CN101875778B - Super-toughened nylon alloy and preparation process thereof - Google Patents
Super-toughened nylon alloy and preparation process thereof Download PDFInfo
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- CN101875778B CN101875778B CN200910050164.4A CN200910050164A CN101875778B CN 101875778 B CN101875778 B CN 101875778B CN 200910050164 A CN200910050164 A CN 200910050164A CN 101875778 B CN101875778 B CN 101875778B
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Abstract
The invention discloses a formula of a super-toughened nylon alloy and a preparation process thereof. The product of the invention consists of 20%-90% of polyamide resin and 10%-80% of composite toughening agent, wherein the composite toughening agent is composed of 5%-75% of toughening agent A, 5%-45% of toughening agent B and 20%-50% of toughening agent C, wherein the toughening agent A is bipolymer or terpolymer formed by vinyl monomers, acrylate monomers and acrylic glyceride monomers or a mixture of the bipolymer and the terpolymer, the toughening agent B is an olefin polymer, and the toughening agent C is a mixture of one or more of polymers with styrene groups, polymers with butadiene groups and polymers with hydrogenated butadiene groups. Compared with the prior art, the product of the invention has excellent super-extensibility, high notch impact strength and low temperature toughness and can be suitable for material performance requirements in the fields of internal and external ornaments and bumpers of automobiles.
Description
Technical field
The present invention relates to a kind of nylon alloy and preparation technology thereof, specifically, relates to a kind of super-tough nylon alloy with high ductibility, high notched Izod impact strength and low-temperature flexibility and preparation technology thereof for inner and outer decorative parts of automobile and collision bumper field.
Background technology
Nylon (polymeric amide) is as the wider a kind of engineering plastics of application, and it is pliable and tough, wear-resisting, physical strength is high.Simultaneously, polymeric amide (PA) belongs to crystalline high polymer, in the time being subject to tensile stress, there will be sharp-pointed yield-point, and the increase stress along with strain after yield-point rises gradually, therefore the nylon of non-modified can not be used for inner and outer decorative parts of automobile and collision bumper field, need to carry out modification to its ductility, notched Izod impact strength and low-temperature flexibility.
Existing Nylon In Toughening By Blending method mainly contains following several: 1) by with other lactan or its amino acid copolymerization; 2) come toughness reinforcing with the component such as rubber or elastomerics; 3) come toughness reinforcing with core-shell polymer; 4) toughness reinforcing with the rubber (EPDM-MAI-I etc.) containing reactive group; 5) make expanding material with MALEIC ANHYDRIDE grafted ethene-acetate ethylene copolymer and poly mixture, do toughner with high density polyethylene(HDPE) and carry out modification; 6) directly prepare tenacity increased nylon with graft copolymer and the nylon blending of divinyl rubber and methyl methacrylate; 7) simultaneously toughness reinforcing with MALEIC ANHYDRIDE grafting terpolymer EP rubber and styrene maleic anhydride copolymer.Although aforesaid method is the toughness of improved system to a certain extent, but all there is a general character difficult problem: the consistency between matrix and toughner is poor, be separated serious, poor ductility, the notched Izod impact strength of the nylon alloy after toughness reinforcing are low, and have the defect of complicated process of preparation, unstable product quality.
Summary of the invention
The object of the invention is to aim to provide a kind of super-tough nylon alloy with high ductibility, high notched Izod impact strength and low-temperature flexibility and preparation technology thereof who can be applicable to inner and outer decorative parts of automobile and collision bumper field, to overcome the existing above-mentioned defect of prior art.
For achieving the above object, the technical solution used in the present invention is as follows:
Super-tough nylon alloy of the present invention, the weight percent of its composition and each composition is as follows:
Polyamide resin 20%～90%
Composite toughing agent 10%～80%
The proportioning sum of above-mentioned two compositions is 100%;
Wherein, the weight percent of the composition of composite toughing agent and each composition is as follows:
Toughner A 5%～75%
Toughner B 5%～45%
Toughening agent C 20%～50%
The proportioning sum of above-mentioned three compositions is 100%;
The mixture that the binary that described toughner A is formed by vinyl monomer and acrylic ester monomer, vinylformic acid glyceride type monomer or terpolymer or copolymer and terpolymer form; Be preferably the multipolymer of 50% weight percent containing vinyl monomer.
Described toughner B is olefin polymer;
The mixture of one or more compositions in the polymkeric substance of the butadiene that described toughening agent C is polymkeric substance, the polymkeric substance with butadiene with styrene group, have hydrogenation.
The mixture of one or more compositions in the preferred methyl acrylate of described acrylic ester monomer, butyl acrylate, ethyl propenoate, methyl methacrylate; The mixture of the preferred glycidyl acrylate of described vinylformic acid glyceride type monomer or glycidyl methacrylate or both compositions.
The mixture of one or more compositions in the preferred high density polyethylene(HDPE) of described olefin polymer, Low Density Polyethylene, polypropylene, polybutene.
The mixture of one or more compositions in described polymkeric substance optimization styrene-butadiene-styrene triblock copolymer with styrene group, styrene-butadiene-styrene-butadiene-styrene five segmented copolymers, styrene-butadiene-styrene-B-S-B-vinylbenzene hepta-block copolymer; The mixture of one or more compositions in the described preferred cis-1,4-polybutadiene rubber of polymkeric substance with butadiene, paracril, ethylene-propylene rubber(EPR); The mixture of the ethylene-butadiene-styrene multipolymer of the preferred hydrogenation of polymkeric substance of the described butadiene with hydrogenation or the SBS of hydrogenation or both compositions.
The preparation technology of super-tough nylon alloy of the present invention, its concrete steps are as follows:
A) first toughner A is added in Banbury mixer and fully mixed, 180～260 ℃ of banburyings 10～15 minutes; Then add toughner B, continue banburying 5～10 minutes; Add again toughening agent C, continue banburying 10～15 minutes; Discharging, be cooled to room temperature, pulverize and obtain composite toughing agent;
B) polyamide resin and composite toughing agent are carried out to high-speed stirring mixing, then sent in twin screw extruder by the feeder of delicate metering, plastify, melting, compound, finally by extruding, tie rod, cooling, pelletizing, oven dry.
Compared with prior art, the tension set of product of the present invention can reach 200%, tensile strength>=35MPa, modulus in flexure>=1500MPa, normal temperature notched Izod impact strength>=80KJ/m
2, notched Izod impact strength>=50KJ/m-20 ℃ time
2, 150 ℃ of anneal after 120 hours its mechanical property almost constant.Because super-tough nylon alloy of the present invention has excellent super ductibility, high notched Izod impact strength and low-temperature flexibility, in the time being subject to foreign impacts, can absorb large energy, so that can not produce sharp-pointed fragment while destroying, therefore applicable to the material performance requirement in inner and outer decorative parts of automobile and collision bumper field.
Embodiment
Be making further detailed, clear and complete description of how realizing below in conjunction with specific embodiment to the present invention, listed embodiment is only further described the present invention, not thereby limiting the invention.
The sample of preparation is carried out to performance test according to iso standard: tensile property is according to ISO 527-2 test, and bending property is tested according to ISO 178, and notch shock performance is tested according to ISO 180/1A.
Embodiment 1
The super-tough nylon alloy of the present embodiment, is made up of 20 weight parts of polyamide resins and 80 weight part composite toughing agents; Wherein: described composite toughing agent is made up of 5 weight part toughner A, 45 weight part toughner B and 50 weight part toughening agent C; Described toughner A is the copolymer being formed by vinyl monomer and methacrylate monomer, in copolymer, is 50% weight percent containing vinyl monomer; Described toughner B is high density polyethylene(HDPE); Described toughening agent C is SBS.
The preparation technology of described super-tough nylon alloy, its concrete steps are as follows:
A) first toughner A is added in Banbury mixer and fully mixed, 180 ℃ of banburyings 15 minutes; Then add toughner B, continue banburying 10 minutes; Add again toughening agent C, continue banburying 15 minutes; Discharging, be cooled to room temperature, pulverize and obtain composite toughing agent;
B) polyamide resin and composite toughing agent are carried out to high-speed stirring mixing, then sent in twin screw extruder by the feeder of delicate metering, plastify, melting, compound, finally by extruding, tie rod, cooling, pelletizing, oven dry, sample preparation, test.
The performance test results is: tension set reaches 200%, tensile strength>=35MPa, modulus in flexure>=1500MPa, normal temperature notched Izod impact strength>=80KJ/m
2, notched Izod impact strength>=50KJ/m-20 ℃ time
2, 150 ℃ of anneal after 120 hours its mechanical property almost constant.
Embodiment 2
The super-tough nylon alloy of the present embodiment, is made up of 90 weight parts of polyamide resins and 10 weight part composite toughing agents; Wherein: described composite toughing agent is made up of 75 weight part toughner A, 5 weight part toughner B and 20 weight part toughening agent C; Described toughner A is the copolymer being formed by vinyl monomer and glycidyl acrylate monomer, in copolymer, is 50% weight percent containing vinyl monomer; Described toughner B is Low Density Polyethylene; Described toughening agent C is cis-1,4-polybutadiene rubber.
The preparation technology of described super-tough nylon alloy, its concrete steps are as follows:
A) first toughner A is added in Banbury mixer and fully mixed, 260 ℃ of banburyings 10 minutes; Then add toughner B, continue banburying 5 minutes; Add again toughening agent C, continue banburying 10 minutes; Discharging, be cooled to room temperature, pulverize and obtain composite toughing agent;
B) polyamide resin and composite toughing agent are carried out to high-speed stirring mixing, then sent in twin screw extruder by the feeder of delicate metering, plastify, melting, compound, finally by extruding, tie rod, cooling, pelletizing, oven dry, sample preparation, test.
The performance test results is: tension set reaches 200%, tensile strength>=35MPa, modulus in flexure>=1500MPa, normal temperature notched Izod impact strength>=80KJ/m
2, notched Izod impact strength>=50KJ/m-20 ℃ time
2, 150 ℃ of anneal after 120 hours its mechanical property almost constant.
Embodiment 3
The super-tough nylon alloy of the present embodiment, is made up of 90 weight parts of polyamide resins and 10 weight part composite toughing agents; Wherein: described composite toughing agent is made up of 75 weight part toughner A, 5 weight part toughner B and 20 weight part toughening agent C; Described toughner A is the copolymer being formed by vinyl monomer and Butyl Acrylate Monomer, in copolymer, is 50% weight percent containing vinyl monomer; Described toughner B is Low Density Polyethylene; Described toughening agent C is styrene-butadiene-styrene-butadiene-styrene five segmented copolymers.
The preparation technology of described super-tough nylon alloy, its concrete steps are as follows:
A) first toughner A is added in Banbury mixer and fully mixed, 260 ℃ of banburyings 10 minutes; Then add toughner B, continue banburying 5 minutes; Add again toughening agent C, continue banburying 10 minutes; Discharging, be cooled to room temperature, pulverize and obtain composite toughing agent;
B) polyamide resin and composite toughing agent are carried out to high-speed stirring mixing, then sent in twin screw extruder by the feeder of delicate metering, plastify, melting, compound, finally by extruding, tie rod, cooling, pelletizing, oven dry, sample preparation, test.
The performance test results is: tension set reaches 200%, tensile strength>=35MPa, modulus in flexure>=1500MPa, normal temperature notched Izod impact strength>=80KJ/m
2, notched Izod impact strength>=50KJ/m-20 ℃ time
2, 150 ℃ of anneal after 120 hours its mechanical property almost constant.
Embodiment 4
The super-tough nylon alloy of the present embodiment, is made up of 90 weight parts of polyamide resins and 10 weight part composite toughing agents; Wherein: described composite toughing agent is made up of 75 weight part toughner A, 5 weight part toughner B and 20 weight part toughening agent C; Described toughner A is the copolymer being formed by vinyl monomer and ethyl propenoate monomer, in copolymer, is 50% weight percent containing vinyl monomer; Described toughner B is polypropylene; Described toughening agent C is styrene-butadiene-styrene-B-S-B-vinylbenzene hepta-block copolymer.
The preparation technology of described super-tough nylon alloy, its concrete steps are as follows:
A) first toughner A is added in Banbury mixer and fully mixed, 260 ℃ of banburyings 10 minutes; Then add toughner B, continue banburying 5 minutes; Add again toughening agent C, continue banburying 10 minutes; Discharging, be cooled to room temperature, pulverize and obtain composite toughing agent;
B) polyamide resin and composite toughing agent are carried out to high-speed stirring mixing, then sent in twin screw extruder by the feeder of delicate metering, plastify, melting, compound, finally by extruding, tie rod, cooling, pelletizing, oven dry, sample preparation, test.
The performance test results is: tension set reaches 200%, tensile strength>=35MPa, modulus in flexure>=1500MPa, normal temperature notched Izod impact strength>=80KJ/m
2, notched Izod impact strength>=50KJ/m-20 ℃ time
2, 150 ℃ of anneal after 120 hours its mechanical property almost constant.
Embodiment 5
The super-tough nylon alloy of the present embodiment, is made up of 90 weight parts of polyamide resins and 10 weight part composite toughing agents; Wherein: described composite toughing agent is made up of 75 weight part toughner A, 5 weight part toughner B and 20 weight part toughening agent C; Described toughner A is the copolymer being formed by vinyl monomer and methyl methacrylate monomer, in copolymer, is 50% weight percent containing vinyl monomer; Described toughner B is polybutene; Described toughening agent C is paracril.
The preparation technology of described super-tough nylon alloy, its concrete steps are as follows:
A) first toughner A is added in Banbury mixer and fully mixed, 260 ℃ of banburyings 10 minutes; Then add toughner B, continue banburying 5 minutes; Add again toughening agent C, continue banburying 10 minutes; Discharging, be cooled to room temperature, pulverize and obtain composite toughing agent;
B) polyamide resin and composite toughing agent are carried out to high-speed stirring mixing, then sent in twin screw extruder by the feeder of delicate metering, plastify, melting, compound, finally by extruding, tie rod, cooling, pelletizing, oven dry, sample preparation, test.
The performance test results is: tension set reaches 200%, tensile strength>=35MPa, modulus in flexure>=1500MPa, normal temperature notched Izod impact strength>=80KJ/m
2, notched Izod impact strength>=50KJ/m-20 ℃ time
2, 150 ℃ of anneal after 120 hours its mechanical property almost constant.
Embodiment 6
The super-tough nylon alloy of the present embodiment, is made up of 90 weight parts of polyamide resins and 10 weight part composite toughing agents; Wherein: described composite toughing agent is made up of 75 weight part toughner A, 5 weight part toughner B and 20 weight part toughening agent C; Described toughner A is the copolymer being formed by vinyl monomer and glycidyl methacrylate monomer, in copolymer, is 50% weight percent containing vinyl monomer; The mixture that described toughner B is made up of the polypropylene of 50% weight percent and the polybutene of 50% weight percent; Described toughening agent C is ethylene-propylene rubber(EPR).
The preparation technology of described super-tough nylon alloy, its concrete steps are as follows:
A) first toughner A is added in Banbury mixer and fully mixed, 260 ℃ of banburyings 10 minutes; Then add toughner B, continue banburying 5 minutes; Add again toughening agent C, continue banburying 10 minutes; Discharging, be cooled to room temperature, pulverize and obtain composite toughing agent;
B) polyamide resin and composite toughing agent are carried out to high-speed stirring mixing, then sent in twin screw extruder by the feeder of delicate metering, plastify, melting, compound, finally by extruding, tie rod, cooling, pelletizing, oven dry, sample preparation, test.
The performance test results is: tension set reaches 200%, tensile strength>=35MPa, modulus in flexure>=1500MPa, normal temperature notched Izod impact strength>=80KJ/m
2, notched Izod impact strength>=50KJ/m-20 ℃ time
2, 150 ℃ of anneal after 120 hours its mechanical property almost constant.
Embodiment 7
The super-tough nylon alloy of the present embodiment, is made up of 90 weight parts of polyamide resins and 10 weight part composite toughing agents; Wherein: described composite toughing agent is made up of 75 weight part toughner A, 5 weight part toughner B and 20 weight part toughening agent C; Described toughner A is the terpolymer being formed by vinyl monomer and methacrylate monomer and Butyl Acrylate Monomer, in terpolymer, is that 50% weight percent, methacrylate monomer are that 25% weight percent, Butyl Acrylate Monomer are 25% weight percent containing vinyl monomer; The mixture that described toughner B is made up of the polypropylene of 50% weight percent and the high density polyethylene(HDPE) of 50% weight percent; Described toughening agent C is the ethylene-butadiene-styrene multipolymer of hydrogenation.
The preparation technology of described super-tough nylon alloy, its concrete steps are as follows:
A) first toughner A is added in Banbury mixer and fully mixed, 260 ℃ of banburyings 10 minutes; Then add toughner B, continue banburying 5 minutes; Add again toughening agent C, continue banburying 10 minutes; Discharging, be cooled to room temperature, pulverize and obtain composite toughing agent;
B) polyamide resin and composite toughing agent are carried out to high-speed stirring mixing, then sent in twin screw extruder by the feeder of delicate metering, plastify, melting, compound, finally by extruding, tie rod, cooling, pelletizing, oven dry, sample preparation, test.
The performance test results is: tension set reaches 200%, tensile strength>=35MPa, modulus in flexure>=1500MPa, normal temperature notched Izod impact strength>=80KJ/m
2, notched Izod impact strength>=50KJ/m-20 ℃ time
2, 150 ℃ of anneal after 120 hours its mechanical property almost constant.
Embodiment 8
The super-tough nylon alloy of the present embodiment, is made up of 90 weight parts of polyamide resins and 10 weight part composite toughing agents; Wherein: described composite toughing agent is made up of 75 weight part toughner A, 5 weight part toughner B and 20 weight part toughening agent C; The mixture that described toughner A is made up of the copolymer of 50% weight percent and the terpolymer of 50% weight percent, in described copolymer, being that 50% weight percent, methyl methacrylate monomer are 50% weight percent containing vinyl monomer, is that 50% weight percent, methacrylate monomer are that 25% weight percent, glycidyl acrylate monomer are 25% weight percent containing vinyl monomer in described terpolymer; The mixture that described toughner B is made up of the polypropylene of 50% weight percent and the Low Density Polyethylene of 50% weight percent; Described toughening agent C is the SBS of hydrogenation.
The preparation technology of described super-tough nylon alloy, its concrete steps are as follows:
A) first toughner A is added in Banbury mixer and fully mixed, 260 ℃ of banburyings 10 minutes; Then add toughner B, continue banburying 5 minutes; Add again toughening agent C, continue banburying 10 minutes; Discharging, be cooled to room temperature, pulverize and obtain composite toughing agent;
B) polyamide resin and composite toughing agent are carried out to high-speed stirring mixing, then sent in twin screw extruder by the feeder of delicate metering, plastify, melting, compound, finally by extruding, tie rod, cooling, pelletizing, oven dry, sample preparation, test.
The performance test results is: tension set reaches 200%, tensile strength>=35MPa, modulus in flexure>=1500MPa, normal temperature notched Izod impact strength>=80KJ/m
2, notched Izod impact strength>=50KJ/m-20 ℃ time
2, 150 ℃ of anneal after 120 hours its mechanical property almost constant.
Embodiment 9
The super-tough nylon alloy of the present embodiment, is made up of 70 weight parts of polyamide resins and 30 weight part composite toughing agents; Wherein: described composite toughing agent is made up of 40 weight part toughner A, 30 weight part toughner B and 30 weight part toughening agent C; The mixture that described toughner A is made up of the copolymer of 50% weight percent and the terpolymer of 50% weight percent, in described copolymer, being that 50% weight percent, Butyl Acrylate Monomer are 50% weight percent containing vinyl monomer, is that 50% weight percent, ethyl propenoate monomer are that 25% weight percent, methyl methacrylate monomer are 25% weight percent containing vinyl monomer in described terpolymer; Described toughner B is Low Density Polyethylene; The mixture that described toughening agent C is made up of the ethylene-butadiene-styrene multipolymer of styrene-butadiene-styrene-butadiene-styrene five segmented copolymers, the paracril of 25% weight percent and the hydrogenation of 25% weight percent of styrene-butadiene-styrene-B-S-B-vinylbenzene hepta-block copolymer of 25% weight percent, 25% weight percent.
The preparation technology of described super-tough nylon alloy, its concrete steps are as follows:
A) first toughner A is added in Banbury mixer and fully mixed, 200 ℃ of banburyings 12 minutes; Then add toughner B, continue banburying 8 minutes; Add again toughening agent C, continue banburying 12 minutes; Discharging, be cooled to room temperature, pulverize and obtain composite toughing agent;
B) polyamide resin and composite toughing agent are carried out to high-speed stirring mixing, then sent in twin screw extruder by the feeder of delicate metering, plastify, melting, compound, finally by extruding, tie rod, cooling, pelletizing, oven dry, sample preparation, test.
The performance test results is: tension set reaches 200%, tensile strength>=35MPa, modulus in flexure>=1500MPa, normal temperature notched Izod impact strength>=80KJ/m
2, notched Izod impact strength>=50KJ/m-20 ℃ time
2, 150 ℃ of anneal after 120 hours its mechanical property almost constant.
Embodiment 10
The super-tough nylon alloy of the present embodiment, is made up of 50 weight parts of polyamide resins and 50 weight part composite toughing agents; Wherein: described composite toughing agent is made up of 40 weight part toughner A, 30 weight part toughner B and 30 weight part toughening agent C; Described toughner A is the copolymer being formed by vinyl monomer and Butyl Acrylate Monomer, in copolymer, is 50% weight percent containing vinyl monomer; Described toughner B is Low Density Polyethylene; The mixture that described toughening agent C is made up of the SBS of the hydrogenation of the ethylene-propylene rubber(EPR) of styrene-butadiene-styrene-B-S-B-vinylbenzene hepta-block copolymer of 50% weight percent, 25% weight percent, 25% weight percent.
The preparation technology of described super-tough nylon alloy, its concrete steps are as follows:
A) first toughner A is added in Banbury mixer and fully mixed, 200 ℃ of banburyings 12 minutes; Then add toughner B, continue banburying 8 minutes; Add again toughening agent C, continue banburying 12 minutes; Discharging, be cooled to room temperature, pulverize and obtain composite toughing agent;
B) polyamide resin and composite toughing agent are carried out to high-speed stirring mixing, then sent in twin screw extruder by the feeder of delicate metering, plastify, melting, compound, finally by extruding, tie rod, cooling, pelletizing, oven dry, sample preparation, test.
The performance test results is: tension set reaches 200%, tensile strength>=35MPa, modulus in flexure>=1500MPa, normal temperature notched Izod impact strength>=80KJ/m
2, notched Izod impact strength>=50KJ/m-20 ℃ time
2, 150 ℃ of anneal after 120 hours its mechanical property almost constant.
Claims (7)
1. a super-tough nylon alloy, is characterized in that, the weight percent of its composition and each composition is as follows:
Polyamide resin 20%～90%
Composite toughing agent 10%～80%
The proportioning sum of above-mentioned two compositions is 100%;
Wherein, the weight percent of the composition of composite toughing agent and each composition is as follows:
Toughner A5%～75%
Toughner B5%～45%
Toughening agent C 20%～50%
The proportioning sum of above-mentioned three compositions is 100%;
The mixture that the binary that described toughner A is formed by vinyl monomer and acrylic ester monomer, vinylformic acid glyceride type monomer or terpolymer or copolymer and terpolymer form;
Described toughner B is olefin polymer;
The mixture of one or more compositions in the polymkeric substance of the butadiene that described toughening agent C is the polymkeric substance with styrene group, have hydrogenation; The described polymkeric substance with styrene group is the mixture of one or more compositions in SBS, styrene-butadiene-styrene-butadiene-styrene five segmented copolymers, styrene-butadiene-styrene-B-S-B-vinylbenzene hepta-block copolymer.
2. according to the super-tough nylon alloy described in claim l, it is characterized in that, described toughner A is to be the multipolymer of 50% weight percent containing vinyl monomer.
3. according to the super-tough nylon alloy described in claim l, it is characterized in that, described acrylic ester monomer is the mixture of one or more compositions in methyl acrylate, butyl acrylate, ethyl propenoate, methyl methacrylate.
4. according to the super-tough nylon alloy described in claim l, it is characterized in that, described vinylformic acid glyceride type monomer is the mixture of glycidyl acrylate or glycidyl methacrylate or both compositions.
5. according to the super-tough nylon alloy described in claim l, it is characterized in that, described olefin polymer is the mixture of one or more compositions in high density polyethylene(HDPE), Low Density Polyethylene, polypropylene, polybutene.
6. according to the super-tough nylon alloy described in claim l, it is characterized in that, described in there is the butadiene of hydrogenation polymkeric substance be the mixture of the ethylene-butadiene-styrene multipolymer of hydrogenation or the SBS of hydrogenation or both compositions.
7. a preparation technology for the super-tough nylon alloy described in claim l, is characterized in that, its concrete steps are as follows:
A) first toughner A is added in Banbury mixer and fully mixed, 180～260 ℃ of banburyings 10～15 minutes; Then add toughner B, continue banburying 5～10 minutes; Add again toughening agent C, continue banburying 10～15 minutes; Discharging, be cooled to room temperature, pulverize and obtain composite toughing agent;
B) polyamide resin and composite toughing agent are carried out to high-speed stirring mixing, then sent in twin screw extruder by the feeder of delicate metering, plastify, melting, compound, finally by extruding, tie rod, cooling, pelletizing, oven dry.
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| CN109575436A (en) * | 2018-10-15 | 2019-04-05 | 吉林师范大学 | A kind of antibacterial flame-retardant PP composite material |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1355826A (en) * | 1999-06-11 | 2002-06-26 | 陶氏化学公司 | Compositions comprising hydrogenated block copolymers and end-use application thereof |
| CN101121818A (en) * | 2006-08-09 | 2008-02-13 | 上海金发科技发展有限公司 | High-performance hydrolysis-resistance reinforced nylon 6 and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1355826A (en) * | 1999-06-11 | 2002-06-26 | 陶氏化学公司 | Compositions comprising hydrogenated block copolymers and end-use application thereof |
| CN101121818A (en) * | 2006-08-09 | 2008-02-13 | 上海金发科技发展有限公司 | High-performance hydrolysis-resistance reinforced nylon 6 and preparation method thereof |
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