Title:
COLORED POLYETHYLENE TEREPHTHALATE FORMING MATERIAL, PREPARATION AND VESSEL THEREOF
Document Type and Number:
Japanese Patent JPS57165447
Kind Code:
A
Abstract:
Coloured polyethylene terephthalate moulding compound, a process for the preparation thereof and a container made therefrom.
A polyethylene terephthalate moulding composition is disclosed having uniformly dispersed therein 10-25,000 ppm of caramel as a colourant. The colourant is non-toxic, does not affect the transparency of the polyester, and does not cause aldehyde formation. The caramel may have been formed in situ from a mono- or disaccharide which has been added to the bis(beta-hydroxyethyl)terephthalate before or during polycondensation or to the molten polyester. The colour may have been intensified by additional supply of an alkaline reacting compound. The compostion may moreover contain further colourants. The composition if particularly suitable for use in the manufacture of food containers such a boxes, trays and bottles.
Inventors:
MARUSERU ARUNOUTO UERUNAA
ARUNORUTO FUENEMA
MIHIYAERU GUIRAUME FUUBERUTSU
ARUNORUTO FUENEMA
MIHIYAERU GUIRAUME FUUBERUTSU
Application Number:
JP4300982A
Publication Date:
October 12, 1982
Filing Date:
March 19, 1982
Export Citation:
Assignee:
AKZO NV
International Classes:
B29C49/00; B29C49/02; B29C65/00; C08L67/00; B65D1/00; C08L67/02; C09B61/00; (IPC1-7): B29D23/03; B65D1/26; C08K5/16; C08L67/02