CN104277352A - Fire-proof flame-retardant PVC pipe - Google Patents
Fire-proof flame-retardant PVC pipe Download PDFInfo
- Publication number
- CN104277352A CN104277352A CN201310290015.1A CN201310290015A CN104277352A CN 104277352 A CN104277352 A CN 104277352A CN 201310290015 A CN201310290015 A CN 201310290015A CN 104277352 A CN104277352 A CN 104277352A
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- Prior art keywords
- pvc
- pvc pipe
- flame retardant
- fire
- fire resistant
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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
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- 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
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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 provides a fire-proof flame-retardant PVC pipe which comprises the following components in percentage by weight: 44%-57% of PVC resin, 38%-45% of light calcium carbonate, 1%-5% of stabilizing agents, 0.5%-1.5% of paraffin, 1%-5% of stearic acid, 3%-7% of CPE and 0.5%-1.5% of titanium dioxide. The fire-proof flame-retardant PVC pipe provided by the invention can ensure excellent surface hardness and tensile strength of a PVC pipe and has the advantages of high pipeline safety coefficient, good ageing resistance, normal service life being more than 50 years, excellent acid/alkali resistance and corrosion resistance, high material oxygen index, self-extinguishment and excellent fire-proof flame-retardant property. In addition, the fire-proof flame-retardant PVC pipe provided by the invention has the advantages of low production cost, low pipe friction resistance coefficient and small maintenance workload; water can flow in the PVC pipe smoothly without being blocked; in addition, the PVC pipe has a small linear expansion coefficient, hardly deforms by a temperature factor and thus is hardly affected by external environment when in use.
Description
Technical field
The present invention relates to a kind of fire resistant flame retardant PVC.
Background technology
PVC pipeline is the maximum plastic conduit of the market share, accounts for the share of plastic conduit nearly 70%.In recent years, China's PVC development is very fast, and annual growth rate reaches 8%, and the annual growth rate of demand 2%.In plastic pipe, PVC consumption holds a safe lead always, is widely used in water supply and sewerage pipeline.But current PVC also exists or price is higher, or quality is more secondary, and the properties of PVC is undesirable, can not meet the problem of user demand.
The problems referred to above should be paid attention to and the problem solved in the design and production use procedure of VC tubing.
Summary of the invention
The object of this invention is to provide a kind of fire resistant flame retardant PVC solve current PVC also exist or price higher, or quality is more secondary, and the properties of PVC is undesirable, can not meet the problem of user demand.
Technical solution of the present invention is:
A kind of fire resistant flame retardant PVC, comprises component and each constituent mass per-cent is: polyvinyl chloride resin 44-57%, light calcium carbonate 38-45%, stablizer 1-5%, paraffin 0.5-1.5%, stearic acid 1-5%, CPE3-7% and titanium dioxide 0.5-1.5%.
Preferably, the mass percent of described component is: polyvinyl chloride resin 51-52%, light calcium carbonate 41-42%, stablizer 2.5-3%, paraffin 1.2-1.3%, stearic acid 2.5-3%, CPE2-3% and titanium dioxide 0.6-0.8%.
Preferably, the mass percent of described component is: polyvinyl chloride resin 50%, light calcium carbonate 40%, stablizer 2%, paraffin 1%, stearic acid 2%, CPE4% and titanium dioxide 1%.
Preferably, described PVC is made up of following production stage:
A, use mixing machine obtain mixing raw material after polyvinyl chloride resin 44-57%, light calcium carbonate 38-45%, stablizer 1-5%, paraffin 0.5-1.5%, stearic acid 1-5%, CPE3-7% and titanium dioxide 0.5-1.5% being mixed;
B, use twin screw extruder form tubular material by after previous step gained mixing raw material extrusion molding, use refrigerating unit to carry out cooling and shaping to the tubular material extruded;
After tubular material after cooling and shaping in previous step pulls out by C, use tractor, use cutting machine to carry out cutting section to tubular material, obtain PVC.
A kind of fire resistant flame retardant PVC of the present invention, by arranging component and each constituent mass per-cent is: polyvinyl chloride resin 44-57%, light calcium carbonate 38-45%, stablizer 1-5%, paraffin 0.5-1.5%, stearic acid 1-5%, CPE3-7% and titanium dioxide 0.5-1.5%, ensure that surface hardness and the tensile strength of PVC are excellent, pipe safety coefficient is high, and resistance to deterioration is good, normal service life can reach more than 50 years, acid and alkali-resistance fine corrosion resistance, be applicable to industrial wastewater discharge and conveying, material oxygen index is high, have self-extinguishing, fire resistant flame retardant performance is excellent.In addition, this kind of fire resistant flame retardant PVC, while production cost is lower, pipe friction factor is little, smooth in water flow, not easily block, maintenance work amount is few, and linear expansivity is 0.07mm/m, belongs to comparatively in smaller range value, make PVC temperature influence deflection little, further ensure the impact not being subject to external environment in using.
In this kind of fire resistant flame retardant PVC, topmost component is polyvinyl chloride resin, and polyvinyl chloride resin is the renewable resources of environment-protecting asepsis, and this kind of fire resistant flame retardant PVC can repeat recycle and reuse again, avoids the pollution to environment after discarding.This kind of fire resistant flame retardant PVC, under the application of equal conditions, more frivolous compared with other materials, be convenient to install or transport, the carrying to the mounting block of PVC when can reduce installation, thus make the installation of PVC more firm, it is longer to install and use the life-span.This kind of fire resistant flame retardant PVC, has good sound-absorbing noise control performance, avoids and cause unnecessary impact to the environment for use of PVC, thus also can use in the installation environment needed peace and quiet.The invention has the beneficial effects as follows: a kind of fire resistant flame retardant PVC of the present invention, can ensure that surface hardness and the tensile strength of PVC are excellent, pipe safety coefficient is high, and resistance to deterioration is good, normal service life can reach more than 50 years, acid and alkali-resistance fine corrosion resistance, be applicable to industrial wastewater discharge and conveying, material oxygen index is high, has self-extinguishing, and fire resistant flame retardant performance is excellent.In addition, this kind of fire resistant flame retardant PVC, while production cost is lower, pipe friction factor is little, smooth in water flow, not easily block, maintenance work amount is few, and linear expansivity is 0.07mm/m, belongs to comparatively in smaller range value, make PVC temperature influence deflection little, further ensure the impact not being subject to external environment in using.
Embodiment
The following detailed description of the preferred embodiments of the present invention.
Embodiment one
The present embodiment provides a kind of fire resistant flame retardant PVC, comprises component and each constituent mass per-cent is: polyvinyl chloride resin 45%, light calcium carbonate 40%, stablizer 4%, paraffin 1%, stearic acid 3%, CPE6% and titanium dioxide 1%.
Described PVC is made up of following production stage: obtain mixing raw material after using mixing machine to be mixed by polyvinyl chloride resin 45%, light calcium carbonate 40%, stablizer 4%, paraffin 1%, stearic acid 3%, CPE6% and titanium dioxide 1%; Twin screw extruder is used to form tubular material by after previous step gained mixing raw material extrusion molding, refrigerating unit is used to carry out cooling and shaping to the tubular material extruded, after using tractor to be pulled out by the tubular material after cooling and shaping in previous step, use cutting machine to carry out cutting section to tubular material, obtain PVC.
Embodiment two
The present embodiment provides a kind of fire resistant flame retardant PVC, comprises component and each constituent mass per-cent is: polyvinyl chloride resin 50%, light calcium carbonate 40%, stablizer 2%, paraffin 1%, stearic acid 2%, CPE4% and titanium dioxide 1%.
Described PVC is made up of following production stage: obtain mixing raw material after using mixing machine to be mixed by polyvinyl chloride resin 50%, light calcium carbonate 40%, stablizer 2%, paraffin 1%, stearic acid 2%, CPE4% and titanium dioxide 1%; Twin screw extruder is used to form tubular material by after previous step gained mixing raw material extrusion molding, refrigerating unit is used to carry out cooling and shaping to the tubular material extruded, after using tractor to be pulled out by the tubular material after cooling and shaping in previous step, use cutting machine to carry out cutting section to tubular material, obtain PVC.
A kind of fire resistant flame retardant PVC of embodiment one, two, by arranging component and each constituent mass per-cent is: polyvinyl chloride resin 44-57%, light calcium carbonate 38-45%, stablizer 1-5%, paraffin 0.5-1.5%, stearic acid 1-5%, CPE3-7% and titanium dioxide 0.5-1.5%, ensure that surface hardness and the tensile strength of PVC are excellent, pipe safety coefficient is high, and resistance to deterioration is good, normal service life can reach more than 50 years, acid and alkali-resistance fine corrosion resistance, be applicable to industrial wastewater discharge and conveying, material oxygen index is high, have self-extinguishing, fire resistant flame retardant performance is excellent.In addition, this kind of fire resistant flame retardant PVC, while production cost is lower, pipe friction factor is little, smooth in water flow, not easily block, maintenance work amount is few, and linear expansivity is 0.07mm/m, belongs to comparatively in smaller range value, make PVC temperature influence deflection little, further ensure the impact not being subject to external environment in using.
In this kind of fire resistant flame retardant PVC, topmost component is polyvinyl chloride resin, and polyvinyl chloride resin is the renewable resources of environment-protecting asepsis, and this kind of fire resistant flame retardant PVC can repeat recycle and reuse again, avoids the pollution to environment after discarding.This kind of fire resistant flame retardant PVC, under the application of equal conditions, more frivolous compared with other materials, be convenient to install or transport, the carrying to the mounting block of PVC when can reduce installation, thus make the installation of PVC more firm, it is longer to install and use the life-span.This kind of fire resistant flame retardant PVC, has good sound-absorbing noise control performance, avoids and cause unnecessary impact to the environment for use of PVC, thus also can use in the installation environment needed peace and quiet.The beneficial effect of embodiment one, two is: a kind of fire resistant flame retardant PVC of embodiment one, two, can ensure that surface hardness and the tensile strength of PVC are excellent, pipe safety coefficient is high, and resistance to deterioration is good, normal service life can reach more than 50 years, acid and alkali-resistance fine corrosion resistance, be applicable to industrial wastewater discharge and conveying, material oxygen index is high, has self-extinguishing, and fire resistant flame retardant performance is excellent.In addition, this kind of fire resistant flame retardant PVC, while production cost is lower, pipe friction factor is little, smooth in water flow, not easily block, maintenance work amount is few, and linear expansivity is 0.07mm/m, belongs to comparatively in smaller range value, make PVC temperature influence deflection little, further ensure the impact not being subject to external environment in using.
Claims (4)
1. a fire resistant flame retardant PVC, is characterized in that, comprises component and each constituent mass per-cent is: polyvinyl chloride resin 44-57%, light calcium carbonate 38-45%, stablizer 1-5%, paraffin 0.5-1.5%, stearic acid 1-5%, CPE3-7% and titanium dioxide 0.5-1.5%.
2. fire resistant flame retardant PVC as claimed in claim 1, it is characterized in that, the mass percent of described component is: polyvinyl chloride resin 51-52%, light calcium carbonate 41-42%, stablizer 2.5-3%, paraffin 1.2-1.3%, stearic acid 2.5-3%, CPE2-3% and titanium dioxide 0.6-0.8%.
3. fire resistant flame retardant PVC as claimed in claim 1, is characterized in that: the mass percent of described component is: polyvinyl chloride resin 50%, light calcium carbonate 40%, stablizer 2%, paraffin 1%, stearic acid 2%, CPE4% and titanium dioxide 1%.
4. the fire resistant flame retardant PVC as described in any one of claim 1-3, is characterized in that: described PVC is made up of following production stage:
A, use mixing machine obtain mixing raw material after polyvinyl chloride resin 44-57%, light calcium carbonate 38-45%, stablizer 1-5%, paraffin 0.5-1.5%, stearic acid 1-5%, CPE3-7% and titanium dioxide 0.5-1.5% being mixed;
B, use twin screw extruder form tubular material by after previous step gained mixing raw material extrusion molding, use refrigerating unit to carry out cooling and shaping to the tubular material extruded;
After tubular material after cooling and shaping in previous step pulls out by C, use tractor, use cutting machine to carry out cutting section to tubular material, obtain PVC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310290015.1A CN104277352A (en) | 2013-07-11 | 2013-07-11 | Fire-proof flame-retardant PVC pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310290015.1A CN104277352A (en) | 2013-07-11 | 2013-07-11 | Fire-proof flame-retardant PVC pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104277352A true CN104277352A (en) | 2015-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310290015.1A Pending CN104277352A (en) | 2013-07-11 | 2013-07-11 | Fire-proof flame-retardant PVC pipe |
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| Country | Link |
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| CN (1) | CN104277352A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1597761A (en) * | 2004-07-30 | 2005-03-23 | 王志勇 | Incombustion composite plastic and preparation process thereof |
| CN1919919A (en) * | 2006-09-15 | 2007-02-28 | 河北宝硕管材有限公司 | High rush-resistant polyvinyl chloride pipe for drinking and preparation method thereof |
| US20080194736A1 (en) * | 2007-02-13 | 2008-08-14 | Minqiu Lu | PVC nanocomposite manufacturing technology and applications |
| CN102115565A (en) * | 2011-04-01 | 2011-07-06 | 安徽玉发塑业有限公司 | Polyvinyl chloride (PVC) tubular product |
| CN102382392A (en) * | 2011-09-29 | 2012-03-21 | 芜湖海杉型材有限公司 | PVC plastic pipe and its preparation method |
| CN102532750A (en) * | 2011-12-15 | 2012-07-04 | 安徽金桥电缆有限公司 | PVC (polyvinyl chloride) sheath and preparation method thereof |
-
2013
- 2013-07-11 CN CN201310290015.1A patent/CN104277352A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1597761A (en) * | 2004-07-30 | 2005-03-23 | 王志勇 | Incombustion composite plastic and preparation process thereof |
| CN1919919A (en) * | 2006-09-15 | 2007-02-28 | 河北宝硕管材有限公司 | High rush-resistant polyvinyl chloride pipe for drinking and preparation method thereof |
| US20080194736A1 (en) * | 2007-02-13 | 2008-08-14 | Minqiu Lu | PVC nanocomposite manufacturing technology and applications |
| CN102115565A (en) * | 2011-04-01 | 2011-07-06 | 安徽玉发塑业有限公司 | Polyvinyl chloride (PVC) tubular product |
| CN102382392A (en) * | 2011-09-29 | 2012-03-21 | 芜湖海杉型材有限公司 | PVC plastic pipe and its preparation method |
| CN102532750A (en) * | 2011-12-15 | 2012-07-04 | 安徽金桥电缆有限公司 | PVC (polyvinyl chloride) sheath and preparation method thereof |
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Application publication date: 20150114 |