HUT49617A - Process for producing organis polysiloxanes suitable for the hydrophobic surface treatment of porous surfaces - Google Patents
Process for producing organis polysiloxanes suitable for the hydrophobic surface treatment of porous surfacesInfo
- Publication number
- HUT49617A HUT49617A HU198288A HU198288A HUT49617A HU T49617 A HUT49617 A HU T49617A HU 198288 A HU198288 A HU 198288A HU 198288 A HU198288 A HU 198288A HU T49617 A HUT49617 A HU T49617A
- Authority
- HU
- Hungary
- Prior art keywords
- porous surfaces
- substd
- alkyl
- organis
- producing
- Prior art date
Links
Landscapes
- Silicon Polymers (AREA)
Abstract
Polysiloxanes suitable to render porous surfaces hydrophobic are prepd. using a two component initial reaction mix comprising cpds. of general formula R(a)nSi(OR)pClq - where R(a) = an alkyl, alkylene substd. alkyl, aromatic or substd. aromatic gp. linked via a silicone-carbon bond; R = 1-4C straight or branched chain alkyl gp.; n = 0,1,2 or 3; p and q = 0,1,2,3 or 4 with the restriction that n+p+q = 4 - and cpds. of general formula R(a)nSi(OR)pClq(OX)r - where X = ethyl-, n-propyl, i-propyl gps. substd. by chlorine; n = 0,1 or 2; p and q = 0,1,2, or 3 provided p+q = 0; r = 1 or 2 but n+p+r+q = 4. Reaction occurs in presencee of usual catalysts. The product is applied either directly or in an organic solvent to porous surfaces of surfaces of large specific areas as claddings for buildings, fibres, fibre bundles, and powdery substances.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HU198288A HU203375B (en) | 1988-04-18 | 1988-04-18 | Polysiloxane compositions suitable for hydrophobic surfacetreatment of porous surfaces and process for producing polysiloxanes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HU198288A HU203375B (en) | 1988-04-18 | 1988-04-18 | Polysiloxane compositions suitable for hydrophobic surfacetreatment of porous surfaces and process for producing polysiloxanes |
Publications (2)
Publication Number | Publication Date |
---|---|
HUT49617A true HUT49617A (en) | 1989-10-30 |
HU203375B HU203375B (en) | 1991-07-29 |
Family
ID=10957146
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HU198288A HU203375B (en) | 1988-04-18 | 1988-04-18 | Polysiloxane compositions suitable for hydrophobic surfacetreatment of porous surfaces and process for producing polysiloxanes |
Country Status (1)
Country | Link |
---|---|
HU (1) | HU203375B (en) |
-
1988
- 1988-04-18 HU HU198288A patent/HU203375B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
HU203375B (en) | 1991-07-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
HMM4 | Cancellation of final prot. due to non-payment of fee |