CN107964188A - A kind of fire-proof and damp-proof PVC communication tube preparation processes - Google Patents

A kind of fire-proof and damp-proof PVC communication tube preparation processes Download PDF

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Publication number
CN107964188A
CN107964188A CN201711289904.0A CN201711289904A CN107964188A CN 107964188 A CN107964188 A CN 107964188A CN 201711289904 A CN201711289904 A CN 201711289904A CN 107964188 A CN107964188 A CN 107964188A
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Prior art keywords
parts
proof
pipe body
pvc pipe
fire
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CN201711289904.0A
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Inventor
吕建秋
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Yangzhou Xing Long Plastics Co Ltd
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Yangzhou Xing Long Plastics Co Ltd
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Priority to CN201711289904.0A priority Critical patent/CN107964188A/en
Publication of CN107964188A publication Critical patent/CN107964188A/en
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06Homopolymers or copolymers of vinyl chloride
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001Combinations of extrusion moulding with other shaping operations
    • B29C48/0022Combinations of extrusion moulding with other shaping operations combined with cutting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C71/00After-treatment of articles without altering their shape; Apparatus therefor
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04Coating
    • C08J7/0427Coating with only one layer of a composition containing a polymer binder
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02Details
    • H02G3/04Protective tubing or conduits, e.g. cable ladders or cable troughs
    • H02G3/0462Tubings, i.e. having a closed section
    • H02G3/0487Tubings, i.e. having a closed section with a non-circular cross-section
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00Tubular articles
    • B29L2023/22Tubes or pipes, i.e. rigid
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/04Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08J2327/06Homopolymers or copolymers of vinyl chloride
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2491/00Characterised by the use of oils, fats or waxes; Derivatives thereof
    • C08J2491/06Waxes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/02Flame or fire retardant/resistant
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/20Applications use in electrical or conductive gadgets
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The present invention relates to communication spare and accessory parts technical field, and disclose a kind of fire-proof and damp-proof PVC communication tubes, including pvc pipe body, the madial wall upper and lower ends of the pvc pipe body are coated with paraffin, chlorinated rubber is installed with the outside of the pvc pipe body, the inside top of the pvc pipe body is movably installed with the box body that quantity is two, and the inside of box body is installed with moisture absorption bag.Fire-proof and damp-proof PVC communication tube preparation processes; by setting paraffin and chlorinated rubber; paraffin and chlorinated rubber fire resistance are good; it is applied over pvc pipe body surface; expansion can produce the foam of millimeters thick when meeting fire; charcoal is melted into protective layer; completely cut off burning things which may cause a fire disaster; how installed outdoors pvc pipe body is; inside affected by environment easily makes moist, and moisture absorption bag can absorb the moisture of pvc pipe body interior, avoid pvc pipe body interior communication line make moist it is mouldy; shield to communication line, while ensure that the normal use of communication line.

Description

A kind of fire-proof and damp-proof PVC communication tube preparation processes
Technical field
The present invention relates to communication spare and accessory parts technical field, is specially a kind of fire-proof and damp-proof PVC communication tube preparation processes.
Background technology
Pvc pipe is hard polvinyl choride pipe, be with Corvic and stabilizer and lubricant etc. after use pressure sintering Extrusion forming, is the plastic pipe being developed and applied earliest, and pvc pipe resistance to corrosion is strong, the low and quality that is easy to bonding, price It is hard, but due to having PVC monomers and additive exudation, be only applicable in water supply system of the delivery temperature no more than 45 DEG C, modeling Pipe material be used for draining, waste water, chemicals, heating liquid and coolant, food, ultrarapture liquid, mud, gas, compressed air and The application of vacuum system.
Pvc pipe is used for communication equipment and mainly shields to communication line, but the fire protecting performance of pvc pipe is poor, When fire occurs for external environment condition, pvc pipe also easily burns the communication line interrupt for causing inside, influences the normal of communication line Use.
The content of the invention
(1) technical problem solved
In view of the deficiencies of the prior art, the present invention provides a kind of fire-proof and damp-proof PVC communication tube preparation processes, possesses fire prevention The advantages that moisture-proof, it is poor to solve the fire protecting performance of pvc pipe, and when fire occurs for external environment condition, pvc pipe, which is also easily burnt, to be caused Internal communication line interrupt, the problem of influencing the normal use of communication line.
(2) technical solution
To realize above-mentioned fire-proof and damp-proof purpose, the present invention provides following technical solution:A kind of fire-proof and damp-proof PVC communication tubes, Including pvc pipe body, the madial wall upper and lower ends of the pvc pipe body are coated with paraffin, and the outside of the pvc pipe body is consolidated Dingan County is equipped with chlorinated rubber, and the inside top of the pvc pipe body is movably installed with the box body that quantity is two, the inside of box body It is installed with moisture absorption bag.
Preferably, the box body is symmetric the inside top in pvc pipe body, and the outer surface of box body is coated with Paraffin.
Preferably, the raw material of following parts by weight proportioning is included:40-60 parts of Corvic, polystyrene resin 15- 20 parts, it is 10-15 parts of resin, 5-8 parts of lead salt stabilizer, 6-10 parts of plasticizer, 2-6 parts of epoxidized soybean oil, 1-3 parts of colouring agent, anti- 1-2 parts of 2-4 parts of oxidant and age resister.
Preferably, the raw material of following parts by weight proportioning is included:40 parts of Corvic, 15 parts of polystyrene resin, 10 parts of resin, 5 parts of lead salt stabilizer, 6 parts of plasticizer, 2 parts of epoxidized soybean oil, 1 part of colouring agent, 2 parts of antioxidant and anti-aging 1 part of agent.
Preferably, the raw material of following parts by weight proportioning is included:50 parts of Corvic, polystyrene resin 17.5 Part, 12.5 parts of resin, 6.5 parts of lead salt stabilizer, 8 parts of plasticizer, 4 parts of epoxidized soybean oil, 2 parts of colouring agent, 3 parts of antioxidant and 1.5 parts of age resister.
Preferably, the raw material of following parts by weight proportioning is included:60 parts of Corvic, 20 parts of polystyrene resin, 15 parts of resin, 8 parts of lead salt stabilizer, 10 parts of plasticizer, 6 parts of epoxidized soybean oil, 3 parts of colouring agent, 4 parts of antioxidant and anti-aging 2 parts of agent.
Another technical problem to be solved by the present invention is that a kind of fire-proof and damp-proof PVC communication tube preparation processes are provided, including with Lower step:
1) raw material mixes, successively by 40-60 parts of Corvic, 15-20 parts of polystyrene resin, 10-15 parts of resin, 5-8 parts of lead salt stabilizer, 6-10 parts of plasticizer, 2-6 parts of epoxidized soybean oil, 1-3 parts of colouring agent, 2-4 parts of antioxidant and anti-ageing 1-2 parts of agent is put into high-speed mixer, when the material is warming up to 100-120 DEG C through material and mechanical self-friction, then through thing Material is poured into the feed hopper of extruder by material when carrying out cold material is near 40-50 DEG C mixed;
2) extrude, when the screw rod in extruder rotate in machine barrel by it is rapid 1) in obtained mixed material plasticizing pusher to machine Head extrusion, obtained tube gives over to spare;
3) spray sizing, progress recirculated water spraying cooling, wherein water in water tank are put into by obtained tube in step 2) Case is stainless steel babinet, and the temperature of shower water is 15-25 DEG C;
4) leading-in device is continuous, the tubing that is hardened will have automatically been cooled down in step 3) pull out and stay do it is spare;
5) cutting polishing, is cut obtained tube in step 4) according to processing request using cutting machine, at the same time The both ends of the mouth of pipe are polished smooth using sanding apparatus, you can pvc pipe body is made;
6) inner side of obtained pvc pipe body in step 5) is applied and spreads paraffin, while in the exterior bonding of pvc pipe body There is chlorinated rubber, moisture absorption bag is placed in box body, and box body is placed on to the inside top of pvc pipe body, you can on being made State fire-proof and damp-proof PVC communication tubes.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of fire-proof and damp-proof PVC communication tube preparation processes, possess following beneficial Effect:
1st, fire-proof and damp-proof PVC communication tube preparation processes, by setting paraffin and chlorinated rubber, paraffin and chlorinated rubber are resistance to Fire is good, is applied over pvc pipe body surface, and the foam that can produce millimeters thick, charcoal chemical conversion protective layer, isolation fire are expanded when meeting fire Source, shields communication line, while ensure that the normal use of communication line.
2nd, fire-proof and damp-proof PVC communication tube preparation processes, by setting moisture absorption bag, how installed outdoors pvc pipe body is, by Environment influences inside and easily makes moist, and moisture absorption bag can absorb the moisture of pvc pipe body interior, avoids logical inside pvc pipe body 1 It is mouldy to believe that circuit makes moist, ensure that the normal use of communication line.
Brief description of the drawings
Fig. 1 is a kind of fire-proof and damp-proof PVC communication tube structure diagrams proposed by the present invention.
In figure:1 pvc pipe body, 2 paraffin, 3 chlorinated rubbers, 4 box bodys, 5 moisture absorption bags.
Embodiment
Below in conjunction with the embodiment of the present invention, the technical solution in the embodiment of the present invention is clearly and completely retouched State, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Based on the present invention In embodiment, the every other implementation that those of ordinary skill in the art are obtained without making creative work Example, belongs to the scope of protection of the invention.
A kind of fire-proof and damp-proof PVC communication tubes, including pvc pipe body 1, the madial wall upper and lower ends of pvc pipe body 1 are smeared There is paraffin 2, the outside of pvc pipe body 1 is installed with chlorinated rubber 3, and the inside top of pvc pipe body 1 is movably installed with number The box body 4 for two is measured, box body 4 is symmetric the inside top in pvc pipe body 1, and the outer surface of box body 4 is coated with Paraffin 2, the inside of box body 4 are installed with moisture absorption bag 5.
Embodiment one:A kind of fire-proof and damp-proof PVC communication tube preparation processes, include the raw material of following parts by weight proportioning:It is poly- 40 parts of vinyl chloride resin, 15 parts of polystyrene resin, 10 parts of resin, 5 parts of lead salt stabilizer, 6 parts of plasticizer, epoxidized soybean oil 2 Part, 1 part of colouring agent, 2 parts of antioxidant and 1 part of age resister.
Another technical problem to be solved by the present invention is that a kind of fire-proof and damp-proof PVC communication tube preparation processes are provided, including with Lower step:
1) raw material mixes, and successively stablizes 40 parts of Corvic, 15 parts of polystyrene resin, 10 parts of resin, lead salt 1 part of 5 parts of agent, 6 parts of plasticizer, 2 parts of epoxidized soybean oil, 1 part of colouring agent, 2 parts of antioxidant and age resister are put into mixed at high speed In machine, when the material is warming up to 100 DEG C through material and mechanical self-friction, when then carrying out cold material is near 40 DEG C mixed through material Material is poured into the feed hopper of extruder;
2) extrude, when the screw rod in extruder rotate in machine barrel by it is rapid 1) in obtained mixed material plasticizing pusher to machine Head extrusion, obtained tube gives over to spare;
3) spray sizing, progress recirculated water spraying cooling, wherein water in water tank are put into by obtained tube in step 2) Case is stainless steel babinet, and the temperature of shower water is 15 DEG C;
4) leading-in device is continuous, the tubing that is hardened will have automatically been cooled down in step 3) pull out and stay do it is spare;
5) cutting polishing, is cut obtained tube in step 4) according to processing request using cutting machine, at the same time The both ends of the mouth of pipe are polished smooth using sanding apparatus, you can pvc pipe body 1 is made;
6) inner side of obtained pvc pipe body 1 in step 5) is applied and spreads paraffin 2, while in the outside of pvc pipe body 1 Chlorinated rubber 3 is bonded with, moisture absorption bag 5 is placed in box body 4, and box body 4 is placed on to the inside top of pvc pipe body 1, i.e., Above-mentioned fire-proof and damp-proof PVC communication tubes can be made.
Embodiment two:A kind of fire-proof and damp-proof PVC communication tube preparation processes, include the raw material of following parts by weight proportioning:It is poly- 50 parts of vinyl chloride resin, 17.5 parts of polystyrene resin, 12.5 parts of resin, 6.5 parts of lead salt stabilizer, 8 parts of plasticizer, epoxy are big 1.5 parts of 4 parts of soya-bean oil, 2 parts of colouring agent, 3 parts of antioxidant and age resister.
Another technical problem to be solved by the present invention is that a kind of fire-proof and damp-proof PVC communication tube preparation processes are provided, including with Lower step:
1) raw material mixes, successively by 50 parts of Corvic, 17.5 parts of polystyrene resin, 12.5 parts of resin, lead salt 1.5 parts of 6.5 parts of stabilizer, 8 parts of plasticizer, 4 parts of epoxidized soybean oil, 2 parts of colouring agent, 3 parts of antioxidant and age resister are put into In high-speed mixer, when the material is warming up to 110 DEG C through material and mechanical self-friction, then through material carry out it is cold it is mixed will by material To the feed hopper that material is poured into extruder at 45 DEG C;
2) extrude, when the screw rod in extruder rotate in machine barrel by it is rapid 1) in obtained mixed material plasticizing pusher to machine Head extrusion, obtained tube gives over to spare;
3) spray sizing, progress recirculated water spraying cooling, wherein water in water tank are put into by obtained tube in step 2) Case is stainless steel babinet, and the temperature of shower water is 20 DEG C;
4) leading-in device is continuous, the tubing that is hardened will have automatically been cooled down in step 3) pull out and stay do it is spare;
5) cutting polishing, is cut obtained tube in step 4) according to processing request using cutting machine, at the same time The both ends of the mouth of pipe are polished smooth using sanding apparatus, you can pvc pipe body 1 is made;
6) inner side of obtained pvc pipe body 1 in step 5) is applied and spreads paraffin 2, while in the outside of pvc pipe body 1 Chlorinated rubber 3 is bonded with, moisture absorption bag 5 is placed in box body 4, and box body 4 is placed on to the inside top of pvc pipe body 1, i.e., Above-mentioned fire-proof and damp-proof PVC communication tubes can be made.
Embodiment three:A kind of fire-proof and damp-proof PVC communication tube preparation processes, include the raw material of following parts by weight proportioning:It is poly- 60 parts of vinyl chloride resin, 20 parts of polystyrene resin, 15 parts of resin, 8 parts of lead salt stabilizer, 10 parts of plasticizer, epoxidized soybean oil 6 Part, 3 parts of colouring agent, 4 parts of antioxidant and 2 parts of age resister.
Another technical problem to be solved by the present invention is that a kind of fire-proof and damp-proof PVC communication tube preparation processes are provided, including with Lower step:
1) raw material mixes, and successively stablizes 60 parts of Corvic, 20 parts of polystyrene resin, 15 parts of resin, lead salt 2 parts of 8 parts of agent, 10 parts of plasticizer, 6 parts of epoxidized soybean oil, 3 parts of colouring agent, 24 parts of antioxidant and age resister are put into mixed at a high speed In conjunction machine, when the material is warming up to 120 DEG C through material and mechanical self-friction, then carried out through material cold mixed by near 50 DEG C of material When material is poured into the feed hopper of extruder;
2) extrude, when the screw rod in extruder rotate in machine barrel by it is rapid 1) in obtained mixed material plasticizing pusher to machine Head extrusion, obtained tube gives over to spare;
3) spray sizing, progress recirculated water spraying cooling, wherein water in water tank are put into by obtained tube in step 2) Case is stainless steel babinet, and the temperature of shower water is 25 DEG C;
4) leading-in device is continuous, the tubing that is hardened will have automatically been cooled down in step 3) pull out and stay do it is spare;
5) cutting polishing, is cut obtained tube in step 4) according to processing request using cutting machine, at the same time The both ends of the mouth of pipe are polished smooth using sanding apparatus, you can pvc pipe body 1 is made;
6) inner side of obtained pvc pipe body 1 in step 5) is applied and spreads paraffin 2, while in the outside of pvc pipe body 1 Chlorinated rubber 3 is bonded with, moisture absorption bag 5 is placed in box body 4, and box body 4 is placed on to the inside top of pvc pipe body 1, i.e., Above-mentioned fire-proof and damp-proof PVC communication tubes can be made.
The beneficial effects of the invention are as follows:By setting paraffin 2 and chlorinated rubber 3, paraffin 2 and 3 fire resistance of chlorinated rubber are good, 1 surface of pvc pipe body is applied over, the foam that can produce 200 millimeters thicks is expanded when meeting fire, charcoal chemical conversion protective layer, completely cuts off burning things which may cause a fire disaster, Shield to communication line, while ensure that the normal use of communication line, by setting moisture absorption bag 5, pvc pipe body 1 More installed outdoors, inside affected by environment easily makes moist, and moisture absorption bag 5 can absorb the moisture inside pvc pipe body 1, avoid Communication line inside pvc pipe body 1 makes moist mouldy, ensure that the normal use of communication line, the fire line for solving pvc pipe Can be poor, when fire occurs for external environment condition, pvc pipe also easily burns the communication line interrupt for causing inside, influences order wire The problem of normal use on road.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of changes, modification, replace And modification, the scope of the present invention is defined by the appended.

Claims (7)

1. a kind of fire-proof and damp-proof PVC communication tubes, including pvc pipe body (1), it is characterised in that the pvc pipe body (1) it is interior Side wall upper and lower ends are coated with paraffin (2), and chlorinated rubber (3) is installed with the outside of the pvc pipe body (1), described The inside top of pvc pipe body (1) is movably installed with the box body (4) that quantity is two, and the inside of box body (4) is installed with suction Chao Bao (5).
2. a kind of fire-proof and damp-proof PVC communication tubes according to claim 1, it is characterised in that the box body (4) is in symmetrical point Cloth is in the inside top of pvc pipe body (1), and the outer surface of box body (4) is coated with paraffin (2).
3. a kind of fire-proof and damp-proof PVC communication tube preparation processes according to claim 1, it is characterised in that including following heavy Measure the raw material of number proportioning:40-60 parts of Corvic, 15-20 parts of polystyrene resin, 10-15 parts of resin, lead salt are stablized 5-8 parts of agent, 6-10 parts of plasticizer, 2-6 parts of epoxidized soybean oil, 1-3 parts of colouring agent, 2-4 parts of antioxidant and age resister 1-2 Part.
4. a kind of fire-proof and damp-proof PVC communication tube preparation processes according to claim 1, it is characterised in that including following heavy Measure the raw material of number proportioning:40 parts of Corvic, 15 parts of polystyrene resin, 10 parts of resin, 5 parts of lead salt stabilizer, increasing Mould 1 part of 6 parts of agent, 2 parts of epoxidized soybean oil, 1 part of colouring agent, 2 parts of antioxidant and age resister.
5. a kind of fire-proof and damp-proof PVC communication tube preparation processes according to claim 1, it is characterised in that including following heavy Measure the raw material of number proportioning:50 parts of Corvic, 17.5 parts of polystyrene resin, 12.5 parts of resin, lead salt stabilizer 6.5 Part, 8 parts of plasticizer, 4 parts of epoxidized soybean oil, 2 parts of colouring agent, 3 parts of antioxidant and 1.5 parts of age resister.
6. a kind of fire-proof and damp-proof PVC communication tube preparation processes according to claim 1, it is characterised in that including following heavy Measure the raw material of number proportioning:60 parts of Corvic, 20 parts of polystyrene resin, 15 parts of resin, 8 parts of lead salt stabilizer, increasing Mould 2 parts of 10 parts of agent, 6 parts of epoxidized soybean oil, 3 parts of colouring agent, 4 parts of antioxidant and age resister.
7. a kind of fire-proof and damp-proof PVC communication tube preparation processes, it is characterised in that comprise the following steps:
1) raw material mixes, successively by 40-60 parts of Corvic, 15-20 parts of polystyrene resin, 10-15 parts of resin, lead salt 5-8 parts of stabilizer, 6-10 parts of plasticizer, 2-6 parts of epoxidized soybean oil, 1-3 parts of colouring agent, 2-4 parts of antioxidant and age resister 1-2 parts are put into high-speed mixer, when the material is warming up to 100-120 DEG C through material and mechanical self-friction, then through material into Material is poured into the feed hopper of extruder by row when cold material is near 40-50 DEG C mixed;
2) extrude, when the screw rod in extruder rotate in machine barrel by it is rapid 1) in obtained mixed material be plasticized pusher and squeezed to head Go out, obtained tube gives over to spare;
3) spray sizing, obtained tube in step 2) is put into progress recirculated water spraying cooling, wherein water tank in water tank is Stainless steel babinet, the temperature of shower water is 15-25 DEG C;
4) draw, using draw-gear it is continuous, will automatically have been cooled down in step 3) tubing that is hardened pull out and stay do it is standby With;
5) cutting polishing, obtained tube in step 4) is cut, used at the same time using cutting machine according to processing request Sanding apparatus polishes smooth the both ends of the mouth of pipe, you can pvc pipe body (1) is made;
6) inner side of obtained pvc pipe body (1) in step 5) is applied and spreads paraffin (2), while in the outer of pvc pipe body (1) Portion is bonded with chlorinated rubber (3), and moisture absorption bag (5) is placed in box body (4), and box body (4) is placed on pvc pipe body (1) Inside top, you can be made above-mentioned fire-proof and damp-proof PVC communication tubes.
CN201711289904.0A 2017-12-08 2017-12-08 A kind of fire-proof and damp-proof PVC communication tube preparation processes Pending CN107964188A (en)

Priority Applications (1)

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CN201711289904.0A CN107964188A (en) 2017-12-08 2017-12-08 A kind of fire-proof and damp-proof PVC communication tube preparation processes

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Application Number Priority Date Filing Date Title
CN201711289904.0A CN107964188A (en) 2017-12-08 2017-12-08 A kind of fire-proof and damp-proof PVC communication tube preparation processes

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CN107964188A true CN107964188A (en) 2018-04-27

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CN117944244B (en) * 2024-03-22 2024-05-24 贵阳甬鑫塑管制造有限公司 Plastic pipe cooling and shaping equipment

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Application publication date: 20180427