Patent classifications
C08G64/26
Bischloroformate composition, bischloroformate composition production method, bischloroformate composition-containing solution, polycarbonate resin, polycarbonate resin production method, coating liquid, electrophotographic photoreceptor, and electrophotographic device
A bischloroformate composition is represented by a formula (1) below, contains a plurality of Ar components, and has an average number of monomer units (m1), which is calculated by an expression (Numerical Expression 1) below, ranging from 1.0 to 1.99. The plurality of Ar components are each independently Ar.sub.1 or Ar.sub.2. The plurality of Ar components include at least one Ar.sub.1 and at least one Ar.sub.2. Ar.sub.1 is a group represented by a formula (2) below. Ar.sub.2 is a group represented by a formula (3) below. A molar composition ratio represented by Ar.sub.1/(Ar.sub.1+Ar.sub.2) ranges from 45 mol % to 99 mol %. ##STR00001## average number of monomer units (m1)=1+(Mav−M1)/M2 (Numerical Expression 1)
Bischloroformate composition, bischloroformate composition production method, bischloroformate composition-containing solution, polycarbonate resin, polycarbonate resin production method, coating liquid, electrophotographic photoreceptor, and electrophotographic device
A bischloroformate composition is represented by a formula (1) below, contains a plurality of Ar components, and has an average number of monomer units (m1), which is calculated by an expression (Numerical Expression 1) below, ranging from 1.0 to 1.99. The plurality of Ar components are each independently Ar.sub.1 or Ar.sub.2. The plurality of Ar components include at least one Ar.sub.1 and at least one Ar.sub.2. Ar.sub.1 is a group represented by a formula (2) below. Ar.sub.2 is a group represented by a formula (3) below. A molar composition ratio represented by Ar.sub.1/(Ar.sub.1+Ar.sub.2) ranges from 45 mol % to 99 mol %. ##STR00001## average number of monomer units (m1)=1+(Mav−M1)/M2 (Numerical Expression 1)
Astaxanthin based polymer and uses thereof
Provided are polymers having a repeating unit including at least one astaxanthin moiety. Also provided are processes for preparing the polymers and various uses thereof.
BISCHLOROFORMATE COMPOSITION, BISCHLOROFORMATE COMPOSITION PRODUCTION METHOD, BISCHLOROFORMATE COMPOSITION-CONTAINING SOLUTION, POLYCARBONATE RESIN, POLYCARBONATE RESIN PRODUCTION METHOD, COATING LIQUID, ELECTROPHOTOGRAPHIC PHOTORECEPTOR, AND ELECTROPHOTOGRAPHIC DEVICE
A bischloroformate composition is represented by a formula (1) below, contains a plurality of Ar components, and has an average number of monomer units (m1), which is calculated by an expression (Numerical Expression 1) below, ranging from 1.0 to 1.99. The plurality of Ar components are each independently Ar.sub.1 or Ar.sub.2. The plurality of Ar components include at least one Ar.sub.1 and at least one Ar.sub.2. Ar.sub.1 is a group represented by a formula (2) below. Ar.sub.2 is a group represented by a formula (3) below. A molar composition ratio represented by Ar.sub.1/(Ar.sub.1+Ar.sub.2) ranges from 45 mol % to 99 mol %.
##STR00001## average number of monomer units (m1)=1+(MavM1)/M2 (Numerical Expression 1)