Carrier for electrophotography and two-component developer

A carrier for electrophotographic developer, comprising:

• a core material;
• and
• a layer comprising a hinder resin, located overlying the core material,
• wherein the binder resin comprises:
• a segment (A) comprising one or more polymerizable vinyl monomers as a structural unit;
• and
• a segment (B) comprising at least one of partially cleaved polyhedral oligomeric silsesquioxane having the following formula (1) and a partially cleaved polyhedral oligomeric silsesquioxane having the following formula (2) as a structural unit:
• (RSiO1.5)n (1)
• wherein n represents an integer not less than 4;
• and a substituent R represents a hydrogen atom, a halogen atom, an alkoxy group or an aryloxy group having 1 to 10 carbon atoms, a saturated hydrocarbon group having 1 to 20 carbon atoms, an alkenyl group having 2 to 20 carbon atoms, an aralkyl group having 6 to 20 carbon atoms, an aryl group having 7 to 20 carbon atoms, a hydroxyalkyl group having 1 to 20 carbon atoms, a silicon-containing group having 1 to 10 silicon atoms or their substituted groups;
• and
• (R1SiO1.5)n(R2SiO2H)m (2)
• wherein n and m independently represent an integer not less than 2;
• and R1 and R2 independently represent a hydrogen atom, a halogen atom, an alkoxy group or an aryloxy group having 1 to 10 carbon atoms, a saturated hydrocarbon group having 1 to 20 carbon atoms, an alkenyl group having 2 to 20 carbon atoms, an aralkyl group having 6 to 20 carbon atoms, an aryl group having 7 to 20 carbon atoms, a hydroxyalkyl group having 1 to 20 carbon atoms, a silicon-containing group having 1 to 10 silicon atoms or their substituted groups.