CN103450568B - A kind of REPDM/RIIR elastomerics and preparation method thereof - Google Patents
A kind of REPDM/RIIR elastomerics and preparation method thereof Download PDFInfo
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Abstract
A kind of REPDM/RIIR elastomerics and preparation method thereof, relate to a kind of elastomer material and preparation method thereof, this water-proof material is made up of the mass parts of following constituent: 100 parts of REPDM and RIIR also use, 1 ~ 2 part of Sulfur, 0.9 ~ 2 part of promotor, 2.5 ~ 8 parts of vulcanization levellers, 0 ~ 20 part of carbon black.EPDM and IIR also has good process compatibility with the two, can obtain good over-all properties.Blend compounds can adopt Sulfur, superoxide, ester class and resin to carry out sulfuration, and their vulcanization rate is more close, easily forms covulcanization material.The present invention utilizes REPDM, RIIR to replace EPDM, IIR completely, reduces the cost of water-proof material, make water-proof material easy-formation with the use of strengthening agent, vulcanization aid, improves the binding property with matrix.Obtain through experimental study and there is resistance to ozone, weathering resistance, low temperature resistant, the aging outstanding REPDM/RIIR water-proof material of resistant to chemical media, hot air.
Description
Technical field
The present invention relates to a kind of elastomer material and preparation method thereof, particularly relate to a kind of REPDM/RIIR elastomerics and preparation method thereof.
Background technology
The process of waste rubber is one of serious problems of facing of society.In order to meet the material performance requirement improved constantly, rubber is gradually towards high strength, wear-resisting, stable and ageing-resistant future development, but the rubber after discarded over a long time can not natural degradation, cause black pollution more unmanageable than plastic pollution (white pollution), waste valuable rubber sources.Leakage of buildings is the difficult problem of China's building trade always.At present, China's building leakage rate is very high, and major cause is that water-proof material is of low grade, of poor quality.Therefore, very large in the demand of China's high performance water proof material, but because Cost Problems is very difficult, high performance water-proof material is spread in building trade.Therefore, waste rubber reclaimed rubber after treatment will be the desirable feedstock preparing low-cost and high-performance water-proof material.
EPDM and IIR also has good process compatibility with the two, EPDM/IIR water-proof material have weather-proof, hot air is aging, resistance to ozone, resistant to chemical media, the excellent over-all properties such as water-fast, low temperature resistant, EPDM and IIR also by the binding property that also can improve water-proof material, can obtain good comprehensive mechanical performance.Due to the two price all costly, the therefore preparation of REPDM/RIIR water-proof material, not only solves the problem that cost is high, achieves again the utilization of reclaimed rubber.And do not appear in the newspapers about the introduction of REPDM/RIIR water-proof material this respect in document patent.
Summary of the invention
The object of the present invention is to provide a kind of REPDM/RIIR elastomerics and preparation method thereof, the present invention utilizes REPDM, RIIR to replace EPDM, IIR, the cost of water-proof material is reduced with the use of strengthening agent, vulcanization aid, make water-proof material easy-formation, improve the binding property with matrix, this kind of elastomerics can be used as water-proof material, and its preparation method is simple, with low cost.
The object of the invention is to be achieved through the following technical solutions:
A kind of REPDM/RIIR elastomerics, is made up of the mass parts of following constituent: 100 parts of REPDM and RIIR use, 1 ~ 2 part of Sulfur, 0.9 ~ 2 part of promotor, 2.5 ~ 8 parts of vulcanization levellers, 0 ~ 20 part of carbon black.
A kind of REPDM/RIIR elastomerics of the present invention, the carbon black described in it can be medium super abrasion furnace black (N220) that Qingdao Kai Bote rubber and plastics auxiliaries company limited produces, high abrasion furnace black(HAF) (N330) or fast extruding furnace black (N550).
A kind of REPDM/RIIR elastomerics of the present invention, vulcanization accelerator described in it can be N cyclohexyl 2 benzothiazole sulfenamide (CZ) that Shijiazhuang City Mao Feng Chemical Co., Ltd. produces, ziram (BZ), zinc dibutyl dithiocarbamate (PZ), tetramethyl-thiuram disulfide (TMTD), benzothiazolyl mercaptan (M) or benzothiazyl disulfide (DM) are used alone, or this several promotor two kinds or this two or more combinationally using.
A kind of REPDM/RIIR elastomerics of the present invention, the stearic acid that the vulcanization leveller described in it is produced for the prosperous Chemical Co., Ltd. of Shenyang three prestige, both the zinc oxide of Huludao Zinc Industry Co., Ltd.'s production are combined.
A kind of REPDM/RIIR elastomerics, its preparation process:
A. first by REPDM and RIIR on a mill until thin-pass for several times make it to mix, then add zinc oxide, stearic acid successively, mixing evenly after add carbon black, add promotor after mixing, finally add vulcanizing agent; Rubber unvulcanizate is packed 10 times afterwards, mixes bottom sheet, park 24 hours stand-by;
B. will park the film back mixing bottom sheet again of 24 hours, stay with stand-by;
C. be put on vulcanizing press by the back mixing glue in step b and carry out sulfuration, temperature controls at 160 DEG C, measures t during sulfuration with rubber without rotor vulkameter
10and t
90, M
land M
h(each embodiment test result is in table 1); After time of arrival, taking out cross-linked rubber, by its naturally cooling, namely obtaining REPDM/RIIR elastomerics, for measuring mechanical property.
Opening rubber mixing machine used in experiment is that Huanqiu Machinery Co., Ltd., Qingdao produces, and model is XK-160; Rubber is that Taiwan high ferro Science and Technology Co., Ltd. produces without rotor vulkameter, and model is GT-M2000-A; Vulcanizing press is that Huanqiu Machinery Co., Ltd., Qingdao produces, and model is XLB-DQ400 × 400 × 2E; Electronic tensile test machine is that Rui Geer Instrument Ltd. of Shenzhen produces, and model is RGL-30A; Shao Er hardness is counted Yingkou Material Test Maching Factory and is produced, and model is XHS; Sheet-punching machine is that Shanghai chemical machinery four factory produces, and model is CP-25.
Advantage of the present invention and effect are:
1, a kind of REPDM/RIIR elastomerics of the present invention, the excellent properties such as this elastomerics can be used for waterproofing work, and this water-proof material has resistance to ozone, weathering resistance, low temperature resistant, resistant to chemical media, hot air are aging.
2, a kind of REPDM/RIIR elastomers method of the present invention is simple, and this elastomerics can be used for water-proof material, the with low cost and binding property that improve between water-proof material and base material of this water-proof material.
Embodiment
Embodiment 1:
In the present embodiment, the vulcanization system of employing is Sulfur, BZ, M composition, and vulcanization leveller is zinc oxide with stearic acid with the use of, specifically formula: REPDM80 part, RIIR20 part, BZ1.5 part, DM0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, Sulfur 1.5 parts.
REPDM/RIIR elastomerics described in the present embodiment, its preparation process:
A. first by REPDM and RIIR on a mill until thin-pass for several times make it to mix, then add zinc oxide, stearic acid, after mixing, add promotor, finally add Sulfur; Rubber unvulcanizate is packed 10 times afterwards, mixes bottom sheet, park 24 hours stand-by;
B. will park the film back mixing bottom sheet again of 24 hours, stay with stand-by;
C. be put on vulcanizing press by the back mixing glue in step b and carry out sulfuration, temperature controls at 160 DEG C, measures t during sulfuration with rubber without rotor vulkameter
10and t
90, M
land M
h(each embodiment test result is in table 1); After time of arrival, taking out cross-linked rubber, by its naturally cooling, namely obtaining REPDM/RIIR elastomerics, for measuring mechanical property.
REPDM/RIIR elastomerics described in the present embodiment, performance test is divided into tensile property to test, and is undertaken by GB/T528-2009; Tear resistance is tested, and is undertaken by GB/T529-2008; Shao Er hardness test, is undertaken by GB/T531.1-2008.REPDM/RIIR elastomerics described in the present embodiment, its mechanical experimental results is shown in Table 2.
Embodiment 2:
The difference of the present embodiment and embodiment 1 is, changes the kind of promotor, specifically fills a prescription: REPDM80 part, RIIR20 part, BZ1.5 part, M0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, Sulfur 1.5 parts.REPDM/RIIR elastomerics described in the present embodiment, its mechanical experimental results is shown in Table 2.
Embodiment 3:
The difference of the present embodiment and embodiment 1 is, changes the kind of promotor, specifically fills a prescription: REPDM80 part, RIIR20 part, PZ1.5 part, DM0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, Sulfur 1.5 parts.REPDM/RIIR elastomerics described in the present embodiment, its mechanical experimental results is shown in Table 2.
Embodiment 4:
The difference of the present embodiment and embodiment 1 is, changes the kind of promotor, specifically fills a prescription: REPDM80 part, RIIR20 part, PZ1.5 part, M0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, Sulfur 1.5 parts.REPDM/RIIR elastomerics described in the present embodiment, its mechanical experimental results is shown in Table 2.
Embodiment 5:
The difference of the present embodiment and embodiment 1 is, changes the kind of promotor, specifically fills a prescription: REPDM80 part, RIIR20 part, TMTD1.5 part, DM0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, Sulfur 1.5 parts.REPDM/RIIR elastomerics described in the present embodiment, its mechanical experimental results is shown in Table 2.
Embodiment 6:
The difference of the present embodiment and embodiment 1 is, changes the kind of promotor, specifically fills a prescription: REPDM80 part, RIIR20 part, TMTD1.5 part, M0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, Sulfur 1.5 parts.REPDM/RIIR elastomerics described in the present embodiment, its mechanical experimental results is shown in Table 2.
Embodiment 7:
The difference of the present embodiment and embodiment 1 is, changes the kind of promotor, specifically fills a prescription: REPDM100 part, RIIR20 part, PZ1 part, TMTD0.5 part, DM0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, Sulfur 1.5 parts.REPDM/RIIR elastomerics described in the present embodiment, its mechanical experimental results is shown in Table 2.
Embodiment 8:
The difference of the present embodiment and embodiment 1 is, changes the kind of promotor, specifically fills a prescription: REPDM80 part, RIIR20 part, PZ0.5 part, BZ0.5, TMTD0.5 part, DM0.2, M0.3 part, 5 parts, zinc oxide, stearic acid 3 parts, Sulfur 1.5 parts.REPDM/RIIR elastomerics described in the present embodiment, its mechanical experimental results is shown in Table 2.
Embodiment 9:
The difference of the present embodiment and embodiment 1 is, changes the kind of promotor, specifically fills a prescription: REPDM80 part, RIIR20 part, PZ0.5 part, TMTD1 part, M0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, Sulfur 1.5 parts.REPDM/RIIR elastomerics described in the present embodiment, its mechanical experimental results is shown in Table 2.
Embodiment 10:
The difference of the present embodiment and embodiment 1 is, changes the kind of promotor, specifically fills a prescription: REPDM80 part, RIIR20 part, PZ0.5 part, TMTD0.5 part, BZ0.5, DM0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, Sulfur 1.5 parts.REPDM/RIIR elastomerics described in the present embodiment, its mechanical experimental results is shown in Table 2.
Embodiment 11:
The difference of the present embodiment and embodiment 1 is, changes the kind of promotor, concrete formula REPDM80 part, RIIR20 part, BZ0.5 part, TMTD1 part, M0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, Sulfur 1.5 parts.REPDM/RIIR elastomerics described in the present embodiment, its mechanical experimental results is shown in Table 2.
Embodiment 12:
The difference of the present embodiment and embodiment 1 is, changes the kind of promotor, specifically fills a prescription: REPDM80 part, RIIR20 part, PZ0.5 part, TMTD0.5 part, BZ0.5 part, M0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, Sulfur 1.5 parts.REPDM/RIIR elastomerics described in the present embodiment, its mechanical experimental results is shown in Table 2.
Embodiment 13:
The difference of the present embodiment and embodiment 1 is, changes the kind of promotor, specifically fills a prescription: REPDM80 part, RIIR20 part, BZ0.5 part, TMTD1 part, M0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, Sulfur 1.5 parts.REPDM/RIIR elastomerics described in the present embodiment, its mechanical experimental results is shown in Table 2.
Embodiment 14:
The difference of the present embodiment and embodiment 1 is, the vulcanization system that rubber unvulcanizate part adopts is Sulfur, TMTD, BZ, DM composition, and additionally add N330, sulfuration promoting agent is stearic acid and zinc oxide and uses.Concrete formula: REPDM80 part, RIIR20 part, TMTD1 part, BZ0.5 part, DM0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, N3305 part, Sulfur 1.5 parts.
REPDM/RIIR elastomerics described in the present embodiment, its preparation process:
A. first by REPDM and RIIR on a mill until thin-pass for several times, then add zinc oxide, stearic acid, mixing evenly after add N330, add promotor after mixing, finally add Sulfur; Rubber unvulcanizate is packed 10 times afterwards, mixes bottom sheet, park 24 hours stand-by;
B. will park the film back mixing bottom sheet again of 24 hours, stay with stand-by;
C. be put on vulcanizing press by the back mixing glue in step b and carry out sulfuration, temperature controls at 160 DEG C, measures t during sulfuration with rubber without rotor vulkameter
10and t
90, M
land M
h(each embodiment test result is in table 1); After time of arrival, taking out cross-linked rubber, by its naturally cooling, namely obtaining REPDM/RIIR elastomerics, for measuring mechanical property.
REPDM/RIIR elastomerics described in the present embodiment, its mechanical experimental results is shown in Table 2.
Embodiment 15:
The difference of the present embodiment and embodiment 1 is, the vulcanization system of employing is Sulfur, TMTD, BZ, DM composition, additionally adds N330, and sulfuration promoting agent is stearic acid and zinc oxide and uses.Concrete formula: REPDM80 part, RIIR20 part, TMTD1 part, BZ0.5 part, DM0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, N33010 part, Sulfur 1.5 parts.REPDM/RIIR elastomerics described in the present embodiment, its mechanical experimental results is shown in Table 2.
Embodiment 16:
The difference of the present embodiment and embodiment 1 is, the vulcanization system of employing is Sulfur, TMTD, BZ, DM composition, additionally adds N330, and sulfuration promoting agent is stearic acid and zinc oxide and uses.Concrete formula: REPDM80 part, RIIR20 part, TMTD1 part, BZ0.5 part, DM0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, N33015 part, Sulfur 1.5 parts.REPDM/RIIR elastomerics described in the present embodiment, its mechanical experimental results is shown in Table 2.
Embodiment 17:
The difference of the present embodiment and embodiment 1 is, the vulcanization system of employing is Sulfur, TMTD, BZ, DM composition, additionally adds N330, and sulfuration promoting agent is stearic acid and zinc oxide and uses.Concrete formula: REPDM80 part, RIIR20 part, TMTD1 part, BZ0.5 part, DM0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, N33020 part, Sulfur 1.5 parts.REPDM/RIIR elastomerics described in the present embodiment, its mechanical experimental results is shown in Table 2.
Embodiment 18:
The difference of the present embodiment and embodiment 1 is, changes REPDM and RIIR mass parts ratio, and the vulcanization system of employing is Sulfur, TMTD, M form, and sulfuration promoting agent is stearic acid and zinc oxide and uses.Concrete formula: REPDM50 part, RIIR50 part, TMTD1.5 part, M0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, Sulfur 1.5 parts.REPDM/RIIR elastomerics described in the present embodiment, its mechanical experimental results is shown in Table 2.
Embodiment 19:
The difference of the present embodiment and embodiment 1 is, changes REPDM and RIIR mass parts ratio, and the vulcanization system of employing is Sulfur, TMTD, M form, and sulfuration promoting agent is stearic acid and zinc oxide and uses.Concrete formula: REPDM60 part, RIIR40 part, TMTD1.5 part, M0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, Sulfur 1.5 parts.REPDM/RIIR elastomerics described in the present embodiment, its mechanical experimental results is shown in Table 2.
Embodiment 20:
The difference of the present embodiment and embodiment 1 is, changes REPDM and RIIR mass parts ratio, and the vulcanization system of employing is Sulfur, TMTD, M form, and sulfuration promoting agent is stearic acid and zinc oxide and uses.Concrete formula: REPDM70 part, RIIR30 part, TMTD1.5 part, M0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, Sulfur 1.5 parts.REPDM/RIIR elastomerics described in the present embodiment, its mechanical experimental results is shown in Table 2.
Embodiment 21:
The difference of the present embodiment and embodiment 1 is, changes REPDM and RIIR mass parts ratio, and the vulcanization system of employing is Sulfur, TMTD, M form, and sulfuration promoting agent is stearic acid and zinc oxide and uses.Concrete formula: REPDM90 part, RIIR10 part, TMTD1.5 part, M0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, Sulfur 1.5 parts.REPDM/RIIR elastomerics described in the present embodiment, its mechanical experimental results is shown in Table 2.
The each embodiment cure data of table 1
| Test event | M H/dN·m | M L/dN·m | t 10/min | t 90/min |
| Embodiment 1 | 3 | 0 | 1:31 | 18:52 |
| Embodiment 2 | 3 | 0 | 1:13 | 14:50 |
| Embodiment 3 | 3 | 0 | 2:12 | 10:10 |
| Embodiment 4 | 2 | 0 | 0:51 | 15:37 |
| Embodiment 5 | 3 | 0 | 2:51 | 12:38 |
| Embodiment 6 | 3 | 0 | 0:55 | 13:56 |
| Embodiment 7 | 3 | 0 | 2:01 | 10:48 |
| Embodiment 8 | 3 | 0 | 1:21 | 10:37 |
| Embodiment 9 | 3 | 0 | 1:40 | 10:37 |
| Embodiment 10 | 3 | 0 | 1:36 | 9:56 |
| Embodiment 11 | 3 | 0 | 2:14 | 10:02 |
| Embodiment 12 | 3 | 0 | 1:09 | 10:41 |
| Embodiment 13 | 3 | 0 | 1:40 | 10:32 |
| Embodiment 14 | 2 | 0 | 2:11 | 11;45 |
| Embodiment 15 | 3 | 0 | 2:12 | 10:10 |
| Embodiment 16 | 3 | 0 | 2:05 | 9:12 |
| Embodiment 17 | 3 | 0 | 2:04 | 8:21 |
| Embodiment 18 | 2 | 0 | 2:11 | 11:45 |
| Embodiment 19 | 3 | 0 | 2:12 | 10:10 |
| Embodiment 20 | 3 | 0 | 2:05 | 9:12 |
| Embodiment 21 | 3 | 0 | 2:04 | 8:21 |
The each embodiment mechanical property of table 2
| Test event | Tensile strength/MPa | Elongation at break/% | Tear strength/KN/m | Hardness/degree |
| Embodiment 1 | 6.1 | 357 | 22 | 62 |
| Embodiment 2 | 5.6 | 339 | 21 | 65 |
| Embodiment 3 | 6.0 | 366 | 21 | 64 |
| Embodiment 4 | 6.0 | 348 | 21 | 66 |
| Embodiment 5 | 5.6 | 363 | 21 | 61 |
| Embodiment 6 | 5.6 | 344 | 20 | 65 |
| Embodiment 7 | 6.3 | 334 | 19 | 65 |
| Embodiment 8 | 6.5 | 338 | 20 | 63 |
| Embodiment 9 | 5.8 | 317 | 24 | 66 |
| Embodiment 10 | 6.4 | 339 | 23 | 66 |
| Embodiment 11 | 7.1 | 340 | 23 | 65 |
| Embodiment 12 | 6.9 | 325 | 22 | 62 |
| Embodiment 13 | 6.1 | 326 | 25 | 62 |
| Embodiment 14 | 5.7 | 299 | 20 | 74 |
| Embodiment 15 | 6.0 | 223 | 22 | 77 |
| Embodiment 16 | 6.6 | 176 | 21 | 80 |
| Embodiment 17 | 6.5 | 157 | 23 | 83 |
| Embodiment 18 | 4.7 | 359 | 20 | 61 |
| Embodiment 19 | 5.3 | 338 | 22 | 62 |
| Embodiment 20 | 6.0 | 366 | 21 | 64 |
| Embodiment 21 | 5.9 | 237 | 24 | 67 |
Claims (6)
1. a REPDM/RIIR elastomerics, is characterized in that, is made up of the mass parts of following constituent: REPDM80 part, RIIR20 part, PZ1.5 part, DM0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, Sulfur 1.5 parts.
2. a REPDM/RIIR elastomerics, is characterized in that, is made up of the mass parts of following constituent: REPDM80 part, RIIR20 part, PZ1.5 part, M0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, Sulfur 1.5 parts.
3. a REPDM/RIIR elastomerics, is characterized in that, is made up of the mass parts of following constituent: REPDM100 part, RIIR20 part, PZ1 part, TMTD0.5 part, DM0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, Sulfur 1.5 parts.
4. a REPDM/RIIR elastomerics, is characterized in that, is made up of the mass parts of following constituent: REPDM80 part, RIIR20 part, BZ0.5 part, TMTD1 part, M0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, Sulfur 1.5 parts.
5. a REPDM/RIIR elastomerics, is characterized in that, is made up of the mass parts of following constituent: REPDM80 part, RIIR20 part, PZ0.5 part, TMTD0.5 part, BZ0.5 part, M0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, Sulfur 1.5 parts.
6. a REPDM/RIIR elastomerics, is characterized in that, is made up of the mass parts of following constituent: REPDM70 part, RIIR30 part, TMTD1.5 part, M0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, Sulfur 1.5 parts.
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| CN103821321A (en) * | 2014-03-13 | 2014-05-28 | 苏州市相城区明达复合材料厂 | Mold-proof rubber floor |
| CN104356775A (en) * | 2014-11-11 | 2015-02-18 | 沈阳化工大学 | REPDM/RIIR waterproof paint and preparation method thereof |
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