CN1098304C - Polyether chloride modified special rubber and its preparation process - Google Patents
Polyether chloride modified special rubber and its preparation process Download PDFInfo
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- CN1098304C CN1098304C CN99121126A CN99121126A CN1098304C CN 1098304 C CN1098304 C CN 1098304C CN 99121126 A CN99121126 A CN 99121126A CN 99121126 A CN99121126 A CN 99121126A CN 1098304 C CN1098304 C CN 1098304C
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Abstract
The present invention relates to polyether chloride modified special rubber and a preparation technology thereof. Primarily, polyether chloride, nitrile rubber, anti-ageing agents 4010 and 2246, accelerating agents M, thermal stabilizing agents, DCP, DOS, etc. are used for production according to a definite formula and the preparation technology; obtained products have excellent properties of high-temperature resistance, low-temperature resistance, ageing resistance, small compression permanent set, tensile strength, etc. Moreover, the polyether chloride modified special rubber has the advantage of obvious economic benefit, and the profit of at least 50 thousand yuan can be obtained by producing each ton of the rubber; the field of application can be improved to a high-technical field, and therefore, the present invention has a broad application range.
Description
Technical field
The present invention relates to chemical field, definite say so a kind of polyether chloride modified special rubber and preparation method.
Background technology
At rubber materials, when doing the sealing member application, the paracril of import is wear-resisting, corrosion resistance nature is better, but price is very expensive; Application number is 96190596.4 " with the vulcanized rubber of thermoplastics modification ", at least a functionalized rubber of moiety and at least a thermoplastics, functionalized rubber is H-NBR, X-NBR or epichlorohydrin rubber, thermoplastics is the polymkeric substance that contains polyamide-block and polyether block, disclosing this modified product in the application documents is not thermoplastic, at elongation is 50,100 and 300% time, modulus increases, rupture stress is preferably arranged, increase tear strength, rupture stress and hardness, but this invention can only be as tire, the travelling belt class is used, and uses wear-resisting as sealing member, high-low temperature resistant, corrosion resistance nature is not enough.
Summary of the invention
The object of the present invention is to provide a kind of high temperature resistant, low temperature resistant, anti-ozone, oil resistant, corrosion-resistant, the pressurized tension set is functional, cheap polyether chloride modified special rubber and preparation method.
Technical scheme of the present invention is achieved in that the prescription composition of polyether chloride modified special rubber is: paracril 100 weight parts, penton 0-40 weight part (not comprising 0), N-encircles three bases-N '-diphenyl-para-phenylene diamine 2-8 weight part, 2-benzothiazolyl mercaptan 3-7 weight part, 2,2 '-methylene-bis (4-methyl-6-tert butyl phenol) 0-2 weight part (not comprising 0), thermo-stabilizer lead sulfate tribasic 0-4 weight part (not comprising 0), dicumyl peroxide (english abbreviation DCP) 0-4 weight part (not comprising 0), spray carbon black 40-80 weight part;
The best proportioning of said components is: paracril 100 weight parts, penton 30 weight parts, N-encircles three bases-N '-diphenyl-para-phenylene diamine 6 weight parts, 2-benzothiazolyl mercaptan 4.5 weight parts, 2,2 '-methylene-bis (4-methyl-6-tert butyl phenol) 1.4 weight parts, thermo-stabilizer lead sulfate tribasic 2.7 weight parts, dicumyl peroxide (DCP) 1.9 weight parts, spray carbon black 36.8 weight parts;
The prescription of polyether chloride modified special rubber is formed and is also comprised sebacic acid dibutyl ester (being called for short DOS) 10-40 weight part;
In the best proportioning of said components, comprise sebacic acid dibutyl ester 19.2 weight parts.
The preparation method of polyether chloride modified special rubber is:
A〉various materials are by above-mentioned component weighing;
B〉paracril is opened refining, bag roller, is plasticated, after the thin-pass 10 times, add N-and encircle three bases-N '-diphenyl-para-phenylene diamine, 2-benzothiazolyl mercaptan, mixing evenly, after the thin-pass, with 1.5 centimetres of thickness slices coolings, it is stand-by film to be cut into strip again;
C〉be preheating in advance on 185 ± 5 ℃ of rubber mixing machines, penton is added on the hot-rolling, plastify, add 2,2 simultaneously '-methylene-bis (4-methyl-6-tert butyl phenol) and thermo-stabilizer lead sulfate tribasic, after the plasticizing evenly, add to go up step preparation process b gradually〉in open the good strip film of refining, mixing even back slice is the blend base-material;
D〉the blend base-material is added in the mill, add spray carbon black behind the bag roller, after eating powder and finishing, 6-10 slice of thin-pass, treat the film cooling after, go up machine bag roller again, add dicumyl peroxide carry out mixing, slice after thin-pass is even;
E〉in vulcanizer, film is vulcanized, curing temperature is 165-175 ℃, curing time is 30-20 minute.
If add the sebacic acid dibutyl ester in the component of material, d then〉the step preparation process is: the blend base-material added in the mill, add spray carbon black behind the bag roller, after eating the powder end, add the sebacic acid dibutyl ester again, 6-10 slice of thin-pass, after treating the film cooling, go up machine bag roller again, the adding dicumyl peroxide carries out mixing, and thin-pass is the back slice evenly.
The polyether chloride modified special rubber that the present invention produces is thermoplastic, high temperature resistant, low temperature resistant, ageing-resistant, compression set is little, excellent performances such as tensile strength, and this kind rubber remarkable in economical benefits, produce per ton can the profit at least and moisten 50,000 yuan, high-tech sector can be brought up in the use field, have wide range of applications.
Embodiment
Embodiments of the invention and technical scheme are identical.
According to the polyether chloride modified special rubber that technical scheme obtained, obtain following various performance perameter by detection:
Mooney viscosity: ML100 ℃ of (1+4) 70-154
Mooney scorch: T5 10-52
Hardness (Shao Er A) degree 70-92
Tensile strength: MPa 13.1-23.4
Proportion: g/cm
31.19-1.28
100% tensile modulus: MPa 6.9-17.7
Penton during this invention prescription is formed, formal name used at school is to gather 3, two (chloromethyl) fourth oxygen rings of 3-, external commodity " sheet leads to " by name are-kind of crystal type thermoplastic engineering plastic that it is celebrated with excellent comprehensive performances.
N-encircles three bases-N '-diphenyl-para-phenylene diamine, and abbreviated name is called antioxidant 4010;
The 2-benzothiazolyl mercaptan, abbreviated name is called captax;
2,2 '-methylene-bis (4-methyl-6-tert butyl phenol), abbreviated name is called antioxidant 2246;
Dicumyl peroxide, english abbreviation DCP;
The sebacic acid dibutyl ester, english abbreviation DOS.
Paracril (claiming sheet to lead to paracril again) after polyether chloride modified abbreviates PNBR as.
Be that dissimilar paracrils compares through the performance after the modification by best proportioning below, curing temperature is 165 ℃ among the preparation technology, and the time is 30 minutes.
Main performance index
| The varieties and characteristics index | PHBR-A-18 | PHBR-B-18 | PHBR-A-26 | PHBR-B-26 | PHBR-A-40 | PHBR-B-40 | |
| The rubber unvulcanizate prescription | Paracril | 100 | 100 | 100 | 100 | 100 | 100 |
| The oxidation polyethers | 30 | 30 | 30 | 30 | 30 | 30 | |
| Antioxidant 4010 | 6 | 6 | 6 | 6 | 6 | 6 | |
| Captax | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | |
| Antioxidant 2246 | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 | |
| Heat claims to decide the agent lead sulfate tribasic | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | |
| DOS | - | 19.2 | - | 19.2 | - | 19.2 | |
| DCP | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | |
| Property cross-linked rubber energy not | Spray carbon black | 36.8 | 36.8 | 36.8 | 36.8 | 36.8 | 36.8 |
| Mooney viscosity [ML-100 ℃ (1+4)] | - | 103 | 154 | 110.2 | 115 | 114.1 | |
| 120 ℃ of mooney scorches (min) | 40 | 40 | 15 | 40 | 20 | 40 | |
| Vulkameter T90 (min) | - | - | 16.9 | 19.8 | - | - | |
| The varieties and characteristics index | PHBR-A-18 | PHBR-B-18 | PHBR-A-26 | PHBR-B-26 | PHBR-A-40 | PHBR-B-40 | |
| Conventional physical and mechanical properties | 165 ℃ * 30min of cure conditions | ||||||
| Hardness (Shao Er A) | 84 | 74 | 87 | 76 | 92 | 81 | |
| Tensile yield (%) | 304 | 335 | 305 | 336 | 220 | 300 | |
| Tensile strength (MPa) | 17.5 | 13.5 | 17.8 | 14.6 | 23.0 | 15.2 | |
| 100% tensile modulus (MPa) | 17.0 | 11.9 | 17.7 | 8.5 | 16.2 | 6.9 | |
| Tensile deformation (%) | 6 | 6 | 10 | 10 | 10 | 10 | |
| Density (g/cm 3) | 1.22 | 1.19 | 1.23 | 1.22 | 1.26 | 1.24 | |
| Akron abrasion (cm 3/1.61km) | 0.187 | 0.252 | 0.18 | 0.2 | 0.104 | 0.15 | |
| Temperature limit of brittleness (℃) | -59 | -61 | -42 | -51 | -20 | -30 | |
| Hot air aging energy | 150 ℃ * 70h of experiment condition | ||||||
| Changes in hardness (Shao Er) | 6 | 15 | 5 | 6 | 4 | 6 | |
| Elongation change (%) | -70 | -83 | -43.9 | -59.6 | -39 | -45 | |
| Tensile strength changes (%) | -21 | -24 | 5 | 8.9 | 4 | -12 | |
| The ozone ageing performance | Test conditions: 40 ℃ * 24h of ozone concn 50ppm | ||||||
| The breach time (h) | 23 | 23 | 23 | 4.42 * 10-5 * 2h does not chap | 20 | - | |
| The breach size | Less | Less | A small gap | Less | - | ||
| Breach quantity | Seldom | Seldom | Seldom | In | - | ||
| Oil resistance | Test conditions: 150 ℃ * 70h is in 3# (1#) standard oil | ||||||
| Standard oil number | 1# | 3# | 1# | ||||
| Weightening finish (%) | 4.1 | -5.3 | 15.2 | 24.2 | -2.1 | - | |
| Increase-volume (%) | 6.5 | -4.6 | 20.9 | 33.5 | -2.6 | - | |
| Pressing contracts for a long time becomes shape forever | Test conditions 150 ℃ * 70 is in air | ||||||
| Compression set rate (%) | - | 83.0 | 65 | 65 | 44 | 44 | |
Claims (8)
1, polyether chloride modified special rubber is characterized in that: its prescription composition is
Paracril 100 weight parts
Penton 0-40 weight part (not comprising 0)
N-encircles three bases-N '-diphenyl-para-phenylene diamine 2-8 weight part
2-benzothiazolyl mercaptan 3-7 weight part
2,2 '-methylene-bis (4-methyl-6-tert butyl phenol) 0-2 weight part
(not comprising 0)
Thermo-stabilizer lead sulfate tribasic 0-4 weight part (not comprising 0)
Dicumyl peroxide 0-4 weight part (not comprising 0)
Spray carbon black 40-80 weight part
2, polyether chloride modified special rubber according to claim 1 is characterized in that: its prescription composition is
Paracril 100 weight parts
Penton 30 weight parts
N-encircles three bases-N '-diphenyl-para-phenylene diamine 6 weight parts
2-benzothiazolyl mercaptan 4.5 weight parts
2,2 '-methylene-bis (4-methyl-6-tert butyl phenol) 1.4 weight parts
Thermo-stabilizer lead sulfate tribasic 2.7 weight parts
Dicumyl peroxide 1.9 weight parts
Spray carbon black 36.8 weight parts;
3, polyether chloride modified special rubber according to claim 1 is characterized in that: its prescription is formed and is also comprised sebacic acid dibutyl ester 10-40 weight part.
4, according to claim 1 or 2 or 3 described polyether chloride modified special rubbers, it is characterized in that: its prescription is formed and is comprised sebacic acid dibutyl ester 19.2 weight parts.
5, a kind of preparation method who produces polyether chloride modified special rubber as claimed in claim 1 is characterized in that:
A〉various materials are by following component weighing
Paracril 100 weight parts
Penton 0-40 weight part (not comprising 0)
N-encircles three bases-N '-diphenyl-para-phenylene diamine 2-8 weight part
2-benzothiazolyl mercaptan 3-7 weight part
2,2 '-methylene-bis (4-methyl-6-tert butyl phenol) 0-2 weight part
(not comprising 0)
Thermo-stabilizer lead sulfate tribasic 0-4 weight part (not comprising 0)
Dicumyl peroxide 0-4 weight part (not comprising 0)
Spray carbon black 40-80 weight part
B〉paracril is opened refining, bag roller, is plasticated, after the thin-pass 10 times, add N-and encircle three bases-N '-diphenyl-para-phenylene diamine, 2-benzothiazolyl mercaptan, mixing evenly, after the thin-pass, with the cooling of 1.5cm thickness slice, it is stand-by film to be cut into strip again;
C〉be preheating in advance on 185 ± 5 ℃ of rubber mixing machines, penton is added on the hot-rolling, plastify, add 2,2 simultaneously '-methylene-bis (4-methyl-6-tert butyl phenol) and thermo-stabilizer lead sulfate tribasic, after the plasticizing evenly, add to go up step preparation process b gradually〉in open the good strip film of refining, mixing even back slice is the blend base-material;
D〉the blend base-material is added in the mill, add spray carbon black behind the bag roller, after eating powder and finishing, 6-10 slice of thin-pass, treat the film cooling after, go up machine bag roller again, add dicumyl peroxide carry out mixing, slice after thin-pass is even;
E〉in vulcanizer, film is vulcanized, curing temperature is 165-175 ℃, curing time is 30-20 minute.
6, the preparation method of polyether chloride modified special rubber according to claim 5, it is characterized in that: the composition of material is in this method, paracril 100 weight parts, penton 30 weight parts, N-encircles three bases-N '-diphenyl-para-phenylene diamine 6 weight parts, 2-benzothiazolyl mercaptan 4.5 weight parts, 2,2 '-methylene-bis (4-methyl-6-tert butyl phenol) 1.4 weight parts, thermo-stabilizer lead sulfate tribasic 2.7 weight parts, dicumyl peroxide 1.9 weight parts, spray carbon black 36.8 weight parts.
7, the preparation method of polyether chloride modified special rubber according to claim 5 is characterized in that: the composition of material comprises sebacic acid dibutyl ester 10-40 weight part in this method; At d〉in the step preparation process, the blend base-material is added in the mill, add spray carbon black behind the bag roller, after eating powder and finishing, add the sebacic acid dibutyl ester again, 6-10 slice of thin-pass, treat film cooling after, go up machine bag roller again, the adding dicumyl peroxide carries out mixing, and thin-pass is the back slice evenly.
8, according to the preparation method of claim 6 or 7 described polyether chloride modified special rubbers, it is characterized in that: the composition of material comprises sebacic acid dibutyl ester 19.2 weight parts in this method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99121126A CN1098304C (en) | 1999-09-30 | 1999-09-30 | Polyether chloride modified special rubber and its preparation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99121126A CN1098304C (en) | 1999-09-30 | 1999-09-30 | Polyether chloride modified special rubber and its preparation process |
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| Publication Number | Publication Date |
|---|---|
| CN1247877A CN1247877A (en) | 2000-03-22 |
| CN1098304C true CN1098304C (en) | 2003-01-08 |
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| CN99121126A Expired - Fee Related CN1098304C (en) | 1999-09-30 | 1999-09-30 | Polyether chloride modified special rubber and its preparation process |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4810798B2 (en) | 2004-06-01 | 2011-11-09 | 横浜ゴム株式会社 | Rubber composition for tire and pneumatic tire |
| CN103910988A (en) * | 2014-04-29 | 2014-07-09 | 苏州新区华士达工程塑胶有限公司 | Modified chlorinated polyether plastic |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1058408A (en) * | 1991-08-09 | 1992-02-05 | 中国科学院广州化学研究所 | The modification of aliphatic polycarbonate butadieneacrylonitrirubber rubber |
| CN1155893A (en) * | 1995-04-28 | 1997-07-30 | 埃尔夫阿托化学有限公司 | Vulcanised thermoplastic-modified rubbers |
-
1999
- 1999-09-30 CN CN99121126A patent/CN1098304C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1058408A (en) * | 1991-08-09 | 1992-02-05 | 中国科学院广州化学研究所 | The modification of aliphatic polycarbonate butadieneacrylonitrirubber rubber |
| CN1155893A (en) * | 1995-04-28 | 1997-07-30 | 埃尔夫阿托化学有限公司 | Vulcanised thermoplastic-modified rubbers |
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| CN1247877A (en) | 2000-03-22 |
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