Electrocatalytic fluoroalkylation of olefins. Nickel-catalyzed polyfluoroalkylation of allylisocyanurates
作者:Yu. B. Dudkina、D. Yu. Mikhailov、T. V. Gryaznova、S. G. Fattakhov、Yu. G. Budnikova、O. G. Sinyashin
DOI:10.1007/s11172-013-0342-4
日期:2013.11
Electrochemical co-reduction of allylisocyanurates and polyfluoroalkyl halides in the presence of nickel complexes with α-diimine ligands results in the addition of the polyfluoroalkyl group to the C=C bond followed by dimerization of the intermediate adducts.
A resin composition and uses of the same are provided. The resin composition includes the following components:
(A) a cross-linking agent of the following formula (I):
(B) a polyphenylene ether resin, wherein the terminal ends of the polyphenylene ether resin are independently modified by a substituent with a carbon-carbon double bond; and
(C) a catalyst,
wherein, R
1
in formula (I) is a C
6
to C
16
alkyl or a C
6
to C
16
alkenyl, and the weight ratio of the polyphenylene ether resin (B) to the cross-linking agent (A) ranges from 0.5 to 5.
Improvement in or relating to aromatic polyamide film
申请人:TEIJIN LIMITED
公开号:EP0091778A2
公开(公告)日:1983-10-19
A process for producing an aromatic polyamide film, which comprises drawing an undrawn aromatic polyamide film biaxially at a draw ratio of at least 1.5 in a solvent mixture consisting of (a) 5% to 75% by weight of a good solvent of the aromatic polyamide and (b) 25% to 95% by weight of a non-solvent of the aromatic polyamide, and heat treating the drawn film, which contains at least 1% by weight, based on the weight of the film, of a good solvent of said aromatic polyamide, at a temperature of not lower than 150°C.
An m-phenyleneisophthalamide polymer film having extremely excellent dimensional stability under moist conditions, which film has a density d of from 1.35 to 1.41 g/cm3 and principal refractive indices nα, nβ and nγ (nα > nβ, > nγ) for D-line of a wavelength of 589 nm satisfying the following formula:
HARDENABLE COMPOSITION, HARDENING PRODUCT, PROCESS FOR PRODUCING THE SAME AND LIGHT EMITTING DIODE SEALED WITH THE HARDENING PRODUCT
申请人:KANEKA CORPORATION
公开号:EP1505121A1
公开(公告)日:2005-02-09
The present invention provides a curable composition providing a curing product having excellent adhesive properties and high transparency, or a curing product having high toughness and transparency.
A curable composition which contains (A) an organic compound containing at least two carbon-carbon double bonds reactive with a SiH group in each molecule, (B) a silicon compound having at least two SiH groups in each molecule, (C) a hydrosilylation catalyst, (D) a silane coupling agent and/or an epoxy group-containing compound, and (E) a silanol condensation catalyst. A light-emitting diode sealed with a curing product obtainable by curing said curable composition.
Thermosetting Resin Composition for Semiconductor Encapsulation and Encapsulated Semiconductor Device
申请人:Shin-Etsu Chemical Co., Ltd.
公开号:EP2615141A2
公开(公告)日:2013-07-17
A thermosetting resin composition for semiconductor encapsulation contains a both end allyl isocyanurate ring-terminated organopolysiloxane polymer as a sole base polymer and an isocyanurate ring-containing organohydrogenpolysiloxane polymer as a sole curing agent or crosslinker. When a semiconductor element array having semiconductor elements mounted on a substrate with an adhesive is encapsulated with the thermosetting resin composition, warp-free semiconductor devices having improved heat resistance and moisture resistance are obtainable.