CN104877253A - Anti-fatigue PVC tubular material and preparation method thereof - Google Patents
Anti-fatigue PVC tubular material and preparation method thereof Download PDFInfo
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- CN104877253A CN104877253A CN201510201373.XA CN201510201373A CN104877253A CN 104877253 A CN104877253 A CN 104877253A CN 201510201373 A CN201510201373 A CN 201510201373A CN 104877253 A CN104877253 A CN 104877253A
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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
- 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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Abstract
The invention discloses an anti-fatigue PVC tubular material and a preparation method thereof. The anti-fatigue PVC tubular material is prepared from the following raw materials in parts by weight: 50-70 parts of SG-2 type PVC, 15-25 parts of polyformaldehyde, 4-8 parts of barium fluoride, 3-6 parts of polyamide wax micropowder, 4-8 parts of propolis, 6-12 parts of basic magnesium carbonate, 4.5-6.5 parts of low molecular weight polybutadiene, 17-23 parts of acrylonitrile/EPDM/ styrol copolymer, 8-12 parts of dihexyl adipate, 10-15 parts of activated clay, 2-3 parts of p-tert-butyl zinc benzoate, 1-2 parts of calcium naphthenate, 10-15 parts of epoxy acetyl methyl ricinoleate, 1.5-2.5 parts of ethyl p-aminobenzoate, 1-2 parts of 3-(3, 5-ditertiary butyl-4-hydroxy phenyl) methyl propionate and 3-5 parts of addition agent. The PVC tubular material prepared by the invention is excellent in fatigue performance, high in fatigue strength and tensile strength, good in environment resistance and organic solvent resistance, excellent in size stability without crack after being used for a long time, long in service life and wide in application prospect.
Description
Technical field
The present invention relates to a kind of PVC and preparation method thereof, be specifically related to a kind of antifatigue PVC and preparation method thereof.
Background technology
PVC is because having excellent chemical stability, and remarkable electrical insulating property and good flexibility and tint permanence, can be used for replacing rubber hose, polyvinyl piping materials, in order to carry liquid, also be used as cable shoe and cable insulating tube etc., apply very extensive.But along with the fast development of scientific and technological level, more and more high to the performance requriements of PVC.PVC in the market also exists the shortcoming of anti-fatigue performance difference, and life-time service easily occurs cracking phenomena, greatly reduces its work-ing life.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, a kind of antifatigue PVC and preparation method thereof is provided, greatly extends the work-ing life of PVC.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of antifatigue PVC, be made up of the raw material of following weight part: SG-2 type PVC 50-70, polyoxymethylene 15-25, barium fluoride 4-8, polyamide wax micropowder 3-6, propolis 4-8, magnesium basic carbonate 6-12, low molecular weight polybutadiene 4.5-6.5, vinyl cyanide/terpolymer EP rubber/styrol copolymer 17-23, di-n-hexyl adipate 8-12, atlapulgite 10-15, p-tert-butyl benzoic acid zinc 2-3, calcium naphthenate 1-2, epoxidized methyl acetorieinoleate 10-15, parathesin 1.5-2.5, 3-(3, 5-di-tert-butyl-hydroxy phenyl) methyl propionate 1-2, auxiliary agent 3-5,
The preparation method of described auxiliary agent is as follows: a, take off the raw material of row weight part: sorb smooth sweet oil acid esters 2-3, microencapsulation Flos Rosae Rugosae quintessence oil 0.5-1, nano-indium stannum oxide 3-5, molybdenum dialkyl-dithiophosphate 1-2, polyethylene glycol dimethacrylate 4-6, pure aluminium silicate 5-8, Di(dioctylpyrophosphato) ethylene titanate 1-2, diatomite in powder 3-5, Salicylanlide 1-2,2-Tert. Butyl Hydroquinone 0.5-1, trimethylolpropane tris (2-mercaptoacetate) 1-2; B, nano-indium stannum oxide, pure aluminium silicate, the smooth sweet oil acid esters of sorb, Di(dioctylpyrophosphato) ethylene titanate together to be dropped in homogenizer, 2000-3000rpm high-speed stirring 4-6min, then polyethylene glycol dimethacrylate, diatomite in powder, microencapsulation Flos Rosae Rugosae quintessence oil is added, 3500-4500rpm high-speed stirring 3-5min, finally add remaining raw material, 1000-1500rpm high-speed stirring 2-3min, is cooled to room temperature.
The preparation method of antifatigue PVC of the present invention, comprises the following steps:
(1) SG-2 type PVC, magnesium basic carbonate, atlapulgite, epoxidized methyl acetorieinoleate, propolis, polyamide wax micropowder are together dropped in homogenizer, 1500-2000rpm high-speed stirring to material temperature stops stirring when reaching 65-75 DEG C, be cooled to room temperature, obtain compound A;
(2) polyoxymethylene, vinyl cyanide/terpolymer EP rubber/styrol copolymer, di-n-hexyl adipate, low molecular weight polybutadiene, barium fluoride are together dropped in homogenizer, 1000-1500rpm high-speed stirring to material temperature stops stirring when reaching 60-70 DEG C, be cooled to room temperature, obtain compound B;
(3) compound A obtained above, compound B and remaining raw material are together dropped in homogenizer, stop stirring when 2000-3000rpm high-speed stirring to material temperature reaches 90-110 DEG C; Then transport material in cold mixer and stir cooling, when temperature of charge is down to 30-40 DEG C, discharging;
(4) deliver in twin screw extruder by the compound that step (3) obtains, under 150-180 DEG C of processing temperature, tubing is made in extrusion moulding.
Beneficial effect of the present invention:
The PVC fatigue performance that the present invention obtains is excellent, and have high fatigue strength and tensile strength, environmental resistance, organic solvent resistance are good, and dimensional stability is excellent, and life-time service does not ftracture, and long service life has a extensive future.
Embodiment
A kind of antifatigue PVC, be made up of the raw material of following weight (kg): SG-2 type PVC 60, polyoxymethylene 20, barium fluoride 6, polyamide wax micropowder 4, propolis 6, magnesium basic carbonate 8, low molecular weight polybutadiene 5.5, vinyl cyanide/terpolymer EP rubber/styrol copolymer 20, di-n-hexyl adipate 10, atlapulgite 12, p-tert-butyl benzoic acid zinc 2.5, calcium naphthenate 1.5, epoxidized methyl acetorieinoleate 12, parathesin 2,3-(3,5-di-tert-butyl-hydroxy phenyl) methyl propionate 1.5, auxiliary agent 4;
The preparation method of described auxiliary agent is as follows: a, take off the raw material of column weight amount (kg): the smooth sweet oil acid esters 2 of sorb, microencapsulation Flos Rosae Rugosae quintessence oil 0.5, nano-indium stannum oxide 3, molybdenum dialkyl-dithiophosphate 1, polyethylene glycol dimethacrylate 4, pure aluminium silicate 5, Di(dioctylpyrophosphato) ethylene titanate 1, diatomite in powder 3, Salicylanlide 1,2-Tert. Butyl Hydroquinone 0.5, trimethylolpropane tris (2-mercaptoacetate) 1; B, nano-indium stannum oxide, pure aluminium silicate, the smooth sweet oil acid esters of sorb, Di(dioctylpyrophosphato) ethylene titanate together to be dropped in homogenizer, 2000rpm high-speed stirring 5min, then polyethylene glycol dimethacrylate, diatomite in powder, microencapsulation Flos Rosae Rugosae quintessence oil is added, 4000rpm high-speed stirring 4min, finally add remaining raw material, 1500rpm high-speed stirring 2min, is cooled to room temperature.
The preparation method of antifatigue PVC, comprises the following steps:
(1) SG-2 type PVC, magnesium basic carbonate, atlapulgite, epoxidized methyl acetorieinoleate, propolis, polyamide wax micropowder are together dropped in homogenizer, 1500-2000rpm high-speed stirring to material temperature stops stirring when reaching 65-75 DEG C, be cooled to room temperature, obtain compound A;
(2) polyoxymethylene, vinyl cyanide/terpolymer EP rubber/styrol copolymer, di-n-hexyl adipate, low molecular weight polybutadiene, barium fluoride are together dropped in homogenizer, 1000-1500rpm high-speed stirring to material temperature stops stirring when reaching 60-70 DEG C, be cooled to room temperature, obtain compound B;
(3) compound A obtained above, compound B and remaining raw material are together dropped in homogenizer, stop stirring when 2000-3000rpm high-speed stirring to material temperature reaches 90-110 DEG C; Then transport material in cold mixer and stir cooling, when temperature of charge is down to 30-40 DEG C, discharging;
(4) deliver in twin screw extruder by the compound that step (3) obtains, under 150-180 DEG C of processing temperature, tubing is made in extrusion moulding.
Above-mentioned obtained PVC Performance Detection is as shown in the table:
| Test item | Detected result |
| Tensile strength (MPa) | 68 |
| Yield strength (MPa) | 59 |
| Fatigue strength (MPa) | 22 |
| Modulus in tension (MPa) | 4980 |
| Bending elastic modulus (GPa) | 3.6 |
| Longitudinal welds (%) | 1.9 |
| Aging coefficient (70 DEG C, 144h) | 0.81 |
Claims (2)
1. an antifatigue PVC, it is characterized in that, be made up of the raw material of following weight part: SG-2 type PVC 50-70, polyoxymethylene 15-25, barium fluoride 4-8, polyamide wax micropowder 3-6, propolis 4-8, magnesium basic carbonate 6-12, low molecular weight polybutadiene 4.5-6.5, vinyl cyanide/terpolymer EP rubber/styrol copolymer 17-23, di-n-hexyl adipate 8-12, atlapulgite 10-15, p-tert-butyl benzoic acid zinc 2-3, calcium naphthenate 1-2, epoxidized methyl acetorieinoleate 10-15, parathesin 1.5-2.5, 3-(3, 5-di-tert-butyl-hydroxy phenyl) methyl propionate 1-2, auxiliary agent 3-5,
The preparation method of described auxiliary agent is as follows: a, take off the raw material of row weight part: sorb smooth sweet oil acid esters 2-3, microencapsulation Flos Rosae Rugosae quintessence oil 0.5-1, nano-indium stannum oxide 3-5, molybdenum dialkyl-dithiophosphate 1-2, polyethylene glycol dimethacrylate 4-6, pure aluminium silicate 5-8, Di(dioctylpyrophosphato) ethylene titanate 1-2, diatomite in powder 3-5, Salicylanlide 1-2,2-Tert. Butyl Hydroquinone 0.5-1, trimethylolpropane tris (2-mercaptoacetate) 1-2; B, nano-indium stannum oxide, pure aluminium silicate, the smooth sweet oil acid esters of sorb, Di(dioctylpyrophosphato) ethylene titanate together to be dropped in homogenizer, 2000-3000rpm high-speed stirring 4-6min, then polyethylene glycol dimethacrylate, diatomite in powder, microencapsulation Flos Rosae Rugosae quintessence oil is added, 3500-4500rpm high-speed stirring 3-5min, finally add remaining raw material, 1000-1500rpm high-speed stirring 2-3min, is cooled to room temperature.
2. a preparation method for antifatigue PVC as claimed in claim 1, is characterized in that comprising the following steps:
(1) SG-2 type PVC, magnesium basic carbonate, atlapulgite, epoxidized methyl acetorieinoleate, propolis, polyamide wax micropowder are together dropped in homogenizer, 1500-2000rpm high-speed stirring to material temperature stops stirring when reaching 65-75 DEG C, be cooled to room temperature, obtain compound A;
(2) polyoxymethylene, vinyl cyanide/terpolymer EP rubber/styrol copolymer, di-n-hexyl adipate, low molecular weight polybutadiene, barium fluoride are together dropped in homogenizer, 1000-1500rpm high-speed stirring to material temperature stops stirring when reaching 60-70 DEG C, be cooled to room temperature, obtain compound B;
(3) compound A obtained above, compound B and remaining raw material are together dropped in homogenizer, stop stirring when 2000-3000rpm high-speed stirring to material temperature reaches 90-110 DEG C; Then transport material in cold mixer and stir cooling, when temperature of charge is down to 30-40 DEG C, discharging;
(4) deliver in twin screw extruder by the compound that step (3) obtains, under 150-180 DEG C of processing temperature, tubing is made in extrusion moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510201373.XA CN104877253A (en) | 2015-04-27 | 2015-04-27 | Anti-fatigue PVC tubular material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510201373.XA CN104877253A (en) | 2015-04-27 | 2015-04-27 | Anti-fatigue PVC tubular material and preparation method thereof |
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| CN104877253A true CN104877253A (en) | 2015-09-02 |
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| CN201510201373.XA Pending CN104877253A (en) | 2015-04-27 | 2015-04-27 | Anti-fatigue PVC tubular material and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102863711A (en) * | 2011-07-06 | 2013-01-09 | 中国石油化工股份有限公司 | Heat-resisting PVC high impact-resisting tubular product and preparation method thereof |
| CN103265777A (en) * | 2013-06-13 | 2013-08-28 | 苏州新区华士达工程塑胶有限公司 | Polyvinyl chloride (PVC) hard modified plastic |
| CN104151741A (en) * | 2014-08-07 | 2014-11-19 | 安徽玉发塑业有限公司 | PVC pipe material with high impact resistance at low temperature and preparation method thereof |
-
2015
- 2015-04-27 CN CN201510201373.XA patent/CN104877253A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102863711A (en) * | 2011-07-06 | 2013-01-09 | 中国石油化工股份有限公司 | Heat-resisting PVC high impact-resisting tubular product and preparation method thereof |
| CN103265777A (en) * | 2013-06-13 | 2013-08-28 | 苏州新区华士达工程塑胶有限公司 | Polyvinyl chloride (PVC) hard modified plastic |
| CN104151741A (en) * | 2014-08-07 | 2014-11-19 | 安徽玉发塑业有限公司 | PVC pipe material with high impact resistance at low temperature and preparation method thereof |
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Application publication date: 20150902 |
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