CN105837952A - A PPR water supply pipe material resistant to low temperatures and high in toughness and a preparing method thereof - Google Patents

A PPR water supply pipe material resistant to low temperatures and high in toughness and a preparing method thereof Download PDF

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CN105837952A
CN105837952A CN201610218237.6A CN201610218237A CN105837952A CN 105837952 A CN105837952 A CN 105837952A CN 201610218237 A CN201610218237 A CN 201610218237A CN 105837952 A CN105837952 A CN 105837952A
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parts
temperature
ppr
toughness
feed pipe
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史闵新
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Suzhou Fuzhong Plastic Co Ltd
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Suzhou Fuzhong Plastic Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/14—Copolymers of propene
    • 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
    • F16L9/12—Rigid pipes of plastics with or without reinforcement
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/18—Applications used for pipes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

A PPR water supply pipe material resistant to low temperatures and high in toughness and a preparing method thereof are disclosed. The material comprises PPR, fluororesin, butyl rubber, ethylene propylene terpolymer, poly(propylene naphthalate), propylene glycol, dioctyl sebacate, N,N'-1,3-phenylene bismaleimide, oxidized polyethylene wax, polycaprolactone, benzoyl peroxide, anhydrite powder, ethylene propylene terpolymer paraffin oil, peppermint oil, dioctyltin dilaurate, a dispersant and an auxiliary agent according to weight parts. The tensile yield strength of a water supply pipe prepared from the material is 23 MPa or above, the notch impact strength of the water supply pipe at -40 DEG C is 62-73 KJ/m2, and the elongation at break of the water supply pipe is 760-850%. The problem that common water supply pipes are high in brittleness at low temperatures and sensitive in notch is overcome. The service lifetime is prolonged. The cost is reduced. The material and the method have wide application value.

Description

A kind of low-temperature-resistance high-toughness PPR feed pipe material and preparation method thereof
Technical field
The present invention relates to pipeline material technical field, particularly relate to a kind of low-temperature-resistance high-toughness PPR feed pipe material and preparation method thereof.
Background technology
Current domestic urbanite water consumption supply uses tubing mainly to have iron pipe, stainless steel tube, plastic tube etc..But iron pipe easily gets rusty, it is unfavorable for water cleaning；Stainless steel tube then cost is high and is unfavorable for promoting；Plastic tube due to its be difficult to get rusty, lower-cost advantage, use more and more universal.
In plastic tube, polypropylene tube gains great popularity owing to its cost is low, but its shock resistance is poor, and quality is crisp, is not suitable for using on a large scale.Having multiple toughening technology method for the shock resistance how improving polypropylene pipe, wherein, the toughening effect of random copolymerization toughening technology is optimal.The technology of the PPR resin of random copolymerization toughening technology, i.e. propylene and ethylene random copolymerization.Prepared PPR pipe has the advantages such as corrosion-resistant and resistance to elevated temperatures, good pressure, insulation and ageing-resistant performance and health be nontoxic, easy for installation, specious.But the manufacturing cost of this PPR pipe is high, under low temperature, fragility is poor, and tubing is easy to crack even to be scrapped.Therefore, it is necessary to provide a kind of to keep preferably intensity and the PPR pipe of toughness under cryogenic.
Summary of the invention
It is an object of the invention to provide a kind of low-temperature-resistance high-toughness PPR feed pipe material and preparation method thereof, it is intended to solve fragility under common PPR pipe cost of manufacture high and low temperature poor, cause tubing easy to crack, service life at least one technical problem such as short grade.
The invention provides a kind of low-temperature-resistance high-toughness PPR feed pipe material, component including following parts by weight: PPR 50 ~ 80 parts, fluororesin 24 ~ 35 parts, butyl rubber 14 ~ 20 parts, ethylene propylene diene rubber 8 ~ 17 parts, polytrimethylene naphthalate 5 ~ 13 parts, propylene glycol 3 ~ 9 parts, di-n-octyl sebacate 6 ~ 13 parts, N, penylene BMI 2 ~ 7 parts between N'-, OPE 3 ~ 8 parts, polycaprolactone 3 ~ 9 parts, benzoyl peroxide 4 ~ 8 parts, anhydrite powder 8 ~ 20 parts, EPDM paraffin oil 2 ~ 9 parts, Oleum menthae 3 ~ 8 parts, Bis(lauroyloxy)dioctyltin 1 ~ 5 part, dispersant 0.5 ~ 1.5 part and auxiliary agent 0.8 ~ 2 part.
Preferably, described dispersant is IPPP.
Preferably, described auxiliary agent includes the mixture that mass ratio is the antioxidant of 2:0.4:1, ultraviolet absorber and fire retardant；Described antioxidant is antioxidant 1076 and the antioxidant 264 of mass ratio 3:5, and described ultraviolet absorber is single benzoic acid resorcinol, and described fire retardant is hypophosphites.
Preferably, described low-temperature-resistance high-toughness PPR feed pipe material, component including following parts by weight: PPR 67 parts, fluororesin 29 parts, butyl rubber 18 parts, ethylene propylene diene rubber 11 parts, polytrimethylene naphthalate 8 parts, propylene glycol 6 parts, di-n-octyl sebacate 8 parts, N, penylene BMI 4 parts, OPE 5 parts, polycaprolactone 6 parts, benzoyl peroxide 5 parts, anhydrite powder 16 parts, EPDM paraffin oil 5 parts, Oleum menthae 6 parts, Bis(lauroyloxy)dioctyltin 2 parts, dispersant 0.9 part and auxiliary agent 1.2 parts between N'-.
The present invention also provides for the preparation method of a kind of described low-temperature-resistance high-toughness PPR feed pipe material, comprises the following steps:
1) joining in batch mixer by PPR, butyl rubber, anhydrite powder, OPE and Oleum menthae, controlling temperature is 80 ~ 95 DEG C, and mixing time is 20 ~ 70 minutes；
2) after the material in step 1) is cooled to 40 ~ 55 DEG C, add propylene glycol, benzoyl peroxide and di-n-octyl sebacate, mixing time is 2 ~ 5 hours, it is then transferred in double screw extruder melt extrude pelletize, prilling is temperature 180 ~ 200 DEG C, twin screw rotating speed 50 ~ 150rpm, obtains master batch A；
3) joining in homogenizer by the remaining raw material in addition to auxiliary agent, mixing speed is 2000 ~ 4000rpm, and mixing time is 15 ~ 40 minutes, it is then transferred in double screw extruder melt extrude pelletize, prilling is temperature 160 ~ 180 DEG C, and twin screw rotating speed 100 ~ 300rpm obtains mother particle B；
4) by step 2) in master batch A, mother particle B in step 3) and auxiliary agent join in blender, whipping temp is 110 ~ 125 DEG C, mixing time is 10 ~ 20 minutes, is then added in single screw extrusion machine squeeze pipe molding, obtains required low-temperature-resistance high-toughness PPR feed pipe material.
Preferably, controlling temperature in described step 1) is 82 DEG C, and mixing time is 45 minutes.
Preferably, described step 2) in be cooled to 50 DEG C；Described step 2) in mixing time be 3 hours；Described step 2) in double screw extruder in prilling be temperature 185 DEG C, twin screw rotating speed 80rpm.
Preferably, in described step 3), mixing speed is 2500rpm, and mixing time is 20 minutes；In double screw extruder in described step 3), prilling is temperature 165 DEG C, twin screw rotating speed 150rpm.
Preferably, in described step 4), whipping temp is 115 DEG C, and mixing time is 16 minutes；The process conditions in single screw extrusion machine in described step 4) be jacket temperature be 60 DEG C, barrel zone temperature is 192 DEG C, and die head temperature is 206 DEG C, and screw speed is 80rpm.
Owing to have employed above technical scheme, the invention has the beneficial effects as follows: the tensile yield strength of feed pipe prepared by the present invention reaches more than 23MPa, at-40 DEG C, notch impact strength is 62 ~ 73 KJ/m2, elongation at break is 760 ~ 850%, and in a low temperature of solving common feed pipe, fragility is big, and notch-sensitive problem extends service life, reduces cost, has relatively broad using value.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail.Following example are used for illustrating the present invention, but are not limited to the scope of the present invention.
Embodiment 1
The present embodiment low-temperature-resistance high-toughness PPR feed pipe material, component including following parts by weight: PPR 50 parts, fluororesin 24 parts, butyl rubber 14 parts, ethylene propylene diene rubber 8 parts, polytrimethylene naphthalate 5 parts, propylene glycol 3 parts, di-n-octyl sebacate 6 parts, N, penylene BMI 2 parts, OPE 3 parts, polycaprolactone 3 parts, benzoyl peroxide 4 parts, anhydrite powder 8 parts, EPDM paraffin oil 2 parts, Oleum menthae 3 parts, Bis(lauroyloxy)dioctyltin 1 part, dispersant 0.5 part and auxiliary agent 0.8 part between N'-；
Described dispersant is IPPP；Described auxiliary agent includes the mixture that mass ratio is the antioxidant of 2:0.4:1, ultraviolet absorber and fire retardant；Described antioxidant is antioxidant 1076 and the antioxidant 264 of mass ratio 3:5, and described ultraviolet absorber is single benzoic acid resorcinol, and described fire retardant is hypophosphites.
The preparation method of the described low-temperature-resistance high-toughness PPR feed pipe material of the present embodiment, comprises the following steps:
1) joining in batch mixer by PPR, butyl rubber, anhydrite powder, OPE and Oleum menthae, controlling temperature is 80 DEG C, and mixing time is 20 minutes；
2) after the material in step 1) is cooled to 40 ~ 55 DEG C, adding propylene glycol, benzoyl peroxide and di-n-octyl sebacate, mixing time is 2 hours, it is then transferred in double screw extruder melt extrude pelletize, prilling is temperature 180 DEG C, and twin screw rotating speed 50rpm obtains master batch A；
3) joining in homogenizer by the remaining raw material in addition to auxiliary agent, mixing speed is 2000rpm, and mixing time is 15 minutes, it is then transferred in double screw extruder melt extrude pelletize, prilling is temperature 160 DEG C, and twin screw rotating speed 100rpm obtains mother particle B；
4) by step 2) in master batch A, mother particle B in step 3) and auxiliary agent join in blender, whipping temp is 110 DEG C, mixing time is 10 minutes, being then added in single screw extrusion machine, described single screw extrusion machine jacket temperature is 60 DEG C, and barrel zone temperature is 192 DEG C, die head temperature is 206 DEG C, screw speed is 80rpm, by crowded pipe molding, obtains required low-temperature-resistance high-toughness PPR feed pipe material.
Embodiment 2
The present embodiment low-temperature-resistance high-toughness PPR feed pipe material, component including following parts by weight: PPR80 part, fluororesin 35 parts, butyl rubber 20 parts, ethylene propylene diene rubber 17 parts, polytrimethylene naphthalate 13 parts, propylene glycol 9 parts, di-n-octyl sebacate 13 parts, N, penylene BMI 7 parts, OPE 8 parts, polycaprolactone 9 parts, benzoyl peroxide 8 parts, anhydrite powder 20 parts, EPDM paraffin oil 9 parts, Oleum menthae 8 parts, Bis(lauroyloxy)dioctyltin 5 parts, dispersant 1.5 parts and auxiliary agent 2 parts between N'-；
Described dispersant is IPPP；Described auxiliary agent includes the mixture that mass ratio is the antioxidant of 2:0.4:1, ultraviolet absorber and fire retardant；Described antioxidant is antioxidant 1076 and the antioxidant 264 of mass ratio 3:5, and described ultraviolet absorber is single benzoic acid resorcinol, and described fire retardant is hypophosphites.
The preparation method of the described low-temperature-resistance high-toughness PPR feed pipe material of the present embodiment, comprises the following steps:
1) joining in batch mixer by PPR, butyl rubber, anhydrite powder, OPE and Oleum menthae, controlling temperature is 95 DEG C, and mixing time is 70 minutes；
2) after the material in step 1) is cooled to 55 DEG C, adding propylene glycol, benzoyl peroxide and di-n-octyl sebacate, mixing time is 5 hours, it is then transferred in double screw extruder melt extrude pelletize, prilling is temperature 200 DEG C, and twin screw rotating speed 150rpm obtains master batch A；
3) joining in homogenizer by the remaining raw material in addition to auxiliary agent, mixing speed is 4000rpm, and mixing time is 40 minutes, it is then transferred in double screw extruder melt extrude pelletize, prilling is temperature 180 DEG C, and twin screw rotating speed 300rpm obtains mother particle B；
4) by step 2) in master batch A, mother particle B in step 3) and auxiliary agent join in blender, whipping temp is 125 DEG C, mixing time is 10 ~ 20 minutes, being then added in single screw extrusion machine, described single screw extrusion machine jacket temperature is 60 DEG C, and barrel zone temperature is 192 DEG C, die head temperature is 206 DEG C, screw speed is 80rpm, by crowded pipe molding, obtains required low-temperature-resistance high-toughness PPR feed pipe material.
Embodiment 3
The present embodiment low-temperature-resistance high-toughness PPR feed pipe material, component including following parts by weight: PPR 65 parts, fluororesin 30 parts, butyl rubber 17 parts, ethylene propylene diene rubber 12 parts, polytrimethylene naphthalate 9 parts, propylene glycol 6 parts, di-n-octyl sebacate 9 parts, N, penylene BMI 4 parts, OPE 5 parts, polycaprolactone 6 parts, benzoyl peroxide 6 parts, anhydrite powder 14 parts, EPDM paraffin oil 5 parts, Oleum menthae 5 parts, Bis(lauroyloxy)dioctyltin 3 parts, dispersant 1 part and auxiliary agent 1.4 parts between N'-；
Described dispersant is IPPP；Described auxiliary agent includes the mixture that mass ratio is the antioxidant of 2:0.4:1, ultraviolet absorber and fire retardant；Described antioxidant is antioxidant 1076 and the antioxidant 264 of mass ratio 3:5, and described ultraviolet absorber is single benzoic acid resorcinol, and described fire retardant is hypophosphites.
The preparation method of the described low-temperature-resistance high-toughness PPR feed pipe material of the present embodiment, comprises the following steps:
1) joining in batch mixer by PPR, butyl rubber, anhydrite powder, OPE and Oleum menthae, controlling temperature is 87 DEG C, and mixing time is 45 minutes；
2) after the material in step 1) is cooled to 47 DEG C, adding propylene glycol, benzoyl peroxide and di-n-octyl sebacate, mixing time is 3.5 hours, it is then transferred in double screw extruder melt extrude pelletize, prilling is temperature 190 DEG C, and twin screw rotating speed 100rpm obtains master batch A；
3) joining in homogenizer by the remaining raw material in addition to auxiliary agent, mixing speed is 3000rpm, and mixing time is 27 minutes, it is then transferred in double screw extruder melt extrude pelletize, prilling is temperature 160 ~ 180 DEG C, and twin screw rotating speed 200rpm obtains mother particle B；
4) by step 2) in master batch A, mother particle B in step 3) and auxiliary agent join in blender, whipping temp is 117 DEG C, mixing time is 15 minutes, being then added in single screw extrusion machine, described single screw extrusion machine jacket temperature is 60 DEG C, and barrel zone temperature is 192 DEG C, die head temperature is 206 DEG C, screw speed is 80rpm, by crowded pipe molding, obtains required low-temperature-resistance high-toughness PPR feed pipe material.
Embodiment 4
The present embodiment low-temperature-resistance high-toughness PPR feed pipe material, component including following parts by weight: PPR 67 parts, fluororesin 29 parts, butyl rubber 18 parts, ethylene propylene diene rubber 11 parts, polytrimethylene naphthalate 8 parts, propylene glycol 6 parts, di-n-octyl sebacate 8 parts, N, penylene BMI 4 parts, OPE 5 parts, polycaprolactone 6 parts, benzoyl peroxide 5 parts, anhydrite powder 16 parts, EPDM paraffin oil 5 parts, Oleum menthae 6 parts, Bis(lauroyloxy)dioctyltin 2 parts, dispersant 0.9 part and auxiliary agent 1.2 parts between N'-；
Described dispersant is IPPP；Described auxiliary agent includes the mixture that mass ratio is the antioxidant of 2:0.4:1, ultraviolet absorber and fire retardant；Described antioxidant is antioxidant 1076 and the antioxidant 264 of mass ratio 3:5, and described ultraviolet absorber is single benzoic acid resorcinol, and described fire retardant is hypophosphites.
The preparation method of the described low-temperature-resistance high-toughness PPR feed pipe material of the present embodiment, comprises the following steps:
1) joining in batch mixer by PPR, butyl rubber, anhydrite powder, OPE and Oleum menthae, controlling temperature is 82 DEG C, and mixing time is 45 minutes；
2) after the material in step 1) is cooled to 50 DEG C, adding propylene glycol, benzoyl peroxide and di-n-octyl sebacate, mixing time is 3 hours, it is then transferred in double screw extruder melt extrude pelletize, prilling is temperature 185 DEG C, and twin screw rotating speed 80rpm obtains master batch A；
3) joining in homogenizer by the remaining raw material in addition to auxiliary agent, mixing speed is 2500rpm, and mixing time is 20 minutes, it is then transferred in double screw extruder melt extrude pelletize, prilling is temperature 165 DEG C, and twin screw rotating speed 150rpm obtains mother particle B；
4) by step 2) in master batch A, mother particle B in step 3) and auxiliary agent join in blender, whipping temp is 115 DEG C, mixing time is 16 minutes, being then added in single screw extrusion machine, described single screw extrusion machine jacket temperature is 60 DEG C, and barrel zone temperature is 192 DEG C, die head temperature is 206 DEG C, screw speed is 80rpm, by crowded pipe molding, obtains required low-temperature-resistance high-toughness PPR feed pipe material.
Embodiment 5
The present embodiment low-temperature-resistance high-toughness PPR feed pipe material, component including following parts by weight: PPR 70 parts, fluororesin 25 parts, butyl rubber 15 parts, ethylene propylene diene rubber 11 parts, polytrimethylene naphthalate 8 parts, propylene glycol 4 parts, di-n-octyl sebacate 9 parts, N, penylene BMI 5 parts, OPE 6 parts, polycaprolactone 4 parts, benzoyl peroxide 5 parts, anhydrite powder 10 parts, EPDM paraffin oil 8 parts, Oleum menthae 4 parts, Bis(lauroyloxy)dioctyltin 3 parts, dispersant 1.2 parts and auxiliary agent 1.4 parts between N'-；
Described dispersant is IPPP；Described auxiliary agent includes the mixture that mass ratio is the antioxidant of 2:0.4:1, ultraviolet absorber and fire retardant；Described antioxidant is antioxidant 1076 and the antioxidant 264 of mass ratio 3:5, and described ultraviolet absorber is single benzoic acid resorcinol, and described fire retardant is hypophosphites.
The preparation method of the described low-temperature-resistance high-toughness PPR feed pipe material of the present embodiment, comprises the following steps:
1) joining in batch mixer by PPR, butyl rubber, anhydrite powder, OPE and Oleum menthae, controlling temperature is 82 DEG C, and mixing time is 30 minutes；
2) after the material in step 1) is cooled to 46 DEG C, adding propylene glycol, benzoyl peroxide and di-n-octyl sebacate, mixing time is 3 hours, it is then transferred in double screw extruder melt extrude pelletize, prilling is temperature 188 DEG C, and twin screw rotating speed 85rpm obtains master batch A；
3) joining in homogenizer by the remaining raw material in addition to auxiliary agent, mixing speed is 3200rpm, and mixing time is 25 minutes, it is then transferred in double screw extruder melt extrude pelletize, prilling is temperature 168 DEG C, and twin screw rotating speed 150rpm obtains mother particle B；
4) by step 2) in master batch A, mother particle B in step 3) and auxiliary agent join in blender, whipping temp is 118 DEG C, mixing time is 12 minutes, being then added in single screw extrusion machine, described single screw extrusion machine jacket temperature is 60 DEG C, and barrel zone temperature is 192 DEG C, die head temperature is 206 DEG C, screw speed is 80rpm, by crowded pipe molding, obtains required low-temperature-resistance high-toughness PPR feed pipe material.
Comparative example 1
This comparative example is with the difference of embodiment 1: not fluorine resin, OPE and anhydrite powder, and other guide keeps constant.
Comparative example 2
This comparative example is with the difference of embodiment 1: butyl rubber, Oleum menthae, dispersant and polycaprolactone, and other guide keeps constant.
The PPR feed pipe of embodiment 1 to 5 preparation and the feed pipe of comparative example 1,2 preparation are carried out performance test, and its test result is as shown in table 1.
The performance test results of the feed pipe of table 1 preparation
Tensile yield strength/MPa Notch impact strength/KJ/m2(-40 DEG C) Elongation at break/%
Embodiment 1 23 62 760
Embodiment 2 25 68 810
Embodiment 3 26 65 780
Embodiment 4 29 73 850
Embodiment 5 25 67 800
Comparative example 1 18 42 550
Comparative example 2 15 40 570
As shown in Table 1, the tensile yield strength of feed pipe prepared by the present invention reaches more than 23MPa, and at-40 DEG C, notch impact strength is 62 ~ 73 KJ/m2, elongation at break is 760 ~ 850%, and in a low temperature of solving common feed pipe, fragility is big, and notch-sensitive problem extends service life, reduces cost, has relatively broad using value.
Compared with Example 1, comparative example 1 and the tensile yield strength of comparative example 2, notch impact strength and elongation at break all decline to a certain degree, the combination of the fluororesin in raw material, OPE and anhydrite powder is described, and the combination of butyl rubber, Oleum menthae, dispersant and polycaprolactone all exists certain impact to the performance that feed pipe is final.

Claims (9)

1. a low-temperature-resistance high-toughness PPR feed pipe material, it is characterized in that, component including following parts by weight: PPR 50 ~ 80 parts, fluororesin 24 ~ 35 parts, butyl rubber 14 ~ 20 parts, ethylene propylene diene rubber 8 ~ 17 parts, polytrimethylene naphthalate 5 ~ 13 parts, propylene glycol 3 ~ 9 parts, di-n-octyl sebacate 6 ~ 13 parts, N, penylene BMI 2 ~ 7 parts between N'-, OPE 3 ~ 8 parts, polycaprolactone 3 ~ 9 parts, benzoyl peroxide 4 ~ 8 parts, anhydrite powder 8 ~ 20 parts, EPDM paraffin oil 2 ~ 9 parts, Oleum menthae 3 ~ 8 parts, Bis(lauroyloxy)dioctyltin 1 ~ 5 part, dispersant 0.5 ~ 1.5 part and auxiliary agent 0.8 ~ 2 part.
Low-temperature-resistance high-toughness PPR feed pipe material the most according to claim 1, it is characterised in that described dispersant is IPPP.
Low-temperature-resistance high-toughness PPR feed pipe material the most according to claim 1, it is characterised in that described auxiliary agent includes the mixture that mass ratio is the antioxidant of 2:0.4:1, ultraviolet absorber and fire retardant；Described antioxidant is antioxidant 1076 and the antioxidant 264 of mass ratio 3:5, and described ultraviolet absorber is single benzoic acid resorcinol, and described fire retardant is hypophosphites.
4. according to the low-temperature-resistance high-toughness PPR feed pipe material described in claim 1 or 2 or 3, it is characterized in that, component including following parts by weight: PPR 67 parts, fluororesin 29 parts, butyl rubber 18 parts, ethylene propylene diene rubber 11 parts, polytrimethylene naphthalate 8 parts, propylene glycol 6 parts, di-n-octyl sebacate 8 parts, N, penylene BMI 4 parts between N'-, OPE 5 parts, polycaprolactone 6 parts, benzoyl peroxide 5 parts, anhydrite powder 16 parts, EPDM paraffin oil 5 parts, Oleum menthae 6 parts, Bis(lauroyloxy)dioctyltin 2 parts, dispersant 0.9 part and auxiliary agent 1.2 parts.
5. according to the preparation method of the low-temperature-resistance high-toughness PPR feed pipe material described in any one of Claims 1-4, it is characterised in that comprise the following steps:
1) joining in batch mixer by PPR, butyl rubber, anhydrite powder, OPE and Oleum menthae, controlling temperature is 80 ~ 95 DEG C, and mixing time is 20 ~ 70 minutes；
2) after the material in step 1) is cooled to 40 ~ 55 DEG C, add propylene glycol, benzoyl peroxide and di-n-octyl sebacate, mixing time is 2 ~ 5 hours, it is then transferred in double screw extruder melt extrude pelletize, prilling is temperature 180 ~ 200 DEG C, twin screw rotating speed 50 ~ 150rpm, obtains master batch A；
3) joining in homogenizer by the remaining raw material in addition to auxiliary agent, mixing speed is 2000 ~ 4000rpm, and mixing time is 15 ~ 40 minutes, it is then transferred in double screw extruder melt extrude pelletize, prilling is temperature 160 ~ 180 DEG C, and twin screw rotating speed 100 ~ 300rpm obtains mother particle B；
4) by step 2) in master batch A, mother particle B in step 3) and auxiliary agent join in blender, whipping temp is 110 ~ 125 DEG C, mixing time is 10 ~ 20 minutes, is then added in single screw extrusion machine squeeze pipe molding, obtains required low-temperature-resistance high-toughness PPR feed pipe material.
The preparation method of low-temperature-resistance high-toughness PPR feed pipe material the most according to claim 5, it is characterised in that controlling temperature in described step 1) is 82 DEG C, and mixing time is 45 minutes.
The preparation method of low-temperature-resistance high-toughness PPR feed pipe material the most according to claim 5, it is characterised in that described step 2) in be cooled to 50 DEG C；Described step 2) in mixing time be 3 hours；Described step 2) in double screw extruder in prilling be temperature 185 DEG C, twin screw rotating speed 80rpm.
The preparation method of low-temperature-resistance high-toughness PPR feed pipe material the most according to claim 5, it is characterised in that in described step 3), mixing speed is 2500rpm, and mixing time is 20 minutes；In double screw extruder in described step 3), prilling is temperature 165 DEG C, twin screw rotating speed 150rpm.
The preparation method of low-temperature-resistance high-toughness PPR feed pipe material the most according to claim 5, it is characterised in that in described step 4), whipping temp is 115 DEG C, and mixing time is 16 minutes；The process conditions in single screw extrusion machine in described step 4) be jacket temperature be 60 DEG C, barrel zone temperature is 192 DEG C, and die head temperature is 206 DEG C, and screw speed is 80rpm.
CN201610218237.6A 2016-04-11 2016-04-11 A PPR water supply pipe material resistant to low temperatures and high in toughness and a preparing method thereof Pending CN105837952A (en)

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CN104086886A (en) * 2014-07-09 2014-10-08 安徽宁国市高新管业有限公司 Anti-impact MPP (molypermalloy powder core) electric protection tube

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CN104086886A (en) * 2014-07-09 2014-10-08 安徽宁国市高新管业有限公司 Anti-impact MPP (molypermalloy powder core) electric protection tube

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