CN106800707A - A kind of ageing resistance polypropylene composite and preparation method thereof - Google Patents
A kind of ageing resistance polypropylene composite and preparation method thereof Download PDFInfo
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- CN106800707A CN106800707A CN201710053303.3A CN201710053303A CN106800707A CN 106800707 A CN106800707 A CN 106800707A CN 201710053303 A CN201710053303 A CN 201710053303A CN 106800707 A CN106800707 A CN 106800707A
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
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- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention discloses a kind of ageing resistance polypropylene composite, component including following parts by weight, 300~400 parts of polypropylene, 30~40 parts of stabilizer, 10~15 parts of crosslinking agent, 20~30 parts of antioxidant, 5~10 parts of modifying agent, 30~50 parts of toughener, 70~100 parts of methyl diphenylene diisocyanate.The invention also discloses a kind of preparation method of above-mentioned ageing resistance polypropylene composite.The present invention solves the deficiencies in the prior art, can comprehensively improve polyacrylic toughness and ageing resistace.
Description
Technical field
The present invention relates to new material technology field, especially a kind of ageing resistance polypropylene composite and preparation method thereof.
Background technology
Polypropylene (PP) is one of maximum resin of global yield, is a kind of Crystalline plastics of compound with regular structure, is had
Density is small, nontoxic, easy processing, that hygroscopicity is low, impact strength is high, resistant to chemical etching, electrical insulation capability is good and cost performance is high etc. is excellent
Point, is widely used in the fields such as building, automobile, packaging, machinery.The B of Chinese invention patent CN 103333409 disclose a kind of increasing
Strong toughening anti-aging polypropylene alkene composite and preparation method thereof, is improve polyacrylic using nanometer acetylene black and titanium dioxide
Anti-light aging performance.But, it is not significantly improved for polyacrylic oxidative resistance and wearability, and because it cannot
Crosslinked with polypropylene forms stabilization, is unfavorable for the raising of polypropylene toughness.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of ageing resistance polypropylene composite and preparation method thereof, can
The deficiencies in the prior art are solved, polyacrylic toughness and ageing resistace can be comprehensively improved.
A kind of ageing resistance polypropylene composite, including following parts by weight component,
300~400 parts of polypropylene, 30~40 parts of stabilizer, 10~15 parts of crosslinking agent, 20~30 parts anti-oxidant
Agent, 5~10 parts of modifying agent, 30~50 parts of toughener, 70~100 parts of methyl diphenylene diisocyanate.
Used as a preferred technical solution of the present invention, the stabilizer includes following component,
The calcium stearate of 10~15wt%, the phosphite ester of 20~30wt%, the glycerine of 15~18wt%, 5~7wt%
4- trimethylanilines, the chloro- 4-HBA ethyl esters of 3,5- bis- of 10~18wt%, the N- benzyloxycarbonyls-L- of 2~4wt%
Propanolamine, balance of para orientation nitration.
Used as a preferred technical solution of the present invention, the crosslinking agent includes following component,
The benzaldehyde of 13~20wt%, the vinyltoluene of 5~8wt%, the methylene-bisacrylamide of 10~15wt%,
The glycerin monostearate of 2~5wt%, 8~15wt% to cyclohexanone Ethyl formate, the 2,3- quinoline diformazans of 10~12wt%
Acid, 4, the 4- dinitro diphenyl ethers of 4~10wt%, balance of isopropanol.
Used as a preferred technical solution of the present invention, the antioxidant includes following component,
The triphenyl phosphite of 8~18wt%, the distearyl sulphur of 5~10wt% connect the mountain of dipropionate, 1~2wt%
Potassium sorbate, the silicone of 3~5wt%, the 2- amyl hydrosulfides of 15~25wt%, the 4- amino-n-butyl alcohol of 10~20wt%, 4~8wt%
P-methoxybenzoic acid, balance of 2,3- difluoro-5-chloropyridines.
Used as a preferred technical solution of the present invention, the modifying agent includes following component,
The azodiisobutyronitrile of 8~15wt%, the melamine of 3~6wt%, the cyclohexanedimethanol of 10~15wt%,
Methyl -2 of 10~15wt%, 6- cyclohexane diisocyanates, the dibutyl phthalate of 15~20wt%, 5~12wt%
3,4,5- trimethoxy phenyl isothiocyanates, balance of 4'- hydroxy benzenes heptanone.
Used as a preferred technical solution of the present invention, the toughener includes following component,
The GDMA of 5~10wt%, the pentaerythrite of 15~18wt%, the poly- second of 25~30wt%
Alkene wax, the 3- Methyl anthranilates of 3~5wt%, the chloro- 5- nitro-trifluoromethyl toluenes of 3- of 4~10wt%, the 3- of 10~15wt%
Hydroxyl -4- methoxy benzyl alcohols, balance of 4,4'- dimethyltrianilines.
A kind of preparation method of above-mentioned ageing resistance polypropylene composite, comprises the following steps：
A, polypropylene, crosslinking agent and methyl diphenylene diisocyanate are heated, be then sufficiently mixed, be obtained
2~3 hours are stood in base material mixture, room temperature；
B, base material mixture is mixed again with stabilizer, antioxidant, modifying agent, toughener, used extruder
Extrusion, is obtained ageing resistance polypropylene composite material granular.
The beneficial effect brought using above-mentioned technical proposal is：The stabilizer that the present invention is used can improve additive
With fully merging for pp material, antioxidant not only have good antioxidation, and can also in toughener gather
Ethylene waxes play a protective role.Modifying agent can improve the syncretizing effect of polypropylene and 4- trimethylanilines, so as to improve stabilization
The action effect of agent.The ageing resistance polypropylene composite that the present invention is provided, antioxygenic property is strong, and toughness is high, widely applicable.
Specific embodiment
Embodiment 1
A kind of ageing resistance polypropylene composite, including following parts by weight component,
360 parts of polypropylene, 35 parts of stabilizer, 12 parts of crosslinking agent, 25 parts of antioxidant, 9 parts of modifying agent, 35
The toughener, 85 parts of methyl diphenylene diisocyanate of part.
Stabilizer includes following component,
The calcium stearate of 13wt%, the phosphite ester of 27wt%, the glycerine of 15wt%, the 4- trimethylanilines of 6wt%,
The chloro- 4-HBA ethyl esters of 3,5- bis- of 15wt%, the N- benzyloxycarbonyl-L- Propanolamines of 3wt%, balance of p-nitrophenyl
Acetonitrile.
Crosslinking agent includes following component,
The benzaldehyde of 15wt%, the vinyltoluene of 7wt%, the methylene-bisacrylamide of 12wt%, 4wt% it is single hard
Glycerol, 10wt% to cyclohexanone Ethyl formate, the 2,3- quinolinedicarboxylic acids of 12wt%, 5wt% 4,4- dinitros
Diphenyl ether, balance of isopropanol.
Antioxidant includes following component,
The triphenyl phosphite of 12wt%, the distearyl sulphur of 6wt% connect dipropionate, the potassium sorbate of 1wt%,
The silicone of 3wt%, the 2- amyl hydrosulfides of 21wt%, the 4- amino-n-butyl alcohol of 17wt%, the P-methoxybenzoic acid of 7wt%, surplus
It is 2,3- difluoro-5-chloropyridines.
Modifying agent includes following component,
The azodiisobutyronitrile of 14wt%, the melamine of 5wt%, the cyclohexanedimethanol of 11wt%, the first of 12wt%
Base -2,6- cyclohexane diisocyanates, the dibutyl phthalate of 19wt%, the 3 of 7wt%, the different sulphur cyanogen of 4,5- trimethoxies
Acid phenenyl ester, balance of 4'- hydroxy benzenes heptanone.
Toughener includes following component,
The GDMA of 6wt%, the pentaerythrite of 16wt%, the Tissuemat E of 28wt%, 4wt%
3- Methyl anthranilates, the chloro- 5- nitro-trifluoromethyl toluenes of 3- of 8wt%, the 3- hydroxyl -4- methoxy benzyl alcohols of 11wt%, it is remaining
It is 4,4'- dimethyltrianilines to measure.
A kind of preparation method of above-mentioned ageing resistance polypropylene composite, comprises the following steps：
A, polypropylene, crosslinking agent and methyl diphenylene diisocyanate are heated to 175 DEG C, are then sufficiently mixed,
It is obtained in base material mixture, room temperature and stands 2~3 hours；
B, base material mixture is mixed again with stabilizer, antioxidant, modifying agent, toughener, used extruder
Extrusion, extruder head section temperature is 135 DEG C, and two sections of temperature are 180 DEG C, and three sections of temperature are 195 DEG C, and four sections of temperature are 175 DEG C, system
Obtain ageing resistance polypropylene composite material granular.
Embodiment 2
A kind of ageing resistance polypropylene composite, including following parts by weight component,
360 parts of polypropylene, 35 parts of stabilizer, 12 parts of crosslinking agent, 25 parts of antioxidant, 9 parts of modifying agent, 35
The toughener, 85 parts of methyl diphenylene diisocyanate of part.
Stabilizer includes following component,
The calcium stearate of 13wt%, the phosphite ester of 27wt%, the glycerine of 15wt%, the 4- trimethylanilines of 6wt%,
The chloro- 4-HBA ethyl esters of 3,5- bis- of 15wt%, the N- benzyloxycarbonyl-L- Propanolamines of 3wt%, 2, the 4- bis- of 5wt%
Sodium nitrophenolate, balance of para orientation nitration.
Crosslinking agent includes following component,
The benzaldehyde of 15wt%, the vinyltoluene of 7wt%, the methylene-bisacrylamide of 12wt%, 4wt% it is single hard
Glycerol, 10wt% to cyclohexanone Ethyl formate, the 2,3- quinolinedicarboxylic acids of 12wt%, 5wt% 4,4- dinitros
Diphenyl ether, balance of isopropanol.
Antioxidant includes following component,
The triphenyl phosphite of 12wt%, the distearyl sulphur of 6wt% connect dipropionate, the potassium sorbate of 1wt%,
The silicone of 3wt%, the 2- amyl hydrosulfides of 21wt%, the 4- amino-n-butyl alcohol of 17wt%, the P-methoxybenzoic acid of 7wt%, surplus
It is 2,3- difluoro-5-chloropyridines.
Modifying agent includes following component,
The azodiisobutyronitrile of 14wt%, the melamine of 5wt%, the cyclohexanedimethanol of 11wt%, the first of 12wt%
Base -2,6- cyclohexane diisocyanates, the dibutyl phthalate of 19wt%, the 3 of 7wt%, the different sulphur cyanogen of 4,5- trimethoxies
Acid phenenyl ester, balance of 4'- hydroxy benzenes heptanone.
Toughener includes following component,
The GDMA of 6wt%, the pentaerythrite of 16wt%, the Tissuemat E of 28wt%, 4wt%
3- Methyl anthranilates, the chloro- 5- nitro-trifluoromethyl toluenes of 3- of 8wt%, the 3- hydroxyl -4- methoxy benzyl alcohols of 11wt%, it is remaining
It is 4,4'- dimethyltrianilines to measure.
A kind of preparation method of above-mentioned ageing resistance polypropylene composite, comprises the following steps：
A, polypropylene, crosslinking agent and methyl diphenylene diisocyanate are heated to 175 DEG C, are then sufficiently mixed,
It is obtained in base material mixture, room temperature and stands 2~3 hours；
B, base material mixture is mixed again with stabilizer, antioxidant, modifying agent, toughener, used extruder
Extrusion, extruder head section temperature is 135 DEG C, and two sections of temperature are 180 DEG C, and three sections of temperature are 195 DEG C, and four sections of temperature are 175 DEG C, system
Obtain ageing resistance polypropylene composite material granular.
Embodiment 3
A kind of ageing resistance polypropylene composite, including following parts by weight component,
360 parts of polypropylene, 35 parts of stabilizer, 12 parts of crosslinking agent, 25 parts of antioxidant, 9 parts of modifying agent, 35
The toughener, 85 parts of methyl diphenylene diisocyanate of part.
Stabilizer includes following component,
The calcium stearate of 13wt%, the phosphite ester of 27wt%, the glycerine of 15wt%, the 4- trimethylanilines of 6wt%,
The chloro- 4-HBA ethyl esters of 3,5- bis- of 15wt%, the N- benzyloxycarbonyl-L- Propanolamines of 3wt%, 2, the 4- bis- of 5wt%
Sodium nitrophenolate, balance of para orientation nitration.
Crosslinking agent includes following component,
The benzaldehyde of 15wt%, the vinyltoluene of 7wt%, the methylene-bisacrylamide of 12wt%, 4wt% it is single hard
Glycerol, 10wt% to cyclohexanone Ethyl formate, the 2,3- quinolinedicarboxylic acids of 12wt%, 5wt% 4,4- dinitros
Diphenyl ether, balance of isopropanol.
Antioxidant includes following component,
The triphenyl phosphite of 12wt%, the distearyl sulphur of 6wt% connect dipropionate, the potassium sorbate of 1wt%,
The silicone of 3wt%, the 2- amyl hydrosulfides of 21wt%, the 4- amino-n-butyl alcohol of 17wt%, the P-methoxybenzoic acid of 7wt%,
The chloro- 3- nitrobenzyl alcohols of 4- of 8wt%, balance of 2,3- difluoro-5-chloropyridines.
Modifying agent includes following component,
The azodiisobutyronitrile of 14wt%, the melamine of 5wt%, the cyclohexanedimethanol of 11wt%, the first of 12wt%
Base -2,6- cyclohexane diisocyanates, the dibutyl phthalate of 19wt%, the 3 of 7wt%, the different sulphur cyanogen of 4,5- trimethoxies
Acid phenenyl ester, balance of 4'- hydroxy benzenes heptanone.
Toughener includes following component,
The GDMA of 6wt%, the pentaerythrite of 16wt%, the Tissuemat E of 28wt%, 4wt%
3- Methyl anthranilates, the chloro- 5- nitro-trifluoromethyl toluenes of 3- of 8wt%, the 3- hydroxyl -4- methoxy benzyl alcohols of 11wt%, it is remaining
It is 4,4'- dimethyltrianilines to measure.
A kind of preparation method of above-mentioned ageing resistance polypropylene composite, comprises the following steps：
A, polypropylene, crosslinking agent and methyl diphenylene diisocyanate are heated to 175 DEG C, are then sufficiently mixed,
It is obtained in base material mixture, room temperature and stands 2~3 hours；
B, base material mixture is mixed again with stabilizer, antioxidant, modifying agent, toughener, used extruder
Extrusion, extruder head section temperature is 135 DEG C, and two sections of temperature are 180 DEG C, and three sections of temperature are 195 DEG C, and four sections of temperature are 175 DEG C, system
Obtain ageing resistance polypropylene composite material granular.
Embodiment 4
A kind of ageing resistance polypropylene composite, including following parts by weight component,
360 parts of polypropylene, 35 parts of stabilizer, 12 parts of crosslinking agent, 25 parts of antioxidant, 9 parts of modifying agent, 35
The toughener, 85 parts of methyl diphenylene diisocyanate of part.
Stabilizer includes following component,
The calcium stearate of 13wt%, the phosphite ester of 27wt%, the glycerine of 15wt%, the 4- trimethylanilines of 6wt%,
The chloro- 4-HBA ethyl esters of 3,5- bis- of 15wt%, the N- benzyloxycarbonyl-L- Propanolamines of 3wt%, 2, the 4- bis- of 5wt%
Sodium nitrophenolate, balance of para orientation nitration.
Crosslinking agent includes following component,
The benzaldehyde of 15wt%, the vinyltoluene of 7wt%, the methylene-bisacrylamide of 12wt%, 4wt% it is single hard
Glycerol, 10wt% to cyclohexanone Ethyl formate, the 2,3- quinolinedicarboxylic acids of 12wt%, 5wt% 4,4- dinitros
Diphenyl ether, balance of isopropanol.
Antioxidant includes following component,
The triphenyl phosphite of 12wt%, the distearyl sulphur of 6wt% connect dipropionate, the potassium sorbate of 1wt%,
The silicone of 3wt%, the 2- amyl hydrosulfides of 21wt%, the 4- amino-n-butyl alcohol of 17wt%, the P-methoxybenzoic acid of 7wt%,
The chloro- 3- nitrobenzyl alcohols of 4- of 8wt%, balance of 2,3- difluoro-5-chloropyridines.
Modifying agent includes following component,
The azodiisobutyronitrile of 14wt%, the melamine of 5wt%, the cyclohexanedimethanol of 11wt%, the first of 12wt%
Base -2,6- cyclohexane diisocyanates, the dibutyl phthalate of 19wt%, the 3 of 7wt%, the different sulphur cyanogen of 4,5- trimethoxies
Acid phenenyl ester, 2wt% to chlorophenetole, balance of 4'- hydroxy benzenes heptanone.
Toughener includes following component,
The GDMA of 6wt%, the pentaerythrite of 16wt%, the Tissuemat E of 28wt%, 4wt%
3- Methyl anthranilates, the chloro- 5- nitro-trifluoromethyl toluenes of 3- of 8wt%, the 3- hydroxyl -4- methoxy benzyl alcohols of 11wt%, it is remaining
It is 4,4'- dimethyltrianilines to measure.
A kind of preparation method of above-mentioned ageing resistance polypropylene composite, comprises the following steps：
A, polypropylene, crosslinking agent and methyl diphenylene diisocyanate are heated to 175 DEG C, are then sufficiently mixed,
It is obtained in base material mixture, room temperature and stands 2~3 hours；
B, base material mixture is mixed again with stabilizer, antioxidant, modifying agent, toughener, used extruder
Extrusion, extruder head section temperature is 135 DEG C, and two sections of temperature are 180 DEG C, and three sections of temperature are 195 DEG C, and four sections of temperature are 175 DEG C, system
Obtain ageing resistance polypropylene composite material granular.
Embodiment 5
A kind of ageing resistance polypropylene composite, including following parts by weight component,
360 parts of polypropylene, 35 parts of stabilizer, 12 parts of crosslinking agent, 25 parts of antioxidant, 9 parts of modifying agent, 35
The toughener, 85 parts of methyl diphenylene diisocyanate of part.
Stabilizer includes following component,
The calcium stearate of 13wt%, the phosphite ester of 27wt%, the glycerine of 15wt%, the 4- trimethylanilines of 6wt%,
The chloro- 4-HBA ethyl esters of 3,5- bis- of 15wt%, the N- benzyloxycarbonyl-L- Propanolamines of 3wt%, 2, the 4- bis- of 5wt%
Sodium nitrophenolate, balance of para orientation nitration.
Crosslinking agent includes following component,
The benzaldehyde of 15wt%, the vinyltoluene of 7wt%, the methylene-bisacrylamide of 12wt%, 4wt% it is single hard
Glycerol, 10wt% to cyclohexanone Ethyl formate, the 2,3- quinolinedicarboxylic acids of 12wt%, 5wt% 4,4- dinitros
Diphenyl ether, balance of isopropanol.
Antioxidant includes following component,
The triphenyl phosphite of 12wt%, the distearyl sulphur of 6wt% connect dipropionate, the potassium sorbate of 1wt%,
The silicone of 3wt%, the 2- amyl hydrosulfides of 21wt%, the 4- amino-n-butyl alcohol of 17wt%, the P-methoxybenzoic acid of 7wt%,
The chloro- 3- nitrobenzyl alcohols of 4- of 8wt%, balance of 2,3- difluoro-5-chloropyridines.
Modifying agent includes following component,
The azodiisobutyronitrile of 14wt%, the melamine of 5wt%, the cyclohexanedimethanol of 11wt%, the first of 12wt%
Base -2,6- cyclohexane diisocyanates, the dibutyl phthalate of 19wt%, the 3 of 7wt%, the different sulphur cyanogen of 4,5- trimethoxies
Acid phenenyl ester, 2wt% to chlorophenetole, balance of 4'- hydroxy benzenes heptanone.
Toughener includes following component,
The GDMA of 6wt%, the pentaerythrite of 16wt%, the Tissuemat E of 28wt%, 4wt%
3- Methyl anthranilates, the chloro- 5- nitro-trifluoromethyl toluenes of 3- of 8wt%, the 3- hydroxyl -4- methoxy benzyl alcohols of 11wt%,
The bromo- 5- bourbonals of 3- of 10wt%, balance of 4,4'- dimethyltrianilines.
A kind of preparation method of above-mentioned ageing resistance polypropylene composite, comprises the following steps：
A, polypropylene, crosslinking agent and methyl diphenylene diisocyanate are heated to 175 DEG C, are then sufficiently mixed,
It is obtained in base material mixture, room temperature and stands 2~3 hours；
B, base material mixture is mixed again with stabilizer, antioxidant, modifying agent, toughener, used extruder
Extrusion, extruder head section temperature is 135 DEG C, and two sections of temperature are 180 DEG C, and three sections of temperature are 195 DEG C, and four sections of temperature are 175 DEG C, system
Obtain ageing resistance polypropylene composite material granular.
The preparation method (comparative example) and preparation method provided by the present invention provided using patent described in background technology are entered
The preparation of row PP composite material, is then soaked using the sample prepared in the hydrogen peroxide that concentration is 30%, temperature
Degree is kept for 45 DEG C, after soaking 15 days, the detection of tensile strength and impact strength is carried out to sample, as a result as follows：
| Group | Tensile strength (MPa) | Impact strength (KJ/ ㎡) |
| Comparative example | 18.12 | 9.05 |
| Embodiment 1 | 22.45 | 9.55 |
| Embodiment 2 | 23.85 | 11.07 |
| Embodiment 3 | 23.55 | 12.55 |
| Embodiment 4 | 24.00 | 12.55 |
| Embodiment 5 | 24.67 | 13.23 |
From experimental result as can be seen that the ageing resistance polypropylene composite that the present invention is provided has good inoxidizability
Can be with outstanding toughness.
Foregoing description only proposes as enforceable technical scheme of the invention, not as to its technical scheme single in itself
Restrictive condition.
Claims (7)
1. a kind of ageing resistance polypropylene composite, it is characterised in that：Component including following parts by weight,
300~400 parts of polypropylene, 30~40 parts of stabilizer, 10~15 parts of crosslinking agent, 20~30 parts of antioxidant, 5
~10 parts of modifying agent, 30~50 parts of toughener, 70~100 parts of methyl diphenylene diisocyanate.
2. ageing resistance polypropylene composite according to claim 1, it is characterised in that：The stabilizer is included with the following group
Part,
The calcium stearate of 10~15wt%, the phosphite ester of 20~30wt%, the glycerine of 15~18wt%, the 4- tri- of 5~7wt%
Methylaniline, the chloro- 4-HBA ethyl esters of 3,5- bis- of 10~18wt%, N- benzyloxycarbonyls third ammonia of-L- of 2~4wt%
Alcohol, balance of para orientation nitration.
3. ageing resistance polypropylene composite according to claim 1, it is characterised in that：The crosslinking agent is included with the following group
Part,
The benzaldehyde of 13~20wt%, the vinyltoluene of 5~8wt%, the methylene-bisacrylamide of 10~15wt%, 2~
The glycerin monostearate of 5wt%, 8~15wt% to cyclohexanone Ethyl formate, the 2,3- quinolinedicarboxylic acids of 10~12wt%,
4, the 4- dinitro diphenyl ethers of 4~10wt%, balance of isopropanol.
4. ageing resistance polypropylene composite according to claim 1, it is characterised in that：The antioxidant includes following
Component,
The triphenyl phosphite of 8~18wt%, the distearyl sulphur of 5~10wt% connect the sorbic acid of dipropionate, 1~2wt%
Potassium, the silicone of 3~5wt%, the 2- amyl hydrosulfides of 15~25wt%, the 4- amino-n-butyl alcohol of 10~20wt%, 4~8wt% it is right
Methoxy benzoic acid, balance of 2,3- difluoro-5-chloropyridines.
5. ageing resistance polypropylene composite according to claim 1, it is characterised in that：The modifying agent is included with the following group
Part,
The azodiisobutyronitrile of 8~15wt%, the melamine of 3~6wt%, the cyclohexanedimethanol of 10~15wt%, 10~
Methyl -2 of 15wt%, 6- cyclohexane diisocyanates, the dibutyl phthalate of 15~20wt%, the 3 of 5~12wt%,
4,5- trimethoxy phenyl isothiocyanates, balance of 4'- hydroxy benzenes heptanone.
6. ageing resistance polypropylene composite according to claim 1, it is characterised in that：The toughener is included with the following group
Part,
The GDMA of 5~10wt%, the pentaerythrite of 15~18wt%, the polyethylene of 25~30wt%
Wax, the 3- Methyl anthranilates of 3~5wt%, the chloro- 5- nitro-trifluoromethyl toluenes of 3- of 4~10wt%, the 3- hydroxyls of 10~15wt%
Base -4- methoxy benzyl alcohols, balance of 4,4'- dimethyltrianilines.
7. the preparation method of the ageing resistance polypropylene composite described in a kind of claim 1-6 any one, it is characterised in that
Comprise the following steps：
A, polypropylene, crosslinking agent and methyl diphenylene diisocyanate are heated, be then sufficiently mixed, base-material is obtained
2~3 hours are stood in mixture, room temperature；
B, base material mixture is mixed again with stabilizer, antioxidant, modifying agent, toughener, is extruded using extruder,
Ageing resistance polypropylene composite material granular is obtained.
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| CN103589073A (en) * | 2013-10-24 | 2014-02-19 | 合肥会通新材料有限公司 | UV-resistant polypropylene composite material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103589073A (en) * | 2013-10-24 | 2014-02-19 | 合肥会通新材料有限公司 | UV-resistant polypropylene composite material and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112812427A (en) * | 2020-12-31 | 2021-05-18 | 苏州度辰新材料有限公司 | Photoluminescent color-changing polyolefin master batch and preparation method thereof |
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