CN107033433A - Polyethylene anti-flaming tubular product and preparation method thereof - Google Patents
Polyethylene anti-flaming tubular product and preparation method thereof Download PDFInfo
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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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/16—Halogen-containing compounds
- C08K2003/166—Magnesium halide, e.g. magnesium chloride
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
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- 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
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Abstract
The invention discloses a kind of polyethylene anti-flaming tubular product and preparation method thereof, the polyethylene anti-flaming tubular product includes the polyvinyl resin of 80~120 parts by weight, the glass fibre of 20~40 parts by weight, the fire retardant of 10~30 parts by weight, the crosslinking agent of 5~10 parts by weight, the coupling agent of 1~2 parts by weight, the stabilizer of 0.8~1.5 parts by weight, the antioxidant of 0.5~1 parts by weight, the dispersant of 5~10 parts by weight.Polyethylene anti-flaming tubular product has excellent fire resistance in the present invention, and weather resistance is excellent, and ageing resistace is good, is difficult embrittlement, and impact property is good.The polyethylene anti-flaming tubular product of the present invention can be widely applied in the plastic products such as the pipeline of underground mine use water supply, air draft, pressure wind, whitewashing and firedamp drainage as pipes for mining.
Description
Technical field
The present invention relates to mining pipes field, more particularly to a kind of polyvinyl chloride anti-flaming tubular product and preparation method thereof.
Background technology
Pipes for mining is using modified ultra-high molecular weight polyethylene as raw material, by special extruder for shaping.Superelevation
Molecular weight polyethylene is linear structure polyethylene of the viscosity average molecular weigh more than 1,500,000, is referred to as " magical plastics ", it is almost
Concentrated the advantage of various plastics, with the unrivaled wear-resisting, impact resistance of other plastics, self-lubricating, it is corrosion-resistant, low temperature resistant,
The summation performance such as do not adhere to, it is compared with common mineral polyethylene piping materials, and properties are respectively provided with advantage, especially impact strength
It is more than 4 times of common polythene tubing.
But existing pipes for mining grade is relatively low, typically can only achieve MPE80 grades, property indices and use requirement
Gap is larger；And the fire retardant used in existing polyvinyl piping materials, using traditional bromine, antimony composite flame-retardant agent, this is helped
Agent can produce a little pernicious gas in plasticizing process, can influence workman's healthy, and fire resistance is difficult to improve.
The content of the invention
In view of this, it is an object of the invention to provide a kind of polyvinyl chloride anti-flaming tubular product, the fire resistance of the tubing is good.
A kind of polyethylene anti-flaming tubular product, includes the raw material of following parts by weight：
Preferably, the fire retardant includes aluminium hydroxide, sodium metasilicate, magnesium chloride, lauryl sodium sulfate, metering system
Sour diethylamino ethyl ester.
Preferably, the crosslinking agent is selected from 2,5- dimethyl -2,5- bis- (tert-butyl peroxy base) hexane, benzoyl peroxide diformazan
It is more than one or both of acyl, cumyl peroxide or cyamelide triallyl.
Preferably, the coupling agent is triethanolamine borate, four n-propyl zirconates, distearyl acyl-oxygen aluminum isopropoxide
Acid esters or aminopropyl triethoxysilane.
Preferably, the stabilizer be maleic acid tin octylate, Bis(lauroyloxy)dioctyltin, stearic acid Copoloid or gather oneself two
Sour glycol ester glycol.
Preferably, the antioxidant is hindered phenol quaternary ammonium salt modified montmorillonoid or dilauryl thiodipropionate.
Preferably, the dispersant is Tissuemat E, OPE, plasticized polyvinyl wax, poly alpha methylstyrene
Or white oil.
Present invention also offers a kind of preparation method of above-mentioned polyvinyl chloride anti-flaming tubular product and preparation method thereof, prepare
Tubing fire resistance it is good.
A kind of preparation method of polyvinyl chloride anti-flaming tubular product and preparation method thereof, comprises the following steps：
A) polyvinyl resin, glass fibre, fire retardant, stabilizer, antioxidant and dispersant are added in mixer,
At 50~70 DEG C, 10~20min is mixed, the first mixture is obtained；
B) crosslinking agent, coupling agent are added in the first mixture for obtaining step a), at 70~100 DEG C be crosslinked 3~
5h, obtains the second mixture；
C) parallel double-screw extruder extruding pelletization is used in the second mixture for obtaining step b), prilling temperature is 150
~200 DEG C, and obtained pellet is subjected to extrusion molding, then cool down, cut to obtain anti-flaming tubular product.
A kind of polyethylene anti-flaming tubular product that the present invention is provided and preparation method thereof, the polyethylene anti-flaming tubular product includes 80~
The polyvinyl resin of 120 parts by weight, the glass fibre of 20~40 parts by weight, the fire retardant of 10~30 parts by weight, 5~10
The crosslinking agent of parts by weight, the coupling agent of 1~2 parts by weight, the stabilizer of 0.8~1.5 parts by weight, 0.5~1 parts by weight
Antioxidant, the dispersant of 5~10 parts by weight.Polyethylene anti-flaming tubular product has excellent fire resistance in the present invention, and resistance to
Excellent performance is waited, ageing resistace is good, is difficult embrittlement, impact property is good.The present invention polyethylene anti-flaming tubular product as pipes for mining,
It can be widely applied in the plastic products such as the pipeline of underground mine use water supply, air draft, pressure wind, whitewashing and firedamp drainage.
Those skilled in the art can use for reference present disclosure, be suitably modified technological parameter realization.In particular,
The similar replacement and change are apparent to those skilled in the art, and they are considered as being included in this hair
It is bright.The method of the present invention and reference are described by preferred embodiment, and related personnel can substantially not depart from this hair
Method described herein and application are modified in bright content, spirit and scope or suitably change is with combining, to realize and answer
Use the technology of the present invention.
Embodiment
A kind of polyethylene anti-flaming tubular product that the present invention is provided, includes the raw material of following parts by weight：
In above-mentioned technical proposal, polyethylene anti-flaming tubular product has excellent fire resistance, and weather resistance is excellent, anti-aging
Performance is good, is difficult embrittlement, and impact property is good.The polyethylene anti-flaming tubular product of the present invention can be widely applied for colliery as pipes for mining
In the plastic products such as underground water supply, air draft, pressure wind, the pipeline of whitewashing and firedamp drainage.
In the present invention, the parts by weight of polyvinyl resin are 80~120 parts；In an embodiment of the present invention, polyethylene
90~110 parts of the parts by weight of resin；In other embodiments, the parts by weight of polyvinyl resin are 95~105 parts.
Toughness and impact strength of the glass fibre to improve the anti-fulgurite material of polyvinyl chloride.In the present invention, glass fibre
Parts by weight be 20~40 parts；In an embodiment of the present invention, the parts by weight of glass fibre are 25~35 parts；In other realities
Apply in example, the parts by weight of glass fibre are 28~32 parts.
In an embodiment of the present invention, fire retardant include aluminium hydroxide, sodium metasilicate, magnesium chloride, lauryl sodium sulfate,
Diethyl aminoethyl methacrylate；Above-mentioned fire retardant has good compatibility with polyvinyl resin, is improving polyethylene
While anti-flaming tubular product flame retardant effect, the performances such as mechanical property, the weatherability of polyvinyl resin are not reduced.In other embodiment
In, aluminium hydroxide, sodium metasilicate, magnesium chloride, lauryl sodium sulfate, the mass ratio of diethyl aminoethyl methacrylate are
(0.5~1)：(1~2)：(0.2~0.5)：(1~3)：(5~10).
In the present invention, the parts by weight of fire retardant are 10~30 parts；In an embodiment of the present invention, the weight of fire retardant
Number is 15~25 parts；In other embodiments, the parts by weight of fire retardant are 18~22 parts.
In an embodiment of the present invention, crosslinking agent is selected from 2,5- dimethyl -2,5- bis- (tert-butyl peroxy base) hexane, peroxidating
It is more than one or both of phenyl-diformyl, cumyl peroxide or cyamelide triallyl；Above-mentioned crosslinking agent can
So that polyvinyl resin formation tridimensional network, so as to improve the ageing-resistant performance of polyethylene anti-flaming tubular product, creep resisting ability
And heat resistance.
In the present invention, the parts by weight of crosslinking agent are 5~10 parts；In an embodiment of the present invention, the weight of crosslinking agent
Number is 6~9 parts；In other embodiments, the parts by weight of crosslinking agent are 7~8 parts.
In the present invention, coupling agent is triethanolamine borate, four n-propyl zirconates, distearyl acyl-oxygen aluminum isopropoxide
Acid esters or aminopropyl triethoxysilane；Above-mentioned coupling agent can improve the interface interaction of polyvinyl resin and other raw materials, from
And cause polyethylene anti-flaming tubular product mechanical property, heat resistance increase.
In the present invention, the parts by weight of coupling agent are 1~2 part；In an embodiment of the present invention, the parts by weight of coupling agent
Number is 1.3~1.7 parts；In other embodiments, the parts by weight of coupling agent are 1.4~1.6 parts.
In the present invention, stabilizer be maleic acid tin octylate, Bis(lauroyloxy)dioctyltin, stearic acid Copoloid or gather oneself two
Sour glycol ester glycol；Aforementioned stable agent can increase the chemical stability and heat endurance of polyethylene anti-flaming tubular product.
In the present invention, the parts by weight of stabilizer are 0.8~1.5 part；In an embodiment of the present invention, the weight of stabilizer
It is 1~1.3 part to measure number；In other embodiments, the parts by weight of stabilizer are 1.1~1.2 parts.
In the present invention, antioxidant is hindered phenol quaternary ammonium salt modified montmorillonoid or dilauryl thiodipropionate；It is above-mentioned anti-
Oxygen agent can resist polyethylene anti-flaming tubular product deterioration by oxidation, so as to extend the service life of polyethylene anti-flaming tubular product.
In the present invention, the parts by weight of antioxidant are 0.5~1 part；In an embodiment of the present invention, the weight of antioxidant
Number is 0.6~0.9 part；In other embodiments, the parts by weight of antioxidant are 0.7~0.8 part.
In the present invention, dispersant is Tissuemat E, OPE, plasticized polyvinyl wax, poly alpha methylstyrene
Or white oil；Above-mentioned dispersant can improve the uniformity of each raw material.
In the present invention, the parts by weight of dispersant are 5~10 parts；In an embodiment of the present invention, the weight of dispersant
Number is 6~9 parts；In other embodiments, the parts by weight of dispersant are 7~8 parts.
Present invention also offers a kind of preparation method of polyvinyl chloride anti-flaming tubular product and preparation method thereof, including following step
Suddenly：
A) polyvinyl resin, stabilizer, fire retardant, antioxidant and dispersant are added in mixer, at 50~70 DEG C
Under, 10~20min is mixed, the first mixture is obtained；
B) crosslinking agent, coupling agent are added in the first mixture for obtaining step a), at 70~100 DEG C be crosslinked 3~
5h, obtains the second mixture；
C) parallel double-screw extruder extruding pelletization is used in the second mixture for obtaining step b), prilling temperature is 150
~200 DEG C, and obtained pellet is subjected to extrusion molding, then cool down, cut to obtain anti-flaming tubular product.
Wherein, polyvinyl resin, glass fibre, fire retardant, crosslinking agent, coupling agent, stabilizer, antioxidant, dispersant are same
It is upper described, it will not be repeated here.
In above-mentioned technical proposal, preparation method is simple, with short production cycle, and production efficiency is high, the polyethylene resistance prepared
Combustion tubing has excellent fire resistance and weather resistance is excellent, and ageing resistace is good, is difficult embrittlement, and mechanical property is good.This hair
Bright polyethylene anti-flaming tubular product can be widely applied for underground mine use water supply, air draft, pressure wind, whitewashing and discharge as pipes for mining
In the plastic products such as the pipeline of gas.
In an embodiment of the present invention, during extrusion molding, feeding section temperature is 120~140 DEG C, the temperature of fluxing zone
For 140~160 DEG C, the temperature of homogenizing zone is 160~180 DEG C, the temperature of mouth mold for 150~
160℃。
In order to further illustrate the present invention, the polyethylene anti-flaming tubular product and its system provided with reference to embodiment the present invention
Preparation Method is described in detail.
Embodiment 1
It is 0.97 by polyvinyl resin, the glass fibre that parts by weight are 28 parts, parts by weight that parts by weight are 80 parts
The aluminium hydroxide of part, the sodium metasilicate that parts by weight are 1.95 parts, the magnesium chloride that parts by weight are 0.39 part, parts by weight are 1.95
The lauryl sodium sulfate, the diethyl aminoethyl methacrylate that parts by weight are 9.74 parts, parts by weight of part are 1.1 parts
Stearic acid Copoloid, the dilauryl thiodipropionate that parts by weight are 0.5 part and Tissuemat E that parts by weight are 7 parts add
Into mixer, at 50 DEG C, 20min is mixed, the first mixture is obtained；
By added in the first mixture parts by weight be 6 parts 2,5- dimethyl -2,5- bis- (tert-butyl peroxy base) hexane,
Parts by weight are 1.4 parts of aminopropyl triethoxysilane, are crosslinked 3h at 70 DEG C, obtain the second mixture；
Parallel double-screw extruder extruding pelletization will be used in second mixture, prilling temperature is at 150 DEG C, and by obtained grain
Material is 120 DEG C in feeding section temperature, and the temperature of fluxing zone is 140 DEG C, and the temperature of homogenizing zone is 160 DEG C, and the temperature of mouth mold is 150
DEG C extrusion molding is carried out, then cool down, cut to obtain polyvinyl chloride anti-flaming tubular product.
Embodiment 2
It is 1.57 by polyvinyl resin, the glass fibre that parts by weight are 32 parts, parts by weight that parts by weight are 90 parts
The aluminium hydroxide of part, the sodium metasilicate that parts by weight are 3.14 parts, the magnesium chloride that parts by weight are 0.65 part, parts by weight are 3.93
The lauryl sodium sulfate, the diethyl aminoethyl methacrylate that parts by weight are 15.71 parts, parts by weight of part are 1 part
Polyethylene glycol adipate glycol, the hindered phenol quaternary ammonium salt modified montmorillonoid that parts by weight are 0.6 part and parts by weight be 5 parts
OPE be added in mixer, at 55 DEG C, mix 10min, obtain the first mixture；
The peroxidating phenyl-diformyl, the ammonia that parts by weight are 1.6 parts that parts by weight are 5 parts will be added in first mixture
Propyl-triethoxysilicane, 4.5h is crosslinked at 80 DEG C, obtains the second mixture；
Parallel double-screw extruder extruding pelletization will be used in second mixture, prilling temperature is at 160 DEG C, and by obtained grain
Material is 125 DEG C in feeding section temperature, and the temperature of fluxing zone is 145 DEG C, and the temperature of homogenizing zone is 165 DEG C, and the temperature of mouth mold is 153
DEG C extrusion molding is carried out, then cool down, cut to obtain polyvinyl chloride anti-flaming tubular product.
Embodiment 3
It is 0.61 by polyvinyl resin, the glass fibre that parts by weight are 25 parts, parts by weight that parts by weight are 95 parts
The aluminium hydroxide of part, the sodium metasilicate that parts by weight are 1.22 parts, the magnesium chloride that parts by weight are 0.31 part, parts by weight are 1.75
The lauryl sodium sulfate, the diethyl aminoethyl methacrylate that parts by weight are 6.11 parts, parts by weight of part are 1.3 parts
Stearic acid Copoloid, the dilauryl thiodipropionate that parts by weight are 1 part and plasticized polyvinyl wax that parts by weight are 10 parts
It is added in mixer, at 60 DEG C, mixes 14min, obtain the first mixture；
The cumyl peroxide that parts by weight are 3 parts, the trimerization that parts by weight are 4 parts will be added in first mixture
Isocyanic acid triallyl, parts by weight are 1 part of distearyl acyl-oxygen aluminum isopropoxide acid esters, are crosslinked 3.5h at 90 DEG C, obtain
Second mixture；
Parallel double-screw extruder extruding pelletization will be used in second mixture, prilling temperature is at 170 DEG C, and by obtained grain
Material is 130 DEG C in feeding section temperature, and the temperature of fluxing zone is 150 DEG C, and the temperature of homogenizing zone is 170 DEG C, and the temperature of mouth mold is 157
DEG C extrusion molding is carried out, then cool down, cut to obtain polyvinyl chloride anti-flaming tubular product.
Embodiment 4
It is 1.80 by polyvinyl resin, the glass fibre that parts by weight are 35 parts, parts by weight that parts by weight are 105 parts
The aluminium hydroxide of part, the sodium metasilicate that parts by weight are 3.60 parts, the magnesium chloride that parts by weight are 1.01 parts, parts by weight are 5.62
The lauryl sodium sulfate, the diethyl aminoethyl methacrylate that parts by weight are 17.98 parts, parts by weight of part are 0.8
The Bis(lauroyloxy)dioctyltin, the hindered phenol quaternary ammonium salt modified montmorillonoid that parts by weight are 0.7 part and parts by weight of part are 6 parts
Poly alpha methylstyrene be added in mixer, at 65 DEG C, mix 12min, obtain the first mixture；
The peroxidating phenyl-diformyl, the peroxide that parts by weight are 4 parts that parts by weight are 4 parts will be added in first mixture
Change the four n-propyl zirconates that diisopropylbenzene (DIPB), parts by weight are 2 parts, be crosslinked 5h at 100 DEG C, obtain the second mixture；
Parallel double-screw extruder extruding pelletization will be used in second mixture, prilling temperature is at 180 DEG C, and by obtained grain
Material is 135 DEG C in feeding section temperature, and the temperature of fluxing zone is 155 DEG C, and the temperature of homogenizing zone is 175 DEG C, and the temperature of mouth mold is 160
DEG C extrusion molding is carried out, then cool down, cut to obtain polyvinyl chloride anti-flaming tubular product.
Embodiment 5
It is 1.07 by polyvinyl resin, the glass fibre that parts by weight are 20 parts, parts by weight that parts by weight are 110 parts
The aluminium hydroxide of part, the sodium metasilicate that parts by weight are 2.13 parts, the magnesium chloride that parts by weight are 0.59 part, parts by weight are 3.55
The lauryl sodium sulfate, the diethyl aminoethyl methacrylate that parts by weight are 10.66 parts, parts by weight of part are 1.5
The Bis(lauroyloxy)dioctyltin, the hindered phenol quaternary ammonium salt modified montmorillonoid that parts by weight are 0.8 part and parts by weight of part are 8 parts
White oil be added in mixer, at 70 DEG C, mix 18min, obtain the first mixture；
2,5- dimethyl -2 that parts by weight are 5 parts will be added in first mixture, parts by weight are 5 parts of 5- bis-
(tert-butyl peroxy base) hexane, peroxidating phenyl-diformyl, parts by weight are 1.3 parts of triethanolamine borate, are crosslinked at 75 DEG C
3h, obtains the second mixture；
Parallel double-screw extruder extruding pelletization will be used in second mixture, prilling temperature is at 190 DEG C, and by obtained grain
Material is 140 DEG C in feeding section temperature, and the temperature of fluxing zone is 160 DEG C, and the temperature of homogenizing zone is 185 DEG C, and the temperature of mouth mold is 155
DEG C extrusion molding is carried out, then cool down, cut to obtain polyvinyl chloride anti-flaming tubular product.
Embodiment 6
It is 1.4 by polyvinyl resin, the glass fibre that parts by weight are 40 parts, parts by weight that parts by weight are 120 parts
The aluminium hydroxide of part, the sodium metasilicate that parts by weight are 2.8 parts, the magnesium chloride that parts by weight are 0.42 part, parts by weight are 3.36
The lauryl sodium sulfate, the diethyl aminoethyl methacrylate that parts by weight are 14.01 parts, parts by weight of part are 1.2
Part maleic acid tin octylate, the dilauryl thiodipropionate that parts by weight are 0.9 part and the poly- second of oxidation that parts by weight are 9 parts
Alkene wax is added in mixer, at 60 DEG C, is mixed 15min, is obtained the first mixture；
5- bis- (tert-butyl peroxy base) hexane, parts by weight that parts by weight are 4.5 parts will be added in first mixture is
4.5 parts of peroxidating phenyl-diformyl, the four n-propyl zirconates that parts by weight are 1.7 parts, are crosslinked 4h at 95 DEG C, obtain second
Mixture；
Parallel double-screw extruder extruding pelletization will be used in second mixture, prilling temperature is at 200 DEG C, and by obtained grain
Material is 125 DEG C in feeding section temperature, and the temperature of fluxing zone is 150 DEG C, and the temperature of homogenizing zone is 170 DEG C, and the temperature of mouth mold is 154
DEG C extrusion molding is carried out, then cool down, cut to obtain polyvinyl chloride anti-flaming tubular product.
Embodiment 7
It is 1.23 by polyvinyl resin, the glass fibre that parts by weight are 30 parts, parts by weight that parts by weight are 100 parts
The aluminium hydroxide of part, the sodium metasilicate that parts by weight are 2.47 parts, the magnesium chloride that parts by weight are 0.66 part, parts by weight are 3.29
The lauryl sodium sulfate, the diethyl aminoethyl methacrylate that parts by weight are 12.35 parts, parts by weight of part are 1.15
Part maleic acid tin octylate, the dilauryl thiodipropionate that parts by weight are 0.75 part and poly- second that parts by weight are 7.5 parts
Alkene wax is added in mixer, at 60 DEG C, is mixed 15min, is obtained the first mixture；
The cumyl peroxide that parts by weight are 3.5 parts, parts by weight are 4 parts three will be added in first mixture
Polyisocyanate triallyl, parts by weight are 1.5 parts of triethanolamine borate, are crosslinked 4h at 85 DEG C, obtain the second mixing
Thing；
Parallel double-screw extruder extruding pelletization will be used in second mixture, prilling temperature is at 175 DEG C, and by obtained grain
Material is 130 DEG C in feeding section temperature, and the temperature of fluxing zone is 150 DEG C, and the temperature of homogenizing zone is 170 DEG C, and the temperature of mouth mold is 156
DEG C extrusion molding is carried out, then cool down, cut to obtain polyvinyl chloride anti-flaming tubular product.
Tensile strength, elongation at break, ageing-resistant holding are carried out to polyvinyl chloride anti-flaming tubular product made from embodiment 1~7
Rate, specific insulation, the test of oxygen index (OI), the results are shown in Table 1.Victory goes out
The test result of polyvinyl chloride anti-flaming tubular product made from the embodiment 1~7 of table 1
As can be seen from Table 1, the ageing-resistant rate height of tubing obtained using technical scheme, fire resistance is good, and
Mechanical property meets product demand, disclosure satisfy that the performance requirement of pipes for mining.In addition, tubing made from embodiment 1~7 is existed
210 DEG C, 15min, heat endurance is good, and tubing is indeformable.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or public to institute using this
The described above for the embodiment opened, enables professional and technical personnel in the field to realize or using the present invention.To these embodiments
A variety of modifications will be apparent for those skilled in the art, and generic principles defined herein can be
In the case of not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention is not intended to be limited to
The embodiments shown herein, and it is to fit to the most wide model consistent with novel features with principles disclosed herein
Enclose.
Claims (8)
1. a kind of polyethylene anti-flaming tubular product, it is characterised in that include the raw material of following parts by weight：
2. polyethylene anti-flaming tubular product as claimed in claim 1, it is characterised in that the fire retardant includes aluminium hydroxide, silicon
Sour sodium, magnesium chloride, lauryl sodium sulfate, diethyl aminoethyl methacrylate.
3. polyethylene anti-flaming tubular product as claimed in claim 1, it is characterised in that the crosslinking agent is selected from 2,5- dimethyl -2,
One in 5- bis- (tert-butyl peroxy base) hexane, peroxidating phenyl-diformyl, cumyl peroxide or cyamelide triallyl
Plant or two or more.
4. polyethylene anti-flaming tubular product as claimed in claim 1, it is characterised in that the coupling agent be triethanolamine borate,
Four n-propyl zirconates, distearyl acyl-oxygen aluminum isopropoxide acid esters or aminopropyl triethoxysilane.
5. polyethylene anti-flaming tubular product as claimed in claim 1, it is characterised in that the stabilizer is maleic acid tin octylate, two
Laurate dioctyltin, stearic acid Copoloid or polyethylene glycol adipate glycol.
6. polyethylene anti-flaming tubular product as claimed in claim 1, it is characterised in that the antioxidant is that hindered phenol is quaternary ammonium salt-modified
Montmorillonite or dilauryl thiodipropionate.
7. polyethylene anti-flaming tubular product as claimed in claim 1, it is characterised in that the dispersant is Tissuemat E, aoxidizes and gather
Ethylene waxes, plasticized polyvinyl wax, poly alpha methylstyrene or white oil.
8. a kind of preparation method of polyethylene anti-flaming tubular product as claimed in claim 1, it is characterised in that comprise the following steps：
A) polyvinyl resin, glass fibre, fire retardant, stabilizer, antioxidant and dispersant are added in mixer, 50~
At 70 DEG C, 10~20min is mixed, the first mixture is obtained；
B) crosslinking agent, coupling agent are added in the first mixture for obtaining step a), 3~5h is crosslinked at 70~100 DEG C, is obtained
To the second mixture；
C) parallel double-screw extruder extruding pelletization is used in the second mixture for obtaining step b), prilling temperature is 150~200
DEG C, and obtained pellet is subjected to extrusion molding, then cool down, cut to obtain polyethylene anti-flaming tubular product.
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| CN201710312426.4A CN107033433A (en) | 2017-05-05 | 2017-05-05 | Polyethylene anti-flaming tubular product and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710312426.4A CN107033433A (en) | 2017-05-05 | 2017-05-05 | Polyethylene anti-flaming tubular product and preparation method thereof |
Publications (1)
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| CN107033433A true CN107033433A (en) | 2017-08-11 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113563658A (en) * | 2021-08-03 | 2021-10-29 | 安徽杰蓝特新材料有限公司 | Flame-retardant high-temperature-resistant alloy winding pipe and preparation method thereof |
| CN114230895A (en) * | 2021-12-28 | 2022-03-25 | 江苏东方电缆材料有限公司 | Thermoplastic halogen-free low-smoke oxygen-barrier layer flame retardant |
| CN114933750A (en) * | 2022-03-02 | 2022-08-23 | 上海上塑控股（集团）有限公司 | HDPE flame-retardant pipe for building drainage |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104844879A (en) * | 2014-10-22 | 2015-08-19 | 青岛万力科技有限公司 | Halogen-free and flame-retardant polyethylene powder and preparation method thereof |
-
2017
- 2017-05-05 CN CN201710312426.4A patent/CN107033433A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104844879A (en) * | 2014-10-22 | 2015-08-19 | 青岛万力科技有限公司 | Halogen-free and flame-retardant polyethylene powder and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113563658A (en) * | 2021-08-03 | 2021-10-29 | 安徽杰蓝特新材料有限公司 | Flame-retardant high-temperature-resistant alloy winding pipe and preparation method thereof |
| CN114230895A (en) * | 2021-12-28 | 2022-03-25 | 江苏东方电缆材料有限公司 | Thermoplastic halogen-free low-smoke oxygen-barrier layer flame retardant |
| CN114933750A (en) * | 2022-03-02 | 2022-08-23 | 上海上塑控股（集团）有限公司 | HDPE flame-retardant pipe for building drainage |
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Application publication date: 20170811 |