CN106810742A - A kind of modified glue powder/regenerated polythene insulating tube composite and preparation method thereof - Google Patents
A kind of modified glue powder/regenerated polythene insulating tube composite and preparation method thereof Download PDFInfo
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- CN106810742A CN106810742A CN201611197216.7A CN201611197216A CN106810742A CN 106810742 A CN106810742 A CN 106810742A CN 201611197216 A CN201611197216 A CN 201611197216A CN 106810742 A CN106810742 A CN 106810742A
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- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/28—Treatment by wave energy or particle radiation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/16—Ethene-propene or ethene-propene-diene copolymers
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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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
- 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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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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- C08L2207/066—LDPE (radical process)
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- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/20—Recycled plastic
Abstract
The invention discloses a kind of modified glue powder/regenerated polythene insulating tube composite and preparation method thereof.Described insulating tube composite preparation process is as follows：The raw materials such as regenerated polythene matrix resin, rubber powder, regeneration toughener, surface-modified inorganic nano-powder are well mixed, double screw extruder melt blending extruding pelletization is subsequently adding, the strong insulating tube composite of intensity high, good toughness, corrosion-resistant, anti-uv-ray is prepared.The present invention not only reduces cost of material, but also can reduce environmental pollution using regenerated polythene, rubber powder and regeneration toughener.The addition of inorganic nanometer powder can improve the anti-uv-ray and decay resistance of insulating tube composite, and compared to organic UV resistant agent, persistence is not well migrated.Rubber powder is collectively incorporated into inorganic nanometer powder, while serving the effect of activeness and quietness, improves elongation at break, impact resistance and the tensile strength of product.
Description
Technical field
Field is utilized the invention belongs to regenerated plastics, and in particular to a kind of modified glue powder/regenerated polythene insulating tube is combined
Material and preparation method thereof.
Background technology
Polytene heat-insulation pipe is widely used in the pipe such as oil, chemical industry, space flight, military affairs, central heating, central air-conditioning, municipal administration
It is quite varied especially as direct burial display pipe application in the adiabatic heat-insulation engineering in road.The present invention is by introducing rubber powder and nothing
Machine nano-powder, reaches the effect to the double toughness reinforcings of regenerated polythene insulating tube, while the addition of inorganic nanometer powder is not only improved
The tensile strength of polytene heat-insulation pipe, while also improving anti-purple of the polytene heat-insulation pipe before buried in air
Outside line ability and it is buried after decay resistance.Simultaneously from regenerated polythene, rubber powder and regeneration toughener, turn waste into wealth,
Both reduces cost, there is significant social benefit again.
The content of the invention
The purpose of the present invention is that the stretching of regenerated polythene insulating tube composite is improved by adding inorganic nanometer powder
Intensity, decay resistance and anti-ultraviolet property, while the composite toughening effect of inorganic nanometer powder and rubber powder improves regeneration and gathers
The toughness of ethene insulating tube composite.
Concrete technology step is as follows：
（1）Surface to inorganic nanometer powder is modified；
（2）It is modified the preparation of rubber powder/regenerated polythene insulating tube composite wood.
The surface of inorganic nanometer powder is modified
A certain amount of titanate coupling agent is added in absolute ethyl alcohol, is stirred at room temperature 20 ~ 40 minutes, carry out alcoholysis preparation
Solution A, solution A is added in high-speed mixer together with inorganic nanometer powder, is stirred at 80 DEG C 10 ~ 20 minutes, then will
Inorganic nanometer powder is dried so that powder water content is standby less than 0.3%.
Described inorganic nanometer powder is the titanium dioxide of 30 ~ 40nm of particle diameter or the zinc oxide of 10 ~ 80nm.
Described titanate coupling agent is PN-130, PN-201 or PN-401 of Nanjing Pin Ning coupling agents Co., Ltd production
In one kind.
The preparation of modified glue powder/regenerated polythene insulating tube composite
Described insulating tube composite is made up of the raw material of following weight parts：80 ~ 100 parts of regenerated polythene matrix resin, glue
10 ~ 20 parts of powder, regenerates 5 ~ 10 parts of toughener, 1 ~ 10 part of compatilizer, 0.1 ~ 1 part of crosslinking agent, 0.1 ~ 0.5 part of assistant crosslinking agent agent, profit
0.5 ~ 1 part of lubrication prescription, 4 ~ 6 parts of black masterbatch, 3 ~ 5 parts of modified inorganic nano-powder.
Described regenerated polythene matrix resin composition is 10 ~ 50 parts of regenerative high-density polyethylene resin, regenerates low-density
30 ~ 70 parts of polyvinyl resin, regenerates 0 ~ 30 part of linear low density polyethylene resin.
Described rubber powder be ethylene propylene diene rubber, natural rubber, butadiene-styrene rubber, butyl rubber, cis-butadiene cement in one kind or
Two kinds, through microwave irradiation activation process, particle diameter is 80 mesh to rubber powder.
Described regeneration toughener is ethylene-octene copolymer（POE）Regeneration particle, ethylene-vinyl acetate copolymer
（EVA）One kind in regeneration particle.
Described compatilizer is Research of Grafting Malaic Anhydride Onto Polyethylene（PE-g-MAH）, grafting maleic anhydride with ethylene propylene terpolymer
（EPDM-g-MAH）, polyethylene to graft glycidyl methacrylate（PE-g-GMA）, POE grafting Malaysia
Acid anhydrides（POE-g-MAH）In one kind.
Described crosslinking agent is cumyl peroxide（DCP）, diethylenetriamines（DTA）In one or two mixed
Compound.
Described assistant crosslinking agent is the propylene ester of isocyanuric acid three（TGIC）, triallyl isonitrile urea acid esters（TAIC）, three hydroxyls
Trimethacrylate（TMPTMA）In one or two mixture.
Described lubricant is the one kind in PE waxes, stearic acid, calcium stearate, oleamide, butyl stearate.
Described black masterbatch is base polyethylene, wherein content of carbon black 40 ~ 50%.
Its preparation technology is as follows：
（1）According to the proportioning in formula by regenerated polythene matrix resin, rubber powder, regeneration toughener, compatilizer, crosslinking agent, help
The modified inorganic nanometer powder in crosslinking agent, lubricant, black masterbatch, surface is put into batch mixer, is mixed with the rotating speed of 300r/min
15~20min；
（2）The material that will be mixed adds double screw extruder blending granulation, you can obtain finished product, the engine speed of extruder is
20 ~ 40Hz, feeding rotating speed is 25 ~ 35Hz, and the temperature in each area of double screw extruder is 180 DEG C of an area, two 185 DEG C of areas, three areas 190
DEG C, four 195 DEG C of areas, five 200 DEG C of areas, six 200 DEG C of areas, seven 195 DEG C of areas, eight 190 DEG C of areas, nine 185 DEG C of areas, 185 DEG C of head.
Compared with prior art, the present invention has the following advantages：
（1）Raw material selection regenerated polythene, rubber powder and regeneration toughener, both energy saving, and reduces cost.Simultaneously rubber powder and
The modified inorganic nanometer powder in surface as dispersed phase distribution in the base polyethylene of continuous phase, the rubber powder of dispersed phase and inorganic
Nano-powder plays a part of " passivation " to crackle end points, and makes stress distribution around powder, absorbs substantial amounts of impact energy, suppression
The development of crackle processed, reaches the effect of rubber powder and the common toughness reinforcing regenerated polythene of inorganic nanometer powder；
（2）The activated rubber powder that the rubber powder that the present invention is selected is treated for microwave irradiation, the compatibility between polyethylene is preferable；
（3）Preparation process is simple of the present invention, low production cost has broad application prospects；
（4）The inorganic nanometer powder surface of present invention addition is modified through titanate coupling agent, improves it with matrix
Compatibility and adhesion, improve the tensile strength of polytene heat-insulation pipe composite.The addition of inorganic nanometer powder simultaneously, also
The anti-uv-ray of polytene heat-insulation pipe Storage period can be improved.
Specific embodiment
Embodiment 1
The surface of inorganic nanometer powder is modified
A certain amount of titanate coupling agent PN-201 is added in absolute ethyl alcohol, is stirred at room temperature 20 ~ 40 minutes, carry out alcohol
Solution prepares solution A, and solution A is added in high-speed mixer together with inorganic nanometer powder, is stirred 10 ~ 20 minutes at 80 DEG C,
Then inorganic nanometer powder is dried so that powder water content is less than 0.3%, obtains the modified inorganic nanometer powder in surface.
The preparation of modified glue powder/regenerated polythene insulating tube composite
Raw material is weighed according to following weight proportion（Unit：Kilogram）：80 parts of regenerated polythene matrix resin, 20 parts of rubber powder, regeneration
10 parts of toughener, 8 parts of compatilizer, 1 part of crosslinking agent, 0.5 part of assistant crosslinking agent agent, 0.5 part of lubricant, 5 parts of black masterbatch, surface changes
3 parts of inorganic nanometer powder of property.
Described regenerated polythene matrix resin composition is 30 parts of regenerative high-density polyethylene particle, regenerates low density polyethylene
60 parts of alkene particle, 10 parts of regeneration LLDPE particle.
Described rubber powder is ethylene propylene diene rubber, and through microwave irradiation activation process, particle diameter is 80 mesh to rubber powder.
Described regeneration toughener is that POE regenerates particle.
Described compatilizer is PE-g-MAH, and grafting rate is 1 ~ 1.5%.
Described crosslinking agent is DCP.
Described assistant crosslinking agent is TAIC.
Described lubricant is PE waxes.
Described black masterbatch is base polyethylene, wherein content of carbon black 40 ~ 50%.
Described surface-modified inorganic nano-powder is the zinc oxide of 10 ~ 80nm of particle diameter.
Its preparation technology is as follows：
（1）According to the proportioning in formula by regenerated polythene matrix resin, rubber powder, regeneration toughener, compatilizer, crosslinking agent, help
The modified nanometer Zinc oxide powder in crosslinking agent, lubricant, black masterbatch, defoamer, surface is put into batch mixer, with 300r/min's
Rotating speed mixes 15 ~ 20min；
（2）The material that will be mixed adds double screw extruder blending granulation, you can obtain finished product, the engine speed of extruder is
20 ~ 40Hz, feeding rotating speed is 25 ~ 35Hz, and the temperature in each area of double screw extruder is 180 DEG C of an area, two 185 DEG C of areas, three areas 190
DEG C, four 195 DEG C of areas, five 200 DEG C of areas, six 200 DEG C of areas, seven 195 DEG C of areas, eight 190 DEG C of areas, nine 185 DEG C of areas, 185 DEG C of head.
Embodiment 2
The surface of inorganic nanometer powder is modified
A certain amount of titanate coupling agent PN-201 is added in absolute ethyl alcohol, is stirred at room temperature 20 ~ 40 minutes, carry out alcohol
Solution prepares solution A, and solution A is added in high-speed mixer together with inorganic nanometer powder, is stirred 10 ~ 20 minutes at 80 DEG C,
Then inorganic nanometer powder is dried so that powder water content is less than 0.3%, obtains the modified inorganic nanometer powder in surface.
The preparation of modified glue powder/regenerated polythene insulating tube composite
Raw material is weighed according to following weight proportion（Unit：Kilogram）：85 parts of regenerated polythene matrix resin, 15 parts of rubber powder, regeneration
10 parts of toughener, 8 parts of compatilizer, 1 part of crosslinking agent, 0.5 part of assistant crosslinking agent agent, 0.5 part of lubricant, 5 parts of black masterbatch, be modified nothing
3 parts of machine nano-powder.
Described regenerated polythene matrix resin composition is 30 parts of regenerative high-density polyethylene particle, regenerates low density polyethylene
60 parts of alkene particle, 10 parts of regeneration LLDPE particle.
Described rubber powder is ethylene propylene diene rubber, and through microwave irradiation activation process, particle diameter is 80 mesh to rubber powder.
Described regeneration toughener is that POE regenerates particle.
Described compatilizer is PE-g-MAH, and grafting rate is 1 ~ 1.5%.
Described crosslinking agent is DCP.
Described assistant crosslinking agent is TAIC.
Described lubricant is PE waxes.
Described black masterbatch is base polyethylene, wherein content of carbon black 40 ~ 50%.
Described surface-modified inorganic nano-powder is the zinc oxide of 10 ~ 80nm of particle diameter.
Its preparation technology is as follows：
（1）According to the proportioning in formula by regenerated polythene matrix resin, rubber powder, regeneration toughener, compatilizer, crosslinking agent, help
The modified nanometer Zinc oxide powder in crosslinking agent, lubricant, black masterbatch, defoamer, surface is put into batch mixer, with 300r/min's
Rotating speed mixes 15 ~ 20min；
（2）The material that will be mixed adds double screw extruder blending granulation, you can obtain finished product, the engine speed of extruder is
20 ~ 40Hz, feeding rotating speed is 25 ~ 35Hz, and the temperature in each area of double screw extruder is 180 DEG C of an area, two 185 DEG C of areas, three areas 190
DEG C, four 195 DEG C of areas, five 200 DEG C of areas, six 200 DEG C of areas, seven 195 DEG C of areas, eight 190 DEG C of areas, nine 185 DEG C of areas, 185 DEG C of head.
Embodiment 3
The surface of inorganic nanometer powder is modified
A certain amount of titanate coupling agent PN-130 is added in absolute ethyl alcohol, is stirred at room temperature 20 ~ 40 minutes, carry out alcohol
Solution prepares solution A, and solution A is added in high-speed mixer together with inorganic nanometer powder, is stirred 10 ~ 20 minutes at 80 DEG C,
Then inorganic nanometer powder is dried so that powder water content is less than 0.3%, obtains the modified inorganic nanometer powder in surface.
The preparation of modified glue powder/regenerated polythene insulating tube composite
Raw material is weighed according to following weight proportion（Unit：Kilogram）：90 parts of regenerated polythene matrix resin, 13 parts of rubber powder, regeneration
10 parts of toughener, 8 parts of compatilizer, 1 part of crosslinking agent, 0.5 part of assistant crosslinking agent agent, 0.5 part of lubricant, 5 parts of black masterbatch, be modified nothing
5 parts of machine nano-powder.
Described regenerated polythene matrix resin composition is 30 parts of regenerative high-density polyethylene particle, regenerates low density polyethylene
60 parts of alkene particle, 10 parts of regeneration LLDPE particle.
Described rubber powder is ethylene propylene diene rubber, and through microwave irradiation activation process, particle diameter is 80 mesh to rubber powder.
Described regeneration toughener is that POE regenerates particle.
Described compatilizer is PE-g-MAH, and grafting rate is 1 ~ 1.5%.
Described crosslinking agent is DCP.
Described assistant crosslinking agent is TAIC.
Described lubricant is calcium stearate.
Described black masterbatch is base polyethylene, wherein content of carbon black 40 ~ 50%.
Described surface-modified inorganic nano-powder is the rutile type nano titanic oxide of 30 ~ 40nm of particle diameter.
Its preparation technology is as follows：
（1）According to the proportioning in formula by regenerated polythene matrix resin, rubber powder, regeneration toughener, compatilizer, crosslinking agent, help
The modified rutile-type nano titania powder in crosslinking agent, lubricant, black masterbatch, defoamer, surface is put into batch mixer, with
The rotating speed of 300r/min mixes 15 ~ 20min；
（2）The material that will be mixed adds double screw extruder blending granulation, you can obtain finished product, the engine speed of extruder is
20 ~ 40Hz, feeding rotating speed is 25 ~ 35Hz, and the temperature in each area of double screw extruder is 180 DEG C of an area, two 185 DEG C of areas, three areas 190
DEG C, four 195 DEG C of areas, five 200 DEG C of areas, six 200 DEG C of areas, seven 195 DEG C of areas, eight 190 DEG C of areas, nine 185 DEG C of areas, 185 DEG C of head.
Embodiment 4
The surface of inorganic nanometer powder is modified
A certain amount of titanate coupling agent PN-130 is added in absolute ethyl alcohol, is stirred at room temperature 20 ~ 40 minutes, carry out alcohol
Solution prepares solution A, and solution A is added in high-speed mixer together with inorganic nanometer powder, is stirred 10 ~ 20 minutes at 80 DEG C,
Then inorganic nanometer powder is dried so that powder water content is less than 0.3%, obtains the modified inorganic nanometer powder in surface.
The preparation of modified glue powder/regenerated polythene insulating tube composite
Raw material is weighed according to following weight proportion（Unit：Kilogram）：95 parts of regenerated polythene matrix resin, 15 parts of rubber powder, regeneration
10 parts of toughener, 8 parts of compatilizer, 1 part of crosslinking agent, 0.5 part of assistant crosslinking agent agent, 0.5 part of lubricant, 5 parts of black masterbatch, be modified nothing
5 parts of machine nano-powder.
Described regenerated polythene matrix resin composition is 30 parts of regenerative high-density polyethylene particle, regenerates low density polyethylene
60 parts of alkene particle, 10 parts of regeneration LLDPE particle.
Described rubber powder is ethylene propylene diene rubber, and through microwave irradiation activation process, particle diameter is 80 mesh to rubber powder.
Described regeneration toughener is that POE regenerates particle.
Described compatilizer is PE-g-MAH, and grafting rate is 1 ~ 1.5%.
Described crosslinking agent is DCP.
Described assistant crosslinking agent is TAIC.
Described lubricant is calcium stearate.
Described black masterbatch is base polyethylene, wherein content of carbon black 40 ~ 50%.
Described surface-modified inorganic nano-powder is the rutile type nano titanic oxide of 30 ~ 40nm of particle diameter.
Its preparation technology is as follows：
（1）According to the proportioning in formula by regenerated polythene matrix resin, rubber powder, regeneration toughener, compatilizer, crosslinking agent, help
The modified rutile-type nano titania powder in crosslinking agent, lubricant, black masterbatch, defoamer, surface is put into batch mixer, with
The rotating speed of 300r/min mixes 15 ~ 20min；
（2）The material that will be mixed adds double screw extruder blending granulation, you can obtain finished product, the engine speed of extruder is
20 ~ 40Hz, feeding rotating speed is 25 ~ 35Hz, and the temperature in each area of double screw extruder is 180 DEG C of an area, two 185 DEG C of areas, three areas 190
DEG C, four 195 DEG C of areas, five 200 DEG C of areas, six 200 DEG C of areas, seven 195 DEG C of areas, eight 190 DEG C of areas, nine 185 DEG C of areas, 185 DEG C of head.
Finished product material to above-mentioned 4 examples is tested, and the polyethylene that test result is satisfied by producing on the market at present is protected
The performance requirement index of warm pipe, test result is as shown in the table：
For a person skilled in the art, technical scheme that can be as described above and design, make other and accordingly change
Become and deform, and all these change accordingly belongs to the protection domain of application claims.
Claims (10)
1. a kind of modified glue powder/regenerated polythene insulating tube composite, it is characterised in that made by weight ratio by following raw material
It is standby：80 ~ 100 parts of regenerated polythene matrix resin, 10 ~ 20 parts of rubber powder regenerates 5 ~ 10 parts of toughener, 1 ~ 10 part of compatilizer, crosslinking
0.1 ~ 1 part of agent, 0.1 ~ 0.5 part of assistant crosslinking agent, 0.5 ~ 1 part of lubricant, 4 ~ 6 parts of black masterbatch, modified inorganic nano-powder 3 ~ 5
Part.
2. a kind of modified glue powder according to claim 1/regenerated polythene insulating tube composite, it is characterised in that institute
The regenerated polythene matrix resin composition stated is 10 ~ 50 parts of regenerative high-density polyethylene resin, regenerates ldpe resin
30 ~ 70 parts, regenerate 0 ~ 30 part of linear low density polyethylene resin.
3. a kind of modified glue powder according to claim 1/regenerated polythene insulating tube composite, it is characterised in that institute
The rubber powder stated is ethylene propylene diene rubber rubber powder, natural rubber rubber powder, butadiene-styrene rubber rubber powder, butyl rubber rubber powder, cis-butadiene cement rubber powder
In one or two, through microwave irradiation activation process, particle diameter is 80 mesh to rubber powder.
4. a kind of modified glue powder according to claim 1/regenerated polythene insulating tube composite, it is characterised in that institute
The regeneration toughener stated is ethylene-octene copolymer（POE）Regeneration particle, ethylene-vinyl acetate copolymer（EVA）Regeneration particle
In one kind.
5. a kind of modified glue powder according to claim 1/regenerated polythene insulating tube composite, it is characterised in that institute
The compatilizer stated is Research of Grafting Malaic Anhydride Onto Polyethylene（PE-g-MAH）, grafting maleic anhydride with ethylene propylene terpolymer（EPDM-g-
MAH）, polyethylene to graft glycidyl methacrylate（PE-g-GMA）, POE grafted maleic anhydride（POE-
g-MAH）In one kind.
6. a kind of modified glue powder according to claim 1/regenerated polythene insulating tube composite, it is characterised in that institute
The crosslinking agent stated is cumyl peroxide（DCP）, diethylenetriamines（DTA）In one or two mixture.
7. a kind of modified glue powder according to claim 1/regenerated polythene insulating tube composite, it is characterised in that institute
The assistant crosslinking agent stated is the propylene ester of isocyanuric acid three（TGIC）, triallyl isonitrile urea acid esters（TAIC）, trimethylolpropane tris
Methacrylate（TMPTMA）In one kind.
8. a kind of modified glue powder according to claim 1/regenerated polythene insulating tube composite, it is characterised in that institute
The lubricant stated is the one kind in PE waxes, stearic acid, calcium stearate, oleamide, butyl stearate.
9. a kind of modified glue powder according to claim 1/regenerated polythene insulating tube composite, it is characterised in that institute
The surface-modified inorganic nano-powder stated is the titanium dioxide of 30 ~ 40nm of particle diameter or the zinc oxide of 10 ~ 80nm.
10. a kind of modified glue powder according to claim 1/regenerated polythene insulating tube composite, it is characterised in that its
Preparation technology is as follows：
（1）According to the proportioning in formula by regenerated polythene matrix resin, rubber powder, regeneration toughener, compatilizer, crosslinking agent, help
The modified inorganic nanometer powder in crosslinking agent, lubricant, black masterbatch, surface is put into batch mixer, is mixed with the rotating speed of 300r/min
15~20min；
（2）The material that will be mixed adds double screw extruder blending granulation, you can obtain finished product, the engine speed of extruder is
20 ~ 40Hz, feeding rotating speed is 25 ~ 35Hz, and the temperature in each area of double screw extruder is 180 DEG C of an area, two 185 DEG C of areas, three areas 190
DEG C, four 195 DEG C of areas, five 200 DEG C of areas, six 200 DEG C of areas, seven 195 DEG C of areas, eight 190 DEG C of areas, nine 185 DEG C of areas, 185 DEG C of head.
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| CN111138770A (en) * | 2019-12-05 | 2020-05-12 | 常州聚焦橡塑新材料有限公司 | Preparation method of non-vulcanized butyl rubber |
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