CN109181154A - A kind of novel PVC bellows and its preparation process - Google Patents
A kind of novel PVC bellows and its preparation process Download PDFInfo
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- CN109181154A CN109181154A CN201810918055.9A CN201810918055A CN109181154A CN 109181154 A CN109181154 A CN 109181154A CN 201810918055 A CN201810918055 A CN 201810918055A CN 109181154 A CN109181154 A CN 109181154A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- 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
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—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
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of novel PVC bellowss, the parts by weight including following raw material and raw material: polyvinyl chloride resin (SG-5): 90~100 parts；Impact modifier: 10~20 parts；Haloflex: 7~10 parts；α-methylstyrene: 3~5 parts；Tribasic lead sulfate: 1~2 part；Dibasic lead phosphite: 1~1.5 part；Calcium carbonate: 8~10 parts；Lead stearate: 0.8~1 part；Barium stearate: 0.5~0.8 part；Paraffin: 0.3~0.5 part.Novel PVC bellows of the present invention is by test, and excellent combination property, shock resistance is good, melt flow rate (MFR) is higher, tensile strength is obviously excellent, has very strong promotional value.
Description
Technical field
The invention belongs to bellows material fields, and in particular to a kind of novel PVC bellows and its preparation process.
Background technique
China's plastic conduit industry has been grown rapidly, and the application range of plastic conduit constantly expands, wherein market
The maximum field of potentiality is buried drain pipe field.In recent years, the quickening of water pollution is administered with country, to municipal drainage
The increase in investment of facility is quickly.
Plastic conduit is mainly PVC, PE and PP, the PVC in the plastic pipe of nearly 20,000,000 t/a in the whole world using raw material base-material
Pipeline holds pride of place always.PVC pipeline is the most long plastic pipe of usage history.In countries such as Britain, Australia, South Africa
Novel environment protection PVC pipe is successfully developed using the method for blending and modifying, PVC pipeline is successfully answered by many water supply company
For in water supply and sewerage pipeline.In the Europe that polyolefin pipe is with fastest developing speed, PVC pipeline still accounts for 1/2 or more in total amount.?
North America and Japan, the ratio that PVC pipeline accounts for still are increasing.
Although PVC pipeline is widely used in plumbing field, but pvc pipe on the market is strong in melt flow rate (MFR), stretching
There is also very big shortcomings in terms of degree, shock resistance.
Summary of the invention
It is an object of the invention to overcome the technical problem present on, a kind of novel PVC bellows is provided.
To achieve the above object, the technical scheme is that in the following manner realizing:
A kind of novel PVC bellows, the parts by weight including following raw material and raw material: polyvinyl chloride resin (SG-5): 90~100 parts；
Impact modifier: 10~20 parts；Haloflex: 7~10 parts；α-methylstyrene: 3~5 parts；Tribasic lead sulfate: 1~2
Part；Dibasic lead phosphite: 1~1.5 part；Calcium carbonate: 8~10 parts；Lead stearate: 0.8~1 part；Barium stearate: 0.5~0.8
Part；Paraffin: 0.3~0.5 part.
Further, the polyvinyl chloride resin (SG-5) is 90 parts；The impact modifier is 10 parts；The haloflex
It is 7 parts；The α-methylstyrene is 3 parts；The tribasic lead sulfate is 1 part；The dibasic lead phosphite is 1 part；Institute
Stating calcium carbonate is 8 parts；The lead stearate is 0.8 part；The barium stearate is 0.5 part；The paraffin is 0.3 part.
Further, the polyvinyl chloride resin (SG-5) is 100 parts；The impact modifier is 20 parts；The haloflex
It is 10 parts；The α-methylstyrene is 5 parts；The tribasic lead sulfate is 2 parts；The dibasic lead phosphite is 1.5 parts；
The calcium carbonate is 10 parts；The lead stearate is 1 part；The barium stearate is 0.8 part；The paraffin is 0.5 part.
Further, the polyvinyl chloride resin (SG-5) is 95 parts；The impact modifier is 15 parts；The haloflex
It is 9 parts；The α-methylstyrene is 4 parts；The tribasic lead sulfate is 1.5 parts；The dibasic lead phosphite is 1.3
Part；The calcium carbonate is 9 parts；The lead stearate is 0.9 part；The barium stearate is 0.7 part；The paraffin is 0.4 part.
Further, the impact modifier is by methyl methacrylate (M), butadiene (B) and styrene (S) using cream
Liquid graft polymerization method is prepared.
Further, the impact modifier by methyl methacrylate (M), butadiene (B) and styrene (S) proportion
Are as follows: 2:1:1.
The present invention also provides a kind of preparation process of novel PVC bellows, specifically: by the polyvinyl chloride resin in formula
(SG-5), impact modifier, haloflex, α-methylstyrene, tribasic lead sulfate, dibasic lead phosphite, calcium carbonate,
Lead stearate, barium stearate and paraffin raw material are uniformly mixed on extruder, and the raw material of abundant plastifying fusion is formed through pipe die
For pipe, pipe die center is passed through compressed air, has vent plug stick to shut off compressed air in pipe, expands pipe outward, is close to
3 inner surface of corrugation forming apparatus, corrugation forming apparatus 3 are fixed on the crawler belt that two days continuously operate with bulk, and pipe is through wave
Line molding machine 3 forms bellows, and cooling through cold air outlet 4, then passes through the cooperation of directive wheel and winding device, and bellows is connected
It is continuous to move out, it is wound as finished product.
Further, the extruder is single screw extrusion machine, and the revolving speed of the single screw extrusion machine is 30~60r/
Min, the pipe die pressure are 36~54MPa.
Further, also automatic cutting is carried out by cutter device before being wound as finished product.
Novel PVC bellows of the present invention is by test, excellent combination property, and shock resistance is good, melt flow rate (MFR)
It is higher, tensile strength is obviously excellent, have very strong promotional value.
Detailed description of the invention:
A kind of Fig. 1: preparation process schematic diagram of novel PVC bellows of the present invention.
Label declaration:
1: extruder；2: pipe die；3: corrugation forming apparatus；4: cold air outlet；5: directive wheel；6: cutter device；7: winding
Device.
Specific embodiment
The following describes the present invention in detail with reference to examples.
Embodiment one:
A kind of novel PVC bellows, the parts by weight including following raw material and raw material: polyvinyl chloride resin (SG-5): 90 parts；Anti-impact
Modifying agent: 10 parts；Haloflex: 7 parts；α-methylstyrene: 3 parts；Tribasic lead sulfate: 1 part；Dibasic lead phosphite: 1
Part；Calcium carbonate: 8 parts；Lead stearate: 0.8 part；Barium stearate: 0.5 part；Paraffin: 0.3 part.
Wherein, the impact modifier is connect by methyl methacrylate (M), butadiene (B) and styrene (S) using lotion
Branch polymerization be prepared, the impact modifier by methyl methacrylate (M), butadiene (B) and styrene (S) proportion
Are as follows: 2:1:1.
As shown in Figure 1, the preparation process of the novel PVC bellows is as follows:
By polyvinyl chloride resin (SG-5), impact modifier, haloflex, α-methylstyrene, the three alkali formula sulfuric acid in formula
Lead, dibasic lead phosphite, calcium carbonate, lead stearate, barium stearate and paraffin raw material are uniformly mixed on extruder 1, sufficiently
The raw material of plastifying fusion is shaped to pipe through pipe die 2, and 2 center of pipe die is passed through compressed air, has vent plug stick to shut off in pipe
Compressed air expands pipe outward, is close to 3 inner surface of corrugation forming apparatus, and corrugation forming apparatus 3 is fixed on two days with bulk
On the crawler belt continuously operated, pipe forms bellows through corrugation forming apparatus 3, and cooling through cold air outlet 4, then passes through directive wheel
5 with the cooperation of winding device 7, bellows is continuously moved out, finished product is wound as.
Wherein, the extruder 1 is single screw extrusion machine, and the revolving speed of the single screw extrusion machine is 30~60r/min, institute
Stating 2 pressure of pipe die is 36~54MPa.
Preferably scheme will also carry out automatic cutting to bellows by cutter device 6 before being wound as finished product,
It is more in line with demand in this way.
Novel PVC bellows manufactured in the present embodiment, compared with the PVC bellows of the prior art, shock resistance is good,
Melt flow rate (MFR) is higher, tensile strength is obviously excellent, and test result see the table below 1:
Table 1: the test result of embodiment one
By upper table 1 as can be seen that melt flow rate (MFR), tensile strength and the shock resistance of novel PVC bellows of the present invention
The performance of intensity is superior to the PVC bellows of the prior art.
Embodiment two:
Difference with above-described embodiment one is only that the polyvinyl chloride resin (SG-5) is 100 parts；The impact modifier is
20 parts；The haloflex is 10 parts；The α-methylstyrene is 5 parts；The tribasic lead sulfate is 2 parts；Described two
Alkali formula lead phosphite is 1.5 parts；The calcium carbonate is 10 parts；The lead stearate is 1 part；The barium stearate is 0.8 part；Institute
Stating paraffin is 0.5 part.
Novel PVC bellows manufactured in the present embodiment, compared with the PVC bellows of the prior art, shock resistance is good,
Melt flow rate (MFR) is higher, tensile strength is obviously excellent, and test result see the table below 2:
Table 2: the test result of embodiment two
By upper table 2 as can be seen that melt flow rate (MFR), tensile strength and the shock resistance of novel PVC bellows of the present invention
The performance of intensity is superior to the PVC bellows of the prior art.
Embodiment three:
Difference with above-described embodiment one is only that the polyvinyl chloride resin (SG-5) is 95 parts；The impact modifier is 15
Part；The haloflex is 9 parts；The α-methylstyrene is 4 parts；The tribasic lead sulfate is 1.5 parts；Two alkali
Formula lead phosphite is 1.3 parts；The calcium carbonate is 9 parts；The lead stearate is 0.9 part；The barium stearate is 0.7 part；Institute
Stating paraffin is 0.4 part.
Novel PVC bellows manufactured in the present embodiment, compared with the PVC bellows of the prior art, shock resistance is good,
Melt flow rate (MFR) is higher, tensile strength is obviously excellent, and test result see the table below 3:
Table 3: the test result of embodiment three
By upper table 3 as can be seen that melt flow rate (MFR), tensile strength and the shock resistance of novel PVC bellows of the present invention
The performance of intensity is superior to the PVC bellows of the prior art.
Finally, it should be noted that above embodiments are only to illustrate the present invention and not limit technology described in the invention
Scheme；Therefore, although this specification is referring to above-mentioned each embodiment, the present invention has been described in detail, this
Field it is to be appreciated by one skilled in the art that still can modify to the present invention or equivalent replacement；And all do not depart from this
The technical solution and its improvement of the spirit and scope of invention, should all cover within the scope of the claims of the present invention.
Claims (9)
1. a kind of novel PVC bellows, which is characterized in that the parts by weight including following raw material and raw material: polyvinyl chloride resin (SG-5):
90~100 parts；Impact modifier: 10~20 parts；Haloflex: 7~10 parts；α-methylstyrene: 3~5 parts；Three alkali formula sulphur
Lead plumbate: 1~2 part；Dibasic lead phosphite: 1~1.5 part；Calcium carbonate: 8~10 parts；Lead stearate: 0.8~1 part；Stearic acid
Barium: 0.5~0.8 part；Paraffin: 0.3~0.5 part.
2. novel PVC bellows according to claim 1, it is characterised in that: the polyvinyl chloride resin (SG-5) is 90 parts；Institute
Stating impact modifier is 10 parts；The haloflex is 7 parts；The α-methylstyrene is 3 parts；The tribasic lead sulfate
It is 1 part；The dibasic lead phosphite is 1 part；The calcium carbonate is 8 parts；The lead stearate is 0.8 part；The stearic acid
Barium is 0.5 part；The paraffin is 0.3 part.
3. novel PVC bellows according to claim 1, it is characterised in that: the polyvinyl chloride resin (SG-5) is 100 parts；Institute
Stating impact modifier is 20 parts；The haloflex is 10 parts；The α-methylstyrene is 5 parts；The three alkali formula sulfuric acid
Lead is 2 parts；The dibasic lead phosphite is 1.5 parts；The calcium carbonate is 10 parts；The lead stearate is 1 part；The tristearin
Sour barium is 0.8 part；The paraffin is 0.5 part.
4. novel PVC bellows according to claim 1, it is characterised in that: the polyvinyl chloride resin (SG-5) is 95 parts；Institute
Stating impact modifier is 15 parts；The haloflex is 9 parts；The α-methylstyrene is 4 parts；The tribasic lead sulfate
It is 1.5 parts；The dibasic lead phosphite is 1.3 parts；The calcium carbonate is 9 parts；The lead stearate is 0.9 part；It is described hard
Resin acid barium is 0.7 part；The paraffin is 0.4 part.
5. novel PVC bellows according to claim 1, it is characterised in that: the impact modifier is by methacrylic acid
Methyl esters (M), butadiene (B) and styrene (S) are prepared using emulsion grafting polymerization method.
6. novel PVC bellows according to claim 5, it is characterised in that: the impact modifier is by methacrylic acid
The proportion of methyl esters (M), butadiene (B) and styrene (S) are as follows: 2:1:1.
7. a kind of preparation process of the novel PVC bellows as described in right wants 1 to 6 any, it is characterised in that: will be in formula
Polyvinyl chloride resin (SG-5), impact modifier, haloflex, α-methylstyrene, tribasic lead sulfate, dibasic lead phosphite,
Calcium carbonate, lead stearate, barium stearate and paraffin raw material are uniformly mixed on extruder, and the raw material of abundant plastifying fusion is through pipe machine
Head is shaped to pipe, and pipe die center is passed through compressed air, has vent plug stick to shut off compressed air in pipe, keeps pipe swollen outward
It is swollen, it is close to corrugation forming apparatus inner surface, corrugation forming apparatus is fixed on the crawler belt that two days continuously operate with bulk, pipe
Bellows is formed through corrugation forming apparatus, and cooling through cold air outlet, then pass through the cooperation of directive wheel and winding device, by bellows
It continuously moves out, is wound as finished product.
8. the preparation process of novel PVC bellows according to claim 7, it is characterised in that: the extruder is single spiral shell
Bar extruder, the revolving speed of the single screw extrusion machine are 30~60r/min, and the pipe die pressure is 36~54MPa.
9. the preparation process of novel PVC bellows according to claim 7, it is characterised in that: before being wound as finished product
Also automatic cutting is carried out by cutter device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810918055.9A CN109181154A (en) | 2018-09-07 | 2018-09-07 | A kind of novel PVC bellows and its preparation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810918055.9A CN109181154A (en) | 2018-09-07 | 2018-09-07 | A kind of novel PVC bellows and its preparation process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109181154A true CN109181154A (en) | 2019-01-11 |
Family
ID=64921167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810918055.9A Pending CN109181154A (en) | 2018-09-07 | 2018-09-07 | A kind of novel PVC bellows and its preparation process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109181154A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105017674A (en) * | 2014-04-15 | 2015-11-04 | 绍兴文理学院 | Low-temperature anti-freezing polyvinyl chloride pipe and production method thereof |
| CN106432951A (en) * | 2016-09-12 | 2017-02-22 | 上海公元建材发展有限公司 | High-impact-resistant-polyvinyl-chloride double-wall corrugated pipe and preparing method thereof |
-
2018
- 2018-09-07 CN CN201810918055.9A patent/CN109181154A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105017674A (en) * | 2014-04-15 | 2015-11-04 | 绍兴文理学院 | Low-temperature anti-freezing polyvinyl chloride pipe and production method thereof |
| CN106432951A (en) * | 2016-09-12 | 2017-02-22 | 上海公元建材发展有限公司 | High-impact-resistant-polyvinyl-chloride double-wall corrugated pipe and preparing method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 徐百平等: "《塑料挤出成型技术》", 31 August 2011, 中国轻工业出版社 * |
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Application publication date: 20190111 |