α-olefin-based polymer composition, molded product...

Details α-olefin-based polymer composition, molded product... α-olefin-based polymer composition, molded product...

2005-04-08

2010-12-07

Choi, Ling-Siu (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

Reexamination Certificate

active

07847040

ABSTRACT:
A composition having excellent transparency, flexibility, rubber elasticity, thermal resistance, impact resistance, abrasion resistance and the like, a composition having excellent rigidity and impact resistance as well as excellently balanced in whitening resistance, abrasion resistance and heat sealability, and a composition having excellent rubbery properties, thermal resistance, abrasion resistance and flexibility are provided.A composition comprising a specific propylene•α-olefin copolymer for which, in a signal chart measured by13C-NMR and predetermined such that the peak present at the highest magnetic field among the signals originating from CH (methine) of the constituent unit derived from an α-olefin having 4 to 20 carbon atoms is to be at 34.4 ppm, an absorption intensity A at about 22.0 to 20.9 ppm and an absorption intensity B at about 19.0 to 20.6 ppm satisfy the following relational expressions (i) and (ii) with respect to an absorption intensity C at about 19.0 to 22.0 ppm, which is assignable to propylene methyl:in-line-formulae description="In-line Formulae" end="lead"?(A/C)×100≦8  (i), andin-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?(B/C)×100≧60  (ii),in-line-formulae description="In-line Formulae" end="tail"?a molded product thereof, and the α-olefin-based copolymer are provided.

REFERENCES:
patent: 3758643 (1973-09-01), Fischer
patent: 3862106 (1975-01-01), Fischer
patent: 4130535 (1978-12-01), Coran et al.
patent: 4212787 (1980-07-01), Matsuda et al.
patent: 4247952 (1981-01-01), Shibuya
patent: 4311628 (1982-01-01), Abdou-Sabet et al.
patent: 5910539 (1999-06-01), Matsunaga et al.
patent: 6191219 (2001-02-01), Tanaka et al.
patent: 2006/0247381 (2006-11-01), Mori et al.
patent: 1302827 (2001-07-01), None
patent: 0 936 247 (1999-08-01), None
patent: 1 630 197 (2006-03-01), None
patent: 53-21021 (1978-06-01), None
patent: 54-114887 (1979-09-01), None
patent: 55-18448 (1980-05-01), None
patent: 56-020053 (1981-02-01), None
patent: 56-15741 (1981-04-01), None
patent: 56-15742 (1981-04-01), None
patent: 56-041238 (1981-04-01), None
patent: 58-46138 (1983-10-01), None
patent: 58-56575 (1983-12-01), None
patent: 59-30736 (1984-07-01), None
patent: 61-42626 (1986-09-01), None
patent: 62-938 (1987-01-01), None
patent: 62-59139 (1987-12-01), None
patent: 02-173111 (1990-07-01), None
patent: 2-274763 (1990-11-01), None
patent: 03-070713 (1991-03-01), None
patent: 3-200813 (1991-09-01), None
patent: 03-200813 (1991-09-01), None
patent: 7-149999 (1995-06-01), None
patent: 8-27353 (1996-01-01), None
patent: 8-238733 (1996-09-01), None
patent: 10-300084 (1998-11-01), None
patent: 2000-198893 (2000-07-01), None
patent: 2001-47577 (2001-02-01), None
patent: WO 91/06583 (1991-05-01), None
Coran, A. Y. et al., “Rubber-Thermoplastic Compositions. Part I. EPDM—Polypropylene Thermoplastic Vulcanizates”, Rubber Chemistry and Technology, vol. 53, 1980, pp. 141-150.
European Search Report dated Feb. 23, 2009 based on corresponding European Application No. 05728526.4.
Chinese Office Action mailed Oct. 30, 2009, received in the corresponding Chinese application No. 2005800117743, including its translation.

Affiliated with

Also associated with

Rating

α-olefin-based polymer composition, molded product... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with α-olefin-based polymer composition, molded product..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and α-olefin-based polymer composition, molded product... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4213277