polyacrylic
/ˌpɒlɪəˈkrɪlɪk/adjective
Chemistry. Designating compounds which are polymers of acrylic acid, its esters, or its substituted derivatives. Also: designating thermoplastic materials consisting of or made from such polymers.
noun
A polyacrylic fibre; a material made from such fibres.
Origin
1930s (in an earlier sense). From poly- + acrylic.