CN102977435B - Inner rubber of steel wire weaved rubber pipe for conveying of liquid carbon dioxide, and preparation method thereof - Google Patents
Inner rubber of steel wire weaved rubber pipe for conveying of liquid carbon dioxide, and preparation method thereof Download PDFInfo
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- CN102977435B CN102977435B CN201210467605.2A CN201210467605A CN102977435B CN 102977435 B CN102977435 B CN 102977435B CN 201210467605 A CN201210467605 A CN 201210467605A CN 102977435 B CN102977435 B CN 102977435B
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Abstract
The invention discloses an inner rubber of a steel wire weaved rubber pipe for conveying of liquid carbon dioxide, and a preparation method thereof. The preparation method comprises the following steps of 1, weighing raw materials according to a weight part ratio, 2, adjusting an open mill temperature to 40-60 DEG C, adjusting a roller distance to below 0.5mm, carrying out plasticization mixing of a chloroprene rubber and a butadiene rubber by an open mill, carrying out batching-off of each five bags, wherein each one of the five bags comprises three rolls, and standing for 5-9 hours for next use, 3, adjusting an internal mixer temperature, carrying out mixing of a chloroprene rubber-butadiene rubber co-plasticization-mixed rubber, a stearic acid and an antiager in an internal mixer, adding white carbon black, universal carbon black, hard clay and light calcium carbonate into the mixed rubber, adding a plasticizer into the mixture, carrying out internal mixing, and discharging the mixed rubber at a discharge temperature less than 120 DEG C, 4, filtering the mixed rubber obtained by the step 3, and standing the filtered rubber tapes for next use, and 5, adding sulphur, an accelerator, magnesium oxide and nano-zinc oxide into the mixed rubber obtained by the step 4, uniformly mixing, feeding the mixture into the open mill, carrying out sheet production, standing, carrying out extrusion, and carrying out vulcanization at a temperature of 151 DEG C for 60min to obtain the inner rubber of the steel wire weaved rubber pipe for conveying of liquid carbon dioxide.
Description
Technical field
Field of rubber materials of the present invention, relates to a kind of delivering liquid carbonic acid gas steel wire weaving sebific duct hose lining specifically, also relates to the preparation method of this material.
Background technology
Liquid carbon dioxide is a kind of special existence of carbon dioxide, has very important relation with pressure and temperature; This pipe to delivering liquid carbonic acid gas has proposed very high requirement, and the one, possess resistance to low temperature, low temperature resistant reaching born 50 ℃ of left and right; The 2nd, carry certain pressure, the 3rd, sebific duct inner glue layer and liquid carbon dioxide are immiscible; According to above-mentioned requirements, chloroprene rubber is best selection.But the neoprene latex rubber unvulcanizate resistance to low temperature that prior art makes is good not, mixed refining process difficulty in process in addition, the easy incipient scorch of sizing material, rubber unvulcanizate is extruded difficulty.
Summary of the invention
For improving above-mentioned deficiency, the present invention a kind of delivering liquid carbonic acid gas steel wire weaving sebific duct hose lining and preparation method be provided, main glue adopts neoprene latex and cis-butadiene cement and uses, add suitable reinforcement and preventing aging system, adopt suitable calendering process, make its resistance to low temperature reach subzero 54 ℃ of left and right, more than the intensity of hose lining reaches 9MPa.The wire braided hose burstpressures that glue makes thus meets the requirement of CGA G-6.6 – 2006 standards more than reaching 16Mpa completely.
Technical scheme of the present invention is:
A delivering liquid carbonic acid gas steel wire weaving sebific duct hose lining, mainly the raw material by following weight part is prepared from: chloroprene rubber 95-115 part, cis-1,4-polybutadiene rubber 15-25 part, stearic acid 0.5-1.5 part, antioxidant D 2-3 part, white carbon black 15-25 part, general carbon black 40-60 part, light calcium carbonate 50-70 part, hard (china) clay 25-35 part, softening agent DOA8-16, nano zine oxide 3-8 part, magnesium oxide 2-6 part, sulphur 0.2-0.7 part, Vulcanization accelerator TMTD 1-2 part.
Above-mentioned delivering liquid carbonic acid gas steel wire weaving sebific duct hose lining, mainly the raw material by following weight part is prepared from: 80 parts of chloroprene rubbers, 20 parts of cis-1,4-polybutadiene rubbers, 1 part of stearic acid, 2.5 parts of antioxidant Ds, 20 parts of white carbon blacks, 50 parts of general carbon blacks, 60 parts of light calcium carbonates, 30 parts of hard (china) claies, softening agent 12,5 parts of nano zine oxides, 4 parts, magnesium oxide, 0.5 part, sulphur, 1.5 parts of Vulcanization accelerator TMTDs.
The above-mentioned liquid carbon dioxide steel wire weaving sebific duct hose lining that send, described anti-aging agent is anti-old D, and described softening agent is DOA, and described promotor is Vulcanization accelerator TMTD, and described general carbon black is N660.
The preparation method of above-mentioned delivering liquid carbonic acid gas steel wire weaving sebific duct hose lining, comprises the following steps:
A takes each raw material by weight;
B adjusts mill temperature: adjust mill temperature to 40-60 ℃, roller square is adjusted to below 0.5mm, and chloroprene rubber and cis-1,4-polybutadiene rubber are moulded to white silk in mill, sheet under five bag three volumes, park 5-9 hour stand-by;
C adjusts Banbury mixer temperature: adjust Banbury mixer temperature to 70-90 ℃, rotating speed 35-45r/min, moulds experienced glue and stearic acid and anti-aging agent mixing 1-3 minute in Banbury mixer altogether by chloroprene rubber and cis-1,4-polybutadiene rubber; Add white carbon black, general carbon black, hard (china) clay, light calcium carbonate again, and add subsequently softening agent, banburying is binder removal after 4 ~ 5 minutes; Dump temperature is controlled at below 120 ℃;
D step c gained rubber unvulcanizate filters: adopt Screw Extrusion filter, with 40-60 mesh filter screen, filter, the adhesive tape after filtration is parked stand-by;
E steps d gained rubber unvulcanizate adds sulphur, promotor and magnesium oxide and nano zine oxide to mix, this step is carried out before going out interior sebific duct, send in mill, mill temperature is controlled at 40-60 ℃, roller square is controlled at 3 ~ 4 millimeters, slice, parks rear extrusion, 151 ℃ of sulfurations, within 60 minutes, obtains delivering liquid carbonic acid gas steel wire weaving sebific duct hose lining.
The preparation method of above-mentioned delivering liquid carbonic acid gas steel wire weaving sebific duct hose lining, described step b adjusts mill temperature: adjust mill temperature to 50 ℃, roller square is adjusted to below 0.5mm, park 8 hours stand-by; C adjusts Banbury mixer temperature: adjust Banbury mixer temperature to 80 ℃, rotating speed 40r/min, by chloroprene rubber, cis-1,4-polybutadiene rubber, stearic acid and anti-aging agent in Banbury mixer mixing 1 minute; Add white carbon black, general carbon black, hard (china) clay, light calcium carbonate again, and add subsequently softening agent, banburying is binder removal after 4 ~ 5 minutes; Dump temperature is controlled at below 120 ℃, and d step c gained rubber unvulcanizate filters: adopt Screw Extrusion filter, with 50 mesh filter screens, filter, the adhesive tape after filtration is parked stand-by; E steps d gained rubber unvulcanizate adds sulphur, promotor and magnesium oxide and nano zine oxide to mix, send in the mill of step a preparation, mill temperature is controlled at 50 ℃, roller square is controlled at 3 ~ 4 millimeters, slice, park rear extrusion, 151 ℃ of sulfurations, within 60 minutes, obtain delivering liquid carbonic acid gas steel wire weaving sebific duct hose lining.
The present invention a kind of preparation method of inner glue layer of the wire braided hose that transmits liquid carbon dioxide is provided, main glue adopts neoprene latex and cis-butadiene cement and uses, add suitable reinforcement and preventing aging system, adopt suitable calendering process, make its resistance to low temperature reach subzero 54 ℃ of left and right, more than the intensity of hose lining reaches 9MPa.The wire braided hose burstpressures that glue makes thus meets the requirement of CGA G-6.6 – 2006 standards more than reaching 16Mpa completely.The cost performance of this delivering liquid carbonic acid gas steel wire weaving sebific duct hose lining is higher, and performance surmounts the hose lining material of existing level, and preparation technology is simple, is applicable to promoting.
Embodiment
Embodiment: take by weight following raw material: chloroprene rubber 95-115 part, cis-1,4-polybutadiene rubber 15-25 part, stearic acid 0.5-1.5 part, antioxidant D 2-3 part, white carbon black 15-25 part, general carbon black 40-60 part, light calcium carbonate 50-70 part, hard (china) clay 25-35 part, softening agent DOA8-16, nano zine oxide 3-8 part, magnesium oxide 2-6 part, sulphur 0.2-0.7 part, Vulcanization accelerator TMTD 1-2 part.
Preparation according to the following steps:
A takes each raw material by weight;
B adjusts mill temperature: adjust mill temperature to 40-60 ℃, roller square is adjusted to below 0.5mm, and chloroprene rubber and cis-1,4-polybutadiene rubber are moulded to white silk in mill, sheet under five bag three volumes, park 5-9 hour stand-by;
C adjusts Banbury mixer temperature: adjust Banbury mixer temperature to 70-90 ℃, rotating speed 35-45r/min, moulds experienced glue and stearic acid and anti-aging agent mixing 1-3 minute in Banbury mixer altogether by chloroprene rubber and cis-1,4-polybutadiene rubber; Add white carbon black, general carbon black, hard (china) clay, light calcium carbonate again, and add subsequently softening agent, banburying is binder removal after 4 ~ 5 minutes; Dump temperature is controlled at below 120 ℃;
D step c gained glue filters: adopt Screw Extrusion filter, with 40-60 mesh filter screen, filter, the adhesive tape after filtration is parked stand-by;
E steps d gained rubber unvulcanizate adds sulphur, promotor and magnesium oxide and nano zine oxide to mix, this step is carried out before going out interior sebific duct, send in mill, mill temperature is controlled at 40-60 ℃, roller square is controlled at 3 ~ 4 millimeters, slice, parks rear extrusion, 151 ℃ of sulfurations, within 60 minutes, obtains delivering liquid carbonic acid gas steel wire weaving sebific duct hose lining.
Following table 1, table 2 and table 3 are specific embodiments of the invention lists:
Table 1 is embodiments of the invention lists
Table 2 is embodiments of the invention lists
Table 3 is embodiments of the invention lists
In above-described embodiment, the model of each raw material and supplier information are as follows:
Levy and be: described anti-aging agent is antioxidant D, described softening agent is DOA, and described promotor is TMTD, and described general carbon black is N660.
。
Claims (4)
1. a delivering liquid carbonic acid gas steel wire weaving sebific duct hose lining, mainly the raw material by following weight part is prepared from: chloroprene rubber 95-115 part, cis-1,4-polybutadiene rubber 15-25 part, stearic acid 0.5-1.5 part, anti-aging agent 2-3 part, white carbon black 15-25 part, general carbon black 40-60 part, light calcium carbonate 50-70 part, hard (china) clay 25-35 part, 12 parts, softening agent, nano zine oxide 3-8 part, magnesium oxide 2-6 part, sulphur 0.2-0.7 part, promotor 1-2 part.
2. delivering liquid carbonic acid gas steel wire weaving sebific duct hose lining according to claim 1, is characterized in that: described anti-aging agent is antioxidant D, and described softening agent is DOA, and described promotor is TMTD, and described general carbon black is N660.
3. a preparation method for delivering liquid carbonic acid gas steel wire claimed in claim 1 weaving sebific duct hose lining, comprises the following steps:
A takes each raw material by weight;
B adjusts mill temperature: adjust mill temperature to 40-60 ℃, roller square is adjusted to below 0.5mm, and chloroprene rubber and cis-1,4-polybutadiene rubber are moulded to white silk in mill, sheet under five bag three volumes, park 5-9 hour stand-by;
C adjusts Banbury mixer temperature: adjust Banbury mixer temperature to 70-90 ℃, rotating speed 35-45r/min, moulds experienced glue and stearic acid and anti-aging agent mixing 1-3 minute in Banbury mixer altogether by chloroprene rubber and cis-1,4-polybutadiene rubber; Add white carbon black, general carbon black, hard (china) clay, light calcium carbonate again, and add subsequently softening agent DOA, banburying is binder removal after 4 ~ 5 minutes; Dump temperature is controlled at below 120 ℃;
D step c gained glue filters: adopt Screw Extrusion filter, with 40-60 mesh filter screen, filter, the adhesive tape after filtration is parked stand-by;
E steps d gained rubber unvulcanizate adds sulphur, promotor and magnesium oxide and nano zine oxide to mix, this step is carried out before going out interior sebific duct, send in mill, mill temperature is controlled at 40-60 ℃, roller square is controlled at 3 ~ 4 millimeters, slice, parks rear extrusion, 151 ℃ of sulfurations, within 60 minutes, obtains delivering liquid carbonic acid gas steel wire weaving sebific duct hose lining.
4. a preparation method for delivering liquid carbonic acid gas steel wire claimed in claim 3 weaving sebific duct hose lining, is characterized in that: described step b adjusts mill temperature: adjust mill temperature to 50 ℃, roller square is adjusted to below 0.5mm, park 8 hours stand-by; C adjusts Banbury mixer temperature: adjust Banbury mixer temperature to 80 ℃, rotating speed 40r/min, by chloroprene rubber, cis-1,4-polybutadiene rubber, stearic acid and anti-aging agent in Banbury mixer mixing 1 minute; Add white carbon black, general carbon black, hard (china) clay, light calcium carbonate again, and add subsequently softening agent, banburying is binder removal after 4 ~ 5 minutes; Dump temperature is controlled at below 120 ℃, and d step c gained rubber unvulcanizate filters: adopt Screw Extrusion filter, with 50 mesh filter screens, filter, the adhesive tape after filtration is parked stand-by; E steps d gained rubber unvulcanizate adds sulphur, promotor and magnesium oxide and nano zine oxide to mix, send in the mill of step a preparation, mill temperature is controlled at 50 ℃, roller square is controlled at 3 ~ 4 millimeters, slice, park rear extrusion, 151 ℃ of sulfurations, within 60 minutes, obtain delivering liquid carbonic acid gas steel wire weaving sebific duct hose lining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210467605.2A CN102977435B (en) | 2012-11-19 | 2012-11-19 | Inner rubber of steel wire weaved rubber pipe for conveying of liquid carbon dioxide, and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210467605.2A CN102977435B (en) | 2012-11-19 | 2012-11-19 | Inner rubber of steel wire weaved rubber pipe for conveying of liquid carbon dioxide, and preparation method thereof |
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| CN102977435A CN102977435A (en) | 2013-03-20 |
| CN102977435B true CN102977435B (en) | 2014-11-05 |
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| CN105216350A (en) * | 2015-08-26 | 2016-01-06 | 河北远大新特橡塑有限公司 | A kind of wire braided hose production method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101333307A (en) * | 2008-06-27 | 2008-12-31 | 南京固柏橡塑制品有限公司 | Cold resistant rubber |
| CN101353453A (en) * | 2007-07-27 | 2009-01-28 | 铁道科学研究院金属及化学研究所 | Chloroprene rubber composition having improved cold tolerance |
| CN101531781A (en) * | 2009-03-30 | 2009-09-16 | 开开电缆科技有限公司 | Sheath rubber for wind electric power generation cable |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001192505A (en) * | 2000-01-12 | 2001-07-17 | Jsr Corp | Rubber composition |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101353453A (en) * | 2007-07-27 | 2009-01-28 | 铁道科学研究院金属及化学研究所 | Chloroprene rubber composition having improved cold tolerance |
| CN101333307A (en) * | 2008-06-27 | 2008-12-31 | 南京固柏橡塑制品有限公司 | Cold resistant rubber |
| CN101531781A (en) * | 2009-03-30 | 2009-09-16 | 开开电缆科技有限公司 | Sheath rubber for wind electric power generation cable |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2001-192505A 2001.07.17 * |
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Address after: 462000 Private Industrial Park, Luohe Economic Development Zone, Henan Applicant after: Luohe Letone-Flex Technology Co., Ltd. Address before: 462000 Private Industrial Park, Luohe Economic Development Zone, Henan Applicant before: Luohe Letone Rubber Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: LUOHE LETONE RUBBER CO., LTD. TO: LUOHE LETONE-FLEX TECHNOLOGY CO., LTD. |
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