Patent ID: 9650510
Date: 2017-05-16
CPC Classifications: B32B,C08F,C08J,C08L,Y10T

Claim:
1. A resin blend, comprising: a first resin; and a second resin having a hydrophobic moiety represented by Formula 1 at a main chain and having a difference in surface energy from the first resin at 25° C. of 6 to 20 mN/m and a polydispersity index of 1.9 to 2.3, wherein the second resin is a polymer and the hydrophobic moiety is introduced to the main chain of the second resin using a monomer represented by Formula 2, and wherein the resin blend forms a layer-separated structure during a melt processing performed under a shear stress, wherein the first resin is a styrene-based resin and the second resin is a methyl (meth)acrylate-based resin, and a difference in melt viscosity between the first and the second resins is 325 to 600 pa*s at a shear rate of 100 to 1000 s wherein the hydrophobic moiety represented by Formula 1 is included at 0.01 to 15 parts by weight based on 100 parts by weight of the second resin: wherein R a to R d are each independently an alkyl group having 1 to 16 carbon atoms, n is a number of 1 to 100, and X 1 and X 2 are hydrogen, an alkyl group having 1 to 16 carbon atoms, or a mercapto (—SH) group, but at least one of the X 1 and X 2 is a mercapto group.