IT1081826B - Anaerobic-curing (meth)acrylate contg. polysiloxane sealing compsn. - for bonding small vols. between mating surfaces e.g. on threaded nut and bolt - Google Patents
Anaerobic-curing (meth)acrylate contg. polysiloxane sealing compsn. - for bonding small vols. between mating surfaces e.g. on threaded nut and boltInfo
- Publication number
- IT1081826B IT1081826B IT2447377A IT2447377A IT1081826B IT 1081826 B IT1081826 B IT 1081826B IT 2447377 A IT2447377 A IT 2447377A IT 2447377 A IT2447377 A IT 2447377A IT 1081826 B IT1081826 B IT 1081826B
- Authority
- IT
- Italy
- Prior art keywords
- vols
- compsn
- curing
- bolt
- anaerobic
- Prior art date
Links
Abstract
An anaerobically curing compsn. comprises: (a) polyorganosiloxane, soluble in common solvents, consisting of >=2 siloxane units of formula CH2=C(R)COOR1 Si O-x/2 and residual siloxane units of formula R'y SiO4-y/2 (II); (b) hydroperoxy polymerisation initiator and (c) storage stabiliser; the compsn. remaining uncured in presence of O2 at room temp. R is H, or CH3, R' is a gp. free of aliphatic unsatn selected from (halo) hydrocarbons, R1 is 1-4C alkylene, x is 1-4 and y is 0-3 (a) has degree of functionality of 2.2-5.0, pref. 2.2-4.0. The compsns. have thermal stability, long term shelf stability in presence of oxygen and are readily anaerobically. They are used to seal small vols. between >=2 meeting surfaces and may be applied to the threads of a steel bolt and/or nut. Other surfaces to be sealed include an activating surface of an active metal and an inactive material such as of glass, Cd, Ti and Zn.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2447377A IT1081826B (en) | 1977-06-08 | 1977-06-08 | Anaerobic-curing (meth)acrylate contg. polysiloxane sealing compsn. - for bonding small vols. between mating surfaces e.g. on threaded nut and bolt |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2447377A IT1081826B (en) | 1977-06-08 | 1977-06-08 | Anaerobic-curing (meth)acrylate contg. polysiloxane sealing compsn. - for bonding small vols. between mating surfaces e.g. on threaded nut and bolt |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1081826B true IT1081826B (en) | 1985-05-21 |
Family
ID=11213662
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2447377A IT1081826B (en) | 1977-06-08 | 1977-06-08 | Anaerobic-curing (meth)acrylate contg. polysiloxane sealing compsn. - for bonding small vols. between mating surfaces e.g. on threaded nut and bolt |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1081826B (en) |
-
1977
- 1977-06-08 IT IT2447377A patent/IT1081826B/en active
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