CN102766299B - Anti-impacting anti-ageing modified polypropylene material and preparation method thereof - Google Patents
Anti-impacting anti-ageing modified polypropylene material and preparation method thereof Download PDFInfo
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- CN102766299B CN102766299B CN201210269701.6A CN201210269701A CN102766299B CN 102766299 B CN102766299 B CN 102766299B CN 201210269701 A CN201210269701 A CN 201210269701A CN 102766299 B CN102766299 B CN 102766299B
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- modified polypropylene
- polypropylene material
- shock resistance
- photostabilizer
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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
- B29C48/25—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
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- 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
- B29C2948/92857—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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to an anti-impacting anti-ageing modified polypropylene material and a preparation method thereof and aims at providing the anti-impacting anti-ageing modified polypropylene material which has basic physical characteristics of polypropylene and simultaneously has improved anti-impacting performance and good anti-ageing performance. The material comprises, by weight, 65-85% of polypropylene, 5-25% of inorganic fillers, 0.3-1.5% of antioxidant, 0.2-1.0% of light stabilizer, 0.2-1.0% of ultraviolet absorber, 5-15% of flexibilizer, 5-15% of compatilizer and 0.2-1.0% of coupling agent. Experiment results show that the material can achieve the purposes, and products can be widely applied to the fields such as electronics and electrics, automobile and household appliances, communication devices and building materials.
Description
Technical field
The present invention relates to plastics polymer modification technical field, specifically, relate to a kind of preparation of Novel shock-resistant ageing resistance polypropylene material.
Background technology
Polypropylene is a kind of thermoplastics, and density is little, and surface hardness is large, and thermotolerance, chemical stability, insulativity are good, is widely used in producing, various fields of recent life.Especially more extensive at automobile and building field application.And virgin pp resin material shock resistance is poor, especially low temperature impact properties is poorer.Because the tertiary carbon atom in polypropylene molecular chain easily occurs agingly under the effect of ultraviolet ray, oxygen, light, heat, make that product surface be full of cracks, gloss are lost, shock strength in addition, the mechanical properties such as tensile strength reduce greatly.This makes PP be restricted in field sector applications such as electric, vehicle appliance, Communication Equipment, material of construction, in order to reach shock resistance and aging-resistant requirement, must carry out modification to PP material.By adding toughner and protective agent, it is the effective way that expands its range of application.
The present invention is improved polypropylene material mechanical property by add talcum powder and POE toughner in PP resin greatly, and possesses good impact property.Utilize the effect of UV light absorber and photostabilizer simultaneously, assist with oxidation inhibitor, improved polyacrylic thermo-oxidative stability, make the anti-aging of material more lasting, better effects if.
Summary of the invention
The object of the present invention is to provide the anti-aging modified polypropylene material of a kind of shock resistance, when possessing the basic physical property of polypropylene, both improved its shock resistance, possess again excellent anti ageing property.To achieve the object of the present invention, by following scheme, realize:
The anti-aging modified polypropene of a kind of shock resistance of the present invention, is comprised of the raw material of following weight proportion:
Acrylic resin 65 ~ 85%
Mineral filler 5 ~ 25%
Oxidation inhibitor 0.3 ~ 1.5%
Photostabilizer 0.2 ~ 1.0%
UV light absorber 0.2 ~ 1.0%
Toughner 5 ~ 15%
Compatilizer 5 ~ 15%
Coupling agent 0.2 ~ 1.0%
Described acrylic resin is that an ancient unit of weight gathers or copolymerization PP, and melting index is 3 ~ 25.
Described mineral filler is talcum powder, and its fineness is at 1200 ~ 3000 orders, whiteness >90.
Described oxidation inhibitor is at least one in phenolic antioxidant 1010 or phosphite ester kind antioxidant 168.
Described photostabilizer is hydroxybenzotriazole class photostabilizer Tinuvin326, and Tinuvin 328, Hinered phenols photostabilizer Tinuvin 770, at least one in Chimassorb 944.
Described UV light absorber is UV-531; Octabenzone.
Described toughner is octene and ethene polymers POE.
Described compatilizer is maleic anhydride inoculated polypropylene.
Described coupling agent is a kind of in silane, titanic acid ester, phosphoric acid ester.
The related anti-aging modified polypropene of a kind of shock resistance of the present invention is undertaken by following step is poly-:
1) 100 ℃-110 ℃ of mineral filler talcum powder preheatings are added the coupling agent of proportioning in accordance with regulations after dry 2 hours in mixing machine, after mixing, take out, make talcum powder composition stand-by.
2) by acrylic resin, 75 ℃ of-85 ℃ of dry 4-6 hour, then add to scale the poly-1 talcum powder composition making of step, and oxidation inhibitor, photostabilizer, UV light absorber, toughner, compatilizer is put into twin screw extruder after mixing in high-speed mixer, extrudes, tie rod, air-cooled, pelletizing, is dried to obtain the finished product.
3) described double-screw extruder screw length-to-diameter ratio is that 35:1～40:1 extrusion temperature is 165 ℃～240 ℃, and screw speed is: 280-480 rev/min.
UV light absorber and photostabilizer are used in conjunction with and prevent that harmful UV-light is for the destruction of color; Improve polyacrylic anti-ultraviolet ageing performance.POE adds, and has improved the shock strength of PP, has improved polyacrylic breakthrough fragile under low temperature and has fallen into.
6]the invention has the advantages that: by flow process method simple, continuous, high-efficiency and low-cost, make high impact properties ageing resistance polypropylene material, polypropylene material physical and mechanical properties and thermo-oxidative ageing after modification are greatly improved.Product can be widely used in the fields such as the interior exterior trim of automobile, building, military project, Communication Equipment.
Embodiment
For a better understanding of the present invention, enumerate embodiment detailed description.
As shown in Table 1, Daqing petrochemical T30S an ancient unit of weight that the acrylic resin adopting in the present embodiment is 3 for molten finger gathers polypropylene, and talcum powder is 1600 commercially available order talcum powder, and adds the coupling agent KH792 of proportioning in accordance with regulations to obtain after 100 ℃-110 ℃ are dried 2 hours.Oxidation inhibitor is lrganox1010, and photostabilizer is that Tinuvin 770, UV light absorber are UV-531, and toughner is that LG-DOW POE8150, compatilizer are commercially available toxilic acid bar grafting PP.
By acrylic resin, 75 ℃ of-85 ℃ of dry 4-6 hour, then in table, just like regulation ratio, add talcum powder, antioxidant 1010, Tinuvin 770, UV-531, POE Tao Shi 8150, the raw materials such as maleic anhydride graft PP mixed after 10 minutes in high-speed mixer, put into twin screw extruder, extrude, tie rod, air-cooled, pelletizing, be dried to obtain the finished product.
Described forcing machine is twin screw extruder, and its length-to-diameter ratio is 38:1, and each temperature of screw rod is: 165 ℃, 170 ℃, 180 ℃, 185 ℃, 190 ℃, 195 ℃, 195 ℃, 195 ℃.Screw speed is 400rpm.
The performance index of embodiment are as table two
table one
| Material name | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Polypropylene | 65 | 70 | 75 |
| Talcum powder | 15 | 12 | 10 |
| Antioxidant 1010 | 0.2 | 0.2 | 0.2 |
| Tinuvin 770 | 0.5 | 0.5 | 0.5 |
| UV-531 | 0.5 | 0.5 | 0.5 |
| POE Tao Shi 8150 | 10 | 10 | 7 |
| Maleic anhydride graft PP (commercially available) | 8.5 | 6.5 | 6.5 |
| KH792 | 0.3 | 0.3 | 0.3 |
table two
Relevant testing standard and method:
GB/T3682: the molten testing standard that refers to.
GB/1040: tensile strength testing standard.
GB/T9341: flexural strength testing standard.
GB/1843: notched Izod impact strength testing standard.
GB/1643: heat-drawn wire testing standard.
GB/7141: anti-aging testing standard.
By upper table, can find out, the anti-aging modified polypropene of shock resistance of the present invention, possesses good shock resistance, and ageing resistance is also very excellent simultaneously.
The above, be only preferred embodiments of the present invention, is not the present invention to be done to the restriction of other form, and any those skilled in the art may utilize the technology contents of above-mentioned prompting to be changed or be modified as the actual effect example of equivalent variations.This description should not be construed as limitation of the present invention.
Claims (7)
1. the anti-aging modified polypropylene material of shock resistance, is characterized in that, the raw material of following weight proportion, consists of:
Acrylic resin 65～85%;
Mineral filler 5～25%;
Oxidation inhibitor 0.3～1.5%;
Photostabilizer 0.2～1.0%;
UV light absorber 0.2～1.0%;
Toughner 5～15%;
Compatilizer 5～15%;
Coupling agent 0.2～1.0%;
Each component sum of raw material is 100%;
100 ℃-110 ℃ of mineral filler talcum powder preheatings are added the coupling agent of proportioning in accordance with regulations after dry 2 hours in mixing machine, after mixing, take out, make talcum powder composition stand-by;
By acrylic resin in 75 ℃ of-85 ℃ of dry 4-6 hour, then add to scale the talcum powder composition and the oxidation inhibitor that make, photostabilizer, UV light absorber, toughner, compatilizer is put into twin screw extruder after mixing in high-speed mixer, extrudes, tie rod, air-cooled, pelletizing, is dried to obtain the finished product;
Described double-screw extruder screw length-to-diameter ratio is that 35:1～40:1 extrusion temperature is 165 ℃～240 ℃, and screw speed is: 280-480 rev/min;
Described photostabilizer is hydroxybenzotriazole class photostabilizer Tinuvin326, Tinuvin328, Hinered phenols photostabilizer Tinuvin770, at least one in Chimassorb944; Described UV light absorber is UV-531.
2. the anti-aging modified polypropylene material of shock resistance according to claim 1, is characterized in that, described acrylic resin is homopolymerization or copolymerization PP, and melting index is 3～25g/10min.
3. the anti-aging modified polypropylene material of shock resistance according to claim 1, is characterized in that, described mineral filler is talcum powder, and its fineness is at 1200～3000 orders, whiteness >90.
4. the anti-aging modified polypropylene material of shock resistance according to claim 1, is characterized in that, described oxidation inhibitor is at least one in phenolic antioxidant 1010 or phosphite ester kind antioxidant 168.
5. the anti-aging modified polypropylene material of shock resistance according to claim 1, is characterized in that, described toughner is octene and ethene polymers POE.
6. the anti-aging modified polypropylene material of shock resistance according to claim 1, is characterized in that, described compatilizer is maleic anhydride inoculated polypropylene.
7. the anti-aging modified polypropylene material of shock resistance according to claim 1, is characterized in that, described coupling agent is a kind of in silane, titanic acid ester, phosphoric acid ester.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210269701.6A CN102766299B (en) | 2012-08-01 | 2012-08-01 | Anti-impacting anti-ageing modified polypropylene material and preparation method thereof |
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| CN102766299B true CN102766299B (en) | 2014-04-16 |
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