CN105837945A - Reinforced polypropylene composite material and preparation method thereof - Google Patents
Reinforced polypropylene composite material and preparation method thereof Download PDFInfo
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- CN105837945A CN105837945A CN201610390297.6A CN201610390297A CN105837945A CN 105837945 A CN105837945 A CN 105837945A CN 201610390297 A CN201610390297 A CN 201610390297A CN 105837945 A CN105837945 A CN 105837945A
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- 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
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92009—Measured parameter
- B29C2948/92085—Velocity
- B29C2948/92095—Angular velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92009—Measured parameter
- B29C2948/92209—Temperature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention provides a reinforced polypropylene composite material and a preparation method thereof. The preparation method of the reinforced polypropylene composite material includes the steps of (1) mixing vinyl trimethoxy silane, gamma-aminopropyltriethoxysilane, acetone and isopropanol, and stirring by a magnetic stirrer for 20-40 minutes; (2), adding calcium carbonate whiskers and hydroxyapatite whiskers with stirring for 40-60 minutes; (3), standing for 12 hours, filtering and discarding filtrate; (4), drying a filtered product in a drying oven at 60-80 DEG C; (5), mixing a dried product with polypropylene, polyvinyl chloride, polymethyl acrylate, diisobutyl phthalate, epoxidized soybean oil, ethylene brs-stearamide, zinc stearate and N-phenyl-beta-naphthamine, and stirring by a high-speed mixer for 5-10 minutes; (6), subjecting a stirred product to extrusion pelletization in a twin-screw extruder; (7), subjecting a pelletized product to injection molding in an injection molding machine. The reinforced polypropylene composite material has the advantages of excellent mechanical property, high toughness and high resistance to impact.
Description
Technical field
The present invention relates to Material Field, be specifically related to a kind of enhanced polypropylene composite and preparation method thereof.
Background technology
Along with the fast development of economic science and technology, the development of materials industry also can be rated as rapidly, and the especially development of plastic material industry has obtained numerous concerns.Plastic material has light weight, easy-formation and the advantage such as cheap, and its application is ubiquitous, becomes all trades and professions and develops indispensable ingredient.And the material of one-component can not meet the most far away the present every profession and trade high request for the performance of material, often obtain high performance material by the compound of storeroom, composite is by two or more material of different nature, by method physically or chemically, the material with new capability of composition in macroscopic view or microcosmic.Various materials make up for each other's deficiencies and learn from each other in performance, produce cooperative effect, make the combination property of composite be better than former composition material and meet various different requirement, improve the mechanical property of material, the most even can produce beyond thought effect.Therefore, compound by by between raw material, obtain the material of dynamics enhancement type by different process and the development of every profession and trade is all had great importance.
Summary of the invention
Solve the technical problem that:It is an object of the invention to provide a kind of enhanced polypropylene composite, have good mechanical property, toughness is good, and impact resistance is strong simultaneously.
Technical scheme:A kind of enhanced polypropylene composite, is prepared from weight portion by following component: polypropylene 30-50 part, polrvinyl chloride 5-10 part, calcium carbonate crystal whisker 2-5 part, hydroxyapatite crystal whisker 2-4 part, polymethyl acrylate 1-3 part, vinyltrimethoxy silane 1-3 part, gamma-aminopropyl-triethoxy-silane 2-5 part, diisobutyl phthalate 2-4 part, epoxy soybean oil 4-8 part, ethylene bis stearamide 2-5 part, zinc stearate 1-3 part, N-Phenyl beta naphthylamine 0.5-1 part, acetone 10-20 part, isopropanol 20-40 part.
Further preferred, described a kind of enhanced polypropylene composite, it is prepared from weight portion by following component: polypropylene 35-45 part, polrvinyl chloride 6-9 part, calcium carbonate crystal whisker 3-4 part, hydroxyapatite crystal whisker 2.5-3.5 part, polymethyl acrylate 1.5-2.5 part, vinyltrimethoxy silane 1.5-2.5 part, gamma-aminopropyl-triethoxy-silane 3-4 part, diisobutyl phthalate 2.5-3.5 part, epoxy soybean oil 5-7 part, ethylene bis stearamide 3-4 part, zinc stearate 1.5-2.5 part, N-Phenyl beta naphthylamine 0.6-0.9 part, acetone 13-19 part, isopropanol 25-35 part.
The preparation method of above-mentioned enhanced polypropylene composite comprises the following steps:
(1) vinyltrimethoxy silane, gamma-aminopropyl-triethoxy-silane, acetone and isopropanol are mixed, stir 20-40 minute with magnetic stirrer；
(2) add calcium carbonate crystal whisker and hydroxyapatite crystal whisker, stir 40-60 minute；
(3) stand 12 hours, filter, discard filtrate；
(4) put in baking oven and dry at temperature 60-80 DEG C；
(5) mix with polypropylene, polrvinyl chloride, polymethyl acrylate, diisobutyl phthalate, epoxy soybean oil, ethylene bis stearamide, zinc stearate, N-Phenyl beta naphthylamine, stir 5-10 minute with homogenizer；
(6) carrying out extruding pelletization in addition double screw extruder, screw speed is 50-80r/min, and head temperature is 210-220 DEG C, and a district is 230-240 DEG C to six district's temperature, and seven district's temperature are 210-220 DEG C；
(7) through injection machine injection mo(u)lding and get final product, each section of temperature is followed successively by 200-210 DEG C, 210-220 DEG C, 200-210 DEG C.
It is further preferred that mixing time is 25-35 minute in step (1).
It is further preferred that mixing time is 45-55 minute in step (2).
It is further preferred that temperature is 65-75 DEG C in step (4).
It is further preferred that mixing time is 6-9 minute in step (5).
It is further preferred that screw speed is 60-70r/min in step (6), head temperature is 215 DEG C, and a district is 235 DEG C to six district's temperature, and seven district's temperature are 215 DEG C.
It is further preferred that each section of temperature is followed successively by 205 DEG C, 215 DEG C, 205 DEG C in step (7).
Beneficial effect:The enhanced polypropylene composite of the present invention has good mechanical property, and its hot strength reaches as high as 37.8MPa, bending strength and elongation at break and is respectively 35.2MPa and 299%, and toughness is good, and its notch impact strength is up to 9.8KJ/m simultaneously2, impact resistance is strong.
Detailed description of the invention
Embodiment 1
A kind of enhanced polypropylene composite, is prepared from weight portion by following component: polypropylene 30 parts, polrvinyl chloride 5 parts, calcium carbonate crystal whisker 2 parts, hydroxyapatite crystal whisker 2 parts, polymethyl acrylate 1 part, vinyltrimethoxy silane 1 part, gamma-aminopropyl-triethoxy-silane 2 parts, diisobutyl phthalate 2 parts, epoxy soybean oil 4 parts, ethylene bis stearamide 2 parts, zinc stearate 1 part, N-Phenyl beta naphthylamine 0.5 part, 10 parts of acetone, isopropanol 20 parts.
The preparation method of above-mentioned enhanced polypropylene composite is:
(1) vinyltrimethoxy silane, gamma-aminopropyl-triethoxy-silane, acetone and isopropanol are mixed, stir 20 minutes with magnetic stirrer；
(2) add calcium carbonate crystal whisker and hydroxyapatite crystal whisker, stir 40 minutes；
(3) stand 12 hours, filter, discard filtrate；
(4) put in baking oven and dry under temperature 60 C；
(5) mix with polypropylene, polrvinyl chloride, polymethyl acrylate, diisobutyl phthalate, epoxy soybean oil, ethylene bis stearamide, zinc stearate, N-Phenyl beta naphthylamine, stir 5 minutes with homogenizer；
(6) carrying out extruding pelletization in addition double screw extruder, screw speed is 50r/min, and head temperature is 210 DEG C, and a district is 230 DEG C to six district's temperature, and seven district's temperature are 210 DEG C；
(7) through injection machine injection mo(u)lding and get final product, each section of temperature is followed successively by 200 DEG C, 210 DEG C, 200 DEG C.
Embodiment 2
A kind of enhanced polypropylene composite, is prepared from weight portion by following component: polypropylene 35 parts, polrvinyl chloride 6 parts, calcium carbonate crystal whisker 3 parts, hydroxyapatite crystal whisker 2.5 parts, polymethyl acrylate 1.5 parts, vinyltrimethoxy silane 1.5 parts, gamma-aminopropyl-triethoxy-silane 3 parts, diisobutyl phthalate 2.5 parts, epoxy soybean oil 5 parts, ethylene bis stearamide 3 parts, zinc stearate 1.5 parts, N-Phenyl beta naphthylamine 0.6 part, 13 parts of acetone, isopropanol 25 parts.
The preparation method of above-mentioned enhanced polypropylene composite is:
(1) vinyltrimethoxy silane, gamma-aminopropyl-triethoxy-silane, acetone and isopropanol are mixed, stir 25 minutes with magnetic stirrer；
(2) add calcium carbonate crystal whisker and hydroxyapatite crystal whisker, stir 45 minutes；
(3) stand 12 hours, filter, discard filtrate；
(4) put in baking oven and dry at temperature 65 DEG C；
(5) mix with polypropylene, polrvinyl chloride, polymethyl acrylate, diisobutyl phthalate, epoxy soybean oil, ethylene bis stearamide, zinc stearate, N-Phenyl beta naphthylamine, stir 6 minutes with homogenizer；
(6) carrying out extruding pelletization in addition double screw extruder, screw speed is 60r/min, and head temperature is 215 DEG C, and a district is 235 DEG C to six district's temperature, and seven district's temperature are 215 DEG C；
(7) through injection machine injection mo(u)lding and get final product, each section of temperature is followed successively by 205 DEG C, 215 DEG C, 205 DEG C.
Embodiment 3
A kind of enhanced polypropylene composite, is prepared from weight portion by following component: polypropylene 40 parts, polrvinyl chloride 7.5 parts, calcium carbonate crystal whisker 3.5 parts, hydroxyapatite crystal whisker 3 parts, polymethyl acrylate 2 parts, vinyltrimethoxy silane 2 parts, gamma-aminopropyl-triethoxy-silane 3.5 parts, diisobutyl phthalate 3 parts, epoxy soybean oil 6 parts, ethylene bis stearamide 3.5 parts, zinc stearate 2 parts, N-Phenyl beta naphthylamine 0.75 part, 15 parts of acetone, isopropanol 30 parts.
The preparation method of above-mentioned enhanced polypropylene composite is:
(1) vinyltrimethoxy silane, gamma-aminopropyl-triethoxy-silane, acetone and isopropanol are mixed, stir 30 minutes with magnetic stirrer；
(2) add calcium carbonate crystal whisker and hydroxyapatite crystal whisker, stir 50 minutes；
(3) stand 12 hours, filter, discard filtrate；
(4) put in baking oven and dry under temperature 70 C；
(5) mix with polypropylene, polrvinyl chloride, polymethyl acrylate, diisobutyl phthalate, epoxy soybean oil, ethylene bis stearamide, zinc stearate, N-Phenyl beta naphthylamine, stir 7 minutes with homogenizer；
(6) carrying out extruding pelletization in addition double screw extruder, screw speed is 65r/min, and head temperature is 215 DEG C, and a district is 235 DEG C to six district's temperature, and seven district's temperature are 215 DEG C；
(7) through injection machine injection mo(u)lding and get final product, each section of temperature is followed successively by 205 DEG C, 215 DEG C, 205 DEG C.
Embodiment 4
A kind of enhanced polypropylene composite, is prepared from weight portion by following component: polypropylene 45 parts, polrvinyl chloride 9 parts, calcium carbonate crystal whisker 4 parts, hydroxyapatite crystal whisker 3.5 parts, polymethyl acrylate 2.5 parts, vinyltrimethoxy silane 2.5 parts, gamma-aminopropyl-triethoxy-silane 4 parts, diisobutyl phthalate 3.5 parts, epoxy soybean oil 7 parts, ethylene bis stearamide 4 parts, zinc stearate 2.5 parts, N-Phenyl beta naphthylamine 0.9 part, 19 parts of acetone, isopropanol 35 parts.
The preparation method of above-mentioned enhanced polypropylene composite is:
(1) vinyltrimethoxy silane, gamma-aminopropyl-triethoxy-silane, acetone and isopropanol are mixed, stir 35 minutes with magnetic stirrer；
(2) add calcium carbonate crystal whisker and hydroxyapatite crystal whisker, stir 55 minutes；
(3) stand 12 hours, filter, discard filtrate；
(4) put in baking oven and dry at temperature 75 DEG C；
(5) mix with polypropylene, polrvinyl chloride, polymethyl acrylate, diisobutyl phthalate, epoxy soybean oil, ethylene bis stearamide, zinc stearate, N-Phenyl beta naphthylamine, stir 9 minutes with homogenizer；
(6) carrying out extruding pelletization in addition double screw extruder, screw speed is 70r/min, and head temperature is 215 DEG C, and a district is 235 DEG C to six district's temperature, and seven district's temperature are 215 DEG C；
(7) through injection machine injection mo(u)lding and get final product, each section of temperature is followed successively by 205 DEG C, 215 DEG C, 205 DEG C.
Embodiment 5
A kind of enhanced polypropylene composite, is prepared from weight portion by following component: polypropylene 50 parts, polrvinyl chloride 10 parts, calcium carbonate crystal whisker 5 parts, hydroxyapatite crystal whisker 4 parts, polymethyl acrylate 3 parts, vinyltrimethoxy silane 3 parts, gamma-aminopropyl-triethoxy-silane 5 parts, diisobutyl phthalate 4 parts, epoxy soybean oil 8 parts, ethylene bis stearamide 5 parts, zinc stearate 3 parts, N-Phenyl beta naphthylamine 1 part, 20 parts of acetone, isopropanol 40 parts.
The preparation method of above-mentioned enhanced polypropylene composite is:
(1) vinyltrimethoxy silane, gamma-aminopropyl-triethoxy-silane, acetone and isopropanol are mixed, stir 40 minutes with magnetic stirrer；
(2) add calcium carbonate crystal whisker and hydroxyapatite crystal whisker, stir 60 minutes；
(3) stand 12 hours, filter, discard filtrate；
(4) put in baking oven and dry at temperature 80 DEG C；
(5) mix with polypropylene, polrvinyl chloride, polymethyl acrylate, diisobutyl phthalate, epoxy soybean oil, ethylene bis stearamide, zinc stearate, N-Phenyl beta naphthylamine, stir 10 minutes with homogenizer；
(6) carrying out extruding pelletization in addition double screw extruder, screw speed is 80r/min, and head temperature is 220 DEG C, and a district is 240 DEG C to six district's temperature, and seven district's temperature are 220 DEG C；
(7) through injection machine injection mo(u)lding and get final product, each section of temperature is followed successively by 210 DEG C, 220 DEG C, 210 DEG C.
Comparative example 1
The present embodiment is to replace hydroxyapatite crystal whisker with calcium carbonate crystal whisker with the difference of embodiment 5.Specifically:
A kind of enhanced polypropylene composite, is prepared from weight portion by following component: polypropylene 50 parts, polrvinyl chloride 10 parts, calcium carbonate crystal whisker 9 parts, polymethyl acrylate 3 parts, vinyltrimethoxy silane 3 parts, gamma-aminopropyl-triethoxy-silane 5 parts, diisobutyl phthalate 4 parts, epoxy soybean oil 8 parts, ethylene bis stearamide 5 parts, zinc stearate 3 parts, N-Phenyl beta naphthylamine 1 part, 20 parts of acetone, isopropanol 40 parts.
The preparation method of above-mentioned enhanced polypropylene composite is:
(1) vinyltrimethoxy silane, gamma-aminopropyl-triethoxy-silane, acetone and isopropanol are mixed, stir 40 minutes with magnetic stirrer；
(2) add calcium carbonate crystal whisker, stir 60 minutes；
(3) stand 12 hours, filter, discard filtrate；
(4) put in baking oven and dry at temperature 80 DEG C；
(5) mix with polypropylene, polrvinyl chloride, polymethyl acrylate, diisobutyl phthalate, epoxy soybean oil, ethylene bis stearamide, zinc stearate, N-Phenyl beta naphthylamine, stir 10 minutes with homogenizer；
(6) carrying out extruding pelletization in addition double screw extruder, screw speed is 80r/min, and head temperature is 220 DEG C, and a district is 240 DEG C to six district's temperature, and seven district's temperature are 220 DEG C；
(7) through injection machine injection mo(u)lding and get final product, each section of temperature is followed successively by 210 DEG C, 220 DEG C, 210 DEG C.
Comparative example 2
The present embodiment is to replace calcium carbonate crystal whisker with hydroxyapatite crystal whisker with the difference of embodiment 5.Specifically:
A kind of enhanced polypropylene composite, is prepared from weight portion by following component: polypropylene 50 parts, polrvinyl chloride 10 parts, hydroxyapatite crystal whisker 9 parts, polymethyl acrylate 3 parts, vinyltrimethoxy silane 3 parts, gamma-aminopropyl-triethoxy-silane 5 parts, diisobutyl phthalate 4 parts, epoxy soybean oil 8 parts, ethylene bis stearamide 5 parts, zinc stearate 3 parts, N-Phenyl beta naphthylamine 1 part, 20 parts of acetone, isopropanol 40 parts.
The preparation method of above-mentioned enhanced polypropylene composite is:
(1) vinyltrimethoxy silane, gamma-aminopropyl-triethoxy-silane, acetone and isopropanol are mixed, stir 40 minutes with magnetic stirrer；
(2) add hydroxyapatite crystal whisker, stir 60 minutes；
(3) stand 12 hours, filter, discard filtrate；
(4) put in baking oven and dry at temperature 80 DEG C；
(5) mix with polypropylene, polrvinyl chloride, polymethyl acrylate, diisobutyl phthalate, epoxy soybean oil, ethylene bis stearamide, zinc stearate, N-Phenyl beta naphthylamine, stir 10 minutes with homogenizer；
(6) carrying out extruding pelletization in addition double screw extruder, screw speed is 80r/min, and head temperature is 220 DEG C, and a district is 240 DEG C to six district's temperature, and seven district's temperature are 220 DEG C；
(7) through injection machine injection mo(u)lding and get final product, each section of temperature is followed successively by 210 DEG C, 220 DEG C, 210 DEG C.
Table 1 below is embodiment and the partial properties index of comparative example of material of the present invention, it may be seen that, the present invention has good mechanical property, its hot strength reaches as high as 37.8MPa, bending strength and elongation at break are respectively 35.2MPa and 299%, toughness is good, and its notch impact strength is up to 9.8KJ/m simultaneously2, impact resistance is strong.
The performance indications of table 1 enhanced polypropylene composite
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Comparative example 1 | Comparative example 2 | |
| Hot strength (MPa) | 37.4 | 37.5 | 37.6 | 37.8 | 37.6 | 33.7 | 35.6 |
| Bending strength (MPa) | 34.6 | 34.8 | 34.9 | 35.2 | 35.1 | 32.1 | 33.2 |
| Elongation at break (%) | 287 | 291 | 294 | 299 | 292 | 271 | 262 |
| Notch impact strength (KJ/m2) | 9.6 | 9.7 | 9.7 | 9.8 | 9.7 | 9.1 | 8.8 |
Claims (9)
1. an enhanced polypropylene composite, it is characterised in that: it is prepared from weight portion by following component: polypropylene 30-50 part, polrvinyl chloride 5-10 part, calcium carbonate crystal whisker 2-5 part, hydroxyapatite crystal whisker 2-4 part, polymethyl acrylate 1-3 part, vinyltrimethoxy silane 1-3 part, gamma-aminopropyl-triethoxy-silane 2-5 part, diisobutyl phthalate 2-4 part, epoxy soybean oil 4-8 part, ethylene bis stearamide 2-5 part, zinc stearate 1-3 part, N-Phenyl beta naphthylamine 0.5-1 part, acetone 10-20 part, isopropanol 20-40 part.
A kind of enhanced polypropylene composite the most according to claim 1, it is characterized in that: be prepared from weight portion by following component: polypropylene 35-45 part, polrvinyl chloride 6-9 part, calcium carbonate crystal whisker 3-4 part, hydroxyapatite crystal whisker 2.5-3.5 part, polymethyl acrylate 1.5-2.5 part, vinyltrimethoxy silane 1.5-2.5 part, gamma-aminopropyl-triethoxy-silane 3-4 part, diisobutyl phthalate 2.5-3.5 part, epoxy soybean oil 5-7 part, ethylene bis stearamide 3-4 part, zinc stearate 1.5-2.5 part, N-Phenyl beta naphthylamine 0.6-0.9 part, acetone 13-19 part, isopropanol 25-35 part.
3. the preparation method of a kind of enhanced polypropylene composite described in any one of claim 1 to 2, it is characterised in that: comprise the following steps:
(1) vinyltrimethoxy silane, gamma-aminopropyl-triethoxy-silane, acetone and isopropanol are mixed, stir 20-40 minute with magnetic stirrer；
(2) add calcium carbonate crystal whisker and hydroxyapatite crystal whisker, stir 40-60 minute；
(3) stand 12 hours, filter, discard filtrate；
(4) put in baking oven and dry at temperature 60-80 DEG C；
(5) mix with polypropylene, polrvinyl chloride, polymethyl acrylate, diisobutyl phthalate, epoxy soybean oil, ethylene bis stearamide, zinc stearate, N-Phenyl beta naphthylamine, stir 5-10 minute with homogenizer；
(6) carrying out extruding pelletization in addition double screw extruder, screw speed is 50-80r/min, and head temperature is 210-220 DEG C, and a district is 230-240 DEG C to six district's temperature, and seven district's temperature are 210-220 DEG C；
(7) through injection machine injection mo(u)lding and get final product, each section of temperature is followed successively by 200-210 DEG C, 210-220 DEG C, 200-210 DEG C.
The preparation method of a kind of enhanced polypropylene composite the most according to claim 3, it is characterised in that: in described step (1), mixing time is 25-35 minute.
The preparation method of a kind of enhanced polypropylene composite the most according to claim 3, it is characterised in that: in described step (2), mixing time is 45-55 minute.
The preparation method of a kind of enhanced polypropylene composite the most according to claim 3, it is characterised in that: in described step (4), temperature is 65-75 DEG C.
The preparation method of a kind of enhanced polypropylene composite the most according to claim 3, it is characterised in that: in described step (5), mixing time is 6-9 minute.
The preparation method of a kind of enhanced polypropylene composite the most according to claim 3, it is characterised in that: in described step (6), screw speed is 60-70r/min, and head temperature is 215 DEG C, and a district is 235 DEG C to six district's temperature, and seven district's temperature are 215 DEG C.
The preparation method of a kind of enhanced polypropylene composite the most according to claim 3, it is characterised in that: in described step (7), each section of temperature is followed successively by 205 DEG C, 215 DEG C, 205 DEG C.
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| CN201610390297.6A CN105837945A (en) | 2016-06-06 | 2016-06-06 | Reinforced polypropylene composite material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106674732A (en) * | 2016-12-13 | 2017-05-17 | 安徽省金正塑业有限公司 | High-toughness and high-hardness polypropylene plastic |
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|---|---|---|---|---|
| CN104194218A (en) * | 2014-09-01 | 2014-12-10 | 康泰塑胶科技集团有限公司 | Polyethylene-polyvinyl chloride blend-modified tube and preparation method thereof |
| CN104861287A (en) * | 2015-04-18 | 2015-08-26 | 济源市中原化工有限公司 | Whisker-modifying PP composite material used for automobile meter desk and preparation method thereof |
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2016
- 2016-06-06 CN CN201610390297.6A patent/CN105837945A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104194218A (en) * | 2014-09-01 | 2014-12-10 | 康泰塑胶科技集团有限公司 | Polyethylene-polyvinyl chloride blend-modified tube and preparation method thereof |
| CN104861287A (en) * | 2015-04-18 | 2015-08-26 | 济源市中原化工有限公司 | Whisker-modifying PP composite material used for automobile meter desk and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106674732A (en) * | 2016-12-13 | 2017-05-17 | 安徽省金正塑业有限公司 | High-toughness and high-hardness polypropylene plastic |
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Application publication date: 20160810 |