CN206338499U - Composite strengthening PP R are managed - Google Patents
Composite strengthening PP R are managed Download PDFInfo
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- CN206338499U CN206338499U CN201621142540.4U CN201621142540U CN206338499U CN 206338499 U CN206338499 U CN 206338499U CN 201621142540 U CN201621142540 U CN 201621142540U CN 206338499 U CN206338499 U CN 206338499U
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Abstract
The utility model discloses a kind of composite strengthening PP R pipes, it includes in an internal layer, one outer layer, an outer layer in internal layer, one, the middle internal layer coats the outer surface of the internal layer, the outer surface of internal layer in described in the middle external sheath, the outer surface of outer layer in described in the external sheath, and be integrally formed between the internal layer, the middle internal layer, the middle outer layer, the outer layer；The material of the internal layer and the middle outer layer is polypropylene random copolymer material, and the material of the middle internal layer is TRPP composite, and the material of the outer layer is COPP material.The utility model improves the low-temperature impact-resistant performance of composite strengthening PP R pipes, while also improving heat endurance, long service life under high temperature resistant hydrostatic strength and hydrostatic pressure condition.
Description
Technical field
The utility model is related to a kind of composite strengthening PP-R pipes.
Background technology
Polypropylene random copolymer pipe is (i.e.：PP-R is managed) because it possesses the pressure-resistant performance of good high temperature resistant, it is widely used in building
Build cold hot water piping system in thing, including industrial and civilian hot and cold water, drinking water and heating system.But due to random copolymerization poly- third
Alkene material is (i.e.：PP-R materials) molecular weight and its microstructure such as distribution, determine polypropylene random copolymer pipe in low temperature
Show to should be particularly mentioned that in certain fragility, building water supply polypropylene pipe engineering legislation GB/T50349-2005：" in the winter
When season constructs, it should be noted that the black brittleness of polypropylene random copolymer pipe ", so when temperature should stop constructing less than 0 DEG C, or randomly
Polypropylene pipe will carry out anti-frost protection measure when being used for outdoor.Difficulty both so is brought to construction, again limits and applies model
Enclose.
To overcome the black brittleness of PP-R pipes, prior art is that a certain proportion of toughener is added in PP-R materials.It is many
Well known, the pliability of toughener PP-R pipes in the case where improving low-temperature condition increases anti-impact force, prevents frangible easily while split,
Reduce heat endurance under the hydrostatic strength and hydrostatic pressure condition of PP-R pipes.Research shows that the PP-R pipes containing toughener are very
Difficulty reaches in hydrostatic test 95 DEG C, 1000h, 3.5Mpa crack-frees, the requirement of ne-leakage, does not reach hotter under hydrostatic pressure condition
110 DEG C in stability test, 8760h, 1.9Mpa crack-frees, the requirement of ne-leakage.
Utility model content
The technical problems to be solved in the utility model be in order to overcome in the prior art because improve PP-R pipe black brittleness
Heat endurance is reduced under Shi Yinqi tubing hydrostatic strength and hydrostatic pressure condition, and the defect such as service life shortening is multiple there is provided one kind
Close enhancing PP-R pipes.
The utility model is to solve above-mentioned technical problem by following technical proposals：
A kind of composite strengthening PP-R pipe, its feature is, it includes in an internal layer, one outer layer in internal layer, one, outside one
Layer, the middle internal layer coats the outer surface of the internal layer, the outer surface of middle internal layer, the outer layer bag described in the middle external sheath
Cover and be integrally formed between the outer surface of the middle outer layer, and the internal layer, the middle internal layer, the middle outer layer, the outer layer；
The material of the internal layer and the middle outer layer is polypropylene random copolymer material, and the material of the middle internal layer is fibre
Reinforced polypropylene compound material is tieed up, the material of the outer layer is COPP material.
It is preferred that the thickness of the outer layer is 0.5~0.7mm.
It is preferred that the thickness of the middle outer layer is 0.5~1.7mm.
It is preferred that the thickness of the middle internal layer is 0.6~2.2mm.
It is preferred that the thickness of the internal layer is 0.7~2.5mm.
It is preferred that the thickness of the outer layer is 0.6mm, the thickness of the middle outer layer is 0.7mm, the thickness of the middle internal layer
For 0.9mm, the thickness of the internal layer is 0.9mm.
It is preferred that the thickness of the outer layer is 0.6mm, the thickness of the middle outer layer is 1.0mm, the thickness of the middle internal layer
For 1.1mm, the thickness of the internal layer is 1.2mm.
It is preferred that the thickness of the outer layer is 0.6mm, the thickness of the middle outer layer is 1.2mm, the thickness of the middle internal layer
For 1.4mm, the thickness of the internal layer is 1.5mm.
It is preferred that the thickness of the outer layer is 0.6mm, the thickness of the middle outer layer is 1.6mm, the thickness of the middle internal layer
For 1.7mm, the thickness of the internal layer is 2.0mm.
On the basis of common sense in the field is met, above-mentioned each optimum condition can be combined, produce the utility model it is each compared with
Good example.
Positive effect of the present utility model is：
(1) material of outer layer described in the utility model uses COPP material, with good low-temperature impact-resistant
Performance, prevents the black brittleness of tubing, can carry out installation at subzero 10 DEG C.
(2) material of middle outer layer and the internal layer described in the utility model uses polypropylene random copolymer material, tool
There is the hydrostatic performance of good high temperature resistant.
(3) material of middle internal layer uses TRPP composite described in the utility model, with good
Bending strength and Izod notched impact strength.
(4) between internal layer described in the utility model, the middle internal layer, the middle outer layer, the outer layer using one into
Type mode, with good amalgamation, improves the low-temperature impact-resistant performance of composite strengthening PP-R pipes, while also improving resistance to height
Heat endurance, long service life under warm static liquid Compressive Strength and hydrostatic pressure condition.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model preferred embodiment 1-4 composite strengthening PP-R pipes.
Description of reference numerals：
Outer layer 1
Middle outer layer 2
Middle internal layer 3
Internal layer 4
Embodiment
Below by embodiment mode and become apparent from intactly illustrating the utility model with reference to accompanying drawing, but not therefore
The utility model is limited among described scope of embodiments.
Embodiment 1
As shown in figure 1, the composite strengthening PP-R pipes in the present embodiment, it includes internal layer 4, middle internal layer 3, middle outer layer 2, outer
The material of layer 1, internal layer 4 and middle outer layer 2 is polypropylene random copolymer material (i.e.：PP-R materials) so that internal layer 4 and middle outer layer
2 have the good hydrostatic performance of high temperature resistant.The material of middle internal layer 3 be TRPP composite (i.e.：Fiber reinforcement
PP-R composites) so that middle internal layer 3 has good bending strength and Izod notched impact strength.The material of outer layer 1 is
COPP material is (i.e.：PP-B materials) so that outer layer 1 has good low-temperature impact-resistant performance, prevents the low temperature of tubing
Fragility, can carry out installation at subzero 10 DEG C.
Wherein, middle internal layer 3 coats the outer surface of internal layer 3 in the outer surface of internal layer 4, the middle cladding of outer layer 2, during outer layer 1 is coated
It is integrally formed between the outer surface of outer layer 2, and internal layer 4, middle internal layer 3, middle outer layer 2, outer layer 1.Preferably, internal layer 4, middle internal layer 3,
A coextrusion mold between middle outer layer 2, outer layer 1.Melt well so that having between internal layer 4, middle internal layer 3, middle outer layer 2, outer layer 1
Conjunction property, improves the low-temperature impact-resistant performance of composite strengthening PP-R pipes, while also improving high temperature resistant hydrostatic strength and hydrostatic
Heat endurance under pressure condition, long service life.
In the present embodiment, according to PPR pipe national standard (i.e.：GB/T18742.2-2002) composite strengthening PP-R is managed
Thickness be set to, the thickness of outer layer 1 is 0.6mm, and the thickness of middle outer layer 2 is 0.7mm, and the thickness of middle internal layer 3 is 0.9mm, interior
The thickness of layer 4 is 0.9mm.
Embodiment 2
As shown in figure 1, the composite strengthening PP-R pipes in the present embodiment 2 are substantially the same manner as Example 1, same section is no longer multiple
State, only difference is explained.Difference is, according to PPR pipe national standard (i.e.：GB/T18742.2-2002) to multiple
The thickness for closing enhancing PP-R pipes is set to, and the thickness of outer layer 1 is 0.6mm, and the thickness of middle outer layer 2 is 1.0mm, the thickness of middle internal layer 3
Spend for 1.1mm, the thickness of internal layer 4 is 1.2mm.
Embodiment 3
As shown in figure 1, the composite strengthening PP-R pipes in the present embodiment 3 are substantially the same manner as Example 1, same section is no longer multiple
State, only difference is explained.Difference is, according to PPR pipe national standard (i.e.：GB/T18742.2-2002) to multiple
The thickness for closing enhancing PP-R pipes is set to, and the thickness of outer layer 1 is 0.6mm, and the thickness of middle outer layer 2 is 1.2mm, the thickness of middle internal layer 3
Spend for 1.4mm, the thickness of internal layer 4 is 1.5mm.
Embodiment 4
As shown in figure 1, the composite strengthening PP-R pipes in the present embodiment 4 are substantially the same manner as Example 1, same section is no longer multiple
State, only difference is explained.Difference is, according to PPR pipe national standard (i.e.：GB/T18742.2-2002) to multiple
The thickness for closing enhancing PP-R pipes is set to, and the thickness of outer layer 1 is 0.6mm, and the thickness of middle outer layer 2 is 1.6mm, the thickness of middle internal layer 3
Spend for 1.7mm, the thickness of internal layer 4 is 2.0mm.
Certainly, in other embodiment of the present utility model, according to PPR pipe national standard (i.e.：GB/T18742.2-
2002) thickness of composite strengthening PP-R pipes is set to, the thickness range of choice of outer layer 1 is 0.5~0.7mm；The thickness of middle outer layer 2
Degree range of choice is 0.5~1.7mm；The thickness range of choice of middle internal layer 3 is 0.6~2.2mm；The thickness range of choice of internal layer 4
For 0.7~2.5mm.
In the above-described embodiments, the polypropylene random copolymer material of internal layer 4 and middle outer layer 2, the fiber reinforcement of middle internal layer 3 gather
Acrylic composite, the COPP material of outer layer 1 are material well known by persons skilled in the art, such as random copolymerization gathers
Propylene material can be the R200P of Hyosung Corporation of South Korea, and COPP material can be the M910 of LG Corp of South Korea, and fiber increases
It is compound on fiber reinforcement PP-R in professional standard CJ/T258-2007 that strong PP composite material can be that performance has to comply with
The Essential Performance Requirements of material.
Low temperature impact properties test is carried out to embodiment 1-4 composite strengthening PP-R pipes according to standard GB/T/T18742,
Test result：Embodiment 1-4 charpy impact test, 0 is in subzero 5 DEG C of breakage rates.
Hydrostatic strength test is carried out to embodiment 1-4 composite strengthening PP-R pipes according to standard GB/T/T6111, surveyed
Test result：Embodiment 1-4 hydrostatic strength：95 DEG C, 1000h, the equal ne-leakages of 3.5Mpa, crack-free.
Embodiment 1-4 composite strengthening PP-R pipes are carried out according to standard GB/T/T6111 hot steady under hydrostatic pressure condition
Determine performance test, test result：Heat stabilization test under embodiment 1-4 hydrostatic pressure condition：110 DEG C, 8760h, 1.9Mpa is equal
Ne-leakage, crack-free.
As can be seen here, composite strengthening PP-R pipes of the present utility model have good low-temperature impact-resistant performance, prevent tubing
Black brittleness, can subzero 10 DEG C carry out installations.Four layer materials combine together simultaneously, improve composite strengthening PP-R
The low-temperature impact-resistant performance of pipe, also improves heat endurance, long service life under high temperature resistant hydrostatic strength and hydrostatic pressure condition.
Although the foregoing describing embodiment of the present utility model, it will be appreciated by those of skill in the art that
This is merely illustrative of, and protection domain of the present utility model is defined by the appended claims.Those skilled in the art
On the premise of without departing substantially from principle of the present utility model and essence, various changes or modifications can be made to these embodiments,
But these changes and modification each fall within protection domain of the present utility model.
Claims (9)
1. a kind of composite strengthening PP-R pipe, it is characterised in that it includes in an internal layer, one outer layer, an outer layer in internal layer, one,
The middle internal layer coats the outer surface of the internal layer, the outer surface of middle internal layer, the external sheath described in the middle external sheath
It is integrally formed between the outer surface of the middle outer layer, and the internal layer, the middle internal layer, the middle outer layer, the outer layer；
The material of the internal layer and the middle outer layer is polypropylene random copolymer material, and the material of the middle internal layer increases for fiber
Strong PP composite material, the material of the outer layer is COPP material.
2. composite strengthening PP-R pipes as claimed in claim 1, it is characterised in that the thickness of the outer layer is 0.5~0.7mm.
3. composite strengthening PP-R as claimed in claim 1 pipe, it is characterised in that the thickness of the middle outer layer is 0.5~
1.7mm。
4. composite strengthening PP-R as claimed in claim 1 pipe, it is characterised in that the thickness of the middle internal layer is 0.6~
2.2mm。
5. composite strengthening PP-R pipes as claimed in claim 1, it is characterised in that the thickness of the internal layer is 0.7~2.5mm.
6. composite strengthening PP-R as claimed in claim 1 pipe, it is characterised in that the thickness of the outer layer is 0.6mm, it is described in
The thickness of outer layer is 0.7mm, and the thickness of the middle internal layer is 0.9mm, and the thickness of the internal layer is 0.9mm.
7. composite strengthening PP-R as claimed in claim 1 pipe, it is characterised in that the thickness of the outer layer is 0.6mm, it is described in
The thickness of outer layer is 1.0mm, and the thickness of the middle internal layer is 1.1mm, and the thickness of the internal layer is 1.2mm.
8. composite strengthening PP-R as claimed in claim 1 pipe, it is characterised in that the thickness of the outer layer is 0.6mm, it is described in
The thickness of outer layer is 1.2mm, and the thickness of the middle internal layer is 1.4mm, and the thickness of the internal layer is 1.5mm.
9. composite strengthening PP-R as claimed in claim 1 pipe, it is characterised in that the thickness of the outer layer is 0.6mm, it is described in
The thickness of outer layer is 1.6mm, and the thickness of the middle internal layer is 1.7mm, and the thickness of the internal layer is 2.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621142540.4U CN206338499U (en) | 2016-10-20 | 2016-10-20 | Composite strengthening PP R are managed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621142540.4U CN206338499U (en) | 2016-10-20 | 2016-10-20 | Composite strengthening PP R are managed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206338499U true CN206338499U (en) | 2017-07-18 |
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ID=59299188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621142540.4U Expired - Fee Related CN206338499U (en) | 2016-10-20 | 2016-10-20 | Composite strengthening PP R are managed |
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| Country | Link |
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| CN (1) | CN206338499U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648445A (en) * | 2020-12-21 | 2021-04-13 | 安徽杰蓝特新材料有限公司 | Reinforced wear-resistant PE water supply pipe and preparation method thereof |
-
2016
- 2016-10-20 CN CN201621142540.4U patent/CN206338499U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648445A (en) * | 2020-12-21 | 2021-04-13 | 安徽杰蓝特新材料有限公司 | Reinforced wear-resistant PE water supply pipe and preparation method thereof |
| CN112648445B (en) * | 2020-12-21 | 2022-07-26 | 安徽杰蓝特新材料有限公司 | Reinforced wear-resistant PE water supply pipe and preparation method thereof |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170718 Termination date: 20201020 |
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| CF01 | Termination of patent right due to non-payment of annual fee |