| 摘要 |
1283131 N-vinyl pyrrolidone-acrylic monomer tetrapolymers AMERICAN CYANAMID CO 8 June 1970 [29 Sept 1969] 27651/70 Heading C3P [Also in Division C4] A tetrapolymer of 70 to 80% of N- + -butyl- or N-isopropyl acrylamide, 5 to 15% of (meth)- acrylamide, 5 to 15% of N-vinylpyrrolidone and 1 to 10% of (meth)acrylic acid is obtained by conventional polymerization techniques and may be compounded with an alcohol, a neutralizer and a propellant to form a hair spray aerosol. |
