CN105482294A - Impact-resistant polyvinyl chloride composite used for instruments and preparation method of impact-resistant polyvinyl chloride composite - Google Patents

Impact-resistant polyvinyl chloride composite used for instruments and preparation method of impact-resistant polyvinyl chloride composite Download PDF

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Publication number
CN105482294A
CN105482294A CN201510932395.3A CN201510932395A CN105482294A CN 105482294 A CN105482294 A CN 105482294A CN 201510932395 A CN201510932395 A CN 201510932395A CN 105482294 A CN105482294 A CN 105482294A
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parts
polyvinyl chloride
chloride composite
composite materials
ethylene
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郑春秋
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Suzhou Xindejie Electronics Co Ltd
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Suzhou Xindejie Electronics Co Ltd
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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
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • 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
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/062—HDPE

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention provides an impact-resistant polyvinyl chloride composite used for instruments and a preparation method of the impact-resistant polyvinyl chloride composite. The composite is prepared from, by weight, polyvinyl chloride resin, high density polyethylene resin, polyformaldehyde, ethylene bis stearamide, nitric acid dimethyl octadecyl hydroxyethyl ammonium, ethylene-octene copolymer, nanometer magnesium carbonate, silica powder, pentaerythritol stearate, lanthanum oxysulfide, manganese sulfate, n-butyl acrylate, n-butyl acrylate and copper thiocarbamic acid. The prepared polyvinyl chloride composite does not change even after being placed in a xylene solution with the temperature of 80 DEG C for 15 days, and the good corrosion resistance is shown. In addition, it is measured through tests that the impact strength of the polyvinyl chloride composite is higher than 45 KJ/m<2>, and good impact resistance is shown; meanwhile, the measured tensile strength is 24-32 MPa, and actual application requirements are met.

Description

A kind of instrument shock resistance polyvinyl chloride composite materials and preparation method thereof
Technical field
The invention belongs to field of compound material, be specifically related to a kind of instrument shock resistance polyvinyl chloride composite materials and preparation method thereof.
Background technology
At present, the housing of the instrument of traditional mobile electric product is generally prepared by macromolecular material and forms, although its quality is light, can save energy and cost low, but because macromolecular material ubiquity physical strength, erosion resistance and chemical stability are not good, and cause work-ing life short, add extra use cost.In addition, along with the raising of people's living standard and the development of science and technology, have higher requirement to the performance of instrument, this is also for instrument material brings new challenge.Given this, need to provide a kind of physical strength good, and corrosion-resistant and instrument matrix material that is chemical-resistant stability.
Summary of the invention
The technical problem solved is: in order at least one solved the problems of the technologies described above, and provides a kind of instrument shock resistance polyvinyl chloride composite materials and preparation method thereof.
Technical scheme: in order to solve the problem, the invention provides a kind of instrument shock resistance polyvinyl chloride composite materials, is prepared from by following raw material, counts by weight:
Polyvinyl chloride (PVC) RESINS 53 ~ 76 parts, high-density polyethylene resin 25 ~ 40 parts, polyoxymethylene 12 ~ 23 parts, ethylene bis stearic amide 9 ~ 16 parts, nitric acid dimethyl stearyl hydroxyethyl ammonium 6 ~ 16 parts, ethylene-octene copolymer 5 ~ 11 parts, 4 ~ 10 parts, nano-calcium carbonate magnesium, silicon powder 3 ~ 9 parts, pentaerythritol stearate 7 ~ 15 parts, sulphur lanthanum trioxide 5 ~ 10 parts, manganous sulfate 4 ~ 9 parts, n-butyl acrylate 3 ~ 8 parts, 6 ~ 13 parts, fluorochemical, thiocarbamate copper 4 ~ 10 parts.
Preferably, a kind of instrument shock resistance polyvinyl chloride composite materials, is prepared from by following raw material, counts by weight:
Polyvinyl chloride (PVC) RESINS 60 ~ 76 parts, high-density polyethylene resin 28 ~ 40 parts, polyoxymethylene 14 ~ 23 parts, ethylene bis stearic amide 11 ~ 16 parts, nitric acid dimethyl stearyl hydroxyethyl ammonium 9 ~ 16 parts, ethylene-octene copolymer 7 ~ 11 parts, 6 ~ 10 parts, nano-calcium carbonate magnesium, silicon powder 4 ~ 9 parts, pentaerythritol stearate 7 ~ 12 parts, sulphur lanthanum trioxide 6 ~ 10 parts, manganous sulfate 5 ~ 9 parts, n-butyl acrylate 5 ~ 8 parts, 7 ~ 13 parts, fluorochemical, thiocarbamate copper 4 ~ 8 parts.
Further, preferably, a kind of instrument shock resistance polyvinyl chloride composite materials, is prepared from by following raw material, counts by weight:
Polyvinyl chloride (PVC) RESINS 72 parts, high-density polyethylene resin 30 parts, polyoxymethylene 18 parts, ethylene bis stearic amide 14 parts, nitric acid dimethyl stearyl hydroxyethyl ammonium 12 parts, ethylene-octene copolymer 9 parts, 8 parts, nano-calcium carbonate magnesium, silicon powder 6 parts, pentaerythritol stearate 9 parts, sulphur lanthanum trioxide 8 parts, manganous sulfate 7 parts, n-butyl acrylate 6 parts, 10 parts, fluorochemical, thiocarbamate copper 7 parts.
Preferably, described fluorochemical is perfluoro polyether oil or tetrafluoroethylene.
The preparation method of a kind of instrument shock resistance polyvinyl chloride composite materials described above, comprises following preparation process:
(1) weigh according to described parts by weight;
(2) sulphur lanthanum trioxide, manganous sulfate, nano-calcium carbonate magnesium, fluorochemical, thiocarbamate copper and silicon powder are joined in homogenizer, at 45 ~ 70 DEG C, stir 45min ~ 60min, add polyoxymethylene, ethylene bis stearic amide, polyvinyl chloride (PVC) RESINS, high-density polyethylene resin, nitric acid dimethyl stearyl hydroxyethyl ammonium, ethylene-octene copolymer, n-butyl acrylate and pentaerythritol stearate more successively, after stirring 1 ~ 2h, obtain compound;
(3) put in twin screw extruder by above-mentioned compound, be 150 ~ 400rpm at screw speed, temperature is 190 ~ 260 DEG C, melt extrudes granulation;
(4) material through extruding pelletization in step (3) is placed in mould, the compression molding demoulding, obtains polyvinyl chloride composite materials.
Preferably, the extrusion condition in described twin screw extruder is: 180 ~ 190 DEG C, a district, two 200 ~ 220 DEG C, districts, three 230 ~ 260 DEG C, districts, and four 210 ~ 220 DEG C, districts, the frequency that feeds intake is 20 ~ 30Hz.
Preferably, the pressure of described compression molding is 25MPa.
Preferably, the extrusion condition in described twin screw extruder is: 185 DEG C, a district, two 210 DEG C, districts, three 250 DEG C, districts, and four 217 DEG C, districts, the frequency that feeds intake is 24Hz.
The present invention has following beneficial effect: the polyvinyl chloride composite materials prepared by the present invention is still unchanged after 15 days at 80 DEG C of xylene solutions, shows good corrosion resistance nature, and test records the shock strength of this polyvinyl chloride composite materials higher than 45KJ/m in addition 2, show good shock resistance, the tensile strength simultaneously recorded is 24 ~ 32MPa, meets practical application request.In test result explicit declaration nanocomposite constituents, fluorochemical, sulphur lanthanum trioxide and ethylene bis stearic amide all have impact to the erosion resistance of material, mechanical property.
Embodiment
In order to understand the present invention further, below in conjunction with embodiment, invention specific embodiments is described, but should be appreciated that these describe just for further illustrating the features and advantages of the present invention, instead of limiting to the claimed invention.
Embodiment 1
A preparation method for instrument shock resistance polyvinyl chloride composite materials, comprises following preparation process:
(1) weigh according to described parts by weight, count by weight: polyvinyl chloride (PVC) RESINS 53 parts, high-density polyethylene resin 25 parts, polyoxymethylene 12 parts, ethylene bis stearic amide 9 parts, nitric acid dimethyl stearyl hydroxyethyl ammonium 6 parts, ethylene-octene copolymer 5 parts, 4 parts, nano-calcium carbonate magnesium, silicon powder 3 parts, pentaerythritol stearate 7 parts, sulphur lanthanum trioxide 5 parts, manganous sulfate 4 parts, n-butyl acrylate 3 parts, perfluoro polyether oil 6 parts, thiocarbamate copper 4 parts;
(2) sulphur lanthanum trioxide, manganous sulfate, nano-calcium carbonate magnesium, perfluoro polyether oil, thiocarbamate copper and silicon powder are joined in homogenizer, at 45 DEG C, stir 45min, add polyoxymethylene, ethylene bis stearic amide, polyvinyl chloride (PVC) RESINS, high-density polyethylene resin, nitric acid dimethyl stearyl hydroxyethyl ammonium, ethylene-octene copolymer, n-butyl acrylate and pentaerythritol stearate more successively, after stirring 1h, obtain compound;
(3) put in twin screw extruder by above-mentioned compound, the extrusion condition in described twin screw extruder is: 180 DEG C, a district, two 200 DEG C, districts, three 230 DEG C, districts, four 210 DEG C, districts, the frequency that feeds intake is 20 ~ 30Hz, be 150rpm at screw speed, melt extrude granulation;
(4) material through extruding pelletization in step (3) is placed in mould, under 25MPa pressure, the compression molding demoulding, obtains polyvinyl chloride composite materials.
Embodiment 2
A preparation method for instrument shock resistance polyvinyl chloride composite materials, comprises following preparation process:
(1) weigh according to described parts by weight, count by weight: polyvinyl chloride (PVC) RESINS 76 parts, high-density polyethylene resin 40 parts, polyoxymethylene 23 parts, ethylene bis stearic amide 16 parts, nitric acid dimethyl stearyl hydroxyethyl ammonium 16 parts, ethylene-octene copolymer 11 parts, 10 parts, nano-calcium carbonate magnesium, silicon powder 9 parts, pentaerythritol stearate 15 parts, sulphur lanthanum trioxide 10 parts, manganous sulfate 9 parts, n-butyl acrylate 8 parts, tetrafluoroethylene 13 parts, thiocarbamate copper 10 parts;
(2) sulphur lanthanum trioxide, manganous sulfate, nano-calcium carbonate magnesium, tetrafluoroethylene, thiocarbamate copper and silicon powder are joined in homogenizer, at 70 DEG C, stir 60min, add polyoxymethylene, ethylene bis stearic amide, polyvinyl chloride (PVC) RESINS, high-density polyethylene resin, nitric acid dimethyl stearyl hydroxyethyl ammonium, ethylene-octene copolymer, n-butyl acrylate and pentaerythritol stearate more successively, after stirring 2h, obtain compound;
(3) put in twin screw extruder by above-mentioned compound, the extrusion condition in described twin screw extruder is: 190 DEG C, a district, two 220 DEG C, districts, three 260 DEG C, districts, four 220 DEG C, districts, and the frequency that feeds intake is 30Hz, is 400rpm, melt extrudes granulation at screw speed;
(4) material through extruding pelletization in step (3) is placed in mould, under 25MPa pressure, the compression molding demoulding, obtains polyvinyl chloride composite materials.
Embodiment 3
A preparation method for instrument shock resistance polyvinyl chloride composite materials, comprises following preparation process:
(1) weigh according to described parts by weight, count by weight: polyvinyl chloride (PVC) RESINS 65 parts, high-density polyethylene resin 32 parts, polyoxymethylene 17 parts, ethylene bis stearic amide 12 parts, nitric acid dimethyl stearyl hydroxyethyl ammonium 11 parts, ethylene-octene copolymer 8 parts, 7 parts, nano-calcium carbonate magnesium, silicon powder 6 parts, pentaerythritol stearate 10 parts, sulphur lanthanum trioxide 7 parts, manganous sulfate 6 parts, n-butyl acrylate 5 parts, perfluoro polyether oil 10 parts, thiocarbamate copper 7 parts;
(2) sulphur lanthanum trioxide, manganous sulfate, nano-calcium carbonate magnesium, perfluoro polyether oil, thiocarbamate copper and silicon powder are joined in homogenizer, at 57 DEG C, stir 52min, add polyoxymethylene, ethylene bis stearic amide, polyvinyl chloride (PVC) RESINS, high-density polyethylene resin, nitric acid dimethyl stearyl hydroxyethyl ammonium, ethylene-octene copolymer, n-butyl acrylate and pentaerythritol stearate more successively, after stirring 1.5h, obtain compound;
(3) put in twin screw extruder by above-mentioned compound, the extrusion condition in described twin screw extruder is: 185 DEG C, a district, two 210 DEG C, districts, three 245 DEG C, districts, four 215 DEG C, districts, and the frequency that feeds intake is 25Hz, is 270rpm, melt extrudes granulation at screw speed;
(4) material through extruding pelletization in step (3) is placed in mould, under 25MPa pressure, the compression molding demoulding, obtains polyvinyl chloride composite materials.
Embodiment 4
A preparation method for instrument shock resistance polyvinyl chloride composite materials, comprises following preparation process:
(1) weigh according to described parts by weight, count by weight: polyvinyl chloride (PVC) RESINS 72 parts, high-density polyethylene resin 30 parts, polyoxymethylene 18 parts, ethylene bis stearic amide 14 parts, nitric acid dimethyl stearyl hydroxyethyl ammonium 12 parts, ethylene-octene copolymer 9 parts, 8 parts, nano-calcium carbonate magnesium, silicon powder 6 parts, pentaerythritol stearate 9 parts, sulphur lanthanum trioxide 8 parts, manganous sulfate 7 parts, n-butyl acrylate 6 parts, tetrafluoroethylene 10 parts, thiocarbamate copper 7 parts;
(2) sulphur lanthanum trioxide, manganous sulfate, nano-calcium carbonate magnesium, tetrafluoroethylene, thiocarbamate copper and silicon powder are joined in homogenizer, at 60 DEG C, stir 50min, add polyoxymethylene, ethylene bis stearic amide, polyvinyl chloride (PVC) RESINS, high-density polyethylene resin, nitric acid dimethyl stearyl hydroxyethyl ammonium, ethylene-octene copolymer, n-butyl acrylate and pentaerythritol stearate more successively, after stirring 1h, obtain compound;
(3) put in twin screw extruder by above-mentioned compound, the extrusion condition in described twin screw extruder is: 185 DEG C, a district, two 210 DEG C, districts, three 250 DEG C, districts, four 217 DEG C, districts, and the frequency that feeds intake is 24Hz, is 300rpm, melt extrudes granulation at screw speed;
(4) material through extruding pelletization in step (3) is placed in mould, under 25MPa pressure, the compression molding demoulding, obtains polyvinyl chloride composite materials.
Embodiment 5
A preparation method for instrument shock resistance polyvinyl chloride composite materials, comprises following preparation process:
(1) weigh according to described parts by weight, count by weight: polyvinyl chloride (PVC) RESINS 60 parts, high-density polyethylene resin 28 parts, polyoxymethylene 14 parts, ethylene bis stearic amide 11 parts, nitric acid dimethyl stearyl hydroxyethyl ammonium 9 parts, ethylene-octene copolymer 7 parts, 6 parts, nano-calcium carbonate magnesium, silicon powder 4 parts, pentaerythritol stearate 12 parts, sulphur lanthanum trioxide 6 parts, manganous sulfate 5 parts, n-butyl acrylate 5 parts, perfluoro polyether oil 7 parts, thiocarbamate copper 8 parts;
(2) sulphur lanthanum trioxide, manganous sulfate, nano-calcium carbonate magnesium, perfluoro polyether oil, thiocarbamate copper and silicon powder are joined in homogenizer, at 55 DEG C, stir 60min, add polyoxymethylene, ethylene bis stearic amide, polyvinyl chloride (PVC) RESINS, high-density polyethylene resin, nitric acid dimethyl stearyl hydroxyethyl ammonium, ethylene-octene copolymer, n-butyl acrylate and pentaerythritol stearate more successively, after stirring 2h, obtain compound;
(3) put in twin screw extruder by above-mentioned compound, the extrusion condition in described twin screw extruder is: 190 DEG C, a district, two 210 DEG C, districts, three 240 DEG C, districts, four 215 DEG C, districts, and the frequency that feeds intake is 26Hz, is 200rpm, melt extrudes granulation at screw speed;
(4) material through extruding pelletization in step (3) is placed in mould, under 25MPa pressure, the compression molding demoulding, obtains polyvinyl chloride composite materials.
Comparative example 1
This comparative example is with the difference part of embodiment 2, and not containing tetrafluoroethylene, sulphur lanthanum trioxide and ethylene bis stearic amide, other components and preparation remain unchanged, and the method for reference example 2 prepares polyvinyl chloride composite materials.
Comparative example 2
This comparative example is with the difference part of embodiment 1, not perfluoro-polyether oil, sulphur lanthanum trioxide and ethylene bis stearic amide, and other components and preparation remain unchanged, and the method for reference example 1 prepares polyvinyl chloride composite materials.
Performance test
Do to the various embodiments described above and comparative example the polyvinyl chloride composite materials prepared below and carry out the test of impact property, mechanical property and corrosion resistance nature, concrete test result sees the following form:
Shock strength/KJ/m 2 Tensile strength/MPa Resistance to 80 DEG C of dimethylbenzene are after 15 days
Embodiment 1 45 24 Unchanged
Embodiment 2 41 28 Unchanged
Embodiment 3 47 29 Unchanged
Embodiment 4 58 32 Unchanged
Embodiment 5 51 30 Unchanged
Comparative example 1 32 21 Slightly expand in surface
Comparative example 2 34 23 Slightly expand in surface
As seen from the above table, the polyvinyl chloride composite materials prepared by the present invention is still unchanged after 15 days at 80 DEG C of xylene solutions, shows good corrosion resistance nature, and test records the shock strength of this polyvinyl chloride composite materials higher than 45KJ/m in addition 2, show good shock resistance, the tensile strength simultaneously recorded is 24 ~ 32MPa, meets practical application request.Relative to embodiment, owing to lacking fluorochemical, sulphur lanthanum trioxide and ethylene bis stearic amide in comparative example 1 and comparative example 2, its properties declines all to some extent, illustrates that fluorochemical in nanocomposite constituents, sulphur lanthanum trioxide and ethylene bis stearic amide all have impact to the erosion resistance of material, mechanical property.As seen from the above table, embodiments of the invention 4 are most preferred embodiment.

Claims (8)

1. an instrument shock resistance polyvinyl chloride composite materials, is characterized in that, is prepared from by following raw material, counts by weight:
Polyvinyl chloride (PVC) RESINS 53 ~ 76 parts, high-density polyethylene resin 25 ~ 40 parts, polyoxymethylene 12 ~ 23 parts, ethylene bis stearic amide 9 ~ 16 parts, nitric acid dimethyl stearyl hydroxyethyl ammonium 6 ~ 16 parts, ethylene-octene copolymer 5 ~ 11 parts, 4 ~ 10 parts, nano-calcium carbonate magnesium, silicon powder 3 ~ 9 parts, pentaerythritol stearate 7 ~ 15 parts, sulphur lanthanum trioxide 5 ~ 10 parts, manganous sulfate 4 ~ 9 parts, n-butyl acrylate 3 ~ 8 parts, 6 ~ 13 parts, fluorochemical, thiocarbamate copper 4 ~ 10 parts.
2. a kind of instrument shock resistance polyvinyl chloride composite materials according to claim 1, is characterized in that, be prepared from by following raw material, counts by weight:
Polyvinyl chloride (PVC) RESINS 60 ~ 76 parts, high-density polyethylene resin 28 ~ 40 parts, polyoxymethylene 14 ~ 23 parts, ethylene bis stearic amide 11 ~ 16 parts, nitric acid dimethyl stearyl hydroxyethyl ammonium 9 ~ 16 parts, ethylene-octene copolymer 7 ~ 11 parts, 6 ~ 10 parts, nano-calcium carbonate magnesium, silicon powder 4 ~ 9 parts, pentaerythritol stearate 7 ~ 12 parts, sulphur lanthanum trioxide 6 ~ 10 parts, manganous sulfate 5 ~ 9 parts, n-butyl acrylate 5 ~ 8 parts, 7 ~ 13 parts, fluorochemical, thiocarbamate copper 4 ~ 8 parts.
3. a kind of instrument shock resistance polyvinyl chloride composite materials according to claim 1, is characterized in that, be prepared from by following raw material, counts by weight:
Polyvinyl chloride (PVC) RESINS 72 parts, high-density polyethylene resin 30 parts, polyoxymethylene 18 parts, ethylene bis stearic amide 14 parts, nitric acid dimethyl stearyl hydroxyethyl ammonium 12 parts, ethylene-octene copolymer 9 parts, 8 parts, nano-calcium carbonate magnesium, silicon powder 6 parts, pentaerythritol stearate 9 parts, sulphur lanthanum trioxide 8 parts, manganous sulfate 7 parts, n-butyl acrylate 6 parts, 10 parts, fluorochemical, thiocarbamate copper 7 parts.
4. a kind of instrument shock resistance polyvinyl chloride composite materials according to claim 1, it is characterized in that, described fluorochemical is perfluoro polyether oil or tetrafluoroethylene.
5. the preparation method of a kind of instrument shock resistance polyvinyl chloride composite materials as claimed in claim 1, is characterized in that, comprise following preparation process:
(1) weigh according to described parts by weight;
(2) sulphur lanthanum trioxide, manganous sulfate, nano-calcium carbonate magnesium, fluorochemical, thiocarbamate copper and silicon powder are joined in homogenizer, at 45 ~ 70 DEG C, stir 45min ~ 60min, add polyoxymethylene, ethylene bis stearic amide, polyvinyl chloride (PVC) RESINS, high-density polyethylene resin, nitric acid dimethyl stearyl hydroxyethyl ammonium, ethylene-octene copolymer, n-butyl acrylate and pentaerythritol stearate more successively, after stirring 1 ~ 2h, obtain compound;
(3) put in twin screw extruder by above-mentioned compound, be 150 ~ 400rpm at screw speed, temperature is 190 ~ 260 DEG C, melt extrudes granulation;
(4) material through extruding pelletization in step (3) is placed in mould, the compression molding demoulding, obtains polyvinyl chloride composite materials.
6. the preparation method of a kind of instrument shock resistance polyvinyl chloride composite materials according to claim 5, it is characterized in that, extrusion condition in described twin screw extruder is: 180 ~ 190 DEG C, a district, two 200 ~ 220 DEG C, districts, three 230 ~ 260 DEG C, districts, four 210 ~ 220 DEG C, districts, the frequency that feeds intake is 20 ~ 30Hz.
7. the preparation method of a kind of instrument shock resistance polyvinyl chloride composite materials according to claim 5, is characterized in that, the pressure of described compression molding is 25MPa.
8. the preparation method of a kind of instrument shock resistance polyvinyl chloride composite materials according to claim 5 or 6, it is characterized in that, the extrusion condition in described twin screw extruder is: 185 DEG C, a district, two 210 DEG C, districts, three 250 DEG C, districts, four 217 DEG C, districts, the frequency that feeds intake is 24Hz.
CN201510932395.3A 2015-12-15 2015-12-15 Impact-resistant polyvinyl chloride composite used for instruments and preparation method of impact-resistant polyvinyl chloride composite Pending CN105482294A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1990537A (en) * 2005-12-26 2007-07-04 上海佑利积水管业有限公司 Material composition of hard polyvinyl chloride pipeline for conveying electronic grade water and accessory thereof
CN101348594A (en) * 2008-08-28 2009-01-21 广东联塑科技实业有限公司 Glass fiber reinforced unplasticised polyvinyl chloride material and preparation thereof
CN103073782A (en) * 2011-10-25 2013-05-01 合肥杰事杰新材料股份有限公司 Automobile instrument framework material and manufacturing method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1990537A (en) * 2005-12-26 2007-07-04 上海佑利积水管业有限公司 Material composition of hard polyvinyl chloride pipeline for conveying electronic grade water and accessory thereof
CN101348594A (en) * 2008-08-28 2009-01-21 广东联塑科技实业有限公司 Glass fiber reinforced unplasticised polyvinyl chloride material and preparation thereof
CN103073782A (en) * 2011-10-25 2013-05-01 合肥杰事杰新材料股份有限公司 Automobile instrument framework material and manufacturing method thereof

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Application publication date: 20160413