CN109021389A - A kind of low composite material and preparation method with good anti-bacterial effect of water absorption rate - Google Patents
A kind of low composite material and preparation method with good anti-bacterial effect of water absorption rate Download PDFInfo
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- CN109021389A CN109021389A CN201810705421.2A CN201810705421A CN109021389A CN 109021389 A CN109021389 A CN 109021389A CN 201810705421 A CN201810705421 A CN 201810705421A CN 109021389 A CN109021389 A CN 109021389A
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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
- 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
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Abstract
The invention discloses a kind of low composite material and preparation method with good anti-bacterial effect of water absorption rate, the raw materials including following parts by weight: 65-84 parts of polypropylene, 0.8-2.2 parts of antibacterial agent, 2.4-4.6 parts of methylol acid, 8-12.5 parts of mica powder, 16-23 parts of acrylic acid ester emulsion, 3.8-6.4 parts of graphite, 3.5-6 parts of crosslinking agent, 10-15.2 parts of triisopropanolamine, 8.6-12.8 parts of macromolecule diol, 8.6-14.5 parts of para-aminophenol and 11.5-16.8 parts of rubber powder.The present invention is by carrying out different reactions between different material, obtain different products, various product mixing and extruding pelletization, form closely knit reticular structure, antibacterial agent disperses more evenly, and product mobility is more preferable, can transmit stress well, and then the mechanical property of product is improved, it reduces the water absorption rate of product while having both good antibacterial effect.
Description
Technical field
The present invention relates to a kind of composite material, the low composite material with good anti-bacterial effect of specifically a kind of water absorption rate.
Background technique
Polypropylene (referred to as: PP) because its is cheap, have excellent performance, source is wide, easy processing, be widely used to automobile,
The every field such as household electrical appliances, packaging, medical treatment become one of widest plastics of modern Application.Polypropylene has light, nontoxic, nothing
It is smelly, chemical stability is good, does not dissolve under excellent electrical property (under normal circumstances, surface resistivity is in 1016-1018 Ω), room temperature
The advantages that common solvent, small water imbibition；That there are wear-resisting properties is poor for right polypropylene, heat resistance is poor, toughness is low, barrier properties for gases is poor
Etc. a series of disadvantages, it is limited in the application of certain specific areas.
In order to improve polyacrylic performance, people prepare PP composite material.Composite material is people with advanced
New material made of material component optimum organization of different nature is divided into metal and nonmetallic two major classes by material preparation technology.
Metallic matrix there are commonly aluminium, magnesium, copper, titanium and its alloy, nonmetal basal body mainly have synthetic resin, rubber, ceramics, graphite,
Carbon etc., reinforcing material mainly have glass fibre, carbon fiber, boron fibre, aramid fiber, silicon carbide fibre, asbestos fibre, whisker,
Metal.The antibacterial effect of behavior of polypropylene composites is bad on the market at present, and which limits its application ranges.
Summary of the invention
The purpose of the present invention is to provide a kind of low composite materials with good anti-bacterial effect of water absorption rate, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of low composite material with good anti-bacterial effect of water absorption rate, the raw material including following parts by weight: polypropylene 65-84
Part, 0.8-2.2 parts of antibacterial agent, 2.4-4.6 parts of methylol acid, 8-12.5 parts of mica powder, 16-23 parts of acrylic acid ester emulsion, graphite
3.8-6.4 parts, 3.5-6 parts of crosslinking agent, 10-15.2 parts of triisopropanolamine, 8.6-12.8 parts of macromolecule diol, para-aminophenol
8.6-14.5 parts and rubber powder 11.5-16.8 parts.
As a further solution of the present invention: the average molecular weight of macromolecule diol is 4800-12000.
As a further solution of the present invention: antibacterial agent uses inorganic antiseptic or natural antibacterial agent, macromolecule diol
Including at least two in polyester diol, polyether Glycols, polyethers esterdiol and polycarbonate glycol.
As a further solution of the present invention: the fineness of mica powder is 80-100 mesh, and the partial size of rubber powder is 18-45um.
The low preparation method with the composite material of good anti-bacterial effect of the water absorption rate, the specific steps are as follows:
Step 1 mixes polypropylene, triisopropanolamine and macromolecule diol, adds catalyst and takes the photograph in 80-95
It is reacted 3-6 hours under family name's degree, obtains the first product；
Methylol acid, para-aminophenol and rubber powder are added into the first product for step 2, anti-under 72-86 degrees Celsius
It answers 4.5-7 hours, obtains the second product；
Step 3 mixes mica powder, acrylic acid ester emulsion, crosslinking agent and its 0.25-0.4 times of total weight of dehydrated alcohol
And it ball milling 1.5-3 hours in the ball mill, is then placed in the electric field of 3.8-5.6KV and is kept for 5-8 minutes, obtain third production
Object；
Graphite is crushed to 20-45um and ultrasonic disperse is uniform in water, obtains graphite dispersing solution by step 4；
Step 5, the second product, antibacterial agent, third product and graphite dispersing solution is uniform in high-speed mixer and mixing, then
Be sent into double screw extruder in extruding pelletization to get arrive finished product.
As a further solution of the present invention: the temperature of ball mill is 50-66 degrees Celsius in step 3, the ball material of ball mill
Than for 55-72:1.
As a further solution of the present invention: the mixing velocity of high mixer is 1500-1860rpm.
Compared with prior art, the beneficial effects of the present invention are: raw material sources of the present invention are extensive, preparation process is simple, fits
For large-scale industrial production, by the way that different raw material and polypropylene are used cooperatively and carried out not between different material
Same reaction obtains different products, various products mixing and extruding pelletization, changes the affinity between various products,
Closely knit reticular structure is formed, antibacterial agent disperses more evenly, and product mobility is more preferable, can transmit stress, Jin Erti well
The mechanical property of high product reduces the water absorption rate of product while having both good antibacterial effect.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Embodiment 1
A kind of low composite material with good anti-bacterial effect of water absorption rate, the raw material including following parts by weight: 65 parts of polypropylene resists
It is 0.8 part of microbial inoculum, 2.4 parts of methylol acid, 8 parts of mica powder, 16 parts of acrylic acid ester emulsion, 3.8 parts of graphite, 3.5 parts of crosslinking agent, three different
10 parts of Propanolamine, 8.6 parts of macromolecule diol, 8.6 parts of para-aminophenol and 11.5 parts of rubber powder.Antibacterial agent uses inorganic antibacterial
Agent or natural antibacterial agent, macromolecule diol include the mixture of the pure and mild polyether ester glycol of polyester binary.
The low preparation method with the composite material of good anti-bacterial effect of the water absorption rate, the specific steps are as follows:
Step 1 mixes polypropylene, triisopropanolamine and macromolecule diol, adds catalyst and at 86 degrees Celsius
Lower reaction 3.5 hours, obtains the first product；
Methylol acid, para-aminophenol and rubber powder are added into the first product, reacts under 77 degrees Celsius for step 2
5.5 hours, obtain the second product；
Step 3, by mica powder, acrylic acid ester emulsion, crosslinking agent and its 0.28 times of total weight dehydrated alcohol mix and
Ball milling 2.5 hours in the ball mill, the temperature of ball mill are 58 degrees Celsius, and the ratio of grinding media to material of ball mill is 58:1, are then placed in
It is kept for 6 minutes in the electric field of 5.2KV, obtains third product；
Graphite is crushed to 28um and ultrasonic disperse is uniform in water, obtains graphite dispersing solution by step 4；
Step 5, the second product, antibacterial agent, third product and graphite dispersing solution is uniform in high-speed mixer and mixing, then
Be sent into double screw extruder in extruding pelletization to get arrive finished product.
Embodiment 2
A kind of low composite material with good anti-bacterial effect of water absorption rate, the raw material including following parts by weight: 71.6 parts of polypropylene,
1.3 parts of antibacterial agent, methylol sour 3.2 parts, 9.8 parts of mica powder, 19.6 parts of acrylic acid ester emulsion, 4.5 parts of graphite, crosslinking agent 4.7
Part, 12.5 parts of triisopropanolamine, 10.5 parts of macromolecule diol, 11.1 parts of para-aminophenol and 13.3 parts of rubber powder.Macromolecule
The average molecular weight of dihydric alcohol is 6500-10000.The fineness of mica powder is 90 mesh, and the partial size of rubber powder is 32um.
The low preparation method with the composite material of good anti-bacterial effect of the water absorption rate, the specific steps are as follows:
Step 1 mixes polypropylene, triisopropanolamine and macromolecule diol, adds catalyst and at 92 degrees Celsius
Lower reaction 4.8 hours, obtains the first product；
Methylol acid, para-aminophenol and rubber powder are added into the first product, reacts under 85 degrees Celsius for step 2
6.6 hours, obtain the second product；
Step 3, by mica powder, acrylic acid ester emulsion, crosslinking agent and its 0.34 times of total weight dehydrated alcohol mix and
Ball milling 2.4 hours in the ball mill are then placed in the electric field of 4.5KV and are kept for 6 minutes, obtain third product；
Graphite is crushed to 44um and ultrasonic disperse is uniform in water, obtains graphite dispersing solution by step 4；
Step 5, the second product, antibacterial agent, third product and graphite dispersing solution is uniform in high-speed mixer and mixing, and height is mixed
The mixing velocity of machine is 1590rpm, is then fed into double screw extruder extruding pelletization to get to finished product.
Embodiment 3
A kind of low composite material with good anti-bacterial effect of water absorption rate, the raw material including following parts by weight: 82.6 parts of polypropylene,
1.9 parts of antibacterial agent, methylol sour 4.4 parts, 12.2 parts of mica powder, 21.8 parts of acrylic acid ester emulsion, 5.8 parts of graphite, crosslinking agent 5.4
Part, 14.6 parts of triisopropanolamine, 11.7 parts of macromolecule diol, 13.4 parts of para-aminophenol and 15.2 parts of rubber powder.Macromolecule
The average molecular weight of dihydric alcohol is 8300-12000.Antibacterial agent uses natural antibacterial agent, and macromolecule diol includes polyethers binary
The mixture of alcohol, polyethers esterdiol and polycarbonate glycol.
The low preparation method with the composite material of good anti-bacterial effect of the water absorption rate, the specific steps are as follows:
Step 1 mixes polypropylene, triisopropanolamine and macromolecule diol, adds catalyst and at 86 degrees Celsius
Lower reaction 5.4 hours, obtains the first product；
Methylol acid, para-aminophenol and rubber powder are added into the first product, reacts 6 at 80 degrees celsius for step 2
Hour, obtain the second product；
Step 3, by mica powder, acrylic acid ester emulsion, crosslinking agent and its 0.35 times of total weight dehydrated alcohol mix and
Ball milling 2.6 hours in the ball mill, the temperature of ball mill are 57 degrees Celsius, and the ratio of grinding media to material of ball mill is 64:1, are then placed in
It is kept for 5 minutes in the electric field of 4.8KV, obtains third product；
Graphite is crushed to 36um and ultrasonic disperse is uniform in water, obtains graphite dispersing solution by step 4；
Step 5, the second product, antibacterial agent, third product and graphite dispersing solution is uniform in high-speed mixer and mixing, then
Be sent into double screw extruder in extruding pelletization to get arrive finished product.
Embodiment 4
A kind of low composite material with good anti-bacterial effect of water absorption rate, the raw material including following parts by weight: 84 parts of polypropylene resists
2.2 parts of microbial inoculum, methylol sour 4.6 parts, 12.5 parts of mica powder, 23 parts of acrylic acid ester emulsion, 6.4 parts of graphite, 6 parts of crosslinking agent, three
15.2 parts of isopropanolamine, 12.8 parts of macromolecule diol, 14.5 parts of para-aminophenol and 16.8 parts of rubber powder.Macromolecule diol
Average molecular weight be 4800-12000.Antibacterial agent uses natural antibacterial agent, and macromolecule diol includes polyester diol, polyethers
The mixture of dihydric alcohol, polyethers esterdiol and polycarbonate glycol.The fineness of mica powder is 100 mesh, and the partial size of rubber powder is
38um。
The low preparation method with the composite material of good anti-bacterial effect of the water absorption rate, the specific steps are as follows:
Step 1 mixes polypropylene, triisopropanolamine and macromolecule diol, adds catalyst and at 92 degrees Celsius
Lower reaction 5 hours, obtains the first product；
Methylol acid, para-aminophenol and rubber powder are added into the first product, reacts under 84 degrees Celsius for step 2
4.5-7 hours, obtain the second product；
Step 3, by mica powder, acrylic acid ester emulsion, crosslinking agent and its 0.4 times of total weight dehydrated alcohol mix and
Ball milling 2.8 hours in the ball mill, the temperature of ball mill are 65 degrees Celsius, and the ratio of grinding media to material of ball mill is 68:1, are then placed in 5KV
Electric field in kept for 6 minutes, obtain third product；
Graphite is crushed to 35um and ultrasonic disperse is uniform in water, obtains graphite dispersing solution by step 4；
Step 5, the second product, antibacterial agent, third product and graphite dispersing solution is uniform in high-speed mixer and mixing, and height is mixed
The mixing velocity of machine is 1710rpm, is then fed into double screw extruder extruding pelletization to get to finished product.
Comparative example 1
Except para-aminophenol is not contained, remaining raw material and preparation method are same as Example 3.
Comparative example 2
Using existing PP composite material as a comparison case 2.
The product of the product of embodiment 1-4 and comparative example 1-2 is tested for the property, test result is shown in Table 1.
Table 1
From table 1 it follows that the product of embodiment 1-4 is in anti-Staphylococcus aureus, Escherichia coli and black aspergillus
The product of comparative example 1-2 is superior in performance, the product of embodiment 1-4 also has good mechanical property and low water absorption, can
To meet the use demand of people.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of low composite material with good anti-bacterial effect of water absorption rate, which is characterized in that the raw material including following parts by weight: poly- third
65-84 parts of alkene, 0.8-2.2 parts of antibacterial agent, 2.4-4.6 parts of methylol acid, 8-12.5 parts of mica powder, acrylic acid ester emulsion 16-23
It is part, 3.8-6.4 parts of graphite, 3.5-6 parts of crosslinking agent, 10-15.2 parts of triisopropanolamine, 8.6-12.8 parts of macromolecule diol, right
8.6-14.5 parts and rubber powder 11.5-16.8 parts of amino-phenol.
2. the low composite material with good anti-bacterial effect of water absorption rate according to claim 1, which is characterized in that the macromolecule
The average molecular weight of dihydric alcohol is 4800-12000.
3. the low composite material with good anti-bacterial effect of water absorption rate according to claim 1, which is characterized in that the antibacterial agent
Using inorganic antiseptic or natural antibacterial agent, macromolecule diol include polyester diol, polyether Glycols, polyethers esterdiol and
At least two in polycarbonate glycol.
4. the low composite material with good anti-bacterial effect of water absorption rate according to claim 1, which is characterized in that the mica powder
Fineness be 80-100 mesh, the partial size of rubber powder is 18-45um.
5. a kind of low preparation method with the composite material of good anti-bacterial effect of water absorption rate as described in claim 1-4 is any,
It is characterized in that, the specific steps are as follows:
Step 1 mixes polypropylene, triisopropanolamine and macromolecule diol, adds catalyst and at 80-95 degrees Celsius
Lower reaction 3-6 hours, obtains the first product；
Methylol acid, para-aminophenol and rubber powder are added into the first product, reacts under 72-86 degrees Celsius for step 2
4.5-7 hours, obtain the second product；
Step 3, by mica powder, acrylic acid ester emulsion, crosslinking agent and its 0.25-0.4 times of total weight dehydrated alcohol mix and
It ball milling 1.5-3 hours in the ball mill, is then placed in the electric field of 3.8-5.6KV and is kept for 5-8 minutes, obtain third product；
Graphite is crushed to 20-45um and ultrasonic disperse is uniform in water, obtains graphite dispersing solution by step 4；
Step 5, the second product, antibacterial agent, third product and graphite dispersing solution is uniform in high-speed mixer and mixing, it is then fed into
In double screw extruder extruding pelletization to get arrive finished product.
6. the low preparation method with the composite material of good anti-bacterial effect of water absorption rate according to claim 5, which is characterized in that
The temperature of ball mill is 50-66 degrees Celsius in the step 3, and the ratio of grinding media to material of ball mill is 55-72:1.
7. the low preparation method with the composite material of good anti-bacterial effect of water absorption rate according to claim 5, which is characterized in that
The mixing velocity of the high mixer is 1500-1860rpm.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100690194B1 (en) * | 2006-02-07 | 2007-03-12 | 삼성토탈 주식회사 | Antifungal polypropylene resin composition with excellent sound absorbency |
| CN101108906A (en) * | 2007-08-22 | 2008-01-23 | 上海景鹏日用品有限公司 | Polypropylene plastics and manufacturing method thereof |
| CN101701095A (en) * | 2009-11-24 | 2010-05-05 | 王崇高 | Folding-resisting antibacterial resin |
| CN103965547A (en) * | 2014-03-31 | 2014-08-06 | 芜湖同达新材料科技有限公司 | Antibacterial PP (polypropylene) modified resin and preparation technology thereof |
| CN105199236A (en) * | 2014-06-11 | 2015-12-30 | 上海圳拓实业有限公司 | Antibacterial composite and preparing method thereof |
| CN105237781A (en) * | 2015-10-09 | 2016-01-13 | 滁州环球聚氨酯科技有限公司 | Heat-resistant water-resistant modified polyurethane composite material |
| CN107418050A (en) * | 2017-06-21 | 2017-12-01 | 安徽江淮汽车集团股份有限公司 | A kind of high-performance antibiosis PP PA6 composites and preparation method thereof |
-
2018
- 2018-07-02 CN CN201810705421.2A patent/CN109021389A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100690194B1 (en) * | 2006-02-07 | 2007-03-12 | 삼성토탈 주식회사 | Antifungal polypropylene resin composition with excellent sound absorbency |
| CN101108906A (en) * | 2007-08-22 | 2008-01-23 | 上海景鹏日用品有限公司 | Polypropylene plastics and manufacturing method thereof |
| CN101701095A (en) * | 2009-11-24 | 2010-05-05 | 王崇高 | Folding-resisting antibacterial resin |
| CN103965547A (en) * | 2014-03-31 | 2014-08-06 | 芜湖同达新材料科技有限公司 | Antibacterial PP (polypropylene) modified resin and preparation technology thereof |
| CN105199236A (en) * | 2014-06-11 | 2015-12-30 | 上海圳拓实业有限公司 | Antibacterial composite and preparing method thereof |
| CN105237781A (en) * | 2015-10-09 | 2016-01-13 | 滁州环球聚氨酯科技有限公司 | Heat-resistant water-resistant modified polyurethane composite material |
| CN107418050A (en) * | 2017-06-21 | 2017-12-01 | 安徽江淮汽车集团股份有限公司 | A kind of high-performance antibiosis PP PA6 composites and preparation method thereof |
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