CN114479274A - Spraying-free polypropylene composite material and preparation method and application thereof - Google Patents
Spraying-free polypropylene composite material and preparation method and application thereof Download PDFInfo
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- CN114479274A CN114479274A CN202210138108.1A CN202210138108A CN114479274A CN 114479274 A CN114479274 A CN 114479274A CN 202210138108 A CN202210138108 A CN 202210138108A CN 114479274 A CN114479274 A CN 114479274A
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- -1 polypropylene Polymers 0.000 title claims abstract description 176
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 128
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 128
- 239000002131 composite material Substances 0.000 title claims abstract description 95
- 238000002360 preparation method Methods 0.000 title claims abstract description 57
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 136
- 239000002994 raw material Substances 0.000 claims abstract description 80
- 230000003678 scratch resistant effect Effects 0.000 claims abstract description 56
- 239000004698 Polyethylene Substances 0.000 claims abstract description 35
- 229920000573 polyethylene Polymers 0.000 claims abstract description 35
- 229910052751 metal Inorganic materials 0.000 claims abstract description 29
- 239000002184 metal Substances 0.000 claims abstract description 29
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 27
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 27
- 239000002216 antistatic agent Substances 0.000 claims abstract description 26
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims abstract description 18
- 235000013539 calcium stearate Nutrition 0.000 claims abstract description 18
- 239000008116 calcium stearate Substances 0.000 claims abstract description 18
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims abstract description 16
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 34
- 239000007822 coupling agent Substances 0.000 claims description 34
- 238000002156 mixing Methods 0.000 claims description 34
- 239000003921 oil Substances 0.000 claims description 34
- 239000000843 powder Substances 0.000 claims description 32
- 238000002844 melting Methods 0.000 claims description 24
- 230000008018 melting Effects 0.000 claims description 24
- 238000005303 weighing Methods 0.000 claims description 24
- 229920001296 polysiloxane Polymers 0.000 claims description 21
- 229910003460 diamond Inorganic materials 0.000 claims description 20
- 239000010432 diamond Substances 0.000 claims description 20
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 20
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 19
- 229920006124 polyolefin elastomer Polymers 0.000 claims description 19
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 11
- 238000001746 injection moulding Methods 0.000 claims description 9
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 claims description 8
- DZGWFCGJZKJUFP-UHFFFAOYSA-N Tyramine Natural products NCCC1=CC=C(O)C=C1 DZGWFCGJZKJUFP-UHFFFAOYSA-N 0.000 claims description 8
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 229960003732 tyramine Drugs 0.000 claims description 8
- 239000001993 wax Substances 0.000 claims description 7
- 150000003973 alkyl amines Chemical class 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- 238000009966 trimming Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 239000000049 pigment Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000012644 addition polymerization Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000012763 reinforcing filler Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/04—External Ornamental or guard strips; Ornamental inscriptive devices thereon
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a spraying-free polypropylene composite material and a preparation method and application thereof, wherein the spraying-free polypropylene composite material comprises raw materials of polypropylene, modified toughening impact resistant master batch, scratch resistant modified master batch, metal aluminum powder, maleic anhydride grafted compatilizer, antioxidant, antistatic agent, polyethylene wax and calcium stearate, and the raw materials comprise the following components in parts by weight: 70-80 parts of polypropylene, 20-30 parts of modified toughening impact resistant master batch, 5-10 parts of scratch resistant modified master batch, 1-3 parts of metal aluminum powder, 2-3 parts of maleic anhydride grafted compatilizer, 1-3 parts of antistatic agent, 2-3 parts of polyethylene wax, 1-2 parts of calcium stearate and 0.3-0.6 part of antioxidant. The invention improves the problem that the spraying-free polypropylene composite material for the interior and exterior trimming parts of the automobile is insufficient in impact resistance and scratch resistance in the prior art, and the impact resistance and scratch resistance of the spraying-free polypropylene composite material are obviously improved by adding the modified toughening impact-resistant master batch and the scratch-resistant modified master batch into the raw materials.
Description
Technical Field
The invention relates to the technical field of polypropylene composite materials, in particular to a spraying-free polypropylene composite material, and a preparation method and application thereof.
Background
Polypropylene (PP) is a polymer obtained by addition polymerization of propylene. As a general plastic, polypropylene has the advantages of low price, good heat resistance and the like, and is widely applied to the fields of automobiles, household appliances, office supplies and various electronic and electrical appliances, but as a non-polar material, the surface spraying is difficult, as a general plastic, the mechanical property of the material is slightly defective, and most of polypropylene can be applied to the fields of household appliances, automobiles and the like only after being subjected to later-stage modification treatment.
The spray-free polypropylene composite material is a novel material which can achieve a spray effect by direct injection molding without spraying, and the preparation method of the spray-free polypropylene composite material mainly achieves the special color effect by filling special effect pigments such as metal pigment, pearlescent pigment and the like into a resin matrix. The finished piece has the characteristic of bright color, meets the increasing diversified and personalized requirements of customers on products, and in addition, the spraying-free polypropylene composite material abandons a spraying process which has great pollution to the environment and operators, improves the production efficiency, reduces the comprehensive cost of the finished piece, and has wide application prospect in the fields of automobile interior and exterior trims, household appliances and the like.
However, the development of spray-free polypropylene composite materials in the prior art is not mature enough, and although the effect of gorgeous color is achieved by adding metal pigments, the composite materials still have defects and shortcomings in impact strength and scratch resistance.
Aiming at the technical problems, the invention discloses a spraying-free polypropylene composite material, a preparation method and application thereof.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a spraying-free polypropylene composite material, a preparation method and application thereof, aims to solve the technical problems that the spraying-free polypropylene composite material still has defects and defects in impact strength and scratch resistance in the prior art, and has the advantages of improving the impact strength and scratch resistance of the spraying-free polypropylene composite material, being more environment-friendly in production process and the like.
In order to solve the technical problems, the invention discloses a spraying-free polypropylene composite material, which comprises the following raw materials of polypropylene, modified toughening impact resistant master batch, scratch resistant modified master batch, metal aluminum powder, maleic anhydride grafted compatilizer, antistatic agent, polyethylene wax, calcium stearate and antioxidant in parts by weight:
the modified toughening impact resistant master batch comprises raw materials of polyolefin elastomer, talcum powder, silicon nitride whisker, titanate coupling agent and white oil;
the scratch-resistant modified master batch comprises raw materials of polyethylene, silicone powder, diamond micro powder, titanate coupling agent and white oil.
Preferably, the modified toughened impact-resistant master batch comprises the following raw materials in parts by weight:
preferably, the scratch-resistant modified master batch comprises the following raw materials in parts by weight:
preferably, the particle size of the metal aluminum powder is 5-35 microns.
Preferably, the antioxidant is prepared by mixing the antioxidant 1010 and the antioxidant 168 according to the weight ratio of 1: 1.
Preferably, the antistatic agent is an ethoxylated fatty alkylamine or ethoxylated lauryl tyramine.
The invention also discloses a preparation method of the spray-free polypropylene composite material, which is characterized by comprising the following preparation steps:
the method comprises the following steps: preparation of modified toughened impact-resistant master batch
Weighing the polyolefin elastomer, the talcum powder, the silicon nitride whisker, the titanate coupling agent and the white oil which are used as raw materials according to the weight components, melting and mixing the raw materials at a high temperature uniformly, and then extruding and granulating the mixture by a double-screw extruder to prepare modified toughening impact-resistant master batch;
step two: preparation of scratch-resistant modified master batch
Weighing the raw materials of a polyethylene carrier, silicone powder, diamond micropowder, a titanate coupling agent and white oil according to the weight components, melting at high temperature, mixing uniformly, and then extruding and granulating by a double-screw extruder to prepare the scratch-resistant modified master batch;
step three: preparation of spraying-free polypropylene composite master batch
Weighing the raw materials of polypropylene, modified toughening impact resistant master batch, scratch resistant modified master batch, metal aluminum powder, antioxidant, antistatic agent, polyethylene wax and calcium stearate according to weight components, melting and mixing uniformly at high temperature, and then extruding and granulating by a double-screw extruder to prepare the spraying-free polypropylene composite master batch;
step four: preparation of spraying-free polypropylene composite material
And injection molding the spraying-free polypropylene master batch to prepare the spraying-free polypropylene composite material.
Preferably, in the third step, the rotating speed of the main machine of the double-screw extruder is 350-400 r/min.
Preferably, in the third step, the head extrusion temperature of the double-screw extruder is 150-205 ℃.
The invention also discloses application of the spray-free polypropylene composite material in the field of interior and exterior parts of automobiles.
The invention has the following advantages:
(1) according to the invention, the impact strength of the spray-free polypropylene composite material is remarkably improved by adding the modified toughening impact-resistant master batch, in the modified toughening impact-resistant master batch, the talcum powder and the silicon nitride whisker are mixed with the polyolefin elastomer with excellent elasticity after being modified by the titanate coupling agent to prepare the master batch, the talcum powder is used as a reinforcing filler and has lubricating property, and is matched with white oil to improve the dispersion effect of the silicon nitride whisker, and the silicon nitride whisker has the advantages of excellent high temperature resistance, high strength, high modulus, low expansion, good chemical stability and the like, and is matched with the talcum powder to increase the stability of the shape of a product, improve the impact strength of the composite material, and the polyolefin elastomer can increase the toughness of the material and reduce the brittleness of the material;
(2) according to the invention, the scratch resistance of the spray-free polypropylene composite material is remarkably improved by adding the scratch-resistant modified master batch, in the scratch-resistant modified master batch, silicone powder and diamond micro powder are mixed with a polyethylene carrier after being modified by a titanate coupling agent to prepare the master batch, the silicone powder has a good lubricating effect, the silicone powder can remarkably reduce the friction coefficient, improve the smoothness, improve the surface gloss of the material, improve the surface silky touch feeling, and improve the wear resistance and scratch resistance, meanwhile, the silicone powder can improve the dispersion effect of the diamond micro powder by matching with white oil, the diamond micro powder has ultrahigh hardness, and after the silicone powder and a small amount of diamond micro powder are used together, the friction coefficient of the surface of the material can be reduced, the hardness of the surface of the material can be improved, and further, the scratch resistance of the surface of the material is improved;
(3) in the preparation process of the spray-free polypropylene composite material, the raw materials are added in the form of master batches, so that the addition of various powder raw materials in the original process is avoided, the dust pollution is effectively reduced, and the preparation of the spray-free polypropylene material is more environment-friendly.
Detailed Description
The following examples are given for the detailed implementation and specific operation of the present invention, but the scope of the present invention is not limited to the following examples.
Example 1
Embodiment 1 discloses a spraying-free polypropylene composite material, which comprises raw materials of polypropylene, modified toughening impact resistant master batch, scratch resistant modified master batch, metal aluminum powder, maleic anhydride grafted compatilizer, antistatic agent, polyethylene wax, calcium stearate and antioxidant, wherein the raw materials comprise the following components in parts by weight:
the modified toughening impact resistant master batch comprises raw materials of polyolefin elastomer, talcum powder, silicon nitride whisker, titanate coupling agent and white oil;
the scratch-resistant modified master batch comprises raw materials of a polyethylene carrier, silicone powder, diamond micro powder, a titanate coupling agent and white oil;
the particle size of the metal aluminum powder is 5-35 microns, the antioxidant is formed by mixing an antioxidant 1010 and an antioxidant 168 according to the weight ratio of 1:1, the antistatic agent is ethoxylated aliphatic alkylamine or ethoxylated lauryl tyramine, and specifically, the maleic anhydride grafted compatilizer is one or more of PP-g-MAH;
the modified toughened impact-resistant master batch comprises the following raw materials in parts by weight:
the scratch-resistant modified master batch comprises the following raw materials in parts by weight:
the embodiment also discloses a preparation method of the spray-free polypropylene composite material, which comprises the following preparation steps:
the method comprises the following steps: preparation of modified toughened impact-resistant master batch
Weighing polyolefin elastomer, talcum powder, silicon nitride whisker, titanate coupling agent and white oil as raw materials according to weight, melting and mixing uniformly at high temperature, and then extruding and granulating by a double-screw extruder to prepare modified toughening impact-resistant master batch;
step two: preparation of scratch-resistant modified master batch
Weighing the raw materials of a polyethylene carrier, silicone powder, diamond micropowder, a titanate coupling agent and white oil according to the weight components, melting at high temperature, mixing uniformly, and then extruding and granulating by a double-screw extruder to prepare the scratch-resistant modified master batch;
step three: preparation of spraying-free polypropylene composite master batch
Weighing the raw materials of polypropylene, modified toughened impact resistant master batch, scratch resistant modified master batch, metal aluminum powder, antioxidant, antistatic agent, polyethylene wax and calcium stearate according to weight components, melting at high temperature, mixing uniformly, and then extruding and granulating by a double screw extruder to prepare the spraying-free polypropylene composite master batch;
step four: preparation of spraying-free polypropylene composite material
And injection molding the spraying-free polypropylene master batch to prepare the spraying-free polypropylene composite material.
In the third step, the rotating speed of the main machine of the double-screw extruder is 350r/min, and the extrusion temperature of the machine head of the double-screw extruder is 150 ℃.
The embodiment also discloses the application of the spraying-free polypropylene composite material in the field of interior and exterior parts of automobiles.
Example 2
Embodiment 2 discloses a spraying-free polypropylene composite material, which comprises raw materials of polypropylene, modified toughening impact resistant master batch, scratch resistant modified master batch, metal aluminum powder, maleic anhydride grafted compatilizer, antistatic agent, polyethylene wax, calcium stearate and antioxidant, wherein the raw materials comprise the following components in parts by weight:
the modified toughening impact resistant master batch comprises raw materials of polyolefin elastomer, talcum powder, silicon nitride whisker, titanate coupling agent and white oil;
the scratch-resistant modified master batch comprises raw materials of a polyethylene carrier, silicone powder, diamond micro powder, a titanate coupling agent and white oil;
the particle size of the metal aluminum powder is 5-35 microns, the antioxidant is formed by mixing an antioxidant 1010 and an antioxidant 168 according to the weight ratio of 1:1, the antistatic agent is ethoxylated aliphatic alkylamine or ethoxylated lauryl tyramine, and specifically, the maleic anhydride grafted compatilizer is PP-g-MAH;
the modified toughened impact-resistant master batch comprises the following raw materials in parts by weight:
the scratch-resistant modified master batch comprises the following raw materials in parts by weight:
the embodiment also discloses a preparation method of the spraying-free polypropylene composite material, which comprises the following preparation steps:
the method comprises the following steps: preparation of modified toughened impact-resistant master batch
Weighing polyolefin elastomer, talcum powder, silicon nitride whisker, titanate coupling agent and white oil as raw materials according to weight, melting and mixing uniformly at high temperature, and then extruding and granulating by a double-screw extruder to prepare modified toughening impact-resistant master batch;
step two: preparation of scratch-resistant modified master batch
Weighing the raw materials of a polyethylene carrier, silicone powder, diamond micropowder, a titanate coupling agent and white oil according to the weight components, melting at high temperature, mixing uniformly, and then extruding and granulating by a double-screw extruder to prepare the scratch-resistant modified master batch;
step three: preparation of spraying-free polypropylene composite master batch
Weighing the raw materials of polypropylene, modified toughened impact resistant master batch, scratch resistant modified master batch, metal aluminum powder, antioxidant, antistatic agent, polyethylene wax and calcium stearate according to weight components, melting at high temperature, mixing uniformly, and then extruding and granulating by a double screw extruder to prepare the spraying-free polypropylene composite master batch;
step four: preparation of spraying-free polypropylene composite material
And injection molding the spraying-free polypropylene master batch to prepare the spraying-free polypropylene composite material.
In the third step, the rotating speed of the main machine of the double-screw extruder is 350r/min, and the extrusion temperature of the machine head of the double-screw extruder is 150 ℃.
The embodiment also discloses the application of the spraying-free polypropylene composite material in the field of interior and exterior parts of automobiles.
Example 3
Embodiment 3 discloses a spraying-free polypropylene composite material, which comprises raw materials of polypropylene, modified toughening impact resistant master batch, scratch resistant modified master batch, metal aluminum powder, maleic anhydride grafted compatilizer, antistatic agent, polyethylene wax, calcium stearate and antioxidant, wherein the raw materials comprise the following components in parts by weight:
the modified toughening impact resistant master batch comprises raw materials of polyolefin elastomer, talcum powder, silicon nitride whisker, titanate coupling agent and white oil;
the scratch-resistant modified master batch comprises raw materials of a polyethylene carrier, silicone powder, diamond micropowder, a titanate coupling agent and white oil;
the particle size of the metal aluminum powder is 5-35 microns, the antioxidant is formed by mixing an antioxidant 1010 and an antioxidant 168 according to the weight ratio of 1:1, the antistatic agent is ethoxylated aliphatic alkylamine or ethoxylated lauryl tyramine, and specifically, the maleic anhydride grafted compatilizer is one or more of PP-g-MAH;
the modified toughened impact-resistant master batch comprises the following raw materials in parts by weight:
the scratch-resistant modified master batch comprises the following raw materials in parts by weight:
the embodiment also discloses a preparation method of the spray-free polypropylene composite material, which comprises the following preparation steps:
the method comprises the following steps: preparation of modified toughened impact-resistant master batch
Weighing polyolefin elastomer, talcum powder, silicon nitride whisker, titanate coupling agent and white oil as raw materials according to weight, melting and mixing uniformly at high temperature, and then extruding and granulating by a double-screw extruder to prepare modified toughening impact-resistant master batch;
step two: preparation of scratch-resistant modified master batch
Weighing the raw materials of a polyethylene carrier, silicone powder, diamond micropowder, a titanate coupling agent and white oil according to the weight components, melting at high temperature, mixing uniformly, and then extruding and granulating by a double-screw extruder to prepare the scratch-resistant modified master batch;
step three: preparation of spraying-free polypropylene composite master batch
Weighing the raw materials of polypropylene, modified toughened impact resistant master batch, scratch resistant modified master batch, metal aluminum powder, antioxidant, antistatic agent, polyethylene wax and calcium stearate according to weight components, melting at high temperature, mixing uniformly, and then extruding and granulating by a double screw extruder to prepare the spraying-free polypropylene composite master batch;
step four: preparation of spraying-free polypropylene composite material
And injection molding the spraying-free polypropylene master batch to prepare the spraying-free polypropylene composite material.
In the third step, the rotating speed of the main machine of the double-screw extruder is 350r/min, and the extrusion temperature of the machine head of the double-screw extruder is 150 ℃.
The embodiment also discloses the application of the spraying-free polypropylene composite material in the field of interior and exterior parts of automobiles.
Example 4
Embodiment 4 discloses a spraying-free polypropylene composite material, which comprises raw materials of polypropylene, a modified toughening impact resistant master batch, a scratch resistant modified master batch, metal aluminum powder, a maleic anhydride grafted compatilizer, an antistatic agent, polyethylene wax, calcium stearate and an antioxidant, wherein the raw materials comprise the following components in parts by weight:
the modified toughening impact resistant master batch comprises raw materials of polyolefin elastomer, talcum powder, silicon nitride whisker, titanate coupling agent and white oil;
the scratch-resistant modified master batch comprises raw materials of a polyethylene carrier, silicone powder, diamond micro powder, a titanate coupling agent and white oil;
the particle size of the metal aluminum powder is 5-35 microns, the antioxidant is formed by mixing an antioxidant 1010 and an antioxidant 168 according to the weight ratio of 1:1, the antistatic agent is ethoxylated aliphatic alkylamine or ethoxylated lauryl tyramine, and specifically, the maleic anhydride grafted compatilizer is formed by mixing PP-g-MAH and POE-g-MAH;
the modified toughened impact-resistant master batch comprises the following raw materials in parts by weight:
the scratch-resistant modified master batch comprises the following raw materials in parts by weight:
the embodiment also discloses a preparation method of the spray-free polypropylene composite material, which comprises the following preparation steps:
the method comprises the following steps: preparation of modified toughened impact-resistant master batch
Weighing polyolefin elastomer, talcum powder, silicon nitride whisker, titanate coupling agent and white oil as raw materials according to weight, melting and mixing uniformly at high temperature, and then extruding and granulating by a double-screw extruder to prepare modified toughening impact-resistant master batch;
step two: preparation of scratch-resistant modified master batch
Weighing the raw materials of a polyethylene carrier, silicone powder, diamond micropowder, a titanate coupling agent and white oil according to the weight components, melting at high temperature, mixing uniformly, and then extruding and granulating by a double-screw extruder to prepare the scratch-resistant modified master batch;
step three: preparation of spraying-free polypropylene composite master batch
Weighing the raw materials of polypropylene, modified toughened impact resistant master batch, scratch resistant modified master batch, metal aluminum powder, antioxidant, antistatic agent, polyethylene wax and calcium stearate according to weight components, melting at high temperature, mixing uniformly, and then extruding and granulating by a double screw extruder to prepare the spraying-free polypropylene composite master batch;
step four: preparation of spraying-free polypropylene composite material
And injection molding the spraying-free polypropylene master batch to prepare the spraying-free polypropylene composite material.
In the third step, the main machine rotating speed of the double-screw extruder is 375r/min, and the head extrusion temperature of the double-screw extruder is 180 ℃.
The embodiment also discloses the application of the spraying-free polypropylene composite material in the field of interior and exterior parts of automobiles.
Example 5
Embodiment 5 discloses a spray-free polypropylene composite material, which comprises raw materials of polypropylene, modified toughening impact resistant master batch, scratch resistant modified master batch, metal aluminum powder, maleic anhydride grafted compatilizer, antistatic agent, polyethylene wax, calcium stearate and antioxidant, wherein the raw materials comprise the following components in parts by weight:
the modified toughening impact resistant master batch comprises raw materials of polyolefin elastomer, talcum powder, silicon nitride whisker, titanate coupling agent and white oil;
the scratch-resistant modified master batch comprises raw materials of a polyethylene carrier, silicone powder, diamond micro powder, a titanate coupling agent and white oil;
the particle size of the metal aluminum powder is 5-35 microns, the antioxidant is formed by mixing an antioxidant 1010 and an antioxidant 168 according to the weight ratio of 1:1, the antistatic agent is ethoxylated aliphatic alkylamine or ethoxylated lauryl tyramine, and specifically, the maleic anhydride grafted compatilizer is formed by mixing PP-g-MAH and POE-g-MAH;
the modified toughened impact-resistant master batch comprises the following raw materials in parts by weight:
the scratch-resistant modified master batch comprises the following raw materials in parts by weight:
the embodiment also discloses a preparation method of the spray-free polypropylene composite material, which comprises the following preparation steps:
the method comprises the following steps: preparation of modified toughened impact-resistant master batch
Weighing the polyolefin elastomer, the talcum powder, the silicon nitride whisker, the titanate coupling agent and the white oil which are used as raw materials according to the weight components, melting and mixing the raw materials at a high temperature uniformly, and then extruding and granulating the mixture by a double-screw extruder to prepare modified toughening impact-resistant master batch;
step two: preparation of scratch-resistant modified master batch
Weighing the raw materials of a polyethylene carrier, silicone powder, diamond micropowder, a titanate coupling agent and white oil according to the weight components, melting at high temperature, mixing uniformly, and then extruding and granulating by a double-screw extruder to prepare the scratch-resistant modified master batch;
step three: preparation of spraying-free polypropylene composite master batch
Weighing the raw materials of polypropylene, modified toughened impact resistant master batch, scratch resistant modified master batch, metal aluminum powder, antioxidant, antistatic agent, polyethylene wax and calcium stearate according to weight components, melting at high temperature, mixing uniformly, and then extruding and granulating by a double screw extruder to prepare the spraying-free polypropylene composite master batch;
step four: preparation of spraying-free polypropylene composite material
And injection molding the spraying-free polypropylene master batch to prepare the spraying-free polypropylene composite material.
In the third step, the main machine rotating speed of the double-screw extruder is 375r/min, and the extrusion temperature of the machine head of the double-screw extruder is 180 ℃.
The embodiment also discloses the application of the spraying-free polypropylene composite material in the field of interior and exterior parts of automobiles.
Example 6
Embodiment 6 discloses a spray-free polypropylene composite material, which comprises raw materials of polypropylene, modified toughening impact resistant master batch, scratch resistant modified master batch, metal aluminum powder, maleic anhydride grafted compatilizer, antistatic agent, polyethylene wax, calcium stearate and antioxidant, wherein the raw materials comprise the following components in parts by weight:
the modified toughening impact resistant master batch comprises raw materials of a polyolefin elastomer, talcum powder, silicon nitride whiskers, a titanate coupling agent and white oil;
the scratch-resistant modified master batch comprises raw materials of a polyethylene carrier, silicone powder, diamond micropowder, a titanate coupling agent and white oil;
the particle size of the metal aluminum powder is 5-35 microns, the antioxidant is formed by mixing an antioxidant 1010 and an antioxidant 168 according to the weight ratio of 1:1, the antistatic agent is ethoxylated aliphatic alkylamine or ethoxylated lauryl tyramine, and specifically, the maleic anhydride grafting compatilizer is one or more of PP-g-MAH, POE-g-MAH and PE-g-MAH;
the modified toughened impact-resistant master batch comprises the following raw materials in parts by weight:
the scratch-resistant modified master batch comprises the following raw materials in parts by weight:
the embodiment also discloses a preparation method of the spray-free polypropylene composite material, which comprises the following preparation steps:
the method comprises the following steps: preparation of modified toughened impact-resistant master batch
Weighing polyolefin elastomer, talcum powder, silicon nitride whisker, titanate coupling agent and white oil as raw materials according to weight, melting and mixing uniformly at high temperature, and then extruding and granulating by a double-screw extruder to prepare modified toughening impact-resistant master batch;
step two: preparation of scratch-resistant modified master batch
Weighing the raw materials of a polyethylene carrier, silicone powder, diamond micropowder, a titanate coupling agent and white oil according to the weight components, melting at high temperature, mixing uniformly, and then extruding and granulating by a double-screw extruder to prepare the scratch-resistant modified master batch;
step three: preparation of spraying-free polypropylene composite master batch
Weighing the raw materials of polypropylene, modified toughened impact resistant master batch, scratch resistant modified master batch, metal aluminum powder, antioxidant, antistatic agent, polyethylene wax and calcium stearate according to weight components, melting at high temperature, mixing uniformly, and then extruding and granulating by a double screw extruder to prepare the spraying-free polypropylene composite master batch;
step four: preparation of spraying-free polypropylene composite material
And injection molding the spraying-free polypropylene master batch to prepare the spraying-free polypropylene composite material.
In the third step, the rotating speed of the main machine of the double-screw extruder is 400r/min, and the extrusion temperature of the machine head of the double-screw extruder is 205 ℃.
The embodiment also discloses the application of the spraying-free polypropylene composite material in the field of interior and exterior parts of automobiles.
Comparative example
The comparative example is the existing spray-free polypropylene material for the interior and exterior trim parts of the automobile, and the main raw materials of the spray-free polypropylene material comprise polypropylene, polyolefin elastomer, talcum powder, metal aluminum powder, compatilizer and antioxidant.
The tensile strength, flexural modulus, notch impact strength and scratch resistance of the spray-free polypropylene composite materials prepared in examples 1 to 6 of the present application and the conventional spray-free polypropylene material in the comparative example were respectively measured, and the experimental data are recorded in the following table:
TABLE 1 Performance test data sheet for spray-free polypropylene composites
The tensile strength is detected according to standard ISO 527, the flexural modulus is detected according to standard ISO 178, the notch impact strength is detected according to standard ISO 180, and the scratch resistance is detected according to standard PV 3952.
From the above table, it can be seen that the tensile strength, the flexural modulus, the notch impact strength and the scratch resistance of the spray-free polypropylene composite material prepared in the embodiments 1 to 6 of the present application are all significantly improved compared with the existing spray-free polypropylene composite material in the comparative example, and through the embodiments 1 and 2, it can be seen that when the addition amount of the scratch-resistant modified master batch is increased, the scratch resistance of the spray-free polypropylene composite material is significantly improved, and the tensile strength, the flexural modulus and the notch impact strength of the spray-free polypropylene composite material are not significantly improved, and through the embodiments 1 and 3, it can be seen that when the addition amount of the modified toughening impact-resistant master batch is increased, the tensile strength, the flexural modulus and the notch impact strength of the spray-free polypropylene composite material are significantly improved, and the scratch resistance of the spray-free polypropylene composite material is not significantly improved, through the embodiment 4 and the embodiment 5, it can be seen that when the addition amounts of the modified toughening impact-resistant master batch and the scratch-resistant modified master batch are simultaneously increased, the tensile strength, the flexural modulus, the notch impact strength and the scratch resistance of the spray-free polypropylene composite material can be remarkably improved.
In conclusion, the modified toughening impact-resistant master batch and the scratch-resistant modified master batch are added into the raw materials of the spray-free polypropylene composite material, so that the impact strength, the scratch resistance, the tensile strength and the bending strength of the spray-free polypropylene composite material are obviously improved.
Claims (10)
1. The spraying-free polypropylene composite material is characterized by comprising raw materials of polypropylene, modified and toughened impact-resistant master batches, scratch-resistant modified master batches, metal aluminum powder, maleic anhydride grafted compatilizer, antistatic agent, polyethylene wax, calcium stearate and antioxidant, wherein the raw materials comprise the following components in parts by weight:
the modified toughening impact resistant master batch comprises raw materials of a polyolefin elastomer, talcum powder, silicon nitride whiskers, a titanate coupling agent and white oil;
the scratch-resistant modified master batch comprises raw materials of a polyethylene carrier, silicone powder, diamond micro powder, a titanate coupling agent and white oil.
2. The spray-free polypropylene composite material of claim 1, wherein the modified toughening impact resistant master batch comprises the following raw materials in parts by weight:
3. the spraying-free polypropylene composite material of claim 1, wherein the scratch-resistant modified master batch comprises the following raw materials in parts by weight:
4. the spray-free polypropylene composite material of claim 1, wherein the particle size of the metal aluminum powder is 5-35 μm.
5. The spray-free polypropylene composite material as claimed in claim 1, wherein the antioxidant is prepared by mixing an antioxidant 1010 and an antioxidant 168 according to a weight ratio of 1: 1.
6. The spray free polypropylene composite of claim 1, wherein the antistatic agent is ethoxylated fatty alkylamine or ethoxylated lauryl tyramine.
7. A method for preparing a spray-free polypropylene composite material according to any one of claims 1 to 6, comprising the following steps:
the method comprises the following steps: preparation of modified toughened impact-resistant master batch
Weighing polyolefin elastomer, talcum powder, silicon nitride whisker, titanate coupling agent and white oil as raw materials according to weight, melting and mixing uniformly at high temperature, and then extruding and granulating by a double-screw extruder to prepare modified toughening impact-resistant master batch;
step two: preparation of scratch-resistant modified master batch
Weighing the raw materials of a polyethylene carrier, silicone powder, diamond micropowder, a titanate coupling agent and white oil according to the weight components, melting at high temperature, mixing uniformly, and then extruding and granulating by a double-screw extruder to prepare the scratch-resistant modified master batch;
step three: preparation of spraying-free polypropylene composite master batch
Weighing the raw materials of polypropylene, modified toughened impact resistant master batch, scratch resistant modified master batch, metal aluminum powder, antioxidant, antistatic agent, polyethylene wax and calcium stearate according to weight components, melting at high temperature, mixing uniformly, and then extruding and granulating by a double screw extruder to prepare the spraying-free polypropylene composite master batch;
step four: preparation of spraying-free polypropylene composite material
And injection molding the spraying-free polypropylene master batch to prepare the spraying-free polypropylene composite material.
8. The preparation method of the spray-free polypropylene composite material as claimed in claim 7, wherein in the third step, the main machine rotation speed of the twin-screw extruder is 350-400 r/min.
9. The preparation method of the spray-free polypropylene composite material as claimed in claim 7, wherein in the third step, the head extrusion temperature of the twin-screw extruder is 150-205 ℃.
10. Use of a spray-free polypropylene composite according to any one of claims 1 to 6 in the field of automotive interior and exterior trim parts.
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