CN105542434A - PU/EVA composite plastic material and preparation method thereof - Google Patents
PU/EVA composite plastic material and preparation method thereof Download PDFInfo
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08L2201/02—Flame or fire retardant/resistant
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Abstract
The invention discloses a PU/EVA composite plastic material. The PU/EVA composite plastic material comprises the following components in parts by weight: 62 to 80 parts of polyurethane, 35 to 60 parts of ethylene-vinyl acetate copolymer, 17 to 30 parts of PETG resin, 2 to 8 parts of gamma-amino propyl trimethoxy silane, 7 to 16 parts of phosphine butane tricarboxylic acid, 6 to 12 parts of dioctyl sebacate, 9 to 18 parts of a filler, 2 to 6 parts of a compatilizer, 4 to 8 parts of modified boron fibers, 1 to 4 parts of a flame retardant, 0.5 to 2 parts of an antioxidant 1076, and 0.5 to 2 parts of an anti-oxidant. The invention further discloses a preparation method for the PU/EVA composite plastic material. According to the PU/EVA composite plastic material prepared by the preparation method, the tear strength is greater than 516 N/m, the tensile strength is higher than 18.3 MPa and the elongation is greater than 201 percent; the PU/EVA composite plastic material has certain application strength, high impact resistance and toughness.
Description
Technical field
The present invention relates to technical field of polymer materials, be specifically related to a kind of PU/EVA complex plastic material and preparation method thereof.
Background technology
Plastic cement be with natural or synthetic resins for main component, add various additive, shaped under certain temperature and pressure, and at room temperature keep the material of shape invariance.Plastic cement has excellent electrical insulating property, and the advantages such as good heat conductance and chemical stability, are widely used in the every field in daily life, along with the application of plastic cement rises, more and more higher to the performance requriements of plastic material.
Urethane (PU) full name is polyurethane(s), is the general designation of the macromolecular cpd containing repetition carbamate groups on main chain.It is simple that urethane has preparation technology, good wear resistance and the excellent properties of resistance to wet goods.Polyurethane plastic is one of the most common plastic material, however polyurethane plastic also exist easily tear, easy firing, the performance such as ageing resistance, elasticity also needs to be strengthened further.Ethylene-vinyl acetate copolymer (EVA) has the performances such as good shock-resistance, snappiness, resistance to low temperature, environmental stress crack resistance, is widely used in the fields such as electric wire, tubing, sheet material, toy, electric fittings.In order to obtain the better plastic material of over-all properties, provide a kind of urethane/ethylene-vinyl acetate copolymer complex plastic material.
Summary of the invention
Technical problem to be solved by this invention overcomes the deficiencies in the prior art, provides a kind of PU/EVA complex plastic material and preparation method thereof, at least one solved the problems of the technologies described above.
In order to solve the problems of the technologies described above, a kind of technical scheme that the present invention takes is to provide a kind of PU/EVA complex plastic material, comprises following component, counts by weight:
Urethane 62 ~ 80 parts,
Ethylene-vinyl acetate copolymer 35 ~ 60 parts,
PETG resin 17 ~ 30 parts,
γ-aminopropyltrimethoxysilane 2 ~ 8 parts,
Phosphine butane tricarboxylic acid 7 ~ 16 parts,
The different monooctyl ester of sebacic acid 6 ~ 12 parts,
Filler 9 ~ 18 parts,
Compatilizer 2 ~ 6 parts,
Modification boron fibre 4 ~ 8 parts,
Fire retardant 1 ~ 4 part,
Antioxidant 1076 0.5 ~ 2 part,
Antioxidant 300 0.5 ~ 2 part;
The compound of the wilkinite of described filler to be mass ratio be 2.5:4:1:1.6:3:1, calcium molybdate, flyash, mullite powder, nano oxidized zirconium powder, fibrous wollastonite powder;
The compound of the chlorinatedpolyolefins of described compatilizer to be mass ratio be 1.8:3:2.5:1, maleic anhydride inoculated polypropylene, methylethyl ketone peroxide, dioctyl phthalate (DOP);
The compound of the polydimethylsiloxane of described fire retardant to be mass ratio be 2:3:1, nano-sized magnesium hydroxide and polyphenylene phosphonic acids sulfobenzide ester.
Preferably, described a kind of PU/EVA complex plastic material, comprises following component, counts by weight:
Urethane 73 parts,
Ethylene-vinyl acetate copolymer 42 parts,
PETG resin 19 parts,
γ-aminopropyltrimethoxysilane 3 parts,
Phosphine butane tricarboxylic acid 11 parts,
The different monooctyl ester of sebacic acid 9 parts,
Filler 13 parts,
Compatilizer 4 parts,
Modification boron fibre 5 parts,
Fire retardant 2 parts,
Antioxidant 1076 0.7 part,
Antioxidant 300 1 part.
Preferably, also comprise 0.2 ~ 3 part of pigment, the mixture of described pigment to be mass ratio be 2 ~ 5:1 red iron oxide and Rutile type Titanium Dioxide.
Preferably, the concrete steps of described modification boron fibre are: by length be the boron fibre of 0.5 ~ 2um at 65 DEG C, mass concentration is ultrasonic mechanical stir process 3 hours in the solution chlorate of 95%, namely obtains modification boron fibre after filtration washing after lyophilize.
The preparation method that another technical scheme that the present invention takes is to provide a kind of PU/EVA complex plastic material comprises the following steps:
(1) urethane, ethylene-vinyl acetate copolymer, PETG resin, phosphine butane tricarboxylic acid and filler are placed in respectively baking oven dry 5 ~ 8h at 70 ~ 100 DEG C, for subsequent use;
(2) dried material in step (1) is taken according to quality proportioning, then join in high-speed mixer, barrel temperature is kept to be 70 ~ 140 DEG C, under the rotating speed of 1800 ~ 3000rpm, first time stirs 15 ~ 30min, then the different monooctyl ester of sebacic acid, γ-aminopropyltrimethoxysilane and compatilizer is added successively, after second time stirs 30 ~ 60min under the rotating speed of 3500 ~ 5000rpm, be cooled to room temperature;
(3) take modification boron fibre, antioxidant 1076, antioxidant 300 and fire retardant according to weight proportion and join in step (2), mix and blend 10 ~ 30min, discharging;
(4) to be joined by material in step (3) in twin screw extruder through melt extruding at 200 ~ 270 DEG C, granulation, namely obtains PU/EVA complex plastic material after drying.
Preferably, in described step step (1), drying temperature is 85 DEG C, and time of drying is 6h.
Preferably, the barrel temperature in described step (2) is 110 DEG C, described first time mixing speed and the time be respectively 2300rpm, 20min, described second time mixing speed and time are respectively 4200rpm, 45min.
Preferably, the mix and blend time in described step (3) is 20min.
Preferably, the expressing technique condition in described step (4) in twin screw extruder is: district's temperature 200 DEG C, two district's temperature 220 DEG C, three district's temperature 240 DEG C, four district's temperature 270 DEG C, five district's temperature 230 DEG C, barrel residence time 5min, screw speed 80rpm.
Owing to have employed above technical scheme, the invention has the beneficial effects as follows:
PU/EVA complex plastic material prepared by the present invention, its tear-resistant intensity is greater than 516N/m, and tensile strength is higher than 18.3MPa, and elongation is greater than 201%, has certain using strength, good shock-resistance and toughness.Meanwhile, test result also shows PETG resin in the present invention, phosphine butane tricarboxylic acid and the every mechanical property of modification boron fibre component to complex plastic material and plays an important role.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
Embodiment 1
A kind of PU/EVA complex plastic of the present embodiment material, comprises following component, counts by weight:
Urethane 62 parts,
Ethylene-vinyl acetate copolymer 35 parts,
PETG resin 17 parts,
γ-aminopropyltrimethoxysilane 2 parts,
Phosphine butane tricarboxylic acid 7 parts,
The different monooctyl ester of sebacic acid 6 parts,
Filler 9 parts,
Compatilizer 2 parts,
Modification boron fibre 4 parts,
Fire retardant 1 part,
Antioxidant 1076 0.5 part,
Antioxidant 300 0.5 part;
The compound of the wilkinite of described filler to be mass ratio be 2.5:4:1:1.6:3:1, calcium molybdate, flyash, mullite powder, nano oxidized zirconium powder, fibrous wollastonite powder;
The compound of the chlorinatedpolyolefins of described compatilizer to be mass ratio be 1.8:3:2.5:1, maleic anhydride inoculated polypropylene, methylethyl ketone peroxide, dioctyl phthalate (DOP);
The compound of the polydimethylsiloxane of described fire retardant to be mass ratio be 2:3:1, nano-sized magnesium hydroxide and polyphenylene phosphonic acids sulfobenzide ester.
Wherein, the concrete steps of described modification boron fibre are: by length be the boron fibre of 0.5 ~ 2um at 65 DEG C, mass concentration is ultrasonic mechanical stir process 3 hours in the solution chlorate of 95%, namely obtains modification boron fibre after filtration washing after lyophilize.
The preparation method of a kind of PU/EVA complex plastic material of the present embodiment comprises the following steps:
(1) urethane, ethylene-vinyl acetate copolymer, PETG resin, phosphine butane tricarboxylic acid and filler are placed in baking oven dry 5h at 70 DEG C respectively, for subsequent use;
(2) dried material in step (1) is taken according to quality proportioning, then join in high-speed mixer, barrel temperature is kept to be 70 DEG C, under the rotating speed of 1800rpm, first time stirs 15min, then the different monooctyl ester of sebacic acid, γ-aminopropyltrimethoxysilane and compatilizer is added successively, after second time stirs 30min under the rotating speed of 3500rpm, be cooled to room temperature;
(3) take modification boron fibre, antioxidant 1076, antioxidant 300 and fire retardant according to weight proportion and join in step (2), mix and blend 10min, discharging;
(4) join through melt extruding in twin screw extruder by material in step (3), granulation, namely obtains PU/EVA complex plastic material after drying; Wherein, the expressing technique condition in twin screw extruder is: district's temperature 200 DEG C, two district's temperature 220 DEG C, three district's temperature 240 DEG C, four district's temperature 270 DEG C, five district's temperature 230 DEG C, barrel residence time 5min, screw speed 80rpm.
Embodiment 2
A kind of PU/EVA complex plastic of the present embodiment material, comprises following component, counts by weight:
Urethane 80 parts,
Ethylene-vinyl acetate copolymer 60 parts,
PETG resin 30 parts,
γ-aminopropyltrimethoxysilane 8 parts,
Phosphine butane tricarboxylic acid 16 parts,
The different monooctyl ester of sebacic acid 12 parts,
Filler 18 parts,
Compatilizer 6 parts,
Modification boron fibre 8 parts,
Fire retardant 4 parts,
Antioxidant 1076 2 parts,
Antioxidant 300 2 parts;
The compound of the wilkinite of described filler to be mass ratio be 2.5:4:1:1.6:3:1, calcium molybdate, flyash, mullite powder, nano oxidized zirconium powder, fibrous wollastonite powder;
The compound of the chlorinatedpolyolefins of described compatilizer to be mass ratio be 1.8:3:2.5:1, maleic anhydride inoculated polypropylene, methylethyl ketone peroxide, dioctyl phthalate (DOP);
The compound of the polydimethylsiloxane of described fire retardant to be mass ratio be 2:3:1, nano-sized magnesium hydroxide and polyphenylene phosphonic acids sulfobenzide ester.
Wherein, also comprise 0.8 part of pigment, the mixture of described pigment to be mass ratio be 3:1 red iron oxide and Rutile type Titanium Dioxide.
The concrete steps of described modification boron fibre are: by length be the boron fibre of 0.5 ~ 2um at 65 DEG C, mass concentration is ultrasonic mechanical stir process 3 hours in the solution chlorate of 95%, namely obtains modification boron fibre after filtration washing after lyophilize.
The preparation method of a kind of PU/EVA complex plastic material of the present embodiment comprises the following steps:
(1) urethane, ethylene-vinyl acetate copolymer, PETG resin, phosphine butane tricarboxylic acid and filler are placed in respectively baking oven dry 5 ~ 8h at 100 DEG C, for subsequent use;
(2) dried material in step (1) is taken according to quality proportioning, then join in high-speed mixer, barrel temperature is kept to be 140 DEG C, under the rotating speed of 3000rpm, first time stirs 30min, then the different monooctyl ester of sebacic acid, γ-aminopropyltrimethoxysilane and compatilizer is added successively, after second time stirs 60min under the rotating speed of 5000rpm, be cooled to room temperature;
(3) take modification boron fibre, antioxidant 1076, antioxidant 300 and fire retardant according to weight proportion and join in step (2), mix and blend 30min, discharging;
(4) join through melt extruding in twin screw extruder by material in step (3), granulation, namely obtains PU/EVA complex plastic material after drying; Wherein, the expressing technique condition in twin screw extruder is: district's temperature 200 DEG C, two district's temperature 220 DEG C, three district's temperature 240 DEG C, four district's temperature 270 DEG C, five district's temperature 230 DEG C, barrel residence time 5min, screw speed 80rpm.
Embodiment 3
A kind of PU/EVA complex plastic of the present embodiment material, comprises following component, counts by weight:
Urethane 71 parts,
Ethylene-vinyl acetate copolymer 47 parts,
PETG resin 24 parts,
γ-aminopropyltrimethoxysilane 5 parts,
Phosphine butane tricarboxylic acid 12 parts,
The different monooctyl ester of sebacic acid 9 parts,
Filler 13 parts,
Compatilizer 4 parts,
Modification boron fibre 6 parts,
Fire retardant 3 parts,
Antioxidant 1076 1.2 parts,
Antioxidant 300 1.2 parts;
The compound of the wilkinite of described filler to be mass ratio be 2.5:4:1:1.6:3:1, calcium molybdate, flyash, mullite powder, nano oxidized zirconium powder, fibrous wollastonite powder;
The compound of the chlorinatedpolyolefins of described compatilizer to be mass ratio be 1.8:3:2.5:1, maleic anhydride inoculated polypropylene, methylethyl ketone peroxide, dioctyl phthalate (DOP);
The compound of the polydimethylsiloxane of described fire retardant to be mass ratio be 2:3:1, nano-sized magnesium hydroxide and polyphenylene phosphonic acids sulfobenzide ester.
The concrete steps of described modification boron fibre are: by length be the boron fibre of 0.5 ~ 2um at 65 DEG C, mass concentration is ultrasonic mechanical stir process 3 hours in the solution chlorate of 95%, namely obtains modification boron fibre after filtration washing after lyophilize.
The preparation method of a kind of PU/EVA complex plastic material of the present embodiment comprises the following steps:
(1) urethane, ethylene-vinyl acetate copolymer, PETG resin, phosphine butane tricarboxylic acid and filler are placed in baking oven dry 6h at 85 DEG C respectively, for subsequent use;
(2) dried material in step (1) is taken according to quality proportioning, then join in high-speed mixer, barrel temperature is kept to be 105 DEG C, under the rotating speed of 2400rpm, first time stirs 22min, then the different monooctyl ester of sebacic acid, γ-aminopropyltrimethoxysilane and compatilizer is added successively, after second time stirs 45min under the rotating speed of 4100rpm, be cooled to room temperature;
(3) take modification boron fibre, antioxidant 1076, antioxidant 300 and fire retardant according to weight proportion and join in step (2), mix and blend 20min, discharging;
(4) join through melt extruding in twin screw extruder by material in step (3), granulation, namely obtains PU/EVA complex plastic material after drying; Wherein, the expressing technique condition in twin screw extruder is: district's temperature 200 DEG C, two district's temperature 220 DEG C, three district's temperature 240 DEG C, four district's temperature 270 DEG C, five district's temperature 230 DEG C, barrel residence time 5min, screw speed 80rpm.
Embodiment 4
A kind of PU/EVA complex plastic of the present embodiment material, comprises following component, counts by weight:
Urethane 73 parts,
Ethylene-vinyl acetate copolymer 42 parts,
PETG resin 19 parts,
γ-aminopropyltrimethoxysilane 3 parts,
Phosphine butane tricarboxylic acid 11 parts,
The different monooctyl ester of sebacic acid 9 parts,
Filler 13 parts,
Compatilizer 4 parts,
Modification boron fibre 5 parts,
Fire retardant 2 parts,
Antioxidant 1076 0.7 part,
Antioxidant 300 1 part;
The compound of the wilkinite of described filler to be mass ratio be 2.5:4:1:1.6:3:1, calcium molybdate, flyash, mullite powder, nano oxidized zirconium powder, fibrous wollastonite powder;
The compound of the chlorinatedpolyolefins of described compatilizer to be mass ratio be 1.8:3:2.5:1, maleic anhydride inoculated polypropylene, methylethyl ketone peroxide, dioctyl phthalate (DOP);
The compound of the polydimethylsiloxane of described fire retardant to be mass ratio be 2:3:1, nano-sized magnesium hydroxide and polyphenylene phosphonic acids sulfobenzide ester.
The concrete steps of described modification boron fibre are: by length be the boron fibre of 0.5 ~ 2um at 65 DEG C, mass concentration is ultrasonic mechanical stir process 3 hours in the solution chlorate of 95%, namely obtains modification boron fibre after filtration washing after lyophilize.
The preparation method of a kind of PU/EVA complex plastic material of the present embodiment comprises the following steps:
(1) urethane, ethylene-vinyl acetate copolymer, PETG resin, phosphine butane tricarboxylic acid and filler are placed in baking oven dry 6h at 85 DEG C respectively, for subsequent use;
(2) dried material in step (1) is taken according to quality proportioning, then join in high-speed mixer, barrel temperature is kept to be 110 DEG C, under the rotating speed of 2300rpm, first time stirs 20min, then the different monooctyl ester of sebacic acid, γ-aminopropyltrimethoxysilane and compatilizer is added successively, after second time stirs 45min under the rotating speed of 4200rpm, be cooled to room temperature;
(3) take modification boron fibre, antioxidant 1076, antioxidant 300 and fire retardant according to weight proportion and join in step (2), mix and blend 20min, discharging;
(4) join through melt extruding in twin screw extruder by material in step (3), granulation, namely obtains PU/EVA complex plastic material after drying; Wherein, the expressing technique condition in twin screw extruder is: district's temperature 200 DEG C, two district's temperature 220 DEG C, three district's temperature 240 DEG C, four district's temperature 270 DEG C, five district's temperature 230 DEG C, barrel residence time 5min, screw speed 80rpm.
Embodiment 5
A kind of PU/EVA complex plastic of the present embodiment material, comprises following component, counts by weight:
Urethane 68 parts,
Ethylene-vinyl acetate copolymer 43 parts,
PETG resin 19 parts,
γ-aminopropyltrimethoxysilane 2 parts,
Phosphine butane tricarboxylic acid 8 parts,
The different monooctyl ester of sebacic acid 10 parts,
Filler 9 parts,
Compatilizer 3 parts,
Modification boron fibre 5 parts,
Fire retardant 1 part,
Antioxidant 1076 0.6 part,
Antioxidant 300 0.8 part;
The compound of the wilkinite of described filler to be mass ratio be 2.5:4:1:1.6:3:1, calcium molybdate, flyash, mullite powder, nano oxidized zirconium powder, fibrous wollastonite powder;
The compound of the chlorinatedpolyolefins of described compatilizer to be mass ratio be 1.8:3:2.5:1, maleic anhydride inoculated polypropylene, methylethyl ketone peroxide, dioctyl phthalate (DOP);
The compound of the polydimethylsiloxane of described fire retardant to be mass ratio be 2:3:1, nano-sized magnesium hydroxide and polyphenylene phosphonic acids sulfobenzide ester.
Wherein, also comprise 1 part of pigment, the mixture of described pigment to be mass ratio be 2 ~ 5:1 red iron oxide and Rutile type Titanium Dioxide.
The concrete steps of described modification boron fibre are: by length be the boron fibre of 0.5 ~ 2um at 65 DEG C, mass concentration is ultrasonic mechanical stir process 3 hours in the solution chlorate of 95%, namely obtains modification boron fibre after filtration washing after lyophilize.
The preparation method of a kind of PU/EVA complex plastic material of the present embodiment comprises the following steps:
(1) urethane, ethylene-vinyl acetate copolymer, PETG resin, phosphine butane tricarboxylic acid and filler are placed in baking oven dry 5h at 80 DEG C respectively, for subsequent use;
(2) dried material in step (1) is taken according to quality proportioning, then join in high-speed mixer, barrel temperature is kept to be 90 DEG C, under the rotating speed of 2500rpm, first time stirs 20min, then the different monooctyl ester of sebacic acid, γ-aminopropyltrimethoxysilane and compatilizer is added successively, after second time stirs 40min under the rotating speed of 3800rpm, be cooled to room temperature;
(3) take modification boron fibre, antioxidant 1076, antioxidant 300 and fire retardant according to weight proportion and join in step (2), mix and blend 20min, discharging;
(4) join through melt extruding in twin screw extruder by material in step (3), granulation, namely obtains PU/EVA complex plastic material after drying; Wherein, the expressing technique condition in twin screw extruder is: district's temperature 200 DEG C, two district's temperature 220 DEG C, three district's temperature 240 DEG C, four district's temperature 270 DEG C, five district's temperature 230 DEG C, barrel residence time 5min, screw speed 80rpm.
Comparative example 1
This comparative example is substantially the same manner as Example 5, and difference part is, not containing PETG resin, phosphine butane tricarboxylic acid and modification boron fibre.
Comparative example 2
This comparative example is substantially the same manner as Example 5, and difference part is, not containing modification boron fibre.
Performance test
Carried out sampling by complex plastic material prepared by above-mentioned all embodiments and comparative example and carry out measuring mechanical property, its test result sees the following form:
| Tear-resistant intensity N/m | Tensile strength MPa | Elongation % | |
| Embodiment 1 | 516 | 18.3 | 201 |
| Embodiment 2 | 532 | 19.7 | 208 |
| Embodiment 3 | 548 | 20.1 | 215 |
| Embodiment 4 | 595 | 23.6 | 227 |
| Embodiment 5 | 521 | 20.2 | 205 7 --> |
| Comparative example 1 | 482 | 16.5 | 183 |
| Comparative example 2 | 494 | 17.3 | 189 |
The tear-resistant intensity of the complex plastic material as seen from the above table prepared by all embodiments is greater than 516N/m, and tensile strength is higher than 18.3MPa, and elongation is greater than 201%, has certain using strength, good shock-resistance and toughness.Comparative example 1 and comparative example 3, owing to lacking component, properties all has decline, and the PETG resin in this explanation the present invention, phosphine butane tricarboxylic acid and the mechanical property of modification boron fibre component to complex plastic material play an important role.
The above is only detailed embodiment of the present invention; and be not used in limitation of the present invention; should be understood that; for those skilled in the art; under the prerequisite not departing from the technology of the present invention principle; also can make some improvement and distortion, these improve and are out of shape also when being considered as protection scope of the present invention.
Claims (9)
1. a PU/EVA complex plastic material, is characterized in that, comprises following component, counts by weight:
Urethane 62 ~ 80 parts,
Ethylene-vinyl acetate copolymer 35 ~ 60 parts,
PETG resin 17 ~ 30 parts,
γ-aminopropyltrimethoxysilane 2 ~ 8 parts,
Phosphine butane tricarboxylic acid 7 ~ 16 parts,
The different monooctyl ester of sebacic acid 6 ~ 12 parts,
Filler 9 ~ 18 parts,
Compatilizer 2 ~ 6 parts,
Modification boron fibre 4 ~ 8 parts,
Fire retardant 1 ~ 4 part,
Antioxidant 1076 0.5 ~ 2 part,
Antioxidant 300 0.5 ~ 2 part;
The compound of the wilkinite of described filler to be mass ratio be 2.5:4:1:1.6:3:1, calcium molybdate, flyash, mullite powder, nano oxidized zirconium powder, fibrous wollastonite powder;
The compound of the chlorinatedpolyolefins of described compatilizer to be mass ratio be 1.8:3:2.5:1, maleic anhydride inoculated polypropylene, methylethyl ketone peroxide, dioctyl phthalate (DOP);
The compound of the polydimethylsiloxane of described fire retardant to be mass ratio be 2:3:1, nano-sized magnesium hydroxide and polyphenylene phosphonic acids sulfobenzide ester.
2. a kind of PU/EVA complex plastic material according to claim 1, is characterized in that, comprise following component, count by weight:
Urethane 73 parts,
Ethylene-vinyl acetate copolymer 42 parts,
PETG resin 19 parts,
γ-aminopropyltrimethoxysilane 3 parts,
Phosphine butane tricarboxylic acid 11 parts,
The different monooctyl ester of sebacic acid 9 parts,
Filler 13 parts,
Compatilizer 4 parts,
Modification boron fibre 5 parts,
Fire retardant 2 parts,
Antioxidant 1076 0.7 part,
Antioxidant 300 1 part.
3. a kind of PU/EVA complex plastic material according to claim 1, is characterized in that, also comprise 0.2 ~ 3 part of pigment, the mixture of described pigment to be mass ratio be 2 ~ 5:1 red iron oxide and Rutile type Titanium Dioxide.
4. a kind of PU/EVA complex plastic material according to claim 1, it is characterized in that, the concrete steps of described modification boron fibre are: be that the boron fibre of 0.5 ~ 2um is at 65 DEG C by length, mass concentration is ultrasonic mechanical stir process 3 hours in the solution chlorate of 95%, namely obtains modification boron fibre after filtration washing after lyophilize.
5. the preparation method of a kind of PU/EVA complex plastic material as claimed in claim 1, is characterized in that, comprise the following steps:
(1) urethane, ethylene-vinyl acetate copolymer, PETG resin, phosphine butane tricarboxylic acid and filler are placed in respectively baking oven dry 5 ~ 8h at 70 ~ 100 DEG C, for subsequent use;
(2) dried material in step (1) is taken according to quality proportioning, then join in high-speed mixer, barrel temperature is kept to be 70 ~ 140 DEG C, under the rotating speed of 1800 ~ 3000rpm, first time stirs 15 ~ 30min, then the different monooctyl ester of sebacic acid, γ-aminopropyltrimethoxysilane and compatilizer is added successively, after second time stirs 30 ~ 60min under the rotating speed of 3500 ~ 5000rpm, be cooled to room temperature;
(3) take modification boron fibre, antioxidant 1076, antioxidant 300 and fire retardant according to weight proportion and join in step (2), mix and blend 10 ~ 30min, discharging;
(4) to be joined by material in step (3) in twin screw extruder through melt extruding at 200 ~ 270 DEG C, granulation, namely obtains PU/EVA complex plastic material after drying.
6. the preparation method of a kind of PU/EVA complex plastic material according to claim 5, is characterized in that, in described step step (1), drying temperature is 85 DEG C, and time of drying is 6h.
7. the preparation method of a kind of PU/EVA complex plastic material according to claim 5, it is characterized in that, barrel temperature in described step (2) is 110 DEG C, described first time mixing speed and the time be respectively 2300rpm, 20min, described second time mixing speed and time are respectively 4200rpm, 45min.
8. the preparation method of a kind of PU/EVA complex plastic material according to claim 5, it is characterized in that, the mix and blend time in described step (3) is 20min.
9. the preparation method of a kind of PU/EVA complex plastic material according to any one of claim 5 to 8, it is characterized in that, expressing technique condition in described step (4) in twin screw extruder is: district's temperature 200 DEG C, two district's temperature 220 DEG C, three district's temperature 240 DEG C, four district's temperature 270 DEG C, five district's temperature 230 DEG C, barrel residence time 5min, screw speed 80rpm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610040563.2A CN105542434A (en) | 2016-01-21 | 2016-01-21 | PU/EVA composite plastic material and preparation method thereof |
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| CN201610040563.2A CN105542434A (en) | 2016-01-21 | 2016-01-21 | PU/EVA composite plastic material and preparation method thereof |
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Cited By (5)
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| CN105924937A (en) * | 2016-07-06 | 2016-09-07 | 苏州亚科塑胶有限公司 | Environment-friendly anti-tearing toughening modified silicon PU flame-retardant plastic material |
| CN105968786A (en) * | 2016-07-22 | 2016-09-28 | 丁悦 | Athletic ground runway material |
| CN106046516A (en) * | 2016-07-06 | 2016-10-26 | 苏州亚科塑胶有限公司 | Tear-resistant toughened modified silicon PU (polyurethane) plastic composite and preparation method thereof |
| CN106336646A (en) * | 2016-08-30 | 2017-01-18 | 新亚特电缆股份有限公司 | Flame-retardant weather-resistant PTC cable material and preparation method |
| CN108178912A (en) * | 2017-12-29 | 2018-06-19 | 上海至正道化高分子材料股份有限公司 | A kind of charging pile cable 125 DEG C of thermoplasticity high-performance refractory environment-friendly polyurethane protective cover materials and preparation method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105924937A (en) * | 2016-07-06 | 2016-09-07 | 苏州亚科塑胶有限公司 | Environment-friendly anti-tearing toughening modified silicon PU flame-retardant plastic material |
| CN106046516A (en) * | 2016-07-06 | 2016-10-26 | 苏州亚科塑胶有限公司 | Tear-resistant toughened modified silicon PU (polyurethane) plastic composite and preparation method thereof |
| CN106046516B (en) * | 2016-07-06 | 2018-12-28 | 苏州亚科塑胶有限公司 | A kind of tear-proof toughening modifying silicon PU plastic composite material and preparation method thereof |
| CN105968786A (en) * | 2016-07-22 | 2016-09-28 | 丁悦 | Athletic ground runway material |
| CN106336646A (en) * | 2016-08-30 | 2017-01-18 | 新亚特电缆股份有限公司 | Flame-retardant weather-resistant PTC cable material and preparation method |
| CN108178912A (en) * | 2017-12-29 | 2018-06-19 | 上海至正道化高分子材料股份有限公司 | A kind of charging pile cable 125 DEG C of thermoplasticity high-performance refractory environment-friendly polyurethane protective cover materials and preparation method |
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