CN105949765A - Nylon alloy plastic pipe and preparation technology thereof - Google Patents
Nylon alloy plastic pipe and preparation technology thereof Download PDFInfo
- Publication number
- CN105949765A CN105949765A CN201610417510.8A CN201610417510A CN105949765A CN 105949765 A CN105949765 A CN 105949765A CN 201610417510 A CN201610417510 A CN 201610417510A CN 105949765 A CN105949765 A CN 105949765A
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- China
- Prior art keywords
- plastic pipe
- alloy plastic
- nylon alloy
- preparation technology
- nylon
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- Granted
Links
- 239000004677 Nylon Substances 0.000 title claims abstract description 56
- 229920001778 nylon Polymers 0.000 title claims abstract description 56
- 239000004033 plastic Substances 0.000 title claims abstract description 45
- 229920003023 plastic Polymers 0.000 title claims abstract description 45
- 239000000956 alloy Substances 0.000 title claims abstract description 44
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 238000005516 engineering process Methods 0.000 title claims abstract description 14
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 23
- 238000002156 mixing Methods 0.000 claims abstract description 23
- 229920005989 resin Polymers 0.000 claims abstract description 22
- 239000011347 resin Substances 0.000 claims abstract description 22
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 20
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 20
- 239000003063 flame retardant Substances 0.000 claims abstract description 20
- 239000000314 lubricant Substances 0.000 claims abstract description 18
- 229920002302 Nylon 6,6 Polymers 0.000 claims abstract description 17
- 238000001035 drying Methods 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 229920000305 Nylon 6,10 Polymers 0.000 claims abstract description 12
- 229920006152 PA1010 Polymers 0.000 claims abstract description 12
- 229920006659 PA12 Polymers 0.000 claims abstract description 12
- 238000004513 sizing Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 41
- 238000004078 waterproofing Methods 0.000 claims description 16
- -1 0.05%~2% Substances 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 13
- 238000002844 melting Methods 0.000 claims description 12
- 230000008018 melting Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- 238000001125 extrusion Methods 0.000 claims description 8
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 claims description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- 239000001110 calcium chloride Substances 0.000 claims description 4
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 4
- 239000006229 carbon black Substances 0.000 claims description 4
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 235000019359 magnesium stearate Nutrition 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 239000005995 Aluminium silicate Substances 0.000 claims description 3
- 235000012211 aluminium silicate Nutrition 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 3
- 235000013539 calcium stearate Nutrition 0.000 claims description 3
- 239000008116 calcium stearate Substances 0.000 claims description 3
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 3
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 3
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical class C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims description 3
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 3
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 3
- 239000000347 magnesium hydroxide Substances 0.000 claims description 3
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 3
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 3
- 150000008301 phosphite esters Chemical class 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- KYLIZBIRMBGUOP-UHFFFAOYSA-N Anetholtrithion Chemical group C1=CC(OC)=CC=C1C1=CC(=S)SS1 KYLIZBIRMBGUOP-UHFFFAOYSA-N 0.000 claims 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- 229910052787 antimony Inorganic materials 0.000 claims 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims 1
- 239000011701 zinc Substances 0.000 claims 1
- 229910052725 zinc Inorganic materials 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 abstract 1
- 230000001050 lubricating effect Effects 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 20
- 239000000835 fiber Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 229920002292 Nylon 6 Polymers 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 3
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical group [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 3
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 230000001846 repelling effect Effects 0.000 description 3
- IHBMMJGTJFPEQY-UHFFFAOYSA-N sulfanylidene(sulfanylidenestibanylsulfanyl)stibane Chemical group S=[Sb]S[Sb]=S IHBMMJGTJFPEQY-UHFFFAOYSA-N 0.000 description 3
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- 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 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229920003231 aliphatic polyamide Polymers 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 125000006367 bivalent amino carbonyl group Chemical group [H]N([*:1])C([*:2])=O 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical class C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000002464 physical blending Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002076 thermal analysis method Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a nylon alloy plastic pipe and a preparation technology thereof. The nylon alloy plastic pipe is prepared from PA66, PA610, PA1010, PA12, a fire retardant, a lubricant, a waterproof agent and an antioxidant. The preparation technology comprises the steps that raw material resin is weighed accurately, and then drying treatment is performed; the dried raw material resin is subjected to mixing, the fire retardant, the lubricant, the waterproof agent and the antioxidant are added to obtain a mixed melt; the mixed melt is extruded from a hopper, molded at a machine head mouth mold to obtain a continuous body and extruded out of a machine through a screw, and cooling, sizing, traction and stretching are performed to obtain the nylon alloy plastic pipe. The prepared nylon alloy plastic pipe has the excellent water resistance, shrinking resistance, lubricating property, high pressure bearing capacity and thermal stability.
Description
Technical field
The present invention relates to the compositions field of polyamide, be specifically related to a kind of nylon alloy plastic pipe and system thereof
Standby technique.
Background technology
Nylon (PA), has another name called polyamide, is containing recurring amide radical group [NHCO] on molecular backbone
Thermoplastic resin general name, including aliphatic PA, aliphatic-aromatic race PA and aromatic series PA.Use nylon material
The plastic pipe of preparation has outstanding wearability, thermostability, mechanical strength, elasticity, toughness and resist bending
Fatigue behaviour.But the feature due to polyamide molecule structure so that its hydrophilic is relatively strong, has higher
Steam sensitivity, must be dried process to it before application, limits the range of application of nylon pipe,
And the contractility of nylon material is big, greasy property is poor, and it is relatively low to bear high pressure ability, and heat stability is relatively
Difference, if not modified to nylon pipe, then make nylon material due to its stronger hygroscopicity, causes nylon tube
The mechanical strengths such as the intensity of material, toughness are gradually reduced, it is impossible to meet industry needs, shorten service life.Cause
This, need to be modified nylon pipe processing, and to meet the market demand, expands the application neck of nylon material
Territory and market share.
Plastic alloy be utilize physical blending or the method for chemical graft and obtain high-performance, functionalization, specially
With the class new material changed, it can improve or improve the performance of existing plastics and reduce cost, it has also become plastics
One of kind the most active in industry.
Chinese patent CN200510025568.X discloses a kind of halogen-free flame-retardant nylon 6 and nylon66 fiber alloy,
It is made up of mixture, and its weight proportion consists of: nylon 630-65, nylon66 fiber 30-65, fire retardant
A0.1-15%, fire retardant B0.1-15%, carbon forming agent 0.1-2%, antioxidant 0.1-1%, anti ultraviolet agent 0.1-1%.
But this patent differs greatly due to the thermostability of nylon 6 and nylon66 fiber, and the viscosity of nylon 6 is relatively big,
It is difficult to carry out extrusion molten, and relatively big to wear and tear in machines, therefore use the preparation method of this patent to prepare
Go out nylon alloy of good performance.
Chinese patent CN201510124684.0 discloses a kind of nitrile rubber/nylon66 fiber alloy, belongs to machinery
Macromolecular material is blended, especially with the macromolecular material of nylon66 fiber modified butadiene acrylonitrile rubber.But in this patent
Nitrile rubber and the poor compatibility of nylon, although with the addition of compatilizer, the most uncontrollable alloy material equal
One property.
Accordingly, it would be desirable to nylon material is modified, with improve the water repelling property of nylon pipe, anti-contracility,
Lubricity, high pressure ability to bear and thermal stability.
Summary of the invention
The present invention is directed to the problems referred to above, it is provided that a kind of nylon alloy plastic pipe and preparation technology thereof, by system
Standby nylon alloy plastic pipe, is effectively improved the water repelling property of nylon pipe, anti-contracility, lubricity, height
Pressure ability to bear and thermal stability.
The present invention solves the problems referred to above and be the technical scheme is that
A kind of nylon alloy plastic pipe, it is characterised in that prepare nylon alloy plastic pipe raw material and
Percetage by weight is: PA66,30%～45%, PA610,15%～25%, PA1010,15%～25%,
PA12,15%～25%, fire retardant, 0.05%～2%, lubricant, 0.1%～1%, waterproofing agent, 0.5%～2%,
Antioxidant, 0.05%～1%.
Further, fire retardant is antimonous sulfide, magnesium hydroxide, magnesium stearate, APP, poly-boron
Any one or more of siloxanes.
Further, lubricant be white carbon black, graphite, Kaolin, Pulvis Talci, Gypsum Fibrosum powder any one or many
Kind.
Further, waterproofing agent is aluminium hydroxide, polysiloxanes, calcium chloride, montmorillonite, calcium stearate
Any one or more.
Further, antioxidant be zinc oxide, titanium dioxide, diphenylamines, 2,6-di-t-butyl-1-methoxy
Base Pyrogentisinic Acid, phosphite ester any one or more.
Another goal of the invention of the present invention, is to provide the preparation work of a kind of above-mentioned nylon alloy plastic pipe
Skill, comprises the following steps:
Step A, gets the raw materials ready: according to percetage by weight, precise material resin PA66, PA610, PA1010,
PA12, then carries out drying and processing under the temperature conditions of 50 DEG C～55 DEG C；
Step B, batch mixing: by material resin PA66, PA610, PA1010, PA12 through drying and processing
Carry out mixing process, add the fire retardant of described percetage by weight, lubricant, waterproofing agent, antioxidant,
Stir, obtain mixed melting material；
Step C, extrusion molding: mixed melting material is cooled to 40 DEG C and extrudes from screw extruder hopper,
Become continuum to be extruded onto outside machine by screw rod at screw extruder head mouth die after molding, cooled, sizing, traction,
Stretching, obtains made nylon alloy plastic pipe.
Further, in step A, drying and processing is: dry moisture content≤0.1% to material resin.
Further, in step B, mixing process is: the mixing viscosity to material resin batch mixing is
40mPa s～60mPa s.
Further, in step B, the viscosity of mixed melting material is 20mPa s～30mPa s.
Further, in step C, the technological parameter of extrusion molding is: extruder temperature from hopper to mouth die
Degree is respectively set as:
40 DEG C/235 DEG C～240 DEG C/235 DEG C～240 DEG C/240 DEG C～245 DEG C/240 DEG C～245 DEG C/245 DEG C～250 DEG C/250
DEG C～255 DEG C/248 DEG C～252 DEG C, screw speed is 55r/min～60r/min.
The invention have the advantage that
1. the nylon alloy plastic pipe that prepared by the present invention, is effectively improved the water repelling property of nylon pipe, resists
Contractility, lubricity, high pressure ability to bear and thermal stability；
2. the present invention uses PA66, PA610, PA1010, PA12 to prepare nylon alloy, due to compatible
Property good, viscosity, frictional property are moderate, are highly suitable for the expressing technique of plastic pipe, preparation
Nylon pipe smooth surface, defect few；
3. the preparation method technique that the present invention uses easily operates, suitable heavy industrialization volume production.
Detailed description of the invention
Hereinafter embodiments of the invention are described in detail, but the present invention can be defined by the claims and
The multitude of different ways covered is implemented.
Embodiment 1
A kind of nylon alloy plastic pipe, it is characterised in that prepare nylon alloy plastic pipe raw material and
Percetage by weight is: PA66,30%, PA610,25%, PA1010,25%, PA12,18.4%,
Fire retardant, 0.05%, lubricant, 1%, waterproofing agent, 0.5%, antioxidant, 0.05%.
Wherein fire retardant is antimonous sulfide.Lubricant is that white carbon black and Gypsum Fibrosum powder mix according to the mass ratio of 2:1
Mixture.Waterproofing agent is polysiloxanes.Antioxidant is 2,6-di-t-butyl-1-methoxyl group Pyrogentisinic Acid.
Embodiment 2
A kind of nylon alloy plastic pipe, it is characterised in that prepare nylon alloy plastic pipe raw material and
Percetage by weight is: PA66,45%, PA610,15%, PA1010,15%, PA12,19.9%,
Fire retardant, 2%, lubricant, 0.1%, waterproofing agent, 2%, antioxidant, 1%.
The mixture that wherein fire retardant is magnesium hydroxide and magnesium stearate mixes with the mass ratio of 1:1.Profit
Lubrication prescription is the mixture that graphite, Kaolin, Pulvis Talci mix according to the mass ratio of 1:1:1.Waterproof
The mixture that agent is polysiloxanes and calcium stearate mixes according to the mass ratio of 2:1.Antioxidant is two
The mixture that titanium oxide and phosphite ester mix according to the mass ratio of 1:1.
Embodiment 3
A kind of nylon alloy plastic pipe, it is characterised in that prepare nylon alloy plastic pipe raw material and
Percetage by weight is: PA66,38%, PA610,22%, PA1010,22%, PA12,15%, resistance
Combustion agent, 1%, lubricant, 0.5%, waterproofing agent, 1%, antioxidant, 0.5%.
The mixture that wherein fire retardant is APP and polyborosiloxane mixes with the mass ratio of 1:2.
Lubricant is white carbon black.Waterproofing agent be aluminium hydroxide, calcium chloride, montmorillonite according to 1:1:1 mass ratio mix
The mixture closed.Antioxidant be zinc oxide and diphenylamines according to the mass ratio of 1:1 mix mixed
Compound.
Embodiment 4
A kind of nylon alloy plastic pipe, it is characterised in that prepare nylon alloy plastic pipe raw material and
Percetage by weight is: PA66,33%, PA610,16%, PA1010,22%, PA12,25%, resistance
Combustion agent, 1.5%, lubricant, 0.8%, waterproofing agent, 1.2%, antioxidant, 0.5%.
Wherein fire retardant be antimonous sulfide, magnesium stearate, polyborosiloxane with mass ratio for 1:1:1 mix
The mixture closed.The mixture that lubricant is graphite and Pulvis Talci mixes according to the mass ratio of 1:2.
The mixture that waterproofing agent is aluminium hydroxide and calcium chloride mixes according to the mass ratio of 1:1.Antioxidant is
The mixture that titanium dioxide and 2,6-di-t-butyl-1-methoxyl group Pyrogentisinic Acid mix according to the mass ratio of 1:1.
Embodiment 5
The preparation technology of a kind of nylon alloy plastic pipe, comprises the following steps:
Step A, gets the raw materials ready: according to percetage by weight, precise material resin PA66, PA610, PA1010,
PA12, then carries out drying and processing under the temperature conditions of 50 DEG C, and the moisture content of drying to material resin is
0.1%；
Step B, batch mixing: by material resin PA66, PA610, PA1010, PA12 through drying and processing
Carrying out mixing process, the viscosity to material resin batch mixing is 40mPa s, adds described percetage by weight
Fire retardant, lubricant, waterproofing agent, antioxidant, stir, and obtains the mixing that viscosity is 20mPa s and melts
Melting material；
Step C, extrusion molding: mixed melting material is cooled to 40 DEG C and extrudes from screw extruder hopper,
Becoming continuum to be extruded onto outside machine by screw rod at screw extruder head mouth die after molding, extruder is from hopper to mouth die
Temperature be respectively set as: 40 DEG C/235 DEG C/235 DEG C/240 DEG C/240 DEG C/245 DEG C/250 DEG C/248 DEG C, screw rod
Rotating speed is 55r/min, cooled, sizing, draws, stretches, and obtains made nylon alloy plastic pipe.
Embodiment 6
The preparation technology of a kind of nylon alloy plastic pipe, comprises the following steps:
Step A, gets the raw materials ready: according to percetage by weight, precise material resin PA66, PA610, PA1010,
PA12, then carries out drying and processing under the temperature conditions of 55 DEG C, and the moisture content of drying to material resin is
0.03%；
Step B, batch mixing: by material resin PA66, PA610, PA1010, PA12 through drying and processing
Carrying out mixing process, the viscosity to material resin batch mixing is 60mPa s, adds described percetage by weight
Fire retardant, lubricant, waterproofing agent, antioxidant, stir, and obtains the mixing that viscosity is 30mPa s and melts
Melting material；
Step C, extrusion molding: mixed melting material is cooled to 40 DEG C and extrudes from screw extruder hopper,
Becoming continuum to be extruded onto outside machine by screw rod at screw extruder head mouth die after molding, extruder is from hopper to mouth die
Temperature be respectively set as: 40 DEG C/240 DEG C/240 DEG C/245 DEG C/245 DEG C/250 DEG C/255 DEG C/252 DEG C, screw rod
Rotating speed is 60r/min, cooled, sizing, draws, stretches, and obtains made nylon alloy plastic pipe.
Embodiment 7
The preparation technology of a kind of nylon alloy plastic pipe, comprises the following steps:
Step A, gets the raw materials ready: according to percetage by weight, precise material resin PA66, PA610, PA1010,
PA12, then carries out drying and processing under the temperature conditions of 53 DEG C, and the moisture content of drying to material resin is
0.05%；
Step B, batch mixing: by material resin PA66, PA610, PA1010, PA12 through drying and processing
Carrying out mixing process, the viscosity to material resin batch mixing is 50mPa s, adds described percetage by weight
Fire retardant, lubricant, waterproofing agent, antioxidant, stir, and obtains the mixing that viscosity is 25mPa s and melts
Melting material；
Step C, extrusion molding: mixed melting material is cooled to 40 DEG C and extrudes from screw extruder hopper,
Becoming continuum to be extruded onto outside machine by screw rod at screw extruder head mouth die after molding, extruder is from hopper to mouth die
Temperature be respectively set as: 40 DEG C/237 DEG C/237 DEG C/242 DEG C/242 DEG C/247 DEG C/253 DEG C/250 DEG C, screw rod
Rotating speed is 57r/min, cooled, sizing, draws, stretches, and obtains made nylon alloy plastic pipe.
Experimental example 1
The performance of the made nylon alloy plastic pipe of embodiment 1～7 is tested, test result such as table 1
Shown in.
Wherein water absorption is tested according to GB/T1034-2008.Longitudinal welds is tested according to GB6671.3, surveys
Examination temperature is (110 ± 2) DEG C.Tensile yield strength is tested according to GB/T1040.2-2006.Lubricity according to
The coefficient of friction of GB3960-83 test sample.Pressure cycling test is tested according to GB/T1899.2-2003.
Oxygen index (OI) is according to the fire resistance of GB/T2406.1-2008 test plastic pipe sample.It is poor that heat stability uses
Thermal analysis system, tests the accelerated ageing in the high-temperature oxygen of 210 DEG C of the plastic pipe sample, to aoxidize induction
Phase, (OIT) (min) was index.Brittle temperature is tested according to GB5470-2008.
The performance test results of table 1 nylon alloy plastic pipe
These are only the preferred embodiments of the present invention, be not limited to the present invention, for this area
For technical staff, the present invention can have various modifications and variations.All within the spirit and principles in the present invention,
Any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
1. a nylon alloy plastic pipe, it is characterised in that prepare described nylon alloy plastic pipe raw material and
Its percetage by weight is: PA66,30%～45%, PA610,15%～25%, PA1010,15%～25%,
PA12,15%～25%, fire retardant, 0.05%～2%, lubricant, 0.1%～1%, waterproofing agent, 0.5%～2%,
Antioxidant, 0.05%～1%.
Nylon alloy plastic pipe the most according to claim 1, it is characterised in that described fire retardant is trithio
Change two antimony, magnesium hydroxide, magnesium stearate, APP, polyborosiloxane any one or more.
Nylon alloy plastic pipe the most according to claim 1, it is characterised in that described lubricant be white carbon black,
Graphite, Kaolin, Pulvis Talci, Gypsum Fibrosum powder any one or more.
Nylon alloy plastic pipe the most according to claim 1, it is characterised in that described waterproofing agent is hydrogen-oxygen
Change aluminum, polysiloxanes, calcium chloride, montmorillonite, calcium stearate any one or more.
Nylon alloy plastic pipe the most according to claim 1, it is characterised in that described antioxidant is oxygen
Change zinc, titanium dioxide, diphenylamines, 2,6-di-t-butyl-1-methoxyl group Pyrogentisinic Acid, phosphite ester arbitrary
Plant or multiple.
6. a preparation technology for the nylon alloy plastic pipe as according to any one of Claims 1 to 5, its feature
It is, comprises the following steps:
Step A, gets the raw materials ready: according to percetage by weight, precise material resin PA66, PA610,
PA1010, PA12, then carry out drying and processing under the temperature conditions of 50 DEG C～55 DEG C；
Step B, batch mixing: by through the material resin PA66 of drying and processing, PA610, PA1010,
PA12 carries out mixing process, add the fire retardant of described percetage by weight, lubricant, waterproofing agent,
Antioxidant, stirs, and obtains mixed melting material；
Step C, extrusion molding: mixed melting material is cooled to 40 DEG C and extrudes from screw extruder hopper,
Continuum is become to be extruded onto outside machine by screw rod at screw extruder head mouth die after molding, cooled, sizing,
Traction, stretching, obtain made nylon alloy plastic pipe.
Preparation technology the most according to claim 6, it is characterised in that in step A, described drying and processing is:
Dry moisture content≤0.1% to material resin.
Preparation technology the most according to claim 6, it is characterised in that in step B, described mixing process is:
The mixing viscosity to material resin batch mixing is 40mPa s～60mPa s.
Preparation technology the most according to claim 6, it is characterised in that in step B, described mixed melting material
Viscosity be 20mPa s～30mPa s.
Preparation technology the most according to claim 6, it is characterised in that in step C, described extrusion molding
Technological parameter is: extruder temperature from hopper to mouth die is respectively set as:
40 DEG C/235 DEG C～240 DEG C/235 DEG C～240 DEG C/240 DEG C～245 DEG C/240 DEG C～245 DEG C/245 DEG C～250 DEG C/
250 DEG C～255 DEG C/248 DEG C～252 DEG C, screw speed is 55r/min～60r/min.
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