CN104650439B - Anti-termite adhesive tape substrate of polyethylene pipeline and preparation method of substrate - Google Patents
Anti-termite adhesive tape substrate of polyethylene pipeline and preparation method of substrate Download PDFInfo
- Publication number
- CN104650439B CN104650439B CN201510012993.9A CN201510012993A CN104650439B CN 104650439 B CN104650439 B CN 104650439B CN 201510012993 A CN201510012993 A CN 201510012993A CN 104650439 B CN104650439 B CN 104650439B
- Authority
- CN
- China
- Prior art keywords
- antioxidant
- termite
- polyethylene
- density polyethylene
- area
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
-
- 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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0017—Combinations of extrusion moulding with other shaping operations combined with blow-moulding or thermoforming
-
- 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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/802—Heating
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/83—Heating or cooling the cylinders
- B29C48/832—Heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
- B29K2023/0608—PE, i.e. polyethylene characterised by its density
- B29K2023/0616—VLDPE, i.e. very low density polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
- B29K2023/0608—PE, i.e. polyethylene characterised by its density
- B29K2023/0641—MDPE, i.e. medium density polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
- B29K2023/0608—PE, i.e. polyethylene characterised by its density
- B29K2023/065—HDPE, i.e. high density polyethylene
-
- C—CHEMISTRY; METALLURGY
- 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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- 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
- C08L2203/16—Applications used for films
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/064—VLDPE
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- 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)
Abstract
The invention provides an anti-termite adhesive tape substrate of a polyethylene pipeline and a preparation method of the substrate. The anti-termite adhesive tape substrate of the polyethylene pipeline is prepared from the following components in percentage by mass: 50-75% of ultralow density polyethylene, 10-20% of maleic anhydride modified linear low-density polyethylene, 5-15% of medium-density polyethylene, 5-15% of high-density polyethylene, 1-2% of an antioxidant, 1-2% of color master batch and 1-2% of an anti-termite agent. The anti-termite adhesive tape substrate of the polyethylene pipeline is greatly enhanced in heat resisting stability, heat aging resistance, environmental stress cracking resistance, stretchability, shock resistance and wear resistance, and also has the function of prevention against termites.
Description
Technical field
The present invention relates to a kind of pipeline termite control field, the termite-proof adhesive band base of more particularly, to a kind of polyethylene pipe and
Its preparation method, this tape applications in coastal cities buried polyethylene Gas Pipe termite-proof protection it can also be used to other are buried
The termite-proof protection of facility, the such as facility such as electric wire, the buried heating pad pipe in city.
Background technology
Polyethylene abbreviation PE, is a kind of thermoplastic resin being obtained by polymerisation by ethene, including high-density polyethylene
Alkene, medium density polyethylene, low density polyethylene (LDPE) and LLDPE etc..Polyethylene is of many uses, and one of which is exactly
Be fabricated to polyethylene film, the application of polyethylene film extensively, including polyethylene agricultural film, polyethylene packaging film,
Cold twine adhesive tape polyethylene based film etc..
Due to not polar functionalities in polyethylene molecule, and degree of crystallinity is high, and surface free energy is low, the adhesive force to adhesive
Difference, if used as the base material of adhesive tape, needs to carry out Surface Polarization process to film.So, when polyethylene film is used
Make during pressure sensitive adhesive band base to process it is necessary to first pass through Surface Polarization, good adhesive effect could be formed with adhesive.
Conventional polyethylene base material mainly based on low density polyethylene (LDPE), material softness, material itself does not have termite-proof
Performance, when the surfacecti proteon for buried facility it is difficult to stop the biting of termite, often occur that base material is broken by the teeth by termite
Phenomenon.
In addition, conventional polyethylene film is resistance to poor because of thermal stability, and heat aging property is poor, hot environment
Lower physical property decay is particularly evident, and service life is also shorter, so cannot act as the adhesive band base of pipeline protection.
And the existing commercially available adhesive band base being applied to pipeline protection, its tensile strength, elongation at break, electrical strength,
The physical properties such as specific insulation, heat-proof aging, water absorption rate, vapor permeability and resistant to chemical media corrosion are not all high, especially
It is that there is no termite-proof performance it is impossible to the requirement that meets client.
Content of the invention
In order to solve above-mentioned technical problem, the invention provides a kind of termite-proof adhesive band base of polyethylene pipe, including
The mass percent of component and each component is：Ultra-low density polyethylene 50～75%；Maleic anhydride modified linear low density polyethylene
Alkene 10～20%；Medium density polyethylene 5～15%；High density polyethylene (HDPE) 5～15%；Antioxidant 1～2%；Color masterbatch 1～2%；Anti-
Agent of termite 1～2%.
This technical scheme adopts resilience and pliability excellent, and the ultra-low density polyethylene conduct that flex life is lasting
Main raw material(s), is aided with appropriate maleic anhydride modified LLDPE, so that the polarity of substrate surface is obtained greatly
Improve, improve the surface tension of base material, increased the surface adhesive property of base material, when as pressure sensitive adhesive band base, directly
Connect the coating that just can carry out adhesive on its surface, process without the Surface Polarization carrying out base material again, shorten technique
Flow process, greatlys save time and cost.
This technical scheme is passed through to add appropriate anti-termite agent, makes base material have termite-proof performance, has drive to termite
Keep away and action of contace poison.
Also added appropriate medium density polyethylene and high density polyethylene (HDPE) in the formula of this technical scheme, make the resistance to of basement membrane
Thermal stability, heat aging property, environmental stress cracking resistance, tensile property, shock resistance, heat aging property and
Wearability has obtained great enhancing.
As a further improvement on the present invention, the termite-proof adhesive band base of described polyethylene pipe includes component and each component
Mass percent be：Ultra-low density polyethylene 60～70%；Maleic anhydride modified LLDPE 12～18%；In
Density polyethylene 8～15%；High density polyethylene (HDPE) 7～10%；Antioxidant 1～2%；Color masterbatch 1～1.5%；Anti-termite agent 1.5～
2%.
Using this preferred technical scheme, the termite-proof adhesive band base obtaining has preferably termite-proof performance, heat-resisting steady
Qualitative energy, heat aging property, environmental stress cracking resistance, tensile property, shock resistance, heat aging property and wear-resisting
The performances such as property.
As a further improvement on the present invention, described anti-termite agent is pyrethroid, and described color masterbatch is black masterbatch.This
Adopt pyrethroid as anti-termite agent in scheme, its drug effect discharges slowly, duration of efficacy long, environmental protection and
There is good insecticidal effect, pollution is not resulted in water environment and soil environment.
As a further improvement on the present invention, described anti-termite agent is Biphenthrin, Permethrin, decis, chlorine cyanogen chrysanthemum
At least one of ester, Fenpropathrin, lambda-cyhalothrin, chlorine penta Cyano chrysanthemate, fenvalerate, phenothrin and allethrin.Using
The anti-termite agent of this programme, makes the termite-proof effect of the termite-proof base material of polyethylene pipe more preferably, drug effect is more longlasting, to water environment and
Soil environment does not result in pollution.
As a further improvement on the present invention, described antioxidant packages contain primary antioxidant and auxiliary anti-oxidant；Described primary antioxidant
Using antioxidant 1010, antioxidant 1076, antioxidant 246, antioxidant 2246, antioxidant 330, antioxidant 1790, antioxidant
One of 3114 and antioxidant 300；Described auxiliary anti-oxidant adopts antioxidant 618, age resistor TNP antioxidant DSTP, antioxidant
One of DLTP, antioxidant DTDTP, antioxidant DMTP and antioxidant LSTP.
This technical scheme, using compounding antioxidant systems, can play more preferable anti-aging and make to termite-proof adhesive band base
With.
Present invention also offers a kind of preparation method of the termite-proof adhesive band base of polyethylene pipe, comprise the following steps：
Step 1：Weigh each component according to described formula, after uniformly mixing, pass through double screw extruder, extruding pelletization material；
Step 2：The pellet that step 1 is obtained adds in single screw extrusion machine, and extruding pelletization obtains base material pellet；
Step 3：The base material pellet that step 2 is obtained is transported in single screw extrusion machine after drying, and extruded blowing cuts
Become base material finished product.
The concrete technological process of production is as follows：
Dispensing → batch mixing → extruding pelletization material → blowing → cutting
This technical scheme, using the technique of mixing granulation twice, makes various materials mix evenly, the base material of preparation
Energy uniformity is good；In addition, this preparation process is simple, not high to equipment requirement yet it is easy to control, be easy to large-scale production.
As a further improvement on the present invention, in described step 2, the machine barrel of single screw extrusion machine is suitable to die head from charging aperture
Sequence arranges seven sections of thermals treatment zone, and each area temperature is followed successively by：100+20℃、120+20℃、140+20℃、160+20℃、160+20℃、
180+20 DEG C and 180+20℃；In described step 2, the die head temperature of single screw extrusion machine is：180+20℃.
Using this technical scheme, select to be suitable for the technological temperature of this formula according to technical process, uniform beneficial to material
Mixing.
As a further improvement on the present invention, in described step 3 machine barrel of single screw extrusion machine from charging aperture to die head according to
Secondary be provided with four sections of thermals treatment zone, each area temperature is：One area：120℃；2nd area：130+10℃；3rd area：140+10℃；4th area：150+
10℃；In described step 3, the die head of single screw extrusion machine is sequentially provided with four sections of thermals treatment zone from die orifice to mould neck, and each area temperature is successively
For：Die orifice：150℃；Die head one area：160+10℃；Die head two area：160+10℃；Mould neck：160+10℃.
Using this technical scheme, select to be suitable for the technological temperature of this formula according to technical process, be conducive to the equal of material
Even mixing, and the control of molded substrate thickness and uniformity.
As a further improvement on the present invention, described step 3 carries out extrusion-blown modling using flat upper blowing method technique of squeezing.Using this
Technical scheme, it is easy to carry out technology controlling and process, is easy to large-scale production.
As a further improvement on the present invention, described step 3 base material finished product thickness is 0.3～0.4mm.Using this technology side
Case is it is ensured that it is easy to produce while the performance of base material, performance is optimum with cost ratio, and is easier to practice of construction.If thick
Degree is less than 0.3mm, then basement membrane is easily stretched deformation, is unfavorable for that the coating of adhesive produces, and basement membrane thickness is too little, stretching is by force
Degree does not reach requirement；If thickness is more than 0.4mm, cost increases, and production difficulty increases, and during practical application, difficulty of construction also adds
Greatly.
Compared with prior art, beneficial effects of the present invention are：The present invention breaks through from the formula of polyethylene based film, selects
Having good flexibility and the ultra-low density polyethylene of processing characteristics is major ingredient, is aided with maleic anhydride modified linea low density in right amount and gathers
Ethene improves the surface adhesive property of basement membrane, with appropriate medium density polyethylene improve basement membrane environmental stress cracking resistance and
Appropriate high density polyethylene (HDPE) increases the tensile strength of basement membrane；Add appropriate antioxidant, anti-termite agent etc., through dispensing, batch mixing,
After the operations such as extruding pelletization, blowing, cutting, the termite-proof adhesive band base that obtains, its Heat-resistant stable performance, heat aging property,
Environmental stress cracking resistance, tensile property, shock resistance, heat aging property and wearability are greatly improved,
Also there is termite-proof performance simultaneously, can be applicable to the termite-proof protection of coastal cities buried polyethylene Gas Pipe it can also be used to
The termite-proof protection of other buried facilities, the such as facility such as electric wire, the buried heating pad pipe in city.
Brief description
Fig. 1 is single screw extrusion machine each area temperature schematic diagram in step 3 of the present invention.
In figure marks：1- mono- area；2- bis- area；3- tri- area；4- tetra- area.
Specific embodiment
Below embodiments of the invention are described in further detail.
Embodiment 1
By mass percentage, this formula is：Ultra-low density polyethylene (DFDA-1095NT) 70%；Maleic anhydride modified line
Property low density polyethylene (LDPE) (208) 10%；Medium density polyethylene (3321C) 8.0%；High density polyethylene (HDPE) (5300B) 7.0%；Main
Antioxidant 1010 1.0%；Auxiliary anti-oxidant DSTDP 1.0%；Black masterbatch 1.0%；Biphenthrin 1.0%, Permethrin 1.0%.
Follow the steps below preparation：
Step 1：Weigh each component according to described formula, after uniformly mixing, pass through double screw extruder, extruding pelletization material；
Step 2：The pellet that step 1 is obtained adds in single screw extrusion machine, and extruding pelletization obtains base material pellet, described list
The machine barrel of screw extruder arranges seven sections of thermals treatment zone from charging aperture to die head order, and each area temperature is followed successively by：100+10℃、120+
10℃、140+10℃、160+10℃、160+10℃、180+10 DEG C and 180+10℃；The die head temperature of described single screw extrusion machine
For：180+20℃.
Step 3：The base material pellet that step 2 is obtained is transported in single screw extrusion machine after drying, and squeezes upper blowing method using flat
Extrusion-blown modling, cuts into the base material finished product that thickness is 0.3mm thickness, the machine barrel of wherein said single screw extrusion machine from charging aperture to
Die head is sequentially provided with four sections of thermals treatment zone, and each area temperature is：One area 1：120℃；Two areas 2：130+10℃；Three areas 3：140+10℃；
Four areas 4：150+10 DEG C, each warm area schematic diagram refers to Fig. 1；The die head of described single screw extrusion machine is sequentially provided with from die orifice to mould neck
Four sections of thermals treatment zone, each area temperature is followed successively by：Die orifice：150℃；Die head one area：160+10℃；Die head two area：160+10℃；Mould
Neck：160+10℃.
Embodiment 2：
By mass percentage, this formula is：Ultra-low density polyethylene (VL200) 60%；Maleic anhydride modified linearly low close
Degree polyethylene (208) 15%；Medium density polyethylene (3802) 15%；High density polyethylene (HDPE) (5621D) 5%；Primary antioxidant
(1010) 1.0%；Auxiliary anti-oxidant (DSTDP) 1.0%：Black masterbatch 2%；Decis 1.0%.
Follow the steps below preparation：
Step 1：Weigh each component according to described formula, after uniformly mixing, pass through double screw extruder, extruding pelletization material；
Step 2：The pellet that step 1 is obtained adds in single screw extrusion machine, and extruding pelletization obtains base material pellet, described list
The machine barrel of screw extruder arranges seven sections of thermals treatment zone from charging aperture to die head order, and each area temperature is followed successively by：100+10℃、120+
10℃、140+10℃、160+10℃、160+10℃、180+10 DEG C and 180+10℃；The die head temperature of described single screw extrusion machine
For：180+20℃.
Step 3：The base material pellet that step 2 is obtained is transported in single screw extrusion machine after drying, and squeezes upper blowing method using flat
Extrusion-blown modling, cuts into the base material finished product that thickness is 0.35mm thickness, the machine barrel of wherein said single screw extrusion machine is from charging aperture
It is sequentially provided with four sections of thermals treatment zone to die head, each area temperature is：One area 1：120℃；Two areas 2：130+10℃；Three areas 3：140+10
℃；Four areas 4：150+10℃；The die head of described single screw extrusion machine is sequentially provided with four sections of thermals treatment zone, each area temperature from die orifice to mould neck
Degree is followed successively by：Die orifice：150℃；Die head one area：160+10℃；Die head two area：160+10℃；Mould neck：160+10℃.
Embodiment 3：
By mass percentage, this formula is：Ultra-low density polyethylene (DFDA-1098NT) 55%；Maleic anhydride modified line
Property low density polyethylene (LDPE) (208) 17%；Medium density polyethylene (3721C) 15%；High density polyethylene (HDPE) (TR-144) 9.0%；Main
Antioxidant (1010) 0.5%；Auxiliary anti-oxidant (DSTDP) 0.5%：Black masterbatch 1.5%；Fenvalerate 1.5%.
Follow the steps below preparation：
Step 1：Weigh each component according to described formula, after uniformly mixing, pass through double screw extruder, extruding pelletization material；
Step 2：The pellet that step 1 is obtained adds in single screw extrusion machine, and extruding pelletization obtains base material pellet, described list
The machine barrel of screw extruder arranges seven sections of thermals treatment zone from charging aperture to die head order, and each area temperature is followed successively by：110+10℃、130+
10℃、150+10℃、170+10℃、170+10℃、190+10 DEG C and 190+10℃；The die head temperature of described single screw extrusion machine
For：190+10℃.
Step 3：The base material pellet that step 2 is obtained is transported in single screw extrusion machine after drying, and squeezes upper blowing method using flat
Extrusion-blown modling, cuts into the base material finished product that thickness is 0.4mm thickness, the machine barrel of wherein said single screw extrusion machine from charging aperture to
Die head is sequentially provided with four sections of thermals treatment zone, and each area temperature is：One area 1：120℃；Two areas 2：130+10℃；Three areas 3：140+10℃；
Four areas 4：150+10℃；Described single screw extrusion machine is sequentially provided with four sections of thermals treatment zone from die orifice to mould neck, and each area temperature is followed successively by：
Die orifice：150℃；Die head one area：160+10℃；Die head two area：160+10℃；Mould neck：160+10℃.
Embodiment 4：
By mass percentage, this formula is：Ultra-low density polyethylene (VL200) 75%；Maleic anhydride modified linearly low close
Degree polyethylene (208) 10%；Medium density polyethylene (3802) 5%；High density polyethylene (HDPE) (5621D) 6%；Primary antioxidant (1010)
1.0%；Auxiliary anti-oxidant (DSTDP) 1.0%：Black masterbatch 1%；Chlorine penta Cyano chrysanthemate 1.0%.
Preparation process and technique are with embodiment 2.
Embodiment 5：
By mass percentage, this formula is：Ultra-low density polyethylene (DFDA-1098NT) 50%；Maleic anhydride modified line
Property low density polyethylene (LDPE) (208) 20%；Medium density polyethylene (3721C) 15%；High density polyethylene (HDPE) (TR-144) 10%；Main anti-
Oxygen agent (1010) 0.5%；Auxiliary anti-oxidant (DSTDP) 0.5%：Black masterbatch 1%；Allethrin 2%.
Preparation process and technique are with embodiment 3.
Comparative example 1：
The commercially available anti-corrosion Cold winding band polyethylene base material being applied to gas pipeline, thickness 0.3mm；
By the adhesive band base obtained by embodiment 1～5 and comparative example 1, carry out performance test, testing standard and result are such as
Described in Tables 1 and 2.
The performance test results of table 1 embodiment 1～3
Table 2 embodiment 4～5 and the performance test results of comparative example 1
Visible by the Data Comparison of Tables 1 and 2, embodiment 1～5 all can reach client's in the detection of each project
Standard requires, and in comparative example 1, the commercially available anti-corrosion Cold winding band polyethylene base material being applied to gas pipeline of prior art is being prevented in vain
Requirement is not all reached in ant performance, basement membrane tensile strength, electrical strength and termite-proof performance；In terms of existing technologies, originally
The technical scheme of invention is greatly enhanced in termite-proof performance, in addition, in tensile strength, elongation at break, electrically
The aspects such as intensity, specific insulation, heat-proof aging, water absorption rate, vapor permeability and resistant to chemical media corrosion are also significantly better than
Prior art, the standard that some projects also greatly exceed client requires.
Above content is to further describe it is impossible to assert with reference to specific preferred embodiment is made for the present invention
Being embodied as of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of present inventive concept, some simple deduction or replace can also be made, all should be considered as belonging to the present invention's
Protection domain.
Claims (10)
1. a kind of termite-proof adhesive band base of polyethylene pipe is it is characterised in that the mass percent of the component that includes and each component
For：Ultra-low density polyethylene 50 ~ 75%；Maleic anhydride modified LLDPE 10 ~ 20%；Medium density polyethylene 5 ~ 15%；
High density polyethylene (HDPE) 5 ~ 15%；Antioxidant 1 ~ 2%；Color masterbatch 1 ~ 2%；Anti-termite agent 1 ~ 2%.
2. the termite-proof adhesive band base of polyethylene pipe according to claim 1 is it is characterised in that the component that includes and each group
Point mass percent be：Ultra-low density polyethylene 60 ~ 70%；Maleic anhydride modified LLDPE 12 ~ 18%；In close
Degree polyethylene 8 ~ 15%；High density polyethylene (HDPE) 7 ~ 10%；Antioxidant 1 ~ 2%；Color masterbatch 1 ~ 1.5%；Anti-termite agent 1.5 ~ 2%.
3. the termite-proof adhesive band base of polyethylene pipe according to claim 1 and 2 is it is characterised in that described anti-termite agent
For pyrethroid.
4. the termite-proof adhesive band base of polyethylene pipe according to claim 3 is it is characterised in that described anti-termite agent is connection
Benzene chrysanthemum ester, Permethrin, decis, cypermethrin, Fenpropathrin, lambda-cyhalothrin, chlorine penta Cyano chrysanthemate, fenvalerate, phenylate
At least one of chrysanthemum ester and allethrin.
5. the termite-proof adhesive band base of polyethylene pipe according to claim 1 and 2 is it is characterised in that described antioxidant packages
Containing primary antioxidant and auxiliary anti-oxidant；Described primary antioxidant adopts antioxidant 1010, antioxidant 1076, antioxidant 246, antioxidant
2246th, one of antioxidant 330, antioxidant 1790, antioxidant 3114 and antioxidant 300；Described auxiliary anti-oxidant adopts antioxygen
In agent 618, age resistor TNP, antioxidant DSTP, anti-oxidant DLTP, antioxidant DTDTP, antioxidant DMTP and antioxidant LSTP
A kind of.
6. a kind of preparation method of the termite-proof adhesive band base of polyethylene pipe as described in claim 1 ~ 5 any one, it is special
Levy and be, comprise the following steps：
Step 1：Weigh each component according to described formula, after uniformly mixing, pass through double screw extruder extruding pelletization material；
Step 2：The pellet that step 1 is obtained adds in single screw extrusion machine, and extruding pelletization obtains base material pellet；
Step 3：The base material pellet that step 2 is obtained is transported in single screw extrusion machine after drying, and extruded blowing cuts into base
Material finished product.
7. preparation method according to claim 6 it is characterised in that in described step 2 single screw extrusion machine machine barrel from
Charging aperture arranges seven sections of thermals treatment zone to die head order, and each area temperature is followed successively by：100+20℃、120+20℃、140+20℃、160+
20℃、160+20℃、180+20 DEG C and 180+20℃；In described step 2, the die head temperature of single screw extrusion machine is：180+20
℃.
8. preparation method according to claim 6 it is characterised in that in described step 3 single screw extrusion machine machine barrel from
Charging aperture is sequentially provided with four sections of thermals treatment zone to die head, and the temperature of each thermal treatment zone is：One area（1）：120℃；2nd area（2）：130+10
℃；3rd area（3）：140+10℃；4th area（4）：150+10℃；In described step 3, the die head of single screw extrusion machine is from die orifice to mould
Neck is sequentially provided with four sections of thermals treatment zone, and the temperature of each thermal treatment zone is followed successively by：Die orifice：150℃；Die head one area：160+10℃；Die head two
Area：160+10℃；Mould neck：160+10℃.
9. preparation method according to claim 6 it is characterised in that：Described step 3 is entered using the flat technique squeezing upper blowing method
Row extrusion-blown modling.
10. preparation method according to claim 6 it is characterised in that：Described step 3 base material finished product thickness be 0.3 ~
0.4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510012993.9A CN104650439B (en) | 2015-01-09 | 2015-01-09 | Anti-termite adhesive tape substrate of polyethylene pipeline and preparation method of substrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510012993.9A CN104650439B (en) | 2015-01-09 | 2015-01-09 | Anti-termite adhesive tape substrate of polyethylene pipeline and preparation method of substrate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104650439A CN104650439A (en) | 2015-05-27 |
| CN104650439B true CN104650439B (en) | 2017-02-22 |
Family
ID=53242105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510012993.9A Active CN104650439B (en) | 2015-01-09 | 2015-01-09 | Anti-termite adhesive tape substrate of polyethylene pipeline and preparation method of substrate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104650439B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105330946A (en) * | 2015-12-03 | 2016-02-17 | 张家港市秀华塑料厂 | Agricultural insect-resistant greenhouse film formulation |
| CN105504445A (en) * | 2015-12-31 | 2016-04-20 | 浙江万里新材料科技有限公司 | Novel composite material for double-sided tape base material |
| CN105666901A (en) * | 2016-01-08 | 2016-06-15 | 安庆市季彤工贸有限公司 | Preparation method of polyethylene (PE) film |
| CN107474355A (en) * | 2017-08-04 | 2017-12-15 | 安徽远征电缆科技有限公司 | A kind of protection against rodents environmental cable for preventing white ant material and preparation method thereof |
| IL254439A0 (en) | 2017-09-07 | 2017-11-30 | Rivulis Plastro Ltd | Pest repelling drip irrigation pipe |
| CN107955461B (en) * | 2017-10-30 | 2020-09-01 | 临海伟星新型建材有限公司 | Termite-resistant polyethylene gas pipeline and preparation method thereof |
| CN114835965B (en) * | 2022-04-11 | 2024-05-03 | 四川亚大塑料制品有限公司 | Preparation method of termite-proof protective layer and gas pipeline with protective layer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1150442A (en) * | 1994-05-09 | 1997-05-21 | 陶氏化学公司 | Medium modulus film and fabrication method |
| CN1310218A (en) * | 2000-02-24 | 2001-08-29 | 日东电工株式会社 | Adhesive tape and base material for adhesive tape |
| CN1678678A (en) * | 2002-09-05 | 2005-10-05 | 埃克森美孚化学专利公司 | Shrink film |
| CN101479335A (en) * | 2006-04-26 | 2009-07-08 | 利魁包装加拿大有限公司 | Flex crack resistant low density polyethylene films |
| CN103087385A (en) * | 2012-11-23 | 2013-05-08 | 深圳市长园长通新材料有限公司 | High-density high-temperature heat-shrinkable pressure-sensitive tape and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7473745B2 (en) * | 2005-09-02 | 2009-01-06 | Equistar Chemicals, Lp | Preparation of multimodal polyethylene |
-
2015
- 2015-01-09 CN CN201510012993.9A patent/CN104650439B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1150442A (en) * | 1994-05-09 | 1997-05-21 | 陶氏化学公司 | Medium modulus film and fabrication method |
| CN1310218A (en) * | 2000-02-24 | 2001-08-29 | 日东电工株式会社 | Adhesive tape and base material for adhesive tape |
| CN1678678A (en) * | 2002-09-05 | 2005-10-05 | 埃克森美孚化学专利公司 | Shrink film |
| CN101479335A (en) * | 2006-04-26 | 2009-07-08 | 利魁包装加拿大有限公司 | Flex crack resistant low density polyethylene films |
| CN103087385A (en) * | 2012-11-23 | 2013-05-08 | 深圳市长园长通新材料有限公司 | High-density high-temperature heat-shrinkable pressure-sensitive tape and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104650439A (en) | 2015-05-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104650439B (en) | Anti-termite adhesive tape substrate of polyethylene pipeline and preparation method of substrate | |
| CN109438808A (en) | Heating cable organosilane crosslinked polyethylene insulation material and its preparation method and application | |
| CN106188815B (en) | The crosslinked ethene-tetrafluoroethylene copolymer material of heat resistant | |
| US4055526A (en) | Planar heating element and production thereof | |
| US10661497B2 (en) | Heat shrink tube and method for producing the same | |
| CN101255247A (en) | Boiling-free silicane cross-linking polyolefin composition | |
| CN109503926A (en) | A kind of preparation method of composite barrier material | |
| CN104689726A (en) | Method for preparing hydrophilic modified polypropylene hollow fiber membrane | |
| CN108215411A (en) | A kind of polypropylene/polyvinylidene fluoride co-extrusion protective film and preparation method thereof | |
| CN104559839B (en) | The termite-proof adhesive of a kind of polyethylene pipe, adhesive tape and preparation method thereof | |
| CN105778296B (en) | A kind of cold-resistant PP-R pipe and preparation method thereof | |
| CN109741869A (en) | A kind of aging-resistant flame-proof cable and preparation method thereof | |
| JP5845595B2 (en) | Ethylene polymer pellet and extrusion molding method using the pellet | |
| CN107033434A (en) | High intensity antistatic pipes and preparation method thereof | |
| CN104292592A (en) | Material for self-regulating heating/heat tracing cables and preparation method thereof | |
| CN109354757B (en) | Irradiation crosslinking high-temperature-resistant cable insulating material capable of being processed at low temperature and production method thereof | |
| CN105061848B (en) | 36V self limiting temperature adds-accompanying-heat cable core ribbon material and preparation method thereof | |
| CN105670524A (en) | Preparation method of high-quality breathable hot melt adhesive film | |
| CN105778201B (en) | A kind of fire-retardant polyethylene cable material and preparation method thereof quickly squeezed out for thin thin-walled line | |
| CN106995548A (en) | A kind of preparation method of multi-functional color masterbatch | |
| CN108099325A (en) | A kind of degradable Biaxially oriented polypropylene adhesive tape basementmembrane and preparation method thereof | |
| CN103035331B (en) | Water vapor gasket for packing and manufacturing process thereof | |
| CN104805532B (en) | A kind of method for preventing Marine microorganism from corroding using artificial super-smooth surface | |
| CN105131498A (en) | PP (Propene Polymer) prepreg for flame-retardant low-transparency thermoplastic continuous fiber strip and preparation method for PP prepreg | |
| Uno et al. | Melt‐spinning process of a tetrafluoroethylene–hexafluoropropylene copolymer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 518000 Guangdong city of Shenzhen province Gongming Guangming New District Office of the village community first industrial district haoxuan Industrial Park G building five floor Applicant after: CHANGYUAN CHANGTONG NEW MATERIAL CO., LTD. Address before: 518000 Guangdong city of Shenzhen province Gongming Guangming New District Office of the village community first industrial district haoxuan Industrial Park A1 building, third floor C Applicant before: CYG CHANGTONG NEW MATERIAL CO., LTD. |
|
| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |