Abstract:
The present invention relates to room-temperature curable silicone compositions possessing rapid deep-section cure. The silicone sealant compositions of the present invention find application in insulating glass units as elements of windows, skylights, doors and related products.
Abstract:
The invention relates to architectural elements possessing at least two components bonded together employing a silicone rubber composition possessing rapid development of strength and deep-section cure, which is useful for application as a bedding sealant in the manufacture of such architectural elements as window assemblies, door assemblies, structural glazing, curtainwall applications, and the like.
Abstract:
The invention relates to architectural elements possessing at least two components bonded together employing a silicone rubber composition possessing rapid development of strength and deep-section cure, which is useful for application as a bedding sealant in the manufacture of such architectural elements as window assemblies, door assemblies, structural glazing, curtainwall applications, and the like.
Abstract:
The present invention provides for a room temperature cured silicone thermoplastic resin sealant composition with reduced gas permeability useful in the manufacture of glazing such as windows and doors.
Abstract:
The invention relates to a metallocene complex according to formula (1) M is a metal selected from lanthanides or transition metals from group 3, 4, 5 or 6 of the Periodic System of the Elements, Q is an anionic ligand to M, k is the number of Q groups and equals the valence of M minus 2, X is a cyclic bridging group that is bonded to a carbon atom of the cyclopentadienyl ligand and to nitrogen, Z 1 and Z 4 are identical or different and can be chosen from hydrogen or a hydrocarbon radical with 1-20 carbon atoms; Z 2 and Z 3 are connected to form an indenyl or tetrahydroindenyl ring system and R is chosen from hydrogen or a hydrocarbon radical with 1-20 carbon atoms. Also claimed are compositions comprising the metallocene complex, a process for the preparation, a process for the polymerization of olefin polymers in the presence of the metallocene complex. A more specific embodiment of the above Markush formula is formula (5).
Abstract:
Disclosed herein is a composition comprising a structure (M 1 ) a (M E ) b ,(D 1 ) c (D 2 )d(T) e (Q) f , wherein M 1 = R 1 R 2 R 3 SiO 1/2 ; M E = R 4 R 5 R E SiO 1/2; D 1 = R 6 R 7 SiO 2/2 ; D 2 = R 8 R 9 SiO 2/2 ; T = R 10 SiO 3/2 ; and Q = SiO 4/2 ; wherein each R E is independently a monovalent hydrocarbon radical containing an epoxy group; R 9 comprises a structure -L 1 - Si(R 11 )g (OR 12 ) 3-g or L 2 (D 3 ) h (M 2 ) j -L 3 -Si(R 13 ) g (OR 14 ) 3-g wherein L 1 , L 2 , and L 3 are independently divalent linking groups; g and g' independently have a value from O to 2; M 2 = R 15 R 16 R 17 SiO 1/2 ; D 3 = R 18 R 19 SiO 2/2 ; wherein R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 10 , R 1 1 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 , and R 19 are independently monovalent hydrocarbon radicals; wherein a, b, c, d, e, f, h, and i are stoichiometric subscripts that are zero or positive subject to the following limitations: b has a value of 2; d is greater than or equal to 1; when (a + c + e + f) is equal to zero, (b + d) is greater than or equal to 3; and when i = O, h is at least 1.
Abstract:
The present invention relates to room-temperature curable silicone compositions possessing rapid deep-section cure. The silicone sealant compositions of the present invention find application in insulating glass units as elements of windows, skylights, doors and related products.
Abstract:
The invention relates to a metallocene complex according to formula (1) wherein M is a metal selected from lanthanides or transition metals from group 3, 4, 5 or 6 of the Periodic System of the Elements, Q is an anionic ligand to M, k is the number of Q groups and equals the valence of M minus 2, Z 1 , Z 2 , Z 3 and Z 4 are identical or different and can be chosen from the group consisting of hydrogen and a hydrocarbon radical with 1-20 carbon atoms, and adjacent substituents Z can form a ring system together with the carbon atoms of the Cp ring to which they are bound.