Fluorinated epoxide and use thereof
Номер патента: GB1278879A
Опубликовано: 21-06-1972
Автор(ы): Allen Gene Pittman, William Lingel Wasley
Принадлежит: Individual
Опубликовано: 21-06-1972
Автор(ы): Allen Gene Pittman, William Lingel Wasley
Принадлежит: Individual
Реферат: 1278879 Alkylene oxide polymers and copolymers A G PITTMAN and W L WASLAY 3 Dec 1970 [22 Dec 1969] 57559/70 Heading C3R [Also in Divisions C2 and D1] 1,4 - Bis - (heptafluoroisopropoxy) - 2,3- epoxy-butane is polymerized or co-polymerized by heating at 70-100‹ C. in the presence as catalyst of (a) a Lewis acid or (J) a base or basic substance or (c) a triethyl aluminium/cocatalyst system or a diethyl zinc/co-catalyst system wherein the co-catalyst is an alcohol, a ketone or water. Comonomers specified are ethylene oxide, propylene oxide, butylene oxide, epichlorohydrin, styrene oxide, glycidyl acrylate, allyl glycidyl ether and heptafluoroisopropyl glycidyl ether. Solutions or emulsions of the products are used to render fibres oilrepellent.
Solution of polyurethane-ureas and using thereof for application of coatings on substrates
Номер патента: RU2515955C2. Автор: Юрген КЕХЕР,Торстен РИШЕ,Томас ФЕЛЛЕР,Хольгер КАССЕЛЬМАНН,Юрген УРБАН. Владелец: Байер Матириальсайенс Аг. Дата публикации: 2014-05-20.