CN106046623A - Smooth-inner-wall-type PVC pipe - Google Patents
Smooth-inner-wall-type PVC pipe Download PDFInfo
- Publication number
- CN106046623A CN106046623A CN201610628156.3A CN201610628156A CN106046623A CN 106046623 A CN106046623 A CN 106046623A CN 201610628156 A CN201610628156 A CN 201610628156A CN 106046623 A CN106046623 A CN 106046623A
- Authority
- CN
- China
- Prior art keywords
- pvc pipe
- parts
- type pvc
- wall smooth
- lubricant
- 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.)
- Pending
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions 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
- C08L27/02—Compositions 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
- C08L27/04—Compositions 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
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- 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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
-
- 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
-
- 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
Abstract
The invention provides a smooth-inner-wall-type PVC pipe, which comprises the following raw materials, by weight, 70-100 parts of a PVC resin, 10-16 parts of polyethylene wax, 3-4 parts of a stabilizing agent, 3-5 parts of a toughening agent, 15-18 parts of active calcium carbonate, 2-3.5 parts of titanium dioxide, 0.15-0.2 part of an inner lubricant and 0.5-0.6 part of an outer lubricant. Plasticization of PVC is promoted, and physical properties of the smooth-inner-wall-type PVC pipe are greatly improved. The smooth-inner-wall-type PVC pipe is reduced in melt viscosity, enhanced in smoothness and increased in brightness. The comprehensive effect of an end effect during processing is reduced, the processing energy consumption is decreased, and the surface gloss of the pipe is greatly improved. Through cooperation of inner and outer lubricants, the surface frictional coefficient is greatly decreased, and the abrasion resistance of the pipe is improved.
Description
Technical field
The invention belongs to polrvinyl chloride (PVC) pipe fitting production technical field, especially relate to a kind of inner wall smooth type pvc pipe
Part.
Background technology
Along with expanding economy, the maximum focus of agricultural transmission & distribution water is the extensive application of novel tube and pipe fitting.People
Requirement to water using efficiency is more and more higher, and especially the rationally selection of pipe fitting is for guaranteeing water distributing network safety and stability
Operation plays vital effect.At present, agricultural transmission & distribution water commonly uses pipe fitting mainly plastic pipe, metal tube and multiple tube
Part three kinds.On market, the demand to free of contamination novel agricultural water distribution pipeline part gets more and more.
The plastic tube often used on agricultural water distribution pipeline accessory is PVC-U pipe fitting, manages also known as hard PVC (UPVC)
Part, it has case hardness and tensile strength is excellent, and pipe safety coefficient is high, and ageing resistace is good, and service life is long, thermostability,
The advantages such as corrosion resistance is strong, pollution-free, are applied in industry-by-industry the most widely.
Agricultural water distribution pipeline part inwall is required to improve by existing market, improves product inwall flatness the most accordingly, and shows
Often there is out-of-flatness phenomenon in the agriculture water distribution pipeline part inwall having production, and after causing using for a long time, dirt stagnates, and causes
The Water conductance of water-supply-pipe is substantially reduced, and makes troubles to user.For solving the out-of-flatness phenomenon of pipe fitting inner wall, it is necessary to joining
Fang Jinhang redesigns adjustment, proposes the factory formula of a kind of inner wall smooth type PVC pipe.
Summary of the invention
In view of this, it is contemplated that propose a kind of inner wall smooth type PVC pipe, solve pipe fitting inner wall in prior art and put down
Whole degree is the highest, and surface smoothness is low, the technical problem that after long-time use, dirt is easily piled up.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
A kind of inner wall smooth type PVC pipe, this PVC pipe is made up of the raw material including following weight portion: polyvinyl chloride resin 70-
100 parts, Tissuemat E 10-16 part, stabilizer 3-4 part, toughener 3-5 part, activated Calcium carbonate 15-18 part, titanium dioxide 2-3.5
Part, in-lubricant 0.15-0.2 part, external lubricant 0.5-0.6 part.
Preferably, described PVC pipe is made up of the raw material including following weight portion: polyvinyl chloride resin 70-80 part, polyethylene
Wax 10-15 part, stabilizer 3 parts, toughener 3-5 part, activated Calcium carbonate 16-18 part, titanium dioxide 2-3 part, in-lubricant 0.15 part,
External lubricant 0.5 part.
Preferably, described PVC pipe is made up of the raw material including following weight portion: polyvinyl chloride resin 80 parts, Tissuemat E 15
Part, stabilizer 3 parts, toughener 4 parts, activated Calcium carbonate 15 parts, titanium dioxide 3 parts, in-lubricant 0.15 part, external lubricant 0.5 part.
Further, described polyvinyl chloride resin is SG5 type polyvinyl chloride resin.
Further, described stabilizer uses organic selenium heat stabilizer.
Further, described activated Calcium carbonate uses the super fine calcium carbonate of low oil factor, and super fine calcium carbonate powder body is put down
All particle diameter≤0.02 μm, oil factor DOP is 20-22.
Further, described titanium dioxide is Rutile type titanium dioxide.
Further, described in-lubricant be stearic acid, stearic acid butyl ester, glyceryl monostearate, stearyl alcohol a kind of or
Several combinations, described external lubricant is hard paraffin or metallic soap.
Further, described toughener is in EP rubbers, polybutadiene rubber, butyl rubber or butadiene-styrene rubber
Kind.
The preparation method of described inner wall smooth type PVC pipe, comprises the steps:
(1) by polyvinyl chloride resin, Tissuemat E, stabilizer, toughener, activated Calcium carbonate, titanium dioxide, in-lubricant, outer lubrication
Agent adds in mixer and mixes, and temperature is heated to 80-100 DEG C, obtains mixed material；
(2) extruding pelletization, puts into extrusion molding in extruder by described mixed material and obtains tubing, each section of extruder
Temperature range is: 180 DEG C-200 DEG C；
(3) by described tubing through vacuum sizing, cool down molding, be cut into finished product tubing.
Relative to prior art, inner wall smooth type PVC pipe of the present invention has the advantage that
The Tissuemat E of inner wall smooth type PVC pipe of the present invention can be greatly improved the physical property of product, simultaneously
Can effectively reduce again melt viscosity, strengthening lubrication and increase brightness, reduce comprehensive effect that processing middle-end end effect is answered, reduce processing
Energy consumption, substantially improves the surface gloss of pipe fitting.Meanwhile, coordinate in-lubricant, the use of external lubricant, largely drop
The coefficient of friction on low surface, improves the abrasion resistance of pipe fitting.The equal safety non-toxic of each component in formula, solves prior art
Middle pipe fitting inner wall flatness is the highest, and surface smoothness is low, after long-time use while dirt easily accumulation problem, improves pipe fitting
The feature of environmental protection and safety
Detailed description of the invention
Unless otherwise indicated, term used herein is respectively provided with the implication that those skilled in the art's routine understands, in order to
Readily appreciate the present invention, terms more used herein have been carried out following definitions.
All of Digital ID, such as pH, temperature, time, concentration, including scope, be all approximation.It is to be understood that, although
Term " about " is all added before all of Digital ID of the clearest and the most definite narration.Simultaneously it will also be understood that, although the clearest and the most definite
Narration, reagent described herein is only example, and its equivalent is known in the art.
Embodiment 1
Described inner wall smooth type PVC pipe, is made up of the raw material including following weight portion: polyvinyl chloride resin 80 parts, polyethylene
15 parts of wax, organic selenium heat stabilizer 3 parts, polybutadiene rubber 4 parts, activated Calcium carbonate 15 parts, titanium dioxide 3 parts, monostearate is sweet
Grease 0.15 part, hard paraffin 0.5 part.
The preparation method of described inner wall smooth type PVC pipe, comprises the steps:
(1) by polyvinyl chloride resin, Tissuemat E, stabilizer, toughener, activated Calcium carbonate, titanium dioxide, in-lubricant, outer lubrication
Agent adds in mixer and mixes, and temperature is heated to 90 DEG C, obtains mixed material；
(2) extruding pelletization, puts into extrusion molding in extruder by described mixed material and obtains tubing, each section of extruder
Temperature range is: 180 DEG C-200 DEG C；
(3) by described tubing through vacuum sizing, cool down molding, be cut into finished product tubing.
Embodiment 2
Described inner wall smooth type PVC pipe, is made up of the raw material including following weight portion: polyvinyl chloride resin 100 parts, poly-second
12 parts of alkene wax, organic selenium heat stabilizer 3 parts, butyl rubber 3 parts, activated Calcium carbonate 16 parts, titanium dioxide 2 parts, stearic acid butyl ester
0.15 part, metallic soap 0.5 part.
The preparation method of described inner wall smooth type PVC pipe, comprises the steps:
(1) by polyvinyl chloride resin, Tissuemat E, stabilizer, toughener, activated Calcium carbonate, titanium dioxide, in-lubricant, outer lubrication
Agent adds in mixer and mixes, and temperature is heated to 90 DEG C, obtains mixed material；
(2) extruding pelletization, puts into extrusion molding in extruder by described mixed material and obtains tubing, each section of extruder
Temperature range is: 180 DEG C-200 DEG C；
(3) by described tubing through vacuum sizing, cool down molding, be cut into finished product tubing.
Embodiment 3
Described inner wall smooth type PVC pipe, is made up of the raw material including following weight portion: polyvinyl chloride resin 70 parts, polyethylene
15 parts of wax, organic selenium heat stabilizer 4 parts, 5 parts of EP rubbers, activated Calcium carbonate 18 parts, titanium dioxide 3 parts, stearyl alcohol 0.2 part, gold
Belong to soap 0.5 part.
The preparation method of described inner wall smooth type PVC pipe, comprises the steps:
(1) by polyvinyl chloride resin, Tissuemat E, stabilizer, toughener, activated Calcium carbonate, titanium dioxide, in-lubricant, outer lubrication
Agent adds in mixer and mixes, and temperature is heated to 90 DEG C, obtains mixed material；
(2) extruding pelletization, puts into extrusion molding in extruder by described mixed material and obtains tubing, each section of extruder
Temperature range is: 180 DEG C-200 DEG C；
(3) by described tubing through vacuum sizing, cool down molding, be cut into finished product tubing.
PVC pipe embodiment 1-3 kind prepared and prior art formula, by each constituent mass ratio of each requirement
Example weighs, and produces the PVC pipe of same size through identical PVC pipe production technology, in each example and existing
Having in the pipe fitting that technical formula produces, choosing a number of pipe fitting is comparative example, totally four groups.Use the test of testing flatness instrument
And record data, then these three groups of pipe fittings are placed in same flowing water environment, containing certain density particulate matter in flowing water
Matter, took out after the identical time, used sonigauge to carry out tube wall thickness test, and record, data along pipe fitting circumference
As shown in table 1.
Data tested by table 1
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example | |
| Surface smoothness meansigma methods/mm | 0.13 | 0.09 | 0.11 | 0.26 |
| Tube wall thickness wear extent/mm | 0.052 | 0.035 | 0.042 | 0.097 |
By test date comprision, the PVC pipe that embodiment 1-3 kind prepares before the experiments, pipe fitting interior
The surfaces externally and internally of the PVC pipe that outer surface flatness meansigma methods is produced compared with prior art formula will be high, the test after experiment
Date comprision finds, the tube wall thickness wear extent of the PVC pipe that the PVC pipe that embodiment 1-3 kind prepares is produced
Little compared with the PVC pipe wear extent that prior art formula is produced, and tube wall thickness thickness is more uniform, and prior art formula is given birth to
There is more serious spot corrosion in the PVC pipe surface produced, and wearability, flatness are relatively low.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
1. an inner wall smooth type PVC pipe, it is characterised in that: this PVC pipe is made up of the raw material including following weight portion:
Polyvinyl chloride resin 70-100 part, Tissuemat E 10-16 part, stabilizer 3-4 part, toughener 3-5 part, activated Calcium carbonate 15-18 part, titanium
White lead 2-3.5 part, in-lubricant 0.15-0.2 part, external lubricant 0.5-0.6 part.
Inner wall smooth type PVC pipe the most according to claim 1, it is characterised in that: described PVC pipe is as follows by including
The raw material of weight portion is made: polyvinyl chloride resin 70-80 part, Tissuemat E 10-15 part, stabilizer 3 parts, toughener 3-5 part, activated carbon
Acid calcium 16-18 part, titanium dioxide 2-3 part, in-lubricant 0.15 part, external lubricant 0.5 part.
Inner wall smooth type PVC pipe the most according to claim 2, it is characterised in that: described PVC pipe is as follows by including
The raw material of weight portion is made: polyvinyl chloride resin 80 parts, Tissuemat E 15 parts, stabilizer 3 parts, toughener 4 parts, activated Calcium carbonate 15 parts,
Titanium dioxide 3 parts, in-lubricant 0.15 part, external lubricant 0.5 part.
4. according to the inner wall smooth type PVC pipe according to any one of claim 1-3, it is characterised in that: described polyvinyl chloride resin
For SG5 type polyvinyl chloride resin.
5. according to the inner wall smooth type PVC pipe according to any one of claim 1-3, it is characterised in that: described stabilizer
Use organic selenium heat stabilizer.
6. according to the inner wall smooth type PVC pipe according to any one of claim 1-3, it is characterised in that: described activated carbon
Acid calcium uses the super fine calcium carbonate of low oil factor, and super fine calcium carbonate powder body mean diameter≤0.02 μm, oil factor DOP is
20-22。
7. according to the inner wall smooth type PVC pipe according to any one of claim 1-3, it is characterised in that: described titanium dioxide
For Rutile type titanium dioxide.
8. according to the inner wall smooth type PVC pipe according to any one of claim 1-3, it is characterised in that: described interior lubrication
Agent is stearic acid, stearic acid butyl ester, glyceryl monostearate, one or more combination of stearyl alcohol, and described external lubricant is
Hard paraffin or metallic soap.
9. according to the inner wall smooth type PVC pipe according to any one of claim 1-3, it is characterised in that: described toughener
For the one in EP rubbers, polybutadiene rubber, butyl rubber or butadiene-styrene rubber.
10. the preparation method of inner wall smooth type PVC pipe described in any one in claim 1-9, it is characterised in that: include
Following steps:
(1) polyvinyl chloride resin, Tissuemat E, stabilizer, toughener, activated Calcium carbonate, titanium dioxide, in-lubricant, external lubricant are added
Entering in mixer and mix, temperature is heated to 80-100 DEG C, obtains mixed material；
(2) extruding pelletization, puts into extrusion molding in extruder by described mixed material and obtains tubing, the temperature that extruder is each section
Scope is: 180 DEG C-200 DEG C；
(3) by described tubing through vacuum sizing, cool down molding, be cut into finished product tubing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610628156.3A CN106046623A (en) | 2016-07-29 | 2016-07-29 | Smooth-inner-wall-type PVC pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610628156.3A CN106046623A (en) | 2016-07-29 | 2016-07-29 | Smooth-inner-wall-type PVC pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106046623A true CN106046623A (en) | 2016-10-26 |
Family
ID=57196244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610628156.3A Pending CN106046623A (en) | 2016-07-29 | 2016-07-29 | Smooth-inner-wall-type PVC pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106046623A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113045843A (en) * | 2021-04-13 | 2021-06-29 | 长春联塑实业有限公司 | PVC composition and preparation method and application thereof |
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-
2016
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| CN1990537A (en) * | 2005-12-26 | 2007-07-04 | 上海佑利积水管业有限公司 | Material composition of hard polyvinyl chloride pipeline for conveying electronic grade water and accessory thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161026 |
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