Embodiment
Embodiment one: the glass fibre reingorced no-halogen flame-retardant nylon dragon 66 of present embodiment is made by weight by following ingredients: Nylon 66: 40~50 parts, long glass fibres: 23~28 parts, toughner: 0~7 part, metallic ion modified polyphosphoric acid melamine salt halogen-free flame retardants: 20~26 parts, antioxidant 1010: 0.1~1 part, processing aid: 0.2~1.5 part.
Embodiment two: the glass fibre reingorced no-halogen flame-retardant nylon dragon 66 of present embodiment is made by weight by following ingredients: Nylon 66: 42~48 parts, long glass fibres: 24~27 parts, toughner: 3~5 parts, metallic ion modified polyphosphoric acid melamine salt halogen-free flame retardants: 22~25 parts, antioxidant 1010: 0.2~0.5 part, processing aid: 0.5~1.0 part.
Embodiment three: the glass fibre reingorced no-halogen flame-retardant nylon dragon 66 of present embodiment is made by weight by following ingredients: Nylon 66: 46 parts, long glass fibres: 25 parts, toughner: 4 parts, metallic ion modified polyphosphoric acid melamine salt halogen-free flame retardants: 24 parts, antioxidant 1010: 0.3 part, processing aid: 0.7 part.
Embodiment four: the long glass fibres of present embodiment is the alkali-free long glass fibres.Other is identical with embodiment one.
Embodiment five: the toughner of present embodiment is one or more the combination among maleic anhydride graft EPDM, POE, the SEBS.Other is identical with embodiment one.
Embodiment six: the metal ion of the metallic ion modified polyphosphoric acid melamine salt halogen-free flame retardants of present embodiment is aluminum ion, zine ion or cupric ion.Other is identical with embodiment one.
The metallic ion modified polyphosphoric acid melamine salt halogen-free flame retardants of present embodiment has higher heat decomposition temperature, and zine ion modified polyphosphoric acid melamine salt has the needle-like morphological structure, the thermostability and the mechanical property of raising product.
Embodiment seven: the processing aid of present embodiment is lubricant or nucleator; Lubricant is P180, S-100 or PF-56, and nucleator is P380.Other is identical with embodiment one.
Embodiment eight: glass fibre reingorced no-halogen flame-retardant nylon dragon 66 preparation methods' of present embodiment step is as follows: one, metallic ion modified polyphosphoric acid melamine salt halogen-free flame retardants particle carry out super-refinement to 0.1~10 μ m with micronizer mill; Two, the processing aid of the toughner of the antioxidant 1010 of 40~50 weight part Nylon 66s after drying is handled, 20~26 weight part metallic ion modified polyphosphoric acid melamine salt halogen-free flame retardantss after step 1 is handled, 0.1~1 weight part, 0~7 weight part and 0.2~1.5 weight part carries out high-speed stirring and mixes; Three, said mixture is sent in the twin screw extruder through the feeder that has metering, regulating the feeding rotating speed is 220~250r.p.m, make long glass fibres content be controlled at 23~28 weight parts, long glass fibres is added by the side direction charging opening of twin screw extruder, the temperature of each of twin screw extruder section extruder temperature from the charging opening to the head is respectively 220 ℃, 270 ℃, 270 ℃, 270 ℃, 270 ℃, 270 ℃, 265 ℃, screw speed is 200~240r.p.m, the length-to-diameter ratio of twin screw extruder is 35, under the conveying and shearing action of twin screw extruder, fully fusion, compound, extrude through head, tie rod, cooling, pelletizing, drying, packing at last; Promptly obtained glass fibre reingorced no-halogen flame-retardant nylon dragon 66.
The metallic ion modified polyphosphoric acid melamine salt halogen-free flame retardants of present embodiment reduces its granularity through ultrafining treatment, can increase the interface compatibility between nylon and glass fibre effectively.
Embodiment nine: present embodiment and embodiment eight are different is that metallic ion modified polyphosphoric acid melamine salt halogen-free flame retardants particle carries out ultra-finely to 0.1~10 μ m with micronizer mill in step 1, carries out interface modification through silane coupling agent again and handles.Other is identical with embodiment eight.
Embodiment ten: glass fibre reingorced no-halogen flame-retardant nylon dragon 66 preparation methods' of present embodiment step is as follows: one, zine ion modified polyphosphoric acid melamine salt halogen-free flame retardants particle carry out super-refinement to 0.1~10 μ m with micronizer mill; Two, the processing aid of the toughner of the antioxidant 1010 of 46 weight part Nylon 66s after drying is handled, 24 weight part zine ion modified polyphosphoric acid melamine salt halogen-free flame retardantss after step 1 is handled, 0.3 weight part, 4 weight parts and 0.7 weight part carries out high-speed stirring and mixes; Three, said mixture is sent in the twin screw extruder through the feeder that has metering, regulating the feeding rotating speed is 250r.p.m, make long glass fibres content be controlled at 25 weight parts, long glass fibres is added by the side direction charging opening of twin screw extruder, the temperature of each of twin screw extruder section extruder temperature from the charging opening to the head is respectively 220 ℃, 270 ℃, 270 ℃, 270 ℃, 270 ℃, 270 ℃, 265 ℃, screw speed is 240r.p.m, the length-to-diameter ratio of twin screw extruder is 35, under the conveying and shearing action of twin screw extruder, fully fusion, compound, extrude through head, tie rod, cooling, pelletizing, drying, packing at last; Promptly obtained glass fibre reingorced no-halogen flame-retardant nylon dragon 66.
Injection moulding after the glass fibre reingorced no-halogen flame-retardant nylon dragon 66 pellet dryings that present embodiment obtains is used for performance test, and the performance of gained sample is: tensile strength is 132.8MPa, and flexural strength is 196.1MPa, and the socle girder notched Izod impact strength is 8.2kJ/m
2, vertical combustion (1.6mm) FV-0.
Embodiment 11: glass fibre reingorced no-halogen flame-retardant nylon dragon 66 preparation methods' of present embodiment step is as follows: one, zine ion modified polyphosphoric acid melamine salt halogen-free flame retardants particle carry out super-refinement to 0.1~10 μ m with micronizer mill, adopt silane coupling agent to carry out surface treatment again; Two, the processing aid of the toughner of the antioxidant 1010 of 46 weight part Nylon 66s after drying is handled, 24 weight part zine ion modified polyphosphoric acid melamine salt halogen-free flame retardantss after step 1 is handled, 0.3 weight part, 4 weight parts and 0.7 weight part carries out high-speed stirring and mixes; Three, said mixture is sent in the twin screw extruder through the feeder that has metering, regulating the feeding rotating speed is 250r.p.m, make long glass fibres content be controlled at 25 weight parts, long glass fibres is added by the side direction charging opening of twin screw extruder, the temperature of each of twin screw extruder section extruder temperature from the charging opening to the head is respectively 220 ℃, 270 ℃, 270 ℃, 270 ℃, 270 ℃, 270 ℃, 265 ℃, screw speed is 240r.p.m, the length-to-diameter ratio of twin screw extruder is 35, under the conveying and shearing action of twin screw extruder, fully fusion, compound, extrude through head, tie rod, cooling, pelletizing, drying, packing at last; Promptly obtained glass fibre reingorced no-halogen flame-retardant nylon dragon 66.
Injection moulding after the glass fibre reingorced no-halogen flame-retardant nylon dragon 66 pellet dryings that present embodiment obtains is used for performance test, and the performance of gained sample is: tensile strength is 140.8MPa, and flexural strength is 191.8MPa, and the socle girder notched Izod impact strength is 8.5kJ/m
2, vertical combustion (1.6mm) FV-0.
Embodiment 12: glass fibre reingorced no-halogen flame-retardant nylon dragon 66 preparation methods' of present embodiment step is as follows: one, zine ion modified polyphosphoric acid melamine salt halogen-free flame retardants particle carry out super-refinement to 0.1~10 μ m with micronizer mill, adopt silane coupling agent to carry out surface treatment again; Two, the processing aid of the toughner of the antioxidant 1010 of 50 weight part Nylon 66s after drying is handled, 20 weight part zine ion modified polyphosphoric acid melamine salt halogen-free flame retardantss after step 1 is handled, 0.3 weight part, 4 weight parts and 0.7 weight part carries out high-speed stirring and mixes; Three, said mixture is sent in the twin screw extruder through the feeder that has metering, regulating the feeding rotating speed is 250r.p.m, make long glass fibres content be controlled at 25 weight parts, long glass fibres is added by the side direction charging opening of twin screw extruder, the temperature of each of twin screw extruder section extruder temperature from the charging opening to the head is respectively 220 ℃, 270 ℃, 270 ℃, 270 ℃, 270 ℃, 270 ℃, 265 ℃, screw speed is 240r.p.m, the length-to-diameter ratio of twin screw extruder is 35, under the conveying and shearing action of twin screw extruder, fully fusion, compound, extrude through head, tie rod, cooling, pelletizing, drying, packing at last; Promptly obtained glass fibre reingorced no-halogen flame-retardant nylon dragon 66.
Injection moulding after the glass fibre reingorced no-halogen flame-retardant nylon dragon 66 pellet dryings that present embodiment obtains is used for performance test, and the performance of gained sample is: tensile strength is 139.8MPa, and flexural strength is 190.2MPa, and the socle girder notched Izod impact strength is 7.8kJ/m
2, vertical combustion (3.2mm) FV-0.
Embodiment 13: glass fibre reingorced no-halogen flame-retardant nylon dragon 66 preparation methods' of present embodiment step is as follows: one, aluminum ion modified polyphosphoric acid melamine salt halogen-free flame retardants particle carry out super-refinement to 0.1~10 μ m with micronizer mill; Two, the processing aid of the toughner of the antioxidant 1010 of 46 weight part Nylon 66s after drying is handled, 24 weight part aluminum ion modified polyphosphoric acid melamine salt halogen-free flame retardantss after step 1 is handled, 0.3 weight part, 4 weight parts and 0.7 weight part carries out high-speed stirring and mixes; Three, said mixture is sent in the twin screw extruder through the feeder that has metering, regulating the feeding rotating speed is 250r.p.m, make long glass fibres content be controlled at 25 weight parts, long glass fibres is added by the side direction charging opening of twin screw extruder, the temperature of each of twin screw extruder section extruder temperature from the charging opening to the head is respectively 220 ℃, 270 ℃, 270 ℃, 270 ℃, 270 ℃, 270 ℃, 265 ℃, screw speed is 240r.p.m, the length-to-diameter ratio of twin screw extruder is 35, under the conveying and shearing action of twin screw extruder, fully fusion, compound, extrude through head, tie rod, cooling, pelletizing, drying, packing at last; Promptly obtained glass fibre reingorced no-halogen flame-retardant nylon dragon 66.
Injection moulding after the glass fibre reingorced no-halogen flame-retardant nylon dragon 66 pellet dryings that present embodiment obtains is used for performance test, and the performance of gained sample is: tensile strength is 127.5MPa, and flexural strength is 175.4MPa, and the socle girder notched Izod impact strength is 7.8kJ/m
2, vertical combustion (3.2mm) FV-0.
Simultaneous test: the glass fibre reingorced no-halogen flame-retardant nylon dragon 66 dry back injection mouldings that the processing aid of the antioxidant 1010 of the unmodified polyphosphoric acid melamine salt halogen-free flame retardants (MPP) of the toughner of the long glass fibres of the Nylon 66 of 46 weight parts, 25 weight parts, 4 weight parts, 24 weight parts, 0.3 weight part and 0.7 weight part is obtained with the method for embodiment 11, be used for performance test, the performance of gained sample is: tensile strength is 125.5MPa, flexural strength is 172.4MPa, and the socle girder notched Izod impact strength is 6.2kJ/m
2, vertical combustion (3.2mm) FV-0.
Glass fibre reingorced no-halogen flame-retardant nylon dragon 66 performances that the method for embodiment ten obtains are better than the glass fibre reingorced no-halogen flame-retardant nylon dragon 66 that simultaneous test obtains.