CN102604235A - High-heat-resistance polypropylene material and preparation method thereof - Google Patents
High-heat-resistance polypropylene material and preparation method thereof Download PDFInfo
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- CN102604235A CN102604235A CN201210068853XA CN201210068853A CN102604235A CN 102604235 A CN102604235 A CN 102604235A CN 201210068853X A CN201210068853X A CN 201210068853XA CN 201210068853 A CN201210068853 A CN 201210068853A CN 102604235 A CN102604235 A CN 102604235A
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Abstract
The invention discloses a high-heat-resistance polypropylene material and a preparation method thereof. The high-heat-resistance polypropylene material comprises the following components in parts by weight: 30-80 parts of polypropylene, 5-10 parts of ethylene propylene diene monomer, 10-25 parts of talc powder, 5-10 parts of glass fiber and 0.2-0.8 part of thermal stabilizer. The method comprises the following steps of: weighing each raw material according to the proportion; uniformly mixing; melting and mixing; and extruding and granulating. The high-heat-resistance polypropylene material has higher heat resistance and high thermal stability, keeps high tensile strength, bending strength, bending modulus and impaction strength, and can be prepared into automobile interiors such as outer side plates of driving seats, small covers, inner plates of side plates, plastic sheets of inner side plates, outer side plates of passenger seats, door plate handrail frameworks, door embedded plaque frameworks, and door embedded plaques.
Description
Technical field
The present invention relates to a kind of plastic material and preparation method thereof, relate in particular to a kind of high heat resistance polypropylene material and preparation method thereof.
Background technology
Vestolen PP 7052, english abbreviation is PP, is nineteen fifty-seven at first to drop into industrial production in Italy, is another the important plastics variety after Vilaterm (PE).It has better heat-resisting property, also can not be destroyed at 135 ℃ of boiling 1000h, and the specific heat capacity of PP, thermal conductivity are all less than PE, but heat insulating ability is superior to PE.PP belongs to non-polar polymer, has excellent dielectricity and electrical insulating property, and electrical property does not receive the influence of ambient moisture and electric field frequency basically, and in the working range that allows, the temperature rising can make electrical property reduce, and its arc resistance is higher.The chemical resistant properties of PP is good, and except that strong oxidizer has the erosion action it, other reagent all do not have effect to it.PP at room temperature is insoluble to any solvent, but can be at some solvent, and like swelling in tetracol phenixin, trichloromethane, dithiocarbonic anhydride, the benzene, when temperature raise, PP was dissolvable in water in some solvent.PP is responsive to the effect of oxygen, particularly when temperature is higher.Its ultraviolet-resistant capacity is very poor, also is subject to the destruction of high-energy radiation, when receiving above-mentioned destruction, and its generation lower-molecular substance of all can degrading.The existence meeting of copper sharply strengthens the oxidative degradation speed of PP, makes its very fast embrittlement, so be referred to as " copper evil ".PP has outstanding stress cracking resistance.But its winter hardiness is poor, and weathering resistance is also bad, and high temperature then rigidity is not enough.
In the present technology, because some performance of PP is not ideal enough, particularly resistance toheat is not good.
Summary of the invention
To the above-mentioned deficiency that exists in the prior art, one of technical problem to be solved by this invention provides a kind of high heat resistance polypropylene material, has good heat-resistant.
Two of technical problem to be solved by this invention provides the preparation method of above-mentioned high heat resistance polypropylene material.
The present invention seeks to realize through following technical scheme:
A kind of high heat resistance polypropylene material comprises following components by part by weight: Vestolen PP 7052 30-80 part, terpolymer EP rubber 5-10 part, talcum powder 10-25 part, spun glass 5-10 part, thermo-stabilizer 0.2-0.8 part.
Said Vestolen PP 7052 is a COPP.
Said thermo-stabilizer is made up of following component: butyl maleate dibutyl tin 10-30 part, Zinic stearas 20-40 part, 2-phenylindone 20-40 part by weight.
Said high heat resistance polypropylene material also comprises: permanent white 1-3 part.
The present invention also provides the preparation method of above-mentioned high heat resistance polypropylene material: take by weighing each raw material by proportioning, after mixing, melting mixing, extruding pelletization promptly obtain said high heat resistance polypropylene material.
Mixed processes can carry out in general mixing machine, and the control rotating speed is at 300-400 rev/min, and melting mixing, extruding pelletization operation can be carried out in general screw extrusion press, and the control barrel zone temperature is at 200-220 ℃.
Obviously, for improving other performances of product, can also add other auxiliary agents adaptively, in the present invention like photostabilizer, fire retardant, tinting material and static inhibitor etc.
Concrete, in the present invention:
Terpolymer EP rubber, english abbreviation is EPDM, is the terpolymer of ethene, propylene and non-conjugated diene hydrocarbon, 1963 begin to commercially produce.The topmost characteristic of EPDM is exactly its superior antioxidant, anti-ozone and erosion-resistant ability.Because terpolymer EP rubber belongs to polyolefine family, it has fabulous vulcanization characteristics.In the middle of all rubber, EPDM has minimum proportion.It can absorb a large amount of fillers and oil and influencing characteristic is little.Therefore rubber compound that can low preparation cost.
The butyl maleate dibutyl tin, English name: di-n-butyltin monobutyl maleate, another name: two (butyl maleate) dibutyl tin; Dl-n-butyltin di (monobutyl maleate), CAS number: 66010-36-4.
Zinic stearas, another name: stearic acid zinc salt, English name: Zinc stearate, English another name: Stearic acid zinc salt, CAS number: 557-05-1.
2-phenylindone, english name: 2-Phenylindole, CAS number: 948-65-2.
Permanent white, English another name: Barium sulfate, Artificial heavy spar; Blanc fixe, Barium sulfate precipitated, Synthetic barytes; Terraponderosa, Permanent white, CAS number: 7727-43-7.Be preferably process white in the present invention, preferably adopt nano level.Permanent white can increase performances such as hardness, intensity, the raising of goods be heat-resisting and wear-resisting, is the tool functional filler of development prospect, and particularly composite with thermo-stabilizer butyl maleate dibutyl tin, Zinic stearas and 2-phenylindone, performance is better.
Vestolen PP 7052 and terpolymer EP rubber blend can improve its toughness and winter hardiness, have anti-preferably ozone, anti-oxidant and corrosion resistance, also have certain shockproof effect simultaneously, behind the adding talcum powder, can reduce frictional coefficient in the prescription, improve self lubricity.In the basic components of Vestolen PP 7052, terpolymer EP rubber, talcum powder and spun glass; Add the thermal stability that thermo-stabilizer can promote product; The optimum ratio of butyl maleate dibutyl tin, Zinic stearas and 2-phenylindone; Further with permanent white composite after, make product have higher heat resisting temperature, good thermal stability, it is all more excellent to draw high intensity, flexural strength, modulus in flexure and shock strength.
High heat resistance polypropylene material of the present invention has higher thermal stability, resistance toheat, can be processed into the part of different shape with Shooting Technique easily, can be used for processing automotive sealant, various operation handle arm and handle etc.
Concrete, the automotive upholstery that can be used to produce is following: the outer side plate of driver's seat, little cover cap, side plate inner panel, interior side plate plastic, the outer side plate of passenger seat, door panel arm rest skeleton, door insertion framework, door insertion plate.
Embodiment
Below in conjunction with embodiment the present invention is further described.
Embodiment 1
Take by weighing each raw material according to corresponding embodiment 1 data in the table 1.
Each component is mixed in high-speed mixer; The control rotating speed is at 300-400 rev/min; Melting mixing, extruding pelletization in twin screw extruder; The control barrel zone temperature is at 200-220 ℃, and the Vestolen PP 7052 material of extruding cooling forming in 10-40 ℃ cold water promptly obtains said high heat resistance polypropylene material.
Table 1: high heat resistance polypropylene material formula table unit: kilogram
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative Examples 1 | |
| COPP | ?30 | 80 | 55 | ?55 |
| Terpolymer EP rubber | ?10 | 5 | 8 | ?8 |
| Talcum powder | ?10 | 25 | 15 | ?15 |
| Spun glass | ?10 | 5 | 8 | ?8 |
| The butyl maleate dibutyl tin | ?0.03 | 0.2 | 0.2 | ?/ |
| Zinic stearas | ?0.09 | 0.3 | 0.3 | ?/ |
| 2-phenylindone | ?0.09 | 0.3 | 0.3 | ?/ |
| The nano level process white | ?/ | / | 2 | ?/ |
Embodiment 2
Take by weighing each raw material according to corresponding embodiment 2 data in the table 1.Adopt embodiment 1 described method to prepare said high heat resistance polypropylene material.
Embodiment 3
Take by weighing each raw material according to corresponding embodiment 3 data in the table 1.Adopt embodiment 1 described method to prepare said high heat resistance polypropylene material.
Comparative Examples 1
Comparative Examples 1 data according to corresponding in the table 1 take by weighing each raw material.Adopt embodiment 1 described method to prepare said high heat resistance polypropylene material.
Test case 1
Wherein, Comparative Examples 2 is embodiment 3 among the CN1235989 in the following table 2, and Comparative Examples 3 is embodiment 1 among the CN101338052B.
Table 2: high heat resistance polypropylene material performance test table
Can significantly be drawn by table 2 test data, the present invention has higher heat resisting temperature, good thermal stability, and has kept good intensity, flexural strength, modulus in flexure and the shock strength of drawing high.
Claims (5)
1. a high heat resistance polypropylene material is characterized in that, comprises following components by part by weight: Vestolen PP 7052 30-80 part, terpolymer EP rubber 5-10 part, talcum powder 10-25 part, spun glass 5-10 part, thermo-stabilizer 0.2-0.8 part.
2. high heat resistance polypropylene material as claimed in claim 1 is characterized in that: said Vestolen PP 7052 is a COPP.
3. high heat resistance polypropylene material as claimed in claim 1 is characterized in that, said thermo-stabilizer is made up of following component by weight: butyl maleate dibutyl tin 10-30 part, Zinic stearas 20-40 part, 2-phenylindone 20-40 part.
4. like each described high heat resistance polypropylene material among the claim 1-3, it is characterized in that, also comprise: permanent white 1-3 part.
5. like the preparation method of each described high heat resistance polypropylene material among the claim 1-4, it is characterized in that: take by weighing each raw material by proportioning, after mixing, melting mixing, extruding pelletization promptly obtain said high heat resistance polypropylene material.
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| CN102604235B CN102604235B (en) | 2013-12-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105390705A (en) * | 2015-10-30 | 2016-03-09 | 上海纳米技术及应用国家工程研究中心有限公司 | Preparation method of poly(2-phenylindole) supported catalyst electrode of fuel cell |
| CN115067703A (en) * | 2022-07-26 | 2022-09-20 | 安吉润丰家具有限公司 | High-temperature-resistant scratch-resistant polypropylene armrest for seat and preparation process of high-temperature-resistant scratch-resistant polypropylene armrest |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101838423A (en) * | 2010-06-10 | 2010-09-22 | 南京聚隆科技股份有限公司 | Modified polypropylene material for thin-wall bumper and preparation method thereof |
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- 2012-03-15 CN CN201210068853XA patent/CN102604235B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101838423A (en) * | 2010-06-10 | 2010-09-22 | 南京聚隆科技股份有限公司 | Modified polypropylene material for thin-wall bumper and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105390705A (en) * | 2015-10-30 | 2016-03-09 | 上海纳米技术及应用国家工程研究中心有限公司 | Preparation method of poly(2-phenylindole) supported catalyst electrode of fuel cell |
| CN115067703A (en) * | 2022-07-26 | 2022-09-20 | 安吉润丰家具有限公司 | High-temperature-resistant scratch-resistant polypropylene armrest for seat and preparation process of high-temperature-resistant scratch-resistant polypropylene armrest |
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| CN102604235B (en) | 2013-12-11 |
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Effective date of registration: 20190123 Address after: 311500 East Chunjiang Road, Tongjun Street, Tonglu County, Hangzhou City, Zhejiang Province, 1117 Patentee after: Hangzhou Freetron Plastic Products Co., Ltd. Address before: No. 355, Xhenzhuang Town, Shanghai, Minhang District, Shanghai Patentee before: Shanghai HAN's Mould Shape Co., Ltd. |