C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 9/00 (2006.01) B29B 9/00 (2006.01) B29C 44/34 (2006.01) C08J 9/12 (2006.01)
Patent
CA 2447713
The present invention relates to a pellet-type non-crosslinked polypropylene foam having a melting point of 125 to 140.ordm.C, and a process and device for producing said foam. Since the pellet-type foams of non-crosslinked polypropylene of the present invention has a lower melting point and a closed cell content of 80% or more, it is advantageous to mold such foams. The present invention also relates to an article molded from the above pellet-type non-crosslinked polypropylene.foams.
La présente invention concerne une mousse de polypropylène non réticulé sous forme de pastille présentant un point de fusion de 125 à 140 DEG C, et un procédé et un dispositif de production de ladite mousse. Etant donné que les mousses de polypropylène non réticulé sous forme de pastilles de la présente invention présentent un point de fusion inférieur et un contenu de cellules fermées de 80 % ou plus, il est préférable de mouler lesdites mousses. La présente invention concerne également un article moulé obtenu à partir des mousses de polypropylène non réticulé sous forme de pastilles mentionnées ci-dessus.
Kim Jea-Myung
Lee Chul
Lee Hee-Sung
Lee Ryeong
A. San Chemicals Co. Ltd.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
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