CN104910453A - Dust cap and preparation method thereof - Google Patents
Dust cap and preparation method thereof Download PDFInfo
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- CN104910453A CN104910453A CN201510257398.1A CN201510257398A CN104910453A CN 104910453 A CN104910453 A CN 104910453A CN 201510257398 A CN201510257398 A CN 201510257398A CN 104910453 A CN104910453 A CN 104910453A
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- parts
- dust cap
- carbon black
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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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- 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
- C08K3/02—Elements
- C08K3/04—Carbon
-
- 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
- C08K3/02—Elements
- C08K3/06—Sulfur
-
- 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
- C08K3/02—Elements
- C08K3/08—Metals
-
- 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
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
- C08K5/18—Amines; Quaternary ammonium compounds with aromatically bound amino groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
-
- 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
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0893—Zinc
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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
-
- 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
- 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 relates to a dust cap which is composed of the components of, by mass, 220-240 parts of NPR rubber, 4-8 parts of magnesium-zinc powder, 0.1-1 parts of stearic acid, 1-3 parts of an auxiliary agent AC617A, 1-2 parts of an antioxidant, 3-5 parts of a binding agent, 0.1-1 parts of sulfur, 1-2 parts of an accelerator TMTD, 1-4 parts of an accelerator DM, 65-75 parts of carbon black spray, 8-12 parts of carbon black N550, and 25-35 parts of calcium carbonate. The dust cap has the advantages of low cost, corrosion resistance, and low temperature affection. With the dust cap, an oil pipe transportation process is safe and is prevented from leakage.
Description
Technical field
The present invention relates to a kind of dust cap, be specifically related to a kind of oil pipe dust cap and preparation method thereof.
Background technology
Oil pipe dust cap on market is used for protecting oil pipe in oil pipe transportation; general dust cap take plastics as starting material; run into temperature variation and can produce phenomenon of expanding with heat and contract with cold; also easily by oil corrosion; thus well cannot fit with oil pipe; cause the generation of the phenomenons such as leakage of oil, thus finally affect the quality of oil pipe, cause direct economic loss.
Summary of the invention
The object of the invention is to overcome defect of the prior art, provide a kind of dust cap, cost is low, corrosion-resistant, and temperature influence is little, can ensure that the transportation safety of oil pipe is not leaked.
The present invention is achieved by the following technical programs.
A kind of dust cap, its composition is as follows according to the mass fraction:
NPR rubber 220-240 part
Magnesium zinc powder 4-8 part
Stearic acid 0.1-1 part
Auxiliary agent A C617A 1-3 part
Anti-aging agent 1-2 part
Tackiness agent 3-5 part
Sulphur 0.1-1 part
Vulcanization accelerator TMTD 1-2 part
Altax 1-4 part
Spraying carbon black 65-75 part
Carbon black N550 8-12 part
Calcium carbonate 25-35 part.
Above-mentioned a kind of dust cap, wherein, the preparation method of described dust cap is: above-mentioned moiety added in mixing roll and carry out mixing elementary material, melting temperature is 110 DEG C-130 DEG C, elementary material is added after carrying out slice in film-discharging machine, add again in vulcanizer carry out mold pressing dust cap finished product, molding temperature is 150-170 DEG C, and pressure is 160-180MPa.
Beneficial effect of the present invention for: the dust cap cost obtained by the present invention is low, temperature influence is less, corrosion-resistant, can ensure that its oil pipe applied does not leak in transportation safety, ensure that the transportation safety of oil pipe, high degree avoid oil pipe direct or indirect financial loss that may cause in transport and storage process, safe and reliable.
Embodiment
Below by way of specific embodiment, the specific embodiment of the present invention is described in further detail.
Embodiment one:
A kind of dust cap, its preparation method is as follows:
(1) 230 parts of NPR rubber, 6 parts of magnesium zinc powders, 0.6 part of stearic acid, 2.6 parts of processing aid AC617A, 0.8 part of antioxidant 4020,4 parts of tackiness agent RH12,0.4 part of sulphur, 0.8 part of Vulcanization accelerator TMTD, 2.5 parts of altaxs, 70 parts of spraying carbon blacks, 10 parts of carbon black N550,30 parts of calcium carbonate to be added in mixing roll by mass fraction and carry out mixing elementary material, melting temperature is 120 DEG C;
(2) after the elementary material that step (1) obtains is added carrying out slice in film-discharging machine, then add in vulcanizer carry out mold pressing dust cap finished product, molding temperature is 160 DEG C, and pressure is 170MPa.
Embodiment two:
A kind of dust cap, its preparation method is as follows:
(1) by mass fraction, 10 parts of N-cyclohexyl-N '-diphenyl-para-phenylene diamines, 5 parts of alkylated diphenylamines, 6.8 parts of N-phenyl-α-aniline, 5 parts of acetone, 5 parts of ethanol heating mixing are obtained anti-aging agent, Heating temperature is 80 DEG C;
(2) 225 parts of NPR rubber, 5.8 parts of magnesium zinc powders, 0.7 part of stearic acid, 2.2 parts of processing aid AC617A, 0.6 part of anti-aging agent, 4.5 parts of tackiness agent RH12,0.5 part of sulphur, 0.6 part of Vulcanization accelerator TMTD, 2.8 parts of altaxs, 68 parts of spraying carbon blacks, 9 parts of carbon black N550,28 parts of calcium carbonate to be added in mixing roll by mass fraction and carry out mixing elementary material, melting temperature is 120 DEG C;
(3) after the elementary material that step (1) obtains is added carrying out slice in film-discharging machine, then add in vulcanizer carry out mold pressing dust cap finished product, molding temperature is 160 DEG C, and pressure is 170MPa.
Embodiment three
A kind of dust cap, its preparation method is as follows:
(1) by mass fraction, 8 parts of polyethylene glycol adipate glycol, 3 part of 2,2-dimethylol propionic acid, 2.8 parts of ethylene glycol, 0.5 part of silicon-dioxide, 4 parts of epoxy resin, 2 parts of latexes and 5 parts of deionized water mixing are obtained tackiness agents;
(2) 235 parts of NPR rubber, 7.3 parts of magnesium zinc powders, 0.5 part of stearic acid, 2.2 parts of processing aid AC617A, 1.1 parts of antioxidant 4020s, 3.8 parts of tackiness agents, 0.5 part of sulphur, 1.2 parts of Vulcanization accelerator TMTDs, 3 parts of altaxs, 72 parts of spraying carbon blacks, 12 parts of carbon black N550,32 parts of calcium carbonate to be added in mixing roll by mass fraction and carry out mixing elementary material, melting temperature is 120 DEG C;
(3) after the elementary material that step (1) obtains is added carrying out slice in film-discharging machine, then add in vulcanizer carry out mold pressing dust cap finished product, molding temperature is 160 DEG C, and pressure is 170MPa.
Embodiment four
A kind of dust cap, its preparation method is as follows:
(1) by mass fraction, 8 parts of polyethylene glycol adipate glycol, 3 part of 2,2-dimethylol propionic acid, 2.8 parts of ethylene glycol, 0.5 part of silicon-dioxide, 4 parts of epoxy resin, 2 parts of latexes and 5 parts of deionized water mixing are obtained tackiness agents;
(2) by mass fraction, 10 parts of N-cyclohexyl-N '-diphenyl-para-phenylene diamines, 5 parts of alkylated diphenylamines, 6.8 parts of N-phenyl-α-aniline, 5 parts of acetone, 5 parts of ethanol heating mixing are obtained anti-aging agent, Heating temperature is 80 DEG C;
(3) 230 parts of NPR rubber, 6 parts of magnesium zinc powders, 0.6 part of stearic acid, 2.6 parts of processing aid AC617A, 0.8 part of antioxidant 4020,4 parts of tackiness agent RH12,0.4 part of sulphur, 0.8 part of Vulcanization accelerator TMTD, 2.5 parts of altaxs, 70 parts of spraying carbon blacks, 10 parts of carbon black N550,30 parts of calcium carbonate to be added in mixing roll by mass fraction and carry out mixing elementary material, melting temperature is 120 DEG C;
(4) after the elementary material that step (1) obtains is added carrying out slice in film-discharging machine, then add in vulcanizer carry out mold pressing dust cap finished product, molding temperature is 160 DEG C, and pressure is 170MPa.
Now obtained to the above-mentioned four groups of embodiments every experiment of dust cap, experimental data is as follows:
| Sequence number | Test subject | Standard value | Test method | Example one | Example two | Example three | Example four |
| 1 | Shore hardness | 70±5 | GB/T 531 | 69 | 68 | 71 | 69 |
| 2 | Tensile strength Mpa | ≥7MPa | GB/T 528 | 8.78 | 8.54 | 8.49 | 8.82 |
| 3 | Elongation at break % | ≥400% | GB/T 528 | 480 | 475 | 468 | 478 |
| 4 | Ageing resistance 100 DEG C × 70h | / | GB/T3512 | / | / | / | / |
| 4.1 | Shore hardness change (HA) | 0-10 | GB/T 531 | 1 | 1 | 1 | 1 |
| 4.2 | Tensile strength | ≥10MPa | GB/T 528 | 10.6 | 10.9 | 9.89 | 10.4 |
| 4.3 | Elongation at break | ≥400% | GB/T 528 | 450 | 442 | 440 | 447 |
| 5 | Compression set (100 DEG C × 22h compresses 25%) % | ≤50 | GB/T 7759 | 32 | 35 | 34 | 31 |
| 6 | Low temperature brittleness-40 DEG C × 3min | Pass through | GB/T 1682 | Pass through | Pass through | Pass through | Pass through |
| 7 | Resistance to ozone (50 ± 5) × 10-8 × 70h | Without be full of cracks | GB/T 7762 | Without be full of cracks | Without be full of cracks | Without be full of cracks | Without be full of cracks |
Experiment proves, the dust cap that the present invention prepares all can reach indices requirement, excellent performance, temperature influence is less, corrosion-resistant, can ensure that its oil pipe applied does not leak in transportation safety, ensure that the transportation safety of oil pipe, high degree avoid oil pipe direct or indirect financial loss that may cause in transport and storage process, safe and reliable.
Here description of the invention and application is illustrative, not wants by scope restriction of the present invention in the above-described embodiments, and therefore, the present invention is not by the restriction of the present embodiment, and the technical scheme that any employing equivalence replacement obtains is all in the scope of protection of the invention.
Claims (2)
1. a dust cap, is characterized by, and its composition is as follows according to the mass fraction:
NPR rubber 220-240 part
Magnesium zinc powder 4-8 part
Stearic acid 0.1-1 part
Auxiliary agent A C617A 1-3 part
Anti-aging agent 1-2 part
Tackiness agent 3-5 part
Sulphur 0.1-1 part
Vulcanization accelerator TMTD 1-2 part
Altax 1-4 part
Spraying carbon black 65-75 part
Carbon black N550 8-12 part
Calcium carbonate 25-35 part.
2. a kind of dust cap as claimed in claim 1, it is characterized by, the preparation method of described dust cap is: above-mentioned moiety added in mixing roll and carry out mixing elementary material, melting temperature is 110 DEG C-130 DEG C, elementary material is added after carrying out slice in film-discharging machine, add again in vulcanizer carry out mold pressing dust cap finished product, molding temperature is 150-170 DEG C, and pressure is 160-180MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510257398.1A CN104910453A (en) | 2015-05-20 | 2015-05-20 | Dust cap and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510257398.1A CN104910453A (en) | 2015-05-20 | 2015-05-20 | Dust cap and preparation method thereof |
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| Publication Number | Publication Date |
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| CN104910453A true CN104910453A (en) | 2015-09-16 |
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| CN201510257398.1A Pending CN104910453A (en) | 2015-05-20 | 2015-05-20 | Dust cap and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101372540A (en) * | 2007-08-24 | 2009-02-25 | 泰州市罡杨橡塑有限公司 | Rubber composition for dust prevention of vibration absorber |
| CN101649099A (en) * | 2009-09-17 | 2010-02-17 | 上海众力汽车部件有限公司 | Durable high-temperature resisting acrylate rubber composition |
| CN101768296A (en) * | 2008-12-31 | 2010-07-07 | 夏永宽 | Special wear-resisting rubber composite |
| CN102731864A (en) * | 2012-05-30 | 2012-10-17 | 芜湖荣基密封系统有限公司 | Reclaimed nitrile rubber sealing ring material |
| CN103703073A (en) * | 2011-07-28 | 2014-04-02 | 日本瑞翁株式会社 | Nitrile-group-containing highly saturated copolymer rubber composition |
-
2015
- 2015-05-20 CN CN201510257398.1A patent/CN104910453A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101372540A (en) * | 2007-08-24 | 2009-02-25 | 泰州市罡杨橡塑有限公司 | Rubber composition for dust prevention of vibration absorber |
| CN101768296A (en) * | 2008-12-31 | 2010-07-07 | 夏永宽 | Special wear-resisting rubber composite |
| CN101649099A (en) * | 2009-09-17 | 2010-02-17 | 上海众力汽车部件有限公司 | Durable high-temperature resisting acrylate rubber composition |
| CN103703073A (en) * | 2011-07-28 | 2014-04-02 | 日本瑞翁株式会社 | Nitrile-group-containing highly saturated copolymer rubber composition |
| CN102731864A (en) * | 2012-05-30 | 2012-10-17 | 芜湖荣基密封系统有限公司 | Reclaimed nitrile rubber sealing ring material |
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Application publication date: 20150916 |