Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From silicon reactant having at least one...
Patent
1983-07-29
1985-06-25
Marquis, Melvyn I.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From silicon reactant having at least one...
528 34, 528901, 524860, 524863, C08G 7706
Patent
active
045255652
ABSTRACT:
Provided are single component organopolysiloxane compositions which are hardenable at ambient temperatures and contain as the cross-linking agent silanes with hydrocarbonoyloxy (acyloxy) or ketoniminoxy groups. The compositions further comprise a cross-linking catalyst which is an organic derivative of titanium, e.g., a titanium ester, polytitanoxane, alkanolamine titanate, etc., or an organic derivative of zirconium, e.g., a zirconate, polyzirconate, etc. After cross-linking, the present compositions provide organopolysiloxane elastomers exhibiting good properties.
The organopolysiloxane compositions are referred to as "single component" to contrast them with the two-component organopolysiloxane compositions which are not storage stable and must therefore be handled in two separate packages, which problem is overcome by the present compositions.
REFERENCES:
patent: 3240731 (1966-03-01), Nitzsche et al.
patent: 3409573 (1968-11-01), Guinet et al.
patent: 4273698 (1981-06-01), Smith, Jr. et al.
Laisney Bernard
Letoffe Michel
Perrin Patrice
Ulrich Jean
Marquis Melvyn I.
Rhone-Poulenc Specialites Chimiques
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