| abstract |
Oligomer of formula: where: Ri = H or CH 3 , R 2 = CtH2t with O ≦ t ≦ 18, Z is chosen from with 2 ≦ d ≦ 16, m is an integer such as 1 ≦ m ≦ 3, R 3 C t ' H 2t' + 1 with t '≧ 1 and 8 ≦ t + t' + 2m ≦ 22, n and n 'are whole numbers, identical or different, such that 2 ≦ n + n' ≦ 20, b is an integer equal to 0 or 1, a is an integer varying between 2 and 500.n n n The oligomer is obtained by polymerization of a monomer resulting from the condensation or from the addition of a polyethoxylated fatty amine or of a mixture of polyethoxylated fatty amines on an acrylic unsaturated monomer. The oligomer can be used as an anti-fog in thermoplastic polymer films. |