CN103804814A - Flame retardant PVC (polyvinyl chloride) threading pipe material for electric tracing band - Google Patents
Flame retardant PVC (polyvinyl chloride) threading pipe material for electric tracing band Download PDFInfo
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- CN103804814A CN103804814A CN201210452266.0A CN201210452266A CN103804814A CN 103804814 A CN103804814 A CN 103804814A CN 201210452266 A CN201210452266 A CN 201210452266A CN 103804814 A CN103804814 A CN 103804814A
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Abstract
The invention discloses a flame retardant PVC (polyvinyl chloride) threading pipe material for an electric tracing band. The flame retardant PVC threading pipe material comprises the following raw materials in parts by weight: 80-100 parts of PVC resin with grain size of 0.1-0.2mm, 20-30 parts of calcium carbonate with grain size of 300-500 meshes, 5-10 parts of impact modifier ACR, 5-10 parts of compound lead salt stabilizer, 0.5-2 parts of lubricating agent-oxidized polyethylene wax and 5-10 parts of nanoscale inorganic flame retardants. The flame retardant PVC threading pipe has good flame retardance, has burring behaviour-oxygen index more than 40 and meets the requirement of safe use. Through testing, the mechanical indexes such as bending resistance, impact resistance, compression resistance and the like of the product meet the use requirements.
Description
Technical field
The invention belongs to polyvinyl chloride composite materials technical field, be specifically related to a kind of flame retardant type PVC penetration pipe material for electric-heating belt.
Background technology
Heating tape is a kind of material of making based on ptc material heat effect.In the time that electric current passes through, ptc material, because electric energy conversion is become heat by joule heating, plays the effect of heating member.Heating member is when temperature is lower, and resistance is little, and output rating is large; When temperature is high, it is large that resistance becomes automatically, and output rating reduces; When excess Temperature, exceed certain temperature limitation, the resistance of heating member will sharply increase, make working current disconnect, heating stops.Its advantage is temp autocontrolled, power self-regulated, safe and reliable, energy-saving and cost-reducing, thereby has extremely strong competitive power in the insulation of petrochemical complex transport pipe, the application of civilian electric heating products.
Electric-heating belt has now been widely used in the public spheres such as industrial circle and fire protection pipeline such as oil, chemical industry, heat power plant.Electric-heating belt often uses penetration pipe outdoor need during for industrial circle, now the flame retardant properties of penetration pipe is had relatively high expectations.Penetration pipe has two types of the fire-retardant and halogen-free flameproofs of halogen by fire-retardant being divided into, and wherein, although have, the fire-retardant addition of halogen is little, flame retardant properties is high, when its burning, can volatilize a large amount of poison gas, causes " secondary disaster ".The matrix of bittern-free flame-proof material is generally metal oxide, organometallics, hydration metal hydroxides etc., and fire retardant is the compound of magnesium hydroxide, aluminium hydroxide, antimonous oxide, molybdenum etc.If fire retardant formula is unreasonable, flame retardant effect is not ideal, if improve flame retardant properties by increasing addition, can improve again the cost and the bending performance that has affected material, the regulation that is difficult to be up to state standards of product.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, the PVC penetration pipe material for electric-heating belt that a kind of low cigarette, low halogen and flame retardant properties are good is provided.
Above-mentioned purpose of the present invention is achieved by the following scheme:
For a flame retardant type PVC penetration pipe material for electric-heating belt, described flame retardant type PVC penetration pipe material is made up of the raw material of following weight parts: 80～100 parts of the polyvinyl chloride (PVC) RESINS that particle diameter is 0.1～0.2mm; Particle diameter is 20～30 parts, 300～500 object calcium carbonate; 5～10 parts of impact modifying agent ACR (multipolymer of the monomer such as methyl methacrylate and acrylate, vinylbenzene); 5～10 parts of complex lead salt stabilizers; 0.5～2 part of lubricant oxidation polyethylene wax; 5～10 parts of nano grade inorganic fire retardants.
For further improving flame retardant properties of the present invention and mechanical property, PVC penetration pipe material is preferably made up of the raw material of following weight parts: 90 parts of the polyvinyl chloride (PVC) RESINS that particle diameter is 0.1～0.2mm; Particle diameter is 25 parts, 300～500 object calcium carbonate; 6 parts of impact modifying agent ACR (multipolymer of the monomer such as methyl methacrylate and acrylate, vinylbenzene); 8 parts of complex lead salt stabilizers; 1 part of lubricant oxidation polyethylene wax; 8 parts of nano grade inorganic fire retardants.
Described complex lead salt stabilizer is made up of tribasic lead sulfate and dibasic Lead Phosphite.
Described nano grade inorganic fire retardant is made up of nanostructure modified aluminium hydroxide, micron order magnesium hydroxide and the auxiliary flame retardant of following weight parts: particle diameter is 40～80 parts of 100～150 nanostructure modified aluminium hydroxides, particle diameter is 20～40 parts of the magnesium hydroxides of 1～10 micron, 5～20 parts of auxiliary flame retardants, described auxiliary flame retardant is made up of zinc borate, zinc oxide, ferric oxide, phosphoric acid salt and carbonate.
As improvement, nano grade inorganic fire retardant is made up of nanostructure modified aluminium hydroxide, micron order magnesium hydroxide and the auxiliary flame retardant of following weight parts: particle diameter is 60 parts of 100～150 nanostructure modified aluminium hydroxides, particle diameter is 30 parts of the magnesium hydroxides of 1～10 micron, 10 parts of auxiliary flame retardants.
Compared with prior art, the present invention has following beneficial effect: flame retardant properties of the present invention is good, and combustibility test test oxygen index >40, meets safe handling requirement.Meanwhile, the mechanical index such as the bending resistance of product, shock resistance, anti-pressure ability meets service requirements after tested.
Embodiment
Provide component and the weight part table look-up of embodiment of the present invention flame retardant type PVC penetration pipe material below:
By the raw material configuration of above-described embodiment than raw material is mixed 4～6 minutes, at 190～200 ℃ by after twin screw extruder granulation, extruding pipe material at 180～190 ℃.
After tested, flame retardant type PVC penetration pipe material mechanical performance of the present invention and electric property are good, good flame retardation effect, and combustibility test test oxygen index can reach more than 40, and rigidity, thermotolerance and the ageing resistance of this flame retardant type PVC penetration pipe are good.
Claims (4)
1. for a flame retardant type PVC penetration pipe material for electric-heating belt, it is characterized in that described flame retardant type PVC penetration pipe material is made up of the raw material of following weight parts:
Particle diameter is 80～100 parts of the polyvinyl chloride (PVC) RESINS of 0.1～0.2mm
Particle diameter is 20～30 parts, 300～500 object calcium carbonate
5～10 parts of impact modifying agent ACR
5～10 parts of complex lead salt stabilizers
0.5～2 part of oxidized polyethlene wax
5～10 parts of nano grade inorganic fire retardants.
2. a kind of flame retardant type PVC penetration pipe material for electric-heating belt according to claim 1, is characterized in that described flame retardant type PVC penetration pipe material is made up of the raw material of following weight parts:
Particle diameter is 90 parts of the polyvinyl chloride (PVC) RESINS of 0.1～0.2mm
Particle diameter is 25 parts, 300～500 object calcium carbonate
6 parts of impact modifying agent ACR
8 parts of complex lead salt stabilizers
1 part of oxidized polyethlene wax
8 parts of nano grade inorganic fire retardants.
3. a kind of flame retardant type PVC penetration pipe material for electric-heating belt according to claim 1 and 2, is characterized in that: described nano grade inorganic fire retardant is made up of nanostructure modified aluminium hydroxide, micron order magnesium hydroxide and the auxiliary flame retardant of following weight parts:
Particle diameter is 40～80 parts of 100～150 nanostructure modified aluminium hydroxides
Particle diameter is 20～40 parts of the magnesium hydroxides of 1～10 micron
5～20 parts of auxiliary flame retardants
Described auxiliary flame retardant is made up of zinc borate, zinc oxide, ferric oxide, phosphoric acid salt and carbonate.
4. a kind of flame retardant type PVC penetration pipe material for electric-heating belt according to claim 1 and 2, is characterized in that: described complex lead salt stabilizer is made up of tribasic lead sulfate and dibasic Lead Phosphite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210452266.0A CN103804814A (en) | 2012-11-13 | 2012-11-13 | Flame retardant PVC (polyvinyl chloride) threading pipe material for electric tracing band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210452266.0A CN103804814A (en) | 2012-11-13 | 2012-11-13 | Flame retardant PVC (polyvinyl chloride) threading pipe material for electric tracing band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103804814A true CN103804814A (en) | 2014-05-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210452266.0A Pending CN103804814A (en) | 2012-11-13 | 2012-11-13 | Flame retardant PVC (polyvinyl chloride) threading pipe material for electric tracing band |
Country Status (1)
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| CN (1) | CN103804814A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106674824A (en) * | 2017-01-20 | 2017-05-17 | 四川航天五源复合材料有限公司 | Anticorrosive jacket material of heat tracing cable and preparation method of anticorrosive jacket material |
| CN109021429A (en) * | 2018-06-21 | 2018-12-18 | 安徽特力电缆有限公司 | A kind of flame retardant type threading set materials in the tube for heating cable |
| CN111873355A (en) * | 2020-06-29 | 2020-11-03 | 申蕾 | Flame-retardant PVC (polyvinyl chloride) profile |
| CN114085423A (en) * | 2021-12-20 | 2022-02-25 | 烟台艾弗尔阻燃科技有限公司 | Flame retardant and application thereof in flame-retardant cable sheath material |
-
2012
- 2012-11-13 CN CN201210452266.0A patent/CN103804814A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106674824A (en) * | 2017-01-20 | 2017-05-17 | 四川航天五源复合材料有限公司 | Anticorrosive jacket material of heat tracing cable and preparation method of anticorrosive jacket material |
| CN109021429A (en) * | 2018-06-21 | 2018-12-18 | 安徽特力电缆有限公司 | A kind of flame retardant type threading set materials in the tube for heating cable |
| CN111873355A (en) * | 2020-06-29 | 2020-11-03 | 申蕾 | Flame-retardant PVC (polyvinyl chloride) profile |
| CN114085423A (en) * | 2021-12-20 | 2022-02-25 | 烟台艾弗尔阻燃科技有限公司 | Flame retardant and application thereof in flame-retardant cable sheath material |
| CN114085423B (en) * | 2021-12-20 | 2024-01-16 | 烟台艾弗尔阻燃科技有限公司 | Flame retardant and application thereof in flame-retardant cable sheath material |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140521 |