| 摘要 |
<p>1,274,066. Coated products. GAF CORP. 12 June, 1969 [17 June, 1968], No. 29939/69. Heading B2E. [Also in Divisions C2 and C3] Antistatic coatings on natural and synthetic fibres are formed by compounds of formula: wherein R is a C 2-25 alkyl, aryl or alkaryl radical, the alkyl groups containing 2 to 18 carbon atoms, X is chlorine, bromine or fluorine, Y is a hydrogen atom or a methyl or ethyl group, n is 10, R 1 and R 2 are C 1-3 alkyl or C 1-3 hydroxyalkyl groups, R 3 is a C 1-4 hydroxyalkyl group and Z is an anion. Fibres specified are polyesters, acetate rayons, polyamides, polyolefins, acrylic fibres and wool. The coating is applied from methanol/carbon tetrachloride.</p> |
