POLYCARBONATE RESIN COMPOSITION, AND MOLDED PRODUCT THEREOF

WIPO Patent Application WO/2021/039895

A1

The present invention addresses the problem of providing: a PC resin composition which has excellent impact resistance, transparency, and weather resistance, and from which a PC resin alloy that can be paintless can be produced; and a molded product produced by using the PC resin composition. This polycarbonate resin composition contains a polycarbonate resin (A) and a styrene-based resin (B) including no butadiene, wherein the content of the styrene resin (B) including no butadiene is 20-70 parts by mass, with respect to 100 parts by mass of the polycarbonate resin (A), and the following conditions (1)-(3) are satisfied. (1) The notched Charpy value is least 70 kJ/m2, as measured according to the ISO179 standard, by using a test piece which has a thickness of 4.0 mm and is produced from the polycarbonate resin composition according to the same standards. (2) The critical vertical force is at least 8.0 N, as measured according to ISO19252 standards, by using a test piece produced from the polycarbonate resin according to ISO3167 (Type A1) standards. (3) The L* value is at most 40, as measured according to JIS-K-7105-1 standards, by using a test piece having a thickness of 4.0 mm and composed of the polycarbonate produced according to ISO tensile test standards.

MAEDA HITOMI (JP)

PCT/JP2020/032330

March 04, 2021

August 27, 2020

Click for automatic bibliography generation  

MITSUBISHI ENG PLASTICS CORP (JP)

C08L25/04; C08L53/00; C08L69/00

WO2018180493A1	2018-10-04
WO2017078273A1	2017-05-11

JP2012214734A	2012-11-08
JP2017171810A	2017-09-28
JP2013112781A	2013-06-10
JP2011256305A	2011-12-22
JP2016000771A	2016-01-07
JP2000154329A	2000-06-06
CN104910340A	2015-09-16
JP2015078284A	2015-04-23
JP2013147651A	2013-08-01

See also references of EP 4023715A4

IP FIRM SHUWA (JP)

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