Method of producing bis-(2-ethylamino-4-diethylamino-5-triazine-6-yl) tetra-sulfide

专利摘要:
The invention relates to a process for the preparation of a new triazine-bis- (2-ethylamino-4-diethylamino-5-triazin-6-yl) tetrasulphide derivative (Y 480), which can be used as an additive to vulcanizates. The purpose of the invention is to obtain a new triazine derivative, which gives the vulcanizates higher resistance to reversion than the known structural analogue - the corresponding disulfide. The essence of the invention is that an aqueous alkaline solution of 2-ethylamino-4-diethylamino-6-mercapto-triazine is reacted at 0-5 ° C with a solution of 2CL 2 in a light gasoline environment (bp 80-110 ° C) .
公开号:SU1473712A3
申请号:SU853964938
申请日:1985-10-17
公开日:1989-04-15
发明作者:Шварце Вернер；Вольфф Зигфрид；Реммель Ханс；Ламбертц Хорст
申请人:Дегусса Аг (Фирма)；
IPC主号:

专利说明:

one
The invention relates to a process for the preparation of a novel triazine-bis- (2-ethylamino-4-diethylamino-5-triazin-6-yl) tetrasulfide derivative (480), which can be used as an additive to vulcanizates.
The purpose of the invention is to obtain a new triazine derivative, which gives the vulcanizates higher resistance to reversion than the known structural analogue - the corresponding disulfide.
Example 1. 454 g of 2-diethylamino-4-ethylamino-5-mercaptotriazine is dissolved in a sodium hydroxide solution prepared from 84 g sodium hydroxide and 1.5 liters of water.
The solution is placed in a three-neck flask with a capacity of 4 liters, 1.5 liters of light gasoline is added (so kip. 80-110 ° C),
cl
with
after which the mixture is cooled to ~ C with vigorous stirring. Then a solution of 137 g of S2C12 in 100 ml of gasoline is added over 20 minutes, and the temperature should not exceed + 5 ° C. Tetrasulfide is precipitated. At the end of the reaction, the mixture was further stirred for 5 minutes. The product is filtered and washed. The snow-white fine powder is dried under a vacuum of 12 mm Hg. at 40-45 ° C.
Obtain 499.5 g of the target product (97.1% of theory.), So pl. 149-150 ° C, mol. Mass 516.
Calculated,%: C 41.9; H 6.2; N 27.1; S 24.8.
C 18 H32.NfoS4
Found,%: C 41.8; H 6.5; N 26.8} S 24.8.
4i

GO
one
ND
CM
314
Physical tests were performed at room temperature: tensile strength (DIN
53506, MPa); elongation at break and tensile modulus on discs 6 mm thick; tensile strength of the specimen with a notch (DIN
53507, N / mm); rebound elasticity (DIN 53512,%); A-Shore hardness (DIN 53505); Mooney test, ML4 (DIN 53524); Goodrich flexometer (ASTM, ° C); determination of heat generation - HeaL build-up S (D 623-62); Firestone - Ball Rebound (A D 20245).
In the examples concerning the application, the names and abbreviations are used:
RSS - Ribbed Smoked Sheet (natural rubber);
Corax N 220 - carbon black, surface (BET) 120 m2 / g (Degussa);
Naphtholen LD - plasticizer from hydrocarbons;
Ingralen 450 - plasticizer from aromatic hydrocarbons;
ingrplast NS - plasticizer from naphthenic hydrocarbons;
Vulcanox 4010 N A - M-isopropyl-N-phenyl-p-phenylenediamine;
volcanox HS - poly-2,2,4-trimethyl-1,2-dihydroquinoline;
mesamol - esters of alkyl sulfonic acids, phenol and cresol;
G35 protector - antiozonant wax;
MOL - V-morpholine-2-ben zothiazole sulfenamide;
volcacit mercapto - 2-mercaptoben zothiazole;
thiuram vulkacit — tetramethylthiurammonosulfide;
C-M-cyclohexyl-2-benzothiazole sulfenamide;
volcano E - (N-trichloromethylthiophenylsulfonyl) -benzene;
PV 1 - N-cyclohexylthiophthalimide;
Ultrasil VN3 Gran. - precipitated silicic acid (Degussa), granulate;
V 143 - bis- (2-ethylamino-4-diethylamino-5-triazin-6-yl) disulfide „
Example 2. Resistance to reversion with U 480 as a substance crosslinking a macromolecule (carbon black as a filler).
, ML4 67 with N 220 zinc RS
one
100 50 5
2
100 50 5
3
100 50
five

Max MIN
at 170 ° C,% 30.0 8.5 2.3 Thus, when applying
At 480 without sulfur durability is reached
to reversion.
j
PRI me R 3. The dependence of the ability to reversion on temperature (soot - silicic acid as
Mixtures in which carbon black has been partially replaced by silicic acid are especially prone to reversion. In 480 in mixture 6, the substance used as a crosslinking macromolecule, i.e. without sulfur, gives the vulcanizate, even at the highest temperature of vulcanization, a very high resistance to reversion.
PRI me R 4. Stability kanizat when overheating, temperature 170 ° C.
lowering substance tqsyo; immediately after this, additional heating was performed for 50 min.
(t (+ 50
 Example5. Resistance to reversion when using U 480 as an accelerator at a vulcanization temperature of 170 C.
The strength at break of the sample with notch Firestone Wa 1 Rebound
28
54.9 52.8 53, 51.3 51.7 53,
With an increase in reversion at overheating, namely 50/170 ° C, the physical characteristics of the vulcanizates decrease.
In this example, the 480 is compared to a semi-Et system, which is considered in accordance with the prior art as a reversion resistance. 95% of the volcano interacted following the example8
15
20
2fr
thirty
3.5 3.2
P SSI, ML4 67
Corax N 220
Zinc Oxide RS
Stearic acid
Naphtholen LD
Vulcanox 4010 NA
Vulcanox HS
G 35 protector
Vulkatsit MOL
480
Sulfur
D mox R | Tsoie bo 1%
 / WOKC
Tensile strength
when stretched
Stretching module
300%
Elongation at break Firestone-Ball Rebound Combination 1.5 hours.
46.5 45.9 480 with 0.8 h.
sulfur, in comparison with the corresponding sulfenamide, remains at 170 ° C
completely resistant to reversion, with t, y ./ ", an almost equal level of values is maintained.
Example 6. The effect of the amount of sulfur on the properties of U 480 as
accelerator (vulcanization temperature 170 ° C).
t 10% 3.8
80 20% 1.4
Characteristics of the vulcanizates at
MW ":
Stretching module
300% 11.5
Shore 63 hardness
An increase in sulfur content in excess of 0.8 is possible, and this leads to an increase in modulus without a very strong increase in reversion, in this case. subtitled contraction 67 NA
never
2 de 0%) neither
18
100
50
five
nineteen
100
50
five
2021
100,100
5050
55
- 1,2
21.5 8.0 17.5 21.0 3.8 2.8 3.8 4.1 10.5 11.0 8.8 13.7
Example Overcoming subvolumeization and modulus enhancement with RSS 1, ML (1 + 4) 67 Corax N 220 Zinc oxide RS Stearic acid
Naphtholen LD
Vulcanox 4010 NA
Vulcanox HS
G 35 protector
Vulkatsit MOL
480
Vulkalent ESER1, 5 0,8
change that E. M 1,4
3.1 2.9 2.9 2.8 1.6 1.6 1.5 1.5
2.1 6 10
11.4 63
12.1 63
12.5 64
13.1 65
15
Nizko, which can be increased by applying the volcanthus E (see example 7). Example. The effect of a conventional moderator on scorch time and reversion when applied to a 480.
2021
100,100
5050
55
changes in the combination of U 480 and vulkalente E.


25
100
50
five
2
3
2.5 1.5 1
1.5 0.8 0.8
26
100
50
5 2
3
2.5 1.5 1
1.5 1.2 0.8
Scorch time at 13 ° C, min (increase by 2 dividing the scale)
Time scorch at 170 ° C (t 10%), min

300% stretch module
PRI me R 9. The increase in the time of vulcanization under the action of volc
RSS 1, ML (1 + 4) 67 Corax N 220 Ultrasil VN 3 gran. Zinc Oxide RS Stearic Acid Naphetolen LD Vulcanox 4010 Na Vulcanox HS Protector G 35 Vulkacite MOL U 480 PV1
Vulkalent A Vulkalent V Vulkalent E Sulfur
Time scorch at 130 ° C, min (increase by 2 dividing the scale)
Scorch time at 170 ° C
-
-
1.5
29.5
4.5 5.3
When a mixture of carbon black and silicic acid is used, the volcano E is effective. When adding 1.5 hours. At 480.0.8 hours gray 1.2 hours of volcanic E, MOL podulcanization time is reached. The moderator does not have an adverse impact resistance: SBR 1712 Corax N 339 Zinc oxide RS Stearinova Protector G 35 Vulcanox 4010 Vulkacite D Vulkacit CL U 480 Sulfur
.-G..R- (max -1-6O
D AD014S MIN
at 165 ° C,% Strength at stretch
21.5 8.0
ten
12.5 16.7 21.0
2.8 3.1
11.0 11.8
3.7 4.1 12.7 13.7
E tape with vulcanization in the presence of Y 480.
33 1.5
- -1.2 -1, 2
1.5 0.80.8 0.8
29.5 16,128.5 30.0

3.6 6.4
4.2 6.4
4.7 8.6
I
significant influence on the propensity to
reversion during vulcanization in the presence of V 480, as well as on the physical characteristics of the vulcanizate.
Example 10. At 480 as an accelerator when using SBR.
31 32 33 37.5 137.5 137.5 60 60 60
3
2
one
1.5
0.5 0.5 1.45 -.
1.5
1.5
3 2 1 1.5
1.6
3 2 1 1.5
1.5 1.5
10.5 7.3 8.3 20 19.2 23.1
111473712
300% stretch module
Elongation at break Shore hardness
Thus, the U 480 in the resistant to the version of the SBR-mixture additionally increases the resistance to reversion.
Example 11. Resistance to the verification of SBR-vulcanizates with 480.
33 34
SBR 1500100 100
Krrax N 22050 50
Zinc Oxide RS 55 Stearic Acid 2 2 Naphtholen LD33,
Vulcanox 4010 NA 2.5 2.5 Vulcanox HS1.5 1.5
Protector G 35 11 Vulkatsit CL1,5U 4801
Sulfur1.8 1.8
$ 5 ac. 1l 2 & c ± boO
D Max DMHH
at 170 ° C,% 12.1 9.1
Characteristics of volcanoes at Ts5u J Strength at stretching 20.2 21.8
Tensile modulus 300% 10.6 11.1 Elongation at break 450 460
The tensile strength of the specimen with a notch 13 14 Shore hardness is 63 64 Thus, the 480 W, when used, the BR 1500, which is slightly prone to reversion, improves the resistance to reversing.
Example 12. At 480 in perbunan, nitrile-butadiene rubber).
Perbunan N 3307 NS 100 100 Corax N 220 50 50 Zinc Oxide RS 55 Stearic acid 1 1 Ingrated 450 5 5 Mesamol10 10
Vulkatsit CL 1,3- U 480-1,5
Sulfur1.8 1.8
D Ms4s l5iiSja ic tiPlL
D max Omni
at 170% 9.5 6.9
Characteristics of the vulcanizates:
Strength at
stretching19.5 18.8
12
10.1 11.4 10.9
480 430 460 63 65 64
9.2 11.3
0
300% stretch module
Elongation at break 480 380 Shore hardness 64 65 When applied to 480 instead of sulphinamide in perbunane, an additional 5 each, resistance to reversion is improved.
PRI me R 13. At 480 in EPDM. Buna AP 541100 100
Corax N 220 50 50 Zinc Oxide RS 55
0 Stearic acid 1 1 Ingroplast NS 10 10 Vulkatsit thiuram 1 - Vulkatsit mercapto 0.5 - У 480- 2,5
Sulfur1 1
DjjoKo. (MCI K with 460)
five
D
Max
-Dj
min
at 170 ° С,% 3,3 О Characteristics of vul0 kanisates:
Strength at
stretch 16,0 16,0
Stretching module
300% 14.4 14.0
5 Elongation at break 320 350 Shore hardness 72 69 As a result of applying U 480 to EPDM while maintaining the same
In addition, the vulcanizate riser additionally has the possibility of increasing the resistance to reversion.
Example 14. Simultaneous application of V 480 and Si 69.
RSS1, ML 00 1 00.
Corax N 22050 50
RS55 Zinc Oxide
Stearic acid2 2
Q Naphtholen LD33
Vulcanox 4010 NA2.5 2.5
Vulcanox HS1,5 1,5 Protector G 35 1 1
480-1,5
5 Si 69-1.5
Sulfur 1.5 0.4
РМОКО Р Сме кс + б /
D
at 170 ° С,%
29.7 O
13
Characteristics of vulcanization:
Strength at stretching25,1 22,0
Modulus of stretching 300% 10.2 10.8
Firestone ball
Rebound45.2 44.2
Shore hardness 63 62 Goodrich flexometer If a part of sulfur (0.8 hour) is replaced by a source of sulfur, for example a polysulfide silane, then natural rubber compounds that are reversible and resistant to reversion form. In addition, an unusual decrease in heat generation is observed.
Example 15. At 480, crosslinked epoxidized natural rubber using carbon black and silicic acid as a filler.
12
ENR 50100 100
Corax N 330 25 25 Ultrasil VN 3 Gran. 25 25 Zinc oxide RS 55 Stearic acid 2 2 Vulcanox HS 22 W 480-3
Vulkatsit MOL 2,4 - Vulkatsit thiuram 1,6 - Sulfur0.3 0.3
73712 4
Strength at stretch Dispersion of solids Module of stretching 100%
The tensile strength of the specimen with notch A-Shore hardness at 23 ° C
15.1 15.6
ten
8.4
82
11.0
eight
89
Example 16. At 480, crosslinked natural rubber 15, seamed, when filled with carbon black.
ENR
Corax N 220
Zinc Oxide RS
Stearic acid
Vulcanox HS
480
Vulkatsit MOL
Vulkatsit Tiuram Sulfur
Strength at
stretching
Stretching module
300% Breaking Strength
specimen notched
A-shore hardness at 23 ° C
75 80

权利要求:
Claims (1)
[1]
METHOD FOR PRODUCING BIS- (2ETHYLAMINO-4-DIETHYLAMINO-5-TRIAZIN-
6-IL) -TETRASULPHIDE, characterized in that the aqueous alkaline solution of 2-ethylamino-4-diethylamino-6mercaptotriazine is introduced into the reaction at a temperature of 0-5 C with a solution of S ₂ C1 ₂ in light gasoline (boil. 80110 ° C).

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法律状态:

优先权:

---

申请号 | 申请日 | 专利标题

---

DE19843438290|DE3438290A1|1984-10-19|1984-10-19|BIS-TETRASULFIDE, METHOD FOR THE PRODUCTION, USE AND VULCANIZABLE MIXTURES CONTAINING THE SAME|

---