Resin composition capable of exhibiting high melt viscoelasticit

Details Resin composition capable of exhibiting high melt viscoelasticit Resin composition capable of exhibiting high melt viscoelasticit

1995-08-22

1996-04-16

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521138, 528272, 528300, C08J 900

Patent

active

055083161

ABSTRACT:
There are disclosed a resin composition capable of exhibiting a high melt viscoelasticity comprising 100 parts by weight of an aromatic copolyester resin which contains a branching component unit having at least three ester-forming groups in the ratio of 0.01 to 5 moles per 100 moles in total of aromatic dicarboxylic acid units and which has a limiting viscosity of 0.4 to 1.0 dl/g, and 0.05 to 5 parts by weight of a compound having at least two acid anhydride groups in its molecule, and an aromatic polyester resin foamed body produced therefrom and a process for producing the foamed body.

REFERENCES:
patent: 4772652 (1988-09-01), Yoshifumi et al.
patent: 4906729 (1990-03-01), Greene et al.
patent: 4931538 (1990-06-01), Yoshifumi et al.
patent: 5021545 (1991-06-01), Nakane et al.
patent: 5075417 (1991-12-01), Trowell et al.
patent: 5250333 (1993-10-01), McNeely et al.

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