CN105949615A - Composite material for shell of filter core of water purifier and preparation method of composite material - Google Patents
Composite material for shell of filter core of water purifier and preparation method of composite material Download PDFInfo
- Publication number
- CN105949615A CN105949615A CN201610362289.0A CN201610362289A CN105949615A CN 105949615 A CN105949615 A CN 105949615A CN 201610362289 A CN201610362289 A CN 201610362289A CN 105949615 A CN105949615 A CN 105949615A
- Authority
- CN
- China
- Prior art keywords
- water purifier
- filter element
- purifier shell
- district
- shell composite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- 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
- B29C2948/92514—Pressure
-
- 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
Abstract
The invention provides a composite material for a shell of a filter core of a water purifier. The composite material is prepared through processing the following materials in percentage by weight: 48.5% to 73.4% of polypropylene, 0.8% to 1.4% of white mineral oil, 15% to 30% of filler, 8% to 14% of toughener, 2% to 5% of antibacterial agent, 0.6% to 0.8% of dispersant and 0.2% to 0.3% of antioxidant. The prepared polypropylene composite material has better strength compared with the traditional calcium carbonate filled modified polypropylene materials, can bear higher water pressure without cracks and water leakage, has better toughness compared with the general talcum powder modified polypropylene materials and thus can bear higher water pressure for a long time without brittle-cracks and water leakage. At the same time, the material provided by the invention also has an excellent antibacterial effect and is safe and healthy, so that safer and higher-quality drinking water can be provided for people.
Description
Technical field
The present invention relates to a kind of filter element of water purifier shell composite and preparation method thereof.
Background technology
The requirement of plastics performance is mainly had by filter element of water purifier shell: (1) safety and sanitation, to water nonpollution,
Dissolution without poisonous and harmful substance；(2) intensity wants height, prevents bottle explosion, ftractures and leak, often needs the water of process
Pressure test includes that static pressure is tested, and burst pressure test and circulating pressure are tested；(3) any surface finish, profile
Attractive in appearance；(4) chemical stability is good, and antioxidation ageing resistace is good.At present, outside filter element of water purifier on the market
Shell commonly uses calcium carbonate-filled polypropylene or low mesh number Polypropylene Modified with Packed Talcum Powder prepares, low strength,
During hydraulic pressure test, filter flask is heaved and is then ruptured or the unexpected embrittlement of pressurized, is difficult to the hydraulic pressure meeting client to product
Test request.In addition to difficulty causes the situation leaked by hydraulic pressure test, it is another that filter element of water purifier shell exists
One defect is that the drinking water for conveying exists antibacterial excessive problem.
Summary of the invention
For the defect in prior art, the technical problem to be solved in the present invention is to provide a kind of filter element of water purifier
Shell composite, this strength of materials is high, can easily pass through hydraulic pressure test, and antibacterial.
To achieve these goals, the present invention uses following technical proposals:
The filter element of water purifier shell composite that the present invention provides: by including by weight percentage
Materials described below processing prepares:
Further improve as the present invention: by materials described below processing system by weight percentage will be included
For obtaining:
Polypropylene 56.7%, white mineral oil 1.2%, filler 25%, toughener 12%, antibacterial 4%, dispersant
0.8%, antioxidant 0.3%.
Further improve as the present invention: described polypropylene is that melt flow rate (MFR) is more than 15g/10min's
Highly crystalline HOPP.
Further improve as the present invention: described melt flow rate (MFR) is according to ASTMD-1238 standard testing.
Further improving as the present invention: described filler is active talcum powder, mesh number is 2000-5000
Mesh.
Further improve as the present invention: described toughener selects ethylene-propylene elastomeric and Ethylene/Butylene
Elastomer obtains by weight 1:1 is compounding.
Further improve as the present invention: described antibacterial is nanometer silver antimicrobial master batch.
Further improve as the present invention: described dispersant is amide-type high-performance lubrication dispersing agent.
Further improve as the present invention: described antioxidant is by four [β-(3,5-di-t-butyl 4-hydroxy benzeness
Base) propanoic acid] pentaerythritol ester and tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester be by weight 1:(1-2)
Compound and obtain.
The present invention also provides for the preparation side of a kind of technique simple filter element of water purifier shell PP composite material
Method, comprises the following steps:
1), each component is weighed according to following percentage by weight:
2), all raw material mix homogeneously that will weigh；
3), mixing raw material is added in double screw extruder, through melt extruding, pelletize；Process conditions are: one
District's temperature is 200-205 DEG C, and two district's temperature are 210-215 DEG C, and three district's temperature are 215-220 DEG C, four district's temperature
Degree is for 220-225 DEG C, and head temperature 215-220 DEG C, time of staying 3-4min, pressure is 12-18MPa.
Compared with prior art, the present invention provide a kind of filter element of water purifier shell PP composite material and
Its preparation method has a beneficial effect of following patent law purposes:
The PP composite material material of the preparation of the present invention, than traditional calcium carbonate filling modified polypropylene material
Material intensity is more preferable, can bear higher hydraulic pressure and not ftracture and leak, and than general Pulvis Talci modified poly-third
Alkene toughness of material more preferably, can bear higher hydraulic pressure and not embrittlement is leaked for a long time.Meanwhile, material of the present invention
Also there are the antibacterial effect of excellence, safety and sanitation, the drinking water of safer high-quality can be provided to people.
Detailed description of the invention
A kind of filter element of water purifier shell composite present invention provided below by specific embodiment do into
One step more detailed description.
Embodiment 1
Weigh component by weight percentage to mix, polypropylene 73.4%, white mineral oil 0.8%, filler 15%,
Toughener 8%, antibacterial 2%, dispersant 0.6%, antioxidant 0.2%.The material mixed is joined double
In the hopper of screw extruder, through melt blending, extruding pelletization becomes composite.Wherein, screw rod is respectively heated
District's temperature arranges and is respectively as follows: district's temperature: 200 DEG C；2nd district: 215 DEG C；3rd district: 220 DEG C；4th district: 225 DEG C；
Head: 220 DEG C；Time of staying 3min, pressure is 15MPa.
Embodiment 2
Weigh component by weight percentage to mix, polypropylene 65.2%, white mineral oil 1.0%, filler 20%,
Toughener 9.9%, antibacterial 3%, dispersant 0.65%, antioxidant 0.25%.The material mixed is added
In the hopper of double screw extruder, through melt blending, extruding pelletization becomes composite.Wherein, screw rod is each
Heating region temperature arranges and is respectively as follows: district's temperature: 205 DEG C；2nd district: 215 DEG C；3rd district: 220 DEG C；4th district:
225℃；Head: 220 DEG C；Time of staying 4min, pressure is 12MPa.
Embodiment 3
Weigh component by weight percentage to mix, polypropylene 56.7%, white mineral oil 1.2%, filler 25%,
Toughener 12%, antibacterial 4%, dispersant 0.8%, antioxidant 0.3%.The material mixed is joined double
In the hopper of screw extruder, through melt blending, extruding pelletization becomes composite.Wherein, screw rod is respectively heated
District's temperature arranges and is respectively as follows: district's temperature: 205 DEG C；2nd district: 210 DEG C；3rd district: 215 DEG C；4th district: 220 DEG C；
Head: 215 DEG C；Time of staying 3.5min, pressure is 18MPa.
Embodiment 4
Weigh component mixing, polypropylene 48.5%, white mineral oil 1.4% by weight percentage；Filler 30%,
Toughener 14%, antibacterial 5%, dispersant 0.8%, antioxidant 0.3%.The material mixed is joined double
In the hopper of screw extruder, through melt blending, extruding pelletization becomes composite.Wherein, screw rod is respectively heated
District's temperature arranges and is respectively as follows: district's temperature: 205 DEG C；2nd district: 210 DEG C；3rd district: 215 DEG C；4th district: 220 DEG C；
Head: 215 DEG C；The time of staying 3～4min, pressure is 16MPa.
Comparative example 1
Weigh component mixing, polypropylene 79%, white mineral oil 1.0%, calcium carbonate 20% by weight percentage.Will
The material mixed joins in the hopper of double screw extruder, and through melt blending, extruding pelletization becomes composite wood
Material.Wherein, screw rod each heating region temperature arranges and is respectively as follows: district's temperature: 205 DEG C；2nd district: 210 DEG C；
3rd district: 215 DEG C；4th district: 220 DEG C；Head: 215 DEG C；The time of staying 3～4min；Pressure is 15MPa.
Comparative example 2
Weigh component mixing, polypropylene 79%, white mineral oil 1.0%, Pulvis Talci (1250 by weight percentage
Mesh) 20%.Being joined by the material mixed in the hopper of double screw extruder, through melt blending, extrusion is made
Grain becomes composite.Wherein, screw rod each heating region temperature arranges and is respectively as follows: district's temperature: 205 DEG C；2nd district:
210℃；3rd district: 215 DEG C；4th district: 220 DEG C；Head: 215 DEG C；The time of staying 3～4min；Pressure is
15MPa。
Performance test:
(1) Izod notched impact strength is tested by ASTM D-256 standard.Specimen types is I type,
Specimen size (mm): (63 ± 2) × (12.45 ± 0.2) × (3.1 ± 0.2)；
(2) hot strength is tested by ASTM D-638 standard.Specimen types is I type, batten size (mm):
(176 ± 2) (length) × (12.6 ± 0.2) (end portion width) × (3.05 ± 0.2) (thickness), draws
Stretching speed is 50mm/min；
(3) bending strength and bending modulus are tested by ASTM D-790 standard.Specimen types is sample chi
Very little (mm): (128 ± 2) × (12.67 ± 0.2) × (3.11 ± 0.2), rate of bending is 20mm/min；
(4) anti-microbial property detects with reference to People's Republic of China's light industry standard QB/T2591-2003 pad pasting
Method, investigates the bacteriostasis rate of sample 24h, and the mensuration of total plate count counts with reference to GB/T4789.2-2003.Will
50mm × 50mm made by the antibacterial model of injection formed.The calculating formula of antibiotic rate is as follows:
R (%)=(B-C)/B × 100
In formula: R-antibiotic rate, %；
The average bacterial count recovered of B-blank control sample, cfu/ sheet；
C-antibiotic plastic sample average bacterial count recovered, cfu/ sheet.
Other tests: melt index is tested according to ASTM D1238；Embodiment 1-4 formula and material
Can be shown in Table 1:
Table 1 embodiment 1-4 formula and material property
As can be seen from Table 1: for embodiment 1-4, along with the increase of filler, toughener and antibacterial,
The hot strength of material, bending strength are gradually lowered, and impact strength and percentage elongation are gradually increased, anti-microbial property
Gradually improve.Comparative example 1 (traditional calcium carbonate modified polypropylene) is though there being certain stretching, extension toughness, but intensity
The lowest, because calcium carbonate-filled performance is on the low side, affect the water pressure resistance performance of material；And comparative example 2 (general Talcum
Powder modified polypropene) there is preferable intensity, but toughness is poor, and two comparative examples all do not have embodiment 1-4
Rigid-tough balance is good.Comprehensive properties considers when polypropylene 56.7%, white mineral oil 1.2%, filler 25%,
Toughener 12%, antibacterial 4%, dispersant 0.8%, during antioxidant 0.3%, prepared PP composite material
Combination property is best, rigidity-toughness balanced, and antibacterial effect is excellent, can be widely used for filter element of water purifier sheathing material.
The explanation of above example is only intended to help to understand method and the core concept thereof of the present invention；Meanwhile,
For those of ordinary skill in the art, according to the thought of the present invention, in detailed description of the invention and range of application
Within the change inside made should be included in the present patent application scope of protection, in sum, this specification
Content should not be construed as limitation of the present invention.
Claims (10)
1. filter element of water purifier shell composite, it is characterised in that: by including by weight percentage
Materials described below processing prepare:
Filter element of water purifier shell composite the most according to claim 1, it is characterised in that: pass through
To include that materials described below processing by weight percentage prepares:
Polypropylene 56.7%, white mineral oil 1.2%, filler 25%, toughener 12%, antibacterial 4%, dispersant
0.8%, antioxidant 0.3%.
Filter element of water purifier shell composite the most according to claim 1, it is characterised in that: described
Polypropylene is the highly crystalline HOPP that melt flow rate (MFR) is more than 15g/10min.
Filter element of water purifier shell composite the most according to claim 2, it is characterised in that: described
Melt flow rate (MFR) is according to ASTMD-1238 standard testing.
Filter element of water purifier shell composite the most according to claim 1, it is characterised in that: described
Filler is active talcum powder, and mesh number is 2000-5000 mesh.
Filter element of water purifier shell composite the most according to claim 1, it is characterised in that: described
Toughener selects ethylene-propylene elastomeric and ethylene-butylene elastomer to obtain by weight 1:1 is compounding.
Filter element of water purifier shell composite the most according to claim 1, it is characterised in that: described
Antibacterial is nanometer silver antimicrobial master batch.
Filter element of water purifier shell composite the most according to claim 1, it is characterised in that: described
Dispersant is aliphatic amide type dispersant.
Filter element of water purifier shell composite the most according to claim 1, it is characterised in that: described
Antioxidant by four [β-(3,5-di-t-butyl 4-hydroxy phenyl) propanoic acid] pentaerythritol esters and tricresyl phosphite (2,
4-di-tert-butyl-phenyl) ester is by weight 1:(1-2) compounding obtain.
10. according to the arbitrary described filter element of water purifier shell PP composite material of claim 1-9
Preparation method, it is characterised in that comprise the following steps:
1), each component is weighed according to following percentage by weight:
2), all raw material mix homogeneously that will weigh；
3), mixing raw material is added in double screw extruder, through melt extruding, pelletize；Process conditions are: one
District's temperature is 200-205 DEG C, and two district's temperature are 210-215 DEG C, and three district's temperature are 215-220 DEG C, four district's temperature
Degree is for 220-225 DEG C, and head temperature 215-220 DEG C, time of staying 3-4min, pressure is 12-18MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610362289.0A CN105949615A (en) | 2016-05-26 | 2016-05-26 | Composite material for shell of filter core of water purifier and preparation method of composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610362289.0A CN105949615A (en) | 2016-05-26 | 2016-05-26 | Composite material for shell of filter core of water purifier and preparation method of composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105949615A true CN105949615A (en) | 2016-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610362289.0A Pending CN105949615A (en) | 2016-05-26 | 2016-05-26 | Composite material for shell of filter core of water purifier and preparation method of composite material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108975428A (en) * | 2018-08-09 | 2018-12-11 | 何挺 | Purification of water quality stick |
| CN109971071A (en) * | 2019-04-02 | 2019-07-05 | 金旸（厦门）新材料科技有限公司 | A kind of filter bottle of water purifier shell PP composite material, Preparation method and use |
-
2016
- 2016-05-26 CN CN201610362289.0A patent/CN105949615A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108975428A (en) * | 2018-08-09 | 2018-12-11 | 何挺 | Purification of water quality stick |
| CN109971071A (en) * | 2019-04-02 | 2019-07-05 | 金旸（厦门）新材料科技有限公司 | A kind of filter bottle of water purifier shell PP composite material, Preparation method and use |
| CN109971071B (en) * | 2019-04-02 | 2021-05-11 | 金旸（厦门）新材料科技有限公司 | Polypropylene composite material for water purifier filter bottle shell, preparation method and application |
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Application publication date: 20160921 |