RO111202B - Methylsilicone vaseline preparation process - Google Patents
Methylsilicone vaseline preparation process Download PDFInfo
- Publication number
- RO111202B RO111202B RO9301515A RO9301515A RO111202B RO 111202 B RO111202 B RO 111202B RO 9301515 A RO9301515 A RO 9301515A RO 9301515 A RO9301515 A RO 9301515A RO 111202 B RO111202 B RO 111202B
- Authority
- RO
- Romania
- Prior art keywords
- vaseline
- methylsilicone
- silicone
- preparation process
- rpm
- Prior art date
Links
- 229940099259 vaseline Drugs 0.000 title abstract description 6
- 238000002360 preparation method Methods 0.000 title description 2
- 239000003921 oil Substances 0.000 claims abstract description 8
- 230000001698 pyrogenic effect Effects 0.000 claims abstract description 8
- 239000004205 dimethyl polysiloxane Substances 0.000 claims abstract description 4
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims abstract description 4
- -1 polydimethylsiloxane Polymers 0.000 claims abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 239000000499 gel Substances 0.000 claims description 6
- NCWQJOGVLLNWEO-UHFFFAOYSA-N methylsilicon Chemical compound [Si]C NCWQJOGVLLNWEO-UHFFFAOYSA-N 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 235000012239 silicon dioxide Nutrition 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000003989 dielectric material Substances 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- 238000002156 mixing Methods 0.000 description 8
- 229920001296 polysiloxane Polymers 0.000 description 8
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 235000019271 petrolatum Nutrition 0.000 description 3
- 230000035515 penetration Effects 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 229910002012 Aerosil® Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000001023 inorganic pigment Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000001007 phthalocyanine dye Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- PTISTKLWEJDJID-UHFFFAOYSA-N sulfanylidenemolybdenum Chemical compound [Mo]=S PTISTKLWEJDJID-UHFFFAOYSA-N 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Prezenta invenție se referă la de obținere a vaselinelor din uleiuri polidimetilsiloxanice siliciu de natură pirogenă. Vaselinele rezultate se utilizează ca agent anticorosiv și izolator electric. Revendicări: 1The present invention relates to for the production of greases from polydimethylsiloxane oils silicon of pyrogenic nature. The resulting vaseline is used as an agent anticorrosive and electric insulator. Claims: 1
Description
Prezenta invenție se referă la un procedeu de obținere a vaselinelor metilsiliconice, utilizabile ca agent anticoroziv și izolator.The present invention relates to a process for producing methylsilicon gels, which can be used as an anticorrosive and insulating agent.
Se știe că vaselinele metilsiliconice 5 se utilizează ca agent anticoroziv și izolator electric, în intervale mari de temperatură (-5O°C ... 2OO°C). Literatura de specialitate și prospectele firmelor producătoare de vaseline siliconice, fac 10 distincție între vaseline siliconice (paste) și unsori siliconice. Primele se obțin prin amestecarea mecanică a uleiurilor siliconice cu bioxid de siliciu de natură pirogenă cu denumirea comercială 15 Aerosil (Germania), Cabosil (SUA) și Siopir (România). Unsorile siliconice se obțin prin introducerea în uleiul siliconic a unui agent de îngroșare care este o sare metalică a unui acid gras superior, 20 pigmenți anorganici, negru de fum, grafit, sulfură de molibden, coloranți ftalocianinici și bioxid de siliciu de natură pirogenă.It is known that methylsilicon gels 5 are used as an anticorrosive agent and electrical insulator, in large temperature ranges (-5O ° C ... 2OO ° C). The specialty literature and the prospects of companies producing silicone vaseline make 10 distinction between silicone vaseline (paste) and silicone greases. The premiums are obtained by mechanical mixing of silicone oils with pyrogenic silicon dioxide with the trade name 15 Aerosil (Germany), Cabosil (USA) and Siopir (Romania). Silicone greases are obtained by introducing into the silicone oil a thickening agent which is a metal salt of a higher fatty acid, 20 inorganic pigments, carbon black, graphite, molybdenum sulphide, phthalocyanine dyes and pyrogenic silicon dioxide.
Literatura de specialitate și 25 brevetele de obținere nu prezintă date concrete la modul de preparare a vaselinelor siliconice prin amestecarea componentelor.The specialized literature and the 25 patents obtained do not present concrete data on the preparation of silicone gels by mixing the components.
Problema, conform invenției, este stabilirea unui mod de lucru pentru obținerea vaselinelor metilsiliconice cu stabilitate în timp îmbunătățită.The problem according to the invention is to establish a working method for obtaining methylsilicon gels with improved stability over time.
Procedeul, conform invenției, înlătură dezavantajele menționate prin aceea că se amestecă uleiuri polidimetilsiloxanice cu viscozitatea de 10OO ± 100 cSt, la 25°C și bioxid de siliciu de natură pirogenă, în raport ulei/SiO2= 9/1 ... 4/1 într-un malaxor tip lankeKunkel cu palete tip Duplex, timp de 30 ... 60 min., la temperatura de 20 ... 30°C, cu viteza paletei anterioare de 48 rot/min. și a celei posterioare de 26 rot/min.The process according to the invention removes said disadvantages by mixing polydimethylsiloxane oils with a viscosity of 10OO ± 100 cSt, at 25 ° C and pyrogenic silicon dioxide, in relation to the oil / SiO 2 = 9/1 ... 4 / 1 in a lankeKunkel type mixer with Duplex blades, for 30 ... 60 min., At 20 ... 30 ° C, with the previous blade speed of 48 rpm. and the rear one of 26 rpm.
Invenția prezintă următoarele avantaje :The invention has the following advantages:
- mărește stabilitatea în timp a vaselinelor metilsiliconice de la 6 luni la 2 ani ;- increases the stability over time of methylsilicon gels from 6 months to 2 years;
- permite obținerea de vaseline metilsiliconice cu conținut cuprins între 10 % Si02 și 20 % Si02 ;- allows the production of methylsiliconic vaseline with a content between 10% Si0 2 and 20% Si0 2 ;
simplitatea procesului de obținere.simplicity of the process of obtaining.
în continuare, se dau,exemple de realizare a invenției, prezentându-se în prealabil caracteristicile materiilor prime.The following are examples of embodiments of the invention, presenting the characteristics of the raw materials in advance.
Ulei polidimetilsiloxanicPolydimethylsiloxanic oil
- viscozitate.............................1000 ±100 cSt- viscosity ............................. 1000 ± 100 cSt
- indice de refracție la 25°C........ 1,405- refractive index at 25 ° C ........ 1,405
- densitate la 25°C.................... 0,97 g/cm3 - density at 25 ° C .................... 0.97 g / cm 3
- punct de inflamabilitate............ mai mare de +300°C- flash point ............ greater than + 300 ° C
- punct de congelare................. mai mic de -45°C- freezing point ................. lower than -45 ° C
- pH....................................... neutru- pH ....................................... neutral
Si02 de natură pirogenăSi0 2 of pyrogenic nature
RO 111202 ΒRO 111202 Β
Exemplul 1. într-un malaxor tip lanke-Kunkel cu capacitatea cuvei de 2,5 I prevăzut cu palete de amestecare sistem Duplex, cu viteza paletei anterioare de 48 rot/min și a celei 5 posterioare de 26 rot/min. se introduc 900 g ulei polidimetilsiloxanic cu viscozitate 1000 ±100 cSt., apoi se adaugă în porțiuni mici în timpul amestecării, 100 g Si02 de natură 10 pirogenă. Amestecul este malaxat timp de 30 ... 40 min. la temperatura camerei (20 ... 30°C], în final se obține o pastă omogenă, de culoare albă (denumire de marcă MOLDOSIL V-10). 15 Viteza paletei anterioare este de 48 rot/min și a celei posterioare de 26 rot/min.Example 1. In a lanke-Kunkel-type mixer with a capacity of 2.5 L, fitted with Duplex blending blades, with the speed of the previous blade of 48 rpm and of the rear 5 of 26 rpm. 900 g of polydimethylsiloxane oil with a viscosity of 1000 ± 100 cSt are introduced, then 100 g Si0 2 of pyrogenic nature are added in small portions during mixing. The mixture is kneaded for 30 ... 40 min. at room temperature (20 ... 30 ° C], finally a homogeneous, white paste is obtained (brand name MOLDOSIL V-10). rev / min.
Exemplul 2. Pentru obținerea vaselinei metilsiliconice (MOLDOSIL V-20) se utilizează același mod de lucru ca în exemplul 1, introducându-se în cuva malaxorului 800 g ulei polidimetilsiloxanic de viscozitate 1000 ± 100 cSt și în porțiuni mici, în timpul amestecării, 200 g Si02 de natură pirogenă. Timpul de malaxare în acest caz este de 50 ... 60 min.Example 2. In order to obtain the methylsilicon vaseline (MOLDOSIL V-20), the same method is used as in Example 1, by inserting 800 g of polydimethylsiloxanic oil of 1000 ± 100 cSt in the mixing vessel and in small portions, during mixing, 200 g SiO 2 of a pyrogenic nature. The mixing time in this case is 50 ... 60 min.
Vaselina siliconică care conține sub 10% SiO2 își pierde stabilitatea în timp, iar la un conținut mai mare de 25% Si02 își pierde proprietățile fluid-elastice.Silicone petroleum jelly containing less than 10% SiO 2 loses its stability over time, and at a content greater than 25% Si0 2 loses its fluid-elastic properties.
Vaselina siliconică cu 10 % Si02, obținută prin procedeul descris are următoarele caracteristici :Silicone petroleum jelly with 10% SiO 2 , obtained by the described process has the following characteristics:
- aspect.................... pasta omogenă de culoare albă- appearance .................... homogeneous paste of white color
- densitate................. 1,00 ... 1,20 g/cm3 la 25°C- density ................. 1.00 ... 1.20 g / cm 3 at 25 ° C
- penetrație................ 180 ... 230 zecimi mm.- penetration ................ 180 ... 230 tenths mm.
- punct picurare.......... min. 205°C- drip point .......... min. 205 ° C
- indice aciditate..........4 - 7 mg KOH/g.- acidity index .......... 4 - 7 mg KOH / g.
cenușă......................40 ... 50 g %.ash ...................... 40 ... 50 g%.
Vaselina siliconică cu 20 % Si02 are următoarele caracteristici :Silicone petroleum jelly with 20% Si0 2 has the following characteristics:
- aspect.................... pastă omogenă de culoare albă- appearance .................... homogeneous white paste
- densitate................. 1,00 ... 1.20 g/cm3 la 25°C- density ................. 1.00 ... 1.20 g / cm 3 at 25 ° C
- penetrație................ 150 ... 210 zecimi mm.- penetration ................ 150 ... 210 tenths mm.
- punct picurare.......... min. 220°C- drip point .......... min. 220 ° C
- indice aciditate.......... 4-7 mg KOH/g- acidity index .......... 4-7 mg KOH / g
- cenușă....................40 ... 50 g %.- ash .................... 40 ... 50 g%.
RevendicareClaim
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO9301515A RO111202B (en) | 1993-11-12 | 1993-11-12 | Methylsilicone vaseline preparation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO9301515A RO111202B (en) | 1993-11-12 | 1993-11-12 | Methylsilicone vaseline preparation process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RO111202B true RO111202B (en) | 1996-07-30 |
Family
ID=20099995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO9301515A RO111202B (en) | 1993-11-12 | 1993-11-12 | Methylsilicone vaseline preparation process |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO111202B (en) |
-
1993
- 1993-11-12 RO RO9301515A patent/RO111202B/en unknown
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