Title:
METHOD OF PRODUCING HIGHHVISCOSITY POLYESTER BLEND
Document Type and Number:
Japanese Patent JPS51129452
Kind Code:
A
Abstract:
A novel process is disclosed for preparing a high melt viscosity block co-polyester of at least two different linear polyesters. The process comprises melt blending the polyesters and, thereafter, subjecting the melt blended polyesters to a temperature of 10 DEG -50 DEG C. below the melting point of the lowest melting ingredient in the blend until the melt viscosity has increased to at least 10,000 poises at a temperature 10 DEG -15 DEG C. above the melting point of the blend.
Inventors:
UIREMU FUREDERITSUKU HENDORITS
DONARUDO AABINGU KURAFUTO
MOOTON KURAMAA
DONARUDO AABINGU KURAFUTO
MOOTON KURAMAA
Application Number:
JP3670176A
Publication Date:
November 11, 1976
Filing Date:
April 01, 1976
Export Citation:
Assignee:
GEN ELECTRIC
International Classes:
B29B11/10; B29C49/00; B29C49/04; B29C65/00; C08G63/00; C08G63/181; C08J3/00; C08J3/20; C08L67/00; (IPC1-7): B29D23/03; C08G63/70; C08G81/00; C08J3/00; C08L67/02