CN103435919B - A kind of REPDM/RIIR/POE elastomerics and preparation method thereof - Google Patents
A kind of REPDM/RIIR/POE elastomerics and preparation method thereof Download PDFInfo
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Abstract
A kind of REPDM/RIIR/POE elastomerics and preparation method thereof, relates to a kind of elastomer material and preparation method thereof, its Main Components (mass parts): REPDM and the RIIR of 100 parts also uses, 1 ~ 2 part of Sulfur, 0.9 ~ 2 part of promotor, 2.5 ~ 8 parts of vulcanization levellers, 0 ~ 20 part of carbon black.The present invention adopts REPDM, RIIR to replace EPDM, IIR completely, thus reduces water-proof material cost, simplifies its course of processing.The present invention is to regenerate terpolymer EP rubber (referred to as REPDM), and adding portion isobutene-diene rubber regeneration (being called for short RIIR) and polyolefin elastomer (referred to as POE) have excellent heat-proof aging and anti-ultraviolet property.POE and EPDM, IIR structure are all similar, and triplicity uses good processing characteristics, therefore can obtain the REPDM/RIIR/POE of the excellent combination properties such as long service life, cold-resistant, weather-proof, resistance to ozone, hot air be aging, for water-proof material.
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/POE elastomerics and preparation method thereof.
Background technology
In China's building trade, construction waterproofing engineering is considered as important and difficult issues always, and macromolecular material has absolute advantage in water-proof material market, but because it is expensive, the factors such as state of the art is backward, are often utilized less in building trade.EPDM/IIR water-proof material have weather-proof, hot air is aging, resistance to ozone, resistant to chemical media, resistance to water vapor, the excellent over-all properties such as low temperature resistant, EPDM, IIR by the binding property that can also improve between water-proof material and base material.EPDM and IIR is substituted completely for REPDM and RIIR and prepares water-proof material, both reduced cost, and acted on again the excellent properties of EPDM and IIR.Therefore, REPDM, RIIR with being the excellent raw material preparing water-proof material.
POE is for being octene, ethylene copolymer, and wherein physical crosslinking point is played in Polyethylene Chain crystallizing field, and the introducing of a certain amount of octene weakens the crystallizing field of Polyethylene Chain, defines the unformed area presenting caoutchouc elasticity; POE is thermoplastic elastomer, and its molecular weight distribution is relatively narrow, and short-chain branch is evenly distributed.The salient features made it because of the above constructional feature of POE is very outstanding, has exceeded conventional elastomers in very many-sided performance index.POE and EPDM is all similar with IIR structure, has and has the excellent properties such as resistance to ozone, ageing-resistant, resistant to chemical media.After crosslinked, POE can improve the high thermal resistance of material, and makes the use temperature wide ranges of material, and the life-span is long, good combination property.Therefore the research and preparation for REPDM/RIIR/POE water-proof material becomes particularly important.
Summary of the invention
The object of the present invention is to provide a kind of REPDM/RIIR/POE elastomerics and preparation method thereof, POE is with the addition of in system, its structure and EPDM with IIR are all similar, the excellent combination property such as make REPDM/RIIR/POE water-proof material long service life, cold-resistant, weather-proof, resistance to ozone, hot air aging and easily bonding with substrate surface.
The object of the invention is to be achieved through the following technical solutions:
A kind of REPDM/RIIR/POE elastomerics, the mass parts of constituent, comprising: REPDM and the RIIR of 100 parts 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/POE elastomerics of the present invention, the POE described in it is 8180 types or 8150 types of the production of LG-DOW company.
A kind of REPDM/RIIR/POE 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/POE 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/POE elastomers step:
A. first plasticator temperature is adjusted to 85 DEG C, when temperature reaches, by REPDM and RIIR on plasticator thin-pass for several times, mixing evenly after add POE, make it to be dispersed in rubber matrix;
B. the rubber mixed in a. is added zinc oxide, stearic acid on a mill until 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;
C. will park the film back mixing bottom sheet again of 24 hours, stay with stand-by;
D. be put on vulcanizing press by the back mixing glue in step c 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(section Example test result is in table 1); After time of arrival, taking out cross-linked rubber, by its naturally cooling, namely obtaining REPDM/RIIR/POE elastomerics, for measuring mechanical property.
Advantage of the present invention and effect are:
1, a kind of REPDM/RIIR/POE elastomerics of the present invention can be used as water-proof material, POE is with the addition of in system, its structure and EPDM with IIR are all similar, the excellent combination property such as make REPDM/RIIR/POE water-proof material long service life, cold-resistant, weather-proof, resistance to ozone, hot air aging and easily bonding with substrate surface.
2, a kind of REPDM/RIIR/POE elastomerics of the present invention can be used as water-proof material, and the simple environmental protection of its preparation method is with low cost.
Opening rubber mixing machine used in experiment is that Huanqiu Machinery Co., Ltd., Qingdao produces, and model is XK-160; Open refining glue (moulding) machine is that Shanghai double-vane rubber and plastics machine company limited produces, and model is X (S) K-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.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1:
In the present embodiment, the vulcanization system of employing is Sulfur, BZ, DM composition, and vulcanization leveller is zinc oxide with stearic acid with the use of, interpolation POE (8150).Concrete formula: REPDM80 part, RIIR20 part, TMTD1 part, BZ0.5 part, DM0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, POE (8150) 1 parts, Sulfur 1.5 parts.
REPDM/RIIR/POE elastomerics described in the present embodiment, its preparation process:
A. first plasticator temperature is adjusted to 85 DEG C, when Wen Wendu reaches, by REPDM and RIIR on plasticator thin-pass for several times, mixing evenly after add POE, make it to be dispersed in rubber matrix;
B. the rubber mixed in a. is added zinc oxide, stearic acid on a mill until 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;
C. will park the film back mixing bottom sheet again of 24 hours, stay with stand-by;
D. be put on vulcanizing press by the back mixing glue in step c 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(section Example test result is in table 1); After time of arrival, taking out cross-linked rubber, by its naturally cooling, namely obtaining REPDM/RIIR/POE elastomerics, for measuring mechanical property.
REPDM/POE 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/POE 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 quality of POE (8150), specifically fills a prescription: REPDM80 part, RIIR20 part, TMTD1 part, BZ0.5 part, DM0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, POE (8150) 3 parts, Sulfur 1.5 parts.REPDM/RIIR/POE 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 quality of POE (8150), specifically fills a prescription: REPDM80 part, RIIR20 part, TMTD1 part, BZ0.5 part, DM0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, POE (8150) 5 parts, Sulfur 1.5 parts.REPDM/RIIR/POE 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 quality of POE (8150), specifically fills a prescription: REPDM80 part, RIIR20 part, TMTD1 part, BZ0.5 part, DM0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, POE (8150) 7 parts, Sulfur 1.5 parts.REPDM/RIIR/POE 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 quality of POE (8150), specifically fills a prescription: REPDM80 part, RIIR20 part, TMTD1 part, BZ0.5 part, DM0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, POE (8150) 9 parts, Sulfur 1.5 parts.REPDM/RIIR/POE 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, change the kind of POE, in system, add POE (8180), specifically fill a prescription: REPDM80 part, RIIR20 part, TMTD1 part, BZ0.5 part, DM0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, POE (8180) 1 parts, Sulfur 1.5 parts.REPDM/RIIR/POE 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 6 is, changes the quality of POE (8180), specifically fills a prescription: REPDM80 part, RIIR20 part, TMTD1 part, BZ0.5 part, DM0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, POE (8180) 3 parts, Sulfur 1.5 parts.REPDM/RIIR/POE 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 6 is, changes the quality of POE (8180), specifically fills a prescription: REPDM80 part, RIIR20 part, TMTD1 part, BZ0.5 part, DM0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, POE (8180) 5 parts, Sulfur 1.5 parts.REPDM/RIIR/POE 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 6 is, changes the quality of POE (8180), specifically fills a prescription: REPDM80 part, RIIR20 part, TMTD1 part, BZ0.5 part, DM0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, POE (8180) 7 parts, Sulfur 1.5 parts.REPDM/RIIR/POE 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 6 is, changes the quality of POE (8180), specifically fills a prescription: REPDM80 part, RIIR20 part, TMTD1 part, BZ0.5 part, DM0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, POE (8180) 9 parts, Sulfur 1.5 parts.POE reinforcement REPDM water-proof material described in the present embodiment, its test result is shown in Table 1.
Embodiment 11:
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, POE (8150) 1 parts, Sulfur 1.5 parts.
Embodiment 12:
The difference of the present embodiment and embodiment 2 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, POE (8150) 3 parts, Sulfur 1.5 parts.
Embodiment 13:
The difference of the present embodiment and embodiment 3 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, POE (8150) 5 parts, Sulfur 1.5 parts.
Embodiment 14:
The difference of the present embodiment and embodiment 4 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, POE (8150) 7 parts, Sulfur 1.5 parts.
Embodiment 15:
The difference of the present embodiment and embodiment 5 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, POE (8150) 9 parts, Sulfur 1.5 parts.
Embodiment 16:
The difference of the present embodiment and embodiment 6 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, POE (8180) 1 parts, Sulfur 1.5 parts.
Embodiment 17:
The difference of the present embodiment and embodiment 7 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, POE (8180) 3 parts, Sulfur 1.5 parts.
Embodiment 18:
The difference of the present embodiment and embodiment 8 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, POE (8180) 5 parts, Sulfur 1.5 parts.
Embodiment 19:
The difference of the present embodiment and embodiment 9 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, POE (8180) 7 parts, Sulfur 1.5 parts.
Embodiment 20:
The difference of the present embodiment and embodiment 10 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, POE (8180) 9 parts, Sulfur 1.5 parts.
Table 1 section Example cure data
| Test event | M H/dN·m | M L/dN·m | t 10/min | t 90/min |
| Embodiment 1 | 3 | 0 | 2:33 | 14:04 |
| Embodiment 2 | 3 | 0 | 2:44 | 14:53 |
| Embodiment 3 | 2 | 0 | 2:46 | 14:36 |
| Embodiment 4 | 2 | 0 | 2:48 | 16:07 |
| Embodiment 5 | 2 | 0 | 2:50 | 16:59 |
| Embodiment 6 | 5 | 1 | 1:53 | 9:02 |
| Embodiment 7 | 2 | 0 | 2:39 | 14:10 |
| Embodiment 8 | 2 | 0 | 2:44 | 14:41 |
| Embodiment 9 | 2 | 0 | 2:45 | 15:12 |
| Embodiment 10 | 2 | 0 | 2:55 | 15:52 |
Table 2 section Example mechanical property
| Test event | Tensile strength/MPa | Elongation at break/% | Tear strength/KN/m | Hardness/degree |
| Embodiment 1 | 10.2 | 311 | 22 | 63 |
| Embodiment 2 | 6.0 | 323 | 21 | 66 |
| Embodiment 3 | 6.2 | 349 | 22 | 67 |
| Embodiment 4 | 6.6 | 370 | 24 | 68 |
| Embodiment 5 | 6.7 | 391 | 25 | 66 |
| Embodiment 6 | 5.1 | 323 | 18 | 65 |
| Embodiment 7 | 5.5 | 339 | 21 | 65 |
| Embodiment 8 | 6.3 | 368 | 22 | 63 |
| Embodiment 9 | 5.9 | 389 | 23 | 64 |
| Embodiment 10 | 6.0 | 414 | 24 | 64 |
Claims (5)
1. a REPDM/RIIR/POE elastomerics, is characterized in that, the mass parts of constituent is as follows: REPDM80 part, RIIR20 part, TMTD1 part, BZ0.5 part, DM0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, POE81501 part, Sulfur 1.5 parts.
2. a REPDM/RIIR/POE elastomerics, is characterized in that, the mass parts of constituent is as follows: REPDM80 part, RIIR20 part, TMTD1 part, BZ0.5 part, DM0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, POE81505 part, Sulfur 1.5 parts.
3. a REPDM/RIIR/POE elastomerics, is characterized in that, the mass parts of constituent is as follows: REPDM80 part, RIIR20 part, TMTD1 part, BZ0.5 part, DM0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, POE81507 part, Sulfur 1.5 parts.
4. a REPDM/RIIR/POE elastomerics, is characterized in that, the mass parts of constituent is as follows: REPDM80 part, RIIR20 part, TMTD1 part, BZ0.5 part, DM0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, POE81509 part, Sulfur 1.5 parts.
5. a REPDM/RIIR/POE elastomerics, is characterized in that, the mass parts of constituent is as follows: REPDM80 part, RIIR20 part, TMTD1 part, BZ0.5 part, DM0.5 part, 5 parts, zinc oxide, stearic acid 3 parts, POE81803 part, Sulfur 1.5 parts.
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