CN106589657A - Weather-resistant PVC corrugated pipe - Google Patents
Weather-resistant PVC corrugated pipe Download PDFInfo
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- CN106589657A CN106589657A CN201610911038.3A CN201610911038A CN106589657A CN 106589657 A CN106589657 A CN 106589657A CN 201610911038 A CN201610911038 A CN 201610911038A CN 106589657 A CN106589657 A CN 106589657A
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- C—CHEMISTRY; METALLURGY
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
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Abstract
The invention relates to the technical field of pipe materials and discloses a weather-resistant PVC corrugated pipe which includes a corrugated pipe body. A bottom coating layer is formed on the corrugated pipe body and a weather resistant coating layer is formed on the bottom coating layer. The bottom coating layer is formed by curing a bottom coating. The weather resistant coating layer is formed by curing a weather resistant coating. The bottom coating includes 55-65 parts of epoxy resin, 14-16 parts of a curing agent, 2-4 parts of a flatting agent and 20-24 parts of a filler; the weather resistant coating includes 10-20 parts of polyimide resin or organic silicon modified polyester resin, 20-40 parts of tetrabutyl titanate, 5-10 parts of phenyltrimethoxysilane, 10-20 parts of a filler, 2-4 parts of a pH regulator, 5-15 parts of a pigment, 10-20 parts of N-methylpyrrolidone and 4-6 parts of water. The PVC corrugated pipe is excellent in compression resistance and weather resistance and can be applied in some complex environments, is not liable to age and embrittle and is prolonged in service life.
Description
Technical field
The present invention relates to tubing technical field, more particularly to a kind of weather resistant PVC corrugated tubes.
Background technology
The application of the corrugated tube of PVC materials is quite varied, mainly has：1st, municipal works.Can be used for draining, blowdown
Pipe；2nd, architectural engineering.For building rain pipe, subsoil drain, blow-off pipe, ventilation duct etc.；3rd, electrical telecommunication engineering.Can use
For the protection pipe of various power cables；4th, railway, road telecommunication.With the protection pipe for communication cable, optical cable；5th, industry.PVC is double
Wall corrugated tube is widely used in the sewage pipe of the industries such as chemical industry, medicine, environmental protection；6th, agricultural, field engineering.For farmland, orchard,
Tea place and forest belt irrigation and drainage；7th, road engineering.Pvc double-wall corrugated pipes are used as railway, the oozing of highway, drain pipe；8th, mining site.
Pvc double-wall corrugated pipes can do mine ventilation, send water drain pipe.
Wherein in some fields, because PVC corrugated tubes need to undergo external pressure or impact, and cold and hot, illumination etc.
Affect, therefore, the comprcssive strength, weatherability for PVC corrugated tubes has higher requirement.
The Chinese patent of Application No. CN201410777320.8 discloses a kind of improvement Double-wall PVC corrugated tube, belongs to pipe
Material technical field.It is made up of the following raw material：Polyvinyl chloride resin 95-100, complex lead salt stabilizer 5.8-6.0, OPE
(OPE) 0.45-0.5, stearic acid 0.6-0.7, its chlorinated polypropylene silane (CPS-820) 0.75-0.8, ACR processing aid (401)
3-3.5, chlorinated polyethylene (CPE) 8, Calcium Carbonate 80.The advantage of the invention is intensity height, inner wall smooth, frictional resistance are little, circulate
Amount is big, light weight, and high temperature is not easily decomposed, and significantly reduces the fragility of original Double-wall PVC corrugated tube, breaks through some effects of environment
Factor, improves Double-wall PVC corrugated tube service life.
Although above-mentioned corrugated tube is compounded to PVC material, the intensity of corrugated tube is improve to a certain extent,
The weatherability of corrugated tube is still more short of, easily aging in some adverse circumstances, causes service life shorter.
The content of the invention
In order to solve above-mentioned technical problem, the invention provides a kind of weather resistant PVC corrugated tubes.The invention provides a kind of
Crushing resistance is good, the PVC corrugated tubes of good weatherability so as in being applied to some complex environments, non-aging, embrittlement, extends
Service life.
The present invention concrete technical scheme be：A kind of weather resistant PVC corrugated tubes, including ripple tube body, the corrugated tube
Body surface is provided with prime coat layer, and the prime coat layer is provided with weathering resistance coatings；Prime coat layer is formed by primer base solidification, resistance to
Wait coating to be formed by weather-resistant coating solidification.
The primer base includes the component of following mass parts：Epoxy resin 55-65 parts, firming agent 14-16 parts, levelling agent
2-4 parts, filler 20-24 parts.
The weather-resistant coating includes the component of following mass parts：Polyimide resin or silicone modified polyester resin 10-
20 parts, butyl titanate 20-40 parts, phenyltrimethoxysila,e 5-10 part, filler 10-20 parts, pH adjusting agent 2-4 part, pigment
5-15 parts, N-Methyl pyrrolidone 10-20 parts, water 4-6 parts.
Common corrugated tube, its weatherability is poor, and common practices are the coatings on corrugated tube, but the ripple of plastic material
Pipe, because frosting can be relatively low, common weather-resistant coating is difficult attachment, easily peels after time length.
In order to overcome this defect, now bellows surface coats one layer of primer base to the present invention, above-mentioned primer base with
The adhesive force of corrugated tube is higher, is then coated with one layer of weather-resistant coating, and above-mentioned weather-resistant coating weatherability, resistance to ag(e)ing are good, and with
Primer base cohesive force is strong, difficult for drop-off after long-time.
Preferably, described filler is selected from aluminium sesquioxide, aerosil, mica powder.
Preferably, the preparation method of the weather-resistant coating is as follows：
1) butyl titanate, phenyltrimethoxysila,e, N-Methyl pyrrolidone are uniformly mixed according to a ratio；
2) polyimide resin or silicone modified polyester resin of formula ratio, stirring and dissolving are added；
3) water and pH adjusting agent of formula ratio are added, 40-50 DEG C is heated to, 4-6 hours are reacted, room temperature is subsequently cooled to,
Jing is filtered and is obtained hybrid resin；
4) pigment and filler of formula ratio are added, after elder generation Jing after batch mixing, grinding, filtering, weather-resistant coating is obtained.
Above-mentioned weather-resistant coating carries out organic polyimide resin or silicone modified polyester resin with inorganic material miscellaneous
Change compound, polyimide resin or silicone modified polyester resin mutually mixed with butyl titanate, after tetrabutyl titanate hydrolysis
Inorganic network structure is formed on resin matrix, makes organic material intert crosslinking mutually with inorganic material in sol-gel process,
Complicated three-dimensional net structure is formed, dispersion of the inorganic material in organic material is more uniformly distributed, and both compatibilitys are good, so that
Obtain bar and there is preferable weather resistance.
Preferably, the ripple tube body is obtained from PVC based composite plastics, the PVC based composite plastics are by following
The raw material compounding of mass parts is obtained：PVC 35-45 parts, CPE 6-14 parts, MBS 10-20 parts, modified EVA 10-20 parts, the wood fiber
3-5 parts, calcium sulfate whisker 1-3 part, Calcium Carbonate 3-7 part, Pulvis Talci 2-8 parts, glass microballoon 2-6 parts.
The present invention selects special PVC based composite plastics, and good toughness, intensity is high, and less brittle melting is split, and can make corrugated tube
With longer service life.In formula, MBS has good resistance to impact, crushing resistance, and CPE has preferably ageing-resistant
Property, weatherability, toughness, modified EVA has outstanding intensity, shock resistance, corrosion resistance and certain toughness, and the suction of EVA
Aqueouss are poor, and in lower temperature environments, if water content is high in material, material is easily broken after icing, therefore EVA can be improved
Tolerance to cold.The wood fiber is capable of the degree of cross linking of reinforcing material, and calcium sulfate crystal whiskers can also increase crosslinking, improve toughness.Calcium Carbonate is made
For filler, cost-effective, Pulvis Talci, glass microballoon can strengthen the mobility of system, be easy to be molded into mould.
Preferably, the preparation method of the modified EVA is：By the graphene oxide water solution that concentration is 20-24wt%
45-55 DEG C is heated to, is then stirred, during stirring, Deca water-soluble polyamic acid is molten in graphene oxide water solution
Liquid, obtains colloidal sol；The concentration of the water-soluble polyamic acid solution is 4-6wt%, and dripping quantity is graphene oxide water solution body
Long-pending 5-6 times；Colloidal sol is stored at room temperature into 4-8h, unreacting substance in colloidal sol is washed with water；Then under nitrogen atmosphere, with 5-7
DEG C/colloidal sol is warming up to 350-450 DEG C by the speed of min, is incubated 1.5-2.5h, then with the ramp of 8-10 DEG C/min extremely
550-650 DEG C, be incubated 1-3h, then take out it is clean, through drying, grinding after, be obtained graphene-based composite aerogel powder；By second
Alkene, vinyl acetate, graphene-based composite aerogel powder are by weight 72-80:8-12:12-16 mixing copolymerization, is obtained modified EVA.
Modified EVA in the present invention is by the preparation of ethylene, vinyl acetate, graphene-based composite aerogel powder routinely EVA
Method carries out copolymerization, compared with conventional EVA, with light weight, intensity is high the characteristics of.In the preparation of graphene-based composite aerogel powder
During, water-soluble polyamic acid solution is crosslinked with graphene oxide water solution, generates the colloidal sol of three-dimensional net structure, molten
In first time high-temperature process, moisture evaporates rapidly glue, and water-soluble polyamic acid occurs heat Asia amidatioon and is converted into polyamides
Imines, graphene oxide continues to be crosslinked with polyimides, and simultaneous oxidation Graphene is also reduced to Graphene, generates large number of orifices
Hole.In second high-temperature process, there is the physical properties such as carbonization, formation aeroge, therefore intensity and obtain in part colloidal sol
Greatly improve.Wherein the content of vinyl acetate is controlled in 8-12% or so so as to suitable intensity and toughness, if acetic acid second
Alkene content continues to raise, then toughness rises and intensity decreases, it is impossible to meets and requires.And the content of graphene-based composite aerogel powder
In 12-16%, coordinate with vinyl acetate and there is preferable intensity.
Preferably, the preparation method of the wood fiber is：Timber is ground into into wooden grain, by wooden grain Task-size Controlling after sieving
In 200-400 mesh, then sterilize 1-2h at a temperature of 130-150 DEG C, and the prepared wood fiber is dried after sterilizing.
The addition of the wood fiber can strengthen the degree of cross linking of system, prevent plastics from ftractureing.
It is compared with the prior art, the invention has the beneficial effects as follows：The invention provides a kind of crushing resistance is good, good weatherability
PVC corrugated tubes so as in being applied to some complex environments, non-aging, embrittlement increases the service life.
Specific embodiment
With reference to embodiment, the invention will be further described.
Embodiment 1
A kind of weather resistant PVC corrugated tubes, including ripple tube body, the corrugated tube body surface is provided with prime coat layer, institute
State prime coat layer and be provided with weathering resistance coatings.
The ripple tube body is obtained from PVC based composite plastics, and the prime coat layer is formed by primer base solidification, institute
State weathering resistance coatings to be formed by weather-resistant coating solidification.
Wherein,
The PVC based composite plastics are obtained by the raw material compounding of following mass parts：10 parts of 40 parts of PVC, CPE, MBS 15
Part, 15 parts of modified EVA, 4 parts of the wood fiber, 2 parts of calcium sulfate whisker, 5 parts of Calcium Carbonate, 5 parts of Pulvis Talci, 4 parts of glass microballoon.
The preparation method of the modified EVA is：Graphene oxide water solution of the concentration for 22wt% is heated to into 50 DEG C, so
After be stirred, during stirring, Deca water-soluble polyamic acid solution, obtains colloidal sol in graphene oxide water solution；It is described
The concentration of water-soluble polyamic acid solution is 5wt%, and dripping quantity is 5.5 times of graphene oxide water solution volume；By colloidal sol room
Temperature stands 6h, washes unreacting substance in colloidal sol with water；Then under nitrogen atmosphere, colloidal sol is heated up with the speed of 6 DEG C/min
To 400 DEG C, 2h is incubated, then with the ramp of 9 DEG C/min to 600 DEG C, is incubated 2h, then take out clean, through drying, ground
After mill, graphene-based composite aerogel powder is obtained；By ethylene, vinyl acetate, graphene-based composite aerogel powder by weight 76:
10:14 mixing copolymerization, are obtained modified EVA.
The preparation method of the wood fiber is：Timber is ground into into wooden grain, by wooden grain Task-size Controlling in 200-400 after sieving
Mesh, then sterilize 1.5h at a temperature of 140 DEG C, and the prepared wood fiber is dried after sterilizing.
The primer base includes the component of following mass parts：60 parts of epoxy resin, 15 parts of firming agent, 3 parts of levelling agent, three
22 parts of Al 2 O.
The weather-resistant coating includes the component of following mass parts：Polyimide resin 10-20 parts, 30 parts of butyl titanate,
7 parts of phenyltrimethoxysila,e, 15 parts of aerosil, 3 parts of pH adjusting agent, 10 parts of pigment, 15 parts of N-Methyl pyrrolidone,
5 parts of water.
The preparation method of the weather-resistant coating is as follows：
1) butyl titanate, phenyltrimethoxysila,e, N-Methyl pyrrolidone are uniformly mixed according to a ratio；
2) polyimide resin of formula ratio, stirring and dissolving are added；
3) water and pH adjusting agent of formula ratio are added, 45 DEG C are heated to, is reacted 5 hours, be subsequently cooled to room temperature, Jing is filtered
Obtain hybrid resin；
4) pigment and filler of formula ratio are added, after elder generation Jing after batch mixing, grinding, filtering, weather-resistant coating is obtained.
Embodiment 2
A kind of weather resistant PVC corrugated tubes, including ripple tube body, the corrugated tube body surface is provided with prime coat layer, institute
State prime coat layer and be provided with weathering resistance coatings.
The ripple tube body is obtained from PVC based composite plastics, and the prime coat layer is formed by primer base solidification, institute
State weathering resistance coatings to be formed by weather-resistant coating solidification.
Wherein,
The PVC based composite plastics are obtained by the raw material compounding of following mass parts：6 parts of 35 parts of PVC, CPE, MBS 10
Part, 20 parts of modified EVA, 5 parts of the wood fiber, 3 parts of calcium sulfate whisker, 7 parts of Calcium Carbonate, 8 parts of Pulvis Talci, 6 parts of glass microballoon.
The preparation method of the modified EVA is：Graphene oxide water solution of the concentration for 20wt% is heated to into 45 DEG C, so
After be stirred, during stirring, Deca water-soluble polyamic acid solution, obtains colloidal sol in graphene oxide water solution；It is described
The concentration of water-soluble polyamic acid solution is 4wt%, and dripping quantity is 5 times of graphene oxide water solution volume；By colloidal sol room temperature
4h is stood, unreacting substance in colloidal sol is washed with water；Then under nitrogen atmosphere, colloidal sol is warming up to the speed of 5 DEG C/min
350 DEG C, 2.5h is incubated, then with the ramp of 8 DEG C/min to 550 DEG C, is incubated 3h, then take out clean, through drying, ground
After mill, graphene-based composite aerogel powder is obtained；By ethylene, vinyl acetate, graphene-based composite aerogel powder by weight 72:
8:12 mixing copolymerization, are obtained modified EVA.
The preparation method of the wood fiber is：Timber is ground into into wooden grain, by wooden grain Task-size Controlling in 200-400 after sieving
Mesh, then sterilize 2h at a temperature of 130 DEG C, and the prepared wood fiber is dried after sterilizing.
The primer base includes the component of following mass parts：58 parts of epoxy resin, 14 parts of firming agent, 4 parts of levelling agent, gas
24 parts of aerosil.
The weather-resistant coating includes the component of following mass parts：14 parts of silicone modified polyester resin, butyl titanate 40
Part, 5 parts of phenyltrimethoxysila,e, 20 parts of mica powder, 2 parts of pH adjusting agent, 5 parts of pigment, 10 parts of N-Methyl pyrrolidone, water 4
Part.
The preparation method of the weather-resistant coating is as follows：
1) butyl titanate, phenyltrimethoxysila,e, N-Methyl pyrrolidone are uniformly mixed according to a ratio；
2) silicone modified polyester resin of formula ratio, stirring and dissolving are added；
3) water and pH adjusting agent of formula ratio are added, 40 DEG C are heated to, is reacted 6 hours, be subsequently cooled to room temperature, Jing is filtered
Obtain hybrid resin；
4) pigment and filler of formula ratio are added, after elder generation Jing after batch mixing, grinding, filtering, weather-resistant coating is obtained.
Embodiment 3
A kind of weather resistant PVC corrugated tubes, including ripple tube body, the corrugated tube body surface is provided with prime coat layer, institute
State prime coat layer and be provided with weathering resistance coatings.
The ripple tube body is obtained from PVC based composite plastics, and the prime coat layer is formed by primer base solidification, institute
State weathering resistance coatings to be formed by weather-resistant coating solidification.
Wherein,
The PVC based composite plastics are obtained by the raw material compounding of following mass parts：14 parts of 45 parts of PVC, CPE, MBS 20
Part, 10 parts of modified EVA, 3 parts of the wood fiber, 1 part of calcium sulfate whisker, 3 parts of Calcium Carbonate, 2 parts of Pulvis Talci, 2 parts of glass microballoon.
The preparation method of the modified EVA is：Graphene oxide water solution of the concentration for 24wt% is heated to into 55 DEG C, so
After be stirred, during stirring, Deca water-soluble polyamic acid solution, obtains colloidal sol in graphene oxide water solution；It is described
The concentration of water-soluble polyamic acid solution is 6wt%, and dripping quantity is 6 times of graphene oxide water solution volume；By colloidal sol room temperature
8h is stood, unreacting substance in colloidal sol is washed with water；Then under nitrogen atmosphere, colloidal sol is warming up to the speed of 7 DEG C/min
450 DEG C, be incubated 1.5h, then with the ramp of 10 DEG C/min to 650 DEG C, be incubated 1h, then take out it is clean, through drying,
After grinding, graphene-based composite aerogel powder is obtained；By ethylene, vinyl acetate, graphene-based composite aerogel powder by weight
80:12:16 mixing copolymerization, are obtained modified EVA.
The preparation method of the wood fiber is：Timber is ground into into wooden grain, by wooden grain Task-size Controlling in 200-400 after sieving
Mesh, then sterilize 1h at a temperature of 150 DEG C, and the prepared wood fiber is dried after sterilizing.
The primer base includes the component of following mass parts：62 parts of epoxy resin, 16 parts of firming agent, 2 parts of levelling agent, cloud
20 parts of female powder.
The weather-resistant coating includes the component of following mass parts：Polyimide resin or silicone modified polyester resin 20
Part, 20 parts of butyl titanate, 10 parts of phenyltrimethoxysila,e, 10 parts of mica powder, 4 parts of pH adjusting agent, 15 parts of pigment, N- methyl
15 parts of ketopyrrolidine, 6 parts of water.
The preparation method of the weather-resistant coating is as follows：
1) butyl titanate, phenyltrimethoxysila,e, N-Methyl pyrrolidone are uniformly mixed according to a ratio；
2) polyimide resin or silicone modified polyester resin of formula ratio, stirring and dissolving are added；
3) water and pH adjusting agent of formula ratio are added, 50 DEG C are heated to, is reacted 4 hours, be subsequently cooled to room temperature, Jing is filtered
Obtain hybrid resin；
4) pigment and filler of formula ratio are added, after elder generation Jing after batch mixing, grinding, filtering, weather-resistant coating is obtained.
Performance test
Properties test is carried out to the coating (50 micron thickness) of bellows surface obtained in embodiment 1-3.
Adhesion test：Adhesion test is carried out by GB/T1720 methods, test result is adhesion 1 grade.
Resistance to impact is tested：Resistance to impact test is carried out by GB/T 1732-1993, test result is to pass through.
Salt spray test：Salt spray test (50 microns of thickness) is carried out by GB/T1771 methods, test result is 240h.
Alkali resistance test：By GB/T9274-88 methods carry out alkaline-resisting (0.1mol/NaOH) test, test result be more than
24h。
Raw materials used in the present invention, equipment, unless otherwise noted, is the conventional raw material, equipment of this area；In the present invention
Method therefor, unless otherwise noted, is the conventional method of this area.
The above, is only presently preferred embodiments of the present invention, and not the present invention is imposed any restrictions, every according to the present invention
Any simple modification, change and equivalent transformation that technical spirit is made to above example, still fall within the technology of the present invention side
The protection domain of case.
Claims (6)
1. a kind of weather resistant PVC corrugated tubes, including ripple tube body, it is characterised in that：The corrugated tube body surface is provided with to be beaten
Priming coat, the prime coat layer is provided with weathering resistance coatings；Prime coat layer is formed by primer base solidification, and weathering resistance coatings are by weather-proof painting
Material solidification is formed；
The primer base includes the component of following mass parts：Epoxy resin 55-65 parts, firming agent 14-16 parts, levelling agent 2-4
Part, filler 20-24 parts；
The weather-resistant coating includes the component of following mass parts：Polyimide resin or silicone modified polyester resin 10-20 parts,
Butyl titanate 20-40 parts, phenyltrimethoxysila,e 5-10 part, filler 10-20 parts, pH adjusting agent 2-4 part, pigment 5-15
Part, N-Methyl pyrrolidone 10-20 parts, water 4-6 parts.
2. a kind of weather resistant PVC corrugated tubes as claimed in claim 1, it is characterised in that described filler selected from aluminium sesquioxide,
Aerosil, mica powder.
3. a kind of weather resistant PVC corrugated tubes as claimed in claim 1, it is characterised in that the preparation method of the weather-resistant coating
It is as follows：
1) butyl titanate, phenyltrimethoxysila,e, N-Methyl pyrrolidone are uniformly mixed according to a ratio；
2) polyimide resin or silicone modified polyester resin of formula ratio, stirring and dissolving are added；
3) water and pH adjusting agent of formula ratio are added, 40-50 DEG C is heated to, 4-6 hours are reacted, room temperature is subsequently cooled to, is passed through
Filter obtains hybrid resin；
4) pigment and filler of formula ratio are added, after elder generation Jing after batch mixing, grinding, filtering, weather-resistant coating is obtained.
4. a kind of weather resistant PVC corrugated tubes as claimed in claim 1, it is characterised in that the ripple tube body selects PVC bases
Composite plastic is obtained, and the PVC based composite plastics are obtained by the raw material compounding of following mass parts：PVC35-45 parts, CPE 6-14
Part, MBS 10-20 parts, modified EVA 10-20 parts, wood fiber 3-5 parts, calcium sulfate whisker 1-3 part, Calcium Carbonate 3-7 part, Pulvis Talci
2-8 parts, glass microballoon 2-6 parts.
5. a kind of weather resistant PVC corrugated tubes as claimed in claim 4, it is characterised in that the preparation method of the modified EVA
For：Graphene oxide water solution of the concentration for 20-24wt% is heated to into 45-55 DEG C, is then stirred, during stirring, to
Deca water-soluble polyamic acid solution, obtains colloidal sol in graphene oxide water solution；The water-soluble polyamic acid solution it is dense
Spend for 4-6wt%, dripping quantity is 5-6 times of graphene oxide water solution volume；Colloidal sol is stored at room temperature into 4-8h, is washed with water molten
Unreacting substance in glue；Then under nitrogen atmosphere, colloidal sol is warming up to into 350-450 DEG C with the speed of 5-7 DEG C/min, insulation
1.5-2.5h, then with the ramp of 8-10 DEG C/min to 550-650 DEG C, is incubated 1-3h, then takes out clean, Jing Guogan
After dry, grinding, graphene-based composite aerogel powder is obtained；By ethylene, vinyl acetate, graphene-based composite aerogel powder by weight
Compare 72-80:8-12:12-16 mixing copolymerization, is obtained modified EVA.
6. a kind of weather resistant PVC corrugated tubes as claimed in claim 4, it is characterised in that the preparation method of the wood fiber is：
Timber is ground into into wooden grain, by wooden grain Task-size Controlling in 200-400 mesh after sieving, then sterilize 1- at a temperature of 130-150 DEG C
2h, is dried the prepared wood fiber after sterilizing.
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| CN201610911038.3A CN106589657A (en) | 2016-10-19 | 2016-10-19 | Weather-resistant PVC corrugated pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109232946A (en) * | 2018-08-15 | 2019-01-18 | 杭州联通管业有限公司 | A kind of anti-pollution plastic drain-pipe and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104140741A (en) * | 2014-08-01 | 2014-11-12 | 立邦涂料（天津）有限公司 | Novel double-layer coating system and preparation method and application thereof |
-
2016
- 2016-10-19 CN CN201610911038.3A patent/CN106589657A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104140741A (en) * | 2014-08-01 | 2014-11-12 | 立邦涂料（天津）有限公司 | Novel double-layer coating system and preparation method and application thereof |
Non-Patent Citations (2)
| Title |
|---|
| 王成彪等: "《摩擦学材料及表面工程》", 28 February 2012 * |
| 邹文俊: "《有机磨具制造》", 31 December 2001 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109232946A (en) * | 2018-08-15 | 2019-01-18 | 杭州联通管业有限公司 | A kind of anti-pollution plastic drain-pipe and preparation method thereof |
| CN109232946B (en) * | 2018-08-15 | 2022-03-25 | 杭州联通管业有限公司 | Anti-fouling plastic drain pipe and preparation method thereof |
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