CN110483896A - The exempting from of a kind of substitution ABS sprays composite polypropylene plastics and preparation method - Google Patents
The exempting from of a kind of substitution ABS sprays composite polypropylene plastics and preparation method Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/66—Polyesters containing oxygen in the form of ether groups
- C08G63/668—Polyesters containing oxygen in the form of ether groups derived from polycarboxylic acids and polyhydroxy compounds
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- 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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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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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 present invention propose a kind of substitution ABS exempt from spray composite polypropylene plastics and preparation method, it is that raw material reacts material obtained and fluorinated polyurethane elastomer body, methacrylate butadi ene styrene copolymer, calcium acetylacetonate mixing obtain enhancing high body of light that composite polypropylene modeling, which is by dimethyl terephthalate (DMT), ethylene glycol, polyethylene glycol, zinc acetate, pentaerythrite, degree of branching regulator, phosphite ester, mullite crystal whisker, nano talc, mica powder, then with polypropylene, antioxidant, lubricant, hollow glass micropearl mixing extruding pelletization and be made.The polypropylene plastics melt strength with higher and mobility of substitution ABS provided by the invention, therefore there is fine and smooth ductility, to effectively eliminate flow liner when polypropylene articles processing, show excellent mechanical strength and high glaze, scratch resistance, without carrying out later period spraying lacquer painting, it is suitable for all kinds of processing for exempting to spray product.
Description
Technical field
The present invention relates to composite plastic technical fields, exempt to spray composite polypropylene modeling more particularly to a kind of substitution ABS
Material and preparation method.
Background technique
Polypropylene is a kind of general-purpose thermoplastic plastic of high comprehensive performance, have cheap, light weight, solvent resistant,
Elastic good, rigidity, Yi Huishou, it is nontoxic the features such as, there is good dielectric properties and high-frequency insulation and do not influenced by humidity,
But become fragile when low temperature, it is not wear-resisting, easy to aging.It is most important suitable for production common mechanical part, corrosion-resistant part and insulating part
Car light material, be widely applied on automotive upholstery, such as instrument board, door-plate, column, bumper.
ABS is a kind of intensity height, good toughness, thermoplastics type's high molecular material easily processed into type.ABS resin is propylene
Nitrile, 1,3- butadiene, styrene terpolymer.It can act normally, and have well in the environment of -25-60 DEG C
Mouldability, the product surface processed is bright and clean, easy to dye and plating.And it can match with various kinds of resin and blend together blend.ABS makees
For most important engineering plastics, polyacrylic rigidity and oil resistivity, chemical resistance are had both.And polyacrylic heat resistance and weatherability
Better than ABS, become the optimal selection of alternative ABS.
When polypropylene substitutes ABS, it is low to be limited to strength of PP, usually requires to enhance when as substitution ABS, such as be added
Glass fibre etc. is as enhancing additive.But since polyacrylic molding shrinkage is big, glossiness is poor, particularly with the addition of glass
Gloss further declines after fiber reinforcement, to affect the development of polypropylene substitution ABS.In addition, polypropylene is different from ABS,
In thermoforming, product surface is easy to produce flow liner.Although defect can be reduced by surface spraying, but influence outside film-making
Appearance quality.Therefore, it is concerned for substituting the research of the high-performance polypropylene material of ABS.
Chinese invention patent application number 201811321861.4 disclose it is a kind of substitute ABS low-density PP and its preparation side
Method is made of the raw material of following weight percent: PP resin 52.5-63%, toughener 15-20%, talcum powder 18-20%, crystalline substance
Palpus 3-6%, auxiliary agent 1-1.5%, specific method is to be uniformly mixed each raw material by its weight fraction high-speed stirred, later in double spiral shells
In bar extruder melting extrusion to get.Chinese invention patent application number 201810485389.1 discloses a kind of alternative ABS's
Reinforced polypropylene compound material and preparation method thereof and purposes, the material are prepared from the following raw materials in parts by weight: polypropylene 60-
81 parts, 5-10 parts of glass fibre, 2-5 parts of PP-g-MAH, 2-5 parts of silicone powder, talcum powder is by talcum powder A and talcum powder B by matter
Amount ratio is the mixture that 1:2-2:1 is mixed.
In order to avoid polypropylene substitution ABS is there are flow liner, cause the defect for influencing product appearance, it is necessary to propose a kind of new
The polypropylene plastics of the substitution ABS of type, and then effectively eliminate flow liner when polypropylene articles processing.
Summary of the invention
For existing polypropylene substitution ABS, there are flow liners, influence the defect of product appearance, the present invention proposes a kind of substitution
Exempt to spray the composite polypropylene plastics and preparation method of ABS have to improve the melt strength and mobility of polypropylene plastics
The appearance of flow liner when effect eliminates polypropylene processing.
To solve the above problems, the invention adopts the following technical scheme:
A kind of preparation method for exempting to spray composite polypropylene plastics of substitution ABS, it is specific the preparation method is as follows:
(1) dimethyl terephthalate (DMT), ethylene glycol, polyethylene glycol, zinc acetate are added in reaction kettle, in nitrogen protection
Under, pressure is risen into 1-2MPa, is first warming up to 160 DEG C of reaction 1-2h, pentaerythrite, degree of branching regulator, phosphorous is then added
Acid esters, mullite crystal whisker, nano talc and mica powder, temperature are slowly increased to 220 DEG C, and pressure is down to 0.01MPa, and the reaction was continued
1h, discharging, obtains the mixed material of the ester elastomer containing hyperbranched polyether；
(2) by mixed material and fluorinated polyurethane elastomer body, methacrylate butadi ene styrene copolymer, acetyl
Acetone calcium is added in mixer, and mixing 1-2h at being 120-150 DEG C in temperature obtains enhancing high body of light；
(3) high body of light will be enhanced and polypropylene, antioxidant, lubricant, hollow glass micropearl are added in high-speed mixer and divide
It dissipates uniformly, then adds twin-screw extrude, melting extrusion, which is granulated, exempts from spraying composite polypropylene plastics to get substitution ABS.
Preferably, the degree of branching regulator is the (combination of Ni (naph) 2-BF3OEt2-Al (i-Bu) 3 and furans
Object, wherein (mass ratio of Ni (naph) 2-BF3OEt2-Al (i-Bu) 3 and furans is 1:0.5-1.5.
Preferably, the antioxidant is one or more of phosphite ester antioxidant, sulphur ester antioxidant
Combination.
Preferably, the lubricant be stearic acid, ethylene bis stearamide, polyethylene wax, calcium stearate, zinc stearate,
The combination of one or more of silicone powder.
The present invention is using dimethyl terephthalate (DMT), ethylene glycol, polyethylene glycol as raw material, using zinc acetate as catalyst,
Then pentaerythrite, phosphite ester is added, with (composition of Ni (naph) 2-BF3OEt2-Al (i-Bu) 3 and furans is branch
Change degree regulator, reaction prepare hyperbranched polyether ester elastomer, have unique branched molecular structure, intermolecular no entanglement, and
And there are a large amount of end groups, thus show the performances such as high-dissolvability, low viscosity, high chemical reactivity.Meanwhile hyperbranched
Mullite crystal whisker, nano talc, mica powder is added when polyester elastomer formation, realizes the evenly dispersed of inorganic particle,
Form the material of melt strength with higher and stronger mobility.Preferably, in step (1), dimethyl terephthalate (DMT),
Ethylene glycol, polyethylene glycol, zinc acetate, pentaerythrite, degree of branching regulator, phosphite ester, mullite crystal whisker, nano talc,
The mass ratio of mica powder is 100:30-140:20-100:2-4:3-9:1-12:20-30:40-60:30-50:30-50.
Preferably, in step (2), mixed material, fluorinated polyurethane elastomer body, metacrylate-butadiene-styrene
Copolymer, calcium acetylacetonate mass ratio be 100:40-120:30-100:20-50.The present invention passes through will be with higher molten
The material of body intensity and stronger mobility and fluorinated polyurethane elastomer body, metacrylate-butadiene-are styrene copolymerized
Object, calcium acetylacetonate are compound to be obtained enhancing high body of light.Since hydrogen bond is that molecule inner proton gives group and proton accepter group
Between electrostatic force, in hyperbranched polyether ester elastomer ,-the N-H- in hard section in carbamate groups gives for proton
Body is given, and the ether oxygen base in the carbonyl and soft segment macromolecular chain in hard section in carbamate groups is proton accepter, point
Since hydrogen bond action has certain compatibility and combines between son, interpenetrating networks are formed, the mechanical property of material is substantially increased, it should
Enhancing high body of light not only has excellent humidification to polypropylene, and has fine and smooth ductility, so as to effectively eliminate
Flow liner when polypropylene articles are processed.
Preferably, in extruding pelletization described in step (3), screw diameter 30-35mm, screw slenderness ratio 20-30, spiral shell
Bar revolving speed is 50-100r/min, and operating temperature is 180-250 DEG C.
Preferably, in step (3), polypropylene, the high body of light of enhancing, antioxidant, lubricant, hollow glass micropearl mass ratio
Example is 100:10-40:1-2:1-3:5-12.
The substitution ABS's being prepared the present invention also provides a kind of above-mentioned preparation method exempts to spray composite polypropylene modeling
Material, the composite polypropylene modeling is by dimethyl terephthalate (DMT), ethylene glycol, polyethylene glycol, zinc acetate, pentaerythrite, branching
Spending regulator, phosphite ester, mullite crystal whisker, nano talc, mica powder is that raw material reacts material obtained and is fluorinated poly- ammonia
Ester elastomer, methacrylate butadi ene styrene copolymer, calcium acetylacetonate mixing obtain enhancing high body of light, then with
Polypropylene, antioxidant, lubricant, hollow glass micropearl mixing extruding pelletization and be made.
There is flow liner in existing polypropylene substitution ABS, influence product appearance, limit its application.In consideration of it, this
Invention propose a kind of substitution ABS exempt from spray composite polypropylene plastics and preparation method, by dimethyl terephthalate (DMT), second two
Alcohol, polyethylene glycol, zinc acetate are added in reaction kettle, are warming up to reaction under nitrogen protection, then be added pentaerythrite,
Degree of branching regulator, phosphite ester, mullite crystal whisker, nano talc, mica powder heat up and are depressured that the reaction was continued hour, out
Material；Then by obtained material and fluorinated polyurethane elastomer body, methacrylate butadi ene styrene copolymer, levulinic
Ketone calcium obtains enhancing high body of light in mixer mixing；High body of light and polypropylene, antioxidant, lubricant, hollow glass will finally be enhanced
Double screw extruder is added in glass microballon after mixing, and melting extrusion, which is granulated, exempts to spray composite polypropylene modeling to get substitution ABS
Material.The polypropylene plastics melt strength with higher and mobility of substitution ABS provided by the invention, therefore there is fine and smooth prolong
Malleability shows excellent mechanical strength and high glaze, damage resistant to effectively eliminate flow liner when polypropylene articles processing
Property, without carrying out later period spraying lacquer painting, it is suitable for all kinds of processing for exempting to spray product.
The present invention propose a kind of substitution ABS exempt from spray composite polypropylene plastics and preparation method, compared with prior art,
Its feature protruded and excellent effect are:
1, mullite crystal whisker, nano talc, mica powder are added in the formation of hyperbranched polyether ester elastomer by the present invention,
To the evenly dispersed material for forming melt strength and stronger mobility with higher, then with fluorinated polyurethane elastomer
Body, methacrylate butadi ene styrene copolymer, calcium acetylacetonate are compound to be obtained enhancing high body of light, the high body of light of the enhancing
Not only there is excellent humidification to polypropylene, and there is fine and smooth ductility, add to effectively eliminate polypropylene articles
The flow liner in working hour.
3, the polypropylene plastics of substitution ABS produced by the present invention shows excellent mechanical strength and high glaze, damage resistant
Property, without carrying out later period spraying lacquer painting, it is suitable for all kinds of processing for exempting to spray product.
Specific embodiment
In the following, the present invention will be further described in detail by way of specific embodiments, but this should not be interpreted as to the present invention
Range be only limitted to example below.Without departing from the idea of the above method of the present invention, according to ordinary skill
The various replacements or change that knowledge and customary means are made, should be included in the scope of the present invention.
Embodiment 1
(1) dimethyl terephthalate (DMT), ethylene glycol, polyethylene glycol, zinc acetate are added in reaction kettle, in nitrogen protection
Under, pressure is risen into 1.6MPa, is first warming up to 160 DEG C of reaction 1.5h, pentaerythrite, degree of branching regulator, phosphorous is then added
Acid esters, mullite crystal whisker, nano talc and mica powder, temperature are slowly increased to 220 DEG C, and pressure is down to 0.01MPa, and the reaction was continued
1h, discharging, obtains the mixed material of the ester elastomer containing hyperbranched polyether；Degree of branching regulator is (Ni (naph) 2-BF3
The composition of OEt2-Al (i-Bu) 3 and furans, wherein (the mass ratio of Ni (naph) 2-BF3OEt2-Al (i-Bu) 3 and furans
Example is 1:0.9；Wherein, dimethyl terephthalate (DMT), ethylene glycol, polyethylene glycol, zinc acetate, pentaerythrite, degree of branching regulator,
Phosphite ester, mullite crystal whisker, nano talc, mica powder mass ratio be 100:90:70:3:5:7:26:48:38:42；
(2) by mixed material and fluorinated polyurethane elastomer body, methacrylate butadi ene styrene copolymer, acetyl
Acetone calcium is added in mixer, and mixing 1.5h at being 130 DEG C in temperature obtains enhancing high body of light；Wherein, mixed material, fluorination
Polyurethane elastomer, methacrylate butadi ene styrene copolymer, calcium acetylacetonate mass ratio be 100:90:
70:30；
(3) high body of light will be enhanced and polypropylene, antioxidant, lubricant, hollow glass micropearl are added in high-speed mixer and divide
It dissipates uniformly, then adds twin-screw extrude, melting extrusion, which is granulated, exempts from spraying composite polypropylene plastics to get substitution ABS；
Antioxidant is phosphite ester antioxidant；Lubricant is stearic acid；In extruding pelletization, screw diameter 33mm, screw slenderness ratio
It is 25, screw speed 70r/min；Wherein, polypropylene, the high body of light of enhancing, the matter of antioxidant, lubricant, hollow glass micropearl
Amount ratio is 100:30:1.6:1.8:9.
Test method:
The composite polypropylene that the present embodiment is prepared is tested for the property, and directly whether observation injection molding polypropylene surface
There are flow liner, obtain that the results are shown in Table 1.
The composite polypropylene that the present embodiment is prepared carries out mechanical strength test, using notch impact strength tester
The notch impact strength for directly testing polypropylene plastics, obtains that the results are shown in Table 1.
The composite polypropylene progress glossiness test that the present embodiment is prepared, reference GB/T 8807-1988 standard,
The surface gloss that polypropylene plastics produced by the present invention is tested using 60 ° of angle glossiness testers obtains result such as 1 institute of table
Show.
Embodiment 2
(1) dimethyl terephthalate (DMT), ethylene glycol, polyethylene glycol, zinc acetate are added in reaction kettle, in nitrogen protection
Under, pressure is risen into 1MPa, is first warming up to 160 DEG C of reaction 2h, then be added pentaerythrite, degree of branching regulator, phosphite ester,
Mullite crystal whisker, nano talc and mica powder, temperature are slowly increased to 220 DEG C, and pressure is down to 0.01MPa, the reaction was continued 1h, out
Material, obtains the mixed material of the ester elastomer containing hyperbranched polyether；Degree of branching regulator is (Ni (naph) 2-BF3OEt2-Al
(i-Bu) 3 with the composition of furans, wherein (mass ratio of Ni (naph) 2-BF3OEt2-Al (i-Bu) 3 and furans is 1:
0.5；Wherein, dimethyl terephthalate (DMT), ethylene glycol, polyethylene glycol, zinc acetate, pentaerythrite, degree of branching regulator, phosphorous acid
Ester, mullite crystal whisker, nano talc, mica powder mass ratio be 100:30:20:2:3:1:20:40:30:30；
(2) by mixed material and fluorinated polyurethane elastomer body, methacrylate butadi ene styrene copolymer, acetyl
Acetone calcium is added in mixer, and mixing 2h at being 120 DEG C in temperature obtains enhancing high body of light；Wherein, mixed material, fluorination are poly-
Urethane elastomer, methacrylate butadi ene styrene copolymer, calcium acetylacetonate mass ratio be 100:40:30:
20；
(3) high body of light will be enhanced and polypropylene, antioxidant, lubricant, hollow glass micropearl are added in high-speed mixer and divide
It dissipates uniformly, then adds twin-screw extrude, melting extrusion, which is granulated, exempts from spraying composite polypropylene plastics to get substitution ABS；
Antioxidant is sulphur ester antioxidant；Lubricant is ethylene bis stearamide；In extruding pelletization, screw diameter 30mm, screw rod is long
Diameter ratio is 20, screw speed 50r/min；Wherein, polypropylene, the high body of light of enhancing, antioxidant, lubricant, hollow glass micropearl
Mass ratio be 100:10:1:1:5.
It is tested using the method for embodiment 1, test result is as shown in table 1.
Embodiment 3
(1) dimethyl terephthalate (DMT), ethylene glycol, polyethylene glycol, zinc acetate are added in reaction kettle, in nitrogen protection
Under, pressure is risen into 2MPa, is first warming up to 160 DEG C of reaction 1h, then be added pentaerythrite, degree of branching regulator, phosphite ester,
Mullite crystal whisker, nano talc and mica powder, temperature are slowly increased to 220 DEG C, and pressure is down to 0.01MPa, the reaction was continued 1h, out
Material, obtains the mixed material of the ester elastomer containing hyperbranched polyether；Degree of branching regulator is (Ni (naph) 2-BF3OEt2-Al
(i-Bu) 3 with the composition of furans, wherein (mass ratio of Ni (naph) 2-BF3OEt2-Al (i-Bu) 3 and furans is 1:
1.5；Wherein, dimethyl terephthalate (DMT), ethylene glycol, polyethylene glycol, zinc acetate, pentaerythrite, degree of branching regulator, phosphorous acid
Ester, mullite crystal whisker, nano talc, mica powder mass ratio be 100:140:100:4:9:12:30:60:50:50；
(2) by mixed material and fluorinated polyurethane elastomer body, methacrylate butadi ene styrene copolymer, acetyl
Acetone calcium is added in mixer, and mixing 1h at being 150 DEG C in temperature obtains enhancing high body of light；Wherein, mixed material, fluorination are poly-
Urethane elastomer, methacrylate butadi ene styrene copolymer, calcium acetylacetonate mass ratio be 100:120:
100:50；
(3) high body of light will be enhanced and polypropylene, antioxidant, lubricant, hollow glass micropearl are added in high-speed mixer and divide
It dissipates uniformly, then adds twin-screw extrude, melting extrusion, which is granulated, exempts from spraying composite polypropylene plastics to get substitution ABS；
Antioxidant is phosphite ester antioxidant；Lubricant is polyethylene wax；In extruding pelletization, screw diameter 35mm, screw rod major diameter
Than being 30, screw speed 100r/min；Wherein, polypropylene, enhancing high body of light, antioxidant, lubricant, hollow glass micropearl
Mass ratio is 100:40:2:3:12.
It is tested using the method for embodiment 1, test result is as shown in table 1.
Embodiment 4
(1) dimethyl terephthalate (DMT), ethylene glycol, polyethylene glycol, zinc acetate are added in reaction kettle, in nitrogen protection
Under, pressure is risen into 1.5MPa, is first warming up to 160 DEG C of reaction 1.5h, pentaerythrite, degree of branching regulator, phosphorous is then added
Acid esters, mullite crystal whisker, nano talc and mica powder, temperature are slowly increased to 220 DEG C, and pressure is down to 0.01MPa, and the reaction was continued
1h, discharging, obtains the mixed material of the ester elastomer containing hyperbranched polyether；Degree of branching regulator is (Ni (naph) 2-BF3
The composition of OEt2-Al (i-Bu) 3 and furans, wherein (the mass ratio of Ni (naph) 2-BF3OEt2-Al (i-Bu) 3 and furans
Example is 1:1；Wherein, dimethyl terephthalate (DMT), ethylene glycol, polyethylene glycol, zinc acetate, pentaerythrite, degree of branching regulator, Asia
Phosphate, mullite crystal whisker, nano talc, mica powder mass ratio be 100:80:60:3:6:6:25:50:40:40；
(2) by mixed material and fluorinated polyurethane elastomer body, methacrylate butadi ene styrene copolymer, acetyl
Acetone calcium is added in mixer, and mixing 1.5h at being 135 DEG C in temperature obtains enhancing high body of light；Wherein, mixed material, fluorination
Polyurethane elastomer, methacrylate butadi ene styrene copolymer, calcium acetylacetonate mass ratio be 100:80:
80:35；
(3) high body of light will be enhanced and polypropylene, antioxidant, lubricant, hollow glass micropearl are added in high-speed mixer and divide
It dissipates uniformly, then adds twin-screw extrude, melting extrusion, which is granulated, exempts from spraying composite polypropylene plastics to get substitution ABS；
Antioxidant is sulphur ester antioxidant；Lubricant stearic acid calcium；In extruding pelletization, screw diameter 32mm, screw slenderness ratio 25,
Screw speed is 80r/min；Wherein, the mass ratio of polypropylene, the high body of light of enhancing, antioxidant, lubricant, hollow glass micropearl
For 100:25:1.5:2:8.
It is tested using the method for embodiment 1, test result is as shown in table 1.
Comparative example 1
Comparative example 1 compared with Example 1, is not added with ultra-branching polyether ester elastomeric compound, composite polypropylene obtained
Plastics are tested using the method for embodiment 1, and test result is as shown in table 1.
Table 1:
Claims (9)
1. a kind of preparation method for exempting to spray composite polypropylene plastics of substitution ABS, which is characterized in that specific preparation method is such as
Under:
(1) dimethyl terephthalate (DMT), ethylene glycol, polyethylene glycol, zinc acetate are added in reaction kettle, under nitrogen protection,
Pressure is risen into 1-2MPa, is first warming up to 160 DEG C of reaction 1-2h, pentaerythrite, degree of branching regulator, phosphorous acid is then added
Ester, mullite crystal whisker, nano talc and mica powder, temperature are slowly increased to 220 DEG C, and pressure is down to 0.01MPa, and the reaction was continued
1h, discharging, obtains the mixed material of the ester elastomer containing hyperbranched polyether；
(2) by mixed material and fluorinated polyurethane elastomer body, methacrylate butadi ene styrene copolymer, acetylacetone,2,4-pentanedione
Calcium is added in mixer, and mixing 1-2h at being 120-150 DEG C in temperature obtains enhancing high body of light；
(3) high body of light will be enhanced and polypropylene, antioxidant, lubricant, hollow glass micropearl are added in high-speed mixer and disperse
It is even, it then adds twin-screw extrude, melting extrusion, which is granulated, exempts from spraying composite polypropylene plastics to get substitution ABS.
2. the preparation method for exempting to spray composite polypropylene plastics of substitution ABS according to claim 1 a kind of, feature exist
In the degree of branching regulator is (Ni (naph)2-BF3·OEt2-Al(i-Bu)3With the composition of furans, wherein (Ni
(naph)2-BF3·OEt2-Al(i-Bu)3Mass ratio with furans is 1:0.5-1.5.
3. the preparation method for exempting to spray composite polypropylene plastics of substitution ABS according to claim 1 a kind of, feature exist
In, in step (1), dimethyl terephthalate (DMT), ethylene glycol, polyethylene glycol, zinc acetate, pentaerythrite, degree of branching regulator, Asia
Phosphate, mullite crystal whisker, nano talc, mica powder mass ratio be 100:30-140:20-100:2-4:3-9:1-
12:20-30:40-60:30-50:30-50。
4. the preparation method for exempting to spray composite polypropylene plastics of substitution ABS according to claim 1 a kind of, feature exist
In, in step (2), mixed material, fluorinated polyurethane elastomer body, methacrylate butadi ene styrene copolymer, acetyl
The mass ratio of acetone calcium is 100:40-120:30-100:20-50.
5. the preparation method for exempting to spray composite polypropylene plastics of substitution ABS according to claim 1 a kind of, feature exist
In, in extruding pelletization described in step (3), screw diameter 30-35mm, screw slenderness ratio 20-30, screw speed 50-
100r/min, operating temperature are 180-250 DEG C.
6. the preparation method for exempting to spray composite polypropylene plastics of substitution ABS according to claim 1 a kind of, feature exist
In the antioxidant is the combination of one or more of phosphite ester antioxidant, sulphur ester antioxidant.
7. the preparation method for exempting to spray composite polypropylene plastics of substitution ABS according to claim 1 a kind of, feature exist
In, the lubricant be stearic acid, ethylene bis stearamide, polyethylene wax, calcium stearate, zinc stearate, one in silicone powder
Kind or two or more combinations.
8. the preparation method for exempting to spray composite polypropylene plastics of substitution ABS according to claim 1 a kind of, feature exist
In, in step (3), polypropylene, the high body of light of enhancing, antioxidant, lubricant, hollow glass micropearl mass ratio be 100:10-
40:1-2:1-3:5-12。
9. a kind of substitution ABS's that the preparation method as described in claim 1-8 any claim is prepared exempts to spray compound poly- third
Alkene plastics.
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| GB2598406A (en) * | 2020-08-31 | 2022-03-02 | Tianjin Rongyu Tiancheng Tech Development Co Ltd | Structural thermal insulation materials for marine engineering and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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