CN106750784A - A kind of porous plum tube and preparation method thereof - Google Patents
A kind of porous plum tube and preparation method thereof Download PDFInfo
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- CN106750784A CN106750784A CN201611143235.1A CN201611143235A CN106750784A CN 106750784 A CN106750784 A CN 106750784A CN 201611143235 A CN201611143235 A CN 201611143235A CN 106750784 A CN106750784 A CN 106750784A
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- plum tube
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- porous
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/06—Coating with compositions not containing macromolecular substances
- C08J7/065—Low-molecular-weight organic substances, e.g. absorption of additives in the surface of the article
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- 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
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Molding Of Porous Articles (AREA)
Abstract
The invention discloses a kind of preparation method of porous plum tube, comprise the following steps:A, polyethylene carried out into heating fusing in a nitrogen environment, add stabilizer and plasticizer, carry out uniform stirring;B, addition complexing agent and elasticator (elasticizer), are stirred;C, obtained compound in step B is put into extruder, carries out extrusion molding;D, the surface of the porous plum tube that will be made are polished, and are then coated with protective agent, after drying, finished product.The present invention can solve the deficiencies in the prior art, improve the toughness of porous plum tube.
Description
Technical field
The present invention relates to building materials chemical industry technical field, especially a kind of porous plum tube and preparation method thereof.
Background technology
Plum tube is the one kind formed by unique mould plus other formulas as main material with polyethylene particles
The communication tubing of plum blossom-shaped, also known as plum tube and honeycomb duct, this kind of pipe material inner wall is smooth, can directly wear optical cable, can save man-hour,
Its is rational in infrastructure, and use value is high, long lifespan.It is mainly used in the communication cable sheath such as movement, Tie Tong, UNICOM, Netcom, broadcasting and TV
Pipe.Plum tube uses porous integrative-structure, good rigidity, uniform force.Product inwall coefficient of friction is small, and it is brisk to wear cable, construction letter
Easy row.With multiple hole positions, pore can be reserved, improve communication hole position utilization rate.Existing plum tube was used in long-time
Cheng Zhong(Especially low temperature environment), its toughness hydraulic performance decline is very fast.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of porous plum tube and preparation method thereof, can solve the problem that existing skill
The deficiency of art, improves the toughness of porous plum tube.
In order to solve the above technical problems, the technical solution used in the present invention is as follows.
A kind of preparation method of porous plum tube, comprises the following steps:.
A, 200~300 parts of polyethylene carried out into heating fusing in a nitrogen environment, add 10~15 parts stabilizer and
30~40 parts of plasticizer, by temperature control in 300~350 DEG C, Stress control in 0.9~1.2MPa, carries out uniform stirring, stirs
Mix 15~30min;
B, cool the temperature to 230~250 DEG C, pressure be down to 0.2~0.3MPa, add 5~8 parts of complexing agent and 5~6 parts of bullet
Property agent, be stirred, stir 10~20min;
C, obtained compound in step B is put into extruder, carries out extrusion molding;
D, the surface of the porous plum tube that will be made are polished, and are then coated with protective agent, after drying, finished product.
Preferably, stabilizer includes following component,
The maleate of 20~25wt%, the styrene oxide of 5~9wt%, the stearic acid of 10~15wt%, two alkali of 0.5~1wt%
Formula lead phosphite, the malotilate of 6~10wt%, the 4M-3NP of 3~5wt%, the methyl fourth two of 15~20wt%
Acid, balance of disulfide group 2-ethyl hexyl ethanoate stannous methide.
Preferably, plasticizer includes following component,
The methacrylate of 17~20wt%, the hydroquinones of 5~10wt%, the vinyl acetate of 3~7wt%, 2~5wt%
Phthalic anhydride, the detergent alkylate of 1~3wt%, the 2- Hydroxyoctanoic acids butyl ester of 0.5~1.5wt%, 7~10wt% to trifluoromethylbenzene
The o-Tolylacetic acid of phenol, 5~7wt%, balance of 2,6- dimethyl -4- hydroxy benzaldehydes.
Preferably, complexing agent includes following component,
The benzonaphthalene phenolic ester of 15~25wt%, the 4- chloro-benzoic anhydrides of 10~15wt%, Dimethvl-phenyl diamines, 2 of 5~10wt%
4, the 4- dinitros biphenyl of~5wt%, 2, the 6- dimethylbenzaldehydes of 4~10wt%, the calcium pyrophosphate of 2~5wt%, balance of ammonia
Base thiocarbamide.
Preferably, elasticator (elasticizer) includes following component,
It is the silica flour of 5.5~7wt%, the dinaphthalene dibromo of 5~10wt%, the 2- amino -4- tert-butyl phenols of 30~40wt%, balance of
Epoxy resin.
Preferably, protective agent includes following component,
The acetone of 30~40wt%, the benzyl ethyl malonic acid of 10~15wt%, the 3- chloro-4-methoxy aniline of 5~10wt%, it is remaining
It is water to measure.
Preferably, during coating protective agent, the surface temperature control of porous plum tube is at 80~90 DEG C.
A kind of porous plum tube, is fabricated by using the preparation method of above-mentioned porous plum tube.
The beneficial effect brought using above-mentioned technical proposal is:Present invention improves over the mixed process of raw material, utilize
HTHP realizes the conjugation of stabilizer and plasticizer and polyethylene.Malotilate and 4M-3NP and phthalic anhydride
The mixture of stabilization can be formed under this hybird environment, is allowed to fully be combined with polyethylene molecule, improve plum tube
Intensity and acid-alkali-resistant degree.Complexing agent containing Dimethvl-phenyl diamines and 2,6- dimethylbenzaldehydes can improve polyethylene
With the mixed toughness of plasticiser.2- amino -4- tert-butyl phenols and silica flour in elasticator (elasticizer) can effectively improve polyethylene
Low-temperature characteristics.By coating protective agent, a protective layer can be formed in plum blossom pipe surface, reduced at low ambient temperatures for plum
The influence of plasticiser performance in floral tube.
Specific embodiment
Embodiment 1
A kind of preparation method of porous plum tube, comprises the following steps:.
A, 210 parts of polyethylene carried out into heating fusing in a nitrogen environment, add 14 parts stabilizer and 35 parts of increasing
Modeling agent, by temperature control in 330 DEG C, Stress control in 1.1MPa, carries out uniform stirring, stirs 20min;
B, cool the temperature to 250 DEG C, pressure be down to 0.2MPa, add 6 parts of complexing agent and 5 parts of elasticator (elasticizer), be stirred, stir
Mix 10min;
C, obtained compound in step B is put into extruder, carries out extrusion molding;
D, the surface of the porous plum tube that will be made are polished, and are then coated with protective agent, after drying, finished product.
Stabilizer includes following component,
The maleate of 22wt%, the styrene oxide of 6wt%, the stearic acid of 11wt%, the dibasic lead phosphite of 0.8wt%,
The malotilate of 8wt%, the 4M-3NP of 4wt%, the dimethyl succinic acid of 16wt%, balance of disulfide group acetic acid are different pungent
Ester stannous methide.
Plasticizer includes following component,
The methacrylate of 19wt%, the hydroquinones of 7wt%, the vinyl acetate of 6wt%, the phthalic anhydride of 3wt%, the 12 of 2wt%
Alkylbenzene, the 2- Hydroxyoctanoic acids butyl ester of 0.75wt%, the p-trifluoromethyl-phenol of 9wt%, the o-Tolylacetic acid of 6.5wt%, surplus
It is 2,6- dimethyl -4- hydroxy benzaldehydes.
Complexing agent includes following component,
The benzonaphthalene phenolic ester of 21wt%, the 4- chloro-benzoic anhydrides of 11wt%, the Dimethvl-phenyl diamines of 8wt%, the 4,4- bis- of 3wt%
Nitrobiphenyl, 2, the 6- dimethylbenzaldehydes of 7wt%, the calcium pyrophosphate of 5wt%, balance of thiosemicarbazides.
Elasticator (elasticizer) includes following component,
The silica flour of 6wt%, the dinaphthalene dibromo of 7wt%, the 2- amino -4- tert-butyl phenols of 38wt%, balance of epoxy resin.
Protective agent includes following component,
The acetone of 35wt%, the benzyl ethyl malonic acid of 12wt%, the 3- chloro-4-methoxy aniline of 8wt%, balance of water.
During coating protective agent, the surface temperature control of porous plum tube is at 80 DEG C.
A kind of porous plum tube, is fabricated by using the preparation method of above-mentioned porous plum tube.
Embodiment 2
A kind of preparation method of porous plum tube, comprises the following steps:.
A, 210 parts of polyethylene carried out into heating fusing in a nitrogen environment, add 14 parts stabilizer and 35 parts of increasing
Modeling agent, by temperature control in 330 DEG C, Stress control in 1.1MPa, carries out uniform stirring, stirs 20min;
B, cool the temperature to 250 DEG C, pressure be down to 0.2MPa, add 6 parts of complexing agent and 5 parts of elasticator (elasticizer), be stirred, stir
Mix 10min;
C, obtained compound in step B is put into extruder, carries out extrusion molding;
D, the surface of the porous plum tube that will be made are polished, and are then coated with protective agent, after drying, finished product.
Stabilizer includes following component,
The maleate of 22wt%, the styrene oxide of 6wt%, the stearic acid of 11wt%, the dibasic lead phosphite of 0.8wt%,
The malotilate of 8wt%, the 4M-3NP of 4wt%, the dimethyl succinic acid of 16wt%, balance of disulfide group acetic acid are different pungent
Ester stannous methide.
Plasticizer includes following component,
The methacrylate of 19wt%, the hydroquinones of 7wt%, the vinyl acetate of 6wt%, the phthalic anhydride of 3wt%, the 12 of 2wt%
Alkylbenzene, the 2- Hydroxyoctanoic acids butyl ester of 0.75wt%, the p-trifluoromethyl-phenol of 9wt%, the o-Tolylacetic acid of 6.5wt%, surplus
It is 2,6- dimethyl -4- hydroxy benzaldehydes.
Complexing agent includes following component,
The benzonaphthalene phenolic ester of 21wt%, the 4- chloro-benzoic anhydrides of 11wt%, the Dimethvl-phenyl diamines of 8wt%, the 4,4- bis- of 3wt%
Nitrobiphenyl, 2, the 6- dimethylbenzaldehydes of 7wt%, the calcium pyrophosphate of 5wt%, balance of thiosemicarbazides.
Elasticator (elasticizer) includes following component,
The silica flour of 6wt%, the dinaphthalene dibromo of 7wt%, the 2- amino -4- tert-butyl phenols of 38wt%, balance of epoxy resin.
Protective agent includes following component,
The acetone of 35wt%, the benzyl ethyl malonic acid of 12wt%, the 3- chloro-4-methoxies aniline of 8wt%, the phenylacetylene of 7wt%
Base trimethyl silane, balance of water.
By improving protectant component, using easily merging for phenylene-ethynylene trimethyl silane and benzonaphthalene phenolic ester
Feature, realizes that plum tube body is fully absorbed for protectant.Phenylene-ethynylene trimethyl silane and benzonaphthalene phenolic ester shape
Into complexing layer can effectively protect polyethylene, improve the cryogenic property of polyethylene.
During coating protective agent, the surface temperature control of porous plum tube is at 80 DEG C.
A kind of porous plum tube, is fabricated by using the preparation method of above-mentioned porous plum tube.
Use the plum tube purchased from Ji Su pipelines Co., Ltd of Shenzhou City(For ratio)With two embodiments of the invention
Made plum tube carries out contrast test:Thickness of sample is 2mm, by sample immerse liquid nitrogen in, keep 5min, then take out into
Conduct records limiting pressure during its fracture to applied voltage test, as a result as follows:
Group | Comparative example | Embodiment 1 | Embodiment 2 |
Limiting pressure(MPa) | 1.05 | 2.12 | 2.54 |
From above-mentioned data, the present invention can effectively improve the cryogenic property of porous plum tube.
Foregoing description only proposes as enforceable technical scheme of the invention, not as to its technical scheme single in itself
Restrictive condition.
Claims (8)
1. a kind of preparation method of porous plum tube, it is characterised in that comprise the following steps:.
A, 200~300 parts of polyethylene carried out into heating fusing in a nitrogen environment, add 10~15 parts stabilizer and 30~
40 parts of plasticizer, by temperature control in 300~350 DEG C, Stress control in 0.9~1.2MPa, carries out uniform stirring, stirring 15
~30min;
B, cool the temperature to 230~250 DEG C, pressure be down to 0.2~0.3MPa, add 5~8 parts of complexing agent and 5~6 parts of bullet
Property agent, be stirred, stir 10~20min;
C, obtained compound in step B is put into extruder, carries out extrusion molding;
D, the surface of the porous plum tube that will be made are polished, and are then coated with protective agent, after drying, finished product.
2. the preparation method of porous plum tube according to claim 1, it is characterised in that:Stabilizer includes following component,
The maleate of 20~25wt%, the styrene oxide of 5~9wt%, the stearic acid of 10~15wt%, two alkali of 0.5~1wt%
Formula lead phosphite, the malotilate of 6~10wt%, the 4M-3NP of 3~5wt%, the methyl fourth two of 15~20wt%
Acid, balance of disulfide group 2-ethyl hexyl ethanoate stannous methide.
3. the preparation method of porous plum tube according to claim 1, it is characterised in that:Plasticizer includes following component,
The methacrylate of 17~20wt%, the hydroquinones of 5~10wt%, the vinyl acetate of 3~7wt%, 2~5wt%
Phthalic anhydride, the detergent alkylate of 1~3wt%, the 2- Hydroxyoctanoic acids butyl ester of 0.5~1.5wt%, 7~10wt% to trifluoromethylbenzene
The o-Tolylacetic acid of phenol, 5~7wt%, balance of 2,6- dimethyl -4- hydroxy benzaldehydes.
4. the preparation method of porous plum tube according to claim 1, it is characterised in that:Complexing agent includes following component,
The benzonaphthalene phenolic ester of 15~25wt%, the 4- chloro-benzoic anhydrides of 10~15wt%, Dimethvl-phenyl diamines, 2 of 5~10wt%
4, the 4- dinitros biphenyl of~5wt%, 2, the 6- dimethylbenzaldehydes of 4~10wt%, the calcium pyrophosphate of 2~5wt%, balance of ammonia
Base thiocarbamide.
5. the preparation method of porous plum tube according to claim 1, it is characterised in that:Elasticator (elasticizer) includes following component,
It is the silica flour of 5.5~7wt%, the dinaphthalene dibromo of 5~10wt%, the 2- amino -4- tert-butyl phenols of 30~40wt%, balance of
Epoxy resin.
6. the preparation method of porous plum tube according to claim 1, it is characterised in that:Protective agent includes following component,
The acetone of 30~40wt%, the benzyl ethyl malonic acid of 10~15wt%, the 3- chloro-4-methoxy aniline of 5~10wt%, it is remaining
It is water to measure.
7. the preparation method of porous plum tube according to claim 6, it is characterised in that:During coating protective agent, porous plum
The surface temperature control of floral tube is at 80~90 DEG C.
8. a kind of porous plum tube, it is characterised in that:Use the porous plum tube described in the claims 1-7 any one
Preparation method is fabricated by.
Priority Applications (2)
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CN201611143235.1A CN106750784A (en) | 2016-12-13 | 2016-12-13 | A kind of porous plum tube and preparation method thereof |
CN202111282677.5A CN113831628A (en) | 2016-12-13 | 2016-12-13 | Porous plum blossom pipe and preparation method thereof |
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CN201611143235.1A CN106750784A (en) | 2016-12-13 | 2016-12-13 | A kind of porous plum tube and preparation method thereof |
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CN202111282677.5A Division CN113831628A (en) | 2016-12-13 | 2016-12-13 | Porous plum blossom pipe and preparation method thereof |
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CN202111282677.5A Pending CN113831628A (en) | 2016-12-13 | 2016-12-13 | Porous plum blossom pipe and preparation method thereof |
CN201611143235.1A Pending CN106750784A (en) | 2016-12-13 | 2016-12-13 | A kind of porous plum tube and preparation method thereof |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1260268A (en) * | 1999-12-29 | 2000-07-19 | 上海杰事杰新材料股份有限公司 | New type quincunx pipe material |
CN104804284A (en) * | 2015-04-10 | 2015-07-29 | 芜湖中源赛特管业有限公司 | Modified high-density polyethylene tube as well as preparation method and application thereof |
CN105218929A (en) * | 2015-10-31 | 2016-01-06 | 贵州同益塑料制品有限公司 | A kind of plum tube and preparation method thereof |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102775667A (en) * | 2012-07-18 | 2012-11-14 | 盐城嘉诚塑胶有限公司 | Production process of polyethylene plum blossom pipe |
CN104212046B (en) * | 2014-08-18 | 2018-02-09 | 陕西中昌科技有限公司 | Porous plum tube and preparation method thereof |
-
2016
- 2016-12-13 CN CN202111282677.5A patent/CN113831628A/en active Pending
- 2016-12-13 CN CN201611143235.1A patent/CN106750784A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1260268A (en) * | 1999-12-29 | 2000-07-19 | 上海杰事杰新材料股份有限公司 | New type quincunx pipe material |
CN104804284A (en) * | 2015-04-10 | 2015-07-29 | 芜湖中源赛特管业有限公司 | Modified high-density polyethylene tube as well as preparation method and application thereof |
CN105218929A (en) * | 2015-10-31 | 2016-01-06 | 贵州同益塑料制品有限公司 | A kind of plum tube and preparation method thereof |
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Application publication date: 20170531 |