公开(公告)号：US20180305535A1

公开(公告)日：2018-10-25

申请号：US16016136

申请日：2018-06-22

Applicant: Kaneka Corporation

Inventor： Takashi Matsumoto ,  Yutaka Kaneda ,  Yoshimi Yoneda ,  Masaki Amano

IPC: C08L23/14 ,  B29C45/00

CPC classification number: C08L23/14 ,  B29C45/0001 ,  B29K2023/12 ,  B29K2105/0094 ,  C08L23/10 ,  C08L2205/02

Abstract: Provided is an injection molded body of a polypropylene resin composition, which has excellent fluidity and burr prevention performance. The polypropylene resin composition contains a conjugated diene-modified polypropylene resin (A) that has a melt flow rate of 1-150 g/10 min as measured at 230° C. under a load of 2.16 kg and a polypropylene resin (B) that has a melt flow rate of 7-100 g/10 min as measured at 230° C. under a load of 2.16 kg. Relative to 100 parts by weight of the total of the components (A) and (B), the content of the component (A) is 0.1-50 parts by weight and the content of the component (B) is 99.9-50 parts by weight. The polypropylene resin composition has a melt flow rate of 10-80 g/10 min as measured under the above-described conditions, while having a melt tension of 0.7-30 gf as measured at 200° C. at 10 m/min.

公开(公告)号：US10000631B2

公开(公告)日：2018-06-19

申请号：US15292876

申请日：2016-10-13

Applicant: Kaneka Corporation

Inventor： Masaki Amano

IPC: C08L23/12 ,  C08L51/06 ,  C08J5/18 ,  C08F255/02

CPC classification number: C08L23/12 ,  C08F255/02 ,  C08J5/18 ,  C08J2323/12 ,  C08J2323/14 ,  C08J2423/26 ,  C08L51/06 ,  C08L2203/30 ,  C08L2205/02 ,  C08F236/08

Abstract: A polypropylene resin sheet which shows sufficiently reduced drawdown with excellent melt elongation and further has good heat resistance and good appearance. The polypropylene resin sheet may be formed from a polypropylene resin composition, the polypropylene resin composition containing: 60% to 97% by weight of a first polypropylene resin having a melt flow rate range of 0.1 to 10 g/10 min, and 3% to 40% by weight of a modified polypropylene resin having a elongational viscosity ratio to the first polypropylene resin of at least 1.5, at a strain of 3, obtained by melt kneading a second polypropylene resin, a conjugated diene compound, and a radical polymerization initiator.

公开(公告)号：US20170029611A1

公开(公告)日：2017-02-02

申请号：US15292876

申请日：2016-10-13

Applicant: Kaneka Corporation

Inventor： Masaki Amano

IPC: C08L23/12 ,  C08J5/18

CPC classification number: C08L23/12 ,  C08F255/02 ,  C08J5/18 ,  C08J2323/12 ,  C08J2423/26 ,  C08L51/06 ,  C08L2203/30 ,  C08L2205/02 ,  C08F236/08

Abstract: A polypropylene resin sheet which shows sufficiently reduced drawdown with excellent melt elongation and further has good heat resistance and good appearance. The polypropylene resin sheet may be formed from a polypropylene resin composition, the polypropylene resin composition containing: 60% to 97% by weight of a first polypropylene resin having a melt flow rate range of 0.1 to 10 g/10 min, and 3% to 40% by weight of a modified polypropylene resin having a elongational viscosity ratio to the first polypropylene resin of at least 1.5, at a strain of 3, obtained by melt kneading a second polypropylene resin, a conjugated diene compound, and a radical polymerization initiator.

Abstract translation: 一种聚丙烯树脂片，其显示出充分降低的降低，具有优异的熔体伸长率，并且还具有良好的耐热性和良好的外观。 聚丙烯树脂片可以由聚丙烯树脂组合物形成，该聚丙烯树脂组合物含有60〜97重量％的熔体流动速率范围为0.1〜10g / 10分钟的第一聚丙烯树脂，3重量％ 40重量％的通过熔融捏合第二聚丙烯树脂，共轭二烯化合物和自由基聚合引发剂得到的具有至少1.5的拉伸粘度比的改性聚丙烯树脂，其变形率为3。