CN205291727U - Increase tough antibiotic polypropylene pressure pipe - Google Patents
Increase tough antibiotic polypropylene pressure pipe Download PDFInfo
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- CN205291727U CN205291727U CN201521108071.XU CN201521108071U CN205291727U CN 205291727 U CN205291727 U CN 205291727U CN 201521108071 U CN201521108071 U CN 201521108071U CN 205291727 U CN205291727 U CN 205291727U
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Abstract
The utility model relates to an increase tough antibiotic polypropylene pressure pipe, by toughening layer and compound the forming of antibiotic layer bilayer, wherein toughening layer is the skin of pressure pipe, and antibiotic layer is the inlayer of pressure pipe, toughening layer account for 90~95% of pipeline wall thickness, antibiotic layer accounts for 5%~10% of pipeline wall thickness, the toughening layer material is for adopting polypropylene beta nucleating agent, looks solvent, the modified polypropylene resin of heat stabilizer, polypropylene resin after antibiotic layer material adopts inorganic antiseptic modified. The utility model discloses an advantage: shock resistance and be able to bear or endure hydrostatic superior performance in the outside of tubes layer, the pumped (conveying) medium has been guaranteed for antibiotic layer promptly to the inlayer can not receive the pollution of pipeline self, and the while can antibiotic antibacterial effect, in equal wall thickness, green better than ordinary PPR tubular product compression strength height, shock resistance, corrosion -resistant, high -efficient broad -spectrum antibacterial function down.
Description
Technical field
This utility model relates to polypropylene pipe technical field, specifically, is a kind of toughness reinforcing antibacterial polypropylene manometer tube.
Background technology
Started plastic conduit substituted metal pipeline from 1999 to develop rapidly, start to replace traditional metallic conduit with the PP-R plastic conduit being main flow comprehensively, along with the shortcoming of the application PP-R pipe of more than ten years also begins to expose. PP-R family series of ducts resistance to low temperature is poor, and due to the limitation of PP-R its molecular characterization of material, its brittle temperature is generally 0 DEG C, once room temperature is lower than its brittle temperature, material is susceptible to embrittlement. And the pipe leakage phenomenon often occurred on building site at present is all, 90% is above due under PP-R low temperature, and being hit cracks or micro-crack causes. These people be have also been made a large amount of improvement, and such as PP-R material is impact-resistant modified, annealing eliminates pipeline internal stress. But due to the inherent character of PP-R material molecule, its effect is all inconspicuous, every year owing to the fragility of PP-R pipeline causes the Surface Rupture Events of pipeline to happen occasionally. At present, in impact-resistant modified, mainly adopt elastomer blended modifier, although the shock resistance that the method can make pipeline promotes, but be with the pressure performance sacrificing pipeline for cost, lose more than gain for pressure pipeline.
Although PPR has superior sanitation performance in addition, but does not have antibacterial bacteriostatic function, pipeline is easy breed bacteria in the process of conveying hot and cold water.
Utility model content
The purpose of this utility model is in that to overcome the deficiencies in the prior art, it is provided that a kind of toughness reinforcing antibacterial polypropylene manometer tube.
The purpose of this utility model is achieved through the following technical solutions:
A kind of toughness reinforcing antibacterial polypropylene manometer tube, is formed by toughening layer and antibiotic layer two-layer compound, and wherein toughening layer is the outer layer of manometer tube, and antibiotic layer is the internal layer of manometer tube.
Described toughening layer accounts for the 90��95% of pipeline wall thickness, and antibiotic layer accounts for the 5%��10% of pipeline wall thickness.
Toughening layer material is employing polypropylene beta nucleator, phase solvent, the acrylic resin that heat stabilizer is modified.
Antibiotic layer material adopts the acrylic resin that inorganic antiseptic is modified.
The raw material of toughening layer is by mass percentage: color masterbatch is 2%��4%, and the special beta nucleater of polypropylene is 0.5 �롫2 ��, and compatilizer is 5%��10%, and heat stabilizer is 0.5 �롫1 ��, polypropylene random copolymer pipeline PP Pipe Compound surplus;After formula is stirred, by double screw extruder extruding pelletization.
The raw material of antibiotic layer is by mass percentage: color masterbatch is 2%��4%, and inorganic nano antiseptic is 5%��8%, compatilizer 5%��10%, and polypropylene random copolymer pipeline PP Pipe Compound is surplus; After formula is stirred, by double screw extruder extruding pelletization.
Described toughness reinforcing antibacterial polypropylene manometer tube, produces and is prepared by putting into modified formula granulation material respectively extrusion in respective single screw extrusion machine, and two-layer composite co-extruding mould, cooling, traction, cutting prepare finished product.
Described toughening layer formulation material hot strength is more than 25MPa, and simply supported beam breach is more than 40KJ/m2.
Described antibiotic rate reaches 99%.
Described inorganic nano antiseptic is the silica dioxide granule of load silver ion antibacterial, and the mass fraction controlling silver ion is 0.5��1.0wt%, and inorganic nano antiseptic mean diameter is 200��500nm.
The preparation method of described inorganic nano antiseptic is with tetraethyl orthosilicate (TEOS) and aminopropyl triethoxysilane (KH550) for raw material, first TEOS is added in the salpeter solution containing silver nitrate is hydrolyzed with dehydrated alcohol mixed solution, then add aminopropyl triethoxysilane and ammonia carries out condensation, TEOS and silver nitrate is made to carry out sol gel reaction, after condensation reaction, it is centrifuged precipitation, then precipitation it is filtrated to get, precipitation is vacuum drying under 60 DEG C of interpolations again, obtains having broad-spectrum antiseptic inorganic nano antiseptic. silver ion is adsorbed by the silicone hydroxyl produced by TEOS hydrolysis, it is condensed into nuclear process by TEOS and aminopropyl triethoxysilane simultaneously, the silver ion with broad-spectrum antiseptic is coated with, internal and the surface adsorption silver ion at Nano particles of silicon dioxide, improve Durability of antimicrobial effect and the flushing resistance of inorganic nano antiseptic, simultaneously because the active amino of aminopropyl triethoxysilane, condensation reaction can be carried out by active amino arrive with anhydride in maleic anhydride inoculated polypropylene or acid, improve inorganic nano antiseptic dispersibility in acrylic resin and stability further, prevent inorganic additive migration in resin.
Described inorganic nano antiseptic, the mass fraction of its raw material components is as follows:
The pH of described silver nitrate solution is 2��4, and the pH adjusting agent of silver nitrate solution is concentrated nitric acid, and silver nitrate solution concentration is 0.1��0.25mol/L.
Compared with prior art, of the present utility model have the benefit effect that
The two-layer compound outer tube layer toughening layer that this utility model provides is beta nucleater modified by adding so that in preparation process, some crystal formation of tubing is by alpha-crystal form transformed �� crystal formation. Compared with traditional alpha-crystal form polypropylene, Beta-crystalline polyacrylic room temperature and low temperature impact strength are better, heat distortion temperature is high, higher toughness and ductility is shown under high-speed stretch, not easily embrittlement, these features can fundamentally improve the problem of polypropylene low temperature embrittlement, simultaneously without reducing the polypropylene pipe pressure performance as manometer tube.
This utility model pipeline provides the anti-microbial property of polypropylene pressure pipeline simultaneously. Although polypropylene pipe has the sanitation performance of excellence, but it does not possess the function of antibacterial bacteriostatic. This utility model pipeline lining is the polypropylene that with the addition of inorganic antiseptic, and antibacterial ability reaches more than 99%.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Being labeled as in accompanying drawing: 1 toughening layer, 2 antibiotic layers.
Detailed description of the invention
The detailed description of the invention of a kind of toughness reinforcing antibacterial polypropylene manometer tube of this utility model presented below.
As it is shown in figure 1, this toughness reinforcing antibacterial polypropylene manometer tube is made up of toughening layer 1, antibiotic layer 2 double-layer structure. Toughening layer is the outer layer of manometer tube, and antibiotic layer 2 is the internal layer of manometer tube. Toughening layer material is the acrylic resin adopting polypropylene beta nucleator, phase solvent, heat stabilizer modified, and antibiotic layer material adopts the acrylic resin that inorganic antiseptic is modified.
Embodiment 1
A kind of toughness reinforcing antibacterial polypropylene manometer tube, its toughening layer formula: 95 kilograms of atactic copolymerized polypropene PA14D, 0.1 kilogram of beta nucleater TMP-5,5 kilograms of maleic anhydride inoculated polypropylenes, 0.1 kilogram of heat stabilizer 1010, uniform in high-speed mixer and mixing, then pass through double screw extruder and melt extrude pelletize. Antibiotic layer formula: 90 kilograms of atactic copolymerized polypropene PA14D, 5 kilograms of maleic anhydride inoculated polypropylenes, 5 kilograms of inorganic nano antiseptics, uniform in high-speed mixer and mixing, melt extrude pelletize by double screw extruder. It is that the inside and outside layered material modifiied is put into extrusion in respective single screw extrusion machine, two-layer composite co-extruding mould, cooling, traction, cutting that this pressure pipeline produces, and prepares finished product.
Described inorganic nano antiseptic is the silica dioxide granule of load silver ion antibacterial, and the mass fraction controlling silver ion is 0.5��1.0wt%, and inorganic nano antiseptic mean diameter is 200��500nm.
The preparation method of described inorganic nano antiseptic is with tetraethyl orthosilicate (TEOS) and aminopropyl triethoxysilane (KH550) for raw material, first TEOS is added in the salpeter solution containing silver nitrate is hydrolyzed with dehydrated alcohol mixed solution, then add aminopropyl triethoxysilane and ammonia carries out condensation, TEOS and silver nitrate is made to carry out sol gel reaction, after condensation reaction, it is centrifuged precipitation, then precipitation it is filtrated to get, precipitation is vacuum drying under 60 DEG C of interpolations again, obtains having broad-spectrum antiseptic inorganic nano antiseptic. silver ion is adsorbed by the silicone hydroxyl produced by TEOS hydrolysis, it is condensed into nuclear process by TEOS and aminopropyl triethoxysilane simultaneously, the silver ion with broad-spectrum antiseptic is coated with, internal and the surface adsorption silver ion at Nano particles of silicon dioxide, improve Durability of antimicrobial effect and the flushing resistance of inorganic nano antiseptic, simultaneously because the active amino of aminopropyl triethoxysilane, condensation reaction can be carried out by active amino arrive with anhydride in maleic anhydride inoculated polypropylene or acid, improve inorganic nano antiseptic dispersibility in acrylic resin and stability further, prevent inorganic additive migration in resin.
In described inorganic nano antiseptic, the mass fraction of each component is as follows:
The pH of described silver nitrate solution is 2��4, and the pH adjusting agent of silver nitrate solution is concentrated nitric acid, and described silver nitrate solution concentration is 0.15mol/L.
Embodiment 2
A kind of toughness reinforcing antibacterial polypropylene manometer tube, its toughening layer formula: 90 kilograms of atactic copolymerized polypropene PA14D, 0.15 kilogram of beta nucleater TMP-5,10 kilograms of maleic anhydride inoculated polypropylenes, 0.1 kilogram of heat stabilizer 1010, uniform in high-speed mixer and mixing, then pass through double screw extruder and melt extrude pelletize. Antibiotic layer formula: 84 kilograms of atactic copolymerized polypropene PA14D, 8 kilograms of maleic anhydride inoculated polypropylenes, 8 kilograms of inorganic nano antiseptics, uniform in high-speed mixer and mixing, melt extrude pelletize by double screw extruder.It is that the inside and outside layered material modifiied is put into extrusion in respective single screw extrusion machine, two-layer composite co-extruding mould, cooling, traction, cutting that this pressure pipeline produces, and prepares finished product.
Embodiment 3
A kind of toughness reinforcing antibacterial polypropylene manometer tube, its toughening layer formula: 90 kilograms of atactic copolymerized polypropene PA14D, 0.2 kilogram of beta nucleater TMP-5,10 kilograms of maleic anhydride inoculated polypropylenes, 0.1 kilogram of heat stabilizer 1010, uniform in high-speed mixer and mixing, then pass through double screw extruder and melt extrude pelletize. Antibiotic layer formula: 84 kilograms of atactic copolymerized polypropene PA14D, 8 kilograms of maleic anhydride inoculated polypropylenes, 8 kilograms of inorganic nano antiseptics, uniform in high-speed mixer and mixing, melt extrude pelletize by double screw extruder. It is that the inside and outside layered material modifiied is put into extrusion in respective single screw extrusion machine, two-layer composite co-extruding mould, cooling, traction, cutting that this pressure pipeline produces, and prepares finished product.
Described inorganic nano antiseptic is the silica dioxide granule of load silver ion antibacterial, and the mass fraction controlling silver ion is 0.5��1.0wt%, described inorganic nano antiseptic mean diameter is 200��500nm, the preparation method of described inorganic nano antiseptic is with tetraethyl orthosilicate (TEOS) and aminopropyl triethoxysilane (KH550) for raw material, first TEOS is added in the salpeter solution containing silver nitrate is hydrolyzed with dehydrated alcohol mixed solution, then add aminopropyl triethoxysilane and ammonia carries out condensation, TEOS and silver nitrate is made to carry out sol gel reaction, after condensation reaction, it is centrifuged precipitation, then precipitation it is filtrated to get, precipitation is vacuum drying under 60 DEG C of interpolations again, obtain that there is broad-spectrum antiseptic inorganic nano antiseptic, silver ion is adsorbed by the silicone hydroxyl produced by TEOS hydrolysis, it is condensed into nuclear process by TEOS and aminopropyl triethoxysilane simultaneously, the silver ion with broad-spectrum antiseptic is coated with, internal and the surface adsorption silver ion at Nano particles of silicon dioxide, improve Durability of antimicrobial effect and the flushing resistance of inorganic nano antiseptic, simultaneously because the active amino of aminopropyl triethoxysilane, condensation reaction can be carried out by active amino arrive with anhydride in maleic anhydride inoculated polypropylene or acid, improve inorganic nano antiseptic dispersibility in acrylic resin and stability further, prevent inorganic additive migration in resin.
In described inorganic nano antiseptic, the mass fraction of each component is as follows:
The pH of described silver nitrate solution is 2��4, and the pH adjusting agent of silver nitrate solution is concentrated nitric acid, and described silver nitrate solution concentration is 0.1��0.25mol/L.
Advantage of the present utility model: outer tube layer shock resistance and resistance to hydrostatic superior performance, internal layer is that namely antibiotic layer ensure that pumped (conveying) medium will not be subject to the pollution of pipeline self, simultaneously can the effect of antibacterial bacteriostatic; Under equal wall thickness higher than common PPR pipe compressive resistance, shock resistance good, environmental protection, corrosion-resistant, high-efficiency broad spectrum antibacterial functions.
The above is only preferred implementation of the present utility model; it should be pointed out that, for those skilled in the art, without departing from the concept of the premise utility; can also making some improvements and modifications, these improvements and modifications also should be regarded as in protection domain of the present utility model.
Claims (4)
1. a toughness reinforcing antibacterial polypropylene manometer tube, it is characterised in that formed by toughening layer and antibiotic layer two-layer compound, wherein toughening layer is the outer layer of manometer tube, and antibiotic layer is the internal layer of manometer tube;
Described toughening layer material is employing polypropylene beta nucleator, phase solvent, the acrylic resin that heat stabilizer is modified.
2. a kind of toughness reinforcing antibacterial polypropylene manometer tube as claimed in claim 1, it is characterised in that described toughening layer accounts for the 90��95% of pipeline wall thickness.
3. a kind of toughness reinforcing antibacterial polypropylene manometer tube as claimed in claim 1, it is characterised in that described antibiotic layer accounts for the 5%��10% of pipeline wall thickness.
4. a kind of toughness reinforcing antibacterial polypropylene manometer tube as claimed in claim 1, it is characterised in that described antibiotic layer material adopts the acrylic resin that inorganic antiseptic is modified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521108071.XU CN205291727U (en) | 2015-12-26 | 2015-12-26 | Increase tough antibiotic polypropylene pressure pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521108071.XU CN205291727U (en) | 2015-12-26 | 2015-12-26 | Increase tough antibiotic polypropylene pressure pipe |
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| CN205291727U true CN205291727U (en) | 2016-06-08 |
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| CN201521108071.XU Active CN205291727U (en) | 2015-12-26 | 2015-12-26 | Increase tough antibiotic polypropylene pressure pipe |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883076A (en) * | 2017-12-18 | 2018-04-06 | 上海伟星新型建材有限公司 | A kind of high withstand voltage and high-impact PPR pipe |
| CN111609223A (en) * | 2020-05-20 | 2020-09-01 | 安徽英标新材料科技有限公司 | PE high-pressure water supply pipe and preparation method thereof |
-
2015
- 2015-12-26 CN CN201521108071.XU patent/CN205291727U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883076A (en) * | 2017-12-18 | 2018-04-06 | 上海伟星新型建材有限公司 | A kind of high withstand voltage and high-impact PPR pipe |
| CN111609223A (en) * | 2020-05-20 | 2020-09-01 | 安徽英标新材料科技有限公司 | PE high-pressure water supply pipe and preparation method thereof |
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