公开(公告)号：BRPI1001355A2

公开(公告)日：2011-06-28

申请号：BRPI1001355

申请日：2010-04-30

Applicant: ARMACELL ENTERPRISE GMBH

Inventor： LI JIE ,  GROTER HORST ,  MELLER MIKA

IPC: B29C44/50 ,  C08J9/00

Abstract: The composition and the preparation of a chain-extending concentrate for production of foamed cellular materials of aromatic polyesters is disclosed in this invention. The chain-extending concentrate is comprised of an ethylene-acrylate copolymer, a high-temperature thermoplastic and a multifunctional compound. The preparation process consists of two steps: 1) Mixing and melt blending the multifunctional compound and the HT thermoplastic resin into the matrix of the ethylene-acrylate copolymer in an internal mixer and 2) extrusion of the mixture at a temperature below the melting point or reaction temperature of the multifunctional compound.

公开(公告)号：BRPI1002277A2

公开(公告)日：2012-02-07

申请号：BRPI1002277

申请日：2010-06-02

Applicant: ARMACELL ENTERPRISE GMBH

Inventor： LI JIE ,  GROTER HORST

IPC: C08L67/02 ,  C08J9/04 ,  C08K5/03

公开(公告)号：BRPI0805637A2

公开(公告)日：2009-09-15

申请号：BRPI0805637

申请日：2008-12-18

Applicant: ARMACELL ENTERPRISE GMBH

Inventor： LI JIE ,  GROTER HORST ,  MELLER MIKA

IPC: C08G63/183 ,  C08G64/02 ,  C08G101/00

Abstract: The present invention relates to high-temperature resistant, rigid, but flexible and low density foamed cellular material comprised of polyester blend consisting of from about 80 to about 98 weight percent of high viscosity polyethylene terephthalate (I.V.=1.0-1.9 dl/g) and from about 2 to about 20, preferably to about 5, weight percent of polycarbonate with average MW higher than 4000 g/mol.