CN114607841A - Preparation method of temperature-resistant impact-resistant high-strength PPR fiber composite pipe - Google Patents
Preparation method of temperature-resistant impact-resistant high-strength PPR fiber composite pipe Download PDFInfo
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- CN114607841A CN114607841A CN202210088737.8A CN202210088737A CN114607841A CN 114607841 A CN114607841 A CN 114607841A CN 202210088737 A CN202210088737 A CN 202210088737A CN 114607841 A CN114607841 A CN 114607841A
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- 239000002131 composite material Substances 0.000 title claims abstract description 126
- 239000000835 fiber Substances 0.000 title claims abstract description 70
- 238000002360 preparation method Methods 0.000 title claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 104
- 238000005187 foaming Methods 0.000 claims abstract description 32
- 239000004642 Polyimide Substances 0.000 claims abstract description 25
- 229920001721 polyimide Polymers 0.000 claims abstract description 25
- 239000003365 glass fiber Substances 0.000 claims abstract description 17
- 239000011521 glass Substances 0.000 claims abstract description 10
- 229920002397 thermoplastic olefin Polymers 0.000 claims description 96
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 77
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 77
- 239000002994 raw material Substances 0.000 claims description 41
- 229920005630 polypropylene random copolymer Polymers 0.000 claims description 40
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 33
- 229920001155 polypropylene Polymers 0.000 claims description 32
- 238000003756 stirring Methods 0.000 claims description 31
- 230000003712 anti-aging effect Effects 0.000 claims description 30
- 239000004743 Polypropylene Substances 0.000 claims description 29
- 239000004595 color masterbatch Substances 0.000 claims description 29
- -1 polypropylene Polymers 0.000 claims description 28
- 238000007334 copolymerization reaction Methods 0.000 claims description 25
- 239000011347 resin Substances 0.000 claims description 21
- 229920005989 resin Polymers 0.000 claims description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 18
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 12
- 239000003607 modifier Substances 0.000 claims description 11
- 239000011256 inorganic filler Substances 0.000 claims description 10
- 229910003475 inorganic filler Inorganic materials 0.000 claims description 10
- 239000004964 aerogel Substances 0.000 claims description 9
- 235000012239 silicon dioxide Nutrition 0.000 claims description 9
- 239000000377 silicon dioxide Substances 0.000 claims description 9
- 239000004005 microsphere Substances 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 3
- 229920005604 random copolymer Polymers 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 2
- 239000008187 granular material Substances 0.000 claims description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 7
- 239000010410 layer Substances 0.000 abstract description 84
- 238000009413 insulation Methods 0.000 abstract description 3
- 239000011241 protective layer Substances 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000004378 air conditioning Methods 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 10
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 description 10
- 229910001626 barium chloride Inorganic materials 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 230000000844 anti-bacterial effect Effects 0.000 description 6
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 239000003063 flame retardant Substances 0.000 description 5
- 210000003746 feather Anatomy 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 241000588724 Escherichia coli Species 0.000 description 1
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003898 horticulture Methods 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Classifications
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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
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
-
- 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
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
-
- 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
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/02—Protection of pipes or objects of similar shape against external or internal damage or wear against cracking or buckling
-
- 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
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/04—Protection of pipes or objects of similar shape against external or internal damage or wear against fire or other external sources of extreme heat
-
- 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
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/029—Shape or form of insulating materials, with or without coverings integral with the insulating materials layered
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The invention relates to a preparation method of a heat-resistant, impact-resistant and high-strength PPR fiber composite pipe, wherein the composite pipe comprises five layers, the middle layer is a rigid reinforcing layer, and the material is glass fiber composite PPR; two layers adjacent to the middle layer are heat insulation layers made of hollow polyimide fiber (PI) composite TPO; the outermost two layers are protective layers made of PPR-TPO blended foaming composite materials. The utility model provides a protective layer has improved the resistant height of the fine pipe of PPR glass, low temperature performance, has promoted the shock resistance of tubular product and the compressive property under the high temperature operational environment. The application can be used for cold and hot water pipeline systems in buildings, air-conditioning pipeline systems, marine pipes and other industrial pipes.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of pipes, in particular to a preparation method of a temperature-resistant impact-resistant high-strength PPR fiber composite pipeline.
[ background of the invention ]
When the existing glass fiber composite PP-R pipe solves the problem of linear expansion coefficient, the problem of low-temperature brittleness of the PP-R pipe is aggravated, and the pressure resistance of the glass fiber composite pipe is greatly reduced under high-temperature application. Therefore, the development of a temperature-resistant and impact-resistant glass fiber composite pipe is a problem to be solved urgently at present.
[ summary of the invention ]
The invention aims to overcome the defects of the prior art and provides a preparation method of a temperature-resistant impact-resistant high-strength PPR fiber composite pipe.
The purpose of the invention is realized by the following technical scheme:
a preparation method of a temperature-resistant impact-resistant high-strength PPR fiber composite pipe is characterized by comprising the following steps:
(1) taking 100 parts of PPR resin as a raw material, adding 20-25 parts of thermoplastic polyolefin elastomer (TPO), 10-15 parts of glass hollow microspheres, 3-5 parts of silicon dioxide aerogel, 5 parts of compatilizer, 5 parts of color master batch and 1 part of anti-aging master batch, stirring by using a stirrer, and granulating by using a double-screw granulator to prepare the PPR-TPO blended foaming composite material;
(2) taking 100 parts of thermoplastic polyolefin elastomer (TPO) as a raw material, adding 20-35 parts of hollow polyimide fiber (PI), 5 parts of color master batch, 1 part of anti-aging master batch and 1 part of nano cerium oxide hybrid material, stirring by a stirrer, and granulating by a double-screw granulator to prepare the hollow polyimide fiber (PI) composite TPO material;
the raw materials of the nano cerium oxide hybrid material comprise a nano cerium oxide modified substance, pentaerythritol and PEN slices; wherein the mass fraction of the nano cerium oxide modifier in the nano cerium oxide hybrid material is 3-5%, and the mass fraction of the pentaerythritol in the nano cerium oxide hybrid material is 0.5-1%. Various raw materials of the nano cerium oxide hybrid material are stirred by a stirrer and then are granulated by a double-screw granulator to form the nano cerium oxide hybrid material.
Nano cerium oxide modifier: dispersing the nano cerium oxide and barium chloride in a dilute sulfuric acid solution to obtain a mixture, and then separating and drying to obtain a nano cerium oxide modified substance. The mass ratio of the nano cerium oxide to the barium chloride is 1: 1. The nanometer cerium oxide hybrid material of this application can make the TPO tissue of this application more even, compacter, further can increase the thermal stability and the ageing resistance of polymer. The nano cerium oxide hybrid material forms a layer of barium sulfate through nano cerium oxide, and is favorable for increasing the thermal stability and aging resistance of TPO tissues.
(3) Taking 100 parts of random copolymerization polypropylene granules as raw materials, adding 20-40 parts of chopped glass fibers, 3-6 parts of inorganic filler, 6.5 parts of compatilizer, 1 part of anti-aging master batch and 2 parts of color master batch, stirring by adopting a stirrer, and granulating by using a double-screw granulator to prepare the fiber reinforced random copolymerization polypropylene composite material;
(4) and (3) taking the fiber reinforced random copolymerization polypropylene composite material prepared in the step (3) as a third layer material, taking the hollow polyimide fiber (PI) composite TPO prepared in the step (2) as a second layer, taking the fourth layer material, taking the PPR-TPO blended foaming composite material prepared in the step (1) as a first layer, taking the fifth layer material, and co-extruding by using five single-screw extruders to prepare the pipe.
The temperature of the extruder sleeve of the fiber reinforced random copolymerization polypropylene composite material is 50 +/-30 ℃, the temperature of the extruder sleeve is 200 +/-25 ℃, and the temperature of the die head is 200 +/-25 ℃; the temperature of the extruder sleeve of the PI composite TPO layer is 50 +/-30 ℃, the temperature of the extruder sleeve is 210 +/-25 ℃, and the temperature of the die head is 220 +/-25 ℃; the temperature of the sleeve of the extruder of the PPR-TPO blended foaming composite material is 50 +/-30 ℃, the temperature of the cylinder of the extruder is 210 +/-25 ℃, and the temperature of the die head of the extruder is 220 +/-25 ℃. The ratio of each layer of the pipe is controlled to be 1:1:4:1:1 by adjusting the rotating speed of the screw of each extruder.
The TPO in the step (1) and the step (2) is a C4 copolymer with thermoplastic elastomer performance.
In the PI composite TPO material belonging to the step (2), the mass fraction of the fibers is 16-20%, and the length of the fibers is 600-1200 mu m.
In the fiber-reinforced random copolymer polypropylene composite material obtained in the step (3), the mass fraction of the fibers is 18-28%, and the length of the fibers is 300-800 μm.
Compared with the prior art, the invention has the following positive effects:
the PPR-TPO blended foaming composite material is low temperature resistant, provides impact buffering and can protect the inner PP-R material with low temperature brittleness; meanwhile, the PPR-TPO blended foaming composite material and the PI composite TPO material have the characteristics of low heat conductivity coefficient, good heat insulation performance and thermal-oxidative aging resistance, and guarantee the excellent pressure resistance of the glass fiber composite pipe at the high temperature of over 75 ℃.
According to the temperature-resistant impact-resistant high-strength PPR fiber composite pipe, the PPR-TPO blended foaming composite material protective layer and the PI composite TPO material heat insulation layer are added, so that the cold resistance and the impact resistance of the glass fiber composite pipe are improved, and meanwhile, the long-term pressure resistance of the glass fiber composite pipe in a high-temperature working environment is improved. The invention can be used for cold and hot water pipeline systems in buildings, air-conditioning pipeline systems, pipes for ships, pipes for agriculture and horticulture and the like.
The PPR-TPO blended foaming composite material has a good modification space, and can meet individual requirements for flame retardance, antibiosis and the like by adding auxiliary agents such as a flame retardant, an antibacterial agent and the like.
[ description of the drawings ]
FIG. 1 is a schematic structural view of a pipe of the present application;
the labels in the figures are:
1 a first layer of a first composition,
2 a second layer of the first layer of the second layer,
3 a third layer of the first and second layers,
4 a fourth layer of a second,
5 the fifth layer.
[ detailed description ] embodiments
The following provides a specific embodiment of the temperature-resistant impact-resistant high-strength PPR fiber composite pipe.
Example 1
A temperature-resistant impact-resistant high-strength PPR fiber composite pipe comprises a five-layer structure, wherein a first layer 1, a second layer 2, a third layer 3, a fourth layer 4 and a fifth layer 5 are arranged in the five-layer structure.
A preparation process of a temperature-resistant impact-resistant high-strength PPR fiber composite pipe comprises the following steps:
(1) the PPR-TPO blended foaming composite material is prepared by taking 100 parts of PPR resin (Baser XN112) as a raw material, adding 25 parts of thermoplastic polyolefin elastomer (Baser Koattro KT AR 05), 15 parts of hollow glass microspheres, 3 parts of silicon dioxide aerogel (Keon nanotechnology), 5 parts of compatilizer (Netzian), 5 parts of color master batch (Yudi) and 1 part of anti-aging master batch, stirring by a stirrer, and granulating by a double-screw granulator.
(2) The preparation method comprises the steps of taking 100 parts of thermoplastic polyolefin elastomer (TPO) as a raw material, adding 25 parts of hollow polyimide fiber (PI), 5 parts of color master batch, 1 part of anti-aging master batch and 1 part of nano cerium oxide hybrid material, stirring by a stirrer, and granulating by a double-screw granulator to obtain the hollow polyimide fiber (PI) composite TPO material. The raw materials of the nano cerium oxide hybrid material comprise a nano cerium oxide modified substance, pentaerythritol and PEN slices; wherein, the mass fraction of the nano cerium oxide modifier in the nano cerium oxide hybrid material is 3%, and the mass fraction of the pentaerythritol in the nano cerium oxide hybrid material is 0.5%. Various raw materials of the nano cerium oxide hybrid material are stirred by a stirrer and then are granulated by a double-screw granulator to form the nano cerium oxide hybrid material. Nano cerium oxide modifier: dispersing the nano cerium oxide and barium chloride in a dilute sulfuric acid solution to obtain a mixture, and then separating and drying to obtain a nano cerium oxide modified substance. The mass ratio of the nano cerium oxide to the barium chloride is 1: 1.
(3) The fiber-reinforced random copolymerization polypropylene composite material is prepared by taking 100 parts of PPR resin (Bassel XN112) as a raw material, adding 35 parts of chopped glass fiber (Taishan), 6.5 parts of compatilizer (Keeisi), 1 part of anti-aging master batch, 2 parts of color master batch (Yudi) and 3 parts of inorganic filler, stirring by a stirrer, and granulating by a double-screw granulator.
(4) And (3) as shown in figure 1, taking the fiber reinforced random copolymerization polypropylene composite material prepared in the step (3) as a third layer material, taking the hollow polyimide fiber (PI) composite TPO prepared in the step (2) as a second layer material and a fourth layer material, taking the PPR-TPO blended foaming composite material prepared in the step (1) as a first layer material and a fifth layer material, and co-extruding by using five single-screw extruders to prepare the pipe. The temperature of the extruder sleeve of the fiber reinforced random copolymerization polypropylene composite material is 50 +/-30 ℃, the temperature of the extruder sleeve is 200 +/-25 ℃, and the temperature of the die head is 200 +/-25 ℃; the temperature of the extruder sleeve of the PI composite TPO layer is 50 +/-30 ℃, the temperature of the extruder sleeve is 210 +/-25 ℃, and the temperature of the die head is 220 +/-25 ℃; the temperature of the sleeve of the extruder of the PPR-TPO blended foaming composite material is 50 +/-30 ℃, the temperature of the cylinder of the extruder is 210 +/-25 ℃, and the temperature of the die head of the extruder is 220 +/-25 ℃. The ratio of each layer of the pipe is controlled to be 1:1:4:1:1 by adjusting the rotating speed of the screw of each extruder.
Example 2
The preparation process comprises the following steps:
(1) the PPR-TPO blended foaming composite material is prepared by taking 100 parts of PPR resin (Baser XN112) as a raw material, adding 25 parts of thermoplastic polyolefin elastomer (Baser Koattro KTAR 05), 15 parts of hollow glass microspheres, 3 parts of silicon dioxide aerogel (Keon nanotechnology), 5 parts of compatilizer (natural light), 5 parts of color master batch (Yudi) and 1 part of anti-aging master batch, stirring by a stirrer, and granulating by a double-screw granulator.
(2) The flame-retardant modified PPR-TPO blended composite material is prepared by taking 100 parts of PPR resin (Basel XN112) as a raw material, adding 20 parts of thermoplastic polyolefin elastomer (Basel Koattro KTAR 05), 4 parts of compatilizer (Kogyu light), 6 parts of flame retardant (Kelain Exolit AP766), 5 parts of color master batch (Yundi) and 1 part of anti-aging master batch, stirring by a stirrer, and granulating by a double-screw granulator.
(3) The preparation method comprises the steps of taking 100 parts of thermoplastic polyolefin elastomer (TPO) as a raw material, adding 25 parts of hollow polyimide fiber (PI), 5 parts of color master batch, 1 part of anti-aging master batch and 1 part of nano cerium oxide hybrid material, stirring by a stirrer, and granulating by a double-screw granulator to obtain the hollow polyimide fiber (PI) composite TPO material. The raw materials of the nano cerium oxide hybrid material comprise a nano cerium oxide modified substance, pentaerythritol and PEN slices; wherein the mass fraction of the nano cerium oxide modifier in the nano cerium oxide hybrid material is 4%, and the mass fraction of the pentaerythritol in the nano cerium oxide hybrid material is 0.75%. Various raw materials of the nano cerium oxide hybrid material are stirred by a stirrer and then are granulated by a double-screw granulator to form the nano cerium oxide hybrid material. Nano cerium oxide modifier: dispersing the nano cerium oxide and barium chloride in a dilute sulfuric acid solution to obtain a mixture, and then separating and drying to obtain a nano cerium oxide modified substance. The mass ratio of the nano cerium oxide to the barium chloride is 1: 1.
(4) The preparation method comprises the steps of taking 100 parts of PPR resin (Baser XN112) as a raw material, adding 20-40 parts of chopped glass fiber (Taishan mountain), 6.5 parts of compatilizer (Keeisi), 1 part of anti-aging master batch, 2 parts of color master batch (Yudi) and 3 parts of inorganic filler, stirring by a stirrer, and granulating by a double-screw granulator to obtain the fiber-reinforced random copolymerization polypropylene composite material.
(5) And (3) as shown in figure 1, taking the fiber reinforced random copolymerization polypropylene composite material prepared in the step (4) as a third layer material, taking the hollow polyimide fiber (PI) composite TPO prepared in the step (3) as a second layer material and a fourth layer material, taking the PPR-TPO blended foaming composite material prepared in the step (1) as a first layer material, taking the flame-retardant modified PPR-TPO blended foaming composite material prepared in the step (2) as a fifth layer material, and co-extruding by using five single-screw extruders to prepare the pipe. The temperature of the extruder sleeve of the fiber reinforced random copolymerization polypropylene composite material is 50 +/-30 ℃, the temperature of the extruder sleeve is 200 +/-25 ℃, and the temperature of the die head is 200 +/-25 ℃; the temperature of the extruder sleeve of the PI composite TPO layer is 50 +/-30 ℃, the temperature of the extruder sleeve is 210 +/-25 ℃, and the temperature of the die head is 220 +/-25 ℃; the extruder sleeve temperature of the PPR-TPO blended foaming composite material and the flame-retardant modified PPR-TPO blended composite material is 50 +/-30 ℃, the cylinder temperature is 210 +/-25 ℃, and the die head temperature is 220 +/-25 ℃. The ratio of each layer of the pipe is controlled to be 1:1:4:1:1 by adjusting the rotating speed of the screw of each extruder.
Example 3
The preparation process comprises the following steps:
(1) the PPR-TPO blended foaming composite material is prepared by taking 100 parts of PPR resin (Baser XN112) as a raw material, adding 25 parts of thermoplastic polyolefin elastomer (Baser Koattro KT AR 05), 15 parts of hollow glass microspheres, 3 parts of silicon dioxide aerogel (Keon nanotechnology), 5 parts of compatilizer (Netzian), 5 parts of color master batch (Yudi) and 1 part of anti-aging master batch, stirring by a stirrer, and granulating by a double-screw granulator.
(2) The antibacterial modified PPR-TPO blended foaming composite material is prepared by taking 100 parts of PPR resin (Baser XN112) as a raw material, adding 20 parts of thermoplastic polyolefin elastomer (Baser Koattro KTAR 05), 10 parts of hollow glass microspheres, 3 parts of silicon dioxide aerogel (Keon nanotechnology), 5 parts of compatilizer (energy light), 1 part of antibacterial master batch (Langyi PP silver ion antibacterial master batch), 5 parts of master batch (feather di) and 1 part of anti-aging master batch, stirring by a stirrer, and granulating by a double-screw granulator.
(3) The preparation method comprises the steps of taking 100 parts of thermoplastic polyolefin elastomer (TPO) as a raw material, adding 25 parts of hollow polyimide fiber (PI), 5 parts of color master batch, 1 part of anti-aging master batch and 1 part of nano cerium oxide hybrid material, stirring by a stirrer, and granulating by a double-screw granulator to obtain the hollow polyimide fiber (PI) composite TPO material. The raw materials of the nano cerium oxide hybrid material comprise a nano cerium oxide modified substance, pentaerythritol and PEN slices; wherein, the mass fraction of the nano cerium oxide modifier in the nano cerium oxide hybrid material is 5%, and the mass fraction of the pentaerythritol in the nano cerium oxide hybrid material is 1%. Various raw materials of the nano cerium oxide hybrid material are stirred by a stirrer and then granulated by a double-screw granulator to form the nano cerium oxide hybrid material. Nano cerium oxide modifier: dispersing the nano cerium oxide and barium chloride in a dilute sulfuric acid solution to obtain a mixture, and then separating and drying to obtain a nano cerium oxide modified substance. The mass ratio of the nano cerium oxide to the barium chloride is 1: 1.
(4) The preparation method comprises the steps of taking 100 parts of PPR resin (Baser XN112) as a raw material, adding 20-40 parts of chopped glass fiber (Taishan mountain), 6.5 parts of compatilizer (Keeisi), 1 part of anti-aging master batch, 2 parts of color master batch (Yudi) and 3 parts of inorganic filler, stirring by a stirrer, and granulating by a double-screw granulator to obtain the fiber-reinforced random copolymerization polypropylene composite material.
(5) And (3) as shown in figure 1, taking the fiber reinforced random copolymerization polypropylene composite material prepared in the step (4) as a 3 rd layer material, taking the hollow polyimide fiber (PI) composite TPO prepared in the step (3) as a second and a fourth layer materials, taking the PPR-TPO blended foaming composite material prepared in the step (1) as a fifth layer material, taking the antibacterial modified PPR-TPO blended foaming composite material prepared in the step (2) as a first layer material, and co-extruding by using five single-screw extruders to prepare the pipe. The temperature of a sleeve of an extruder of the fiber reinforced polypropylene random copolymer composite material is 50 +/-30 ℃, the temperature of a cylinder is 200 +/-25 ℃, and the temperature of a die head is 200 +/-25 ℃; the temperature of the extruder sleeve of the PI composite TPO layer is 50 +/-30 ℃, the temperature of the extruder sleeve is 210 +/-25 ℃, and the temperature of the die head is 220 +/-25 ℃; the extruder sleeve temperature of the PPR-TPO blended foaming composite material and the antibacterial modified PPR-TPO blended foaming composite material is 50 +/-30 ℃, the barrel temperature is 210 +/-25 ℃, and the die head temperature is 220 +/-25 ℃. The ratio of each layer of the pipe is controlled to be 1:1:4:1:1 by adjusting the rotating speed of the screw of each extruder.
Comparative example 1
The preparation process comprises the following steps:
(1) the preparation method comprises the steps of taking 100 parts of PPR resin (Bazier XN112) as a raw material, adding 25 parts of thermoplastic polyolefin elastomer (Bazier Koattro KT AR 05), 15 parts of hollow glass beads, 3 parts of silicon dioxide aerogel (Keon nanotechnology), 5 parts of compatilizer (Netzian), 5 parts of color master batch (feather di), 1 part of anti-aging master batch and 1 part of nano cerium oxide hybrid material. And stirring by a stirrer, and granulating by a double-screw granulator to obtain the PPR-TPO blending foaming composite material. Wherein, the preparation method of the nano cerium oxide hybrid material is the same as that of the embodiment 1.
(2) The preparation method comprises the steps of taking 100 parts of PPR resin (Baser XN112) as a raw material, adding 35 parts of chopped glass fiber (Taishan mountain), 6.5 parts of compatilizer (Keeisi), 1 part of anti-aging master batch, 2 parts of color master batch (Yudi) and 3 parts of inorganic filler, stirring by a stirrer, and granulating by a double-screw granulator to obtain the fiber-reinforced random copolymerization polypropylene composite material.
(3) And (3) taking the fiber reinforced random copolymerization polypropylene composite material prepared in the step (2) as an intermediate layer material, taking the PPR-TPO blended foaming composite material prepared in the step (1) as an inner layer material and an outer layer material, and co-extruding by three single-screw extruders to prepare the pipe. The ratio of the inner layer, the middle layer and the outer layer of the pipe is 1:4: 1.
Comparative example 2
The preparation process comprises the following steps:
(1) the PPR-TPO blended composite material is prepared by taking 100 parts of PPR resin (Baser XN112) as a raw material, adding 25 parts of thermoplastic polyolefin elastomer (Baser Koattro KTAR 05), 5 parts of compatilizer (light energy), 5 parts of color master batch (feather di) and 1 part of anti-aging master batch, stirring by a stirrer, and granulating by a double-screw granulator.
(2) The preparation method comprises the steps of taking 100 parts of thermoplastic polyolefin elastomer (TPO) as a raw material, adding 25 parts of hollow polyimide fiber (PI), 5 parts of color master batch, 1 part of anti-aging master batch and 1 part of nano cerium oxide hybrid material, stirring by a stirrer, and granulating by a double-screw granulator to obtain the hollow polyimide fiber (PI) composite TPO material. The preparation method of the nano cerium oxide hybrid material is the same as that of example 1.
(3) The preparation method comprises the steps of taking 100 parts of PPR resin (Baser XN112) as a raw material, adding 35 parts of chopped glass fiber (Taishan mountain), 6.5 parts of compatilizer (Keeisi), 1 part of anti-aging master batch, 2 parts of color master batch (Yudi) and 3 parts of inorganic filler, stirring by a stirrer, and granulating by a double-screw granulator to obtain the fiber-reinforced random copolymerization polypropylene composite material.
(4) As shown in fig. 1, the tube is prepared by co-extruding five single screw extruders by using the fiber reinforced polypropylene random copolymer composite material prepared in the step (3) as a third layer material, the hollow polyimide fiber (PI) composite TPO prepared in the step (2) as a second layer material and a fourth layer material, and the PPR-TPO blended composite material prepared in the step (1) as a first layer material and a fifth layer material. The ratio of each layer of the pipe is 1:1:4:1: 1.
Comparative example 3
The preparation process comprises the following steps:
(1) the preparation method comprises the steps of taking 100 parts of PPR resin (Basel XN112) as a raw material, adding 25 parts of thermoplastic polyolefin elastomer (Basel Koattro KTAR 05), 5 parts of compatilizer (energy light), 5 parts of color master batch (feather di), 1 part of anti-aging master batch and 1 part of nano cerium oxide hybrid material. Stirring by a stirrer, and granulating by a double-screw granulator to obtain the PPR-TPO blended composite material. Wherein, the preparation method of the nano cerium oxide hybrid material is the same as that of the embodiment 1.
(2) The preparation method comprises the steps of taking 100 parts of PPR resin (Baser XN112) as a raw material, adding 35 parts of chopped glass fiber (Taishan mountain), 6.5 parts of compatilizer (Keeisi), 1 part of anti-aging master batch, 2 parts of color master batch (Yudi) and 3 parts of inorganic filler, stirring by a stirrer, and granulating by a double-screw granulator to obtain the fiber-reinforced random copolymerization polypropylene composite material.
(3) Taking the fiber reinforced polypropylene random copolymer composite material prepared in the step (2) as a third layer material, taking the PPR-TPO blended composite material prepared in the step (1) as a first layer material and a fifth layer material, and mixing PP-R resin and color master according to the weight ratio of 100: 2 uniformly stirring the mixture to be used as a second layer material and a fourth layer material, and co-extruding the materials by five single-screw extruders to obtain the pipe. The five-layer proportion of the pipe is 1:1:4:1: 1.
Comparative example 4
The preparation process comprises the following steps:
(1) the PPR-TPO blended foaming composite material is prepared by taking 100 parts of PPR resin (Baser XN112) as a raw material, adding 25 parts of thermoplastic polyolefin elastomer (Baser Koattro KT AR 05), 15 parts of hollow glass microspheres, 3 parts of silicon dioxide aerogel (Keon nanotechnology), 5 parts of compatilizer (Netzian), 5 parts of color master batch (Yudi) and 1 part of anti-aging master batch, stirring by a stirrer, and granulating by a double-screw granulator.
(2) The hollow polyimide fiber (PI) composite TPO material is prepared by taking 100 parts of thermoplastic polyolefin elastomer (TPO) as a raw material, adding 25 parts of hollow polyimide fiber (PI), 5 parts of color master batch and 1 part of anti-aging master batch, stirring by a stirrer, and granulating by a double-screw granulator.
(3) The preparation method comprises the steps of taking 100 parts of PPR resin (Baser XN112) as a raw material, adding 35 parts of chopped glass fiber (Taishan mountain), 6.5 parts of compatilizer (Keeisi), 1 part of anti-aging master batch, 2 parts of color master batch (Yudi) and 3 parts of inorganic filler, stirring by a stirrer, and granulating by a double-screw granulator to obtain the fiber-reinforced random copolymerization polypropylene composite material.
(4) And (3) as shown in figure 1, taking the fiber reinforced random copolymerization polypropylene composite material prepared in the step (3) as a third layer material, taking the hollow polyimide fiber (PI) composite TPO prepared in the step (2) as a second layer material and a fourth layer material, taking the PPR-TPO blended foaming composite material prepared in the step (1) as a first layer material and a fifth layer material, and co-extruding by using five single-screw extruders to prepare the pipe. The temperature of the extruder sleeve of the fiber reinforced random copolymerization polypropylene composite material is 50 +/-30 ℃, the temperature of the extruder sleeve is 200 +/-25 ℃, and the temperature of the die head is 200 +/-25 ℃; the temperature of the extruder sleeve of the PI composite TPO layer is 50 +/-30 ℃, the temperature of the extruder sleeve is 210 +/-25 ℃, and the temperature of the die head is 220 +/-25 ℃; the temperature of the sleeve of the extruder of the PPR-TPO blended foaming composite material is 50 +/-30 ℃, the temperature of the cylinder of the extruder is 210 +/-25 ℃, and the temperature of the die head of the extruder is 220 +/-25 ℃. The ratio of each layer of the pipe is controlled to be 1:1:4:1:1 by adjusting the rotating speed of the screw of each extruder.
Comparative example 5
The preparation process comprises the following steps:
(1) the PPR-TPO blended foaming composite material is prepared by taking 100 parts of PPR resin (Baser XN112) as a raw material, adding 25 parts of thermoplastic polyolefin elastomer (Baser Koattro KT AR 05), 15 parts of hollow glass microspheres, 3 parts of silicon dioxide aerogel (Keon nanotechnology), 5 parts of compatilizer (Netzian), 5 parts of color master batch (Yudi) and 1 part of anti-aging master batch, stirring by a stirrer, and granulating by a double-screw granulator.
(2) The preparation method comprises the steps of taking 100 parts of thermoplastic polyolefin elastomer (TPO) as a raw material, adding 25 parts of hollow polyimide fiber (PI), 5 parts of color master batch, 1 part of anti-aging master batch and 0.5 part of nano cerium oxide hybrid material, stirring by a stirrer, and granulating by a double-screw granulator to obtain the hollow polyimide fiber (PI) composite TPO material. The raw materials of the nano cerium oxide hybrid material comprise a nano cerium oxide modified substance, pentaerythritol and PEN slices; wherein, the mass fraction of the nano cerium oxide modifier in the nano cerium oxide hybrid material is 3%, and the mass fraction of the pentaerythritol in the nano cerium oxide hybrid material is 0.5%. Various raw materials of the nano cerium oxide hybrid material are stirred by a stirrer and then are granulated by a double-screw granulator to form the nano cerium oxide hybrid material. Nano cerium oxide modifier: dispersing the nano cerium oxide and barium chloride in a dilute sulfuric acid solution to obtain a mixture, and then separating and drying to obtain a nano cerium oxide modified substance. The mass ratio of the nano cerium oxide to the barium chloride is 1: 1.
(3) The preparation method comprises the steps of taking 100 parts of PPR resin (Baser XN112) as a raw material, adding 35 parts of chopped glass fiber (Taishan mountain), 6.5 parts of compatilizer (Keeisi), 1 part of anti-aging master batch, 2 parts of color master batch (Yudi) and 3 parts of inorganic filler, stirring by a stirrer, and granulating by a double-screw granulator to obtain the fiber-reinforced random copolymerization polypropylene composite material.
(4) And (3) as shown in figure 1, taking the fiber reinforced random copolymerization polypropylene composite material prepared in the step (3) as a third layer material, taking the hollow polyimide fiber (PI) composite TPO prepared in the step (2) as a second layer material and a fourth layer material, taking the PPR-TPO blended foaming composite material prepared in the step (1) as a first layer material and a fifth layer material, and co-extruding by using five single-screw extruders to prepare the pipe. The temperature of the extruder sleeve of the fiber reinforced random copolymerization polypropylene composite material is 50 +/-30 ℃, the temperature of the extruder sleeve is 200 +/-25 ℃, and the temperature of the die head is 200 +/-25 ℃; the temperature of the extruder sleeve of the PI composite TPO layer is 50 +/-30 ℃, the temperature of the extruder sleeve is 210 +/-25 ℃, and the temperature of the die head is 220 +/-25 ℃; the temperature of the sleeve of the extruder of the PPR-TPO blended foaming composite material is 50 +/-30 ℃, the temperature of the cylinder of the extruder is 210 +/-25 ℃, and the temperature of the die head of the extruder is 220 +/-25 ℃. The ratio of each layer of the pipe is controlled to be 1:1:4:1:1 by adjusting the rotating speed of the screw of each extruder.
And (3) performance testing:
the composite pipes described in examples 1, 2 and 3 and comparative examples 1, 2 and 3 all meet the performance requirements except ash in QB/T5402-. On the basis of the above, the long-term hydrostatic pressure and the shock resistance of the hot water in the examples 1, 2 and 3 are obviously improved.
The combustion performance grade of the composite pipe in the embodiment 2 reaches B2 grade of national standard GB 8624 and 2012 'building material and product combustion performance grade'; and the fire-proof grade of the composite pipe reaches European Union standard EN 13501-1: 2009 classification of combustion Performance for building products and Components.
The inner layer of the composite tube described in example 3 had an antibacterial activity of > 99% against escherichia coli and > 99% against staphylococcus aureus.
Comparative example 4 is the case of no nano cerium oxide hybrid material and comparative example 5 is the case of 0.5 part nano cerium oxide hybrid material, it can be seen that the change of the properties is significant.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the concept of the present invention, and these modifications and decorations should also be regarded as being within the protection scope of the present invention.
Claims (9)
1. A preparation method of a temperature-resistant impact-resistant high-strength PPR fiber composite pipe is characterized by comprising the following steps:
(1) taking 100 parts of PPR resin as a raw material, adding 20-25 parts of thermoplastic polyolefin elastomer, 10-15 parts of glass hollow microspheres, 3-5 parts of silicon dioxide aerogel, 5 parts of compatilizer, 5 parts of color master batch and 1 part of anti-aging master batch, stirring by using a stirrer, and granulating by using a double-screw granulator to prepare the PPR-TPO blending foaming composite material;
(2) taking 100 parts of thermoplastic polyolefin elastomer as a raw material, adding 20-35 parts of hollow polyimide fiber, 5 parts of color master batch, 1 part of anti-aging master batch and 1 part of nano cerium oxide hybrid material, stirring by a stirrer, and granulating by a double-screw granulator to prepare the hollow polyimide fiber composite TPO material;
(3) taking 100 parts of random copolymerization polypropylene granules as raw materials, adding 20-40 parts of chopped glass fibers, 3-6 parts of inorganic filler, 6.5 parts of compatilizer, 1 part of anti-aging master batch and 2 parts of color master batch, stirring by adopting a stirrer, and granulating by using a double-screw granulator to prepare the fiber reinforced random copolymerization polypropylene composite material;
(4) and (3) taking the fiber reinforced random copolymerization polypropylene composite material prepared in the step (3) as a material of a third layer, taking the hollow polyimide fiber composite TPO prepared in the step (2) as a material of a second layer, taking the PPR-TPO blended foaming composite material prepared in the step (1) as a material of a fourth layer and a material of a fifth layer, and co-extruding the materials by five single-screw extruders to prepare the pipe.
2. The method for preparing a temperature-resistant impact-resistant high-strength PPR fiber composite pipe according to claim 1, wherein in step (1) and step (2), said TPO is a C4 copolymer with thermoplastic elastomer properties.
3. The method for preparing the temperature-resistant impact-resistant high-strength PPR fiber composite pipe as claimed in claim 1, wherein in the PI composite TPO material belonging to step (2), the mass fraction of the fibers is 16-20%, and the length of the fibers is 600-1200 μm.
4. The method for preparing the temperature-resistant impact-resistant high-strength PPR fiber composite pipe as claimed in claim 1, wherein in step (2), the raw materials of the nano cerium oxide hybrid material are nano cerium oxide modified product, pentaerythritol and PEN slices.
5. The preparation method of the temperature-resistant impact-resistant high-strength PPR fiber composite tube as claimed in claim 4, wherein the mass fraction of the nano cerium oxide modifier in the nano cerium oxide hybrid material is 3-5%.
6. The method for preparing the temperature-resistant impact-resistant high-strength PPR fiber composite pipe as claimed in claim 4, wherein the mass fraction of pentaerythritol in the nano cerium oxide hybrid material is 0.5-1%.
7. The method for preparing the temperature-resistant impact-resistant high-strength PPR fiber composite pipe as claimed in claim 1, wherein in the fiber-reinforced random copolymer polypropylene composite material of step (3), the mass fraction of the fibers is 18-28%, and the length of the fibers is 300-800 μm.
8. The method for preparing the temperature-resistant impact-resistant high-strength PPR fiber composite pipe as claimed in claim 1, wherein in step (4), the temperature of the extruder sleeve of the fiber-reinforced random copolymer polypropylene composite material is 50 ± 30 ℃, the temperature of the barrel is 200 ± 25 ℃, and the temperature of the die head is 200 ± 25 ℃; the temperature of the extruder sleeve of the PI composite TPO layer is 50 +/-30 ℃, the temperature of the extruder sleeve is 210 +/-25 ℃, and the temperature of the die head is 220 +/-25 ℃; the temperature of the sleeve of the extruder of the PPR-TPO blended foaming composite material is 50 +/-30 ℃, the temperature of the cylinder of the extruder is 210 +/-25 ℃, and the temperature of the die head of the extruder is 220 +/-25 ℃.
9. The method for preparing the temperature-resistant impact-resistant high-strength PPR fiber composite pipe as claimed in claim 1, wherein in the step (4), the ratio of each layer of the pipe is controlled to be 1:1:4:1:1 by adjusting the screw rotation speed of each extruder.
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