Title:
POLYBUTYLENE TEREPHTHALATE RESIN COMPOSITION AND DOUBLE-MOLDED ARTICLE
Document Type and Number:
WIPO Patent Application WO/2020/116629
Kind Code:
A1
Abstract:
[Problem] To provide: a polybutylene terephthalate resin composition that can be used to form a molded product having excellent alkali resistance, and in addition, excellent bonding strength in a double-molded article with a polycarbonate resin molded article; and a double-molded article firmly bonded to a polycarbonate resin molded article using the resin composition. [Solution] This polybutylene terephthalate resin composition is for double-molding with respect to a molded article of a polycarbonate resin composition, and contains (A) 100 parts by mass of a polybutylene terephthalate resin, (B) 35-65 parts by mass of a polycarbonate resin having a melt viscosity of 0.40 kPa·s or less at 300°C, (C) 10-30 parts by mass of an olefin elastomer, (D) 1-3 parts by mass of a silicone compound having a kinematic viscosity of 1000-10000 cSt at 25°C, (E) 30-80 parts by mass of a filler, and (F) 1-5 parts by mass of an epoxy compound.
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Inventors:
SAKATA KOUICHI (JP)
Application Number:
PCT/JP2019/047874
Publication Date:
June 11, 2020
Filing Date:
December 06, 2019
Export Citation:
Assignee:
POLYPLASTICS CO (JP)
International Classes:
B29C45/14; C08K7/04; C08L23/08; C08L63/00; C08L67/02; C08L69/00; C08L83/04
Domestic Patent References:
| WO2011021721A1 | 2011-02-24 | |||
| WO2012165148A1 | 2012-12-06 | |||
| WO2020022208A1 | 2020-01-30 |
Foreign References:
| JP2005044130A | 2005-02-17 | |||
| JP2005178061A | 2005-07-07 | |||
| JP2017094708A | 2017-06-01 | |||
| JP2002356611A | 2002-12-13 | |||
| JP2000007902A | 2000-01-11 | |||
| JP2001049093A | 2001-02-20 | |||
| JP2018062554A | 2018-04-19 |
Attorney, Agent or Firm:
SONODA & KOBAYASHI INTELLECTUAL PROPERTY LAW (JP)
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