Patents

Description

COMPOZITIE PE BAZA DE COPOLIMERI STATISTICI AI PROPILENEI, PROCEDEU DE OBTINERE SI FOLII STRATIFICATE SUDABILE LA CALD

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Publication info:

No.: RO118079

Date: 30.01.2003

Inventor(s):

MIKIELSKI RAYMOND [BE]

WILKIN MATHIEU [BE]

DEBLAUWE VEERLE [BE]

Applicant(s):
SOLVAY [BE]
Classification:
International patent classification (IPC):
B32B27/32; B65D1/00; C08F297/08; C08J5/18; C08L23/00; C08L23/12; C08L23/14; C09J123/14
Cooperative patent classification (CPC):
B32B27/00 (KR); B32B27/08 (US); B32B27/32 (EP, US); C08J5/18 (KR); C08L23/14 (KR); C08L23/142 (EP, US); C08L23/16 (KR); C09J123/142 (EP, US); B32B2307/514 (US); B32B2307/704 (US); B32B2307/718 (US); C08L2205/02 (EP, US); C08L23/14 (EP, US); C08L2666/04 (EP, US); Y10T428/31913 (EP, US); C08L23/142; C08L2666/06; C09J123/142; C08L2666/04
Application info:
No.: RO19960002449
Date: 20.12.1996
Priority number(s):
BE19950001068 22.12.1995
Related patents:
AR020174; ATE191229; BE1009963; BG101059; BG62938; BR9606074; CA2193524; CN1123596; CN1161352; DE69607447; EG20875; EP0780432; ES2146834; HU220096; HU9603588; JP3768312; JPH09188789; KR100455849; KR970042769; NO314087; NO965527; PL317597; SK164896; SK282881; US5948547; ZA9610434
Description:

Inventia se refera la o compozitie pe baza de copolimeri statistici ai propilenei, la un procedeu de obtinere a acesteia si la folii stratificate, sudabile la cald. Compozitia conform inventiei este constituita din 68...80% in greutate copolimer (A) al propilenei, care contine 12...20% in greutate unitati derivate de la 1-butena si pana la 2% in greutate unitati derivate de la etilena si 32...25%in greutate copolimer statistic (B) al propilenei care contine pana la 15% unitati derivate de la 1-butena si 1...8% in greutate unitati derivate de la etilena, compozitia celor doi copolimeri (A) si(B) fiind diferita. Foliile stratificate, sudabile la cald, realizate prin procedeul conform inventiei, constau dintr-un strat de baza compus, in principal, dintr-un polimer cristalin al propilenei, care este lipit, laminat, coextrudat cu cel putin un strat de sudura, compus, in principal, dintr-o compozitie conform inventiei si, optional, orientat prin tragere.

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