| 摘要 |
<p>1,176,117. Vinyl chloride copolymers. DYNAMIT NOBEL A.G. 4 April, 1968 [7 April, 1967], No. 16347/68. Heading C3P. [Also in Division C7] A plastics body which is to be electroless and electrolytically plated comprises a copolymer of vinyl chloride with from 4 to 20% by weight of fumaric acid diester and/or maleic acid diester. The copolymer may be made by reacting for 20 hours at 55‹ C., 4À2 litres of water, 190 c.c. of a 3% aqueous solution of a cellulose methyl ether, 14À3 g. dilauroyl peroxide, 2À02 kg. vinyl chloride, and 176 g. fumaric acid dicetyl ester.</p> |
