CN109535563A - A kind of environment-friendly composite material and the preparation method and application thereof - Google Patents
A kind of environment-friendly composite material and the preparation method and application thereof Download PDFInfo
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- CN109535563A CN109535563A CN201811472813.5A CN201811472813A CN109535563A CN 109535563 A CN109535563 A CN 109535563A CN 201811472813 A CN201811472813 A CN 201811472813A CN 109535563 A CN109535563 A CN 109535563A
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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
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Abstract
The present invention provides a kind of environment-friendly composite material, is made of the component of following parts by weight: 100 parts of PP, 3-4 parts of toughener, 0.5-1 parts of antioxidant, 8-12 parts of fire retardant, 1-1.5 parts of lubricant, 1-2 parts of PAMAM, 10-15 parts of zinc Si composite oxide.The invention also discloses the preparation methods of the environment-friendly composite material.The VOC content of environment-friendly composite material provided by the invention is lower, and has stronger wearability, lower temperature resistance and resistance to ag(e)ing.
Description
Technical field
The present invention relates to a kind of composite materials, more particularly to a kind of environment-friendly composite material and the preparation method and application thereof.
Background technique
Polymer matrix composites be by using organic polymer as the fibre reinforced materials of matrix, usually using glass fibre,
The fibre reinforcements such as carbon fiber, basalt fibre or aramid fiber, common matrix include polyethylene, polypropylene, polyvinyl chloride, ring
Oxygen resin, phenolic resin etc..Wherein, polypropylene (English is abbreviated as PP) is that a kind of thermoplasticity that comprehensive performance is very excellent is general
Plastics have the characteristics that easy processing, density are small, production cost is low, so polypropylene is in household electrical appliance, articles for daily use packing timber
The industries such as material, auto industry have a wide range of applications, and become most fast one of the plastics of growth rate in recent years.However polypropylene
There are also disadvantages, such as: creep resistance is poor, fusing point is lower, dimensional stability is bad, heat distortion temperature is low, black brittleness etc.,
Its application as engineering length of load bearing material is constrained, so the use of inorganics filled polypropylene being at present common to improve performance
Enhancement method, but general inorganic matter can generate small molecule volatile organic matter with polypropylene matrix and auxiliary agent reaction, lead
It causes VOC content higher, haves the shortcomings that not environmentally friendly enough.
Application No. is the Chinese patents of CN201810341775.3 to disclose a kind of modified polypropylene composite material and its system
Preparation Method, the component including following parts by weight: 30-50 parts of polypropylene, 10-30 parts of filling reinforcing agents, 15-25 parts of fire retardants, 5-
15 parts of toughener, 1-5 parts of antioxidant and 1-4 parts of black mothers.That there are VOC contents is higher for the composites, not environmentally friendly enough asks
Topic, and wearability, lower temperature resistance and resistance to ag(e)ing are bad.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of environment-friendly composite materials, and VOC content is lower, and have relatively strong
Wearability, lower temperature resistance and resistance to ag(e)ing.
In order to solve the above technical problems, the technical scheme is that
A kind of environment-friendly composite material is made of the component of following parts by weight: 100 parts of PP, 3-4 parts of toughener, and antioxidant 0.5-1
Part, 8-12 parts of fire retardant, 1-1.5 parts of lubricant, 1-2 parts of PAMAM, 10-15 parts of zinc Si composite oxide.
Further, the melt index of PP of the present invention is 5-10g/10min.
Further, toughener of the present invention is POE.
Further, antioxidant of the present invention is antioxidant 1010 or antioxidant DSTP.
Further, fire retardant of the present invention is magnesium hydroxide.
Further, lubricant of the present invention is ethylene bis stearamide.
Further, the preparation step of PAMAM of the present invention are as follows:
A1. anhydrous methanol, ethylenediamine are added in reaction flask, reaction flask is placed in ice-water bath, by acrylic acid after stirring 1 hour
Methyl esters is added dropwise in reaction flask, is stirred to react after being warming up to 30 DEG C 24 hours, and anhydrous methanol and unreacted are removed after vacuumizing
Methyl acrylate obtain PAMAM-0.5G；
A2. anhydrous methanol, PAMAM-0.5G are added in reaction flask first, stirring after reaction flask first is placed in ice-water bath, by nothing
Water-ethanol, ethylenediamine are added in reaction flask second, and stirring obtains ethylenediamine solution in 1 hour after reaction flask second is placed in ice-water bath,
Ethylenediamine solution is added dropwise in reaction flask first, is stirred to react after being warming up to 25 DEG C 24 hours, is taken out at 80 DEG C after addition n-butanol
Vacuum, removes anhydrous methanol and unreacted methyl acrylate obtains PAMAM.
Further, in step A1 of the present invention, anhydrous methanol, ethylenediamine, methyl acrylate weight ratio be 15:1:
8.7；In step A2, anhydrous methanol in reaction flask first, PAMAM-0.5G weight ratio be 1:1, the mass fraction of ethylenediamine solution
Weight ratio for 68.9%, PAMAM-0.5G, ethylenediamine solution is 1:3.4.
Further, the preparation step of zinc Si composite oxide of the present invention are as follows:
Zinc oxide is added in the deionized water of 5 times of weight, magnetic agitation 1 hour, is added dropwise to 10% matter after sonic oscillation 30 minutes
The sodium silicate solution of score is measured, 90 DEG C are heated to after adjusting pH value to 9, is aged 2 hours after continuing magnetic agitation 1 hour, will
To product filtering after wash, obtain zinc Si composite oxide after dry at 90 DEG C, wherein the weight of sodium silicate solution and zinc oxide
Amount is than being 1:2.
Another technical problem to be solved by the present invention is that providing the preparation method of above-mentioned environment-friendly composite material.
In order to solve the above technical problems, technical solution is:
A kind of preparation method of environment-friendly composite material, comprising the following steps:
B1. each component is weighed by weight, and fire retardant, PAMAM, zinc Si composite oxide are added in mixing machine, 800 turns/
Divide under revolving speed to mix 40 minutes and obtains mixture；
B2. the obtained mixture of step B1 is uniformly mixed with other components, is transferred in double screw extruder and is squeezed out
Material, water cooling to room temperature obtains environment-friendly composite material, the extrusion temperature of the double screw extruder after extruded stock is granulated with pelletizer
Degree is 180-220 DEG C, and the revolving speed of screw rod is 40rpm.
Therefore compared with prior art, the invention has the following advantages:
1) zinc oxide has good UV absorbing properties, but its mechanical property and thermal stability are bad, and silica is then
With preferable mechanical property, wear-resisting property and thermal stability, silica and zinc oxide are carried out reaction treatment, made by the present invention
Silica forms clad in zinc oxide surface zinc Si composite oxide has been made, there is preferable ultraviolet light simultaneously
Absorbent properties, mechanical property, wear-resisting property and thermal stability, thus can effectively improve the resistance to ag(e)ing of composite material, wearability
And lower temperature resistance.
2) fire retardant and zinc Si composite oxide that the present invention uses belong to inorganic matter, and it is higher to equally exist VOC content
Defect, therefore the present invention has prepared dendrimer PAMAM, and molecular surface has highdensity active group-amino,
When being blended, PAMAM can be coated on the surface of fire retardant and zinc Si composite oxide, by fire retardant and zinc Si composite oxide with
Polypropylene matrix separates, while PAMAM and polypropylene matrix have preferable compatibility, thus fire retardant and zinc silicon combined oxidation
Object is not easy to be precipitated, and effectively reduces reacting between fire retardant and zinc Si composite oxide and polypropylene matrix and low point
The generation of sub- volatile organic matter, thus the environmental-protecting performance that the VOC content of composite material is effectively reduced, improves composite material；This
Outside, PAMAM can also improve the dispersibility of fire retardant and zinc Si composite oxide in polypropylene matrix, to further increase multiple
Wearability, lower temperature resistance and the resistance to ag(e)ing of condensation material.
Specific embodiment
Below in conjunction with specific embodiment, the present invention will be described in detail, herein illustrative examples and explanation of the invention
For explaining the present invention, but it is not as a limitation of the invention.
Embodiment 1
Environment-friendly composite material is made of the component of following parts by weight: melt index is 100 parts of PP of 5-10g/10min, POE 3
Part, 1 part of antioxidant 1010,11 parts of magnesium hydroxide, 1.2 parts of ethylene bis stearamide, 1 part of PAMAM, zinc Si composite oxide 15
Part.
Preparation method includes the following steps:
(1) anhydrous methanol, ethylenediamine are added in reaction flask, reaction flask is placed in ice-water bath, by acrylic acid after stirring 1 hour
Methyl esters is added dropwise in reaction flask, is stirred to react after being warming up to 30 DEG C 24 hours, and anhydrous methanol and unreacted are removed after vacuumizing
Methyl acrylate obtain PAMAM-0.5G, anhydrous methanol, ethylenediamine, methyl acrylate weight ratio be 15:1:8.7；
(2) anhydrous methanol, PAMAM-0.5G are added in reaction flask first, stirring after reaction flask first is placed in ice-water bath, by nothing
Water-ethanol, ethylenediamine are added in reaction flask second, and stirring obtains ethylenediamine solution in 1 hour after reaction flask second is placed in ice-water bath,
Ethylenediamine solution is added dropwise in reaction flask first, is stirred to react after being warming up to 25 DEG C 24 hours, is taken out at 80 DEG C after addition n-butanol
Vacuum, removes anhydrous methanol and unreacted methyl acrylate obtains PAMAM, anhydrous methanol, PAMAM- in reaction flask first
The weight ratio of 0.5G is 1:1, and the mass fraction of ethylenediamine solution is 68.9%, PAMAM-0.5G, the weight ratio of ethylenediamine solution is
1:3.4；
(3) zinc oxide is added in the deionized water of 5 times of weight, magnetic agitation 1 hour, is added dropwise to after sonic oscillation 30 minutes
The sodium silicate solution of 10% mass fraction adjusts pH value to being heated to 90 DEG C after 9, is aged 2 hours after continuing magnetic agitation 1 hour,
It will be washed after the filtering of obtained product, obtain zinc Si composite oxide after dry at 90 DEG C, wherein sodium silicate solution and zinc oxide
Weight ratio be 1:2；
(4) each component is weighed by weight, and fire retardant, PAMAM, zinc Si composite oxide are added in mixing machine, 800 turns/
Divide under revolving speed to mix 40 minutes and obtains mixture；
(5) mixture that step (4) obtains is uniformly mixed with other components, is transferred in double screw extruder and is squeezed out
Material, water cooling to room temperature obtains environment-friendly composite material, the extrusion temperature of the double screw extruder after extruded stock is granulated with pelletizer
Degree is 180-220 DEG C, and the revolving speed of screw rod is 40rpm.
Embodiment 2
Environment-friendly composite material is made of the component of following parts by weight: melt index is 100 parts of PP of 5-10g/10min, POE 4
Part, 0.5 part of antioxidant DSTP, 9 parts of magnesium hydroxide, 1.1 parts of ethylene bis stearamide, 1.6 parts of PAMAM, zinc silicon combined oxidation
11 parts of object.
Preparation method is same as Example 1.
Embodiment 3
Environment-friendly composite material is made of the component of following parts by weight: melt index is 100 parts of PP of 5-10g/10min, POE
3.5 parts, 0.8 part of antioxidant DSTP, 10 parts of magnesium hydroxide, 1.4 parts of ethylene bis stearamide, 1.5 parts of PAMAM, zinc silicon is compound
12 parts of oxide.
Preparation method is same as Example 1.
Embodiment 4
Environment-friendly composite material is made of the component of following parts by weight: melt index is 100 parts of PP of 5-10g/10min, POE
3.2 parts, 0.9 part of antioxidant 1010,8 parts of magnesium hydroxide, 1.5 parts of ethylene bis stearamide, 1.2 parts of PAMAM, zinc silicon composite oxygen
14 parts of compound.
Preparation method is same as Example 1.
Embodiment 5
Environment-friendly composite material is made of the component of following parts by weight: melt index is 100 parts of PP of 5-10g/10min, POE
3.6 parts, 0.6 part of antioxidant DSTP, 12 parts of magnesium hydroxide, 1 part of ethylene bis stearamide, 2 parts of PAMAM, zinc silicon combined oxidation
10 parts of object.
Preparation method is same as Example 1.
Comparative Examples 1
It does not include PAMAM in component, other components and preparation method are same as Example 3.
Comparative Examples 2
It does not include zinc Si composite oxide in component, other components and preparation method are same as Example 3.
Comparative example
Comparative example is the embodiment 1 of the Chinese invention application No. is CN201810341775.3.
Experimental example one: VOC content test
It is tested with reference to VOC content of the PV3341 standard to each composite material.Test result is as shown in table 1:
| VOC content (μ gC/g) | |
| Embodiment 1 | 23 |
| Embodiment 2 | 28 |
| Embodiment 3 | 21 |
| Embodiment 4 | 30 |
| Embodiment 5 | 26 |
| Comparative Examples 1 | 95 |
| Comparative Examples 2 | 29 |
| Comparative example | 107 |
Table 1
As seen from Table 1, the VOC content of 1-5 of the embodiment of the present invention is significantly lower than comparative example.The part of Comparative Examples 1,2
Component is different from embodiment 1-5, and wherein the VOC content of Comparative Examples 1 rises very much, and it is compound to illustrate that PAMAM can be substantially reduced
The VOC content of material；The VOC content of Comparative Examples 2 and embodiment 1-5 are similar, illustrate that zinc Si composite oxide contains VOC
Amount has little effect.
Experimental example two: wearability test
With reference to GB/T 3960-1983 with wear tester test each composite material frictional qualities lose, test at room temperature into
Row, sliding speed 200rpm, load 100N, mating plate are the grinding wheel that surface is coated with diamond dust, outer diameter is 30mm, friction
Mass loss is smaller to show that wearability is stronger.Test result is as shown in table 2:
| Frictional qualities lose (mg) | |
| Embodiment 1 | 101.3 |
| Embodiment 2 | 101.9 |
| Embodiment 3 | 101.0 |
| Embodiment 4 | 102.1 |
| Embodiment 5 | 102.4 |
| Comparative Examples 1 | 148.7 |
| Comparative Examples 2 | 322.5 |
| Comparative example | 456.6 |
Table 2
As seen from Table 2, the mass loss during abrasion of 1-5 of the embodiment of the present invention is significantly less than comparative example, shows that the present invention has
Stronger wearability.The constituent part of Comparative Examples 1,2 is different from embodiment 1-5, wherein the abrasion quality of Comparative Examples 2
Loss rises very much, illustrates that zinc Si composite oxide can greatly improve the wearability of composite material；The abrasion matter of Comparative Examples 1
Amount loss rises, and illustrates that PAMAM can effectively improve dispersibility of the zinc Si composite oxide in polypropylene matrix.
Experimental example three: lower temperature resistance test
With reference to notch impact strength of each composite material of GB/T1043-93 standard test at 25 DEG C and -30 DEG C, notch is calculated
Impact strength decreased rate, notch impact strength rate of descent=(25 DEG C of notch impact strengths -- 30 DEG C of notch impact strengths)/25 DEG C
Notch impact strength × 100%, notch impact strength rate of descent is smaller to show that lower temperature resistance is stronger, and test result is as shown in table 3:
| Notch impact strength rate of descent (%) | |
| Embodiment 1 | 48.7 |
| Embodiment 2 | 48.9 |
| Embodiment 3 | 48.3 |
| Embodiment 4 | 49.0 |
| Embodiment 5 | 48.6 |
| Comparative Examples 1 | 52.8 |
| Comparative Examples 2 | 54.4 |
| Comparative example | 56.2 |
Table 3
As seen from Table 3, the notch impact strength rate of descent of 1-5 of the embodiment of the present invention is significantly less than comparative example, shows this hair
It is bright that there is stronger lower temperature resistance.The constituent part of Comparative Examples 1,2 is different from embodiment 1-5, wherein Comparative Examples 2
Notch impact strength rate of descent rises very much, illustrates that zinc Si composite oxide can effectively improve the lower temperature resistance of composite material；Ginseng
Notch impact strength rate of descent than embodiment 1 rises, and illustrates that PAMAM can effectively improve zinc Si composite oxide poly-
Dispersibility in polypropylene matrix.
Experimental example four: light fastness aging test
Test carries out in artificial ultraviolet accelerated ageing case, and ageing time is 960 hours, a length of 340nm of ultraviolet light wave, and irradiation is strong
Degree is 0.89W/m2, with reference to the static bending strength of composite material before and after GB/T 23137-2009 standard test aging, calculates quiet song
Strength retention, static bending strength × 100%, static bending strength conservation rate before static bending strength/aging after static bending strength conservation rate=aging
Show that light fastness aging is stronger more greatly, test result is as shown in table 4:
| Static bending strength conservation rate (%) | |
| Embodiment 1 | 91.8 |
| Embodiment 2 | 91.5 |
| Embodiment 3 | 92.1 |
| Embodiment 4 | 91.6 |
| Embodiment 5 | 91.7 |
| Comparative Examples 1 | 85.4 |
| Comparative Examples 2 | 80.3 |
| Comparative example | 75.9 |
Table 4
As seen from Table 4, the static bending strength conservation rate of 1-5 of the embodiment of the present invention shows tool of the present invention obviously higher than comparative example
There is stronger light fastness aging.The constituent part of Comparative Examples 1,2 is different from embodiment 1-5, and wherein Comparative Examples 2 is quiet
There are many bent strength retention decline, illustrate that zinc Si composite oxide can effectively improve the light fastness aging of composite material；Reference is real
The static bending strength conservation rate for applying example 1 has dropped, and illustrates that PAMAM can effectively improve zinc Si composite oxide in polypropylene matrix
In dispersibility.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (10)
1. a kind of environment-friendly composite material, it is characterised in that: be made of the component of following parts by weight: 100 parts of PP, toughener 3-4
Part, 0.5-1 parts of antioxidant, 8-12 parts of fire retardant, 1-1.5 parts of lubricant, 1-2 parts of PAMAM, zinc Si composite oxide 10-15
Part.
2. a kind of environment-friendly composite material according to claim 1, it is characterised in that: the melt index of the PP is 5-10g/
10min。
3. a kind of environment-friendly composite material according to claim 1, it is characterised in that: the toughener is POE.
4. a kind of environment-friendly composite material according to claim 1, it is characterised in that: the antioxidant be antioxidant 1010 or
Antioxidant DSTP.
5. a kind of environment-friendly composite material according to claim 1, it is characterised in that: the fire retardant is magnesium hydroxide.
6. a kind of environment-friendly composite material according to claim 5, it is characterised in that: the lubricant is ethylene stearic bicine diester
Amine.
7. a kind of environment-friendly composite material according to claim 1, it is characterised in that: the preparation step of the PAMAM are as follows:
A1. anhydrous methanol, ethylenediamine are added in reaction flask, reaction flask is placed in ice-water bath, by acrylic acid after stirring 1 hour
Methyl esters is added dropwise in reaction flask, is stirred to react after being warming up to 30 DEG C 24 hours, and anhydrous methanol and unreacted are removed after vacuumizing
Methyl acrylate obtain PAMAM-0.5G；
A2. anhydrous methanol, PAMAM-0.5G are added in reaction flask first, stirring after reaction flask first is placed in ice-water bath, by nothing
Water-ethanol, ethylenediamine are added in reaction flask second, and stirring obtains ethylenediamine solution in 1 hour after reaction flask second is placed in ice-water bath,
Ethylenediamine solution is added dropwise in reaction flask first, is stirred to react after being warming up to 25 DEG C 24 hours, is taken out at 80 DEG C after addition n-butanol
Vacuum, removes anhydrous methanol and unreacted methyl acrylate obtains PAMAM.
8. a kind of environment-friendly composite material according to claim 7, it is characterised in that: in the step A1, anhydrous methanol, second
Diamines, methyl acrylate weight ratio be 15:1:8.7；In step A2, the weight of anhydrous methanol, PAMAM-0.5G in reaction flask first
Amount is than being 1:1, and the mass fraction of ethylenediamine solution is 68.9%, PAMAM-0.5G, the weight ratio of ethylenediamine solution is 1:3.4.
9. a kind of environment-friendly composite material according to claim 1, it is characterised in that: the preparation of the zinc Si composite oxide
Step are as follows:
Zinc oxide is added in the deionized water of 5 times of weight, magnetic agitation 1 hour, is added dropwise to 10% matter after sonic oscillation 30 minutes
The sodium silicate solution of score is measured, 90 DEG C are heated to after adjusting pH value to 9, is aged 2 hours after continuing magnetic agitation 1 hour, will
To product filtering after wash, obtain zinc Si composite oxide after dry at 90 DEG C, wherein the weight of sodium silicate solution and zinc oxide
Amount is than being 1:2.
10. the preparation method of environment-friendly composite material described in -9 any one according to claim 1, it is characterised in that: including with
Lower step:
B1. each component is weighed by weight, and fire retardant, PAMAM, zinc Si composite oxide are added in mixing machine, 800 turns/
Divide under revolving speed to mix 40 minutes and obtains mixture；
B2. the obtained mixture of step B1 is uniformly mixed with other components, is transferred in double screw extruder and is squeezed out
Material, water cooling to room temperature obtains environment-friendly composite material, the extrusion temperature of the double screw extruder after extruded stock is granulated with pelletizer
Degree is 180-220 DEG C, and the revolving speed of screw rod is 40rpm.
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| CN110628227A (en) * | 2019-09-20 | 2019-12-31 | 江南大学 | Modified emulsified asphalt and preparation method thereof |
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| CN110358267B (en) * | 2019-07-31 | 2020-11-06 | 江南大学 | Anti-aging polyester composite material and preparation method thereof |
| CN110628227A (en) * | 2019-09-20 | 2019-12-31 | 江南大学 | Modified emulsified asphalt and preparation method thereof |
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