The polycarbonate resin of the present invention comprises a structural unit derived from a dihydroxy compound represented by a specific formula (1), a structural unit derived from a dihydroxy compound represented by a specific formula (2), and a structural unit derived from a dihydroxy compound represented by any one of specific formulae (3) to (6), wherein the content of structural units derived from dihydroxy compounds represented by the specific formulae (3) to (6) is within a specific range based on the total of structural units derived from dihydroxy compounds in the polycarbonate resin.

Claims

9 · 1 independent · depth 4

9 granted claims

›1.independentA polycarbonate resin comprising:na structural unit derived from a dihydroxy compound represented by the following formula (1),a structural unit deriv…+8

›2.↳ 1The polycarbonate resin according to claim 1, wherein the polycarbonate resin has a glass transition temperature in the range of 125 to 150° C.d2

›3.↳ 1The polycarbonate resin according to claim 1, wherein the polycarbonate resin has a melt viscosity at a temperature of 240Â° C. and a shear rate of 91…d2

›4.↳ 1The polycarbonate resin according to claim 1, wherein the polycarbonate resin has a reduced viscosity in the range of 0.30 to 1.2 dL/g.d2

›5.↳ 1A transparent film obtained by molding the polycarbonate resin according to claim 1.d2+4

Classifications

10 codes

IPC · International Patent Classification

Section B — Performing operations; transporting

B29K69/00
B29D7/01

Section C — Chemistry; metallurgy

C08G64/00
C08G64/16
C08G63/02

Section G — Physics

G02B5/30

USPC · US Patent Classification

528/196428/411.1428/412528/198

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Pendency

1.1 y

392 days filing → grant

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none on record

Examiner

Terressa Boykin

art unit 1765 · TC 1700

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Citations: 13 back · 1 forward

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1 priority documents

›Priority documents — 1

Type	Document	Date
related publication	US 20140073757 A1	13 Mar 2014

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