CN107189230A - It is a kind of to can be used for PP composite material of chemical fretting map and preparation method thereof - Google Patents
It is a kind of to can be used for PP composite material of chemical fretting map and preparation method thereof Download PDFInfo
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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
- C08L23/14—Copolymers of propene
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/08—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing carbon dioxide
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/02—CO2-releasing, e.g. NaHCO3 and citric acid
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/14—Copolymers of propene
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- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/08—Copolymers of ethene
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
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- C—CHEMISTRY; METALLURGY
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
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Abstract
The invention discloses a kind of available for PP composite material of chemical fretting map and preparation method thereof, PP composite material is uniformly mixed with composite foamable agent, formed using twice-die-opening injection molding, wherein the PP composite material is prepared according to following parts by weight：65 85 parts of polypropylene, 10 20 parts of active calcium silicate, 10 15 parts of toughener, 0.4 0.8 parts of modifying agent, antioxidant 0.2 0.4,0.5 1 parts of lubricant, 0.5 1 parts of crosslinking agent, 0.2 0.5 parts of crosslinking coagent, 03 parts of other auxiliary agents.Using crosslinking coagent, surface modifier collaboration to active calcium silicate Surface coating, enhancing and the interface interaction power of resin, it is scattered more uniform, polypropylene cross-linking reaction is triggered by crosslinking agent simultaneously, network-like structure is formed, the melt strength of compound system is improved, so that composite obtains excellent foam performance, the composite has that raw material sources are extensive, cost is low, density is small, good stability of the dimension, and mechanical performance is excellent, heat-insulated, the characteristics of sound insulation, noise reduction.
Description
Technical field
The invention belongs to technical field of polymer materials, specifically a kind of polypropylene composite materials material available for chemical fretting map
Material and preparation method thereof.
Background technology
Polypropylene has an excellent mechanical performance because of it, the advantages of heat resistance, nontoxic, corrosion-resistant, electric insulation, extensive use
It is usage amount maximum in auto plasticses in the automobile interior exterior trim such as bumper, side guard plate, deflector, instrument board, undertray,
One of most material of products application.It is well known that global safety, environmental protection, the raising of energy conservation standard, give polypropylene auto plasticses
Propose new requirement, designer also is intended to that polypropylene plastics is more and more lighter, to lift the performance and reduction energy consumption of automobile.With it is normal
Isotactic polypropylene material is compared, and polypropylene micro-foaming material has density small, and notch sensitivity is relatively low, cryogenic property is more excellent excellent
Point, in addition internal porous also assign the features such as product has sound insulation, heat-insulated, noise reduction, be increasingly becoming the heat of automotive light weight technology design
One of inner feelings lightweighting materials.But polypropylene belongs to Crystalline plastics, more than higher than melting temperature, matrix melt strength moment
Reduction, decomposing the gas produced can not be fettered by melt, easily collapse in the base, go here and there and steep and steep, cause polypropylene abscess
It is difficult to control to, causes foaming effect bad, limits application of the polypropylene micro-foaming material in automotive field.Therefore, choosing is passed through
Suitable resin matrix is selected, blending and modifying, chemistry initiation PP cross-linking reactions effectively improve melt strength of polypropylene, so as to solve to gather
The problem of propylene abscess is difficult to control to, obtains the fine and smooth uniform polypropylene micro-foaming material of closed pore in actual production, and broadening is poly-
Application of the propylene fretting map in new product and frontier.
The content of the invention：
In view of the shortcomings of the prior art, the technical problems to be solved by the invention are to provide a kind of polypropylene micro-foaming material
And preparation method thereof, solve prior art polypropylene melt strength in foaming process it is low, abscess be difficult to control, bubble and steep collapse
The problems such as falling into serious.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of PP composite material that can be used for chemical fretting map is prepared from by weight percentage by following raw materials according：
PP composite material 96-99%
Composite foamable agent 1-4%
Wherein described PP composite material is prepared from by weight by following raw materials according：
65-85 parts of polypropylene
10-20 parts of active calcium silicate
10-15 parts of toughener
0.4-0.8 parts of modifying agent
0.2-0.4 parts of antioxidant
0.5-1 parts of lubricant
0.5-1 parts of crosslinking agent
0.2-0.5 parts of crosslinking coagent
0-3 parts of other auxiliary agents
Further scheme, the polypropylene is COPP, under 230 DEG C, 2.16kg test condition, melt flows
Speed is 10-120g/10min.
Further scheme, the active calcium silicate, its particle diameter mesh number is more than 1000 mesh.
Further scheme, the toughener is POE, and under 230 DEG C, 2.16kg test condition, melt flow rate (MFR) is
0.5-30g/10min。。
Further scheme, the modifying agent is octadecylamine, technical grade, and its purity is more than 99%.
Further scheme, the antioxidant is selected from Hinered phenols antioxidant, thiosulfates kind antioxidant, phosphorous acid esters
At least one of antioxidant；
The Hinered phenols antioxidant is antioxidant 1010, and the thiosulfates kind antioxidant is anti-oxidant DLTP, institute
Phosphite ester kind antioxidant is stated for irgasfos 168.
Further scheme, the crosslinking agent is cumyl peroxide；The crosslinking coagent is butyl acrylate, maleic
At least one of diethyl adipate.
Further scheme, the lubricant is Tissuemat E, calcium stearate, zinc stearate, stearic acid, lignite wax, penta 4
At least one of alcohol stearate.
Further scheme, other described auxiliary agents be UV absorbers, finishing agent, light stabilizer, antistatic additive and/
Or colouring agent.
It is another object of the present invention to provide a kind of preparation of the PP composite material available for chemical fretting map
Method, comprises the following steps：
(1) modified active calcium silicates is prepared：0.4-0.8 parts of modifying agent, 0.2-0.5 parts of crosslinking coagents are scattered in
In 500mL-1L ethanol, 10-20 parts of active calcium silicates are added in three-necked flask, 60-80 DEG C is heated to, 30-60min is stirred,
Pour into large beaker, centrifuge, be washed with deionized 3-5 times, 50-80 DEG C of vacuum drying 24h-48h of centrifugation product is done
Product after the dry ball milling in ball mill, drum's speed of rotation is controlled in 100-250r/min, obtains modified active calcium silicates；
(2) PP composite material is prepared：Modified active calcium silicates that 65-85 parts of polypropylene, step (1) are prepared,
10-15 parts of toughener, 0.2-0.4 parts of antioxidant, 0.5-1 parts of lubricant, 0.5-1 parts of crosslinking agent, 0-0.3 parts of inputs of other auxiliary agents
After parallel dual-screw extruding machine, by melting extrusion, PP composite material is made in granulation；The wherein extrusion temperature of extruder
For 180-200 DEG C, screw speed is 350-400r/min, and vacuum is-0.06-- 0.08MPa.
(3) polypropylene chemical micro foaming composite material is prepared：By 96-99wt% PP composite material and 1-4wt%
Composite foamable agent it is well mixed after, injection moulding process uses twice-die-opening technique, carries out fretting map shaping, wherein injection machine temperature
For 180-200 DEG C.
Beneficial effects of the present invention
1st, melt strength is high, and uniform foam cell is fine and smooth：Live on a kind of nonpolar surface of straight chain type of modifying agent octadecylamine used
Property agent, can effectively coat the surface of active calcium silicate, terminal amino group and crosslinking coagent butyl acrylate formation hydrogen bond so that activity
Calcium silicates carries reactive group, on the one hand forms very strong interface interaction power with matrix resin, on the other hand ensures crosslinking
Auxiliary agent is dispersed, solves crosslinking coagent and the problem of PP poor compatibilities, so as to ensure that polypropylene crosslinking is anti-in process
It should stablize, reduce polyacrylic degraded, form cross-linked network structure, effectively improve polyacrylic melt strength, be produced to decomposing
Gas uniformly coat, hinder gas produce instantaneous pressure break through melt.Needle-like active calcium silicate has larger ratio surface
Product, is greatly increased with substrate contact face, forms substantial amounts of low energy point, the free energy barrier of bubble nucleating is reduced, so as to contribute to gas
Soak core.Compound system has higher melt strength, when modified active calcium silicates is used as bubble nucleating agent so that polypropylene is multiple
Closing expanded material has relatively low cell diameter, excellent foaming effect.
2nd, environmentally friendly foaming agent：Composite foamable agent is decomposed using sodium acid carbonate produces carbon dioxide, green, environmental protection,
It is a kind of environmentally friendly foaming agent.
3rd, excellent combination property：According to a kind of PP composite material available for chemical fretting map of national standard examination criteria
Cantilever beam notch strength reaches 20KJ/m2, bending modulus reach 1700MPa, show composite of the present invention have good toughness and
Intensity, disclosure satisfy that the standard that the product of automobile industry is used.The composite has that raw material sources are extensive, cost is low, density
Small, good stability of the dimension, mechanical performance is excellent, heat-insulated, the characteristics of sound insulation, noise reduction, in fields such as automobile, household electrical appliances, building, packagings
It can be widely used.
Embodiment：
The present invention is described in further detail with reference to specific embodiment.
Embodiment 1
A kind of PP composite material available for chemical fretting map in the present embodiment is according to weight by following raw materials according
Part composition：
Specific preparation method comprises the following steps：
(1) modified active calcium silicates is prepared：0.4 part of modifying agent, 0.5 part of crosslinking coagent are dissolved in 1L ethanol and be configured to
Solution, adds 20 parts of active calcium silicates in three-necked flask, is heated to 60 DEG C, stir 60min, pour into large beaker, centrifugation point
From, it is washed with deionized 3 times, will centrifugation 50 DEG C of product vacuum drying 24h, dried product ball milling in ball mill, ball
Mill speed is controlled in 100-250r/min, obtains modified active calcium silicates；
(2) PP composite material is prepared：65 parts of modified active calcium silicates and COPP prepared by step (1),
0.5 part of 15 parts of toughener, 0.2 part of antioxidant 1010,0.2 part of irgasfos 168,1 part of crosslinking agent and lubricant stearic acid calcium
Put into after parallel dual-screw extruding machine, by melting extrusion, PP composite material is made in granulation；The wherein extrusion of extruder
Temperature is 180-200 DEG C, and screw speed is 350-400r/min, and vacuum is-0.06-- 0.08MPa.
(3) polypropylene chemical micro-foaming material is prepared：99% PP composite material and 1% composite foamable agent are mixed
After closing uniformly, using twice-die-opening technique, fretting map shaping is carried out in injection machine, wherein injection machine temperature is 180-200 DEG C.
Embodiment 2
A kind of PP composite material available for chemical fretting map in the present embodiment is according to weight by following raw materials according
Part composition：
Specific preparation method comprises the following steps：
(1) modified active calcium silicates is prepared：0.8 part of modifying agent, 0.2 part of crosslinking coagent are dissolved in 1L ethanol and be configured to
Solution, adds 20 parts of active calcium silicates in three-necked flask, is heated to 80 DEG C, stir 30min, pour into large beaker, centrifugation point
From, it is washed with deionized 3 times, will centrifugation 80 DEG C of product vacuum drying 48h, dried product ball milling in ball mill, ball
Mill speed is controlled in 100-250r/min, obtains modified active calcium silicates；
(2) PP composite material is prepared：65 parts of modified active calcium silicates and COPP prepared by step (1),
10 parts of toughener, 0.1 part of antioxidant 1010,0.1 part of irgasfos 168,0.5 part of crosslinking agent and lubricant stearic acid calcium 0.5
After part input parallel dual-screw extruding machine, by melting extrusion, PP composite material is made in granulation；Wherein extruder is crowded
It is 180-200 DEG C to go out temperature, and screw speed is 350-400r/min, and vacuum is-0.06-- 0.08MPa.
(3) polypropylene chemical micro-foaming material is prepared：The foaming agent of 97wt% PP composite material and 3wt% is mixed
After closing uniformly, using twice-die-opening technique, fretting map shaping is carried out in injection machine, wherein injection machine temperature is 180-200 DEG C.
Embodiment 3
A kind of PP composite material available for chemical fretting map in the present embodiment is according to weight by following raw materials according
Part composition：
Specific preparation method comprises the following steps：
(1) modified active calcium silicates is prepared：0.4 part of modifying agent, 0.4 part of crosslinking coagent are dissolved in 1L ethanol and be configured to
Solution, adds 10 parts of active calcium silicates in three-necked flask, is heated to 70 DEG C, stir 50min, pour into 1000mL large beakers,
Centrifuge, be washed with deionized 4 times, by 70 DEG C of vacuum drying 36h of centrifugation product, dried product is ground, obtained
To modified active calcium silicates；
(2) PP composite material is prepared：85 parts of modified active calcium silicates and COPP prepared by step (1),
15 parts of toughener, 0.15 part of antioxidant 1010,0.15 part of irgasfos 168,0.75 part of crosslinking agent, 0.8 part of lubricant PE waxes, throwing
Enter after parallel dual-screw extruding machine, by melting extrusion, PP composite material is made in granulation；The wherein extrusion temperature of extruder
Spend for 180-200 DEG C, screw speed is 350-400r/min, vacuum is-0.06-- 0.08MPa.
(3) polypropylene chemical micro-foaming material is prepared：The foaming agent of 97wt% PP composite material and 3wt% is mixed
After closing uniformly, using twice-die-opening technique, fretting map shaping is carried out in injection machine, wherein injection machine temperature is 180-200 DEG C.
Embodiment 4
A kind of PP composite material available for chemical fretting map in the present embodiment is according to weight by following raw materials according
Part composition：
Specific preparation method comprises the following steps：
(1) modified active calcium silicates is prepared：0.6 part of modifying agent, 0.4 part of crosslinking coagent are dissolved in 1L ethanol and be configured to
Solution, adds 15 parts of active calcium silicates in three-necked flask, is heated to 70 DEG C, stir 50min, pour into large beaker, centrifugation point
From, be washed with deionized 4 times, will centrifugation 70 DEG C of product vacuum drying 36h, dried product is ground, is modified
Active calcium silicate；
(2) PP composite material is prepared：Modified active calcium silicates prepared by step (1) and 70 parts of polypropylene, toughener
15 parts, 0.15 part of antioxidant 1010,0.15 part of antioxidant DSTP, 1 part of crosslinking agent, 0.5 part of lubricant stearic acid calcium, light it is stable
After 0.5 part of agent, 1 part of colouring agent, 1 part of antistatic additive, 0.5 part of input parallel dual-screw extruding machine of finishing agent, by melting
PP composite material is made in extrusion, granulation；Wherein the extrusion temperature of extruder is 180-200 DEG C, and screw speed is 350-
400r/min, vacuum is-0.06-- 0.08MPa.
(4) polypropylene chemical micro-foaming material is prepared：The foaming agent of 96wt% PP composite material and 4wt% is mixed
After closing uniformly, using twice-die-opening technique, fretting map shaping is carried out in injection machine, wherein injection machine temperature is 180-200 DEG C.
Comparative example 1：
A kind of PP composite material available for chemical fretting map in this comparative example is according to weight by following raw materials according
Part composition：
Specific preparation method comprises the following steps：
(1) PP composite material is prepared：By 70 parts of polypropylene, 15 parts of talcum powder, 15 parts of toughener, antioxidant 1010
0.2 part, 0.2 part of irgasfos 168, after 0.5 part of lubricant stearic acid calcium input parallel dual-screw extruding machine, by melting extrusion,
Granulation, is made PP composite material；Wherein the extrusion temperature of extruder is 180-200 DEG C, and screw speed is 350-400r/
Min, vacuum is-0.06-- 0.08MPa.
(2) polypropylene chemical micro-foaming material is prepared：The foaming agent of 97wt% PP composite material and 3wt% is mixed
After closing uniformly, using twice-die-opening technique, fretting map shaping is carried out in injection machine, wherein injection machine temperature is 180-200 DEG C.
By the main physical index of PP composite material made from above-described embodiment 1-4 and comparative example according to coherent detection
Standard testing, its density, abscess average diameter, tensile strength, Izod notched impact strength, bending strength, bending modulus
Examination criteria is as shown in the table with testing result：
Compared with prior art, the present invention has following advantage：
1st, PP composite material melt strength is high：It is mutually reciprocal using modifying agent octadecylamine, crosslinking coagent butyl acrylate
Should, calcium silicates is surface-treated jointly, filler, the reactive group of surface exposure is effectively coated, it is ensured that calcium silicates effectively disperses,
Butyl acrylate and the polyacrylic phase same sex are solved simultaneously, by DCP cross-linking reactions, form network structure, enhance complex
The melt strength of system, uniformly wraps up decomposing the gas produced, effectively fetters bubble, assigns compound system excellent foaminess
Energy.
2nd, abscess is small and fine and close：Compound system have higher melt strength, when modified active calcium silicates as bubble into
Core agent, obtains fabulous foaming effect, and cell diameter is small to 55 μm, and be evenly distributed exquisiteness, and 33% loss of weight can be realized to material.
3rd, composite foamable agent is environment-friendly：Composite foamable agent, which is decomposed, produces carbon dioxide, and green, environmental protection are a kind of environment friends
Good type foaming agent, on compound system smell without influence.
4th, excellent mechanical performance：According to a kind of PP composite material available for chemical fretting map of national standard examination criteria
Cantilever beam notch strength reaches 21KJ/m2Above, bending modulus reaches more than 1700MPa, shows that composite of the present invention has fine
Toughness and intensity, disclosure satisfy that the standard that the product of automobile industry is used, provide a kind of brand-new for automotive light weight technology selection
Approach.
Such as addition UV absorbers, light stabilizer, antistatic additive, colouring agent function in component are prepared in the present invention
Auxiliary agent, makes composite that there are individual features also to be protected by the present invention.
The above-mentioned description to embodiment is understood that for ease of those skilled in the art and using this hair
It is bright.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein
General Principle is applied in other embodiment without passing through performing creative labour.Therefore, the invention is not restricted to implementation here
Example, those skilled in the art do not depart from improvement that scope made and change all should be according to the announcement of the present invention
Within protection scope of the present invention.
Claims (10)
1. a kind of PP composite material available for chemical fretting map, it is characterised in that：By following raw materials according by weight percentage
It is prepared from：
PP composite material 96-99%,
Composite foamable agent 1-4%；
Wherein described PP composite material is prepared from by weight by following raw materials according：
65-85 parts of polypropylene,
10-20 parts of active calcium silicate,
10-15 parts of toughener,
0.4-0.8 parts of modifying agent,
0.2-0.4 parts of antioxidant,
0.5-1 parts of lubricant,
0.5-1 parts of crosslinking agent,
0.2-0.5 parts of crosslinking coagent,
0-3 parts of other auxiliary agents.
2. a kind of PP composite material available for chemical fretting map according to claim 1, it is characterised in that：It is described
Polypropylene is COPP, and under 230 DEG C, 2.16kg test condition, melt flow rate (MFR) is 10-120g/10min.
3. a kind of PP composite material available for chemical fretting map according to claim 1, it is characterised in that：It is described
Toughener is POE, and under 190 DEG C, 2.16kg test condition, melt flow rate (MFR) is 0.5-30g/10min.
4. a kind of PP composite material available for chemical fretting map according to claim 1, it is characterised in that：It is described
Its particle diameter mesh number of active calcium silicate is more than 1000 mesh.
5. a kind of PP composite material available for chemical fretting map according to claim 1, it is characterised in that：It is described
Modifying agent is octadecylamine, technical grade, and its purity is more than 99%.
6. a kind of PP composite material available for chemical fretting map according to claim 1, it is characterised in that described
Antioxidant is selected from least one of Hinered phenols antioxidant, thiosulfates kind antioxidant, phosphite ester kind antioxidant；
The Hinered phenols antioxidant is antioxidant 1010, and the thiosulfates kind antioxidant is anti-oxidant DLTP, the Asia
Phosphoric acid ester antioxidant is irgasfos 168.
7. a kind of PP composite material available for chemical fretting map according to claim 1, it is characterised in that described
Crosslinking agent is cumyl peroxide；The crosslinking coagent is at least one of butyl acrylate, diethyl maleate.
8. a kind of PP composite material available for chemical fretting map according to claim 1, it is characterised in that described
Lubricant is at least one of Tissuemat E, calcium stearate, zinc stearate, stearic acid, lignite wax, penta tetrol stearate.
9. a kind of PP composite material available for chemical fretting map according to claim 1, it is characterised in that described
Other auxiliary agents are UV absorbers, finishing agent, light stabilizer, antistatic additive and/or colouring agent.
10. preparing the method for requiring a kind of PP composite material available for chemical fretting map described in 1-9, its feature exists
In comprising the following steps：
（1）Prepare modified active calcium silicates：0.4-0.8 parts of modifying agent, 0.2-0.5 parts of crosslinking coagents are scattered in 500mL-1L
In ethanol, 10-20 parts of active calcium silicates are added in three-necked flask, 60-80 DEG C is heated to, 30-60min is stirred, pours into big burning
In cup, centrifuge, be washed with deionized 3-5 times, by 50-80 DEG C of vacuum drying 24h-48h of centrifugation product, dried production
Thing ball milling in ball mill, drum's speed of rotation is controlled in 100-250r/min, obtains modified active calcium silicates；
（2）Prepare PP composite material：By 65-85 parts of polypropylene, step（1）The modified active calcium silicates prepared, toughness reinforcing
10-15 parts of agent, 0.2-0.4 parts of antioxidant, 0.5-1 parts of lubricant, 0.5-1 parts of crosslinking agent, 0-3 parts of inputs of other auxiliary agents are double in the same direction
After screw extruder, by melting extrusion, PP composite material is made in granulation；Wherein the extrusion temperature of extruder is 180-
200 DEG C, screw speed is 350-400r/min, and vacuum is-0.06-- 0.08MPa；
（3）Prepare polypropylene chemical micro foaming composite material：By the compound of 96-99wt% PP composite material and 1-4wt%
After foaming agent is well mixed, injection moulding process uses twice-die-opening technique, carries out fretting map shaping, wherein injection machine temperature is 180-
200℃。
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| CN201710387495.1A CN107189230A (en) | 2017-05-26 | 2017-05-26 | It is a kind of to can be used for PP composite material of chemical fretting map and preparation method thereof |
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| CN201710387495.1A CN107189230A (en) | 2017-05-26 | 2017-05-26 | It is a kind of to can be used for PP composite material of chemical fretting map and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107868344A (en) * | 2017-12-15 | 2018-04-03 | 会通新材料股份有限公司 | A kind of lightweight polypropylene micro foaming composite material and preparation method thereof |
| CN107987400A (en) * | 2017-12-15 | 2018-05-04 | 会通新材料股份有限公司 | A kind of graphene modified polypropene micro foaming composite material and preparation method thereof |
| CN108314853A (en) * | 2018-02-09 | 2018-07-24 | 内蒙古工业大学 | A kind of preparation method and environmental protection type material of rubber of environmental protection type material of rubber |
| CN108948510A (en) * | 2018-05-29 | 2018-12-07 | 江苏兆鋆新材料股份有限公司 | A kind of basic zirconium phosphate/PP composite material and preparation method thereof |
| CN113956600A (en) * | 2021-11-17 | 2022-01-21 | 中核同辐（长春）辐射技术有限公司 | Pre-irradiation graft modified PP melt-blown material and preparation process thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105273314A (en) * | 2015-11-12 | 2016-01-27 | 安徽大学 | Polypropylene foaming heat insulation material and preparation method thereof |
-
2017
- 2017-05-26 CN CN201710387495.1A patent/CN107189230A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105273314A (en) * | 2015-11-12 | 2016-01-27 | 安徽大学 | Polypropylene foaming heat insulation material and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 周祥兴主编: "《中国塑料制品配方大全》", 31 May 1999, 中国物资出版社 * |
| 李士勇编著: "《非线性科学及其应用》", 31 October 2011, 哈尔滨工业大学出版社 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107868344A (en) * | 2017-12-15 | 2018-04-03 | 会通新材料股份有限公司 | A kind of lightweight polypropylene micro foaming composite material and preparation method thereof |
| CN107987400A (en) * | 2017-12-15 | 2018-05-04 | 会通新材料股份有限公司 | A kind of graphene modified polypropene micro foaming composite material and preparation method thereof |
| CN107868344B (en) * | 2017-12-15 | 2020-10-30 | 会通新材料股份有限公司 | Lightweight polypropylene micro-foaming composite material and preparation method thereof |
| CN108314853A (en) * | 2018-02-09 | 2018-07-24 | 内蒙古工业大学 | A kind of preparation method and environmental protection type material of rubber of environmental protection type material of rubber |
| CN108948510A (en) * | 2018-05-29 | 2018-12-07 | 江苏兆鋆新材料股份有限公司 | A kind of basic zirconium phosphate/PP composite material and preparation method thereof |
| CN113956600A (en) * | 2021-11-17 | 2022-01-21 | 中核同辐（长春）辐射技术有限公司 | Pre-irradiation graft modified PP melt-blown material and preparation process thereof |
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