CN105237876A - Impact-resistant modified composite plastics - Google Patents
Impact-resistant modified composite plastics Download PDFInfo
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- CN105237876A CN105237876A CN201510680183.0A CN201510680183A CN105237876A CN 105237876 A CN105237876 A CN 105237876A CN 201510680183 A CN201510680183 A CN 201510680183A CN 105237876 A CN105237876 A CN 105237876A
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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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Health & Medical Sciences (AREA)
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Abstract
The invention discloses impact-resistant modified composite plastics which are prepared from polypropylene, thermoplastic styrene butadiene rubber, mixture of magnesium oxide and aluminum powder, phenolic resin, mixture of diatomaceous earth and kaolin, sodium acrylate, aluminum nitride, starch, potassium hexatitanate whisker, silicone powder, powder, plasticizer and heat stabilizer. The impact-resistant modified composite plastics are stable in quality and good in mechanical, physical and chemical properties, adaptability and economy. By adding the magnesium oxide powder and the aluminum powder which have undergone mixed treatment, the heat resistance of the composite plastics is improved greatly; by mixed pretreatment between the phenolic resin and aluminum nitride, the plastic components can be more uniform; and by adding the diatomaceous earth and the kaolin which have undergone mixed treatment, the weather resistance of the composite plastics is improved greatly. In processing preparation, first polypropylene and sodium acrylate are mixed and added into a twin-screw extruder, the integration of polypropylene and other components can be improved, and the structural quality and service lives of the composite plastics are improved.
Description
Technical field
The present invention relates to plastic production field, particularly relate to a kind of impact modification composite plastic.
Background technology
The erosion resistance of polypropylene (PP), rigidity and transparency are better, are widely used in making packaging vessel at present.But polypropene impact-resistant is poor, become fragile during low temperature, more aging, and vast producer dropping into reduce starting material, reducing production cost, make that the packaging vessel weight made is lighter, container wall thickness is thinner as much as possible, therefore, existing is former with polypropylene
The packaging vessel feel that material is made is very soft, insufficient strength is high, yielding when taking, cracked, be difficult to splendid attire liquid state or semi liquid state packing material, when the liquid state that particularly splendid attire temperature is higher or semi liquid state material, the liquid state that temperature is higher or semi liquid state material easily overflow and damage human body.Therefore, need to carry out composite modified to it, solve these problems.
Summary of the invention
The object of this invention is to provide a kind of impact modification composite plastic, be achieved through the following technical solutions:
A kind of impact modification composite plastic, is made up of following composition: polypropylene 90 parts, thermoplastic styrene butadiene rubber 20 parts, magnesia powder and al powder mixt 9 parts, 25 parts, resol, diatomite and kaolin mixture 6 parts, sodium acrylate 4 parts, aluminium nitride 6 parts, starch 4 parts, crystal whisker of hexa potassium titanate 8 parts, silicone powder 2 parts, dispersion agent 1 part, 0.5 part, softening agent, thermo-stabilizer 0.2 part by weight.
Dispersion agent in above-mentioned raw materials, softening agent, thermo-stabilizer do not comprise the content of the component comprised in raw material, and such as, sodium acrylate can use as dispersion agent, but above-mentioned describe in dispersion agent do not comprise sodium acrylate.
Further, described magnesia powder mixes with the phosphoric acid solution of 4.5% concentration after 200 DEG C of aerobics are calcined with al powder mixt again, constant temperature process 1-1.5 hour at 80-95 DEG C, filters, dry; Described magnesia powder mixes in 3:2 ratio with aluminium powder.
Further, described dispersion agent is Sodium hexametaphosphate 99, and described softening agent is citrate, and described thermo-stabilizer is dibasic lead phosphite.
Further, described diatomite and kaolin mixture are through process modification process: after adopting the sodium hydroxide solution of 5mol/L concentration to soak 1 hour, filter, adopt clear water to be washed till neutrality, then add the vinylformic acid of diatomite and kaolin mixture 1% weight, after stirring, carry out heating grinding after 30 minutes, be cooled to room temperature, filter, dry, pulverize to 100-150 order; Described diatomite mixes in 3:2 ratio with kaolin.
Further, described resol and aluminium nitride are through pre-treatment: resol and aluminium nitride are mixed and heated to resol and melt completely, continue after 20 minutes, are quickly cooled to greenhouse.Further, starch is mixed with silicone powder after soaking 2 hours with 1.5% concentration methacrylic acid solution, be heated to 85-90 DEG C, keep after 1-2 hour, be cooled to room temperature, after anhydrating, dry.
Further, thermoplastic styrene butadiene rubber is mixed with crystal whisker of hexa potassium titanate, then add the Vanadium Pentoxide in FLAKES of mixture weight 2.5%, process 30 minutes at 10MPa pressure, 115 DEG C of temperature after, be cooled to room temperature.
Further, when composite plastic is prepared in processing, first polypropylene is mixed with sodium acrylate and add in twin screw extruder after 30 minutes, then add other composition.
The invention has the beneficial effects as follows: (1) steady quality of the present invention, mechanical-physical chemical property are good, have good adaptability, economy.(2) the present invention is by adding the magnesia powder after blended process and aluminium powder, greatly improves the resistance toheat of composite plastic, improves its weave construction and forms; By to mixing pre-treatment between resol with aluminium nitride, plastic components can be made more even, and weave construction is more firm; By adding the diatomite after blended process and kaolin, greatly improving the weathering resistance of composite plastic, improving its suitability for secondary processing; When processing preparation, first polypropylene being mixed with sodium acrylate and adding in twin screw extruder, the amalgamation of polypropylene and other composition can be improved, improve its structural quality and work-ing life.(3) carrying out pre-treatment by thermoplastic styrene butadiene rubber and crystal whisker of hexa potassium titanate, greatly improve the shock resistance of plastics, by adding the starch after process and silicone powder, improve the ageing resistance of plastics.
Embodiment
A kind of impact modification composite plastic, is made up of following composition: polypropylene 90 parts, thermoplastic styrene butadiene rubber 20 parts, magnesia powder and al powder mixt 9 parts, 25 parts, resol, diatomite and kaolin mixture 6 parts, sodium acrylate 4 parts, aluminium nitride 6 parts, starch 4 parts, crystal whisker of hexa potassium titanate 8 parts, silicone powder 2 parts, dispersion agent 1 part, 0.5 part, softening agent, thermo-stabilizer 0.2 part by weight.
Further, described magnesia powder mixes with the phosphoric acid solution of 4.5% concentration after 200 DEG C of aerobics are calcined with al powder mixt again, constant temperature process 1-1.5 hour at 80-95 DEG C, filters, dry; Described magnesia powder mixes in 3:2 ratio with aluminium powder.
Further, described dispersion agent is Sodium hexametaphosphate 99, and described softening agent is citrate, and described thermo-stabilizer is dibasic lead phosphite.
Further, described diatomite and kaolin mixture are through process modification process: after adopting the sodium hydroxide solution of 5mol/L concentration to soak 1 hour, filter, adopt clear water to be washed till neutrality, then add the vinylformic acid of diatomite and kaolin mixture 1% weight, after stirring, carry out heating grinding after 30 minutes, be cooled to room temperature, filter, dry, pulverize to 100-150 order; Described diatomite mixes in 3:2 ratio with kaolin.
Further, described resol and aluminium nitride are through pre-treatment: resol and aluminium nitride are mixed and heated to resol and melt completely, continue after 20 minutes, are quickly cooled to greenhouse.Further, starch is mixed with silicone powder after soaking 2 hours with 1.5% concentration methacrylic acid solution, be heated to 85-90 DEG C, keep after 1-2 hour, be cooled to room temperature, after anhydrating, dry.
Further, thermoplastic styrene butadiene rubber is mixed with crystal whisker of hexa potassium titanate, then add the Vanadium Pentoxide in FLAKES of mixture weight 2.5%, process 30 minutes at 10MPa pressure, 115 DEG C of temperature after, be cooled to room temperature.
Further, when composite plastic is prepared in processing, first polypropylene is mixed with sodium acrylate and add in twin screw extruder after 30 minutes, then add other composition.
The performance parameters of plastics of the present invention:
| Density g/cm3 | Elongation at break % | Dielectric strength MV/m | Low-temperature impact embrittlement temperature DEG C | |
| Composite plastic of the present invention | 1.53 | 321.4 | 20.3 | ≤-25 |
Table 1
Modified plastics performance test of the present invention:
Table 2
Note: composition forms with composite plastic of the present invention completely the same without the composite plastic composition of special processing, preparation method is also identical, unique difference is that thermoplastic styrene butadiene rubber and crystal whisker of hexa potassium titanate, starch and silicone powder are without process, directly adds and prepares plastics.
As can be seen from Table 2, composite plastic of the present invention is much more superior than general acrylic plastering in performance.
Claims (8)
1. an impact modification composite plastic, it is characterized in that, be made up of following composition by weight: polypropylene 90 parts, thermoplastic styrene butadiene rubber 20 parts, magnesia powder and al powder mixt 9 parts, 25 parts, resol, diatomite and kaolin mixture 6 parts, sodium acrylate 4 parts, aluminium nitride 6 parts, starch 4 parts, crystal whisker of hexa potassium titanate 8 parts, silicone powder 2 parts, dispersion agent 1 part, 0.5 part, softening agent, thermo-stabilizer 0.2 part.
2. a kind of impact modification composite plastic according to claim 1, it is characterized in that, described magnesia powder mixes with the phosphoric acid solution of 4.5% concentration after 200 DEG C of aerobics are calcined with al powder mixt again, constant temperature process 1-1.5 hour at 80-95 DEG C, filter, dry; Described magnesia powder mixes in 3:2 ratio with aluminium powder.
3. a kind of impact modification composite plastic according to claim 1, is characterized in that, described dispersion agent is Sodium hexametaphosphate 99, and described softening agent is citrate, and described thermo-stabilizer is dibasic lead phosphite.
4. a kind of impact modification composite plastic according to claim 1, it is characterized in that, described diatomite and kaolin mixture are through process modification process: after adopting the sodium hydroxide solution of 5mol/L concentration to soak 1 hour, filter, clear water is adopted to be washed till neutrality, add the vinylformic acid of diatomite and kaolin mixture 1% weight again, after stirring, carry out heating grinding after 30 minutes, be cooled to room temperature, filter, dry, pulverize to 100-150 order; Described diatomite mixes in 3:2 ratio with kaolin.
5. a kind of impact modification composite plastic according to claim 1, it is characterized in that, described resol and aluminium nitride are through pre-treatment: resol and aluminium nitride are mixed and heated to resol and melt completely, continue after 20 minutes, are quickly cooled to greenhouse.
6. a kind of impact modification composite plastic according to claim 1, is characterized in that, is mixed by starch after soaking 2 hours with 1.5% concentration methacrylic acid solution with silicone powder, be heated to 85-90 DEG C, keep after 1-2 hour, be cooled to room temperature, after anhydrating, dry.
7. a kind of impact modification composite plastic according to claim 1, it is characterized in that, thermoplastic styrene butadiene rubber is mixed with crystal whisker of hexa potassium titanate, then add the Vanadium Pentoxide in FLAKES of mixture weight 2.5%, process 30 minutes at 10MPa pressure, 115 DEG C of temperature after, be cooled to room temperature.
8. a kind of impact modification composite plastic according to claim 1, is characterized in that, when composite plastic is prepared in processing, is first mixed with sodium acrylate by polypropylene and adds in twin screw extruder after 30 minutes, then add other composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510680183.0A CN105237876A (en) | 2015-10-19 | 2015-10-19 | Impact-resistant modified composite plastics |
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| CN201510680183.0A CN105237876A (en) | 2015-10-19 | 2015-10-19 | Impact-resistant modified composite plastics |
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| CN105237876A true CN105237876A (en) | 2016-01-13 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1334289A (en) * | 2000-07-20 | 2002-02-06 | 中国石油化工股份有限公司 | Polypropylene composite material |
| CN101712779A (en) * | 2009-08-25 | 2010-05-26 | 上海普利特复合材料股份有限公司 | Polypropylene nano composite material and preparation method thereof |
| CN102206376A (en) * | 2010-03-31 | 2011-10-05 | 上海金发科技发展有限公司 | Polypropylene material filled with inorganic mineral powder, and its preparation method and application |
| CN102746575A (en) * | 2012-07-17 | 2012-10-24 | 江苏宏益生化科技有限公司 | Polypropylene and kieselguhr composite material and method for preparing same |
-
2015
- 2015-10-19 CN CN201510680183.0A patent/CN105237876A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1334289A (en) * | 2000-07-20 | 2002-02-06 | 中国石油化工股份有限公司 | Polypropylene composite material |
| CN101712779A (en) * | 2009-08-25 | 2010-05-26 | 上海普利特复合材料股份有限公司 | Polypropylene nano composite material and preparation method thereof |
| CN102206376A (en) * | 2010-03-31 | 2011-10-05 | 上海金发科技发展有限公司 | Polypropylene material filled with inorganic mineral powder, and its preparation method and application |
| CN102746575A (en) * | 2012-07-17 | 2012-10-24 | 江苏宏益生化科技有限公司 | Polypropylene and kieselguhr composite material and method for preparing same |
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Application publication date: 20160113 |
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