds; Lubricant is selected the refined chemical industry TAS-2A of company limited in source, Guangzhou; Nucleator is selected the two key chemical industry 390 in Taiwan; Oxidation inhibitor is selected the two key chemical industry groups 1010 and 168 in Taiwan, composite in proportion use; White oil is so long as the getting final product of technical grade.
Embodiment 1:
Mix PP powder 100, compatilizer 4, white oil 0.4, ZrO by weight 2Powder 30, lubricant 2, nucleator 0.3, oxidation inhibitor 0.4.The material that mixes is joined in the hopper of twin screw extruder, through melt blending, extruding pelletization becomes matrix material.Temperature is 170～210 ℃, 400～480 rev/mins of screw speeds, and feeding frequency 25～35HZ, vacuum tightness-0.03～-0.05MPa.
Embodiment 2:
Mix PP powder 100, compatilizer 6, white oil 0.6, ZrO by weight 2Powder 45, lubricant 2.5, nucleator 0.4, oxidation inhibitor 0.5.The material that mixes is joined in the hopper of twin screw extruder, through melt blending, extruding pelletization becomes matrix material.Temperature is 170～210 ℃, 400～480 rev/mins of screw speeds, and feeding frequency 25～35HZ, vacuum tightness-0.03～-0.05MPa.
Embodiment 3:
Mix PP powder 100, compatilizer 8, white oil 0.8, ZrO by weight 2Powder 60, lubricant 3, nucleator 0.5, oxidation inhibitor 0.6.The material that mixes is joined in the hopper of twin screw extruder, through melt blending, extruding pelletization becomes matrix material.Temperature is 170～210 ℃, 400～480 rev/mins of screw speeds, and feeding frequency 25～35HZ, vacuum tightness-0.03～-0.05MPa.
Performance test:
Tensile strength is tested by ASTM D-638 standard.Specimen types is the I type, batten size (mm): (176 ± 2) (length) * (12.6 ± 0.2) (end width) * (3.05 ± 0.2) (thickness), and draw speed is 50mm/min; Flexural strength and modulus in flexure are tested by ASTM D-790 standard.Specimen types is specimen size (mm): (128 ± 2) * (12.67 ± 0.2) * (3.11 ± 0.2), rate of bending are 20mm/min; The socle girder notched Izod impact strength is tested by ASTM D-256 standard.Specimen types is the I type, specimen size (mm): (63 ± 2) * (12.45 ± 0.2) * (3.1 ± 0.2), breach type are category-A, and the breach residual thickness is 1.9mm; Other tests: density is according to ASTM D792 test, and appearance effect is estimated.Embodiment 1-3 prescription and material property see Table 1, and the test data of material property is tested under general normal temperature:
Form Embodiment 1 Embodiment 2 Embodiment 3
The PP powder ??100 ??100 ??100
Compatilizer ??4 ??6 ??8
White oil ??0.4 ??0.6 ??0.8
Zirconium dioxide powder ??30 ??45 ??60
Lubricant ??2 ??2.5 ??3
Nucleator ??0.3 ??0.4 ??0.5
Oxidation inhibitor ??0.4 ??0.5 ??0.6
Density (g/cm 3) ??1.13 ??1.19 ??1.25
Notched Izod impact strength (J/m) ??45 ??57 ??42
Form Embodiment 1 Embodiment 2 Embodiment 3
Tensile strength (MPa) ??27 ??29 ??30
Elongation at break (%) ??30 ??24 ??21
Flexural strength (MPa) ??38 ??42 ??46
Modulus in flexure (MPa) ??1120 ??1300 ??1450
Appearance effect No pit No pit No pit
Table 1
As can be seen from Table 1, add the increase of umber along with zirconium dioxide, the mechanical property generation considerable change of polypropylene material, when adding 45 parts, the impact property of polypropylene material reaches the highest, when zirconium dioxide when 30 parts are added to 60 parts, the polypropylene material surface does not all have pit, present good high finish surface, illustrate when mineral substance addition scope becomes big, not the glossiness of impact polypropylene material.
Comparative Examples 1:
Mix PP powder 100, compatilizer 4, white oil 0.4, process white 30, lubricant 2, nucleator 0.3, oxidation inhibitor 0.4 by weight.The material that mixes is joined in the hopper of twin screw extruder, through melt blending, extruding pelletization becomes matrix material.Temperature is 170～210 ℃, 400～480 rev/mins of screw speeds, and feeding frequency 25～35HZ, vacuum tightness-0.03～-0.05MPa.
Comparative Examples 2:
Mix PP powder 100, compatilizer 6, white oil 0.6, process white 45, lubricant 2.5, nucleator 0.4, oxidation inhibitor 0.5 by weight.The material that mixes is joined in the hopper of twin screw extruder, through melt blending, extruding pelletization becomes matrix material.Temperature is 170～210 ℃, 400～480 rev/mins of screw speeds, and feeding frequency 25～35HZ, vacuum tightness-0.03～-0.05MPa.
Comparative Examples 3:
Mix PP powder 100, compatilizer 8, white oil 0.8, process white 60, lubricant 3, nucleator 0.5, oxidation inhibitor 0.6 by weight.The material that mixes is joined in the hopper of twin screw extruder, through melt blending, extruding pelletization becomes matrix material.Temperature is 170～210 ℃, 400～480 rev/mins of screw speeds, and feeding frequency 25～35HZ, vacuum tightness-0.03～-0.05MPa.
Comparative Examples 1-3 prescription and material property see Table 2, and the test data of material property is tested under general normal temperature:
Form Comparative Examples 1 Comparative Examples 2 Comparative Examples 3
The PP powder ??100 ??100 ??100
Compatilizer ??4 ??6 ??8
White oil ??0.4 ??0.6 ??0.8
Form Comparative Examples 1 Comparative Examples 2 Comparative Examples 3
Process white ??30 ??45 ??60
Lubricant ??2 ??2.5 ??3
Nucleator ??0.3 ??0.4 ??0.5
Oxidation inhibitor ??0.4 ??0.5 ??0.6
Density (g/cm 3) ??1.1 ??1.2 ??1.25
Notched Izod impact strength (J/m) ??40 ??50 ??37
Tensile strength (MPa) ??26 ??30 ??33
Elongation at break (%) ??25 ??23 ??20
Flexural strength (MPa) ??38 ??44 ??46
Modulus in flexure (MPa) ??1150 ??1280 ??1360
Appearance effect No pit Pit is arranged Pit is arranged
Table 2
As can be seen from Table 2, along with the increase of process white interpolation umber, the mechanical property generation considerable change of polypropylene material is equally when adding 45 parts by weight, and the impact property of polypropylene material reaches the highest.But the polypropylene material surface begins to occur pit when barium sulfate adds 45 parts, and when addition was higher again, pit increased, the glossiness on influence surface.
Contrast table 1 and table 2 as can be known, it is maximum that the impact value of two kinds of polypropylene materials reaches when mineral substance is filled 45 parts by weight, rigidity strengthens with the increase of mineral.Two kinds of polypropylene materials have the difference of mechanical property and surface effect two aspects: 1, the toughness of zirconium dioxide filling is better than process white (by comparing notched Izod impact strength); 2, in trial stretch, the zirconium dioxide umber is increasing, but the no pit in surface, process white just begins to occur pit in the time of 45 parts, and pit is more in the time of 60 parts.To sum up analyze, polypropylene material of the present invention is filled portion rate more for a long time at zirconium dioxide, also glossiness that can the impact polypropylene material surface.
More than a kind of high-gloss polypropylene material of the present invention and preparation method thereof is described in detail, used representative embodiment herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for those of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.

Claims (7)

1. a high-gloss polypropylene material is characterized in that, and is composed of the following components by weight:
PP powder 100
Compatilizer 4～8
White oil 0.4～0.8
ZrO 2Powder 30～60
Lubricant 2～3
Nucleator 0.3～0.5
Oxidation inhibitor 0.4～0.6
Wherein, described PP powder is a homopolymerization type polypropylene powder, and described white oil is a technical grade, described oxidation inhibitor by Hinered phenols antioxidant and phosphite ester kind antioxidant with 1: 2 composite forming of parts by weight.
2. high-gloss polypropylene material according to claim 1 is characterized in that: described ZrO 2Powder is the monoclinic zirconia powder, purity 99%～99.95%, particle diameter 1～5um.
3. high-gloss polypropylene material according to claim 1 is characterized in that: described nucleator belongs to the dibenzal sorbitol derivatives class.
4. high-gloss polypropylene material according to claim 1 is characterized in that: described lubricant is the amides lubricant.
5. high-gloss polypropylene material according to claim 1 is characterized in that: described ZrO 2Powder is the monoclinic zirconia powder, purity 99%～99.95%, particle diameter 1-5um; Described nucleator belongs to the dibenzal sorbitol derivatives class; Described lubricant is the amides lubricant.
6. the preparation method as the described high-gloss polypropylene material of the arbitrary claim of claim 1 to 5 is characterized in that, comprises step:
Step 1, take by weighing various materials by the described parts by weight of claim 1;
Step 2, the various materials that step 1 is taken by weighing add the high mixer mixing;
Step 3, the mixture that step 2 is obtained add twin screw extruder, through melt extruding granulation; Processing condition are: 170～210 ℃ of temperature, and 400～480 rev/mins of screw speeds, feeding frequency 25～35HZ, vacuum tightness-0.03～-0.05MPa.
7. the preparation method of high-gloss polypropylene material according to claim 6, it is characterized in that: the material that step 2 takes by weighing step 1 adds the high mixer blended and is in proper order: add PP powder, compatilizer and white oil earlier and mixed 0.5～2 minute, add nucleator, oxidation inhibitor and mix lubricant again 0.5～2 minute, and added ZrO at last 2Powder mixed 1～3 minute.
CN2010102277773A 2010-07-14 2010-07-14 High-gloss polypropylene material and preparation method thereof Pending CN101875743A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111117072A (en) * 2020-01-07 2020-05-08 山东道恩高分子材料股份有限公司 High-gloss polypropylene composite material with antibacterial function

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101724284A (en) * 2008-10-31 2010-06-09 中国石油化工股份有限公司 Anti-bacterial thermoplastic composite and preparation method thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101724284A (en) * 2008-10-31 2010-06-09 中国石油化工股份有限公司 Anti-bacterial thermoplastic composite and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111117072A (en) * 2020-01-07 2020-05-08 山东道恩高分子材料股份有限公司 High-gloss polypropylene composite material with antibacterial function

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Application publication date: 20101103