MY140898A - Expandable polypropylene resin particle and molded object obtained therefrom by in-mold molding - Google Patents

Expandable polypropylene resin particle and molded object obtained therefrom by in-mold molding

Info

Publication number
MY140898A
MY140898A MYPI20031767A MY140898A MY 140898 A MY140898 A MY 140898A MY PI20031767 A MYPI20031767 A MY PI20031767A MY 140898 A MY140898 A MY 140898A
Authority
MY
Malaysia
Prior art keywords
propylene
particles
polypropylene resin
resin particle
molded object
Prior art date
Application number
Inventor
Toru Wada
Original Assignee
Jsp Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jsp Corp filed Critical Jsp Corp
Publication of MY140898A publication Critical patent/MY140898A/en

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  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

[PROBLEM] TO PROVIDE PROPYLENE BASED RESIN EXPANDED PARTICLES AND A MOLDED ARTICLE, THE PARTICLES HAVING SIGNIFICANTLY UNIFORM FOAM DIAMETERS, THE PARTICLES BEING CAPABLE OF OBTAINING THE MOLDED ARTICLE WITH ITS EXCELLENT SURFACE APPEARANCE AND MECHANICAL PROPERTIES. [MEANS FOR SOLVING THE PROBLEM] A SPECIFIC RELATIONSHIP MUST BE MET IN CASE OF: (A) A STRUCTURAL UNIT DERIVED FROM PROPYLENE IS PRESENT IN 100 TO 85 MOLE %, AND A STRUCTURAL UNIT DERIVED FROM ETHYLENE AND/OR ALPHA-OLEFIN WITH 4 TO 20 CARBONS IS PRESENT IN 0 TO 15 MOLE %; (B) A CONTENT OF A POSITION IRREGULARITY UNIT BASED ON 2, 1-INSERTION OF A PROPYLENE MONOMER UNIT IN ALL PROPYLENE INSERTIONS, MEASURED BY 13C-NMR IS 0.5% TO 2.0% AND A CONTENT OF A POSITION IRREGULARITY UNIT BASED ON 1,3-INSERTION OF PROPYLENE MONOMER UNIT IS 0.005% TO 0.4%; AND (C) A WATER VAPOR TRANSMISSION RATE IS Y [G/M2/24 HR] AS FILM AND A MELTING POINT TM[OC] SHOWS SPECIFIC RELATIONSHIP.
MYPI20031767 2002-05-13 2003-05-12 Expandable polypropylene resin particle and molded object obtained therefrom by in-mold molding MY140898A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002137536A JP2003327740A (en) 2002-05-13 2002-05-13 Expanded polypropylene resin particles and in-mold molded article using the same

Publications (1)

Publication Number Publication Date
MY140898A true MY140898A (en) 2010-01-29

Family

ID=29699262

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI20031767 MY140898A (en) 2002-05-13 2003-05-12 Expandable polypropylene resin particle and molded object obtained therefrom by in-mold molding

Country Status (2)

Country Link
JP (1) JP2003327740A (en)
MY (1) MY140898A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4499394B2 (en) * 2002-09-30 2010-07-07 株式会社ジェイエスピー Polypropylene resin expanded particles and in-mold molded body using the same
JP2005178839A (en) * 2003-12-19 2005-07-07 Sharp Corp Substrate storage tray
JP2005298769A (en) * 2004-04-16 2005-10-27 Kaneka Corp Polypropylene resin pre-expanded particles, and in-mold foam moldings
JP5107692B2 (en) 2007-12-17 2012-12-26 株式会社ジェイエスピー Polypropylene-based resin foamed particles and molded article of the foamed particles

Also Published As

Publication number Publication date
JP2003327740A (en) 2003-11-19

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