CN103509241A - Rice hull ash modified polypropylene material and preparation method thereof - Google Patents
Rice hull ash modified polypropylene material and preparation method thereof Download PDFInfo
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- CN103509241A CN103509241A CN201210216951.3A CN201210216951A CN103509241A CN 103509241 A CN103509241 A CN 103509241A CN 201210216951 A CN201210216951 A CN 201210216951A CN 103509241 A CN103509241 A CN 103509241A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
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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
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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
- B29C48/36—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
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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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
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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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K3/04—Carbon
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- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
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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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
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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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
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- B29C2948/92704—Temperature
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- C08K2201/002—Physical properties
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08L2207/10—Peculiar tacticity
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Abstract
The invention belongs to the technical field of polymers and relates to a modified polypropylene material and a preparation method thereof. The modified polypropylene material is prepared from the following components in parts by weight: 100 parts of polypropylene particles, 5-50 parts of rice hull ash, 0.1-1 part of antioxidant, 1-15 parts of plasticizer, 0.5-10 parts of light stabilizer and 0.1-5 parts of lubricating agent. According to the invention, the rice hull ash is added into the polypropylene particles, so that the mechanical performance of the polypropylene particles is improved. The polypropylene particles have the characteristics of no toxicity, tastelessness, low density, excellent moisture resistance and absorption property, excellent acid and alkaline corrosion resistance, excellent dissolution resistance and the like, and meanwhile, the mechanical performance of the polypropylene particles is improved.
Description
Technical field
The invention belongs to technical field of macromolecules, relate to a kind of modified polypropylene material and preparation method thereof.
Background technology
Polypropylene, due to nontoxic, tasteless, the feature such as density is little, good resistance to water soak, good antiacid caustic corrosion, good resist dissolution, is widely used in the aspects such as automotive industry, household electrical appliance, tubing, mechanical component making as a kind of conventional engineering plastics.But polypropylene also has some shortcomings part, as having, larger molding shrinkage, wear resistance are not enough, heat-drawn wire is not high, intensity is not high.In real life, the normal method of modification that adopts is given the performance that polypropylene is new, wherein mainly comprises by modification by copolymerization, graft modification, cross-linking modified and filling-modified method and improves polyacrylic performance.Wherein filling-modified main with talcum powder, calcium carbonate, glass microballon etc.
China is as main in the world product rice country, and rice husk quantity is huge, not yet finds suitable development and utilization measure at present, in many places, becomes agricultural wastes, and environment is produced to immense pressure.And by rice husk remaining after high-temp combustion be rice hull ash, its main component is gac more than 90% silicon-dioxide and 9%, wherein silicon-dioxide strengthens, improves heat-drawn wire as a kind of mineral filler to the mechanics of plastic substrate unusual effect.
Summary of the invention
The object of the invention is to provides a kind of modified polypropylene material and preparation method thereof for overcoming the defect of prior art.For achieving the above object, the present invention is by the following technical solutions:
, by the component that comprises following weight part, made:
Described polypropylene particles is homo-polypropylene, and degree of isotacticity is 60%-95%, and weight-average molecular weight is 100,000-300,000.
Described rice hull ash particle diameter is 100-1500 order.
Described rice hull ash is through anticipating, treatment process is as follows: rice hull ash is dissolved in the ethanolic soln of coupling agent, then high-speed stirring, wherein the mass ratio of rice hull ash and coupling agent is fixed as 100:2, stir and to be placed in ultrasonic pond after ultrasonic dispersion 30min simultaneously, finely dispersed rice hull ash is placed in to 90-120 ℃ of drying in oven 10-24h, the ethanolic soln being attached in rice hull ash is removed completely.
Described coupling agent is selected from KH-550(γ-aminopropyl triethoxysilane), NDZ-101(sec.-propyl two oleic acid acyloxy titanic acid ester) or A-101(vinyltrimethoxy silane) in one or more.
Described oxidation inhibitor is selected from tri-grades of butyl-4-methylphenols of 2,6-, pentanoic, 3, one or more in 5-tri-grades of butyl-4-hydroxy phenyl thioethers, Ursol D or dihydroquinoline.
Described softening agent is selected from one or more in terephthalic acid methyl esters, trioctyl trimellitate, the own ester of tri trimellitate, tributyl citrate, triethyl citrate or acetyl triethyl citrate.
Described photostabilizer is selected from one or more in dihydroxy benaophenonel, hydroxybenzotriazole or Whitfield's ointment.
Described lubricant is selected from one or more in stearic acid, calcium stearate, Zinic stearas, polyethylene wax, Poly Propylene Wax or Magnesium Stearate etc.
A preparation method for the polypropylene particles of rice hull ash modification, the method step is as follows:
(1) by said ratio, take each component raw material, 100 parts of polypropylene particles, 5-50 part rice hull ash, 0.1-1 part oxidation inhibitor, 1-10 part softening agent, 1-10 part photostabilizer and 1-10 part lubricant are added in high-speed mixer and mixed, be placed in vacuum drying oven and dry;
(2) dried material is sent into twin screw extruder through volume pump and carry out melting mixing, after die head extruding pelletization, obtain the polypropylene particles of rice hull ash modification.
Described mixing temperature is 100-150 ℃, and mixing time is 5-20min.
Described bake out temperature is 100-120 ℃, and drying time is 10-24h.
Described twin screw extruder length-to-diameter ratio is 30:1, and twin screw temperature setting is set to 140 ℃, and 160 ℃, 180 ℃, 200 ℃, 220 ℃, 240 ℃, forcing machine rotating speed is 10-100rpm.
The present invention improves the mechanical property of polypropylene particles in polypropylene particles by adding rice hull ash.Nontoxic, tasteless, the feature such as density is little, good resistance to water soak, good antiacid caustic corrosion, good resist dissolution that this polypropylene particles not only has has improved its mechanical property simultaneously.
The present invention compared with prior art, has the following advantages and beneficial effect:
1. the rice hull ash in the present invention is a kind of agricultural wastes, makes an addition in polypropylene both can, by its utilization of waste material protection of the environment, can greatly reduce again the cost of plastic pellet using it as filler.
In the present invention because rice hull ash is a kind of inorganic mixture, its mechanics to polypropylene particles strengthens, thermotolerance improves remarkable effect.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1
The pre-treatment of particle diameter 100 order rice hull ash: 5 parts of rice hull ash are dissolved in to the ethanolic soln that has added 0.1 part of KH-550, high-speed stirring, stir and to be placed in ultrasonic pond after ultrasonic dispersion 30min simultaneously, finely dispersed rice hull ash is placed in to 90-120 ℃ of drying in oven 10-24h, the ethanolic soln being attached in rice hull ash is removed completely.
By 100 parts of degree of isotacticity, be that 60% molecular weight is the homo-polypropylene particle of 10-30 ten thousand, 5 parts of pretreated rice hull ash, 0.1 part 2, tri-grades of butyl-4-methylphenols of 6-, 1 part of terephthalic acid methyl esters, 0.5 part of dihydroxy benaophenonel, 0.1 part of stearic acid add in high-speed mixer and mix, mixing temperature is 100 ℃, mixing time is 5min, is then placed in 100 ℃ of vacuum drying ovens and dries 10h.The material mixing is sent into twin screw extruder after volume pump, and length-to-diameter ratio is 30:1, carries out melting mixing, and twin screw temperature setting is set to 140 ℃, and 160 ℃, 180 ℃, 200 ℃, 220 ℃, 240 ℃, forcing machine rotating speed is 10rpm.Finally by crossing after die head extruding pelletization.The correlated performance of made sample is in Table 1.
Embodiment 2
The pre-treatment of particle diameter 300 order rice hull ash: 10 parts of rice hull ash are dissolved in to the ethanolic soln that has added 0.2 part of NDZ-101, high-speed stirring, stir and to be placed in ultrasonic pond after ultrasonic dispersion 30min simultaneously, finely dispersed rice hull ash is placed in to 90-120 ℃ of drying in oven 10-24h, the ethanolic soln being attached in rice hull ash is removed completely.
By 100 parts of degree of isotacticity, be that 65% molecular weight is that the homo-polypropylene particle of 10-30 ten thousand, 10 parts of pretreated rice hull ash, 0.2 part of pentanoic, 3 parts of trioctyl trimellitates, 2 parts of hydroxybenzotriazoles, 0.5 part of calcium stearate add in high-speed mixer and mix, mixing temperature is 110 ℃, mixing time is 8min, is then placed in 110 ℃ of vacuum drying ovens and dries 12h.The material mixing is sent into twin screw extruder after volume pump, and length-to-diameter ratio is 30:1, carries out melting mixing, and twin screw temperature setting is set to 140 ℃, and 160 ℃, 180 ℃, 200 ℃, 220 ℃, 240 ℃, forcing machine rotating speed is 20rpm.Finally by crossing after die head extruding pelletization.The correlated performance of made sample is in Table 1.
Embodiment 3
The pre-treatment of particle diameter 500 order rice hull ash: 15 parts of rice hull ash are dissolved in to the ethanolic soln that has added 0.3 part of A-101, high-speed stirring, stir and to be placed in ultrasonic pond after ultrasonic dispersion 30min simultaneously, finely dispersed rice hull ash is placed in to 90-120 ℃ of drying in oven 10-24h, the ethanolic soln being attached in rice hull ash is removed completely.
By 100 parts of degree of isotacticity, be that 70% molecular weight is the homo-polypropylene particle of 10-30 ten thousand, 15 parts of pretreated rice hull ash, 0.3 part 3, tri-grades of butyl-4-hydroxy phenyl thioethers of 5-, 5 parts of own esters of tri trimellitate, 3 parts of Whitfield's ointments, 1 part of Zinic stearas add in high-speed mixer and mix, mixing temperature is 120 ℃, mixing time is 10min, is then placed in 110 ℃ of vacuum drying ovens and dries 14h.The material mixing is sent into twin screw extruder after volume pump, and length-to-diameter ratio is 30:1, carries out melting mixing, and twin screw temperature setting is set to 140 ℃, and 160 ℃, 180 ℃, 200 ℃, 220 ℃, 240 ℃, forcing machine rotating speed is 30rpm.Finally by crossing after die head extruding pelletization.The correlated performance of made sample is in Table 1.
Embodiment 4
The pre-treatment of particle diameter 700 order rice hull ash: 20 parts of rice hull ash are dissolved in to the ethanolic soln that has added 0.4 part of NDZ-101, high-speed stirring, stir and to be placed in ultrasonic pond after ultrasonic dispersion 30min simultaneously, finely dispersed rice hull ash is placed in to 90-120 ℃ of drying in oven 10-24h, the ethanolic soln being attached in rice hull ash is removed completely.
By 100 parts of degree of isotacticity, be that 75% molecular weight is that the homo-polypropylene particle of 10-30 ten thousand, 20 parts of pretreated rice hull ash, 0.4 part of Ursol D, 7 parts of tributyl citrates, 4 parts of dihydroxy benaophenonels, 1.5 parts of polyethylene waxs add in high-speed mixer and mix, mixing temperature is 130 ℃, mixing time is 12min, is then placed in 100 ℃ of vacuum drying ovens and dries 16h.The material mixing is sent into twin screw extruder after volume pump, and length-to-diameter ratio is 30:1, carries out melting mixing, and twin screw temperature setting is set to 140 ℃, and 160 ℃, 180 ℃, 200 ℃, 220 ℃, 240 ℃, forcing machine rotating speed is 40rpm.Finally by crossing after die head extruding pelletization.The correlated performance of made sample is in Table 1.
Embodiment 5
The pre-treatment of particle diameter 900 order rice hull ash: 25 parts of rice hull ash are dissolved in to the ethanolic soln that has added 0.5 part of KH-550, high-speed stirring, stir and to be placed in ultrasonic pond after ultrasonic dispersion 30min simultaneously, finely dispersed rice hull ash is placed in to 90-120 ℃ of drying in oven 10-24h, the ethanolic soln being attached in rice hull ash is removed completely.
By 100 parts of degree of isotacticity, be that 80% molecular weight is that the homo-polypropylene particle of 10-30 ten thousand, 25 parts of pretreated rice hull ash, 0.5 part of dihydroquinoline, 9 parts of triethyl citrates, 5 parts of hydroxybenzotriazoles, 2.5 parts of Poly Propylene Waxes add in high-speed mixer and mix, mixing temperature is 130 ℃, mixing time is 15min, is then placed in 120 ℃ of vacuum drying ovens and dries 18h.The material mixing is sent into twin screw extruder after volume pump, and length-to-diameter ratio is 30:1, carries out melting mixing, and twin screw temperature setting is set to 140 ℃, and 160 ℃, 180 ℃, 200 ℃, 220 ℃, 240 ℃, forcing machine rotating speed is 50rpm.Finally by crossing after die head extruding pelletization.The correlated performance of made sample is in Table 1.
Embodiment 6
The pre-treatment of particle diameter 1100 order rice hull ash: 30 parts of rice hull ash are dissolved in to the ethanolic soln that has added 0.6 part of A-101, high-speed stirring, stir and to be placed in ultrasonic pond after ultrasonic dispersion 30min simultaneously, finely dispersed rice hull ash is placed in to 90-120 ℃ of drying in oven 10-24h, the ethanolic soln being attached in rice hull ash is removed completely.
By 100 parts of degree of isotacticity, be that 80% molecular weight is the homo-polypropylene particle of 10-30 ten thousand, 30 parts of pretreated rice hull ash, 0.6 part 2, tri-grades of butyl-4-methylphenols of 6-, 11 parts of terephthalic acid methyl esters, 6 parts of Whitfield's ointments, 3 parts of Magnesium Stearates add in high-speed mixer and mix, mixing temperature is 140 ℃, mixing time is 16min, is then placed in 120 ℃ of vacuum drying ovens and dries 19h.The material mixing is sent into twin screw extruder after volume pump, and length-to-diameter ratio is 30:1, carries out melting mixing, and twin screw temperature setting is set to 140 ℃, and 160 ℃, 180 ℃, 200 ℃, 220 ℃, 240 ℃, forcing machine rotating speed is 70rpm.Finally by crossing after die head extruding pelletization.The correlated performance of made sample is in Table 1.
Embodiment 7
The pre-treatment of particle diameter 1300 order rice hull ash: 40 parts of rice hull ash are dissolved in to the ethanolic soln that has added 0.8 part of KH-550, high-speed stirring, stir and to be placed in ultrasonic pond after ultrasonic dispersion 30min simultaneously, finely dispersed rice hull ash is placed in to 90-120 ℃ of drying in oven 10-24h, the ethanolic soln being attached in rice hull ash is removed completely.
By 100 parts of degree of isotacticity, be that 90% molecular weight is that the homo-polypropylene particle of 10-30 ten thousand, 40 parts of pretreated rice hull ash, 0.8 part of Ursol D, 13 parts of tributyl citrates, 9 parts of dihydroxy benaophenonels, 4 parts of stearic acid add in high-speed mixer and mix, mixing temperature is 150 ℃, mixing time is 18min, is then placed in 120 ℃ of vacuum drying ovens and dries 20h.The material mixing is sent into twin screw extruder after volume pump, and length-to-diameter ratio is 30:1, carries out melting mixing, and twin screw temperature setting is set to 140 ℃, and 160 ℃, 180 ℃, 200 ℃, 220 ℃, 240 ℃, forcing machine rotating speed is 80rpm.Finally by crossing after die head extruding pelletization.The correlated performance of made sample is in Table 1.
Embodiment 8
The pre-treatment of particle diameter 1500 order rice hull ash: 50 parts of rice hull ash are dissolved in to the ethanolic soln that has added 1 part of A-101, high-speed stirring, stir and to be placed in ultrasonic pond after ultrasonic dispersion 30min simultaneously, finely dispersed rice hull ash is placed in to 90-120 ℃ of drying in oven 10-24h, the ethanolic soln being attached in rice hull ash is removed completely.
By 100 parts of degree of isotacticity, be that 95% molecular weight is that the homo-polypropylene particle of 10-30 ten thousand, 50 parts of pretreated rice hull ash, 1 part of pentanoic, 15 parts of triethyl citrates, 10 parts of hydroxybenzotriazoles, 5 parts of Zinic stearass add in high-speed mixer and mix, mixing temperature is 150 ℃, mixing time is 20min, is then placed in 120 ℃ of vacuum drying ovens and dries 24h.The material mixing is sent into twin screw extruder after volume pump, and length-to-diameter ratio is 30:1, carries out melting mixing, and twin screw temperature setting is set to 140 ℃, and 160 ℃, 180 ℃, 200 ℃, 220 ℃, 240 ℃, forcing machine rotating speed is 100rpm.Finally by crossing after die head extruding pelletization.The correlated performance of made sample is in Table 1.
Comparative example 1
In the present embodiment, the consumption of rice hull ash is 0 part, other feed intake and processing step with embodiment 8, the correlated performance of made sample is in Table 1.
Table 1
By data in table 1, can be seen, add rice hull ash the tensile strength of polypropylene particles, flexural strength, shock strength are significantly increased, the raising of its heat-drawn wire is also had to certain effect.The rice hull ash that is waste by this is used as filler, not only environmentally friendly, can improve again the performance of polypropylene particles, so rice hull ash filled modified polypropylene particle has vast potential for future development.Increase along with rice hull ash content, the mechanical property of polypropylene particles is first to raise and reduce afterwards, when rice hull ash is added 25 parts, the polypropylene particles of modification has optimum mechanical property, its mechanical property of content that continues increase rice hull ash is on a declining curve, may be because rice hull ash content is too high, to cause reuniting having affected mechanical property; And its heat-drawn wire is along with the increase of rice hull ash content increases progressively.
The above-mentioned description to embodiment is can understand and apply the invention for ease of those skilled in the art.Person skilled in the art obviously can easily make various modifications to these embodiment, and General Principle described herein is applied in other embodiment and needn't passes through performing creative labour.Therefore, the invention is not restricted to the embodiment here, those skilled in the art are according to announcement of the present invention, and not departing from the improvement that category of the present invention makes and revise all should be within protection scope of the present invention.
Claims (10)
1. a modified polypropylene material, is characterized in that: by the component that comprises following weight part, made:
2. modified polypropylene material according to claim 1, is characterized in that: described polypropylene particles is homo-polypropylene, and degree of isotacticity is 60%-95%, and weight-average molecular weight is 100,000-300,000;
Or described rice hull ash particle diameter is 100-1500 order.
3. modified polypropylene material according to claim 1, it is characterized in that: described rice hull ash is through anticipating, treatment process is as follows: rice hull ash is dissolved in the ethanolic soln of coupling agent, then high-speed stirring, wherein the mass ratio of rice hull ash and coupling agent is fixed as 100:2, stir and to be placed in ultrasonic pond after ultrasonic dispersion 30min simultaneously, finely dispersed rice hull ash is placed in to 90-120 ℃ of drying in oven 10-24h, the ethanolic soln being attached in rice hull ash is removed completely.
4. modified polypropylene material according to claim 1, is characterized in that: described coupling agent is selected from one or more in γ-aminopropyl triethoxysilane, sec.-propyl two oleic acid acyloxy titanic acid ester or vinyltrimethoxy silane.
5. modified polypropylene material according to claim 1, it is characterized in that: described oxidation inhibitor is selected from 2, tri-grades of butyl-4-methylphenols of 6-, pentanoic, 3, one or more in 5-tri-grades of butyl-4-hydroxy phenyl thioethers, Ursol D or dihydroquinoline.
6. modified polypropylene material according to claim 1, is characterized in that: described softening agent is selected from one or more in terephthalic acid methyl esters, trioctyl trimellitate, the own ester of tri trimellitate, tributyl citrate, triethyl citrate or acetyl triethyl citrate.
7. modified polypropylene material according to claim 1, is characterized in that: described photostabilizer is selected from one or more in dihydroxy benaophenonel, hydroxybenzotriazole or Whitfield's ointment;
Or described lubricant is selected from one or more in stearic acid, calcium stearate, Zinic stearas, polyethylene wax, Poly Propylene Wax or Magnesium Stearate etc.
8. a preparation method for the polypropylene particles of arbitrary described rice hull ash modification in the claims 1-7, is characterized in that: the method step is as follows:
(1) by proportioning claimed in claim 1, take each component raw material, 100 parts of polypropylene particles, 5-50 part rice hull ash, 0.1-1 part oxidation inhibitor, 1-10 part softening agent, 1-10 part photostabilizer and 1-10 part lubricant are added in high-speed mixer and mixed, be placed in vacuum drying oven and dry;
(2) dried material is sent into twin screw extruder through volume pump and carry out melting mixing, after die head extruding pelletization, obtain the polypropylene particles of rice hull ash modification.
9. preparation method according to claim 8, is characterized in that: described mixing temperature is 100-150 ℃, and mixing time is 5-20min;
Or described bake out temperature is 100-120 ℃, drying time is 10-24h.
10. preparation method according to claim 8, is characterized in that: described twin screw extruder length-to-diameter ratio is 30:1, and twin screw temperature setting is set to 140 ℃, and 160 ℃, 180 ℃, 200 ℃, 220 ℃, 240 ℃, forcing machine rotating speed is 10-100rpm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210216951.3A CN103509241A (en) | 2012-06-27 | 2012-06-27 | Rice hull ash modified polypropylene material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210216951.3A CN103509241A (en) | 2012-06-27 | 2012-06-27 | Rice hull ash modified polypropylene material and preparation method thereof |
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| Publication Number | Publication Date |
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| CN103509241A true CN103509241A (en) | 2014-01-15 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103849018A (en) * | 2012-11-28 | 2014-06-11 | 合肥杰事杰新材料股份有限公司 | Rice hull ash/macromolecular composite material, preparation method and application thereof |
| CN107987545A (en) * | 2017-11-24 | 2018-05-04 | 壳氏（黑龙江）新材料科技有限公司 | A kind of powdered rice hulls masterbatch and preparation method thereof |
| CN108359160A (en) * | 2018-03-06 | 2018-08-03 | 广东腾业科技有限公司 | A kind of preparation method of stretch-proof nanosized SiO_2-high density polyethylene (HDPE)-lignocellulose fiber composite plastic |
| CN108789709A (en) * | 2018-06-26 | 2018-11-13 | 阜南县柳祥工艺品有限公司 | A kind of method for bleaching keeping wheat straw mechanical strength |
| US10160313B1 (en) | 2018-04-04 | 2018-12-25 | Ford Motor Company Brasil Ltda | Biodiesel resistant PVC/NBR rubber composition |
| US10166863B1 (en) | 2018-04-04 | 2019-01-01 | Ford Motor Company Brasil Ltda | Biodiesel resistant PVC/NBR rubber composition |
| CN113881144A (en) * | 2021-11-11 | 2022-01-04 | 长春工业大学 | Polypropylene/ethylene propylene diene monomer/rice hull ash composite material and preparation method thereof |
| CN113881140A (en) * | 2021-10-15 | 2022-01-04 | 长春工业大学 | PP/rice hull ash composite material and preparation method thereof |
| CN116177929A (en) * | 2023-03-06 | 2023-05-30 | 中建八局第三建设有限公司 | Solid waste base building template and preparation method thereof |
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2012
- 2012-06-27 CN CN201210216951.3A patent/CN103509241A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103849018A (en) * | 2012-11-28 | 2014-06-11 | 合肥杰事杰新材料股份有限公司 | Rice hull ash/macromolecular composite material, preparation method and application thereof |
| CN103849018B (en) * | 2012-11-28 | 2017-04-19 | 合肥杰事杰新材料股份有限公司 | Rice hull ash/macromolecular composite material, preparation method and application thereof |
| CN107987545A (en) * | 2017-11-24 | 2018-05-04 | 壳氏（黑龙江）新材料科技有限公司 | A kind of powdered rice hulls masterbatch and preparation method thereof |
| WO2019100964A1 (en) * | 2017-11-24 | 2019-05-31 | 壳氏（黑龙江）新材料科技有限公司 | Rice hull powder master batch and preparation method therefor |
| CN108359160A (en) * | 2018-03-06 | 2018-08-03 | 广东腾业科技有限公司 | A kind of preparation method of stretch-proof nanosized SiO_2-high density polyethylene (HDPE)-lignocellulose fiber composite plastic |
| US10160313B1 (en) | 2018-04-04 | 2018-12-25 | Ford Motor Company Brasil Ltda | Biodiesel resistant PVC/NBR rubber composition |
| US10166863B1 (en) | 2018-04-04 | 2019-01-01 | Ford Motor Company Brasil Ltda | Biodiesel resistant PVC/NBR rubber composition |
| CN108789709A (en) * | 2018-06-26 | 2018-11-13 | 阜南县柳祥工艺品有限公司 | A kind of method for bleaching keeping wheat straw mechanical strength |
| CN113881140A (en) * | 2021-10-15 | 2022-01-04 | 长春工业大学 | PP/rice hull ash composite material and preparation method thereof |
| CN113881144A (en) * | 2021-11-11 | 2022-01-04 | 长春工业大学 | Polypropylene/ethylene propylene diene monomer/rice hull ash composite material and preparation method thereof |
| CN116177929A (en) * | 2023-03-06 | 2023-05-30 | 中建八局第三建设有限公司 | Solid waste base building template and preparation method thereof |
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